diff options
Diffstat (limited to 'arch/arm/plat-omap')
107 files changed, 1443 insertions, 22217 deletions
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index b6333ae3f92..02fc10d2d63 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -5,25 +5,6 @@ menu "TI OMAP Common Features" config ARCH_OMAP_OTG bool -choice - prompt "OMAP System Type" - default ARCH_OMAP2PLUS - -config ARCH_OMAP1 - bool "TI OMAP1" - select CLKDEV_LOOKUP - help - "Systems based on omap7xx, omap15xx or omap16xx" - -config ARCH_OMAP2PLUS - bool "TI OMAP2/3/4" - select CLKDEV_LOOKUP - select OMAP_DM_TIMER - help - "Systems based on OMAP2, OMAP3 or OMAP4" - -endchoice - comment "OMAP Feature Selections" config OMAP_DEBUG_DEVICES @@ -32,35 +13,35 @@ config OMAP_DEBUG_DEVICES For debug cards on TI reference boards. config OMAP_DEBUG_LEDS - bool + def_bool y if NEW_LEDS depends on OMAP_DEBUG_DEVICES - default y if LEDS_CLASS + select LEDS_CLASS -config OMAP_SMARTREFLEX - bool "SmartReflex support" - depends on (ARCH_OMAP3 || ARCH_OMAP4) && PM +config POWER_AVS_OMAP + bool "AVS(Adaptive Voltage Scaling) support for OMAP IP versions 1&2" + depends on POWER_AVS && (ARCH_OMAP3 || ARCH_OMAP4) && PM + select POWER_SUPPLY help - Say Y if you want to enable SmartReflex. - - SmartReflex can perform continuous dynamic voltage - scaling around the nominal operating point voltage - according to silicon characteristics and operating - conditions. Enabling SmartReflex reduces power - consumption. + Say Y to enable AVS(Adaptive Voltage Scaling) + support on OMAP containing the version 1 or + version 2 of the SmartReflex IP. + V1 is the 65nm version used in OMAP3430. + V2 is the update for the 45nm version of the IP used in OMAP3630 + and OMAP4430 Please note, that by default SmartReflex is only - initialized. To enable the automatic voltage - compensation for vdd mpu and vdd core from user space, + initialized and not enabled. To enable the automatic voltage + compensation for vdd mpu and vdd core from user space, user must write 1 to - /debug/voltage/vdd_<X>/smartreflex/autocomp, - where X is mpu or core for OMAP3. - Optionallly autocompensation can be enabled in the kernel + /debug/smartreflex/sr_<X>/autocomp, + where X is mpu_iva or core for OMAP3. + Optionally autocompensation can be enabled in the kernel by default during system init via the enable_on_init flag which an be passed as platform data to the smartreflex driver. -config OMAP_SMARTREFLEX_CLASS3 +config POWER_AVS_OMAP_CLASS3 bool "Class 3 mode of Smartreflex Implementation" - depends on OMAP_SMARTREFLEX && TWL4030_CORE + depends on POWER_AVS_OMAP && TWL4030_CORE help Say Y to enable Class 3 implementation of Smartreflex @@ -105,45 +86,6 @@ config OMAP_MUX_WARNINGS to change the pin multiplexing setup. When there are no warnings printed, it's safe to deselect OMAP_MUX for your product. -config OMAP_MCBSP - bool "McBSP support" - depends on ARCH_OMAP - default y - help - Say Y here if you want support for the OMAP Multichannel - Buffered Serial Port. - -config OMAP_MBOX_FWK - tristate "Mailbox framework support" - depends on ARCH_OMAP - help - Say Y here if you want to use OMAP Mailbox framework support for - DSP, IVA1.0 and IVA2 in OMAP1/2/3. - -config OMAP_MBOX_KFIFO_SIZE - int "Mailbox kfifo default buffer size (bytes)" - depends on OMAP_MBOX_FWK - default 256 - help - Specify the default size of mailbox's kfifo buffers (bytes). - This can also be changed at runtime (via the mbox_kfifo_size - module parameter). - -config OMAP_IOMMU - tristate - -config OMAP_IOMMU_DEBUG - tristate "Export OMAP IOMMU internals in DebugFS" - depends on OMAP_IOMMU && DEBUG_FS - help - Select this to see extensive information about - the internal state of OMAP IOMMU in debugfs. - - Say N unless you know you need this. - -config OMAP_IOMMU_IVA2 - bool - config OMAP_MPU_TIMER bool "Use mpu timer" depends on ARCH_OMAP1 @@ -161,7 +103,13 @@ config OMAP_32K_TIMER This timer saves power compared to the OMAP_MPU_TIMER, and has support for no tick during idle. The 32KHz timer provides less intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is - currently only available for OMAP16XX, 24XX, 34XX and OMAP4. + currently only available for OMAP16XX, 24XX, 34XX, OMAP4/5 and DRA7XX. + + On OMAP2PLUS this value is only used for CONFIG_HZ and + CLOCK_TICK_RATE compile time calculation. + The actual timer selection is done in the board file + through the (DT_)MACHINE_START structure. + config OMAP3_L2_AUX_SECURE_SAVE_RESTORE bool "OMAP3 HS/EMU save and restore for L2 AUX control register" @@ -180,15 +128,6 @@ config OMAP3_L2_AUX_SECURE_SERVICE_SET_ID help PPA routine service ID for setting L2 auxiliary control register. -config OMAP_32K_TIMER_HZ - int "Kernel internal timer frequency for 32KHz timer" - range 32 1024 - depends on OMAP_32K_TIMER - default "128" - help - Kernel internal timer frequency should be a divisor of 32768, - such as 64 or 128. - config OMAP_DM_TIMER bool "Use dual-mode timer" depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS @@ -209,9 +148,6 @@ choice depends on ARCH_OMAP default OMAP_PM_NOOP -config OMAP_PM_NONE - bool "No PM layer" - config OMAP_PM_NOOP bool "No-op/debug PM layer" diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile index a4a12859fdd..0b01b68fd03 100644 --- a/arch/arm/plat-omap/Makefile +++ b/arch/arm/plat-omap/Makefile @@ -2,33 +2,18 @@ # Makefile for the linux kernel. # +ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-omap/include + # Common support -obj-y := common.o sram.o clock.o devices.o dma.o mux.o gpio.o \ - usb.o fb.o io.o counter_32k.o +obj-y := sram.o dma.o counter_32k.o obj-m := obj-n := obj- := -# OCPI interconnect support for 1710, 1610 and 5912 -obj-$(CONFIG_ARCH_OMAP16XX) += ocpi.o - # omap_device support (OMAP2+ only at the moment) -obj-$(CONFIG_ARCH_OMAP2) += omap_device.o -obj-$(CONFIG_ARCH_OMAP3) += omap_device.o -obj-$(CONFIG_ARCH_OMAP4) += omap_device.o -obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o -obj-$(CONFIG_OMAP_IOMMU) += iommu.o iovmm.o -obj-$(CONFIG_OMAP_IOMMU_DEBUG) += iommu-debug.o - -obj-$(CONFIG_CPU_FREQ) += cpu-omap.o obj-$(CONFIG_OMAP_DM_TIMER) += dmtimer.o -obj-$(CONFIG_OMAP_DEBUG_DEVICES) += debug-devices.o obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o i2c-omap-$(CONFIG_I2C_OMAP) := i2c.o obj-y += $(i2c-omap-m) $(i2c-omap-y) -# OMAP mailbox framework -obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox.o - -obj-$(CONFIG_OMAP_PM_NOOP) += omap-pm-noop.o diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c deleted file mode 100644 index fc62fb5fc20..00000000000 --- a/arch/arm/plat-omap/clock.c +++ /dev/null @@ -1,518 +0,0 @@ -/* - * linux/arch/arm/plat-omap/clock.c - * - * Copyright (C) 2004 - 2008 Nokia corporation - * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> - * - * Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/string.h> -#include <linux/clk.h> -#include <linux/mutex.h> -#include <linux/cpufreq.h> -#include <linux/debugfs.h> -#include <linux/io.h> - -#include <plat/clock.h> - -static LIST_HEAD(clocks); -static DEFINE_MUTEX(clocks_mutex); -static DEFINE_SPINLOCK(clockfw_lock); - -static struct clk_functions *arch_clock; - -/* - * Standard clock functions defined in include/linux/clk.h - */ - -int clk_enable(struct clk *clk) -{ - unsigned long flags; - int ret = 0; - - if (clk == NULL || IS_ERR(clk)) - return -EINVAL; - - spin_lock_irqsave(&clockfw_lock, flags); - if (arch_clock->clk_enable) - ret = arch_clock->clk_enable(clk); - spin_unlock_irqrestore(&clockfw_lock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *clk) -{ - unsigned long flags; - - if (clk == NULL || IS_ERR(clk)) - return; - - spin_lock_irqsave(&clockfw_lock, flags); - if (clk->usecount == 0) { - pr_err("Trying disable clock %s with 0 usecount\n", - clk->name); - WARN_ON(1); - goto out; - } - - if (arch_clock->clk_disable) - arch_clock->clk_disable(clk); - -out: - spin_unlock_irqrestore(&clockfw_lock, flags); -} -EXPORT_SYMBOL(clk_disable); - -unsigned long clk_get_rate(struct clk *clk) -{ - unsigned long flags; - unsigned long ret = 0; - - if (clk == NULL || IS_ERR(clk)) - return 0; - - spin_lock_irqsave(&clockfw_lock, flags); - ret = clk->rate; - spin_unlock_irqrestore(&clockfw_lock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_get_rate); - -/* - * Optional clock functions defined in include/linux/clk.h - */ - -long clk_round_rate(struct clk *clk, unsigned long rate) -{ - unsigned long flags; - long ret = 0; - - if (clk == NULL || IS_ERR(clk)) - return ret; - - spin_lock_irqsave(&clockfw_lock, flags); - if (arch_clock->clk_round_rate) - ret = arch_clock->clk_round_rate(clk, rate); - spin_unlock_irqrestore(&clockfw_lock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_round_rate); - -int clk_set_rate(struct clk *clk, unsigned long rate) -{ - unsigned long flags; - int ret = -EINVAL; - - if (clk == NULL || IS_ERR(clk)) - return ret; - - spin_lock_irqsave(&clockfw_lock, flags); - if (arch_clock->clk_set_rate) - ret = arch_clock->clk_set_rate(clk, rate); - if (ret == 0) { - if (clk->recalc) - clk->rate = clk->recalc(clk); - propagate_rate(clk); - } - spin_unlock_irqrestore(&clockfw_lock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_set_rate); - -int clk_set_parent(struct clk *clk, struct clk *parent) -{ - unsigned long flags; - int ret = -EINVAL; - - if (clk == NULL || IS_ERR(clk) || parent == NULL || IS_ERR(parent)) - return ret; - - spin_lock_irqsave(&clockfw_lock, flags); - if (clk->usecount == 0) { - if (arch_clock->clk_set_parent) - ret = arch_clock->clk_set_parent(clk, parent); - if (ret == 0) { - if (clk->recalc) - clk->rate = clk->recalc(clk); - propagate_rate(clk); - } - } else - ret = -EBUSY; - spin_unlock_irqrestore(&clockfw_lock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_set_parent); - -struct clk *clk_get_parent(struct clk *clk) -{ - return clk->parent; -} -EXPORT_SYMBOL(clk_get_parent); - -/* - * OMAP specific clock functions shared between omap1 and omap2 - */ - -int __initdata mpurate; - -/* - * By default we use the rate set by the bootloader. - * You can override this with mpurate= cmdline option. - */ -static int __init omap_clk_setup(char *str) -{ - get_option(&str, &mpurate); - - if (!mpurate) - return 1; - - if (mpurate < 1000) - mpurate *= 1000000; - - return 1; -} -__setup("mpurate=", omap_clk_setup); - -/* Used for clocks that always have same value as the parent clock */ -unsigned long followparent_recalc(struct clk *clk) -{ - return clk->parent->rate; -} - -/* - * Used for clocks that have the same value as the parent clock, - * divided by some factor - */ -unsigned long omap_fixed_divisor_recalc(struct clk *clk) -{ - WARN_ON(!clk->fixed_div); - - return clk->parent->rate / clk->fixed_div; -} - -void clk_reparent(struct clk *child, struct clk *parent) -{ - list_del_init(&child->sibling); - if (parent) - list_add(&child->sibling, &parent->children); - child->parent = parent; - - /* now do the debugfs renaming to reattach the child - to the proper parent */ -} - -/* Propagate rate to children */ -void propagate_rate(struct clk *tclk) -{ - struct clk *clkp; - - list_for_each_entry(clkp, &tclk->children, sibling) { - if (clkp->recalc) - clkp->rate = clkp->recalc(clkp); - propagate_rate(clkp); - } -} - -static LIST_HEAD(root_clks); - -/** - * recalculate_root_clocks - recalculate and propagate all root clocks - * - * Recalculates all root clocks (clocks with no parent), which if the - * clock's .recalc is set correctly, should also propagate their rates. - * Called at init. - */ -void recalculate_root_clocks(void) -{ - struct clk *clkp; - - list_for_each_entry(clkp, &root_clks, sibling) { - if (clkp->recalc) - clkp->rate = clkp->recalc(clkp); - propagate_rate(clkp); - } -} - -/** - * clk_preinit - initialize any fields in the struct clk before clk init - * @clk: struct clk * to initialize - * - * Initialize any struct clk fields needed before normal clk initialization - * can run. No return value. - */ -void clk_preinit(struct clk *clk) -{ - INIT_LIST_HEAD(&clk->children); -} - -int clk_register(struct clk *clk) -{ - if (clk == NULL || IS_ERR(clk)) - return -EINVAL; - - /* - * trap out already registered clocks - */ - if (clk->node.next || clk->node.prev) - return 0; - - mutex_lock(&clocks_mutex); - if (clk->parent) - list_add(&clk->sibling, &clk->parent->children); - else - list_add(&clk->sibling, &root_clks); - - list_add(&clk->node, &clocks); - if (clk->init) - clk->init(clk); - mutex_unlock(&clocks_mutex); - - return 0; -} -EXPORT_SYMBOL(clk_register); - -void clk_unregister(struct clk *clk) -{ - if (clk == NULL || IS_ERR(clk)) - return; - - mutex_lock(&clocks_mutex); - list_del(&clk->sibling); - list_del(&clk->node); - mutex_unlock(&clocks_mutex); -} -EXPORT_SYMBOL(clk_unregister); - -void clk_enable_init_clocks(void) -{ - struct clk *clkp; - - list_for_each_entry(clkp, &clocks, node) { - if (clkp->flags & ENABLE_ON_INIT) - clk_enable(clkp); - } -} - -/** - * omap_clk_get_by_name - locate OMAP struct clk by its name - * @name: name of the struct clk to locate - * - * Locate an OMAP struct clk by its name. Assumes that struct clk - * names are unique. Returns NULL if not found or a pointer to the - * struct clk if found. - */ -struct clk *omap_clk_get_by_name(const char *name) -{ - struct clk *c; - struct clk *ret = NULL; - - mutex_lock(&clocks_mutex); - - list_for_each_entry(c, &clocks, node) { - if (!strcmp(c->name, name)) { - ret = c; - break; - } - } - - mutex_unlock(&clocks_mutex); - - return ret; -} - -/* - * Low level helpers - */ -static int clkll_enable_null(struct clk *clk) -{ - return 0; -} - -static void clkll_disable_null(struct clk *clk) -{ -} - -const struct clkops clkops_null = { - .enable = clkll_enable_null, - .disable = clkll_disable_null, -}; - -/* - * Dummy clock - * - * Used for clock aliases that are needed on some OMAPs, but not others - */ -struct clk dummy_ck = { - .name = "dummy", - .ops = &clkops_null, -}; - -#ifdef CONFIG_CPU_FREQ -void clk_init_cpufreq_table(struct cpufreq_frequency_table **table) -{ - unsigned long flags; - - spin_lock_irqsave(&clockfw_lock, flags); - if (arch_clock->clk_init_cpufreq_table) - arch_clock->clk_init_cpufreq_table(table); - spin_unlock_irqrestore(&clockfw_lock, flags); -} - -void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table) -{ - unsigned long flags; - - spin_lock_irqsave(&clockfw_lock, flags); - if (arch_clock->clk_exit_cpufreq_table) - arch_clock->clk_exit_cpufreq_table(table); - spin_unlock_irqrestore(&clockfw_lock, flags); -} -#endif - -/* - * - */ - -#ifdef CONFIG_OMAP_RESET_CLOCKS -/* - * Disable any unused clocks left on by the bootloader - */ -static int __init clk_disable_unused(void) -{ - struct clk *ck; - unsigned long flags; - - pr_info("clock: disabling unused clocks to save power\n"); - list_for_each_entry(ck, &clocks, node) { - if (ck->ops == &clkops_null) - continue; - - if (ck->usecount > 0 || !ck->enable_reg) - continue; - - spin_lock_irqsave(&clockfw_lock, flags); - if (arch_clock->clk_disable_unused) - arch_clock->clk_disable_unused(ck); - spin_unlock_irqrestore(&clockfw_lock, flags); - } - - return 0; -} -late_initcall(clk_disable_unused); -#endif - -int __init clk_init(struct clk_functions * custom_clocks) -{ - if (!custom_clocks) { - pr_err("No custom clock functions registered\n"); - BUG(); - } - - arch_clock = custom_clocks; - - return 0; -} - -#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) -/* - * debugfs support to trace clock tree hierarchy and attributes - */ -static struct dentry *clk_debugfs_root; - -static int clk_debugfs_register_one(struct clk *c) -{ - int err; - struct dentry *d, *child, *child_tmp; - struct clk *pa = c->parent; - char s[255]; - char *p = s; - - p += sprintf(p, "%s", c->name); - d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root); - if (!d) - return -ENOMEM; - c->dent = d; - - d = debugfs_create_u8("usecount", S_IRUGO, c->dent, (u8 *)&c->usecount); - if (!d) { - err = -ENOMEM; - goto err_out; - } - d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate); - if (!d) { - err = -ENOMEM; - goto err_out; - } - d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags); - if (!d) { - err = -ENOMEM; - goto err_out; - } - return 0; - -err_out: - d = c->dent; - list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child) - debugfs_remove(child); - debugfs_remove(c->dent); - return err; -} - -static int clk_debugfs_register(struct clk *c) -{ - int err; - struct clk *pa = c->parent; - - if (pa && !pa->dent) { - err = clk_debugfs_register(pa); - if (err) - return err; - } - - if (!c->dent) { - err = clk_debugfs_register_one(c); - if (err) - return err; - } - return 0; -} - -static int __init clk_debugfs_init(void) -{ - struct clk *c; - struct dentry *d; - int err; - - d = debugfs_create_dir("clock", NULL); - if (!d) - return -ENOMEM; - clk_debugfs_root = d; - - list_for_each_entry(c, &clocks, node) { - err = clk_debugfs_register(c); - if (err) - goto err_out; - } - return 0; -err_out: - debugfs_remove_recursive(clk_debugfs_root); - return err; -} -late_initcall(clk_debugfs_init); - -#endif /* defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) */ diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c deleted file mode 100644 index f0473182030..00000000000 --- a/arch/arm/plat-omap/common.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * linux/arch/arm/plat-omap/common.c - * - * Code common to all OMAP machines. - * The file is created by Tony Lindgren <tony@atomide.com> - * - * Copyright (C) 2009 Texas Instruments - * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/omapfb.h> - -#include <plat/common.h> -#include <plat/board.h> -#include <plat/vram.h> -#include <plat/dsp.h> - - -#define NO_LENGTH_CHECK 0xffffffff - -struct omap_board_config_kernel *omap_board_config; -int omap_board_config_size; - -static const void *get_config(u16 tag, size_t len, int skip, size_t *len_out) -{ - struct omap_board_config_kernel *kinfo = NULL; - int i; - - /* Try to find the config from the board-specific structures - * in the kernel. */ - for (i = 0; i < omap_board_config_size; i++) { - if (omap_board_config[i].tag == tag) { - if (skip == 0) { - kinfo = &omap_board_config[i]; - break; - } else { - skip--; - } - } - } - if (kinfo == NULL) - return NULL; - return kinfo->data; -} - -const void *__omap_get_config(u16 tag, size_t len, int nr) -{ - return get_config(tag, len, nr, NULL); -} -EXPORT_SYMBOL(__omap_get_config); - -const void *omap_get_var_config(u16 tag, size_t *len) -{ - return get_config(tag, NO_LENGTH_CHECK, 0, len); -} -EXPORT_SYMBOL(omap_get_var_config); - -void __init omap_reserve(void) -{ - omapfb_reserve_sdram_memblock(); - omap_vram_reserve_sdram_memblock(); - omap_dsp_reserve_sdram_memblock(); -} diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c index 862dda95d61..61b4d705c26 100644 --- a/arch/arm/plat-omap/counter_32k.c +++ b/arch/arm/plat-omap/counter_32k.c @@ -17,15 +17,18 @@ #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> -#include <linux/sched.h> - -#include <asm/sched_clock.h> +#include <linux/clocksource.h> +#include <linux/sched_clock.h> -#include <plat/common.h> -#include <plat/board.h> +#include <asm/mach/time.h> -#include <plat/clock.h> +#include <plat/counter-32k.h> +/* OMAP2_32KSYNCNT_CR_OFF: offset of 32ksync counter register */ +#define OMAP2_32KSYNCNT_REV_OFF 0x0 +#define OMAP2_32KSYNCNT_REV_SCHEME (0x3 << 30) +#define OMAP2_32KSYNCNT_CR_OFF_LOW 0x10 +#define OMAP2_32KSYNCNT_CR_OFF_HIGH 0x30 /* * 32KHz clocksource ... always available, on pretty most chips except @@ -33,175 +36,88 @@ * higher resolution in free-running counter modes (e.g. 12 MHz xtal), * but systems won't necessarily want to spend resources that way. */ +static void __iomem *sync32k_cnt_reg; -#define OMAP16XX_TIMER_32K_SYNCHRONIZED 0xfffbc410 - -#include <linux/clocksource.h> - -/* - * offset_32k holds the init time counter value. It is then subtracted - * from every counter read to achieve a counter that counts time from the - * kernel boot (needed for sched_clock()). - */ -static u32 offset_32k __read_mostly; - -#ifdef CONFIG_ARCH_OMAP16XX -static cycle_t notrace omap16xx_32k_read(struct clocksource *cs) -{ - return omap_readl(OMAP16XX_TIMER_32K_SYNCHRONIZED) - offset_32k; -} -#else -#define omap16xx_32k_read NULL -#endif - -#ifdef CONFIG_ARCH_OMAP2420 -static cycle_t notrace omap2420_32k_read(struct clocksource *cs) -{ - return omap_readl(OMAP2420_32KSYNCT_BASE + 0x10) - offset_32k; -} -#else -#define omap2420_32k_read NULL -#endif - -#ifdef CONFIG_ARCH_OMAP2430 -static cycle_t notrace omap2430_32k_read(struct clocksource *cs) -{ - return omap_readl(OMAP2430_32KSYNCT_BASE + 0x10) - offset_32k; -} -#else -#define omap2430_32k_read NULL -#endif - -#ifdef CONFIG_ARCH_OMAP3 -static cycle_t notrace omap34xx_32k_read(struct clocksource *cs) -{ - return omap_readl(OMAP3430_32KSYNCT_BASE + 0x10) - offset_32k; -} -#else -#define omap34xx_32k_read NULL -#endif - -#ifdef CONFIG_ARCH_OMAP4 -static cycle_t notrace omap44xx_32k_read(struct clocksource *cs) -{ - return omap_readl(OMAP4430_32KSYNCT_BASE + 0x10) - offset_32k; -} -#else -#define omap44xx_32k_read NULL -#endif - -/* - * Kernel assumes that sched_clock can be called early but may not have - * things ready yet. - */ -static cycle_t notrace omap_32k_read_dummy(struct clocksource *cs) -{ - return 0; -} - -static struct clocksource clocksource_32k = { - .name = "32k_counter", - .rating = 250, - .read = omap_32k_read_dummy, - .mask = CLOCKSOURCE_MASK(32), - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - -/* - * Returns current time from boot in nsecs. It's OK for this to wrap - * around for now, as it's just a relative time stamp. - */ -static DEFINE_CLOCK_DATA(cd); - -/* - * Constants generated by clocks_calc_mult_shift(m, s, 32768, NSEC_PER_SEC, 60). - * This gives a resolution of about 30us and a wrap period of about 36hrs. - */ -#define SC_MULT 4000000000u -#define SC_SHIFT 17 - -static inline unsigned long long notrace _omap_32k_sched_clock(void) -{ - u32 cyc = clocksource_32k.read(&clocksource_32k); - return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT); -} - -#ifndef CONFIG_OMAP_MPU_TIMER -unsigned long long notrace sched_clock(void) -{ - return _omap_32k_sched_clock(); -} -#else -unsigned long long notrace omap_32k_sched_clock(void) +static u64 notrace omap_32k_read_sched_clock(void) { - return _omap_32k_sched_clock(); -} -#endif - -static void notrace omap_update_sched_clock(void) -{ - u32 cyc = clocksource_32k.read(&clocksource_32k); - update_sched_clock(&cd, cyc, (u32)~0); + return sync32k_cnt_reg ? readl_relaxed(sync32k_cnt_reg) : 0; } /** - * read_persistent_clock - Return time from a persistent clock. + * omap_read_persistent_clock - Return time from a persistent clock. * * Reads the time from a source which isn't disabled during PM, the * 32k sync timer. Convert the cycles elapsed since last read into * nsecs and adds to a monotonically increasing timespec. */ static struct timespec persistent_ts; -static cycles_t cycles, last_cycles; -void read_persistent_clock(struct timespec *ts) +static cycles_t cycles; +static unsigned int persistent_mult, persistent_shift; +static DEFINE_SPINLOCK(read_persistent_clock_lock); + +static void omap_read_persistent_clock(struct timespec *ts) { unsigned long long nsecs; - cycles_t delta; - struct timespec *tsp = &persistent_ts; + cycles_t last_cycles; + unsigned long flags; + + spin_lock_irqsave(&read_persistent_clock_lock, flags); last_cycles = cycles; - cycles = clocksource_32k.read(&clocksource_32k); - delta = cycles - last_cycles; + cycles = sync32k_cnt_reg ? readl_relaxed(sync32k_cnt_reg) : 0; + + nsecs = clocksource_cyc2ns(cycles - last_cycles, + persistent_mult, persistent_shift); + + timespec_add_ns(&persistent_ts, nsecs); - nsecs = clocksource_cyc2ns(delta, - clocksource_32k.mult, clocksource_32k.shift); + *ts = persistent_ts; - timespec_add_ns(tsp, nsecs); - *ts = *tsp; + spin_unlock_irqrestore(&read_persistent_clock_lock, flags); } -int __init omap_init_clocksource_32k(void) +/** + * omap_init_clocksource_32k - setup and register counter 32k as a + * kernel clocksource + * @pbase: base addr of counter_32k module + * @size: size of counter_32k to map + * + * Returns 0 upon success or negative error code upon failure. + * + */ +int __init omap_init_clocksource_32k(void __iomem *vbase) { - static char err[] __initdata = KERN_ERR - "%s: can't register clocksource!\n"; - - if (cpu_is_omap16xx() || cpu_class_is_omap2()) { - struct clk *sync_32k_ick; - - if (cpu_is_omap16xx()) - clocksource_32k.read = omap16xx_32k_read; - else if (cpu_is_omap2420()) - clocksource_32k.read = omap2420_32k_read; - else if (cpu_is_omap2430()) - clocksource_32k.read = omap2430_32k_read; - else if (cpu_is_omap34xx()) - clocksource_32k.read = omap34xx_32k_read; - else if (cpu_is_omap44xx()) - clocksource_32k.read = omap44xx_32k_read; - else - return -ENODEV; - - sync_32k_ick = clk_get(NULL, "omap_32ksync_ick"); - if (!IS_ERR(sync_32k_ick)) - clk_enable(sync_32k_ick); - - offset_32k = clocksource_32k.read(&clocksource_32k); - - if (clocksource_register_hz(&clocksource_32k, 32768)) - printk(err, clocksource_32k.name); - - init_fixed_sched_clock(&cd, omap_update_sched_clock, 32, - 32768, SC_MULT, SC_SHIFT); + int ret; + + /* + * 32k sync Counter IP register offsets vary between the + * highlander version and the legacy ones. + * The 'SCHEME' bits(30-31) of the revision register is used + * to identify the version. + */ + if (readl_relaxed(vbase + OMAP2_32KSYNCNT_REV_OFF) & + OMAP2_32KSYNCNT_REV_SCHEME) + sync32k_cnt_reg = vbase + OMAP2_32KSYNCNT_CR_OFF_HIGH; + else + sync32k_cnt_reg = vbase + OMAP2_32KSYNCNT_CR_OFF_LOW; + + /* + * 120000 rough estimate from the calculations in + * __clocksource_updatefreq_scale. + */ + clocks_calc_mult_shift(&persistent_mult, &persistent_shift, + 32768, NSEC_PER_SEC, 120000); + + ret = clocksource_mmio_init(sync32k_cnt_reg, "32k_counter", 32768, + 250, 32, clocksource_mmio_readl_up); + if (ret) { + pr_err("32k_counter: can't register clocksource\n"); + return ret; } + + sched_clock_register(omap_32k_read_sched_clock, 32, 32768); + register_persistent_clock(NULL, omap_read_persistent_clock); + pr_info("OMAP clocksource: 32k_counter at 32768 Hz\n"); + return 0; } diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c deleted file mode 100644 index 11c54ec8d47..00000000000 --- a/arch/arm/plat-omap/cpu-omap.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * linux/arch/arm/plat-omap/cpu-omap.c - * - * CPU frequency scaling for OMAP - * - * Copyright (C) 2005 Nokia Corporation - * Written by Tony Lindgren <tony@atomide.com> - * - * Based on cpu-sa1110.c, Copyright (C) 2001 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/cpufreq.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <plat/clock.h> -#include <asm/system.h> - -#define VERY_HI_RATE 900000000 - -static struct cpufreq_frequency_table *freq_table; - -#ifdef CONFIG_ARCH_OMAP1 -#define MPU_CLK "mpu" -#else -#define MPU_CLK "virt_prcm_set" -#endif - -static struct clk *mpu_clk; - -/* TODO: Add support for SDRAM timing changes */ - -static int omap_verify_speed(struct cpufreq_policy *policy) -{ - if (freq_table) - return cpufreq_frequency_table_verify(policy, freq_table); - - if (policy->cpu) - return -EINVAL; - - cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, - policy->cpuinfo.max_freq); - - policy->min = clk_round_rate(mpu_clk, policy->min * 1000) / 1000; - policy->max = clk_round_rate(mpu_clk, policy->max * 1000) / 1000; - cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, - policy->cpuinfo.max_freq); - return 0; -} - -static unsigned int omap_getspeed(unsigned int cpu) -{ - unsigned long rate; - - if (cpu) - return 0; - - rate = clk_get_rate(mpu_clk) / 1000; - return rate; -} - -static int omap_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) -{ - struct cpufreq_freqs freqs; - int ret = 0; - - /* Ensure desired rate is within allowed range. Some govenors - * (ondemand) will just pass target_freq=0 to get the minimum. */ - if (target_freq < policy->min) - target_freq = policy->min; - if (target_freq > policy->max) - target_freq = policy->max; - - freqs.old = omap_getspeed(0); - freqs.new = clk_round_rate(mpu_clk, target_freq * 1000) / 1000; - freqs.cpu = 0; - - if (freqs.old == freqs.new) - return ret; - - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); -#ifdef CONFIG_CPU_FREQ_DEBUG - printk(KERN_DEBUG "cpufreq-omap: transition: %u --> %u\n", - freqs.old, freqs.new); -#endif - ret = clk_set_rate(mpu_clk, freqs.new * 1000); - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - - return ret; -} - -static int __init omap_cpu_init(struct cpufreq_policy *policy) -{ - int result = 0; - - mpu_clk = clk_get(NULL, MPU_CLK); - if (IS_ERR(mpu_clk)) - return PTR_ERR(mpu_clk); - - if (policy->cpu != 0) - return -EINVAL; - - policy->cur = policy->min = policy->max = omap_getspeed(0); - - clk_init_cpufreq_table(&freq_table); - if (freq_table) { - result = cpufreq_frequency_table_cpuinfo(policy, freq_table); - if (!result) - cpufreq_frequency_table_get_attr(freq_table, - policy->cpu); - } else { - policy->cpuinfo.min_freq = clk_round_rate(mpu_clk, 0) / 1000; - policy->cpuinfo.max_freq = clk_round_rate(mpu_clk, - VERY_HI_RATE) / 1000; - } - - /* FIXME: what's the actual transition time? */ - policy->cpuinfo.transition_latency = 300 * 1000; - - return 0; -} - -static int omap_cpu_exit(struct cpufreq_policy *policy) -{ - clk_exit_cpufreq_table(&freq_table); - clk_put(mpu_clk); - return 0; -} - -static struct freq_attr *omap_cpufreq_attr[] = { - &cpufreq_freq_attr_scaling_available_freqs, - NULL, -}; - -static struct cpufreq_driver omap_driver = { - .flags = CPUFREQ_STICKY, - .verify = omap_verify_speed, - .target = omap_target, - .get = omap_getspeed, - .init = omap_cpu_init, - .exit = omap_cpu_exit, - .name = "omap", - .attr = omap_cpufreq_attr, -}; - -static int __init omap_cpufreq_init(void) -{ - return cpufreq_register_driver(&omap_driver); -} - -arch_initcall(omap_cpufreq_init); - -/* - * if ever we want to remove this, upon cleanup call: - * - * cpufreq_unregister_driver() - * cpufreq_frequency_table_put_attr() - */ - diff --git a/arch/arm/plat-omap/debug-devices.c b/arch/arm/plat-omap/debug-devices.c deleted file mode 100644 index 923c9621096..00000000000 --- a/arch/arm/plat-omap/debug-devices.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * linux/arch/arm/plat-omap/debug-devices.c - * - * Copyright (C) 2005 Nokia Corporation - * Modified from mach-omap2/board-h4.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/smc91x.h> - -#include <mach/hardware.h> - -#include <plat/board.h> -#include <mach/gpio.h> - - -/* Many OMAP development platforms reuse the same "debug board"; these - * platforms include H2, H3, H4, and Perseus2. - */ - -static struct smc91x_platdata smc91x_info = { - .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, - .leda = RPC_LED_100_10, - .ledb = RPC_LED_TX_RX, -}; - -static struct resource smc91x_resources[] = { - [0] = { - .flags = IORESOURCE_MEM, - }, - [1] = { - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, - }, -}; - -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = -1, - .dev = { - .platform_data = &smc91x_info, - }, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; - -static struct resource led_resources[] = { - [0] = { - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device led_device = { - .name = "omap_dbg_led", - .id = -1, - .num_resources = ARRAY_SIZE(led_resources), - .resource = led_resources, -}; - -static struct platform_device *debug_devices[] __initdata = { - &smc91x_device, - &led_device, - /* ps2 kbd + mouse ports */ - /* 4 extra uarts */ - /* 6 input dip switches */ - /* 8 output pins */ -}; - -int __init debug_card_init(u32 addr, unsigned gpio) -{ - int status; - - smc91x_resources[0].start = addr + 0x300; - smc91x_resources[0].end = addr + 0x30f; - - smc91x_resources[1].start = gpio_to_irq(gpio); - smc91x_resources[1].end = gpio_to_irq(gpio); - - status = gpio_request(gpio, "SMC91x irq"); - if (status < 0) { - printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio); - return status; - } - gpio_direction_input(gpio); - - led_resources[0].start = addr; - led_resources[0].end = addr + SZ_4K - 1; - - return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices)); -} diff --git a/arch/arm/plat-omap/debug-leds.c b/arch/arm/plat-omap/debug-leds.c index fc05b102260..48b69de89a5 100644 --- a/arch/arm/plat-omap/debug-leds.c +++ b/arch/arm/plat-omap/debug-leds.c @@ -1,6 +1,7 @@ /* * linux/arch/arm/plat-omap/debug-leds.c * + * Copyright 2011 by Bryan Wu <bryan.wu@canonical.com> * Copyright 2003 by Texas Instruments Incorporated * * This program is free software; you can redistribute it and/or modify @@ -8,274 +9,128 @@ * published by the Free Software Foundation. */ +#include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/leds.h> #include <linux/io.h> +#include <linux/platform_data/gpio-omap.h> +#include <linux/slab.h> -#include <mach/hardware.h> -#include <asm/leds.h> -#include <asm/system.h> #include <asm/mach-types.h> -#include <plat/fpga.h> -#include <mach/gpio.h> - - /* Many OMAP development platforms reuse the same "debug board"; these * platforms include H2, H3, H4, and Perseus2. There are 16 LEDs on the * debug board (all green), accessed through FPGA registers. - * - * The "surfer" expansion board and H2 sample board also have two-color - * green+red LEDs (in parallel), used here for timer and idle indicators - * in preference to the ones on the debug board, for a "Disco LED" effect. - * - * This driver exports either the original ARM LED API, the new generic - * one, or both. - */ - -static spinlock_t lock; -static struct h2p2_dbg_fpga __iomem *fpga; -static u16 led_state, hw_led_state; - - -#ifdef CONFIG_OMAP_DEBUG_LEDS -#define new_led_api() 1 -#else -#define new_led_api() 0 -#endif - - -/*-------------------------------------------------------------------------*/ - -/* original ARM debug LED API: - * - timer and idle leds (some boards use non-FPGA leds here); - * - up to 4 generic leds, easily accessed in-kernel (any context) */ -#define GPIO_LED_RED 3 -#define GPIO_LED_GREEN OMAP_MPUIO(4) - -#define LED_STATE_ENABLED 0x01 -#define LED_STATE_CLAIMED 0x02 -#define LED_TIMER_ON 0x04 - -#define GPIO_IDLE GPIO_LED_GREEN -#define GPIO_TIMER GPIO_LED_RED - -static void h2p2_dbg_leds_event(led_event_t evt) -{ - unsigned long flags; - - spin_lock_irqsave(&lock, flags); - - if (!(led_state & LED_STATE_ENABLED) && evt != led_start) - goto done; - - switch (evt) { - case led_start: - if (fpga) - led_state |= LED_STATE_ENABLED; - break; - - case led_stop: - case led_halted: - /* all leds off during suspend or shutdown */ - - if (!(machine_is_omap_perseus2() || machine_is_omap_h4())) { - gpio_set_value(GPIO_TIMER, 0); - gpio_set_value(GPIO_IDLE, 0); - } - - __raw_writew(~0, &fpga->leds); - led_state &= ~LED_STATE_ENABLED; - goto done; - - case led_claim: - led_state |= LED_STATE_CLAIMED; - hw_led_state = 0; - break; - - case led_release: - led_state &= ~LED_STATE_CLAIMED; - break; - -#ifdef CONFIG_LEDS_TIMER - case led_timer: - led_state ^= LED_TIMER_ON; - - if (machine_is_omap_perseus2() || machine_is_omap_h4()) - hw_led_state ^= H2P2_DBG_FPGA_P2_LED_TIMER; - else { - gpio_set_value(GPIO_TIMER, - led_state & LED_TIMER_ON); - goto done; - } - - break; -#endif - -#ifdef CONFIG_LEDS_CPU - /* LED lit iff busy */ - case led_idle_start: - if (machine_is_omap_perseus2() || machine_is_omap_h4()) - hw_led_state &= ~H2P2_DBG_FPGA_P2_LED_IDLE; - else { - gpio_set_value(GPIO_IDLE, 1); - goto done; - } - - break; - - case led_idle_end: - if (machine_is_omap_perseus2() || machine_is_omap_h4()) - hw_led_state |= H2P2_DBG_FPGA_P2_LED_IDLE; - else { - gpio_set_value(GPIO_IDLE, 0); - goto done; - } - - break; -#endif - - case led_green_on: - hw_led_state |= H2P2_DBG_FPGA_LED_GREEN; - break; - case led_green_off: - hw_led_state &= ~H2P2_DBG_FPGA_LED_GREEN; - break; - - case led_amber_on: - hw_led_state |= H2P2_DBG_FPGA_LED_AMBER; - break; - case led_amber_off: - hw_led_state &= ~H2P2_DBG_FPGA_LED_AMBER; - break; - - case led_red_on: - hw_led_state |= H2P2_DBG_FPGA_LED_RED; - break; - case led_red_off: - hw_led_state &= ~H2P2_DBG_FPGA_LED_RED; - break; - - case led_blue_on: - hw_led_state |= H2P2_DBG_FPGA_LED_BLUE; - break; - case led_blue_off: - hw_led_state &= ~H2P2_DBG_FPGA_LED_BLUE; - break; - - default: - break; - } - - - /* - * Actually burn the LEDs - */ - if (led_state & LED_STATE_ENABLED) - __raw_writew(~hw_led_state, &fpga->leds); - -done: - spin_unlock_irqrestore(&lock, flags); -} +/* NOTE: most boards don't have a static mapping for the FPGA ... */ +struct h2p2_dbg_fpga { + /* offset 0x00 */ + u16 smc91x[8]; + /* offset 0x10 */ + u16 fpga_rev; + u16 board_rev; + u16 gpio_outputs; + u16 leds; + /* offset 0x18 */ + u16 misc_inputs; + u16 lan_status; + u16 lan_reset; + u16 reserved0; + /* offset 0x20 */ + u16 ps2_data; + u16 ps2_ctrl; + /* plus also 4 rs232 ports ... */ +}; -/*-------------------------------------------------------------------------*/ +static struct h2p2_dbg_fpga __iomem *fpga; -/* "new" LED API - * - with syfs access and generic triggering - * - not readily accessible to in-kernel drivers - */ +static u16 fpga_led_state; struct dbg_led { struct led_classdev cdev; u16 mask; }; -static struct dbg_led dbg_leds[] = { - /* REVISIT at least H2 uses different timer & cpu leds... */ -#ifndef CONFIG_LEDS_TIMER - { .mask = 1 << 0, .cdev.name = "d4:green", - .cdev.default_trigger = "heartbeat", }, -#endif -#ifndef CONFIG_LEDS_CPU - { .mask = 1 << 1, .cdev.name = "d5:green", }, /* !idle */ -#endif - { .mask = 1 << 2, .cdev.name = "d6:green", }, - { .mask = 1 << 3, .cdev.name = "d7:green", }, - - { .mask = 1 << 4, .cdev.name = "d8:green", }, - { .mask = 1 << 5, .cdev.name = "d9:green", }, - { .mask = 1 << 6, .cdev.name = "d10:green", }, - { .mask = 1 << 7, .cdev.name = "d11:green", }, - - { .mask = 1 << 8, .cdev.name = "d12:green", }, - { .mask = 1 << 9, .cdev.name = "d13:green", }, - { .mask = 1 << 10, .cdev.name = "d14:green", }, - { .mask = 1 << 11, .cdev.name = "d15:green", }, - -#ifndef CONFIG_LEDS - { .mask = 1 << 12, .cdev.name = "d16:green", }, - { .mask = 1 << 13, .cdev.name = "d17:green", }, - { .mask = 1 << 14, .cdev.name = "d18:green", }, - { .mask = 1 << 15, .cdev.name = "d19:green", }, -#endif +static const struct { + const char *name; + const char *trigger; +} dbg_leds[] = { + { "dbg:d4", "heartbeat", }, + { "dbg:d5", "cpu0", }, + { "dbg:d6", "default-on", }, + { "dbg:d7", }, + { "dbg:d8", }, + { "dbg:d9", }, + { "dbg:d10", }, + { "dbg:d11", }, + { "dbg:d12", }, + { "dbg:d13", }, + { "dbg:d14", }, + { "dbg:d15", }, + { "dbg:d16", }, + { "dbg:d17", }, + { "dbg:d18", }, + { "dbg:d19", }, }; -static void -fpga_led_set(struct led_classdev *cdev, enum led_brightness value) +/* + * The triggers lines up below will only be used if the + * LED triggers are compiled in. + */ +static void dbg_led_set(struct led_classdev *cdev, + enum led_brightness b) { - struct dbg_led *led = container_of(cdev, struct dbg_led, cdev); - unsigned long flags; + struct dbg_led *led = container_of(cdev, struct dbg_led, cdev); + u16 reg; - spin_lock_irqsave(&lock, flags); - if (value == LED_OFF) - hw_led_state &= ~led->mask; + reg = readw_relaxed(&fpga->leds); + if (b != LED_OFF) + reg |= led->mask; else - hw_led_state |= led->mask; - __raw_writew(~hw_led_state, &fpga->leds); - spin_unlock_irqrestore(&lock, flags); + reg &= ~led->mask; + writew_relaxed(reg, &fpga->leds); } -static void __init newled_init(struct device *dev) +static enum led_brightness dbg_led_get(struct led_classdev *cdev) { - unsigned i; - struct dbg_led *led; - int status; + struct dbg_led *led = container_of(cdev, struct dbg_led, cdev); + u16 reg; - for (i = 0, led = dbg_leds; i < ARRAY_SIZE(dbg_leds); i++, led++) { - led->cdev.brightness_set = fpga_led_set; - status = led_classdev_register(dev, &led->cdev); - if (status < 0) - break; - } - return; + reg = readw_relaxed(&fpga->leds); + return (reg & led->mask) ? LED_FULL : LED_OFF; } - -/*-------------------------------------------------------------------------*/ - -static int /* __init */ fpga_probe(struct platform_device *pdev) +static int fpga_probe(struct platform_device *pdev) { struct resource *iomem; - - spin_lock_init(&lock); + int i; iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!iomem) return -ENODEV; - fpga = ioremap(iomem->start, H2P2_DBG_FPGA_SIZE); - __raw_writew(~0, &fpga->leds); + fpga = ioremap(iomem->start, resource_size(iomem)); + writew_relaxed(0xff, &fpga->leds); + + for (i = 0; i < ARRAY_SIZE(dbg_leds); i++) { + struct dbg_led *led; + + led = kzalloc(sizeof(*led), GFP_KERNEL); + if (!led) + break; -#ifdef CONFIG_LEDS - leds_event = h2p2_dbg_leds_event; - leds_event(led_start); -#endif + led->cdev.name = dbg_leds[i].name; + led->cdev.brightness_set = dbg_led_set; + led->cdev.brightness_get = dbg_led_get; + led->cdev.default_trigger = dbg_leds[i].trigger; + led->mask = BIT(i); - if (new_led_api()) { - newled_init(&pdev->dev); + if (led_classdev_register(NULL, &led->cdev) < 0) { + kfree(led); + break; + } } return 0; @@ -283,13 +138,15 @@ static int /* __init */ fpga_probe(struct platform_device *pdev) static int fpga_suspend_noirq(struct device *dev) { - __raw_writew(~0, &fpga->leds); + fpga_led_state = readw_relaxed(&fpga->leds); + writew_relaxed(0xff, &fpga->leds); + return 0; } static int fpga_resume_noirq(struct device *dev) { - __raw_writew(~hw_led_state, &fpga->leds); + writew_relaxed(~fpga_led_state, &fpga->leds); return 0; } diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c deleted file mode 100644 index 10245b837c1..00000000000 --- a/arch/arm/plat-omap/devices.c +++ /dev/null @@ -1,296 +0,0 @@ -/* - * linux/arch/arm/plat-omap/devices.c - * - * Common platform device setup/initialization for OMAP1 and OMAP2 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/slab.h> -#include <linux/memblock.h> - -#include <mach/hardware.h> -#include <asm/mach-types.h> -#include <asm/mach/map.h> - -#include <plat/tc.h> -#include <plat/board.h> -#include <plat/mmc.h> -#include <mach/gpio.h> -#include <plat/menelaus.h> -#include <plat/mcbsp.h> -#include <plat/omap44xx.h> - -/*-------------------------------------------------------------------------*/ - -#if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE) - -static struct platform_device **omap_mcbsp_devices; - -void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, - int size) -{ - int i; - - omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *), - GFP_KERNEL); - if (!omap_mcbsp_devices) { - printk(KERN_ERR "Could not register McBSP devices\n"); - return; - } - - for (i = 0; i < size; i++) { - struct platform_device *new_mcbsp; - int ret; - - new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1); - if (!new_mcbsp) - continue; - new_mcbsp->dev.platform_data = &config[i]; - ret = platform_device_add(new_mcbsp); - if (ret) { - platform_device_put(new_mcbsp); - continue; - } - omap_mcbsp_devices[i] = new_mcbsp; - } -} - -#else -void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, - int size) -{ } -#endif - -/*-------------------------------------------------------------------------*/ - -#if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \ - defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE) - -static struct resource mcpdm_resources[] = { - { - .name = "mcpdm_mem", - .start = OMAP44XX_MCPDM_BASE, - .end = OMAP44XX_MCPDM_BASE + SZ_4K, - .flags = IORESOURCE_MEM, - }, - { - .name = "mcpdm_irq", - .start = OMAP44XX_IRQ_MCPDM, - .end = OMAP44XX_IRQ_MCPDM, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device omap_mcpdm_device = { - .name = "omap-mcpdm", - .id = -1, - .num_resources = ARRAY_SIZE(mcpdm_resources), - .resource = mcpdm_resources, -}; - -static void omap_init_mcpdm(void) -{ - (void) platform_device_register(&omap_mcpdm_device); -} -#else -static inline void omap_init_mcpdm(void) {} -#endif - -/*-------------------------------------------------------------------------*/ - -#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \ - defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) - -#define OMAP_MMC_NR_RES 2 - -/* - * Register MMC devices. Called from mach-omap1 and mach-omap2 device init. - */ -int __init omap_mmc_add(const char *name, int id, unsigned long base, - unsigned long size, unsigned int irq, - struct omap_mmc_platform_data *data) -{ - struct platform_device *pdev; - struct resource res[OMAP_MMC_NR_RES]; - int ret; - - pdev = platform_device_alloc(name, id); - if (!pdev) - return -ENOMEM; - - memset(res, 0, OMAP_MMC_NR_RES * sizeof(struct resource)); - res[0].start = base; - res[0].end = base + size - 1; - res[0].flags = IORESOURCE_MEM; - res[1].start = res[1].end = irq; - res[1].flags = IORESOURCE_IRQ; - - ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res)); - if (ret == 0) - ret = platform_device_add_data(pdev, data, sizeof(*data)); - if (ret) - goto fail; - - ret = platform_device_add(pdev); - if (ret) - goto fail; - - /* return device handle to board setup code */ - data->dev = &pdev->dev; - return 0; - -fail: - platform_device_put(pdev); - return ret; -} - -#endif - -/*-------------------------------------------------------------------------*/ - -#if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE) - -#ifdef CONFIG_ARCH_OMAP2 -#define OMAP_RNG_BASE 0x480A0000 -#else -#define OMAP_RNG_BASE 0xfffe5000 -#endif - -static struct resource rng_resources[] = { - { - .start = OMAP_RNG_BASE, - .end = OMAP_RNG_BASE + 0x4f, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device omap_rng_device = { - .name = "omap_rng", - .id = -1, - .num_resources = ARRAY_SIZE(rng_resources), - .resource = rng_resources, -}; - -static void omap_init_rng(void) -{ - (void) platform_device_register(&omap_rng_device); -} -#else -static inline void omap_init_rng(void) {} -#endif - -/*-------------------------------------------------------------------------*/ - -/* Numbering for the SPI-capable controllers when used for SPI: - * spi = 1 - * uwire = 2 - * mmc1..2 = 3..4 - * mcbsp1..3 = 5..7 - */ - -#if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE) - -#define OMAP_UWIRE_BASE 0xfffb3000 - -static struct resource uwire_resources[] = { - { - .start = OMAP_UWIRE_BASE, - .end = OMAP_UWIRE_BASE + 0x20, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device omap_uwire_device = { - .name = "omap_uwire", - .id = -1, - .num_resources = ARRAY_SIZE(uwire_resources), - .resource = uwire_resources, -}; - -static void omap_init_uwire(void) -{ - /* FIXME define and use a boot tag; not all boards will be hooking - * up devices to the microwire controller, and multi-board configs - * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway... - */ - - /* board-specific code must configure chipselects (only a few - * are normally used) and SCLK/SDI/SDO (each has two choices). - */ - (void) platform_device_register(&omap_uwire_device); -} -#else -static inline void omap_init_uwire(void) {} -#endif - -#if defined(CONFIG_TIDSPBRIDGE) || defined(CONFIG_TIDSPBRIDGE_MODULE) - -static phys_addr_t omap_dsp_phys_mempool_base; - -void __init omap_dsp_reserve_sdram_memblock(void) -{ - phys_addr_t size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE; - phys_addr_t paddr; - - if (!size) - return; - - paddr = memblock_alloc(size, SZ_1M); - if (!paddr) { - pr_err("%s: failed to reserve %x bytes\n", - __func__, size); - return; - } - memblock_free(paddr, size); - memblock_remove(paddr, size); - - omap_dsp_phys_mempool_base = paddr; -} - -phys_addr_t omap_dsp_get_mempool_base(void) -{ - return omap_dsp_phys_mempool_base; -} -EXPORT_SYMBOL(omap_dsp_get_mempool_base); -#endif - -/* - * This gets called after board-specific INIT_MACHINE, and initializes most - * on-chip peripherals accessible on this board (except for few like USB): - * - * (a) Does any "standard config" pin muxing needed. Board-specific - * code will have muxed GPIO pins and done "nonstandard" setup; - * that code could live in the boot loader. - * (b) Populating board-specific platform_data with the data drivers - * rely on to handle wiring variations. - * (c) Creating platform devices as meaningful on this board and - * with this kernel configuration. - * - * Claiming GPIOs, and setting their direction and initial values, is the - * responsibility of the device drivers. So is responding to probe(). - * - * Board-specific knowlege like creating devices or pin setup is to be - * kept out of drivers as much as possible. In particular, pin setup - * may be handled by the boot loader, and drivers should expect it will - * normally have been done by the time they're probed. - */ -static int __init omap_init_devices(void) -{ - /* please keep these calls, and their implementations above, - * in alphabetical order so they're easier to sort through. - */ - omap_init_rng(); - omap_init_mcpdm(); - omap_init_uwire(); - return 0; -} -arch_initcall(omap_init_devices); diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 85363084cc1..b5608b1f9fb 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -36,11 +36,16 @@ #include <linux/slab.h> #include <linux/delay.h> -#include <asm/system.h> -#include <mach/hardware.h> -#include <plat/dma.h> +#include <linux/omap-dma.h> -#include <plat/tc.h> +/* + * MAX_LOGICAL_DMA_CH_COUNT: the maximum number of logical DMA + * channels that an instance of the SDMA IP block can support. Used + * to size arrays. (The actual maximum on a particular SoC may be less + * than this -- for example, OMAP1 SDMA instances only support 17 logical + * DMA channels.) + */ +#define MAX_LOGICAL_DMA_CH_COUNT 32 #undef DEBUG @@ -65,6 +70,7 @@ static u32 errata; static struct omap_dma_global_context_registers { u32 dma_irqenable_l0; + u32 dma_irqenable_l1; u32 dma_ocp_sysconfig; u32 dma_gcr; } omap_dma_global_context; @@ -134,7 +140,7 @@ static inline void omap_enable_channel_irq(int lch); #ifdef CONFIG_ARCH_OMAP15XX /* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */ -int omap_dma_in_1510_mode(void) +static int omap_dma_in_1510_mode(void) { return enable_1510_mode; } @@ -164,14 +170,17 @@ static inline void set_gdma_dev(int req, int dev) } #else #define set_gdma_dev(req, dev) do {} while (0) +#define omap_readl(reg) 0 +#define omap_writel(val, reg) do {} while (0) #endif +#ifdef CONFIG_ARCH_OMAP1 void omap_set_dma_priority(int lch, int dst_port, int priority) { unsigned long reg; u32 l; - if (cpu_class_is_omap1()) { + if (dma_omap1()) { switch (dst_port) { case OMAP_DMA_PORT_OCP_T1: /* FFFECC00 */ reg = OMAP_TC_OCPT1_PRIOR; @@ -194,18 +203,22 @@ void omap_set_dma_priority(int lch, int dst_port, int priority) l |= (priority & 0xf) << 8; omap_writel(l, reg); } +} +#endif - if (cpu_class_is_omap2()) { - u32 ccr; +#ifdef CONFIG_ARCH_OMAP2PLUS +void omap_set_dma_priority(int lch, int dst_port, int priority) +{ + u32 ccr; - ccr = p->dma_read(CCR, lch); - if (priority) - ccr |= (1 << 6); - else - ccr &= ~(1 << 6); - p->dma_write(ccr, CCR, lch); - } + ccr = p->dma_read(CCR, lch); + if (priority) + ccr |= (1 << 6); + else + ccr &= ~(1 << 6); + p->dma_write(ccr, CCR, lch); } +#endif EXPORT_SYMBOL(omap_set_dma_priority); void omap_set_dma_transfer_params(int lch, int data_type, int elem_count, @@ -219,7 +232,7 @@ void omap_set_dma_transfer_params(int lch, int data_type, int elem_count, l |= data_type; p->dma_write(l, CSDP, lch); - if (cpu_class_is_omap1()) { + if (dma_omap1()) { u16 ccr; ccr = p->dma_read(CCR, lch); @@ -235,7 +248,7 @@ void omap_set_dma_transfer_params(int lch, int data_type, int elem_count, p->dma_write(ccr, CCR2, lch); } - if (cpu_class_is_omap2() && dma_trigger) { + if (dma_omap2plus() && dma_trigger) { u32 val; val = p->dma_read(CCR, lch); @@ -275,7 +288,7 @@ void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode, u32 color) { BUG_ON(omap_dma_in_1510_mode()); - if (cpu_class_is_omap1()) { + if (dma_omap1()) { u16 w; w = p->dma_read(CCR2, lch); @@ -305,7 +318,7 @@ void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode, u32 color) p->dma_write(w, LCH_CTRL, lch); } - if (cpu_class_is_omap2()) { + if (dma_omap2plus()) { u32 val; val = p->dma_read(CCR, lch); @@ -333,7 +346,7 @@ EXPORT_SYMBOL(omap_set_dma_color_mode); void omap_set_dma_write_mode(int lch, enum omap_dma_write_mode mode) { - if (cpu_class_is_omap2()) { + if (dma_omap2plus()) { u32 csdp; csdp = p->dma_read(CSDP, lch); @@ -346,7 +359,7 @@ EXPORT_SYMBOL(omap_set_dma_write_mode); void omap_set_dma_channel_mode(int lch, enum omap_dma_channel_mode mode) { - if (cpu_class_is_omap1() && !cpu_is_omap15xx()) { + if (dma_omap1() && !dma_omap15xx()) { u32 l; l = p->dma_read(LCH_CTRL, lch); @@ -364,7 +377,7 @@ void omap_set_dma_src_params(int lch, int src_port, int src_amode, { u32 l; - if (cpu_class_is_omap1()) { + if (dma_omap1()) { u16 w; w = p->dma_read(CSDP, lch); @@ -406,7 +419,7 @@ EXPORT_SYMBOL(omap_set_dma_params); void omap_set_dma_src_index(int lch, int eidx, int fidx) { - if (cpu_class_is_omap2()) + if (dma_omap2plus()) return; p->dma_write(eidx, CSEI, lch); @@ -438,13 +451,13 @@ void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) case OMAP_DMA_DATA_BURST_DIS: break; case OMAP_DMA_DATA_BURST_4: - if (cpu_class_is_omap2()) + if (dma_omap2plus()) burst = 0x1; else burst = 0x2; break; case OMAP_DMA_DATA_BURST_8: - if (cpu_class_is_omap2()) { + if (dma_omap2plus()) { burst = 0x2; break; } @@ -454,7 +467,7 @@ void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) * fall through */ case OMAP_DMA_DATA_BURST_16: - if (cpu_class_is_omap2()) { + if (dma_omap2plus()) { burst = 0x3; break; } @@ -478,7 +491,7 @@ void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode, { u32 l; - if (cpu_class_is_omap1()) { + if (dma_omap1()) { l = p->dma_read(CSDP, lch); l &= ~(0x1f << 9); l |= dest_port << 9; @@ -499,7 +512,7 @@ EXPORT_SYMBOL(omap_set_dma_dest_params); void omap_set_dma_dest_index(int lch, int eidx, int fidx) { - if (cpu_class_is_omap2()) + if (dma_omap2plus()) return; p->dma_write(eidx, CDEI, lch); @@ -531,19 +544,19 @@ void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) case OMAP_DMA_DATA_BURST_DIS: break; case OMAP_DMA_DATA_BURST_4: - if (cpu_class_is_omap2()) + if (dma_omap2plus()) burst = 0x1; else burst = 0x2; break; case OMAP_DMA_DATA_BURST_8: - if (cpu_class_is_omap2()) + if (dma_omap2plus()) burst = 0x2; else burst = 0x3; break; case OMAP_DMA_DATA_BURST_16: - if (cpu_class_is_omap2()) { + if (dma_omap2plus()) { burst = 0x3; break; } @@ -563,22 +576,25 @@ EXPORT_SYMBOL(omap_set_dma_dest_burst_mode); static inline void omap_enable_channel_irq(int lch) { - u32 status; - /* Clear CSR */ - if (cpu_class_is_omap1()) - status = p->dma_read(CSR, lch); - else if (cpu_class_is_omap2()) + if (dma_omap1()) + p->dma_read(CSR, lch); + else p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, lch); /* Enable some nice interrupts. */ p->dma_write(dma_chan[lch].enabled_irqs, CICR, lch); } -static void omap_disable_channel_irq(int lch) +static inline void omap_disable_channel_irq(int lch) { - if (cpu_class_is_omap2()) - p->dma_write(0, CICR, lch); + /* disable channel interrupts */ + p->dma_write(0, CICR, lch); + /* Clear CSR */ + if (dma_omap1()) + p->dma_read(CSR, lch); + else + p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, lch); } void omap_enable_dma_irq(int lch, u16 bits) @@ -599,7 +615,7 @@ static inline void enable_lnk(int lch) l = p->dma_read(CLNK_CTRL, lch); - if (cpu_class_is_omap1()) + if (dma_omap1()) l &= ~(1 << 14); /* Set the ENABLE_LNK bits */ @@ -607,7 +623,7 @@ static inline void enable_lnk(int lch) l = dma_chan[lch].next_lch | (1 << 15); #ifndef CONFIG_ARCH_OMAP1 - if (cpu_class_is_omap2()) + if (dma_omap2plus()) if (dma_chan[lch].next_linked_ch != -1) l = dma_chan[lch].next_linked_ch | (1 << 15); #endif @@ -622,14 +638,14 @@ static inline void disable_lnk(int lch) l = p->dma_read(CLNK_CTRL, lch); /* Disable interrupts */ - if (cpu_class_is_omap1()) { - p->dma_write(0, CICR, lch); + omap_disable_channel_irq(lch); + + if (dma_omap1()) { /* Set the STOP_LNK bit */ l |= 1 << 14; } - if (cpu_class_is_omap2()) { - omap_disable_channel_irq(lch); + if (dma_omap2plus()) { /* Clear the ENABLE_LNK bit */ l &= ~(1 << 15); } @@ -643,10 +659,13 @@ static inline void omap2_enable_irq_lch(int lch) u32 val; unsigned long flags; - if (!cpu_class_is_omap2()) + if (dma_omap1()) return; spin_lock_irqsave(&dma_chan_lock, flags); + /* clear IRQ STATUS */ + p->dma_write(1 << lch, IRQSTATUS_L0, lch); + /* Enable interrupt */ val = p->dma_read(IRQENABLE_L0, lch); val |= 1 << lch; p->dma_write(val, IRQENABLE_L0, lch); @@ -658,13 +677,16 @@ static inline void omap2_disable_irq_lch(int lch) u32 val; unsigned long flags; - if (!cpu_class_is_omap2()) + if (dma_omap1()) return; spin_lock_irqsave(&dma_chan_lock, flags); + /* Disable interrupt */ val = p->dma_read(IRQENABLE_L0, lch); val &= ~(1 << lch); p->dma_write(val, IRQENABLE_L0, lch); + /* clear IRQ STATUS */ + p->dma_write(1 << lch, IRQSTATUS_L0, lch); spin_unlock_irqrestore(&dma_chan_lock, flags); } @@ -680,8 +702,8 @@ int omap_request_dma(int dev_id, const char *dev_name, for (ch = 0; ch < dma_chan_count; ch++) { if (free_ch == -1 && dma_chan[ch].dev_id == -1) { free_ch = ch; - if (dev_id == 0) - break; + /* Exit after first free channel found */ + break; } } if (free_ch == -1) { @@ -694,7 +716,7 @@ int omap_request_dma(int dev_id, const char *dev_name, if (p->clear_lch_regs) p->clear_lch_regs(free_ch); - if (cpu_class_is_omap2()) + if (dma_omap2plus()) omap_clear_dma(free_ch); spin_unlock_irqrestore(&dma_chan_lock, flags); @@ -705,7 +727,7 @@ int omap_request_dma(int dev_id, const char *dev_name, chan->flags = 0; #ifndef CONFIG_ARCH_OMAP1 - if (cpu_class_is_omap2()) { + if (dma_omap2plus()) { chan->chain_id = -1; chan->next_linked_ch = -1; } @@ -713,13 +735,13 @@ int omap_request_dma(int dev_id, const char *dev_name, chan->enabled_irqs = OMAP_DMA_DROP_IRQ | OMAP_DMA_BLOCK_IRQ; - if (cpu_class_is_omap1()) + if (dma_omap1()) chan->enabled_irqs |= OMAP1_DMA_TOUT_IRQ; - else if (cpu_class_is_omap2()) + else if (dma_omap2plus()) chan->enabled_irqs |= OMAP2_DMA_MISALIGNED_ERR_IRQ | OMAP2_DMA_TRANS_ERR_IRQ; - if (cpu_is_omap16xx()) { + if (dma_omap16xx()) { /* If the sync device is set, configure it dynamically. */ if (dev_id != 0) { set_gdma_dev(free_ch + 1, dev_id); @@ -730,16 +752,13 @@ int omap_request_dma(int dev_id, const char *dev_name, * id. */ p->dma_write(dev_id | (1 << 10), CCR, free_ch); - } else if (cpu_is_omap7xx() || cpu_is_omap15xx()) { + } else if (dma_omap1()) { p->dma_write(dev_id, CCR, free_ch); } - if (cpu_class_is_omap2()) { - omap2_enable_irq_lch(free_ch); + if (dma_omap2plus()) { omap_enable_channel_irq(free_ch); - /* Clear the CSR register and IRQ status register */ - p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, free_ch); - p->dma_write(1 << free_ch, IRQSTATUS_L0, 0); + omap2_enable_irq_lch(free_ch); } *dma_ch_out = free_ch; @@ -758,27 +777,19 @@ void omap_free_dma(int lch) return; } - if (cpu_class_is_omap1()) { - /* Disable all DMA interrupts for the channel. */ - p->dma_write(0, CICR, lch); - /* Make sure the DMA transfer is stopped. */ - p->dma_write(0, CCR, lch); - } - - if (cpu_class_is_omap2()) { + /* Disable interrupt for logical channel */ + if (dma_omap2plus()) omap2_disable_irq_lch(lch); - /* Clear the CSR register and IRQ status register */ - p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, lch); - p->dma_write(1 << lch, IRQSTATUS_L0, lch); + /* Disable all DMA interrupts for the channel. */ + omap_disable_channel_irq(lch); - /* Disable all DMA interrupts for the channel. */ - p->dma_write(0, CICR, lch); + /* Make sure the DMA transfer is stopped. */ + p->dma_write(0, CCR, lch); - /* Make sure the DMA transfer is stopped. */ - p->dma_write(0, CCR, lch); + /* Clear registers */ + if (dma_omap2plus()) omap_clear_dma(lch); - } spin_lock_irqsave(&dma_chan_lock, flags); dma_chan[lch].dev_id = -1; @@ -803,7 +814,7 @@ omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams) { u32 reg; - if (!cpu_class_is_omap2()) { + if (dma_omap1()) { printk(KERN_ERR "FIXME: no %s on 15xx/16xx\n", __func__); return; } @@ -842,7 +853,7 @@ omap_dma_set_prio_lch(int lch, unsigned char read_prio, } l = p->dma_read(CCR, lch); l &= ~((1 << 6) | (1 << 26)); - if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) + if (d->dev_caps & IS_RW_PRIORITY) l |= ((read_prio & 0x1) << 6) | ((write_prio & 0x1) << 26); else l |= ((read_prio & 0x1) << 6); @@ -875,20 +886,21 @@ void omap_start_dma(int lch) * The CPC/CDAC register needs to be initialized to zero * before starting dma transfer. */ - if (cpu_is_omap15xx()) + if (dma_omap15xx()) p->dma_write(0, CPC, lch); else p->dma_write(0, CDAC, lch); if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) { int next_lch, cur_lch; - char dma_chan_link_map[dma_lch_count]; + char dma_chan_link_map[MAX_LOGICAL_DMA_CH_COUNT]; - dma_chan_link_map[lch] = 1; /* Set the link register of the first channel */ enable_lnk(lch); memset(dma_chan_link_map, 0, sizeof(dma_chan_link_map)); + dma_chan_link_map[lch] = 1; + cur_lch = dma_chan[lch].next_lch; do { next_lch = dma_chan[cur_lch].next_lch; @@ -915,6 +927,13 @@ void omap_start_dma(int lch) l |= OMAP_DMA_CCR_BUFFERING_DISABLE; l |= OMAP_DMA_CCR_EN; + /* + * As dma_write() uses IO accessors which are weakly ordered, there + * is no guarantee that data in coherent DMA memory will be visible + * to the DMA device. Add a memory barrier here to ensure that any + * such data is visible prior to enabling DMA. + */ + mb(); p->dma_write(l, CCR, lch); dma_chan[lch].flags |= OMAP_DMA_ACTIVE; @@ -926,8 +945,7 @@ void omap_stop_dma(int lch) u32 l; /* Disable all interrupts on the channel */ - if (cpu_class_is_omap1()) - p->dma_write(0, CICR, lch); + omap_disable_channel_irq(lch); l = p->dma_read(CCR, lch); if (IS_DMA_ERRATA(DMA_ERRATA_i541) && @@ -955,8 +973,7 @@ void omap_stop_dma(int lch) l = p->dma_read(CCR, lch); } if (i >= 100) - printk(KERN_ERR "DMA drain did not complete on " - "lch %d\n", lch); + pr_err("DMA drain did not complete on lch %d\n", lch); /* Restore OCP_SYSCONFIG */ p->dma_write(sys_cf, OCP_SYSCONFIG, lch); } else { @@ -964,9 +981,16 @@ void omap_stop_dma(int lch) p->dma_write(l, CCR, lch); } + /* + * Ensure that data transferred by DMA is visible to any access + * after DMA has been disabled. This is important for coherent + * DMA regions. + */ + mb(); + if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) { int next_lch, cur_lch = lch; - char dma_chan_link_map[dma_lch_count]; + char dma_chan_link_map[MAX_LOGICAL_DMA_CH_COUNT]; memset(dma_chan_link_map, 0, sizeof(dma_chan_link_map)); do { @@ -1019,14 +1043,14 @@ EXPORT_SYMBOL(omap_set_dma_callback); * If the channel is running the caller must disable interrupts prior calling * this function and process the returned value before re-enabling interrupt to * prevent races with the interrupt handler. Note that in continuous mode there - * is a chance for CSSA_L register overflow inbetween the two reads resulting + * is a chance for CSSA_L register overflow between the two reads resulting * in incorrect return value. */ dma_addr_t omap_get_dma_src_pos(int lch) { dma_addr_t offset = 0; - if (cpu_is_omap15xx()) + if (dma_omap15xx()) offset = p->dma_read(CPC, lch); else offset = p->dma_read(CSAC, lch); @@ -1034,7 +1058,19 @@ dma_addr_t omap_get_dma_src_pos(int lch) if (IS_DMA_ERRATA(DMA_ERRATA_3_3) && offset == 0) offset = p->dma_read(CSAC, lch); - if (cpu_class_is_omap1()) + if (!dma_omap15xx()) { + /* + * CDAC == 0 indicates that the DMA transfer on the channel has + * not been started (no data has been transferred so far). + * Return the programmed source start address in this case. + */ + if (likely(p->dma_read(CDAC, lch))) + offset = p->dma_read(CSAC, lch); + else + offset = p->dma_read(CSSA, lch); + } + + if (dma_omap1()) offset |= (p->dma_read(CSSA, lch) & 0xFFFF0000); return offset; @@ -1046,14 +1082,14 @@ EXPORT_SYMBOL(omap_get_dma_src_pos); * If the channel is running the caller must disable interrupts prior calling * this function and process the returned value before re-enabling interrupt to * prevent races with the interrupt handler. Note that in continuous mode there - * is a chance for CDSA_L register overflow inbetween the two reads resulting + * is a chance for CDSA_L register overflow between the two reads resulting * in incorrect return value. */ dma_addr_t omap_get_dma_dst_pos(int lch) { dma_addr_t offset = 0; - if (cpu_is_omap15xx()) + if (dma_omap15xx()) offset = p->dma_read(CPC, lch); else offset = p->dma_read(CDAC, lch); @@ -1062,10 +1098,18 @@ dma_addr_t omap_get_dma_dst_pos(int lch) * omap 3.2/3.3 erratum: sometimes 0 is returned if CSAC/CDAC is * read before the DMA controller finished disabling the channel. */ - if (!cpu_is_omap15xx() && offset == 0) + if (!dma_omap15xx() && offset == 0) { offset = p->dma_read(CDAC, lch); + /* + * CDAC == 0 indicates that the DMA transfer on the channel has + * not been started (no data has been transferred so far). + * Return the programmed destination start address in this case. + */ + if (unlikely(!offset)) + offset = p->dma_read(CDSA, lch); + } - if (cpu_class_is_omap1()) + if (dma_omap1()) offset |= (p->dma_read(CDSA, lch) & 0xFFFF0000); return offset; @@ -1082,7 +1126,7 @@ int omap_dma_running(void) { int lch; - if (cpu_class_is_omap1()) + if (dma_omap1()) if (omap_lcd_dma_running()) return 1; @@ -1113,8 +1157,7 @@ void omap_dma_link_lch(int lch_head, int lch_queue) if ((dma_chan[lch_head].dev_id == -1) || (dma_chan[lch_queue].dev_id == -1)) { - printk(KERN_ERR "omap_dma: trying to link " - "non requested channels\n"); + pr_err("omap_dma: trying to link non requested channels\n"); dump_stack(); } @@ -1140,15 +1183,13 @@ void omap_dma_unlink_lch(int lch_head, int lch_queue) if (dma_chan[lch_head].next_lch != lch_queue || dma_chan[lch_head].next_lch == -1) { - printk(KERN_ERR "omap_dma: trying to unlink " - "non linked channels\n"); + pr_err("omap_dma: trying to unlink non linked channels\n"); dump_stack(); } if ((dma_chan[lch_head].flags & OMAP_DMA_ACTIVE) || (dma_chan[lch_queue].flags & OMAP_DMA_ACTIVE)) { - printk(KERN_ERR "omap_dma: You need to stop the DMA channels " - "before unlinking\n"); + pr_err("omap_dma: You need to stop the DMA channels before unlinking\n"); dump_stack(); } @@ -1790,16 +1831,15 @@ static int omap1_dma_handle_ch(int ch) if ((csr & 0x3f) == 0) return 0; if (unlikely(dma_chan[ch].dev_id == -1)) { - printk(KERN_WARNING "Spurious interrupt from DMA channel " - "%d (CSR %04x)\n", ch, csr); + pr_warn("Spurious interrupt from DMA channel %d (CSR %04x)\n", + ch, csr); return 0; } if (unlikely(csr & OMAP1_DMA_TOUT_IRQ)) - printk(KERN_WARNING "DMA timeout with device %d\n", - dma_chan[ch].dev_id); + pr_warn("DMA timeout with device %d\n", dma_chan[ch].dev_id); if (unlikely(csr & OMAP_DMA_DROP_IRQ)) - printk(KERN_WARNING "DMA synchronization event drop occurred " - "with device %d\n", dma_chan[ch].dev_id); + pr_warn("DMA synchronization event drop occurred with device %d\n", + dma_chan[ch].dev_id); if (likely(csr & OMAP_DMA_BLOCK_IRQ)) dma_chan[ch].flags &= ~OMAP_DMA_ACTIVE; if (likely(dma_chan[ch].callback != NULL)) @@ -1839,21 +1879,19 @@ static int omap2_dma_handle_ch(int ch) if (!status) { if (printk_ratelimit()) - printk(KERN_WARNING "Spurious DMA IRQ for lch %d\n", - ch); + pr_warn("Spurious DMA IRQ for lch %d\n", ch); p->dma_write(1 << ch, IRQSTATUS_L0, ch); return 0; } if (unlikely(dma_chan[ch].dev_id == -1)) { if (printk_ratelimit()) - printk(KERN_WARNING "IRQ %04x for non-allocated DMA" - "channel %d\n", status, ch); + pr_warn("IRQ %04x for non-allocated DMA channel %d\n", + status, ch); return 0; } if (unlikely(status & OMAP_DMA_DROP_IRQ)) - printk(KERN_INFO - "DMA synchronization event drop occurred with device " - "%d\n", dma_chan[ch].dev_id); + pr_info("DMA synchronization event drop occurred with device %d\n", + dma_chan[ch].dev_id); if (unlikely(status & OMAP2_DMA_TRANS_ERR_IRQ)) { printk(KERN_INFO "DMA transaction error with device %d\n", dma_chan[ch].dev_id); @@ -1928,7 +1966,6 @@ static irqreturn_t omap2_dma_irq_handler(int irq, void *dev_id) static struct irqaction omap24xx_dma_irq = { .name = "DMA", .handler = omap2_dma_irq_handler, - .flags = IRQF_DISABLED }; #else @@ -1937,10 +1974,17 @@ static struct irqaction omap24xx_dma_irq; /*----------------------------------------------------------------------------*/ +/* + * Note that we are currently using only IRQENABLE_L0 and L1. + * As the DSP may be using IRQENABLE_L2 and L3, let's not + * touch those for now. + */ void omap_dma_global_context_save(void) { omap_dma_global_context.dma_irqenable_l0 = p->dma_read(IRQENABLE_L0, 0); + omap_dma_global_context.dma_irqenable_l1 = + p->dma_read(IRQENABLE_L1, 0); omap_dma_global_context.dma_ocp_sysconfig = p->dma_read(OCP_SYSCONFIG, 0); omap_dma_global_context.dma_gcr = p->dma_read(GCR, 0); @@ -1955,6 +1999,8 @@ void omap_dma_global_context_restore(void) OCP_SYSCONFIG, 0); p->dma_write(omap_dma_global_context.dma_irqenable_l0, IRQENABLE_L0, 0); + p->dma_write(omap_dma_global_context.dma_irqenable_l1, + IRQENABLE_L1, 0); if (IS_DMA_ERRATA(DMA_ROMCODE_BUG)) p->dma_write(0x3 , IRQSTATUS_L0, 0); @@ -1964,7 +2010,13 @@ void omap_dma_global_context_restore(void) omap_clear_dma(ch); } -static int __devinit omap_system_dma_probe(struct platform_device *pdev) +struct omap_system_dma_plat_info *omap_get_plat_info(void) +{ + return p; +} +EXPORT_SYMBOL_GPL(omap_get_plat_info); + +static int omap_system_dma_probe(struct platform_device *pdev) { int ch, ret = 0; int dma_irq; @@ -1973,8 +2025,9 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev) p = pdev->dev.platform_data; if (!p) { - dev_err(&pdev->dev, "%s: System DMA initialized without" - "platform data\n", __func__); + dev_err(&pdev->dev, + "%s: System DMA initialized without platform data\n", + __func__); return -EINVAL; } @@ -1982,15 +2035,22 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev) errata = p->errata; if ((d->dev_caps & RESERVE_CHANNEL) && omap_dma_reserve_channels - && (omap_dma_reserve_channels <= dma_lch_count)) + && (omap_dma_reserve_channels < d->lch_count)) d->lch_count = omap_dma_reserve_channels; dma_lch_count = d->lch_count; dma_chan_count = dma_lch_count; - dma_chan = d->chan; enable_1510_mode = d->dev_caps & ENABLE_1510_MODE; - if (cpu_class_is_omap2()) { + dma_chan = devm_kcalloc(&pdev->dev, dma_lch_count, + sizeof(struct omap_dma_lch), GFP_KERNEL); + if (!dma_chan) { + dev_err(&pdev->dev, "%s: kzalloc fail\n", __func__); + return -ENOMEM; + } + + + if (dma_omap2plus()) { dma_linked_lch = kzalloc(sizeof(struct dma_link_info) * dma_lch_count, GFP_KERNEL); if (!dma_linked_lch) { @@ -2002,7 +2062,7 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev) spin_lock_init(&dma_chan_lock); for (ch = 0; ch < dma_chan_count; ch++) { omap_clear_dma(ch); - if (cpu_class_is_omap2()) + if (dma_omap2plus()) omap2_disable_irq_lch(ch); dma_chan[ch].dev_id = -1; @@ -2011,7 +2071,7 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev) if (ch >= 6 && enable_1510_mode) continue; - if (cpu_class_is_omap1()) { + if (dma_omap1()) { /* * request_irq() doesn't like dev_id (ie. ch) being * zero, so we have to kludge around this. @@ -2036,30 +2096,29 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev) } } - if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) + if (d->dev_caps & IS_RW_PRIORITY) omap_dma_set_global_params(DMA_DEFAULT_ARB_RATE, DMA_DEFAULT_FIFO_DEPTH, 0); - if (cpu_class_is_omap2()) { + if (dma_omap2plus()) { strcpy(irq_name, "0"); dma_irq = platform_get_irq_byname(pdev, irq_name); if (dma_irq < 0) { dev_err(&pdev->dev, "failed: request IRQ %d", dma_irq); + ret = dma_irq; goto exit_dma_lch_fail; } ret = setup_irq(dma_irq, &omap24xx_dma_irq); if (ret) { - dev_err(&pdev->dev, "set_up failed for IRQ %d" - "for DMA (error %d)\n", dma_irq, ret); + dev_err(&pdev->dev, "set_up failed for IRQ %d for DMA (error %d)\n", + dma_irq, ret); goto exit_dma_lch_fail; } } - /* reserve dma channels 0 and 1 in high security devices */ - if (cpu_is_omap34xx() && - (omap_type() != OMAP2_DEVICE_TYPE_GP)) { - printk(KERN_INFO "Reserving DMA channels 0 and 1 for " - "HS ROM code\n"); + /* reserve dma channels 0 and 1 in high security devices on 34xx */ + if (d->dev_caps & HS_CHANNELS_RESERVED) { + pr_info("Reserving DMA channels 0 and 1 for HS ROM code\n"); dma_chan[0].dev_id = 0; dma_chan[1].dev_id = 1; } @@ -2067,25 +2126,22 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev) return 0; exit_dma_irq_fail: - dev_err(&pdev->dev, "unable to request IRQ %d" - "for DMA (error %d)\n", dma_irq, ret); + dev_err(&pdev->dev, "unable to request IRQ %d for DMA (error %d)\n", + dma_irq, ret); for (irq_rel = 0; irq_rel < ch; irq_rel++) { dma_irq = platform_get_irq(pdev, irq_rel); free_irq(dma_irq, (void *)(irq_rel + 1)); } exit_dma_lch_fail: - kfree(p); - kfree(d); - kfree(dma_chan); return ret; } -static int __devexit omap_system_dma_remove(struct platform_device *pdev) +static int omap_system_dma_remove(struct platform_device *pdev) { int dma_irq; - if (cpu_class_is_omap2()) { + if (dma_omap2plus()) { char irq_name[4]; strcpy(irq_name, "0"); dma_irq = platform_get_irq_byname(pdev, irq_name); @@ -2097,9 +2153,6 @@ static int __devexit omap_system_dma_remove(struct platform_device *pdev) free_irq(dma_irq, (void *)(irq_rel + 1)); } } - kfree(p); - kfree(d); - kfree(dma_chan); return 0; } diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 1d706cf63ca..db10169a08d 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -3,6 +3,12 @@ * * OMAP Dual-Mode Timers * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * Tarun Kanti DebBarma <tarun.kanti@ti.com> + * Thara Gopinath <thara@ti.com> + * + * dmtimer adaptation to platform_driver. + * * Copyright (C) 2005 Nokia Corporation * OMAP2 support by Juha Yrjola * API improvements and OMAP2 clock framework support by Timo Teras @@ -29,461 +35,367 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/init.h> -#include <linux/spinlock.h> -#include <linux/errno.h> -#include <linux/list.h> #include <linux/clk.h> -#include <linux/delay.h> -#include <linux/io.h> #include <linux/module.h> -#include <mach/hardware.h> -#include <plat/dmtimer.h> -#include <mach/irqs.h> - -/* register offsets */ -#define _OMAP_TIMER_ID_OFFSET 0x00 -#define _OMAP_TIMER_OCP_CFG_OFFSET 0x10 -#define _OMAP_TIMER_SYS_STAT_OFFSET 0x14 -#define _OMAP_TIMER_STAT_OFFSET 0x18 -#define _OMAP_TIMER_INT_EN_OFFSET 0x1c -#define _OMAP_TIMER_WAKEUP_EN_OFFSET 0x20 -#define _OMAP_TIMER_CTRL_OFFSET 0x24 -#define OMAP_TIMER_CTRL_GPOCFG (1 << 14) -#define OMAP_TIMER_CTRL_CAPTMODE (1 << 13) -#define OMAP_TIMER_CTRL_PT (1 << 12) -#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH (0x1 << 8) -#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW (0x2 << 8) -#define OMAP_TIMER_CTRL_TCM_BOTHEDGES (0x3 << 8) -#define OMAP_TIMER_CTRL_SCPWM (1 << 7) -#define OMAP_TIMER_CTRL_CE (1 << 6) /* compare enable */ -#define OMAP_TIMER_CTRL_PRE (1 << 5) /* prescaler enable */ -#define OMAP_TIMER_CTRL_PTV_SHIFT 2 /* prescaler value shift */ -#define OMAP_TIMER_CTRL_POSTED (1 << 2) -#define OMAP_TIMER_CTRL_AR (1 << 1) /* auto-reload enable */ -#define OMAP_TIMER_CTRL_ST (1 << 0) /* start timer */ -#define _OMAP_TIMER_COUNTER_OFFSET 0x28 -#define _OMAP_TIMER_LOAD_OFFSET 0x2c -#define _OMAP_TIMER_TRIGGER_OFFSET 0x30 -#define _OMAP_TIMER_WRITE_PEND_OFFSET 0x34 -#define WP_NONE 0 /* no write pending bit */ -#define WP_TCLR (1 << 0) -#define WP_TCRR (1 << 1) -#define WP_TLDR (1 << 2) -#define WP_TTGR (1 << 3) -#define WP_TMAR (1 << 4) -#define WP_TPIR (1 << 5) -#define WP_TNIR (1 << 6) -#define WP_TCVR (1 << 7) -#define WP_TOCR (1 << 8) -#define WP_TOWR (1 << 9) -#define _OMAP_TIMER_MATCH_OFFSET 0x38 -#define _OMAP_TIMER_CAPTURE_OFFSET 0x3c -#define _OMAP_TIMER_IF_CTRL_OFFSET 0x40 -#define _OMAP_TIMER_CAPTURE2_OFFSET 0x44 /* TCAR2, 34xx only */ -#define _OMAP_TIMER_TICK_POS_OFFSET 0x48 /* TPIR, 34xx only */ -#define _OMAP_TIMER_TICK_NEG_OFFSET 0x4c /* TNIR, 34xx only */ -#define _OMAP_TIMER_TICK_COUNT_OFFSET 0x50 /* TCVR, 34xx only */ -#define _OMAP_TIMER_TICK_INT_MASK_SET_OFFSET 0x54 /* TOCR, 34xx only */ -#define _OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET 0x58 /* TOWR, 34xx only */ - -/* register offsets with the write pending bit encoded */ -#define WPSHIFT 16 - -#define OMAP_TIMER_ID_REG (_OMAP_TIMER_ID_OFFSET \ - | (WP_NONE << WPSHIFT)) - -#define OMAP_TIMER_OCP_CFG_REG (_OMAP_TIMER_OCP_CFG_OFFSET \ - | (WP_NONE << WPSHIFT)) - -#define OMAP_TIMER_SYS_STAT_REG (_OMAP_TIMER_SYS_STAT_OFFSET \ - | (WP_NONE << WPSHIFT)) - -#define OMAP_TIMER_STAT_REG (_OMAP_TIMER_STAT_OFFSET \ - | (WP_NONE << WPSHIFT)) - -#define OMAP_TIMER_INT_EN_REG (_OMAP_TIMER_INT_EN_OFFSET \ - | (WP_NONE << WPSHIFT)) - -#define OMAP_TIMER_WAKEUP_EN_REG (_OMAP_TIMER_WAKEUP_EN_OFFSET \ - | (WP_NONE << WPSHIFT)) - -#define OMAP_TIMER_CTRL_REG (_OMAP_TIMER_CTRL_OFFSET \ - | (WP_TCLR << WPSHIFT)) - -#define OMAP_TIMER_COUNTER_REG (_OMAP_TIMER_COUNTER_OFFSET \ - | (WP_TCRR << WPSHIFT)) - -#define OMAP_TIMER_LOAD_REG (_OMAP_TIMER_LOAD_OFFSET \ - | (WP_TLDR << WPSHIFT)) - -#define OMAP_TIMER_TRIGGER_REG (_OMAP_TIMER_TRIGGER_OFFSET \ - | (WP_TTGR << WPSHIFT)) - -#define OMAP_TIMER_WRITE_PEND_REG (_OMAP_TIMER_WRITE_PEND_OFFSET \ - | (WP_NONE << WPSHIFT)) - -#define OMAP_TIMER_MATCH_REG (_OMAP_TIMER_MATCH_OFFSET \ - | (WP_TMAR << WPSHIFT)) - -#define OMAP_TIMER_CAPTURE_REG (_OMAP_TIMER_CAPTURE_OFFSET \ - | (WP_NONE << WPSHIFT)) - -#define OMAP_TIMER_IF_CTRL_REG (_OMAP_TIMER_IF_CTRL_OFFSET \ - | (WP_NONE << WPSHIFT)) - -#define OMAP_TIMER_CAPTURE2_REG (_OMAP_TIMER_CAPTURE2_OFFSET \ - | (WP_NONE << WPSHIFT)) - -#define OMAP_TIMER_TICK_POS_REG (_OMAP_TIMER_TICK_POS_OFFSET \ - | (WP_TPIR << WPSHIFT)) - -#define OMAP_TIMER_TICK_NEG_REG (_OMAP_TIMER_TICK_NEG_OFFSET \ - | (WP_TNIR << WPSHIFT)) - -#define OMAP_TIMER_TICK_COUNT_REG (_OMAP_TIMER_TICK_COUNT_OFFSET \ - | (WP_TCVR << WPSHIFT)) - -#define OMAP_TIMER_TICK_INT_MASK_SET_REG \ - (_OMAP_TIMER_TICK_INT_MASK_SET_OFFSET | (WP_TOCR << WPSHIFT)) - -#define OMAP_TIMER_TICK_INT_MASK_COUNT_REG \ - (_OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET | (WP_TOWR << WPSHIFT)) - -struct omap_dm_timer { - unsigned long phys_base; - int irq; -#ifdef CONFIG_ARCH_OMAP2PLUS - struct clk *iclk, *fclk; -#endif - void __iomem *io_base; - unsigned reserved:1; - unsigned enabled:1; - unsigned posted:1; -}; - -static int dm_timer_count; - -#ifdef CONFIG_ARCH_OMAP1 -static struct omap_dm_timer omap1_dm_timers[] = { - { .phys_base = 0xfffb1400, .irq = INT_1610_GPTIMER1 }, - { .phys_base = 0xfffb1c00, .irq = INT_1610_GPTIMER2 }, - { .phys_base = 0xfffb2400, .irq = INT_1610_GPTIMER3 }, - { .phys_base = 0xfffb2c00, .irq = INT_1610_GPTIMER4 }, - { .phys_base = 0xfffb3400, .irq = INT_1610_GPTIMER5 }, - { .phys_base = 0xfffb3c00, .irq = INT_1610_GPTIMER6 }, - { .phys_base = 0xfffb7400, .irq = INT_1610_GPTIMER7 }, - { .phys_base = 0xfffbd400, .irq = INT_1610_GPTIMER8 }, -}; - -static const int omap1_dm_timer_count = ARRAY_SIZE(omap1_dm_timers); - -#else -#define omap1_dm_timers NULL -#define omap1_dm_timer_count 0 -#endif /* CONFIG_ARCH_OMAP1 */ - -#ifdef CONFIG_ARCH_OMAP2 -static struct omap_dm_timer omap2_dm_timers[] = { - { .phys_base = 0x48028000, .irq = INT_24XX_GPTIMER1 }, - { .phys_base = 0x4802a000, .irq = INT_24XX_GPTIMER2 }, - { .phys_base = 0x48078000, .irq = INT_24XX_GPTIMER3 }, - { .phys_base = 0x4807a000, .irq = INT_24XX_GPTIMER4 }, - { .phys_base = 0x4807c000, .irq = INT_24XX_GPTIMER5 }, - { .phys_base = 0x4807e000, .irq = INT_24XX_GPTIMER6 }, - { .phys_base = 0x48080000, .irq = INT_24XX_GPTIMER7 }, - { .phys_base = 0x48082000, .irq = INT_24XX_GPTIMER8 }, - { .phys_base = 0x48084000, .irq = INT_24XX_GPTIMER9 }, - { .phys_base = 0x48086000, .irq = INT_24XX_GPTIMER10 }, - { .phys_base = 0x48088000, .irq = INT_24XX_GPTIMER11 }, - { .phys_base = 0x4808a000, .irq = INT_24XX_GPTIMER12 }, -}; - -static const char *omap2_dm_source_names[] __initdata = { - "sys_ck", - "func_32k_ck", - "alt_ck", - NULL -}; - -static struct clk *omap2_dm_source_clocks[3]; -static const int omap2_dm_timer_count = ARRAY_SIZE(omap2_dm_timers); - -#else -#define omap2_dm_timers NULL -#define omap2_dm_timer_count 0 -#define omap2_dm_source_names NULL -#define omap2_dm_source_clocks NULL -#endif /* CONFIG_ARCH_OMAP2 */ - -#ifdef CONFIG_ARCH_OMAP3 -static struct omap_dm_timer omap3_dm_timers[] = { - { .phys_base = 0x48318000, .irq = INT_24XX_GPTIMER1 }, - { .phys_base = 0x49032000, .irq = INT_24XX_GPTIMER2 }, - { .phys_base = 0x49034000, .irq = INT_24XX_GPTIMER3 }, - { .phys_base = 0x49036000, .irq = INT_24XX_GPTIMER4 }, - { .phys_base = 0x49038000, .irq = INT_24XX_GPTIMER5 }, - { .phys_base = 0x4903A000, .irq = INT_24XX_GPTIMER6 }, - { .phys_base = 0x4903C000, .irq = INT_24XX_GPTIMER7 }, - { .phys_base = 0x4903E000, .irq = INT_24XX_GPTIMER8 }, - { .phys_base = 0x49040000, .irq = INT_24XX_GPTIMER9 }, - { .phys_base = 0x48086000, .irq = INT_24XX_GPTIMER10 }, - { .phys_base = 0x48088000, .irq = INT_24XX_GPTIMER11 }, - { .phys_base = 0x48304000, .irq = INT_34XX_GPT12_IRQ }, -}; +#include <linux/io.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/pm_runtime.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/platform_data/dmtimer-omap.h> -static const char *omap3_dm_source_names[] __initdata = { - "sys_ck", - "omap_32k_fck", - NULL -}; +#include <plat/dmtimer.h> -static struct clk *omap3_dm_source_clocks[2]; -static const int omap3_dm_timer_count = ARRAY_SIZE(omap3_dm_timers); +static u32 omap_reserved_systimers; +static LIST_HEAD(omap_timer_list); +static DEFINE_SPINLOCK(dm_timer_lock); -#else -#define omap3_dm_timers NULL -#define omap3_dm_timer_count 0 -#define omap3_dm_source_names NULL -#define omap3_dm_source_clocks NULL -#endif /* CONFIG_ARCH_OMAP3 */ - -#ifdef CONFIG_ARCH_OMAP4 -static struct omap_dm_timer omap4_dm_timers[] = { - { .phys_base = 0x4a318000, .irq = OMAP44XX_IRQ_GPT1 }, - { .phys_base = 0x48032000, .irq = OMAP44XX_IRQ_GPT2 }, - { .phys_base = 0x48034000, .irq = OMAP44XX_IRQ_GPT3 }, - { .phys_base = 0x48036000, .irq = OMAP44XX_IRQ_GPT4 }, - { .phys_base = 0x40138000, .irq = OMAP44XX_IRQ_GPT5 }, - { .phys_base = 0x4013a000, .irq = OMAP44XX_IRQ_GPT6 }, - { .phys_base = 0x4013a000, .irq = OMAP44XX_IRQ_GPT7 }, - { .phys_base = 0x4013e000, .irq = OMAP44XX_IRQ_GPT8 }, - { .phys_base = 0x4803e000, .irq = OMAP44XX_IRQ_GPT9 }, - { .phys_base = 0x48086000, .irq = OMAP44XX_IRQ_GPT10 }, - { .phys_base = 0x48088000, .irq = OMAP44XX_IRQ_GPT11 }, - { .phys_base = 0x4a320000, .irq = OMAP44XX_IRQ_GPT12 }, +enum { + REQUEST_ANY = 0, + REQUEST_BY_ID, + REQUEST_BY_CAP, + REQUEST_BY_NODE, }; -static const char *omap4_dm_source_names[] __initdata = { - "sys_clkin_ck", - "sys_32k_ck", - NULL -}; -static struct clk *omap4_dm_source_clocks[2]; -static const int omap4_dm_timer_count = ARRAY_SIZE(omap4_dm_timers); - -#else -#define omap4_dm_timers NULL -#define omap4_dm_timer_count 0 -#define omap4_dm_source_names NULL -#define omap4_dm_source_clocks NULL -#endif /* CONFIG_ARCH_OMAP4 */ - -static struct omap_dm_timer *dm_timers; -static const char **dm_source_names; -static struct clk **dm_source_clocks; -static spinlock_t dm_timer_lock; - -/* - * Reads timer registers in posted and non-posted mode. The posted mode bit - * is encoded in reg. Note that in posted mode write pending bit must be - * checked. Otherwise a read of a non completed write will produce an error. +/** + * omap_dm_timer_read_reg - read timer registers in posted and non-posted mode + * @timer: timer pointer over which read operation to perform + * @reg: lowest byte holds the register offset + * + * The posted mode bit is encoded in reg. Note that in posted mode write + * pending bit must be checked. Otherwise a read of a non completed write + * will produce an error. */ static inline u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, u32 reg) { - if (timer->posted) - while (readl(timer->io_base + (OMAP_TIMER_WRITE_PEND_REG & 0xff)) - & (reg >> WPSHIFT)) - cpu_relax(); - return readl(timer->io_base + (reg & 0xff)); + WARN_ON((reg & 0xff) < _OMAP_TIMER_WAKEUP_EN_OFFSET); + return __omap_dm_timer_read(timer, reg, timer->posted); } -/* - * Writes timer registers in posted and non-posted mode. The posted mode bit - * is encoded in reg. Note that in posted mode the write pending bit must be - * checked. Otherwise a write on a register which has a pending write will be - * lost. +/** + * omap_dm_timer_write_reg - write timer registers in posted and non-posted mode + * @timer: timer pointer over which write operation is to perform + * @reg: lowest byte holds the register offset + * @value: data to write into the register + * + * The posted mode bit is encoded in reg. Note that in posted mode the write + * pending bit must be checked. Otherwise a write on a register which has a + * pending write will be lost. */ static void omap_dm_timer_write_reg(struct omap_dm_timer *timer, u32 reg, u32 value) { - if (timer->posted) - while (readl(timer->io_base + (OMAP_TIMER_WRITE_PEND_REG & 0xff)) - & (reg >> WPSHIFT)) - cpu_relax(); - writel(value, timer->io_base + (reg & 0xff)); + WARN_ON((reg & 0xff) < _OMAP_TIMER_WAKEUP_EN_OFFSET); + __omap_dm_timer_write(timer, reg, value, timer->posted); } -static void omap_dm_timer_wait_for_reset(struct omap_dm_timer *timer) +static void omap_timer_restore_context(struct omap_dm_timer *timer) { - int c; - - c = 0; - while (!(omap_dm_timer_read_reg(timer, OMAP_TIMER_SYS_STAT_REG) & 1)) { - c++; - if (c > 100000) { - printk(KERN_ERR "Timer failed to reset\n"); - return; - } - } + omap_dm_timer_write_reg(timer, OMAP_TIMER_WAKEUP_EN_REG, + timer->context.twer); + omap_dm_timer_write_reg(timer, OMAP_TIMER_COUNTER_REG, + timer->context.tcrr); + omap_dm_timer_write_reg(timer, OMAP_TIMER_LOAD_REG, + timer->context.tldr); + omap_dm_timer_write_reg(timer, OMAP_TIMER_MATCH_REG, + timer->context.tmar); + omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, + timer->context.tsicr); + writel_relaxed(timer->context.tier, timer->irq_ena); + omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, + timer->context.tclr); } -static void omap_dm_timer_reset(struct omap_dm_timer *timer) +static int omap_dm_timer_reset(struct omap_dm_timer *timer) { - u32 l; + u32 l, timeout = 100000; - if (!cpu_class_is_omap2() || timer != &dm_timers[0]) { - omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0x06); - omap_dm_timer_wait_for_reset(timer); + if (timer->revision != 1) + return -EINVAL; + + omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0x06); + + do { + l = __omap_dm_timer_read(timer, + OMAP_TIMER_V1_SYS_STAT_OFFSET, 0); + } while (!l && timeout--); + + if (!timeout) { + dev_err(&timer->pdev->dev, "Timer failed to reset\n"); + return -ETIMEDOUT; } - omap_dm_timer_set_source(timer, OMAP_TIMER_SRC_32_KHZ); - l = omap_dm_timer_read_reg(timer, OMAP_TIMER_OCP_CFG_REG); - l |= 0x02 << 3; /* Set to smart-idle mode */ - l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */ + /* Configure timer for smart-idle mode */ + l = __omap_dm_timer_read(timer, OMAP_TIMER_OCP_CFG_OFFSET, 0); + l |= 0x2 << 0x3; + __omap_dm_timer_write(timer, OMAP_TIMER_OCP_CFG_OFFSET, l, 0); + + timer->posted = 0; + + return 0; +} + +static int omap_dm_timer_prepare(struct omap_dm_timer *timer) +{ + int rc; /* - * Enable wake-up on OMAP2 CPUs. + * FIXME: OMAP1 devices do not use the clock framework for dmtimers so + * do not call clk_get() for these devices. */ - if (cpu_class_is_omap2()) - l |= 1 << 2; - omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l); + if (!(timer->capability & OMAP_TIMER_NEEDS_RESET)) { + timer->fclk = clk_get(&timer->pdev->dev, "fck"); + if (WARN_ON_ONCE(IS_ERR(timer->fclk))) { + dev_err(&timer->pdev->dev, ": No fclk handle.\n"); + return -EINVAL; + } + } - /* Match hardware reset default of posted mode */ - omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, - OMAP_TIMER_CTRL_POSTED); - timer->posted = 1; + omap_dm_timer_enable(timer); + + if (timer->capability & OMAP_TIMER_NEEDS_RESET) { + rc = omap_dm_timer_reset(timer); + if (rc) { + omap_dm_timer_disable(timer); + return rc; + } + } + + __omap_dm_timer_enable_posted(timer); + omap_dm_timer_disable(timer); + + return omap_dm_timer_set_source(timer, OMAP_TIMER_SRC_32_KHZ); } -static void omap_dm_timer_prepare(struct omap_dm_timer *timer) +static inline u32 omap_dm_timer_reserved_systimer(int id) { - omap_dm_timer_enable(timer); - omap_dm_timer_reset(timer); + return (omap_reserved_systimers & (1 << (id - 1))) ? 1 : 0; } -struct omap_dm_timer *omap_dm_timer_request(void) +int omap_dm_timer_reserve_systimer(int id) { - struct omap_dm_timer *timer = NULL; + if (omap_dm_timer_reserved_systimer(id)) + return -ENODEV; + + omap_reserved_systimers |= (1 << (id - 1)); + + return 0; +} + +static struct omap_dm_timer *_omap_dm_timer_request(int req_type, void *data) +{ + struct omap_dm_timer *timer = NULL, *t; + struct device_node *np = NULL; unsigned long flags; - int i; + u32 cap = 0; + int id = 0; + + switch (req_type) { + case REQUEST_BY_ID: + id = *(int *)data; + break; + case REQUEST_BY_CAP: + cap = *(u32 *)data; + break; + case REQUEST_BY_NODE: + np = (struct device_node *)data; + break; + default: + /* REQUEST_ANY */ + break; + } spin_lock_irqsave(&dm_timer_lock, flags); - for (i = 0; i < dm_timer_count; i++) { - if (dm_timers[i].reserved) + list_for_each_entry(t, &omap_timer_list, node) { + if (t->reserved) continue; - timer = &dm_timers[i]; - timer->reserved = 1; - break; + switch (req_type) { + case REQUEST_BY_ID: + if (id == t->pdev->id) { + timer = t; + timer->reserved = 1; + goto found; + } + break; + case REQUEST_BY_CAP: + if (cap == (t->capability & cap)) { + /* + * If timer is not NULL, we have already found + * one timer but it was not an exact match + * because it had more capabilites that what + * was required. Therefore, unreserve the last + * timer found and see if this one is a better + * match. + */ + if (timer) + timer->reserved = 0; + timer = t; + timer->reserved = 1; + + /* Exit loop early if we find an exact match */ + if (t->capability == cap) + goto found; + } + break; + case REQUEST_BY_NODE: + if (np == t->pdev->dev.of_node) { + timer = t; + timer->reserved = 1; + goto found; + } + break; + default: + /* REQUEST_ANY */ + timer = t; + timer->reserved = 1; + goto found; + } } +found: spin_unlock_irqrestore(&dm_timer_lock, flags); - if (timer != NULL) - omap_dm_timer_prepare(timer); + if (timer && omap_dm_timer_prepare(timer)) { + timer->reserved = 0; + timer = NULL; + } + + if (!timer) + pr_debug("%s: timer request failed!\n", __func__); return timer; } + +struct omap_dm_timer *omap_dm_timer_request(void) +{ + return _omap_dm_timer_request(REQUEST_ANY, NULL); +} EXPORT_SYMBOL_GPL(omap_dm_timer_request); struct omap_dm_timer *omap_dm_timer_request_specific(int id) { - struct omap_dm_timer *timer; - unsigned long flags; - - spin_lock_irqsave(&dm_timer_lock, flags); - if (id <= 0 || id > dm_timer_count || dm_timers[id-1].reserved) { - spin_unlock_irqrestore(&dm_timer_lock, flags); - printk("BUG: warning at %s:%d/%s(): unable to get timer %d\n", - __FILE__, __LINE__, __func__, id); - dump_stack(); + /* Requesting timer by ID is not supported when device tree is used */ + if (of_have_populated_dt()) { + pr_warn("%s: Please use omap_dm_timer_request_by_cap/node()\n", + __func__); return NULL; } - timer = &dm_timers[id-1]; - timer->reserved = 1; - spin_unlock_irqrestore(&dm_timer_lock, flags); + return _omap_dm_timer_request(REQUEST_BY_ID, &id); +} +EXPORT_SYMBOL_GPL(omap_dm_timer_request_specific); - omap_dm_timer_prepare(timer); +/** + * omap_dm_timer_request_by_cap - Request a timer by capability + * @cap: Bit mask of capabilities to match + * + * Find a timer based upon capabilities bit mask. Callers of this function + * should use the definitions found in the plat/dmtimer.h file under the + * comment "timer capabilities used in hwmod database". Returns pointer to + * timer handle on success and a NULL pointer on failure. + */ +struct omap_dm_timer *omap_dm_timer_request_by_cap(u32 cap) +{ + return _omap_dm_timer_request(REQUEST_BY_CAP, &cap); +} +EXPORT_SYMBOL_GPL(omap_dm_timer_request_by_cap); - return timer; +/** + * omap_dm_timer_request_by_node - Request a timer by device-tree node + * @np: Pointer to device-tree timer node + * + * Request a timer based upon a device node pointer. Returns pointer to + * timer handle on success and a NULL pointer on failure. + */ +struct omap_dm_timer *omap_dm_timer_request_by_node(struct device_node *np) +{ + if (!np) + return NULL; + + return _omap_dm_timer_request(REQUEST_BY_NODE, np); } -EXPORT_SYMBOL_GPL(omap_dm_timer_request_specific); +EXPORT_SYMBOL_GPL(omap_dm_timer_request_by_node); -void omap_dm_timer_free(struct omap_dm_timer *timer) +int omap_dm_timer_free(struct omap_dm_timer *timer) { - omap_dm_timer_enable(timer); - omap_dm_timer_reset(timer); - omap_dm_timer_disable(timer); + if (unlikely(!timer)) + return -EINVAL; + + clk_put(timer->fclk); WARN_ON(!timer->reserved); timer->reserved = 0; + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_free); void omap_dm_timer_enable(struct omap_dm_timer *timer) { - if (timer->enabled) - return; + int c; -#ifdef CONFIG_ARCH_OMAP2PLUS - if (cpu_class_is_omap2()) { - clk_enable(timer->fclk); - clk_enable(timer->iclk); + pm_runtime_get_sync(&timer->pdev->dev); + + if (!(timer->capability & OMAP_TIMER_ALWON)) { + if (timer->get_context_loss_count) { + c = timer->get_context_loss_count(&timer->pdev->dev); + if (c != timer->ctx_loss_count) { + omap_timer_restore_context(timer); + timer->ctx_loss_count = c; + } + } else { + omap_timer_restore_context(timer); + } } -#endif - - timer->enabled = 1; } EXPORT_SYMBOL_GPL(omap_dm_timer_enable); void omap_dm_timer_disable(struct omap_dm_timer *timer) { - if (!timer->enabled) - return; - -#ifdef CONFIG_ARCH_OMAP2PLUS - if (cpu_class_is_omap2()) { - clk_disable(timer->iclk); - clk_disable(timer->fclk); - } -#endif - - timer->enabled = 0; + pm_runtime_put_sync(&timer->pdev->dev); } EXPORT_SYMBOL_GPL(omap_dm_timer_disable); int omap_dm_timer_get_irq(struct omap_dm_timer *timer) { - return timer->irq; + if (timer) + return timer->irq; + return -EINVAL; } EXPORT_SYMBOL_GPL(omap_dm_timer_get_irq); #if defined(CONFIG_ARCH_OMAP1) - +#include <mach/hardware.h> /** * omap_dm_timer_modify_idlect_mask - Check if any running timers use ARMXOR * @inputmask: current value of idlect mask */ __u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask) { - int i; + int i = 0; + struct omap_dm_timer *timer = NULL; + unsigned long flags; /* If ARMXOR cannot be idled this function call is unnecessary */ if (!(inputmask & (1 << 1))) return inputmask; /* If any active timer is using ARMXOR return modified mask */ - for (i = 0; i < dm_timer_count; i++) { + spin_lock_irqsave(&dm_timer_lock, flags); + list_for_each_entry(timer, &omap_timer_list, node) { u32 l; - l = omap_dm_timer_read_reg(&dm_timers[i], OMAP_TIMER_CTRL_REG); + l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); if (l & OMAP_TIMER_CTRL_ST) { if (((omap_readl(MOD_CONF_CTRL_1) >> (i * 2)) & 0x03) == 0) inputmask &= ~(1 << 1); else inputmask &= ~(1 << 2); } + i++; } + spin_unlock_irqrestore(&dm_timer_lock, flags); return inputmask; } @@ -493,7 +405,9 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_modify_idlect_mask); struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer) { - return timer->fclk; + if (timer && !IS_ERR(timer->fclk)) + return timer->fclk; + return NULL; } EXPORT_SYMBOL_GPL(omap_dm_timer_get_fclk); @@ -507,93 +421,129 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_modify_idlect_mask); #endif -void omap_dm_timer_trigger(struct omap_dm_timer *timer) +int omap_dm_timer_trigger(struct omap_dm_timer *timer) { + if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) { + pr_err("%s: timer not available or enabled.\n", __func__); + return -EINVAL; + } + omap_dm_timer_write_reg(timer, OMAP_TIMER_TRIGGER_REG, 0); + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_trigger); -void omap_dm_timer_start(struct omap_dm_timer *timer) +int omap_dm_timer_start(struct omap_dm_timer *timer) { u32 l; + if (unlikely(!timer)) + return -EINVAL; + + omap_dm_timer_enable(timer); + l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); if (!(l & OMAP_TIMER_CTRL_ST)) { l |= OMAP_TIMER_CTRL_ST; omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l); } + + /* Save the context */ + timer->context.tclr = l; + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_start); -void omap_dm_timer_stop(struct omap_dm_timer *timer) +int omap_dm_timer_stop(struct omap_dm_timer *timer) { - u32 l; - - l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); - if (l & OMAP_TIMER_CTRL_ST) { - l &= ~0x1; - omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l); -#ifdef CONFIG_ARCH_OMAP2PLUS - /* Readback to make sure write has completed */ - omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); - /* - * Wait for functional clock period x 3.5 to make sure that - * timer is stopped - */ - udelay(3500000 / clk_get_rate(timer->fclk) + 1); -#endif - } - /* Ack possibly pending interrupt */ - omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG, - OMAP_TIMER_INT_OVERFLOW); -} -EXPORT_SYMBOL_GPL(omap_dm_timer_stop); + unsigned long rate = 0; -#ifdef CONFIG_ARCH_OMAP1 + if (unlikely(!timer)) + return -EINVAL; -int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) -{ - int n = (timer - dm_timers) << 1; - u32 l; + if (!(timer->capability & OMAP_TIMER_NEEDS_RESET)) + rate = clk_get_rate(timer->fclk); - l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n); - l |= source << n; - omap_writel(l, MOD_CONF_CTRL_1); + __omap_dm_timer_stop(timer, timer->posted, rate); + /* + * Since the register values are computed and written within + * __omap_dm_timer_stop, we need to use read to retrieve the + * context. + */ + timer->context.tclr = + omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); + omap_dm_timer_disable(timer); return 0; } -EXPORT_SYMBOL_GPL(omap_dm_timer_set_source); - -#else +EXPORT_SYMBOL_GPL(omap_dm_timer_stop); int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) { - int ret = -EINVAL; + int ret; + char *parent_name = NULL; + struct clk *parent; + struct dmtimer_platform_data *pdata; - if (source < 0 || source >= 3) + if (unlikely(!timer)) return -EINVAL; - clk_disable(timer->fclk); - ret = clk_set_parent(timer->fclk, dm_source_clocks[source]); - clk_enable(timer->fclk); + pdata = timer->pdev->dev.platform_data; + + if (source < 0 || source >= 3) + return -EINVAL; /* - * When the functional clock disappears, too quick writes seem - * to cause an abort. XXX Is this still necessary? + * FIXME: Used for OMAP1 devices only because they do not currently + * use the clock framework to set the parent clock. To be removed + * once OMAP1 migrated to using clock framework for dmtimers */ - __delay(300000); + if (pdata && pdata->set_timer_src) + return pdata->set_timer_src(timer->pdev, source); + + if (IS_ERR(timer->fclk)) + return -EINVAL; + + switch (source) { + case OMAP_TIMER_SRC_SYS_CLK: + parent_name = "timer_sys_ck"; + break; + + case OMAP_TIMER_SRC_32_KHZ: + parent_name = "timer_32k_ck"; + break; + + case OMAP_TIMER_SRC_EXT_CLK: + parent_name = "timer_ext_ck"; + break; + } + + parent = clk_get(&timer->pdev->dev, parent_name); + if (IS_ERR(parent)) { + pr_err("%s: %s not found\n", __func__, parent_name); + return -EINVAL; + } + + ret = clk_set_parent(timer->fclk, parent); + if (ret < 0) + pr_err("%s: failed to set %s as parent\n", __func__, + parent_name); + + clk_put(parent); return ret; } EXPORT_SYMBOL_GPL(omap_dm_timer_set_source); -#endif - -void omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, +int omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, unsigned int load) { u32 l; + if (unlikely(!timer)) + return -EINVAL; + + omap_dm_timer_enable(timer); l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); if (autoreload) l |= OMAP_TIMER_CTRL_AR; @@ -603,15 +553,25 @@ void omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, omap_dm_timer_write_reg(timer, OMAP_TIMER_LOAD_REG, load); omap_dm_timer_write_reg(timer, OMAP_TIMER_TRIGGER_REG, 0); + /* Save the context */ + timer->context.tclr = l; + timer->context.tldr = load; + omap_dm_timer_disable(timer); + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_set_load); /* Optimized set_load which removes costly spin wait in timer_start */ -void omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload, +int omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload, unsigned int load) { u32 l; + if (unlikely(!timer)) + return -EINVAL; + + omap_dm_timer_enable(timer); + l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); if (autoreload) { l |= OMAP_TIMER_CTRL_AR; @@ -621,31 +581,50 @@ void omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload, } l |= OMAP_TIMER_CTRL_ST; - omap_dm_timer_write_reg(timer, OMAP_TIMER_COUNTER_REG, load); - omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l); + __omap_dm_timer_load_start(timer, l, load, timer->posted); + + /* Save the context */ + timer->context.tclr = l; + timer->context.tldr = load; + timer->context.tcrr = load; + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_set_load_start); -void omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, +int omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, unsigned int match) { u32 l; + if (unlikely(!timer)) + return -EINVAL; + + omap_dm_timer_enable(timer); l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); if (enable) l |= OMAP_TIMER_CTRL_CE; else l &= ~OMAP_TIMER_CTRL_CE; - omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l); omap_dm_timer_write_reg(timer, OMAP_TIMER_MATCH_REG, match); + omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l); + + /* Save the context */ + timer->context.tclr = l; + timer->context.tmar = match; + omap_dm_timer_disable(timer); + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_set_match); -void omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, +int omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, int toggle, int trigger) { u32 l; + if (unlikely(!timer)) + return -EINVAL; + + omap_dm_timer_enable(timer); l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); l &= ~(OMAP_TIMER_CTRL_GPOCFG | OMAP_TIMER_CTRL_SCPWM | OMAP_TIMER_CTRL_PT | (0x03 << 10)); @@ -655,13 +634,22 @@ void omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, l |= OMAP_TIMER_CTRL_PT; l |= trigger << 10; omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l); + + /* Save the context */ + timer->context.tclr = l; + omap_dm_timer_disable(timer); + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_set_pwm); -void omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler) +int omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler) { u32 l; + if (unlikely(!timer)) + return -EINVAL; + + omap_dm_timer_enable(timer); l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); l &= ~(OMAP_TIMER_CTRL_PRE | (0x07 << 2)); if (prescaler >= 0x00 && prescaler <= 0x07) { @@ -669,59 +657,120 @@ void omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler) l |= prescaler << 2; } omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l); + + /* Save the context */ + timer->context.tclr = l; + omap_dm_timer_disable(timer); + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_set_prescaler); -void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, +int omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value) { - omap_dm_timer_write_reg(timer, OMAP_TIMER_INT_EN_REG, value); - omap_dm_timer_write_reg(timer, OMAP_TIMER_WAKEUP_EN_REG, value); + if (unlikely(!timer)) + return -EINVAL; + + omap_dm_timer_enable(timer); + __omap_dm_timer_int_enable(timer, value); + + /* Save the context */ + timer->context.tier = value; + timer->context.twer = value; + omap_dm_timer_disable(timer); + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_set_int_enable); +/** + * omap_dm_timer_set_int_disable - disable timer interrupts + * @timer: pointer to timer handle + * @mask: bit mask of interrupts to be disabled + * + * Disables the specified timer interrupts for a timer. + */ +int omap_dm_timer_set_int_disable(struct omap_dm_timer *timer, u32 mask) +{ + u32 l = mask; + + if (unlikely(!timer)) + return -EINVAL; + + omap_dm_timer_enable(timer); + + if (timer->revision == 1) + l = readl_relaxed(timer->irq_ena) & ~mask; + + writel_relaxed(l, timer->irq_dis); + l = omap_dm_timer_read_reg(timer, OMAP_TIMER_WAKEUP_EN_REG) & ~mask; + omap_dm_timer_write_reg(timer, OMAP_TIMER_WAKEUP_EN_REG, l); + + /* Save the context */ + timer->context.tier &= ~mask; + timer->context.twer &= ~mask; + omap_dm_timer_disable(timer); + return 0; +} +EXPORT_SYMBOL_GPL(omap_dm_timer_set_int_disable); + unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer) { unsigned int l; - l = omap_dm_timer_read_reg(timer, OMAP_TIMER_STAT_REG); + if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) { + pr_err("%s: timer not available or enabled.\n", __func__); + return 0; + } + + l = readl_relaxed(timer->irq_stat); return l; } EXPORT_SYMBOL_GPL(omap_dm_timer_read_status); -void omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value) +int omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value) { - omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG, value); + if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) + return -EINVAL; + + __omap_dm_timer_write_status(timer, value); + + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_write_status); unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer) { - unsigned int l; - - l = omap_dm_timer_read_reg(timer, OMAP_TIMER_COUNTER_REG); + if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) { + pr_err("%s: timer not iavailable or enabled.\n", __func__); + return 0; + } - return l; + return __omap_dm_timer_read_counter(timer, timer->posted); } EXPORT_SYMBOL_GPL(omap_dm_timer_read_counter); -void omap_dm_timer_write_counter(struct omap_dm_timer *timer, unsigned int value) +int omap_dm_timer_write_counter(struct omap_dm_timer *timer, unsigned int value) { + if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) { + pr_err("%s: timer not available or enabled.\n", __func__); + return -EINVAL; + } + omap_dm_timer_write_reg(timer, OMAP_TIMER_COUNTER_REG, value); + + /* Save the context */ + timer->context.tcrr = value; + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_write_counter); int omap_dm_timers_active(void) { - int i; - - for (i = 0; i < dm_timer_count; i++) { - struct omap_dm_timer *timer; - - timer = &dm_timers[i]; + struct omap_dm_timer *timer; - if (!timer->enabled) + list_for_each_entry(timer, &omap_timer_list, node) { + if (!timer->reserved) continue; if (omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG) & @@ -733,61 +782,171 @@ int omap_dm_timers_active(void) } EXPORT_SYMBOL_GPL(omap_dm_timers_active); -int __init omap_dm_timer_init(void) +static const struct of_device_id omap_timer_match[]; + +/** + * omap_dm_timer_probe - probe function called for every registered device + * @pdev: pointer to current timer platform device + * + * Called by driver framework at the end of device registration for all + * timer devices. + */ +static int omap_dm_timer_probe(struct platform_device *pdev) { + unsigned long flags; struct omap_dm_timer *timer; - int i, map_size = SZ_8K; /* Module 4KB + L4 4KB except on omap1 */ + struct resource *mem, *irq; + struct device *dev = &pdev->dev; + const struct of_device_id *match; + const struct dmtimer_platform_data *pdata; + + match = of_match_device(of_match_ptr(omap_timer_match), dev); + pdata = match ? match->data : dev->platform_data; + + if (!pdata && !dev->of_node) { + dev_err(dev, "%s: no platform data.\n", __func__); + return -ENODEV; + } - if (!(cpu_is_omap16xx() || cpu_class_is_omap2())) + irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (unlikely(!irq)) { + dev_err(dev, "%s: no IRQ resource.\n", __func__); return -ENODEV; + } - spin_lock_init(&dm_timer_lock); - - if (cpu_class_is_omap1()) { - dm_timers = omap1_dm_timers; - dm_timer_count = omap1_dm_timer_count; - map_size = SZ_2K; - } else if (cpu_is_omap24xx()) { - dm_timers = omap2_dm_timers; - dm_timer_count = omap2_dm_timer_count; - dm_source_names = omap2_dm_source_names; - dm_source_clocks = omap2_dm_source_clocks; - } else if (cpu_is_omap34xx()) { - dm_timers = omap3_dm_timers; - dm_timer_count = omap3_dm_timer_count; - dm_source_names = omap3_dm_source_names; - dm_source_clocks = omap3_dm_source_clocks; - } else if (cpu_is_omap44xx()) { - dm_timers = omap4_dm_timers; - dm_timer_count = omap4_dm_timer_count; - dm_source_names = omap4_dm_source_names; - dm_source_clocks = omap4_dm_source_clocks; + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (unlikely(!mem)) { + dev_err(dev, "%s: no memory resource.\n", __func__); + return -ENODEV; } - if (cpu_class_is_omap2()) - for (i = 0; dm_source_names[i] != NULL; i++) - dm_source_clocks[i] = clk_get(NULL, dm_source_names[i]); + timer = devm_kzalloc(dev, sizeof(struct omap_dm_timer), GFP_KERNEL); + if (!timer) { + dev_err(dev, "%s: memory alloc failed!\n", __func__); + return -ENOMEM; + } - if (cpu_is_omap243x()) - dm_timers[0].phys_base = 0x49018000; + timer->fclk = ERR_PTR(-ENODEV); + timer->io_base = devm_ioremap_resource(dev, mem); + if (IS_ERR(timer->io_base)) + return PTR_ERR(timer->io_base); + + if (dev->of_node) { + if (of_find_property(dev->of_node, "ti,timer-alwon", NULL)) + timer->capability |= OMAP_TIMER_ALWON; + if (of_find_property(dev->of_node, "ti,timer-dsp", NULL)) + timer->capability |= OMAP_TIMER_HAS_DSP_IRQ; + if (of_find_property(dev->of_node, "ti,timer-pwm", NULL)) + timer->capability |= OMAP_TIMER_HAS_PWM; + if (of_find_property(dev->of_node, "ti,timer-secure", NULL)) + timer->capability |= OMAP_TIMER_SECURE; + } else { + timer->id = pdev->id; + timer->capability = pdata->timer_capability; + timer->reserved = omap_dm_timer_reserved_systimer(timer->id); + timer->get_context_loss_count = pdata->get_context_loss_count; + } - for (i = 0; i < dm_timer_count; i++) { - timer = &dm_timers[i]; + if (pdata) + timer->errata = pdata->timer_errata; - /* Static mapping, never released */ - timer->io_base = ioremap(timer->phys_base, map_size); - BUG_ON(!timer->io_base); + timer->irq = irq->start; + timer->pdev = pdev; -#ifdef CONFIG_ARCH_OMAP2PLUS - if (cpu_class_is_omap2()) { - char clk_name[16]; - sprintf(clk_name, "gpt%d_ick", i + 1); - timer->iclk = clk_get(NULL, clk_name); - sprintf(clk_name, "gpt%d_fck", i + 1); - timer->fclk = clk_get(NULL, clk_name); - } -#endif + /* Skip pm_runtime_enable for OMAP1 */ + if (!(timer->capability & OMAP_TIMER_NEEDS_RESET)) { + pm_runtime_enable(dev); + pm_runtime_irq_safe(dev); + } + + if (!timer->reserved) { + pm_runtime_get_sync(dev); + __omap_dm_timer_init_regs(timer); + pm_runtime_put(dev); } + /* add the timer element to the list */ + spin_lock_irqsave(&dm_timer_lock, flags); + list_add_tail(&timer->node, &omap_timer_list); + spin_unlock_irqrestore(&dm_timer_lock, flags); + + dev_dbg(dev, "Device Probed.\n"); + return 0; } + +/** + * omap_dm_timer_remove - cleanup a registered timer device + * @pdev: pointer to current timer platform device + * + * Called by driver framework whenever a timer device is unregistered. + * In addition to freeing platform resources it also deletes the timer + * entry from the local list. + */ +static int omap_dm_timer_remove(struct platform_device *pdev) +{ + struct omap_dm_timer *timer; + unsigned long flags; + int ret = -EINVAL; + + spin_lock_irqsave(&dm_timer_lock, flags); + list_for_each_entry(timer, &omap_timer_list, node) + if (!strcmp(dev_name(&timer->pdev->dev), + dev_name(&pdev->dev))) { + list_del(&timer->node); + ret = 0; + break; + } + spin_unlock_irqrestore(&dm_timer_lock, flags); + + return ret; +} + +static const struct dmtimer_platform_data omap3plus_pdata = { + .timer_errata = OMAP_TIMER_ERRATA_I103_I767, +}; + +static const struct of_device_id omap_timer_match[] = { + { + .compatible = "ti,omap2420-timer", + }, + { + .compatible = "ti,omap3430-timer", + .data = &omap3plus_pdata, + }, + { + .compatible = "ti,omap4430-timer", + .data = &omap3plus_pdata, + }, + { + .compatible = "ti,omap5430-timer", + .data = &omap3plus_pdata, + }, + { + .compatible = "ti,am335x-timer", + .data = &omap3plus_pdata, + }, + { + .compatible = "ti,am335x-timer-1ms", + .data = &omap3plus_pdata, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, omap_timer_match); + +static struct platform_driver omap_dm_timer_driver = { + .probe = omap_dm_timer_probe, + .remove = omap_dm_timer_remove, + .driver = { + .name = "omap_timer", + .of_match_table = of_match_ptr(omap_timer_match), + }, +}; + +early_platform_init("earlytimer", &omap_dm_timer_driver); +module_platform_driver(omap_dm_timer_driver); + +MODULE_DESCRIPTION("OMAP Dual-Mode Timer Driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRIVER_NAME); +MODULE_AUTHOR("Texas Instruments Inc"); diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c deleted file mode 100644 index c9e5d7298c4..00000000000 --- a/arch/arm/plat-omap/fb.c +++ /dev/null @@ -1,421 +0,0 @@ -/* - * File: arch/arm/plat-omap/fb.c - * - * Framebuffer device registration for TI OMAP platforms - * - * Copyright (C) 2006 Nokia Corporation - * Author: Imre Deak <imre.deak@nokia.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/memblock.h> -#include <linux/io.h> -#include <linux/omapfb.h> - -#include <mach/hardware.h> -#include <asm/mach/map.h> - -#include <plat/board.h> -#include <plat/sram.h> - -#include "fb.h" - -#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE) - -static struct omapfb_platform_data omapfb_config; -static int config_invalid; -static int configured_regions; - -static u64 omap_fb_dma_mask = ~(u32)0; - -static struct platform_device omap_fb_device = { - .name = "omapfb", - .id = -1, - .dev = { - .dma_mask = &omap_fb_dma_mask, - .coherent_dma_mask = ~(u32)0, - .platform_data = &omapfb_config, - }, - .num_resources = 0, -}; - -void omapfb_set_platform_data(struct omapfb_platform_data *data) -{ -} - -static inline int ranges_overlap(unsigned long start1, unsigned long size1, - unsigned long start2, unsigned long size2) -{ - return (start1 >= start2 && start1 < start2 + size2) || - (start2 >= start1 && start2 < start1 + size1); -} - -static inline int range_included(unsigned long start1, unsigned long size1, - unsigned long start2, unsigned long size2) -{ - return start1 >= start2 && start1 + size1 <= start2 + size2; -} - - -/* Check if there is an overlapping region. */ -static int fbmem_region_reserved(unsigned long start, size_t size) -{ - struct omapfb_mem_region *rg; - int i; - - rg = &omapfb_config.mem_desc.region[0]; - for (i = 0; i < OMAPFB_PLANE_NUM; i++, rg++) { - if (!rg->paddr) - /* Empty slot. */ - continue; - if (ranges_overlap(start, size, rg->paddr, rg->size)) - return 1; - } - return 0; -} - -/* - * Get the region_idx`th region from board config/ATAG and convert it to - * our internal format. - */ -static int __init get_fbmem_region(int region_idx, struct omapfb_mem_region *rg) -{ - const struct omap_fbmem_config *conf; - u32 paddr; - - conf = omap_get_nr_config(OMAP_TAG_FBMEM, - struct omap_fbmem_config, region_idx); - if (conf == NULL) - return -ENOENT; - - paddr = conf->start; - /* - * Low bits encode the page allocation mode, if high bits - * are zero. Otherwise we need a page aligned fixed - * address. - */ - memset(rg, 0, sizeof(*rg)); - rg->type = paddr & ~PAGE_MASK; - rg->paddr = paddr & PAGE_MASK; - rg->size = PAGE_ALIGN(conf->size); - return 0; -} - -static int set_fbmem_region_type(struct omapfb_mem_region *rg, int mem_type, - unsigned long mem_start, - unsigned long mem_size) -{ - /* - * Check if the configuration specifies the type explicitly. - * type = 0 && paddr = 0, a default don't care case maps to - * the SDRAM type. - */ - if (rg->type || !rg->paddr) - return 0; - if (ranges_overlap(rg->paddr, rg->size, mem_start, mem_size)) { - rg->type = mem_type; - return 0; - } - /* Can't determine it. */ - return -1; -} - -static int check_fbmem_region(int region_idx, struct omapfb_mem_region *rg, - unsigned long start_avail, unsigned size_avail) -{ - unsigned long paddr = rg->paddr; - size_t size = rg->size; - - if (rg->type > OMAPFB_MEMTYPE_MAX) { - printk(KERN_ERR - "Invalid start address for FB region %d\n", region_idx); - return -EINVAL; - } - - if (!rg->size) { - printk(KERN_ERR "Zero size for FB region %d\n", region_idx); - return -EINVAL; - } - - if (!paddr) - /* Allocate this dynamically, leave paddr 0 for now. */ - return 0; - - /* - * Fixed region for the given RAM range. Check if it's already - * reserved by the FB code or someone else. - */ - if (fbmem_region_reserved(paddr, size) || - !range_included(paddr, size, start_avail, size_avail)) { - printk(KERN_ERR "Trying to use reserved memory " - "for FB region %d\n", region_idx); - return -EINVAL; - } - - return 0; -} - -static int valid_sdram(unsigned long addr, unsigned long size) -{ - return memblock_is_region_memory(addr, size); -} - -static int reserve_sdram(unsigned long addr, unsigned long size) -{ - if (memblock_is_region_reserved(addr, size)) - return -EBUSY; - if (memblock_reserve(addr, size)) - return -ENOMEM; - return 0; -} - -/* - * Called from map_io. We need to call to this early enough so that we - * can reserve the fixed SDRAM regions before VM could get hold of them. - */ -void __init omapfb_reserve_sdram_memblock(void) -{ - unsigned long reserved = 0; - int i; - - if (config_invalid) - return; - - for (i = 0; ; i++) { - struct omapfb_mem_region rg; - - if (get_fbmem_region(i, &rg) < 0) - break; - - if (i == OMAPFB_PLANE_NUM) { - pr_err("Extraneous FB mem configuration entries\n"); - config_invalid = 1; - return; - } - - /* Check if it's our memory type. */ - if (rg.type != OMAPFB_MEMTYPE_SDRAM) - continue; - - /* Check if the region falls within SDRAM */ - if (rg.paddr && !valid_sdram(rg.paddr, rg.size)) - continue; - - if (rg.size == 0) { - pr_err("Zero size for FB region %d\n", i); - config_invalid = 1; - return; - } - - if (rg.paddr) { - if (reserve_sdram(rg.paddr, rg.size)) { - pr_err("Trying to use reserved memory for FB region %d\n", - i); - config_invalid = 1; - return; - } - reserved += rg.size; - } - - if (omapfb_config.mem_desc.region[i].size) { - pr_err("FB region %d already set\n", i); - config_invalid = 1; - return; - } - - omapfb_config.mem_desc.region[i] = rg; - configured_regions++; - } - omapfb_config.mem_desc.region_cnt = i; - if (reserved) - pr_info("Reserving %lu bytes SDRAM for frame buffer\n", - reserved); -} - -/* - * Called at sram init time, before anything is pushed to the SRAM stack. - * Because of the stack scheme, we will allocate everything from the - * start of the lowest address region to the end of SRAM. This will also - * include padding for page alignment and possible holes between regions. - * - * As opposed to the SDRAM case, we'll also do any dynamic allocations at - * this point, since the driver built as a module would have problem with - * freeing / reallocating the regions. - */ -unsigned long __init omapfb_reserve_sram(unsigned long sram_pstart, - unsigned long sram_vstart, - unsigned long sram_size, - unsigned long pstart_avail, - unsigned long size_avail) -{ - struct omapfb_mem_region rg; - unsigned long pend_avail; - unsigned long reserved; - int i; - - if (config_invalid) - return 0; - - reserved = 0; - pend_avail = pstart_avail + size_avail; - for (i = 0; ; i++) { - if (get_fbmem_region(i, &rg) < 0) - break; - if (i == OMAPFB_PLANE_NUM) { - printk(KERN_ERR - "Extraneous FB mem configuration entries\n"); - config_invalid = 1; - return 0; - } - - /* Check if it's our memory type. */ - if (set_fbmem_region_type(&rg, OMAPFB_MEMTYPE_SRAM, - sram_pstart, sram_size) < 0 || - (rg.type != OMAPFB_MEMTYPE_SRAM)) - continue; - BUG_ON(omapfb_config.mem_desc.region[i].size); - - if (check_fbmem_region(i, &rg, pstart_avail, size_avail) < 0) { - config_invalid = 1; - return 0; - } - - if (!rg.paddr) { - /* Dynamic allocation */ - if ((size_avail & PAGE_MASK) < rg.size) { - printk("Not enough SRAM for FB region %d\n", - i); - config_invalid = 1; - return 0; - } - size_avail = (size_avail - rg.size) & PAGE_MASK; - rg.paddr = pstart_avail + size_avail; - } - /* Reserve everything above the start of the region. */ - if (pend_avail - rg.paddr > reserved) - reserved = pend_avail - rg.paddr; - size_avail = pend_avail - reserved - pstart_avail; - - /* - * We have a kernel mapping for this already, so the - * driver won't have to make one. - */ - rg.vaddr = (void *)(sram_vstart + rg.paddr - sram_pstart); - omapfb_config.mem_desc.region[i] = rg; - configured_regions++; - } - omapfb_config.mem_desc.region_cnt = i; - if (reserved) - pr_info("Reserving %lu bytes SRAM for frame buffer\n", - reserved); - return reserved; -} - -void omapfb_set_ctrl_platform_data(void *data) -{ - omapfb_config.ctrl_platform_data = data; -} - -static int __init omap_init_fb(void) -{ - const struct omap_lcd_config *conf; - - if (config_invalid) - return 0; - if (configured_regions != omapfb_config.mem_desc.region_cnt) { - printk(KERN_ERR "Invalid FB mem configuration entries\n"); - return 0; - } - conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config); - if (conf == NULL) { - if (configured_regions) - /* FB mem config, but no LCD config? */ - printk(KERN_ERR "Missing LCD configuration\n"); - return 0; - } - omapfb_config.lcd = *conf; - - return platform_device_register(&omap_fb_device); -} - -arch_initcall(omap_init_fb); - -#elif defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) - -static u64 omap_fb_dma_mask = ~(u32)0; -static struct omapfb_platform_data omapfb_config; - -static struct platform_device omap_fb_device = { - .name = "omapfb", - .id = -1, - .dev = { - .dma_mask = &omap_fb_dma_mask, - .coherent_dma_mask = ~(u32)0, - .platform_data = &omapfb_config, - }, - .num_resources = 0, -}; - -void omapfb_set_platform_data(struct omapfb_platform_data *data) -{ - omapfb_config = *data; -} - -static int __init omap_init_fb(void) -{ - return platform_device_register(&omap_fb_device); -} - -arch_initcall(omap_init_fb); - -void omapfb_reserve_sdram_memblock(void) -{ -} - -unsigned long __init omapfb_reserve_sram(unsigned long sram_pstart, - unsigned long sram_vstart, - unsigned long sram_size, - unsigned long start_avail, - unsigned long size_avail) -{ - return 0; -} - -#else - -void omapfb_set_platform_data(struct omapfb_platform_data *data) -{ -} - -void omapfb_reserve_sdram_memblock(void) -{ -} - -unsigned long __init omapfb_reserve_sram(unsigned long sram_pstart, - unsigned long sram_vstart, - unsigned long sram_size, - unsigned long start_avail, - unsigned long size_avail) -{ - return 0; -} - -#endif diff --git a/arch/arm/plat-omap/fb.h b/arch/arm/plat-omap/fb.h deleted file mode 100644 index d765d0bd852..00000000000 --- a/arch/arm/plat-omap/fb.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __PLAT_OMAP_FB_H__ -#define __PLAT_OMAP_FB_H__ - -extern unsigned long omapfb_reserve_sram(unsigned long sram_pstart, - unsigned long sram_vstart, - unsigned long sram_size, - unsigned long pstart_avail, - unsigned long size_avail); - -#endif /* __PLAT_OMAP_FB_H__ */ diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c deleted file mode 100644 index 971d1863694..00000000000 --- a/arch/arm/plat-omap/gpio.c +++ /dev/null @@ -1,2137 +0,0 @@ -/* - * linux/arch/arm/plat-omap/gpio.c - * - * Support functions for OMAP GPIO - * - * Copyright (C) 2003-2005 Nokia Corporation - * Written by Juha Yrjölä <juha.yrjola@nokia.com> - * - * Copyright (C) 2009 Texas Instruments - * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/sysdev.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/slab.h> -#include <linux/pm_runtime.h> - -#include <mach/hardware.h> -#include <asm/irq.h> -#include <mach/irqs.h> -#include <mach/gpio.h> -#include <asm/mach/irq.h> - -/* - * OMAP1510 GPIO registers - */ -#define OMAP1510_GPIO_DATA_INPUT 0x00 -#define OMAP1510_GPIO_DATA_OUTPUT 0x04 -#define OMAP1510_GPIO_DIR_CONTROL 0x08 -#define OMAP1510_GPIO_INT_CONTROL 0x0c -#define OMAP1510_GPIO_INT_MASK 0x10 -#define OMAP1510_GPIO_INT_STATUS 0x14 -#define OMAP1510_GPIO_PIN_CONTROL 0x18 - -#define OMAP1510_IH_GPIO_BASE 64 - -/* - * OMAP1610 specific GPIO registers - */ -#define OMAP1610_GPIO_REVISION 0x0000 -#define OMAP1610_GPIO_SYSCONFIG 0x0010 -#define OMAP1610_GPIO_SYSSTATUS 0x0014 -#define OMAP1610_GPIO_IRQSTATUS1 0x0018 -#define OMAP1610_GPIO_IRQENABLE1 0x001c -#define OMAP1610_GPIO_WAKEUPENABLE 0x0028 -#define OMAP1610_GPIO_DATAIN 0x002c -#define OMAP1610_GPIO_DATAOUT 0x0030 -#define OMAP1610_GPIO_DIRECTION 0x0034 -#define OMAP1610_GPIO_EDGE_CTRL1 0x0038 -#define OMAP1610_GPIO_EDGE_CTRL2 0x003c -#define OMAP1610_GPIO_CLEAR_IRQENABLE1 0x009c -#define OMAP1610_GPIO_CLEAR_WAKEUPENA 0x00a8 -#define OMAP1610_GPIO_CLEAR_DATAOUT 0x00b0 -#define OMAP1610_GPIO_SET_IRQENABLE1 0x00dc -#define OMAP1610_GPIO_SET_WAKEUPENA 0x00e8 -#define OMAP1610_GPIO_SET_DATAOUT 0x00f0 - -/* - * OMAP7XX specific GPIO registers - */ -#define OMAP7XX_GPIO_DATA_INPUT 0x00 -#define OMAP7XX_GPIO_DATA_OUTPUT 0x04 -#define OMAP7XX_GPIO_DIR_CONTROL 0x08 -#define OMAP7XX_GPIO_INT_CONTROL 0x0c -#define OMAP7XX_GPIO_INT_MASK 0x10 -#define OMAP7XX_GPIO_INT_STATUS 0x14 - -/* - * omap2+ specific GPIO registers - */ -#define OMAP24XX_GPIO_REVISION 0x0000 -#define OMAP24XX_GPIO_IRQSTATUS1 0x0018 -#define OMAP24XX_GPIO_IRQSTATUS2 0x0028 -#define OMAP24XX_GPIO_IRQENABLE2 0x002c -#define OMAP24XX_GPIO_IRQENABLE1 0x001c -#define OMAP24XX_GPIO_WAKE_EN 0x0020 -#define OMAP24XX_GPIO_CTRL 0x0030 -#define OMAP24XX_GPIO_OE 0x0034 -#define OMAP24XX_GPIO_DATAIN 0x0038 -#define OMAP24XX_GPIO_DATAOUT 0x003c -#define OMAP24XX_GPIO_LEVELDETECT0 0x0040 -#define OMAP24XX_GPIO_LEVELDETECT1 0x0044 -#define OMAP24XX_GPIO_RISINGDETECT 0x0048 -#define OMAP24XX_GPIO_FALLINGDETECT 0x004c -#define OMAP24XX_GPIO_DEBOUNCE_EN 0x0050 -#define OMAP24XX_GPIO_DEBOUNCE_VAL 0x0054 -#define OMAP24XX_GPIO_CLEARIRQENABLE1 0x0060 -#define OMAP24XX_GPIO_SETIRQENABLE1 0x0064 -#define OMAP24XX_GPIO_CLEARWKUENA 0x0080 -#define OMAP24XX_GPIO_SETWKUENA 0x0084 -#define OMAP24XX_GPIO_CLEARDATAOUT 0x0090 -#define OMAP24XX_GPIO_SETDATAOUT 0x0094 - -#define OMAP4_GPIO_REVISION 0x0000 -#define OMAP4_GPIO_EOI 0x0020 -#define OMAP4_GPIO_IRQSTATUSRAW0 0x0024 -#define OMAP4_GPIO_IRQSTATUSRAW1 0x0028 -#define OMAP4_GPIO_IRQSTATUS0 0x002c -#define OMAP4_GPIO_IRQSTATUS1 0x0030 -#define OMAP4_GPIO_IRQSTATUSSET0 0x0034 -#define OMAP4_GPIO_IRQSTATUSSET1 0x0038 -#define OMAP4_GPIO_IRQSTATUSCLR0 0x003c -#define OMAP4_GPIO_IRQSTATUSCLR1 0x0040 -#define OMAP4_GPIO_IRQWAKEN0 0x0044 -#define OMAP4_GPIO_IRQWAKEN1 0x0048 -#define OMAP4_GPIO_IRQENABLE1 0x011c -#define OMAP4_GPIO_WAKE_EN 0x0120 -#define OMAP4_GPIO_IRQSTATUS2 0x0128 -#define OMAP4_GPIO_IRQENABLE2 0x012c -#define OMAP4_GPIO_CTRL 0x0130 -#define OMAP4_GPIO_OE 0x0134 -#define OMAP4_GPIO_DATAIN 0x0138 -#define OMAP4_GPIO_DATAOUT 0x013c -#define OMAP4_GPIO_LEVELDETECT0 0x0140 -#define OMAP4_GPIO_LEVELDETECT1 0x0144 -#define OMAP4_GPIO_RISINGDETECT 0x0148 -#define OMAP4_GPIO_FALLINGDETECT 0x014c -#define OMAP4_GPIO_DEBOUNCENABLE 0x0150 -#define OMAP4_GPIO_DEBOUNCINGTIME 0x0154 -#define OMAP4_GPIO_CLEARIRQENABLE1 0x0160 -#define OMAP4_GPIO_SETIRQENABLE1 0x0164 -#define OMAP4_GPIO_CLEARWKUENA 0x0180 -#define OMAP4_GPIO_SETWKUENA 0x0184 -#define OMAP4_GPIO_CLEARDATAOUT 0x0190 -#define OMAP4_GPIO_SETDATAOUT 0x0194 - -struct gpio_bank { - unsigned long pbase; - void __iomem *base; - u16 irq; - u16 virtual_irq_start; - int method; -#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS) - u32 suspend_wakeup; - u32 saved_wakeup; -#endif - u32 non_wakeup_gpios; - u32 enabled_non_wakeup_gpios; - - u32 saved_datain; - u32 saved_fallingdetect; - u32 saved_risingdetect; - u32 level_mask; - u32 toggle_mask; - spinlock_t lock; - struct gpio_chip chip; - struct clk *dbck; - u32 mod_usage; - u32 dbck_enable_mask; - struct device *dev; - bool dbck_flag; - int stride; -}; - -#ifdef CONFIG_ARCH_OMAP3 -struct omap3_gpio_regs { - u32 irqenable1; - u32 irqenable2; - u32 wake_en; - u32 ctrl; - u32 oe; - u32 leveldetect0; - u32 leveldetect1; - u32 risingdetect; - u32 fallingdetect; - u32 dataout; -}; - -static struct omap3_gpio_regs gpio_context[OMAP34XX_NR_GPIOS]; -#endif - -/* - * TODO: Cleanup gpio_bank usage as it is having information - * related to all instances of the device - */ -static struct gpio_bank *gpio_bank; - -static int bank_width; - -/* TODO: Analyze removing gpio_bank_count usage from driver code */ -int gpio_bank_count; - -static inline struct gpio_bank *get_gpio_bank(int gpio) -{ - if (cpu_is_omap15xx()) { - if (OMAP_GPIO_IS_MPUIO(gpio)) - return &gpio_bank[0]; - return &gpio_bank[1]; - } - if (cpu_is_omap16xx()) { - if (OMAP_GPIO_IS_MPUIO(gpio)) - return &gpio_bank[0]; - return &gpio_bank[1 + (gpio >> 4)]; - } - if (cpu_is_omap7xx()) { - if (OMAP_GPIO_IS_MPUIO(gpio)) - return &gpio_bank[0]; - return &gpio_bank[1 + (gpio >> 5)]; - } - if (cpu_is_omap24xx()) - return &gpio_bank[gpio >> 5]; - if (cpu_is_omap34xx() || cpu_is_omap44xx()) - return &gpio_bank[gpio >> 5]; - BUG(); - return NULL; -} - -static inline int get_gpio_index(int gpio) -{ - if (cpu_is_omap7xx()) - return gpio & 0x1f; - if (cpu_is_omap24xx()) - return gpio & 0x1f; - if (cpu_is_omap34xx() || cpu_is_omap44xx()) - return gpio & 0x1f; - return gpio & 0x0f; -} - -static inline int gpio_valid(int gpio) -{ - if (gpio < 0) - return -1; - if (cpu_class_is_omap1() && OMAP_GPIO_IS_MPUIO(gpio)) { - if (gpio >= OMAP_MAX_GPIO_LINES + 16) - return -1; - return 0; - } - if (cpu_is_omap15xx() && gpio < 16) - return 0; - if ((cpu_is_omap16xx()) && gpio < 64) - return 0; - if (cpu_is_omap7xx() && gpio < 192) - return 0; - if (cpu_is_omap2420() && gpio < 128) - return 0; - if (cpu_is_omap2430() && gpio < 160) - return 0; - if ((cpu_is_omap34xx() || cpu_is_omap44xx()) && gpio < 192) - return 0; - return -1; -} - -static int check_gpio(int gpio) -{ - if (unlikely(gpio_valid(gpio) < 0)) { - printk(KERN_ERR "omap-gpio: invalid GPIO %d\n", gpio); - dump_stack(); - return -1; - } - return 0; -} - -static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input) -{ - void __iomem *reg = bank->base; - u32 l; - - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP1 - case METHOD_MPUIO: - reg += OMAP_MPUIO_IO_CNTL / bank->stride; - break; -#endif -#ifdef CONFIG_ARCH_OMAP15XX - case METHOD_GPIO_1510: - reg += OMAP1510_GPIO_DIR_CONTROL; - break; -#endif -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - reg += OMAP1610_GPIO_DIRECTION; - break; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - case METHOD_GPIO_7XX: - reg += OMAP7XX_GPIO_DIR_CONTROL; - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - reg += OMAP24XX_GPIO_OE; - break; -#endif -#if defined(CONFIG_ARCH_OMAP4) - case METHOD_GPIO_44XX: - reg += OMAP4_GPIO_OE; - break; -#endif - default: - WARN_ON(1); - return; - } - l = __raw_readl(reg); - if (is_input) - l |= 1 << gpio; - else - l &= ~(1 << gpio); - __raw_writel(l, reg); -} - -static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable) -{ - void __iomem *reg = bank->base; - u32 l = 0; - - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP1 - case METHOD_MPUIO: - reg += OMAP_MPUIO_OUTPUT / bank->stride; - l = __raw_readl(reg); - if (enable) - l |= 1 << gpio; - else - l &= ~(1 << gpio); - break; -#endif -#ifdef CONFIG_ARCH_OMAP15XX - case METHOD_GPIO_1510: - reg += OMAP1510_GPIO_DATA_OUTPUT; - l = __raw_readl(reg); - if (enable) - l |= 1 << gpio; - else - l &= ~(1 << gpio); - break; -#endif -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - if (enable) - reg += OMAP1610_GPIO_SET_DATAOUT; - else - reg += OMAP1610_GPIO_CLEAR_DATAOUT; - l = 1 << gpio; - break; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - case METHOD_GPIO_7XX: - reg += OMAP7XX_GPIO_DATA_OUTPUT; - l = __raw_readl(reg); - if (enable) - l |= 1 << gpio; - else - l &= ~(1 << gpio); - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - if (enable) - reg += OMAP24XX_GPIO_SETDATAOUT; - else - reg += OMAP24XX_GPIO_CLEARDATAOUT; - l = 1 << gpio; - break; -#endif -#ifdef CONFIG_ARCH_OMAP4 - case METHOD_GPIO_44XX: - if (enable) - reg += OMAP4_GPIO_SETDATAOUT; - else - reg += OMAP4_GPIO_CLEARDATAOUT; - l = 1 << gpio; - break; -#endif - default: - WARN_ON(1); - return; - } - __raw_writel(l, reg); -} - -static int _get_gpio_datain(struct gpio_bank *bank, int gpio) -{ - void __iomem *reg; - - if (check_gpio(gpio) < 0) - return -EINVAL; - reg = bank->base; - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP1 - case METHOD_MPUIO: - reg += OMAP_MPUIO_INPUT_LATCH / bank->stride; - break; -#endif -#ifdef CONFIG_ARCH_OMAP15XX - case METHOD_GPIO_1510: - reg += OMAP1510_GPIO_DATA_INPUT; - break; -#endif -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - reg += OMAP1610_GPIO_DATAIN; - break; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - case METHOD_GPIO_7XX: - reg += OMAP7XX_GPIO_DATA_INPUT; - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - reg += OMAP24XX_GPIO_DATAIN; - break; -#endif -#ifdef CONFIG_ARCH_OMAP4 - case METHOD_GPIO_44XX: - reg += OMAP4_GPIO_DATAIN; - break; -#endif - default: - return -EINVAL; - } - return (__raw_readl(reg) - & (1 << get_gpio_index(gpio))) != 0; -} - -static int _get_gpio_dataout(struct gpio_bank *bank, int gpio) -{ - void __iomem *reg; - - if (check_gpio(gpio) < 0) - return -EINVAL; - reg = bank->base; - - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP1 - case METHOD_MPUIO: - reg += OMAP_MPUIO_OUTPUT / bank->stride; - break; -#endif -#ifdef CONFIG_ARCH_OMAP15XX - case METHOD_GPIO_1510: - reg += OMAP1510_GPIO_DATA_OUTPUT; - break; -#endif -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - reg += OMAP1610_GPIO_DATAOUT; - break; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - case METHOD_GPIO_7XX: - reg += OMAP7XX_GPIO_DATA_OUTPUT; - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - reg += OMAP24XX_GPIO_DATAOUT; - break; -#endif -#ifdef CONFIG_ARCH_OMAP4 - case METHOD_GPIO_44XX: - reg += OMAP4_GPIO_DATAOUT; - break; -#endif - default: - return -EINVAL; - } - - return (__raw_readl(reg) & (1 << get_gpio_index(gpio))) != 0; -} - -#define MOD_REG_BIT(reg, bit_mask, set) \ -do { \ - int l = __raw_readl(base + reg); \ - if (set) l |= bit_mask; \ - else l &= ~bit_mask; \ - __raw_writel(l, base + reg); \ -} while(0) - -/** - * _set_gpio_debounce - low level gpio debounce time - * @bank: the gpio bank we're acting upon - * @gpio: the gpio number on this @gpio - * @debounce: debounce time to use - * - * OMAP's debounce time is in 31us steps so we need - * to convert and round up to the closest unit. - */ -static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio, - unsigned debounce) -{ - void __iomem *reg = bank->base; - u32 val; - u32 l; - - if (!bank->dbck_flag) - return; - - if (debounce < 32) - debounce = 0x01; - else if (debounce > 7936) - debounce = 0xff; - else - debounce = (debounce / 0x1f) - 1; - - l = 1 << get_gpio_index(gpio); - - if (bank->method == METHOD_GPIO_44XX) - reg += OMAP4_GPIO_DEBOUNCINGTIME; - else - reg += OMAP24XX_GPIO_DEBOUNCE_VAL; - - __raw_writel(debounce, reg); - - reg = bank->base; - if (bank->method == METHOD_GPIO_44XX) - reg += OMAP4_GPIO_DEBOUNCENABLE; - else - reg += OMAP24XX_GPIO_DEBOUNCE_EN; - - val = __raw_readl(reg); - - if (debounce) { - val |= l; - clk_enable(bank->dbck); - } else { - val &= ~l; - clk_disable(bank->dbck); - } - bank->dbck_enable_mask = val; - - __raw_writel(val, reg); -} - -#ifdef CONFIG_ARCH_OMAP2PLUS -static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio, - int trigger) -{ - void __iomem *base = bank->base; - u32 gpio_bit = 1 << gpio; - u32 val; - - if (cpu_is_omap44xx()) { - MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT0, gpio_bit, - trigger & IRQ_TYPE_LEVEL_LOW); - MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT1, gpio_bit, - trigger & IRQ_TYPE_LEVEL_HIGH); - MOD_REG_BIT(OMAP4_GPIO_RISINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_RISING); - MOD_REG_BIT(OMAP4_GPIO_FALLINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_FALLING); - } else { - MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT0, gpio_bit, - trigger & IRQ_TYPE_LEVEL_LOW); - MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT1, gpio_bit, - trigger & IRQ_TYPE_LEVEL_HIGH); - MOD_REG_BIT(OMAP24XX_GPIO_RISINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_RISING); - MOD_REG_BIT(OMAP24XX_GPIO_FALLINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_FALLING); - } - if (likely(!(bank->non_wakeup_gpios & gpio_bit))) { - if (cpu_is_omap44xx()) { - if (trigger != 0) - __raw_writel(1 << gpio, bank->base+ - OMAP4_GPIO_IRQWAKEN0); - else { - val = __raw_readl(bank->base + - OMAP4_GPIO_IRQWAKEN0); - __raw_writel(val & (~(1 << gpio)), bank->base + - OMAP4_GPIO_IRQWAKEN0); - } - } else { - /* - * GPIO wakeup request can only be generated on edge - * transitions - */ - if (trigger & IRQ_TYPE_EDGE_BOTH) - __raw_writel(1 << gpio, bank->base - + OMAP24XX_GPIO_SETWKUENA); - else - __raw_writel(1 << gpio, bank->base - + OMAP24XX_GPIO_CLEARWKUENA); - } - } - /* This part needs to be executed always for OMAP34xx */ - if (cpu_is_omap34xx() || (bank->non_wakeup_gpios & gpio_bit)) { - /* - * Log the edge gpio and manually trigger the IRQ - * after resume if the input level changes - * to avoid irq lost during PER RET/OFF mode - * Applies for omap2 non-wakeup gpio and all omap3 gpios - */ - if (trigger & IRQ_TYPE_EDGE_BOTH) - bank->enabled_non_wakeup_gpios |= gpio_bit; - else - bank->enabled_non_wakeup_gpios &= ~gpio_bit; - } - - if (cpu_is_omap44xx()) { - bank->level_mask = - __raw_readl(bank->base + OMAP4_GPIO_LEVELDETECT0) | - __raw_readl(bank->base + OMAP4_GPIO_LEVELDETECT1); - } else { - bank->level_mask = - __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT0) | - __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT1); - } -} -#endif - -#ifdef CONFIG_ARCH_OMAP1 -/* - * This only applies to chips that can't do both rising and falling edge - * detection at once. For all other chips, this function is a noop. - */ -static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio) -{ - void __iomem *reg = bank->base; - u32 l = 0; - - switch (bank->method) { - case METHOD_MPUIO: - reg += OMAP_MPUIO_GPIO_INT_EDGE / bank->stride; - break; -#ifdef CONFIG_ARCH_OMAP15XX - case METHOD_GPIO_1510: - reg += OMAP1510_GPIO_INT_CONTROL; - break; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - case METHOD_GPIO_7XX: - reg += OMAP7XX_GPIO_INT_CONTROL; - break; -#endif - default: - return; - } - - l = __raw_readl(reg); - if ((l >> gpio) & 1) - l &= ~(1 << gpio); - else - l |= 1 << gpio; - - __raw_writel(l, reg); -} -#endif - -static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) -{ - void __iomem *reg = bank->base; - u32 l = 0; - - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP1 - case METHOD_MPUIO: - reg += OMAP_MPUIO_GPIO_INT_EDGE / bank->stride; - l = __raw_readl(reg); - if ((trigger & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) - bank->toggle_mask |= 1 << gpio; - if (trigger & IRQ_TYPE_EDGE_RISING) - l |= 1 << gpio; - else if (trigger & IRQ_TYPE_EDGE_FALLING) - l &= ~(1 << gpio); - else - goto bad; - break; -#endif -#ifdef CONFIG_ARCH_OMAP15XX - case METHOD_GPIO_1510: - reg += OMAP1510_GPIO_INT_CONTROL; - l = __raw_readl(reg); - if ((trigger & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) - bank->toggle_mask |= 1 << gpio; - if (trigger & IRQ_TYPE_EDGE_RISING) - l |= 1 << gpio; - else if (trigger & IRQ_TYPE_EDGE_FALLING) - l &= ~(1 << gpio); - else - goto bad; - break; -#endif -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - if (gpio & 0x08) - reg += OMAP1610_GPIO_EDGE_CTRL2; - else - reg += OMAP1610_GPIO_EDGE_CTRL1; - gpio &= 0x07; - l = __raw_readl(reg); - l &= ~(3 << (gpio << 1)); - if (trigger & IRQ_TYPE_EDGE_RISING) - l |= 2 << (gpio << 1); - if (trigger & IRQ_TYPE_EDGE_FALLING) - l |= 1 << (gpio << 1); - if (trigger) - /* Enable wake-up during idle for dynamic tick */ - __raw_writel(1 << gpio, bank->base + OMAP1610_GPIO_SET_WAKEUPENA); - else - __raw_writel(1 << gpio, bank->base + OMAP1610_GPIO_CLEAR_WAKEUPENA); - break; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - case METHOD_GPIO_7XX: - reg += OMAP7XX_GPIO_INT_CONTROL; - l = __raw_readl(reg); - if ((trigger & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) - bank->toggle_mask |= 1 << gpio; - if (trigger & IRQ_TYPE_EDGE_RISING) - l |= 1 << gpio; - else if (trigger & IRQ_TYPE_EDGE_FALLING) - l &= ~(1 << gpio); - else - goto bad; - break; -#endif -#ifdef CONFIG_ARCH_OMAP2PLUS - case METHOD_GPIO_24XX: - case METHOD_GPIO_44XX: - set_24xx_gpio_triggering(bank, gpio, trigger); - return 0; -#endif - default: - goto bad; - } - __raw_writel(l, reg); - return 0; -bad: - return -EINVAL; -} - -static int gpio_irq_type(struct irq_data *d, unsigned type) -{ - struct gpio_bank *bank; - unsigned gpio; - int retval; - unsigned long flags; - - if (!cpu_class_is_omap2() && d->irq > IH_MPUIO_BASE) - gpio = OMAP_MPUIO(d->irq - IH_MPUIO_BASE); - else - gpio = d->irq - IH_GPIO_BASE; - - if (check_gpio(gpio) < 0) - return -EINVAL; - - if (type & ~IRQ_TYPE_SENSE_MASK) - return -EINVAL; - - /* OMAP1 allows only only edge triggering */ - if (!cpu_class_is_omap2() - && (type & (IRQ_TYPE_LEVEL_LOW|IRQ_TYPE_LEVEL_HIGH))) - return -EINVAL; - - bank = irq_data_get_irq_chip_data(d); - spin_lock_irqsave(&bank->lock, flags); - retval = _set_gpio_triggering(bank, get_gpio_index(gpio), type); - if (retval == 0) { - struct irq_desc *desc = irq_to_desc(d->irq); - - desc->status &= ~IRQ_TYPE_SENSE_MASK; - desc->status |= type; - } - spin_unlock_irqrestore(&bank->lock, flags); - - if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) - __set_irq_handler_unlocked(d->irq, handle_level_irq); - else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) - __set_irq_handler_unlocked(d->irq, handle_edge_irq); - - return retval; -} - -static void _clear_gpio_irqbank(struct gpio_bank *bank, int gpio_mask) -{ - void __iomem *reg = bank->base; - - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP1 - case METHOD_MPUIO: - /* MPUIO irqstatus is reset by reading the status register, - * so do nothing here */ - return; -#endif -#ifdef CONFIG_ARCH_OMAP15XX - case METHOD_GPIO_1510: - reg += OMAP1510_GPIO_INT_STATUS; - break; -#endif -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - reg += OMAP1610_GPIO_IRQSTATUS1; - break; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - case METHOD_GPIO_7XX: - reg += OMAP7XX_GPIO_INT_STATUS; - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - reg += OMAP24XX_GPIO_IRQSTATUS1; - break; -#endif -#if defined(CONFIG_ARCH_OMAP4) - case METHOD_GPIO_44XX: - reg += OMAP4_GPIO_IRQSTATUS0; - break; -#endif - default: - WARN_ON(1); - return; - } - __raw_writel(gpio_mask, reg); - - /* Workaround for clearing DSP GPIO interrupts to allow retention */ - if (cpu_is_omap24xx() || cpu_is_omap34xx()) - reg = bank->base + OMAP24XX_GPIO_IRQSTATUS2; - else if (cpu_is_omap44xx()) - reg = bank->base + OMAP4_GPIO_IRQSTATUS1; - - if (cpu_is_omap24xx() || cpu_is_omap34xx() || cpu_is_omap44xx()) { - __raw_writel(gpio_mask, reg); - - /* Flush posted write for the irq status to avoid spurious interrupts */ - __raw_readl(reg); - } -} - -static inline void _clear_gpio_irqstatus(struct gpio_bank *bank, int gpio) -{ - _clear_gpio_irqbank(bank, 1 << get_gpio_index(gpio)); -} - -static u32 _get_gpio_irqbank_mask(struct gpio_bank *bank) -{ - void __iomem *reg = bank->base; - int inv = 0; - u32 l; - u32 mask; - - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP1 - case METHOD_MPUIO: - reg += OMAP_MPUIO_GPIO_MASKIT / bank->stride; - mask = 0xffff; - inv = 1; - break; -#endif -#ifdef CONFIG_ARCH_OMAP15XX - case METHOD_GPIO_1510: - reg += OMAP1510_GPIO_INT_MASK; - mask = 0xffff; - inv = 1; - break; -#endif -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - reg += OMAP1610_GPIO_IRQENABLE1; - mask = 0xffff; - break; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - case METHOD_GPIO_7XX: - reg += OMAP7XX_GPIO_INT_MASK; - mask = 0xffffffff; - inv = 1; - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - reg += OMAP24XX_GPIO_IRQENABLE1; - mask = 0xffffffff; - break; -#endif -#if defined(CONFIG_ARCH_OMAP4) - case METHOD_GPIO_44XX: - reg += OMAP4_GPIO_IRQSTATUSSET0; - mask = 0xffffffff; - break; -#endif - default: - WARN_ON(1); - return 0; - } - - l = __raw_readl(reg); - if (inv) - l = ~l; - l &= mask; - return l; -} - -static void _enable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask, int enable) -{ - void __iomem *reg = bank->base; - u32 l; - - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP1 - case METHOD_MPUIO: - reg += OMAP_MPUIO_GPIO_MASKIT / bank->stride; - l = __raw_readl(reg); - if (enable) - l &= ~(gpio_mask); - else - l |= gpio_mask; - break; -#endif -#ifdef CONFIG_ARCH_OMAP15XX - case METHOD_GPIO_1510: - reg += OMAP1510_GPIO_INT_MASK; - l = __raw_readl(reg); - if (enable) - l &= ~(gpio_mask); - else - l |= gpio_mask; - break; -#endif -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - if (enable) - reg += OMAP1610_GPIO_SET_IRQENABLE1; - else - reg += OMAP1610_GPIO_CLEAR_IRQENABLE1; - l = gpio_mask; - break; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - case METHOD_GPIO_7XX: - reg += OMAP7XX_GPIO_INT_MASK; - l = __raw_readl(reg); - if (enable) - l &= ~(gpio_mask); - else - l |= gpio_mask; - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - if (enable) - reg += OMAP24XX_GPIO_SETIRQENABLE1; - else - reg += OMAP24XX_GPIO_CLEARIRQENABLE1; - l = gpio_mask; - break; -#endif -#ifdef CONFIG_ARCH_OMAP4 - case METHOD_GPIO_44XX: - if (enable) - reg += OMAP4_GPIO_IRQSTATUSSET0; - else - reg += OMAP4_GPIO_IRQSTATUSCLR0; - l = gpio_mask; - break; -#endif - default: - WARN_ON(1); - return; - } - __raw_writel(l, reg); -} - -static inline void _set_gpio_irqenable(struct gpio_bank *bank, int gpio, int enable) -{ - _enable_gpio_irqbank(bank, 1 << get_gpio_index(gpio), enable); -} - -/* - * Note that ENAWAKEUP needs to be enabled in GPIO_SYSCONFIG register. - * 1510 does not seem to have a wake-up register. If JTAG is connected - * to the target, system will wake up always on GPIO events. While - * system is running all registered GPIO interrupts need to have wake-up - * enabled. When system is suspended, only selected GPIO interrupts need - * to have wake-up enabled. - */ -static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable) -{ - unsigned long uninitialized_var(flags); - - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_MPUIO: - case METHOD_GPIO_1610: - spin_lock_irqsave(&bank->lock, flags); - if (enable) - bank->suspend_wakeup |= (1 << gpio); - else - bank->suspend_wakeup &= ~(1 << gpio); - spin_unlock_irqrestore(&bank->lock, flags); - return 0; -#endif -#ifdef CONFIG_ARCH_OMAP2PLUS - case METHOD_GPIO_24XX: - case METHOD_GPIO_44XX: - if (bank->non_wakeup_gpios & (1 << gpio)) { - printk(KERN_ERR "Unable to modify wakeup on " - "non-wakeup GPIO%d\n", - (bank - gpio_bank) * 32 + gpio); - return -EINVAL; - } - spin_lock_irqsave(&bank->lock, flags); - if (enable) - bank->suspend_wakeup |= (1 << gpio); - else - bank->suspend_wakeup &= ~(1 << gpio); - spin_unlock_irqrestore(&bank->lock, flags); - return 0; -#endif - default: - printk(KERN_ERR "Can't enable GPIO wakeup for method %i\n", - bank->method); - return -EINVAL; - } -} - -static void _reset_gpio(struct gpio_bank *bank, int gpio) -{ - _set_gpio_direction(bank, get_gpio_index(gpio), 1); - _set_gpio_irqenable(bank, gpio, 0); - _clear_gpio_irqstatus(bank, gpio); - _set_gpio_triggering(bank, get_gpio_index(gpio), IRQ_TYPE_NONE); -} - -/* Use disable_irq_wake() and enable_irq_wake() functions from drivers */ -static int gpio_wake_enable(struct irq_data *d, unsigned int enable) -{ - unsigned int gpio = d->irq - IH_GPIO_BASE; - struct gpio_bank *bank; - int retval; - - if (check_gpio(gpio) < 0) - return -ENODEV; - bank = irq_data_get_irq_chip_data(d); - retval = _set_gpio_wakeup(bank, get_gpio_index(gpio), enable); - - return retval; -} - -static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) -{ - struct gpio_bank *bank = container_of(chip, struct gpio_bank, chip); - unsigned long flags; - - spin_lock_irqsave(&bank->lock, flags); - - /* Set trigger to none. You need to enable the desired trigger with - * request_irq() or set_irq_type(). - */ - _set_gpio_triggering(bank, offset, IRQ_TYPE_NONE); - -#ifdef CONFIG_ARCH_OMAP15XX - if (bank->method == METHOD_GPIO_1510) { - void __iomem *reg; - - /* Claim the pin for MPU */ - reg = bank->base + OMAP1510_GPIO_PIN_CONTROL; - __raw_writel(__raw_readl(reg) | (1 << offset), reg); - } -#endif - if (!cpu_class_is_omap1()) { - if (!bank->mod_usage) { - void __iomem *reg = bank->base; - u32 ctrl; - - if (cpu_is_omap24xx() || cpu_is_omap34xx()) - reg += OMAP24XX_GPIO_CTRL; - else if (cpu_is_omap44xx()) - reg += OMAP4_GPIO_CTRL; - ctrl = __raw_readl(reg); - /* Module is enabled, clocks are not gated */ - ctrl &= 0xFFFFFFFE; - __raw_writel(ctrl, reg); - } - bank->mod_usage |= 1 << offset; - } - spin_unlock_irqrestore(&bank->lock, flags); - - return 0; -} - -static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) -{ - struct gpio_bank *bank = container_of(chip, struct gpio_bank, chip); - unsigned long flags; - - spin_lock_irqsave(&bank->lock, flags); -#ifdef CONFIG_ARCH_OMAP16XX - if (bank->method == METHOD_GPIO_1610) { - /* Disable wake-up during idle for dynamic tick */ - void __iomem *reg = bank->base + OMAP1610_GPIO_CLEAR_WAKEUPENA; - __raw_writel(1 << offset, reg); - } -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - if (bank->method == METHOD_GPIO_24XX) { - /* Disable wake-up during idle for dynamic tick */ - void __iomem *reg = bank->base + OMAP24XX_GPIO_CLEARWKUENA; - __raw_writel(1 << offset, reg); - } -#endif -#ifdef CONFIG_ARCH_OMAP4 - if (bank->method == METHOD_GPIO_44XX) { - /* Disable wake-up during idle for dynamic tick */ - void __iomem *reg = bank->base + OMAP4_GPIO_IRQWAKEN0; - __raw_writel(1 << offset, reg); - } -#endif - if (!cpu_class_is_omap1()) { - bank->mod_usage &= ~(1 << offset); - if (!bank->mod_usage) { - void __iomem *reg = bank->base; - u32 ctrl; - - if (cpu_is_omap24xx() || cpu_is_omap34xx()) - reg += OMAP24XX_GPIO_CTRL; - else if (cpu_is_omap44xx()) - reg += OMAP4_GPIO_CTRL; - ctrl = __raw_readl(reg); - /* Module is disabled, clocks are gated */ - ctrl |= 1; - __raw_writel(ctrl, reg); - } - } - _reset_gpio(bank, bank->chip.base + offset); - spin_unlock_irqrestore(&bank->lock, flags); -} - -/* - * We need to unmask the GPIO bank interrupt as soon as possible to - * avoid missing GPIO interrupts for other lines in the bank. - * Then we need to mask-read-clear-unmask the triggered GPIO lines - * in the bank to avoid missing nested interrupts for a GPIO line. - * If we wait to unmask individual GPIO lines in the bank after the - * line's interrupt handler has been run, we may miss some nested - * interrupts. - */ -static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - void __iomem *isr_reg = NULL; - u32 isr; - unsigned int gpio_irq, gpio_index; - struct gpio_bank *bank; - u32 retrigger = 0; - int unmasked = 0; - - desc->irq_data.chip->irq_ack(&desc->irq_data); - - bank = get_irq_data(irq); -#ifdef CONFIG_ARCH_OMAP1 - if (bank->method == METHOD_MPUIO) - isr_reg = bank->base + - OMAP_MPUIO_GPIO_INT / bank->stride; -#endif -#ifdef CONFIG_ARCH_OMAP15XX - if (bank->method == METHOD_GPIO_1510) - isr_reg = bank->base + OMAP1510_GPIO_INT_STATUS; -#endif -#if defined(CONFIG_ARCH_OMAP16XX) - if (bank->method == METHOD_GPIO_1610) - isr_reg = bank->base + OMAP1610_GPIO_IRQSTATUS1; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - if (bank->method == METHOD_GPIO_7XX) - isr_reg = bank->base + OMAP7XX_GPIO_INT_STATUS; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - if (bank->method == METHOD_GPIO_24XX) - isr_reg = bank->base + OMAP24XX_GPIO_IRQSTATUS1; -#endif -#if defined(CONFIG_ARCH_OMAP4) - if (bank->method == METHOD_GPIO_44XX) - isr_reg = bank->base + OMAP4_GPIO_IRQSTATUS0; -#endif - - if (WARN_ON(!isr_reg)) - goto exit; - - while(1) { - u32 isr_saved, level_mask = 0; - u32 enabled; - - enabled = _get_gpio_irqbank_mask(bank); - isr_saved = isr = __raw_readl(isr_reg) & enabled; - - if (cpu_is_omap15xx() && (bank->method == METHOD_MPUIO)) - isr &= 0x0000ffff; - - if (cpu_class_is_omap2()) { - level_mask = bank->level_mask & enabled; - } - - /* clear edge sensitive interrupts before handler(s) are - called so that we don't miss any interrupt occurred while - executing them */ - _enable_gpio_irqbank(bank, isr_saved & ~level_mask, 0); - _clear_gpio_irqbank(bank, isr_saved & ~level_mask); - _enable_gpio_irqbank(bank, isr_saved & ~level_mask, 1); - - /* if there is only edge sensitive GPIO pin interrupts - configured, we could unmask GPIO bank interrupt immediately */ - if (!level_mask && !unmasked) { - unmasked = 1; - desc->irq_data.chip->irq_unmask(&desc->irq_data); - } - - isr |= retrigger; - retrigger = 0; - if (!isr) - break; - - gpio_irq = bank->virtual_irq_start; - for (; isr != 0; isr >>= 1, gpio_irq++) { - gpio_index = get_gpio_index(irq_to_gpio(gpio_irq)); - - if (!(isr & 1)) - continue; - -#ifdef CONFIG_ARCH_OMAP1 - /* - * Some chips can't respond to both rising and falling - * at the same time. If this irq was requested with - * both flags, we need to flip the ICR data for the IRQ - * to respond to the IRQ for the opposite direction. - * This will be indicated in the bank toggle_mask. - */ - if (bank->toggle_mask & (1 << gpio_index)) - _toggle_gpio_edge_triggering(bank, gpio_index); -#endif - - generic_handle_irq(gpio_irq); - } - } - /* if bank has any level sensitive GPIO pin interrupt - configured, we must unmask the bank interrupt only after - handler(s) are executed in order to avoid spurious bank - interrupt */ -exit: - if (!unmasked) - desc->irq_data.chip->irq_unmask(&desc->irq_data); -} - -static void gpio_irq_shutdown(struct irq_data *d) -{ - unsigned int gpio = d->irq - IH_GPIO_BASE; - struct gpio_bank *bank = irq_data_get_irq_chip_data(d); - - _reset_gpio(bank, gpio); -} - -static void gpio_ack_irq(struct irq_data *d) -{ - unsigned int gpio = d->irq - IH_GPIO_BASE; - struct gpio_bank *bank = irq_data_get_irq_chip_data(d); - - _clear_gpio_irqstatus(bank, gpio); -} - -static void gpio_mask_irq(struct irq_data *d) -{ - unsigned int gpio = d->irq - IH_GPIO_BASE; - struct gpio_bank *bank = irq_data_get_irq_chip_data(d); - - _set_gpio_irqenable(bank, gpio, 0); - _set_gpio_triggering(bank, get_gpio_index(gpio), IRQ_TYPE_NONE); -} - -static void gpio_unmask_irq(struct irq_data *d) -{ - unsigned int gpio = d->irq - IH_GPIO_BASE; - struct gpio_bank *bank = irq_data_get_irq_chip_data(d); - unsigned int irq_mask = 1 << get_gpio_index(gpio); - struct irq_desc *desc = irq_to_desc(d->irq); - u32 trigger = desc->status & IRQ_TYPE_SENSE_MASK; - - if (trigger) - _set_gpio_triggering(bank, get_gpio_index(gpio), trigger); - - /* For level-triggered GPIOs, the clearing must be done after - * the HW source is cleared, thus after the handler has run */ - if (bank->level_mask & irq_mask) { - _set_gpio_irqenable(bank, gpio, 0); - _clear_gpio_irqstatus(bank, gpio); - } - - _set_gpio_irqenable(bank, gpio, 1); -} - -static struct irq_chip gpio_irq_chip = { - .name = "GPIO", - .irq_shutdown = gpio_irq_shutdown, - .irq_ack = gpio_ack_irq, - .irq_mask = gpio_mask_irq, - .irq_unmask = gpio_unmask_irq, - .irq_set_type = gpio_irq_type, - .irq_set_wake = gpio_wake_enable, -}; - -/*---------------------------------------------------------------------*/ - -#ifdef CONFIG_ARCH_OMAP1 - -/* MPUIO uses the always-on 32k clock */ - -static void mpuio_ack_irq(struct irq_data *d) -{ - /* The ISR is reset automatically, so do nothing here. */ -} - -static void mpuio_mask_irq(struct irq_data *d) -{ - unsigned int gpio = OMAP_MPUIO(d->irq - IH_MPUIO_BASE); - struct gpio_bank *bank = irq_data_get_irq_chip_data(d); - - _set_gpio_irqenable(bank, gpio, 0); -} - -static void mpuio_unmask_irq(struct irq_data *d) -{ - unsigned int gpio = OMAP_MPUIO(d->irq - IH_MPUIO_BASE); - struct gpio_bank *bank = irq_data_get_irq_chip_data(d); - - _set_gpio_irqenable(bank, gpio, 1); -} - -static struct irq_chip mpuio_irq_chip = { - .name = "MPUIO", - .irq_ack = mpuio_ack_irq, - .irq_mask = mpuio_mask_irq, - .irq_unmask = mpuio_unmask_irq, - .irq_set_type = gpio_irq_type, -#ifdef CONFIG_ARCH_OMAP16XX - /* REVISIT: assuming only 16xx supports MPUIO wake events */ - .irq_set_wake = gpio_wake_enable, -#endif -}; - - -#define bank_is_mpuio(bank) ((bank)->method == METHOD_MPUIO) - - -#ifdef CONFIG_ARCH_OMAP16XX - -#include <linux/platform_device.h> - -static int omap_mpuio_suspend_noirq(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct gpio_bank *bank = platform_get_drvdata(pdev); - void __iomem *mask_reg = bank->base + - OMAP_MPUIO_GPIO_MASKIT / bank->stride; - unsigned long flags; - - spin_lock_irqsave(&bank->lock, flags); - bank->saved_wakeup = __raw_readl(mask_reg); - __raw_writel(0xffff & ~bank->suspend_wakeup, mask_reg); - spin_unlock_irqrestore(&bank->lock, flags); - - return 0; -} - -static int omap_mpuio_resume_noirq(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct gpio_bank *bank = platform_get_drvdata(pdev); - void __iomem *mask_reg = bank->base + - OMAP_MPUIO_GPIO_MASKIT / bank->stride; - unsigned long flags; - - spin_lock_irqsave(&bank->lock, flags); - __raw_writel(bank->saved_wakeup, mask_reg); - spin_unlock_irqrestore(&bank->lock, flags); - - return 0; -} - -static const struct dev_pm_ops omap_mpuio_dev_pm_ops = { - .suspend_noirq = omap_mpuio_suspend_noirq, - .resume_noirq = omap_mpuio_resume_noirq, -}; - -/* use platform_driver for this, now that there's no longer any - * point to sys_device (other than not disturbing old code). - */ -static struct platform_driver omap_mpuio_driver = { - .driver = { - .name = "mpuio", - .pm = &omap_mpuio_dev_pm_ops, - }, -}; - -static struct platform_device omap_mpuio_device = { - .name = "mpuio", - .id = -1, - .dev = { - .driver = &omap_mpuio_driver.driver, - } - /* could list the /proc/iomem resources */ -}; - -static inline void mpuio_init(void) -{ - struct gpio_bank *bank = get_gpio_bank(OMAP_MPUIO(0)); - platform_set_drvdata(&omap_mpuio_device, bank); - - if (platform_driver_register(&omap_mpuio_driver) == 0) - (void) platform_device_register(&omap_mpuio_device); -} - -#else -static inline void mpuio_init(void) {} -#endif /* 16xx */ - -#else - -extern struct irq_chip mpuio_irq_chip; - -#define bank_is_mpuio(bank) 0 -static inline void mpuio_init(void) {} - -#endif - -/*---------------------------------------------------------------------*/ - -/* REVISIT these are stupid implementations! replace by ones that - * don't switch on METHOD_* and which mostly avoid spinlocks - */ - -static int gpio_input(struct gpio_chip *chip, unsigned offset) -{ - struct gpio_bank *bank; - unsigned long flags; - - bank = container_of(chip, struct gpio_bank, chip); - spin_lock_irqsave(&bank->lock, flags); - _set_gpio_direction(bank, offset, 1); - spin_unlock_irqrestore(&bank->lock, flags); - return 0; -} - -static int gpio_is_input(struct gpio_bank *bank, int mask) -{ - void __iomem *reg = bank->base; - - switch (bank->method) { - case METHOD_MPUIO: - reg += OMAP_MPUIO_IO_CNTL / bank->stride; - break; - case METHOD_GPIO_1510: - reg += OMAP1510_GPIO_DIR_CONTROL; - break; - case METHOD_GPIO_1610: - reg += OMAP1610_GPIO_DIRECTION; - break; - case METHOD_GPIO_7XX: - reg += OMAP7XX_GPIO_DIR_CONTROL; - break; - case METHOD_GPIO_24XX: - reg += OMAP24XX_GPIO_OE; - break; - case METHOD_GPIO_44XX: - reg += OMAP4_GPIO_OE; - break; - default: - WARN_ONCE(1, "gpio_is_input: incorrect OMAP GPIO method"); - return -EINVAL; - } - return __raw_readl(reg) & mask; -} - -static int gpio_get(struct gpio_chip *chip, unsigned offset) -{ - struct gpio_bank *bank; - void __iomem *reg; - int gpio; - u32 mask; - - gpio = chip->base + offset; - bank = get_gpio_bank(gpio); - reg = bank->base; - mask = 1 << get_gpio_index(gpio); - - if (gpio_is_input(bank, mask)) - return _get_gpio_datain(bank, gpio); - else - return _get_gpio_dataout(bank, gpio); -} - -static int gpio_output(struct gpio_chip *chip, unsigned offset, int value) -{ - struct gpio_bank *bank; - unsigned long flags; - - bank = container_of(chip, struct gpio_bank, chip); - spin_lock_irqsave(&bank->lock, flags); - _set_gpio_dataout(bank, offset, value); - _set_gpio_direction(bank, offset, 0); - spin_unlock_irqrestore(&bank->lock, flags); - return 0; -} - -static int gpio_debounce(struct gpio_chip *chip, unsigned offset, - unsigned debounce) -{ - struct gpio_bank *bank; - unsigned long flags; - - bank = container_of(chip, struct gpio_bank, chip); - - if (!bank->dbck) { - bank->dbck = clk_get(bank->dev, "dbclk"); - if (IS_ERR(bank->dbck)) - dev_err(bank->dev, "Could not get gpio dbck\n"); - } - - spin_lock_irqsave(&bank->lock, flags); - _set_gpio_debounce(bank, offset, debounce); - spin_unlock_irqrestore(&bank->lock, flags); - - return 0; -} - -static void gpio_set(struct gpio_chip *chip, unsigned offset, int value) -{ - struct gpio_bank *bank; - unsigned long flags; - - bank = container_of(chip, struct gpio_bank, chip); - spin_lock_irqsave(&bank->lock, flags); - _set_gpio_dataout(bank, offset, value); - spin_unlock_irqrestore(&bank->lock, flags); -} - -static int gpio_2irq(struct gpio_chip *chip, unsigned offset) -{ - struct gpio_bank *bank; - - bank = container_of(chip, struct gpio_bank, chip); - return bank->virtual_irq_start + offset; -} - -/*---------------------------------------------------------------------*/ - -static void __init omap_gpio_show_rev(struct gpio_bank *bank) -{ - u32 rev; - - if (cpu_is_omap16xx() && !(bank->method != METHOD_MPUIO)) - rev = __raw_readw(bank->base + OMAP1610_GPIO_REVISION); - else if (cpu_is_omap24xx() || cpu_is_omap34xx()) - rev = __raw_readl(bank->base + OMAP24XX_GPIO_REVISION); - else if (cpu_is_omap44xx()) - rev = __raw_readl(bank->base + OMAP4_GPIO_REVISION); - else - return; - - printk(KERN_INFO "OMAP GPIO hardware version %d.%d\n", - (rev >> 4) & 0x0f, rev & 0x0f); -} - -/* This lock class tells lockdep that GPIO irqs are in a different - * category than their parents, so it won't report false recursion. - */ -static struct lock_class_key gpio_lock_class; - -static inline int init_gpio_info(struct platform_device *pdev) -{ - /* TODO: Analyze removing gpio_bank_count usage from driver code */ - gpio_bank = kzalloc(gpio_bank_count * sizeof(struct gpio_bank), - GFP_KERNEL); - if (!gpio_bank) { - dev_err(&pdev->dev, "Memory alloc failed for gpio_bank\n"); - return -ENOMEM; - } - return 0; -} - -/* TODO: Cleanup cpu_is_* checks */ -static void omap_gpio_mod_init(struct gpio_bank *bank, int id) -{ - if (cpu_class_is_omap2()) { - if (cpu_is_omap44xx()) { - __raw_writel(0xffffffff, bank->base + - OMAP4_GPIO_IRQSTATUSCLR0); - __raw_writel(0x00000000, bank->base + - OMAP4_GPIO_DEBOUNCENABLE); - /* Initialize interface clk ungated, module enabled */ - __raw_writel(0, bank->base + OMAP4_GPIO_CTRL); - } else if (cpu_is_omap34xx()) { - __raw_writel(0x00000000, bank->base + - OMAP24XX_GPIO_IRQENABLE1); - __raw_writel(0xffffffff, bank->base + - OMAP24XX_GPIO_IRQSTATUS1); - __raw_writel(0x00000000, bank->base + - OMAP24XX_GPIO_DEBOUNCE_EN); - - /* Initialize interface clk ungated, module enabled */ - __raw_writel(0, bank->base + OMAP24XX_GPIO_CTRL); - } else if (cpu_is_omap24xx()) { - static const u32 non_wakeup_gpios[] = { - 0xe203ffc0, 0x08700040 - }; - if (id < ARRAY_SIZE(non_wakeup_gpios)) - bank->non_wakeup_gpios = non_wakeup_gpios[id]; - } - } else if (cpu_class_is_omap1()) { - if (bank_is_mpuio(bank)) - __raw_writew(0xffff, bank->base + - OMAP_MPUIO_GPIO_MASKIT / bank->stride); - if (cpu_is_omap15xx() && bank->method == METHOD_GPIO_1510) { - __raw_writew(0xffff, bank->base - + OMAP1510_GPIO_INT_MASK); - __raw_writew(0x0000, bank->base - + OMAP1510_GPIO_INT_STATUS); - } - if (cpu_is_omap16xx() && bank->method == METHOD_GPIO_1610) { - __raw_writew(0x0000, bank->base - + OMAP1610_GPIO_IRQENABLE1); - __raw_writew(0xffff, bank->base - + OMAP1610_GPIO_IRQSTATUS1); - __raw_writew(0x0014, bank->base - + OMAP1610_GPIO_SYSCONFIG); - - /* - * Enable system clock for GPIO module. - * The CAM_CLK_CTRL *is* really the right place. - */ - omap_writel(omap_readl(ULPD_CAM_CLK_CTRL) | 0x04, - ULPD_CAM_CLK_CTRL); - } - if (cpu_is_omap7xx() && bank->method == METHOD_GPIO_7XX) { - __raw_writel(0xffffffff, bank->base - + OMAP7XX_GPIO_INT_MASK); - __raw_writel(0x00000000, bank->base - + OMAP7XX_GPIO_INT_STATUS); - } - } -} - -static void __init omap_gpio_chip_init(struct gpio_bank *bank) -{ - int j; - static int gpio; - - bank->mod_usage = 0; - /* - * REVISIT eventually switch from OMAP-specific gpio structs - * over to the generic ones - */ - bank->chip.request = omap_gpio_request; - bank->chip.free = omap_gpio_free; - bank->chip.direction_input = gpio_input; - bank->chip.get = gpio_get; - bank->chip.direction_output = gpio_output; - bank->chip.set_debounce = gpio_debounce; - bank->chip.set = gpio_set; - bank->chip.to_irq = gpio_2irq; - if (bank_is_mpuio(bank)) { - bank->chip.label = "mpuio"; -#ifdef CONFIG_ARCH_OMAP16XX - bank->chip.dev = &omap_mpuio_device.dev; -#endif - bank->chip.base = OMAP_MPUIO(0); - } else { - bank->chip.label = "gpio"; - bank->chip.base = gpio; - gpio += bank_width; - } - bank->chip.ngpio = bank_width; - - gpiochip_add(&bank->chip); - - for (j = bank->virtual_irq_start; - j < bank->virtual_irq_start + bank_width; j++) { - struct irq_desc *d = irq_to_desc(j); - - lockdep_set_class(&d->lock, &gpio_lock_class); - set_irq_chip_data(j, bank); - if (bank_is_mpuio(bank)) - set_irq_chip(j, &mpuio_irq_chip); - else - set_irq_chip(j, &gpio_irq_chip); - set_irq_handler(j, handle_simple_irq); - set_irq_flags(j, IRQF_VALID); - } - set_irq_chained_handler(bank->irq, gpio_irq_handler); - set_irq_data(bank->irq, bank); -} - -static int __devinit omap_gpio_probe(struct platform_device *pdev) -{ - static int gpio_init_done; - struct omap_gpio_platform_data *pdata; - struct resource *res; - int id; - struct gpio_bank *bank; - - if (!pdev->dev.platform_data) - return -EINVAL; - - pdata = pdev->dev.platform_data; - - if (!gpio_init_done) { - int ret; - - ret = init_gpio_info(pdev); - if (ret) - return ret; - } - - id = pdev->id; - bank = &gpio_bank[id]; - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (unlikely(!res)) { - dev_err(&pdev->dev, "GPIO Bank %i Invalid IRQ resource\n", id); - return -ENODEV; - } - - bank->irq = res->start; - bank->virtual_irq_start = pdata->virtual_irq_start; - bank->method = pdata->bank_type; - bank->dev = &pdev->dev; - bank->dbck_flag = pdata->dbck_flag; - bank->stride = pdata->bank_stride; - bank_width = pdata->bank_width; - - spin_lock_init(&bank->lock); - - /* Static mapping, never released */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (unlikely(!res)) { - dev_err(&pdev->dev, "GPIO Bank %i Invalid mem resource\n", id); - return -ENODEV; - } - - bank->base = ioremap(res->start, resource_size(res)); - if (!bank->base) { - dev_err(&pdev->dev, "Could not ioremap gpio bank%i\n", id); - return -ENOMEM; - } - - pm_runtime_enable(bank->dev); - pm_runtime_get_sync(bank->dev); - - omap_gpio_mod_init(bank, id); - omap_gpio_chip_init(bank); - omap_gpio_show_rev(bank); - - if (!gpio_init_done) - gpio_init_done = 1; - - return 0; -} - -#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS) -static int omap_gpio_suspend(struct sys_device *dev, pm_message_t mesg) -{ - int i; - - if (!cpu_class_is_omap2() && !cpu_is_omap16xx()) - return 0; - - for (i = 0; i < gpio_bank_count; i++) { - struct gpio_bank *bank = &gpio_bank[i]; - void __iomem *wake_status; - void __iomem *wake_clear; - void __iomem *wake_set; - unsigned long flags; - - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - wake_status = bank->base + OMAP1610_GPIO_WAKEUPENABLE; - wake_clear = bank->base + OMAP1610_GPIO_CLEAR_WAKEUPENA; - wake_set = bank->base + OMAP1610_GPIO_SET_WAKEUPENA; - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - wake_status = bank->base + OMAP24XX_GPIO_WAKE_EN; - wake_clear = bank->base + OMAP24XX_GPIO_CLEARWKUENA; - wake_set = bank->base + OMAP24XX_GPIO_SETWKUENA; - break; -#endif -#ifdef CONFIG_ARCH_OMAP4 - case METHOD_GPIO_44XX: - wake_status = bank->base + OMAP4_GPIO_IRQWAKEN0; - wake_clear = bank->base + OMAP4_GPIO_IRQWAKEN0; - wake_set = bank->base + OMAP4_GPIO_IRQWAKEN0; - break; -#endif - default: - continue; - } - - spin_lock_irqsave(&bank->lock, flags); - bank->saved_wakeup = __raw_readl(wake_status); - __raw_writel(0xffffffff, wake_clear); - __raw_writel(bank->suspend_wakeup, wake_set); - spin_unlock_irqrestore(&bank->lock, flags); - } - - return 0; -} - -static int omap_gpio_resume(struct sys_device *dev) -{ - int i; - - if (!cpu_class_is_omap2() && !cpu_is_omap16xx()) - return 0; - - for (i = 0; i < gpio_bank_count; i++) { - struct gpio_bank *bank = &gpio_bank[i]; - void __iomem *wake_clear; - void __iomem *wake_set; - unsigned long flags; - - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - wake_clear = bank->base + OMAP1610_GPIO_CLEAR_WAKEUPENA; - wake_set = bank->base + OMAP1610_GPIO_SET_WAKEUPENA; - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - wake_clear = bank->base + OMAP24XX_GPIO_CLEARWKUENA; - wake_set = bank->base + OMAP24XX_GPIO_SETWKUENA; - break; -#endif -#ifdef CONFIG_ARCH_OMAP4 - case METHOD_GPIO_44XX: - wake_clear = bank->base + OMAP4_GPIO_IRQWAKEN0; - wake_set = bank->base + OMAP4_GPIO_IRQWAKEN0; - break; -#endif - default: - continue; - } - - spin_lock_irqsave(&bank->lock, flags); - __raw_writel(0xffffffff, wake_clear); - __raw_writel(bank->saved_wakeup, wake_set); - spin_unlock_irqrestore(&bank->lock, flags); - } - - return 0; -} - -static struct sysdev_class omap_gpio_sysclass = { - .name = "gpio", - .suspend = omap_gpio_suspend, - .resume = omap_gpio_resume, -}; - -static struct sys_device omap_gpio_device = { - .id = 0, - .cls = &omap_gpio_sysclass, -}; - -#endif - -#ifdef CONFIG_ARCH_OMAP2PLUS - -static int workaround_enabled; - -void omap2_gpio_prepare_for_idle(int off_mode) -{ - int i, c = 0; - int min = 0; - - if (cpu_is_omap34xx()) - min = 1; - - for (i = min; i < gpio_bank_count; i++) { - struct gpio_bank *bank = &gpio_bank[i]; - u32 l1 = 0, l2 = 0; - int j; - - for (j = 0; j < hweight_long(bank->dbck_enable_mask); j++) - clk_disable(bank->dbck); - - if (!off_mode) - continue; - - /* If going to OFF, remove triggering for all - * non-wakeup GPIOs. Otherwise spurious IRQs will be - * generated. See OMAP2420 Errata item 1.101. */ - if (!(bank->enabled_non_wakeup_gpios)) - continue; - - if (cpu_is_omap24xx() || cpu_is_omap34xx()) { - bank->saved_datain = __raw_readl(bank->base + - OMAP24XX_GPIO_DATAIN); - l1 = __raw_readl(bank->base + - OMAP24XX_GPIO_FALLINGDETECT); - l2 = __raw_readl(bank->base + - OMAP24XX_GPIO_RISINGDETECT); - } - - if (cpu_is_omap44xx()) { - bank->saved_datain = __raw_readl(bank->base + - OMAP4_GPIO_DATAIN); - l1 = __raw_readl(bank->base + - OMAP4_GPIO_FALLINGDETECT); - l2 = __raw_readl(bank->base + - OMAP4_GPIO_RISINGDETECT); - } - - bank->saved_fallingdetect = l1; - bank->saved_risingdetect = l2; - l1 &= ~bank->enabled_non_wakeup_gpios; - l2 &= ~bank->enabled_non_wakeup_gpios; - - if (cpu_is_omap24xx() || cpu_is_omap34xx()) { - __raw_writel(l1, bank->base + - OMAP24XX_GPIO_FALLINGDETECT); - __raw_writel(l2, bank->base + - OMAP24XX_GPIO_RISINGDETECT); - } - - if (cpu_is_omap44xx()) { - __raw_writel(l1, bank->base + OMAP4_GPIO_FALLINGDETECT); - __raw_writel(l2, bank->base + OMAP4_GPIO_RISINGDETECT); - } - - c++; - } - if (!c) { - workaround_enabled = 0; - return; - } - workaround_enabled = 1; -} - -void omap2_gpio_resume_after_idle(void) -{ - int i; - int min = 0; - - if (cpu_is_omap34xx()) - min = 1; - for (i = min; i < gpio_bank_count; i++) { - struct gpio_bank *bank = &gpio_bank[i]; - u32 l = 0, gen, gen0, gen1; - int j; - - for (j = 0; j < hweight_long(bank->dbck_enable_mask); j++) - clk_enable(bank->dbck); - - if (!workaround_enabled) - continue; - - if (!(bank->enabled_non_wakeup_gpios)) - continue; - - if (cpu_is_omap24xx() || cpu_is_omap34xx()) { - __raw_writel(bank->saved_fallingdetect, - bank->base + OMAP24XX_GPIO_FALLINGDETECT); - __raw_writel(bank->saved_risingdetect, - bank->base + OMAP24XX_GPIO_RISINGDETECT); - l = __raw_readl(bank->base + OMAP24XX_GPIO_DATAIN); - } - - if (cpu_is_omap44xx()) { - __raw_writel(bank->saved_fallingdetect, - bank->base + OMAP4_GPIO_FALLINGDETECT); - __raw_writel(bank->saved_risingdetect, - bank->base + OMAP4_GPIO_RISINGDETECT); - l = __raw_readl(bank->base + OMAP4_GPIO_DATAIN); - } - - /* Check if any of the non-wakeup interrupt GPIOs have changed - * state. If so, generate an IRQ by software. This is - * horribly racy, but it's the best we can do to work around - * this silicon bug. */ - l ^= bank->saved_datain; - l &= bank->enabled_non_wakeup_gpios; - - /* - * No need to generate IRQs for the rising edge for gpio IRQs - * configured with falling edge only; and vice versa. - */ - gen0 = l & bank->saved_fallingdetect; - gen0 &= bank->saved_datain; - - gen1 = l & bank->saved_risingdetect; - gen1 &= ~(bank->saved_datain); - - /* FIXME: Consider GPIO IRQs with level detections properly! */ - gen = l & (~(bank->saved_fallingdetect) & - ~(bank->saved_risingdetect)); - /* Consider all GPIO IRQs needed to be updated */ - gen |= gen0 | gen1; - - if (gen) { - u32 old0, old1; - - if (cpu_is_omap24xx() || cpu_is_omap34xx()) { - old0 = __raw_readl(bank->base + - OMAP24XX_GPIO_LEVELDETECT0); - old1 = __raw_readl(bank->base + - OMAP24XX_GPIO_LEVELDETECT1); - __raw_writel(old0 | gen, bank->base + - OMAP24XX_GPIO_LEVELDETECT0); - __raw_writel(old1 | gen, bank->base + - OMAP24XX_GPIO_LEVELDETECT1); - __raw_writel(old0, bank->base + - OMAP24XX_GPIO_LEVELDETECT0); - __raw_writel(old1, bank->base + - OMAP24XX_GPIO_LEVELDETECT1); - } - - if (cpu_is_omap44xx()) { - old0 = __raw_readl(bank->base + - OMAP4_GPIO_LEVELDETECT0); - old1 = __raw_readl(bank->base + - OMAP4_GPIO_LEVELDETECT1); - __raw_writel(old0 | l, bank->base + - OMAP4_GPIO_LEVELDETECT0); - __raw_writel(old1 | l, bank->base + - OMAP4_GPIO_LEVELDETECT1); - __raw_writel(old0, bank->base + - OMAP4_GPIO_LEVELDETECT0); - __raw_writel(old1, bank->base + - OMAP4_GPIO_LEVELDETECT1); - } - } - } - -} - -#endif - -#ifdef CONFIG_ARCH_OMAP3 -/* save the registers of bank 2-6 */ -void omap_gpio_save_context(void) -{ - int i; - - /* saving banks from 2-6 only since GPIO1 is in WKUP */ - for (i = 1; i < gpio_bank_count; i++) { - struct gpio_bank *bank = &gpio_bank[i]; - gpio_context[i].irqenable1 = - __raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE1); - gpio_context[i].irqenable2 = - __raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE2); - gpio_context[i].wake_en = - __raw_readl(bank->base + OMAP24XX_GPIO_WAKE_EN); - gpio_context[i].ctrl = - __raw_readl(bank->base + OMAP24XX_GPIO_CTRL); - gpio_context[i].oe = - __raw_readl(bank->base + OMAP24XX_GPIO_OE); - gpio_context[i].leveldetect0 = - __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT0); - gpio_context[i].leveldetect1 = - __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT1); - gpio_context[i].risingdetect = - __raw_readl(bank->base + OMAP24XX_GPIO_RISINGDETECT); - gpio_context[i].fallingdetect = - __raw_readl(bank->base + OMAP24XX_GPIO_FALLINGDETECT); - gpio_context[i].dataout = - __raw_readl(bank->base + OMAP24XX_GPIO_DATAOUT); - } -} - -/* restore the required registers of bank 2-6 */ -void omap_gpio_restore_context(void) -{ - int i; - - for (i = 1; i < gpio_bank_count; i++) { - struct gpio_bank *bank = &gpio_bank[i]; - __raw_writel(gpio_context[i].irqenable1, - bank->base + OMAP24XX_GPIO_IRQENABLE1); - __raw_writel(gpio_context[i].irqenable2, - bank->base + OMAP24XX_GPIO_IRQENABLE2); - __raw_writel(gpio_context[i].wake_en, - bank->base + OMAP24XX_GPIO_WAKE_EN); - __raw_writel(gpio_context[i].ctrl, - bank->base + OMAP24XX_GPIO_CTRL); - __raw_writel(gpio_context[i].oe, - bank->base + OMAP24XX_GPIO_OE); - __raw_writel(gpio_context[i].leveldetect0, - bank->base + OMAP24XX_GPIO_LEVELDETECT0); - __raw_writel(gpio_context[i].leveldetect1, - bank->base + OMAP24XX_GPIO_LEVELDETECT1); - __raw_writel(gpio_context[i].risingdetect, - bank->base + OMAP24XX_GPIO_RISINGDETECT); - __raw_writel(gpio_context[i].fallingdetect, - bank->base + OMAP24XX_GPIO_FALLINGDETECT); - __raw_writel(gpio_context[i].dataout, - bank->base + OMAP24XX_GPIO_DATAOUT); - } -} -#endif - -static struct platform_driver omap_gpio_driver = { - .probe = omap_gpio_probe, - .driver = { - .name = "omap_gpio", - }, -}; - -/* - * gpio driver register needs to be done before - * machine_init functions access gpio APIs. - * Hence omap_gpio_drv_reg() is a postcore_initcall. - */ -static int __init omap_gpio_drv_reg(void) -{ - return platform_driver_register(&omap_gpio_driver); -} -postcore_initcall(omap_gpio_drv_reg); - -static int __init omap_gpio_sysinit(void) -{ - int ret = 0; - - mpuio_init(); - -#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS) - if (cpu_is_omap16xx() || cpu_class_is_omap2()) { - if (ret == 0) { - ret = sysdev_class_register(&omap_gpio_sysclass); - if (ret == 0) - ret = sysdev_register(&omap_gpio_device); - } - } -#endif - - return ret; -} - -arch_initcall(omap_gpio_sysinit); diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c index a4f8003de66..58213d9714c 100644 --- a/arch/arm/plat-omap/i2c.c +++ b/arch/arm/plat-omap/i2c.c @@ -31,157 +31,13 @@ #include <linux/err.h> #include <linux/clk.h> -#include <mach/irqs.h> -#include <plat/mux.h> #include <plat/i2c.h> -#include <plat/omap-pm.h> -#include <plat/omap_device.h> -#define OMAP_I2C_SIZE 0x3f -#define OMAP1_I2C_BASE 0xfffb3800 - -static const char name[] = "omap_i2c"; - -#define I2C_RESOURCE_BUILDER(base, irq) \ - { \ - .start = (base), \ - .end = (base) + OMAP_I2C_SIZE, \ - .flags = IORESOURCE_MEM, \ - }, \ - { \ - .start = (irq), \ - .flags = IORESOURCE_IRQ, \ - }, - -static struct resource i2c_resources[][2] = { - { I2C_RESOURCE_BUILDER(0, 0) }, -}; - -#define I2C_DEV_BUILDER(bus_id, res, data) \ - { \ - .id = (bus_id), \ - .name = name, \ - .num_resources = ARRAY_SIZE(res), \ - .resource = (res), \ - .dev = { \ - .platform_data = (data), \ - }, \ - } - -#define MAX_OMAP_I2C_HWMOD_NAME_LEN 16 #define OMAP_I2C_MAX_CONTROLLERS 4 static struct omap_i2c_bus_platform_data i2c_pdata[OMAP_I2C_MAX_CONTROLLERS]; -static struct platform_device omap_i2c_devices[] = { - I2C_DEV_BUILDER(1, i2c_resources[0], &i2c_pdata[0]), -}; #define OMAP_I2C_CMDLINE_SETUP (BIT(31)) -static int __init omap_i2c_nr_ports(void) -{ - int ports = 0; - - if (cpu_class_is_omap1()) - ports = 1; - else if (cpu_is_omap24xx()) - ports = 2; - else if (cpu_is_omap34xx()) - ports = 3; - else if (cpu_is_omap44xx()) - ports = 4; - - return ports; -} - -static inline int omap1_i2c_add_bus(int bus_id) -{ - struct platform_device *pdev; - struct omap_i2c_bus_platform_data *pdata; - struct resource *res; - - omap1_i2c_mux_pins(bus_id); - - pdev = &omap_i2c_devices[bus_id - 1]; - res = pdev->resource; - res[0].start = OMAP1_I2C_BASE; - res[0].end = res[0].start + OMAP_I2C_SIZE; - res[1].start = INT_I2C; - pdata = &i2c_pdata[bus_id - 1]; - - return platform_device_register(pdev); -} - - -/* - * XXX This function is a temporary compatibility wrapper - only - * needed until the I2C driver can be converted to call - * omap_pm_set_max_dev_wakeup_lat() and handle a return code. - */ -static void omap_pm_set_max_mpu_wakeup_lat_compat(struct device *dev, long t) -{ - omap_pm_set_max_mpu_wakeup_lat(dev, t); -} - -static struct omap_device_pm_latency omap_i2c_latency[] = { - [0] = { - .deactivate_func = omap_device_idle_hwmods, - .activate_func = omap_device_enable_hwmods, - .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, - }, -}; - -#ifdef CONFIG_ARCH_OMAP2PLUS -static inline int omap2_i2c_add_bus(int bus_id) -{ - int l; - struct omap_hwmod *oh; - struct omap_device *od; - char oh_name[MAX_OMAP_I2C_HWMOD_NAME_LEN]; - struct omap_i2c_bus_platform_data *pdata; - - omap2_i2c_mux_pins(bus_id); - - l = snprintf(oh_name, MAX_OMAP_I2C_HWMOD_NAME_LEN, "i2c%d", bus_id); - WARN(l >= MAX_OMAP_I2C_HWMOD_NAME_LEN, - "String buffer overflow in I2C%d device setup\n", bus_id); - oh = omap_hwmod_lookup(oh_name); - if (!oh) { - pr_err("Could not look up %s\n", oh_name); - return -EEXIST; - } - - pdata = &i2c_pdata[bus_id - 1]; - /* - * When waiting for completion of a i2c transfer, we need to - * set a wake up latency constraint for the MPU. This is to - * ensure quick enough wakeup from idle, when transfer - * completes. - * Only omap3 has support for constraints - */ - if (cpu_is_omap34xx()) - pdata->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat_compat; - od = omap_device_build(name, bus_id, oh, pdata, - sizeof(struct omap_i2c_bus_platform_data), - omap_i2c_latency, ARRAY_SIZE(omap_i2c_latency), 0); - WARN(IS_ERR(od), "Could not build omap_device for %s\n", name); - - return PTR_ERR(od); -} -#else -static inline int omap2_i2c_add_bus(int bus_id) -{ - return 0; -} -#endif - -static int __init omap_i2c_add_bus(int bus_id) -{ - if (cpu_class_is_omap1()) - return omap1_i2c_add_bus(bus_id); - else - return omap2_i2c_add_bus(bus_id); -} - /** * omap_i2c_bus_setup - Process command line options for the I2C bus speed * @str: String of options @@ -195,12 +51,11 @@ static int __init omap_i2c_add_bus(int bus_id) */ static int __init omap_i2c_bus_setup(char *str) { - int ports; int ints[3]; - ports = omap_i2c_nr_ports(); get_options(str, 3, ints); - if (ints[0] < 2 || ints[1] < 1 || ints[1] > ports) + if (ints[0] < 2 || ints[1] < 1 || + ints[1] > OMAP_I2C_MAX_CONTROLLERS) return 0; i2c_pdata[ints[1] - 1].clkrate = ints[2]; i2c_pdata[ints[1] - 1].clkrate |= OMAP_I2C_CMDLINE_SETUP; @@ -213,14 +68,14 @@ __setup("i2c_bus=", omap_i2c_bus_setup); * Register busses defined in command line but that are not registered with * omap_register_i2c_bus from board initialization code. */ -static int __init omap_register_i2c_bus_cmdline(void) +int __init omap_register_i2c_bus_cmdline(void) { int i, err = 0; for (i = 0; i < ARRAY_SIZE(i2c_pdata); i++) if (i2c_pdata[i].clkrate & OMAP_I2C_CMDLINE_SETUP) { i2c_pdata[i].clkrate &= ~OMAP_I2C_CMDLINE_SETUP; - err = omap_i2c_add_bus(i + 1); + err = omap_i2c_add_bus(&i2c_pdata[i], i + 1); if (err) goto out; } @@ -228,7 +83,6 @@ static int __init omap_register_i2c_bus_cmdline(void) out: return err; } -subsys_initcall(omap_register_i2c_bus_cmdline); /** * omap_register_i2c_bus - register I2C bus with device descriptors @@ -245,7 +99,7 @@ int __init omap_register_i2c_bus(int bus_id, u32 clkrate, { int err; - BUG_ON(bus_id < 1 || bus_id > omap_i2c_nr_ports()); + BUG_ON(bus_id < 1 || bus_id > OMAP_I2C_MAX_CONTROLLERS); if (info) { err = i2c_register_board_info(bus_id, info, len); @@ -258,5 +112,5 @@ int __init omap_register_i2c_bus(int bus_id, u32 clkrate, i2c_pdata[bus_id - 1].clkrate &= ~OMAP_I2C_CMDLINE_SETUP; - return omap_i2c_add_bus(bus_id); + return omap_i2c_add_bus(&i2c_pdata[bus_id - 1], bus_id); } diff --git a/arch/arm/plat-omap/include/plat/blizzard.h b/arch/arm/plat-omap/include/plat/blizzard.h deleted file mode 100644 index 56e7f2e7d12..00000000000 --- a/arch/arm/plat-omap/include/plat/blizzard.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _BLIZZARD_H -#define _BLIZZARD_H - -struct blizzard_platform_data { - void (*power_up)(struct device *dev); - void (*power_down)(struct device *dev); - unsigned long (*get_clock_rate)(struct device *dev); - - unsigned te_connected:1; -}; - -#endif diff --git a/arch/arm/plat-omap/include/plat/board-ams-delta.h b/arch/arm/plat-omap/include/plat/board-ams-delta.h deleted file mode 100644 index 51b102dc906..00000000000 --- a/arch/arm/plat-omap/include/plat/board-ams-delta.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/board-ams-delta.h - * - * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#ifndef __ASM_ARCH_OMAP_AMS_DELTA_H -#define __ASM_ARCH_OMAP_AMS_DELTA_H - -#if defined (CONFIG_MACH_AMS_DELTA) - -#define AMS_DELTA_LATCH1_PHYS 0x01000000 -#define AMS_DELTA_LATCH1_VIRT 0xEA000000 -#define AMS_DELTA_MODEM_PHYS 0x04000000 -#define AMS_DELTA_MODEM_VIRT 0xEB000000 -#define AMS_DELTA_LATCH2_PHYS 0x08000000 -#define AMS_DELTA_LATCH2_VIRT 0xEC000000 - -#define AMS_DELTA_LATCH1_LED_CAMERA 0x01 -#define AMS_DELTA_LATCH1_LED_ADVERT 0x02 -#define AMS_DELTA_LATCH1_LED_EMAIL 0x04 -#define AMS_DELTA_LATCH1_LED_HANDSFREE 0x08 -#define AMS_DELTA_LATCH1_LED_VOICEMAIL 0x10 -#define AMS_DELTA_LATCH1_LED_VOICE 0x20 - -#define AMS_DELTA_LATCH2_LCD_VBLEN 0x0001 -#define AMS_DELTA_LATCH2_LCD_NDISP 0x0002 -#define AMS_DELTA_LATCH2_NAND_NCE 0x0004 -#define AMS_DELTA_LATCH2_NAND_NRE 0x0008 -#define AMS_DELTA_LATCH2_NAND_NWP 0x0010 -#define AMS_DELTA_LATCH2_NAND_NWE 0x0020 -#define AMS_DELTA_LATCH2_NAND_ALE 0x0040 -#define AMS_DELTA_LATCH2_NAND_CLE 0x0080 -#define AMD_DELTA_LATCH2_KEYBRD_PWR 0x0100 -#define AMD_DELTA_LATCH2_KEYBRD_DATA 0x0200 -#define AMD_DELTA_LATCH2_SCARD_RSTIN 0x0400 -#define AMD_DELTA_LATCH2_SCARD_CMDVCC 0x0800 -#define AMS_DELTA_LATCH2_MODEM_NRESET 0x1000 -#define AMS_DELTA_LATCH2_MODEM_CODEC 0x2000 - -#define AMS_DELTA_GPIO_PIN_KEYBRD_DATA 0 -#define AMS_DELTA_GPIO_PIN_KEYBRD_CLK 1 -#define AMS_DELTA_GPIO_PIN_MODEM_IRQ 2 -#define AMS_DELTA_GPIO_PIN_HOOK_SWITCH 4 -#define AMS_DELTA_GPIO_PIN_SCARD_NOFF 6 -#define AMS_DELTA_GPIO_PIN_SCARD_IO 7 -#define AMS_DELTA_GPIO_PIN_CONFIG 11 -#define AMS_DELTA_GPIO_PIN_NAND_RB 12 - -#ifndef __ASSEMBLY__ -void ams_delta_latch1_write(u8 mask, u8 value); -void ams_delta_latch2_write(u16 mask, u16 value); -#endif - -#endif /* CONFIG_MACH_AMS_DELTA */ - -#endif /* __ASM_ARCH_OMAP_AMS_DELTA_H */ diff --git a/arch/arm/plat-omap/include/plat/board-sx1.h b/arch/arm/plat-omap/include/plat/board-sx1.h deleted file mode 100644 index 355adbdaae3..00000000000 --- a/arch/arm/plat-omap/include/plat/board-sx1.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Siemens SX1 board definitions - * - * Copyright: Vovan888 at gmail com - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#ifndef __ASM_ARCH_SX1_I2C_CHIPS_H -#define __ASM_ARCH_SX1_I2C_CHIPS_H - -#define SOFIA_MAX_LIGHT_VAL 0x2B - -#define SOFIA_I2C_ADDR 0x32 -/* Sofia reg 3 bits masks */ -#define SOFIA_POWER1_REG 0x03 - -#define SOFIA_USB_POWER 0x01 -#define SOFIA_MMC_POWER 0x04 -#define SOFIA_BLUETOOTH_POWER 0x08 -#define SOFIA_MMILIGHT_POWER 0x20 - -#define SOFIA_POWER2_REG 0x04 -#define SOFIA_BACKLIGHT_REG 0x06 -#define SOFIA_KEYLIGHT_REG 0x07 -#define SOFIA_DIMMING_REG 0x09 - - -/* Function Prototypes for SX1 devices control on I2C bus */ - -int sx1_setbacklight(u8 backlight); -int sx1_getbacklight(u8 *backlight); -int sx1_setkeylight(u8 keylight); -int sx1_getkeylight(u8 *keylight); - -int sx1_setmmipower(u8 onoff); -int sx1_setusbpower(u8 onoff); -int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value); -int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value); - -/* MMC prototypes */ - -extern void sx1_mmc_init(void); -extern void sx1_mmc_slot_cover_handler(void *arg, int state); - -#endif /* __ASM_ARCH_SX1_I2C_CHIPS_H */ diff --git a/arch/arm/plat-omap/include/plat/board-voiceblue.h b/arch/arm/plat-omap/include/plat/board-voiceblue.h deleted file mode 100644 index 27916b210f5..00000000000 --- a/arch/arm/plat-omap/include/plat/board-voiceblue.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Copyright (C) 2004 2N Telekomunikace, Ladislav Michl <michl@2n.cz> - * - * Hardware definitions for OMAP5910 based VoiceBlue board. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ASM_ARCH_VOICEBLUE_H -#define __ASM_ARCH_VOICEBLUE_H - -extern void voiceblue_wdt_enable(void); -extern void voiceblue_wdt_disable(void); -extern void voiceblue_wdt_ping(void); - -#endif /* __ASM_ARCH_VOICEBLUE_H */ - diff --git a/arch/arm/plat-omap/include/plat/board.h b/arch/arm/plat-omap/include/plat/board.h deleted file mode 100644 index 3cf4fa25ab3..00000000000 --- a/arch/arm/plat-omap/include/plat/board.h +++ /dev/null @@ -1,176 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/board.h - * - * Information structures for board-specific data - * - * Copyright (C) 2004 Nokia Corporation - * Written by Juha Yrjölä <juha.yrjola@nokia.com> - */ - -#ifndef _OMAP_BOARD_H -#define _OMAP_BOARD_H - -#include <linux/types.h> - -#include <plat/gpio-switch.h> - -/* - * OMAP35x EVM revision - * Run time detection of EVM revision is done by reading Ethernet - * PHY ID - - * GEN_1 = 0x01150000 - * GEN_2 = 0x92200000 - */ -enum { - OMAP3EVM_BOARD_GEN_1 = 0, /* EVM Rev between A - D */ - OMAP3EVM_BOARD_GEN_2, /* EVM Rev >= Rev E */ -}; - -/* Different peripheral ids */ -#define OMAP_TAG_CLOCK 0x4f01 -#define OMAP_TAG_LCD 0x4f05 -#define OMAP_TAG_GPIO_SWITCH 0x4f06 -#define OMAP_TAG_FBMEM 0x4f08 -#define OMAP_TAG_STI_CONSOLE 0x4f09 -#define OMAP_TAG_CAMERA_SENSOR 0x4f0a - -#define OMAP_TAG_BOOT_REASON 0x4f80 -#define OMAP_TAG_FLASH_PART 0x4f81 -#define OMAP_TAG_VERSION_STR 0x4f82 - -struct omap_clock_config { - /* 0 for 12 MHz, 1 for 13 MHz and 2 for 19.2 MHz */ - u8 system_clock_type; -}; - -struct omap_serial_console_config { - u8 console_uart; - u32 console_speed; -}; - -struct omap_sti_console_config { - unsigned enable:1; - u8 channel; -}; - -struct omap_camera_sensor_config { - u16 reset_gpio; - int (*power_on)(void * data); - int (*power_off)(void * data); -}; - -struct omap_usb_config { - /* Configure drivers according to the connectors on your board: - * - "A" connector (rectagular) - * ... for host/OHCI use, set "register_host". - * - "B" connector (squarish) or "Mini-B" - * ... for device/gadget use, set "register_dev". - * - "Mini-AB" connector (very similar to Mini-B) - * ... for OTG use as device OR host, initialize "otg" - */ - unsigned register_host:1; - unsigned register_dev:1; - u8 otg; /* port number, 1-based: usb1 == 2 */ - - u8 hmc_mode; - - /* implicitly true if otg: host supports remote wakeup? */ - u8 rwc; - - /* signaling pins used to talk to transceiver on usbN: - * 0 == usbN unused - * 2 == usb0-only, using internal transceiver - * 3 == 3 wire bidirectional - * 4 == 4 wire bidirectional - * 6 == 6 wire unidirectional (or TLL) - */ - u8 pins[3]; - - struct platform_device *udc_device; - struct platform_device *ohci_device; - struct platform_device *otg_device; - - u32 (*usb0_init)(unsigned nwires, unsigned is_device); - u32 (*usb1_init)(unsigned nwires); - u32 (*usb2_init)(unsigned nwires, unsigned alt_pingroup); -}; - -struct omap_lcd_config { - char panel_name[16]; - char ctrl_name[16]; - s16 nreset_gpio; - u8 data_lines; -}; - -struct device; -struct fb_info; -struct omap_backlight_config { - int default_intensity; - int (*set_power)(struct device *dev, int state); -}; - -struct omap_fbmem_config { - u32 start; - u32 size; -}; - -struct omap_pwm_led_platform_data { - const char *name; - int intensity_timer; - int blink_timer; - void (*set_power)(struct omap_pwm_led_platform_data *self, int on_off); -}; - -struct omap_uart_config { - /* Bit field of UARTs present; bit 0 --> UART1 */ - unsigned int enabled_uarts; -}; - - -struct omap_flash_part_config { - char part_table[0]; -}; - -struct omap_boot_reason_config { - char reason_str[12]; -}; - -struct omap_version_config { - char component[12]; - char version[12]; -}; - -struct omap_board_config_entry { - u16 tag; - u16 len; - u8 data[0]; -}; - -struct omap_board_config_kernel { - u16 tag; - const void *data; -}; - -extern const void *__omap_get_config(u16 tag, size_t len, int nr); - -#define omap_get_config(tag, type) \ - ((const type *) __omap_get_config((tag), sizeof(type), 0)) -#define omap_get_nr_config(tag, type, nr) \ - ((const type *) __omap_get_config((tag), sizeof(type), (nr))) - -extern const void *omap_get_var_config(u16 tag, size_t *len); - -extern struct omap_board_config_kernel *omap_board_config; -extern int omap_board_config_size; - - -/* for TI reference platforms sharing the same debug card */ -extern int debug_card_init(u32 addr, unsigned gpio); - -/* OMAP3EVM revision */ -#if defined(CONFIG_MACH_OMAP3EVM) -u8 get_omap3_evm_rev(void); -#else -#define get_omap3_evm_rev() (-EINVAL) -#endif -#endif diff --git a/arch/arm/plat-omap/include/plat/clkdev.h b/arch/arm/plat-omap/include/plat/clkdev.h deleted file mode 100644 index 730c49d1ebd..00000000000 --- a/arch/arm/plat-omap/include/plat/clkdev.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef __MACH_CLKDEV_H -#define __MACH_CLKDEV_H - -static inline int __clk_get(struct clk *clk) -{ - return 1; -} - -static inline void __clk_put(struct clk *clk) -{ -} - -#endif diff --git a/arch/arm/plat-omap/include/plat/clkdev_omap.h b/arch/arm/plat-omap/include/plat/clkdev_omap.h deleted file mode 100644 index 256ab3f1ec8..00000000000 --- a/arch/arm/plat-omap/include/plat/clkdev_omap.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * clkdev <-> OMAP integration - * - * Russell King <linux@arm.linux.org.uk> - * - */ - -#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_PLAT_CLKDEV_OMAP_H -#define __ARCH_ARM_PLAT_OMAP_INCLUDE_PLAT_CLKDEV_OMAP_H - -#include <linux/clkdev.h> - -struct omap_clk { - u16 cpu; - struct clk_lookup lk; -}; - -#define CLK(dev, con, ck, cp) \ - { \ - .cpu = cp, \ - .lk = { \ - .dev_id = dev, \ - .con_id = con, \ - .clk = ck, \ - }, \ - } - -/* Platform flags for the clkdev-OMAP integration code */ -#define CK_310 (1 << 0) -#define CK_7XX (1 << 1) /* 7xx, 850 */ -#define CK_1510 (1 << 2) -#define CK_16XX (1 << 3) /* 16xx, 17xx, 5912 */ -#define CK_242X (1 << 4) -#define CK_243X (1 << 5) /* 243x, 253x */ -#define CK_3430ES1 (1 << 6) /* 34xxES1 only */ -#define CK_3430ES2PLUS (1 << 7) /* 34xxES2, ES3, non-Sitara 35xx only */ -#define CK_3505 (1 << 8) -#define CK_3517 (1 << 9) -#define CK_36XX (1 << 10) /* 36xx/37xx-specific clocks */ -#define CK_443X (1 << 11) - - -#define CK_34XX (CK_3430ES1 | CK_3430ES2PLUS) -#define CK_AM35XX (CK_3505 | CK_3517) /* all Sitara AM35xx */ -#define CK_3XXX (CK_34XX | CK_AM35XX | CK_36XX) - - -#endif - diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h deleted file mode 100644 index 8eb0adab19e..00000000000 --- a/arch/arm/plat-omap/include/plat/clock.h +++ /dev/null @@ -1,300 +0,0 @@ -/* - * OMAP clock: data structure definitions, function prototypes, shared macros - * - * Copyright (C) 2004-2005, 2008-2010 Nokia Corporation - * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> - * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ARCH_ARM_OMAP_CLOCK_H -#define __ARCH_ARM_OMAP_CLOCK_H - -#include <linux/list.h> - -struct module; -struct clk; -struct clockdomain; - -/** - * struct clkops - some clock function pointers - * @enable: fn ptr that enables the current clock in hardware - * @disable: fn ptr that enables the current clock in hardware - * @find_idlest: function returning the IDLEST register for the clock's IP blk - * @find_companion: function returning the "companion" clk reg for the clock - * - * A "companion" clk is an accompanying clock to the one being queried - * that must be enabled for the IP module connected to the clock to - * become accessible by the hardware. Neither @find_idlest nor - * @find_companion should be needed; that information is IP - * block-specific; the hwmod code has been created to handle this, but - * until hwmod data is ready and drivers have been converted to use PM - * runtime calls in place of clk_enable()/clk_disable(), @find_idlest and - * @find_companion must, unfortunately, remain. - */ -struct clkops { - int (*enable)(struct clk *); - void (*disable)(struct clk *); - void (*find_idlest)(struct clk *, void __iomem **, - u8 *, u8 *); - void (*find_companion)(struct clk *, void __iomem **, - u8 *); -}; - -#ifdef CONFIG_ARCH_OMAP2PLUS - -/* struct clksel_rate.flags possibilities */ -#define RATE_IN_242X (1 << 0) -#define RATE_IN_243X (1 << 1) -#define RATE_IN_3430ES1 (1 << 2) /* 3430ES1 rates only */ -#define RATE_IN_3430ES2PLUS (1 << 3) /* 3430 ES >= 2 rates only */ -#define RATE_IN_36XX (1 << 4) -#define RATE_IN_4430 (1 << 5) - -#define RATE_IN_24XX (RATE_IN_242X | RATE_IN_243X) -#define RATE_IN_34XX (RATE_IN_3430ES1 | RATE_IN_3430ES2PLUS) -#define RATE_IN_3XXX (RATE_IN_34XX | RATE_IN_36XX) - -/* RATE_IN_3430ES2PLUS_36XX includes 34xx/35xx with ES >=2, and all 36xx/37xx */ -#define RATE_IN_3430ES2PLUS_36XX (RATE_IN_3430ES2PLUS | RATE_IN_36XX) - - -/** - * struct clksel_rate - register bitfield values corresponding to clk divisors - * @val: register bitfield value (shifted to bit 0) - * @div: clock divisor corresponding to @val - * @flags: (see "struct clksel_rate.flags possibilities" above) - * - * @val should match the value of a read from struct clk.clksel_reg - * AND'ed with struct clk.clksel_mask, shifted right to bit 0. - * - * @div is the divisor that should be applied to the parent clock's rate - * to produce the current clock's rate. - * - * XXX @flags probably should be replaced with an struct omap_chip. - */ -struct clksel_rate { - u32 val; - u8 div; - u8 flags; -}; - -/** - * struct clksel - available parent clocks, and a pointer to their divisors - * @parent: struct clk * to a possible parent clock - * @rates: available divisors for this parent clock - * - * A struct clksel is always associated with one or more struct clks - * and one or more struct clksel_rates. - */ -struct clksel { - struct clk *parent; - const struct clksel_rate *rates; -}; - -/** - * struct dpll_data - DPLL registers and integration data - * @mult_div1_reg: register containing the DPLL M and N bitfields - * @mult_mask: mask of the DPLL M bitfield in @mult_div1_reg - * @div1_mask: mask of the DPLL N bitfield in @mult_div1_reg - * @clk_bypass: struct clk pointer to the clock's bypass clock input - * @clk_ref: struct clk pointer to the clock's reference clock input - * @control_reg: register containing the DPLL mode bitfield - * @enable_mask: mask of the DPLL mode bitfield in @control_reg - * @rate_tolerance: maximum variance allowed from target rate (in Hz) - * @last_rounded_rate: cache of the last rate result of omap2_dpll_round_rate() - * @last_rounded_m: cache of the last M result of omap2_dpll_round_rate() - * @max_multiplier: maximum valid non-bypass multiplier value (actual) - * @last_rounded_n: cache of the last N result of omap2_dpll_round_rate() - * @min_divider: minimum valid non-bypass divider value (actual) - * @max_divider: maximum valid non-bypass divider value (actual) - * @modes: possible values of @enable_mask - * @autoidle_reg: register containing the DPLL autoidle mode bitfield - * @idlest_reg: register containing the DPLL idle status bitfield - * @autoidle_mask: mask of the DPLL autoidle mode bitfield in @autoidle_reg - * @freqsel_mask: mask of the DPLL jitter correction bitfield in @control_reg - * @idlest_mask: mask of the DPLL idle status bitfield in @idlest_reg - * @auto_recal_bit: bitshift of the driftguard enable bit in @control_reg - * @recal_en_bit: bitshift of the PRM_IRQENABLE_* bit for recalibration IRQs - * @recal_st_bit: bitshift of the PRM_IRQSTATUS_* bit for recalibration IRQs - * @flags: DPLL type/features (see below) - * - * Possible values for @flags: - * DPLL_J_TYPE: "J-type DPLL" (only some 36xx, 4xxx DPLLs) - * - * @freqsel_mask is only used on the OMAP34xx family and AM35xx. - * - * XXX Some DPLLs have multiple bypass inputs, so it's not technically - * correct to only have one @clk_bypass pointer. - * - * XXX @rate_tolerance should probably be deprecated - currently there - * don't seem to be any usecases for DPLL rounding that is not exact. - * - * XXX The runtime-variable fields (@last_rounded_rate, @last_rounded_m, - * @last_rounded_n) should be separated from the runtime-fixed fields - * and placed into a differenct structure, so that the runtime-fixed data - * can be placed into read-only space. - */ -struct dpll_data { - void __iomem *mult_div1_reg; - u32 mult_mask; - u32 div1_mask; - struct clk *clk_bypass; - struct clk *clk_ref; - void __iomem *control_reg; - u32 enable_mask; - unsigned int rate_tolerance; - unsigned long last_rounded_rate; - u16 last_rounded_m; - u16 max_multiplier; - u8 last_rounded_n; - u8 min_divider; - u8 max_divider; - u8 modes; -#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) - void __iomem *autoidle_reg; - void __iomem *idlest_reg; - u32 autoidle_mask; - u32 freqsel_mask; - u32 idlest_mask; - u32 dco_mask; - u32 sddiv_mask; - u8 auto_recal_bit; - u8 recal_en_bit; - u8 recal_st_bit; - u8 flags; -# endif -}; - -#endif - -/* struct clk.flags possibilities */ -#define ENABLE_REG_32BIT (1 << 0) /* Use 32-bit access */ -#define CLOCK_IDLE_CONTROL (1 << 1) -#define CLOCK_NO_IDLE_PARENT (1 << 2) -#define ENABLE_ON_INIT (1 << 3) /* Enable upon framework init */ -#define INVERT_ENABLE (1 << 4) /* 0 enables, 1 disables */ - -/** - * struct clk - OMAP struct clk - * @node: list_head connecting this clock into the full clock list - * @ops: struct clkops * for this clock - * @name: the name of the clock in the hardware (used in hwmod data and debug) - * @parent: pointer to this clock's parent struct clk - * @children: list_head connecting to the child clks' @sibling list_heads - * @sibling: list_head connecting this clk to its parent clk's @children - * @rate: current clock rate - * @enable_reg: register to write to enable the clock (see @enable_bit) - * @recalc: fn ptr that returns the clock's current rate - * @set_rate: fn ptr that can change the clock's current rate - * @round_rate: fn ptr that can round the clock's current rate - * @init: fn ptr to do clock-specific initialization - * @enable_bit: bitshift to write to enable/disable the clock (see @enable_reg) - * @usecount: number of users that have requested this clock to be enabled - * @fixed_div: when > 0, this clock's rate is its parent's rate / @fixed_div - * @flags: see "struct clk.flags possibilities" above - * @clksel_reg: for clksel clks, register va containing src/divisor select - * @clksel_mask: bitmask in @clksel_reg for the src/divisor selector - * @clksel: for clksel clks, pointer to struct clksel for this clock - * @dpll_data: for DPLLs, pointer to struct dpll_data for this clock - * @clkdm_name: clockdomain name that this clock is contained in - * @clkdm: pointer to struct clockdomain, resolved from @clkdm_name at runtime - * @rate_offset: bitshift for rate selection bitfield (OMAP1 only) - * @src_offset: bitshift for source selection bitfield (OMAP1 only) - * - * XXX @rate_offset, @src_offset should probably be removed and OMAP1 - * clock code converted to use clksel. - * - * XXX @usecount is poorly named. It should be "enable_count" or - * something similar. "users" in the description refers to kernel - * code (core code or drivers) that have called clk_enable() and not - * yet called clk_disable(); the usecount of parent clocks is also - * incremented by the clock code when clk_enable() is called on child - * clocks and decremented by the clock code when clk_disable() is - * called on child clocks. - * - * XXX @clkdm, @usecount, @children, @sibling should be marked for - * internal use only. - * - * @children and @sibling are used to optimize parent-to-child clock - * tree traversals. (child-to-parent traversals use @parent.) - * - * XXX The notion of the clock's current rate probably needs to be - * separated from the clock's target rate. - */ -struct clk { - struct list_head node; - const struct clkops *ops; - const char *name; - struct clk *parent; - struct list_head children; - struct list_head sibling; /* node for children */ - unsigned long rate; - void __iomem *enable_reg; - unsigned long (*recalc)(struct clk *); - int (*set_rate)(struct clk *, unsigned long); - long (*round_rate)(struct clk *, unsigned long); - void (*init)(struct clk *); - u8 enable_bit; - s8 usecount; - u8 fixed_div; - u8 flags; -#ifdef CONFIG_ARCH_OMAP2PLUS - void __iomem *clksel_reg; - u32 clksel_mask; - const struct clksel *clksel; - struct dpll_data *dpll_data; - const char *clkdm_name; - struct clockdomain *clkdm; -#else - u8 rate_offset; - u8 src_offset; -#endif -#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) - struct dentry *dent; /* For visible tree hierarchy */ -#endif -}; - -struct cpufreq_frequency_table; - -struct clk_functions { - int (*clk_enable)(struct clk *clk); - void (*clk_disable)(struct clk *clk); - long (*clk_round_rate)(struct clk *clk, unsigned long rate); - int (*clk_set_rate)(struct clk *clk, unsigned long rate); - int (*clk_set_parent)(struct clk *clk, struct clk *parent); - void (*clk_allow_idle)(struct clk *clk); - void (*clk_deny_idle)(struct clk *clk); - void (*clk_disable_unused)(struct clk *clk); -#ifdef CONFIG_CPU_FREQ - void (*clk_init_cpufreq_table)(struct cpufreq_frequency_table **); - void (*clk_exit_cpufreq_table)(struct cpufreq_frequency_table **); -#endif -}; - -extern int mpurate; - -extern int clk_init(struct clk_functions *custom_clocks); -extern void clk_preinit(struct clk *clk); -extern int clk_register(struct clk *clk); -extern void clk_reparent(struct clk *child, struct clk *parent); -extern void clk_unregister(struct clk *clk); -extern void propagate_rate(struct clk *clk); -extern void recalculate_root_clocks(void); -extern unsigned long followparent_recalc(struct clk *clk); -extern void clk_enable_init_clocks(void); -unsigned long omap_fixed_divisor_recalc(struct clk *clk); -#ifdef CONFIG_CPU_FREQ -extern void clk_init_cpufreq_table(struct cpufreq_frequency_table **table); -extern void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table); -#endif -extern struct clk *omap_clk_get_by_name(const char *name); - -extern const struct clkops clkops_null; - -extern struct clk dummy_ck; - -#endif diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h deleted file mode 100644 index 29b2afb4288..00000000000 --- a/arch/arm/plat-omap/include/plat/common.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/common.h - * - * Header for code common to all OMAP machines. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ARCH_ARM_MACH_OMAP_COMMON_H -#define __ARCH_ARM_MACH_OMAP_COMMON_H - -#include <linux/delay.h> - -#include <plat/i2c.h> - -struct sys_timer; - -extern void omap_map_common_io(void); -extern struct sys_timer omap_timer; -extern bool omap_32k_timer_init(void); -extern int __init omap_init_clocksource_32k(void); -extern unsigned long long notrace omap_32k_sched_clock(void); - -extern void omap_reserve(void); - -/* - * IO bases for various OMAP processors - * Except the tap base, rest all the io bases - * listed are physical addresses. - */ -struct omap_globals { - u32 class; /* OMAP class to detect */ - void __iomem *tap; /* Control module ID code */ - unsigned long sdrc; /* SDRAM Controller */ - unsigned long sms; /* SDRAM Memory Scheduler */ - unsigned long ctrl; /* System Control Module */ - unsigned long ctrl_pad; /* PAD Control Module */ - unsigned long prm; /* Power and Reset Management */ - unsigned long cm; /* Clock Management */ - unsigned long cm2; - unsigned long uart1_phys; - unsigned long uart2_phys; - unsigned long uart3_phys; - unsigned long uart4_phys; -}; - -void omap2_set_globals_242x(void); -void omap2_set_globals_243x(void); -void omap2_set_globals_3xxx(void); -void omap2_set_globals_443x(void); - -/* These get called from omap2_set_globals_xxxx(), do not call these */ -void omap2_set_globals_tap(struct omap_globals *); -void omap2_set_globals_sdrc(struct omap_globals *); -void omap2_set_globals_control(struct omap_globals *); -void omap2_set_globals_prcm(struct omap_globals *); - -void omap3_map_io(void); - -/** - * omap_test_timeout - busy-loop, testing a condition - * @cond: condition to test until it evaluates to true - * @timeout: maximum number of microseconds in the timeout - * @index: loop index (integer) - * - * Loop waiting for @cond to become true or until at least @timeout - * microseconds have passed. To use, define some integer @index in the - * calling code. After running, if @index == @timeout, then the loop has - * timed out. - */ -#define omap_test_timeout(cond, timeout, index) \ -({ \ - for (index = 0; index < timeout; index++) { \ - if (cond) \ - break; \ - udelay(1); \ - } \ -}) - -extern struct device *omap2_get_mpuss_device(void); -extern struct device *omap2_get_iva_device(void); -extern struct device *omap2_get_l3_device(void); -extern struct device *omap4_get_dsp_device(void); - -#endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */ diff --git a/arch/arm/plat-omap/include/plat/counter-32k.h b/arch/arm/plat-omap/include/plat/counter-32k.h new file mode 100644 index 00000000000..da000d482ff --- /dev/null +++ b/arch/arm/plat-omap/include/plat/counter-32k.h @@ -0,0 +1 @@ +int omap_init_clocksource_32k(void __iomem *vbase); diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h index 3fd8b405572..c9a66bf36c9 100644 --- a/arch/arm/plat-omap/include/plat/cpu.h +++ b/arch/arm/plat-omap/include/plat/cpu.h @@ -1,15 +1,13 @@ /* - * arch/arm/plat-omap/include/mach/cpu.h - * * OMAP cpu type detection * * Copyright (C) 2004, 2008 Nokia Corporation * - * Copyright (C) 2009 Texas Instruments. + * Copyright (C) 2009-11 Texas Instruments. * * Written by Tony Lindgren <tony.lindgren@nokia.com> * - * Added OMAP4 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com> + * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -30,444 +28,8 @@ #ifndef __ASM_ARCH_OMAP_CPU_H #define __ASM_ARCH_OMAP_CPU_H -#include <linux/bitops.h> -#include <plat/multi.h> - -/* - * Omap device type i.e. EMU/HS/TST/GP/BAD - */ -#define OMAP2_DEVICE_TYPE_TEST 0 -#define OMAP2_DEVICE_TYPE_EMU 1 -#define OMAP2_DEVICE_TYPE_SEC 2 -#define OMAP2_DEVICE_TYPE_GP 3 -#define OMAP2_DEVICE_TYPE_BAD 4 - -int omap_type(void); - -struct omap_chip_id { - u16 oc; - u8 type; -}; - -#define OMAP_CHIP_INIT(x) { .oc = x } - -/* - * omap_rev bits: - * CPU id bits (0730, 1510, 1710, 2422...) [31:16] - * CPU revision (See _REV_ defined in cpu.h) [15:08] - * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00] - */ -unsigned int omap_rev(void); - -/* - * Define CPU revision bits - * - * Verbose meaning of the revision bits may be different for a silicon - * family. This difference can be handled separately. - */ -#define OMAP_REVBITS_00 0x00 -#define OMAP_REVBITS_01 0x01 -#define OMAP_REVBITS_02 0x02 -#define OMAP_REVBITS_03 0x03 -#define OMAP_REVBITS_04 0x04 -#define OMAP_REVBITS_05 0x05 - -/* - * Get the CPU revision for OMAP devices - */ -#define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff) - -/* - * Macros to group OMAP into cpu classes. - * These can be used in most places. - * cpu_is_omap7xx(): True for OMAP730, OMAP850 - * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310 - * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710 - * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430 - * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423 - * cpu_is_omap243x(): True for OMAP2430 - * cpu_is_omap343x(): True for OMAP3430 - * cpu_is_omap443x(): True for OMAP4430 - */ -#define GET_OMAP_CLASS (omap_rev() & 0xff) - -#define IS_OMAP_CLASS(class, id) \ -static inline int is_omap ##class (void) \ -{ \ - return (GET_OMAP_CLASS == (id)) ? 1 : 0; \ -} - -#define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff) - -#define IS_OMAP_SUBCLASS(subclass, id) \ -static inline int is_omap ##subclass (void) \ -{ \ - return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ -} - -IS_OMAP_CLASS(7xx, 0x07) -IS_OMAP_CLASS(15xx, 0x15) -IS_OMAP_CLASS(16xx, 0x16) -IS_OMAP_CLASS(24xx, 0x24) -IS_OMAP_CLASS(34xx, 0x34) -IS_OMAP_CLASS(44xx, 0x44) - -IS_OMAP_SUBCLASS(242x, 0x242) -IS_OMAP_SUBCLASS(243x, 0x243) -IS_OMAP_SUBCLASS(343x, 0x343) -IS_OMAP_SUBCLASS(363x, 0x363) -IS_OMAP_SUBCLASS(443x, 0x443) - -#define cpu_is_omap7xx() 0 -#define cpu_is_omap15xx() 0 -#define cpu_is_omap16xx() 0 -#define cpu_is_omap24xx() 0 -#define cpu_is_omap242x() 0 -#define cpu_is_omap243x() 0 -#define cpu_is_omap34xx() 0 -#define cpu_is_omap343x() 0 -#define cpu_is_omap44xx() 0 -#define cpu_is_omap443x() 0 - -#if defined(MULTI_OMAP1) -# if defined(CONFIG_ARCH_OMAP730) -# undef cpu_is_omap7xx -# define cpu_is_omap7xx() is_omap7xx() -# endif -# if defined(CONFIG_ARCH_OMAP850) -# undef cpu_is_omap7xx -# define cpu_is_omap7xx() is_omap7xx() -# endif -# if defined(CONFIG_ARCH_OMAP15XX) -# undef cpu_is_omap15xx -# define cpu_is_omap15xx() is_omap15xx() -# endif -# if defined(CONFIG_ARCH_OMAP16XX) -# undef cpu_is_omap16xx -# define cpu_is_omap16xx() is_omap16xx() -# endif -#else -# if defined(CONFIG_ARCH_OMAP730) -# undef cpu_is_omap7xx -# define cpu_is_omap7xx() 1 -# endif -# if defined(CONFIG_ARCH_OMAP850) -# undef cpu_is_omap7xx -# define cpu_is_omap7xx() 1 -# endif -# if defined(CONFIG_ARCH_OMAP15XX) -# undef cpu_is_omap15xx -# define cpu_is_omap15xx() 1 -# endif -# if defined(CONFIG_ARCH_OMAP16XX) -# undef cpu_is_omap16xx -# define cpu_is_omap16xx() 1 -# endif +#ifdef CONFIG_ARCH_OMAP1 +#include <mach/soc.h> #endif -#if defined(MULTI_OMAP2) -# if defined(CONFIG_ARCH_OMAP2) -# undef cpu_is_omap24xx -# define cpu_is_omap24xx() is_omap24xx() -# endif -# if defined (CONFIG_ARCH_OMAP2420) -# undef cpu_is_omap242x -# define cpu_is_omap242x() is_omap242x() -# endif -# if defined (CONFIG_ARCH_OMAP2430) -# undef cpu_is_omap243x -# define cpu_is_omap243x() is_omap243x() -# endif -# if defined(CONFIG_ARCH_OMAP3) -# undef cpu_is_omap34xx -# undef cpu_is_omap343x -# define cpu_is_omap34xx() is_omap34xx() -# define cpu_is_omap343x() is_omap343x() -# endif -#else -# if defined(CONFIG_ARCH_OMAP2) -# undef cpu_is_omap24xx -# define cpu_is_omap24xx() 1 -# endif -# if defined(CONFIG_ARCH_OMAP2420) -# undef cpu_is_omap242x -# define cpu_is_omap242x() 1 -# endif -# if defined(CONFIG_ARCH_OMAP2430) -# undef cpu_is_omap243x -# define cpu_is_omap243x() 1 -# endif -# if defined(CONFIG_ARCH_OMAP3) -# undef cpu_is_omap34xx -# define cpu_is_omap34xx() 1 -# endif -# if defined(CONFIG_ARCH_OMAP3430) -# undef cpu_is_omap343x -# define cpu_is_omap343x() 1 -# endif -#endif - -/* - * Macros to detect individual cpu types. - * These are only rarely needed. - * cpu_is_omap330(): True for OMAP330 - * cpu_is_omap730(): True for OMAP730 - * cpu_is_omap850(): True for OMAP850 - * cpu_is_omap1510(): True for OMAP1510 - * cpu_is_omap1610(): True for OMAP1610 - * cpu_is_omap1611(): True for OMAP1611 - * cpu_is_omap5912(): True for OMAP5912 - * cpu_is_omap1621(): True for OMAP1621 - * cpu_is_omap1710(): True for OMAP1710 - * cpu_is_omap2420(): True for OMAP2420 - * cpu_is_omap2422(): True for OMAP2422 - * cpu_is_omap2423(): True for OMAP2423 - * cpu_is_omap2430(): True for OMAP2430 - * cpu_is_omap3430(): True for OMAP3430 - * cpu_is_omap4430(): True for OMAP4430 - * cpu_is_omap3505(): True for OMAP3505 - * cpu_is_omap3517(): True for OMAP3517 - */ -#define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff) - -#define IS_OMAP_TYPE(type, id) \ -static inline int is_omap ##type (void) \ -{ \ - return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ -} - -IS_OMAP_TYPE(310, 0x0310) -IS_OMAP_TYPE(730, 0x0730) -IS_OMAP_TYPE(850, 0x0850) -IS_OMAP_TYPE(1510, 0x1510) -IS_OMAP_TYPE(1610, 0x1610) -IS_OMAP_TYPE(1611, 0x1611) -IS_OMAP_TYPE(5912, 0x1611) -IS_OMAP_TYPE(1621, 0x1621) -IS_OMAP_TYPE(1710, 0x1710) -IS_OMAP_TYPE(2420, 0x2420) -IS_OMAP_TYPE(2422, 0x2422) -IS_OMAP_TYPE(2423, 0x2423) -IS_OMAP_TYPE(2430, 0x2430) -IS_OMAP_TYPE(3430, 0x3430) -IS_OMAP_TYPE(3505, 0x3505) -IS_OMAP_TYPE(3517, 0x3517) - -#define cpu_is_omap310() 0 -#define cpu_is_omap730() 0 -#define cpu_is_omap850() 0 -#define cpu_is_omap1510() 0 -#define cpu_is_omap1610() 0 -#define cpu_is_omap5912() 0 -#define cpu_is_omap1611() 0 -#define cpu_is_omap1621() 0 -#define cpu_is_omap1710() 0 -#define cpu_is_omap2420() 0 -#define cpu_is_omap2422() 0 -#define cpu_is_omap2423() 0 -#define cpu_is_omap2430() 0 -#define cpu_is_omap3503() 0 -#define cpu_is_omap3515() 0 -#define cpu_is_omap3525() 0 -#define cpu_is_omap3530() 0 -#define cpu_is_omap3505() 0 -#define cpu_is_omap3517() 0 -#define cpu_is_omap3430() 0 -#define cpu_is_omap4430() 0 -#define cpu_is_omap3630() 0 - -/* - * Whether we have MULTI_OMAP1 or not, we still need to distinguish - * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710. - */ - -#if defined(CONFIG_ARCH_OMAP730) -# undef cpu_is_omap730 -# define cpu_is_omap730() is_omap730() -#endif - -#if defined(CONFIG_ARCH_OMAP850) -# undef cpu_is_omap850 -# define cpu_is_omap850() is_omap850() -#endif - -#if defined(CONFIG_ARCH_OMAP15XX) -# undef cpu_is_omap310 -# undef cpu_is_omap1510 -# define cpu_is_omap310() is_omap310() -# define cpu_is_omap1510() is_omap1510() -#endif - -#if defined(CONFIG_ARCH_OMAP16XX) -# undef cpu_is_omap1610 -# undef cpu_is_omap1611 -# undef cpu_is_omap5912 -# undef cpu_is_omap1621 -# undef cpu_is_omap1710 -# define cpu_is_omap1610() is_omap1610() -# define cpu_is_omap1611() is_omap1611() -# define cpu_is_omap5912() is_omap5912() -# define cpu_is_omap1621() is_omap1621() -# define cpu_is_omap1710() is_omap1710() -#endif - -#if defined(CONFIG_ARCH_OMAP2) -# undef cpu_is_omap2420 -# undef cpu_is_omap2422 -# undef cpu_is_omap2423 -# undef cpu_is_omap2430 -# define cpu_is_omap2420() is_omap2420() -# define cpu_is_omap2422() is_omap2422() -# define cpu_is_omap2423() is_omap2423() -# define cpu_is_omap2430() is_omap2430() -#endif - -#if defined(CONFIG_ARCH_OMAP3) -# undef cpu_is_omap3430 -# undef cpu_is_omap3503 -# undef cpu_is_omap3515 -# undef cpu_is_omap3525 -# undef cpu_is_omap3530 -# undef cpu_is_omap3505 -# undef cpu_is_omap3517 -# define cpu_is_omap3430() is_omap3430() -# define cpu_is_omap3503() (cpu_is_omap3430() && \ - (!omap3_has_iva()) && \ - (!omap3_has_sgx())) -# define cpu_is_omap3515() (cpu_is_omap3430() && \ - (!omap3_has_iva()) && \ - (omap3_has_sgx())) -# define cpu_is_omap3525() (cpu_is_omap3430() && \ - (!omap3_has_sgx()) && \ - (omap3_has_iva())) -# define cpu_is_omap3530() (cpu_is_omap3430()) -# define cpu_is_omap3505() is_omap3505() -# define cpu_is_omap3517() is_omap3517() -# undef cpu_is_omap3630 -# define cpu_is_omap3630() is_omap363x() -#endif - -# if defined(CONFIG_ARCH_OMAP4) -# undef cpu_is_omap44xx -# undef cpu_is_omap443x -# define cpu_is_omap44xx() is_omap44xx() -# define cpu_is_omap443x() is_omap443x() -# endif - -/* Macros to detect if we have OMAP1 or OMAP2 */ -#define cpu_class_is_omap1() (cpu_is_omap7xx() || cpu_is_omap15xx() || \ - cpu_is_omap16xx()) -#define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx() || \ - cpu_is_omap44xx()) - -/* Various silicon revisions for omap2 */ -#define OMAP242X_CLASS 0x24200024 -#define OMAP2420_REV_ES1_0 OMAP242X_CLASS -#define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (OMAP_REVBITS_01 << 8)) - -#define OMAP243X_CLASS 0x24300024 -#define OMAP2430_REV_ES1_0 OMAP243X_CLASS - -#define OMAP343X_CLASS 0x34300034 -#define OMAP3430_REV_ES1_0 OMAP343X_CLASS -#define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (OMAP_REVBITS_01 << 8)) -#define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (OMAP_REVBITS_02 << 8)) -#define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (OMAP_REVBITS_03 << 8)) -#define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (OMAP_REVBITS_04 << 8)) -#define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (OMAP_REVBITS_05 << 8)) - -#define OMAP363X_CLASS 0x36300034 -#define OMAP3630_REV_ES1_0 OMAP363X_CLASS -#define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (OMAP_REVBITS_01 << 8)) -#define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (OMAP_REVBITS_02 << 8)) - -#define OMAP35XX_CLASS 0x35000034 -#define OMAP3503_REV(v) (OMAP35XX_CLASS | (0x3503 << 16) | (v << 8)) -#define OMAP3515_REV(v) (OMAP35XX_CLASS | (0x3515 << 16) | (v << 8)) -#define OMAP3525_REV(v) (OMAP35XX_CLASS | (0x3525 << 16) | (v << 8)) -#define OMAP3530_REV(v) (OMAP35XX_CLASS | (0x3530 << 16) | (v << 8)) -#define OMAP3505_REV(v) (OMAP35XX_CLASS | (0x3505 << 16) | (v << 8)) -#define OMAP3517_REV(v) (OMAP35XX_CLASS | (0x3517 << 16) | (v << 8)) - -#define OMAP443X_CLASS 0x44300044 -#define OMAP4430_REV_ES1_0 OMAP443X_CLASS -#define OMAP4430_REV_ES2_0 0x44301044 - -/* - * omap_chip bits - * - * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is - * valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates - * something that is only valid on that particular ES revision. - * - * These bits may be ORed together to indicate structures that are - * available on multiple chip types. - * - * To test whether a particular structure matches the current OMAP chip type, - * use omap_chip_is(). - * - */ -#define CHIP_IS_OMAP2420 (1 << 0) -#define CHIP_IS_OMAP2430 (1 << 1) -#define CHIP_IS_OMAP3430 (1 << 2) -#define CHIP_IS_OMAP3430ES1 (1 << 3) -#define CHIP_IS_OMAP3430ES2 (1 << 4) -#define CHIP_IS_OMAP3430ES3_0 (1 << 5) -#define CHIP_IS_OMAP3430ES3_1 (1 << 6) -#define CHIP_IS_OMAP3630ES1 (1 << 7) -#define CHIP_IS_OMAP4430ES1 (1 << 8) -#define CHIP_IS_OMAP3630ES1_1 (1 << 9) -#define CHIP_IS_OMAP3630ES1_2 (1 << 10) -#define CHIP_IS_OMAP4430ES2 (1 << 11) - -#define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430) - -#define CHIP_IS_OMAP4430 (CHIP_IS_OMAP4430ES1 | \ - CHIP_IS_OMAP4430ES2) - -/* - * "GE" here represents "greater than or equal to" in terms of ES - * levels. So CHIP_GE_OMAP3430ES2 is intended to match all OMAP3430 - * chips at ES2 and beyond, but not, for example, any OMAP lines after - * OMAP3. - */ -#define CHIP_GE_OMAP3430ES2 (CHIP_IS_OMAP3430ES2 | \ - CHIP_IS_OMAP3430ES3_0 | \ - CHIP_GE_OMAP3430ES3_1) -#define CHIP_GE_OMAP3430ES3_1 (CHIP_IS_OMAP3430ES3_1 | \ - CHIP_IS_OMAP3630ES1 | \ - CHIP_GE_OMAP3630ES1_1) -#define CHIP_GE_OMAP3630ES1_1 (CHIP_IS_OMAP3630ES1_1 | \ - CHIP_IS_OMAP3630ES1_2) - -int omap_chip_is(struct omap_chip_id oci); -void omap2_check_revision(void); - -/* - * Runtime detection of OMAP3 features - */ -extern u32 omap3_features; - -#define OMAP3_HAS_L2CACHE BIT(0) -#define OMAP3_HAS_IVA BIT(1) -#define OMAP3_HAS_SGX BIT(2) -#define OMAP3_HAS_NEON BIT(3) -#define OMAP3_HAS_ISP BIT(4) -#define OMAP3_HAS_192MHZ_CLK BIT(5) -#define OMAP3_HAS_IO_WAKEUP BIT(6) - -#define OMAP3_HAS_FEATURE(feat,flag) \ -static inline unsigned int omap3_has_ ##feat(void) \ -{ \ - return (omap3_features & OMAP3_HAS_ ##flag); \ -} \ - -OMAP3_HAS_FEATURE(l2cache, L2CACHE) -OMAP3_HAS_FEATURE(sgx, SGX) -OMAP3_HAS_FEATURE(iva, IVA) -OMAP3_HAS_FEATURE(neon, NEON) -OMAP3_HAS_FEATURE(isp, ISP) -OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK) -OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP) - #endif diff --git a/arch/arm/plat-omap/include/plat/display.h b/arch/arm/plat-omap/include/plat/display.h deleted file mode 100644 index 537f4e449f5..00000000000 --- a/arch/arm/plat-omap/include/plat/display.h +++ /dev/null @@ -1,569 +0,0 @@ -/* - * linux/include/asm-arm/arch-omap/display.h - * - * Copyright (C) 2008 Nokia Corporation - * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef __ASM_ARCH_OMAP_DISPLAY_H -#define __ASM_ARCH_OMAP_DISPLAY_H - -#include <linux/list.h> -#include <linux/kobject.h> -#include <linux/device.h> -#include <asm/atomic.h> - -#define DISPC_IRQ_FRAMEDONE (1 << 0) -#define DISPC_IRQ_VSYNC (1 << 1) -#define DISPC_IRQ_EVSYNC_EVEN (1 << 2) -#define DISPC_IRQ_EVSYNC_ODD (1 << 3) -#define DISPC_IRQ_ACBIAS_COUNT_STAT (1 << 4) -#define DISPC_IRQ_PROG_LINE_NUM (1 << 5) -#define DISPC_IRQ_GFX_FIFO_UNDERFLOW (1 << 6) -#define DISPC_IRQ_GFX_END_WIN (1 << 7) -#define DISPC_IRQ_PAL_GAMMA_MASK (1 << 8) -#define DISPC_IRQ_OCP_ERR (1 << 9) -#define DISPC_IRQ_VID1_FIFO_UNDERFLOW (1 << 10) -#define DISPC_IRQ_VID1_END_WIN (1 << 11) -#define DISPC_IRQ_VID2_FIFO_UNDERFLOW (1 << 12) -#define DISPC_IRQ_VID2_END_WIN (1 << 13) -#define DISPC_IRQ_SYNC_LOST (1 << 14) -#define DISPC_IRQ_SYNC_LOST_DIGIT (1 << 15) -#define DISPC_IRQ_WAKEUP (1 << 16) -#define DISPC_IRQ_SYNC_LOST2 (1 << 17) -#define DISPC_IRQ_VSYNC2 (1 << 18) -#define DISPC_IRQ_ACBIAS_COUNT_STAT2 (1 << 21) -#define DISPC_IRQ_FRAMEDONE2 (1 << 22) - -struct omap_dss_device; -struct omap_overlay_manager; - -enum omap_display_type { - OMAP_DISPLAY_TYPE_NONE = 0, - OMAP_DISPLAY_TYPE_DPI = 1 << 0, - OMAP_DISPLAY_TYPE_DBI = 1 << 1, - OMAP_DISPLAY_TYPE_SDI = 1 << 2, - OMAP_DISPLAY_TYPE_DSI = 1 << 3, - OMAP_DISPLAY_TYPE_VENC = 1 << 4, -}; - -enum omap_plane { - OMAP_DSS_GFX = 0, - OMAP_DSS_VIDEO1 = 1, - OMAP_DSS_VIDEO2 = 2 -}; - -enum omap_channel { - OMAP_DSS_CHANNEL_LCD = 0, - OMAP_DSS_CHANNEL_DIGIT = 1, - OMAP_DSS_CHANNEL_LCD2 = 2, -}; - -enum omap_color_mode { - OMAP_DSS_COLOR_CLUT1 = 1 << 0, /* BITMAP 1 */ - OMAP_DSS_COLOR_CLUT2 = 1 << 1, /* BITMAP 2 */ - OMAP_DSS_COLOR_CLUT4 = 1 << 2, /* BITMAP 4 */ - OMAP_DSS_COLOR_CLUT8 = 1 << 3, /* BITMAP 8 */ - OMAP_DSS_COLOR_RGB12U = 1 << 4, /* RGB12, 16-bit container */ - OMAP_DSS_COLOR_ARGB16 = 1 << 5, /* ARGB16 */ - OMAP_DSS_COLOR_RGB16 = 1 << 6, /* RGB16 */ - OMAP_DSS_COLOR_RGB24U = 1 << 7, /* RGB24, 32-bit container */ - OMAP_DSS_COLOR_RGB24P = 1 << 8, /* RGB24, 24-bit container */ - OMAP_DSS_COLOR_YUV2 = 1 << 9, /* YUV2 4:2:2 co-sited */ - OMAP_DSS_COLOR_UYVY = 1 << 10, /* UYVY 4:2:2 co-sited */ - OMAP_DSS_COLOR_ARGB32 = 1 << 11, /* ARGB32 */ - OMAP_DSS_COLOR_RGBA32 = 1 << 12, /* RGBA32 */ - OMAP_DSS_COLOR_RGBX32 = 1 << 13, /* RGBx32 */ -}; - -enum omap_lcd_display_type { - OMAP_DSS_LCD_DISPLAY_STN, - OMAP_DSS_LCD_DISPLAY_TFT, -}; - -enum omap_dss_load_mode { - OMAP_DSS_LOAD_CLUT_AND_FRAME = 0, - OMAP_DSS_LOAD_CLUT_ONLY = 1, - OMAP_DSS_LOAD_FRAME_ONLY = 2, - OMAP_DSS_LOAD_CLUT_ONCE_FRAME = 3, -}; - -enum omap_dss_trans_key_type { - OMAP_DSS_COLOR_KEY_GFX_DST = 0, - OMAP_DSS_COLOR_KEY_VID_SRC = 1, -}; - -enum omap_rfbi_te_mode { - OMAP_DSS_RFBI_TE_MODE_1 = 1, - OMAP_DSS_RFBI_TE_MODE_2 = 2, -}; - -enum omap_panel_config { - OMAP_DSS_LCD_IVS = 1<<0, - OMAP_DSS_LCD_IHS = 1<<1, - OMAP_DSS_LCD_IPC = 1<<2, - OMAP_DSS_LCD_IEO = 1<<3, - OMAP_DSS_LCD_RF = 1<<4, - OMAP_DSS_LCD_ONOFF = 1<<5, - - OMAP_DSS_LCD_TFT = 1<<20, -}; - -enum omap_dss_venc_type { - OMAP_DSS_VENC_TYPE_COMPOSITE, - OMAP_DSS_VENC_TYPE_SVIDEO, -}; - -enum omap_display_caps { - OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE = 1 << 0, - OMAP_DSS_DISPLAY_CAP_TEAR_ELIM = 1 << 1, -}; - -enum omap_dss_update_mode { - OMAP_DSS_UPDATE_DISABLED = 0, - OMAP_DSS_UPDATE_AUTO, - OMAP_DSS_UPDATE_MANUAL, -}; - -enum omap_dss_display_state { - OMAP_DSS_DISPLAY_DISABLED = 0, - OMAP_DSS_DISPLAY_ACTIVE, - OMAP_DSS_DISPLAY_SUSPENDED, -}; - -/* XXX perhaps this should be removed */ -enum omap_dss_overlay_managers { - OMAP_DSS_OVL_MGR_LCD, - OMAP_DSS_OVL_MGR_TV, - OMAP_DSS_OVL_MGR_LCD2, -}; - -enum omap_dss_rotation_type { - OMAP_DSS_ROT_DMA = 0, - OMAP_DSS_ROT_VRFB = 1, -}; - -/* clockwise rotation angle */ -enum omap_dss_rotation_angle { - OMAP_DSS_ROT_0 = 0, - OMAP_DSS_ROT_90 = 1, - OMAP_DSS_ROT_180 = 2, - OMAP_DSS_ROT_270 = 3, -}; - -enum omap_overlay_caps { - OMAP_DSS_OVL_CAP_SCALE = 1 << 0, - OMAP_DSS_OVL_CAP_DISPC = 1 << 1, -}; - -enum omap_overlay_manager_caps { - OMAP_DSS_OVL_MGR_CAP_DISPC = 1 << 0, -}; - -/* RFBI */ - -struct rfbi_timings { - int cs_on_time; - int cs_off_time; - int we_on_time; - int we_off_time; - int re_on_time; - int re_off_time; - int we_cycle_time; - int re_cycle_time; - int cs_pulse_width; - int access_time; - - int clk_div; - - u32 tim[5]; /* set by rfbi_convert_timings() */ - - int converted; -}; - -void omap_rfbi_write_command(const void *buf, u32 len); -void omap_rfbi_read_data(void *buf, u32 len); -void omap_rfbi_write_data(const void *buf, u32 len); -void omap_rfbi_write_pixels(const void __iomem *buf, int scr_width, - u16 x, u16 y, - u16 w, u16 h); -int omap_rfbi_enable_te(bool enable, unsigned line); -int omap_rfbi_setup_te(enum omap_rfbi_te_mode mode, - unsigned hs_pulse_time, unsigned vs_pulse_time, - int hs_pol_inv, int vs_pol_inv, int extif_div); - -/* DSI */ -void dsi_bus_lock(void); -void dsi_bus_unlock(void); -int dsi_vc_dcs_write(int channel, u8 *data, int len); -int dsi_vc_dcs_write_0(int channel, u8 dcs_cmd); -int dsi_vc_dcs_write_1(int channel, u8 dcs_cmd, u8 param); -int dsi_vc_dcs_write_nosync(int channel, u8 *data, int len); -int dsi_vc_dcs_read(int channel, u8 dcs_cmd, u8 *buf, int buflen); -int dsi_vc_dcs_read_1(int channel, u8 dcs_cmd, u8 *data); -int dsi_vc_dcs_read_2(int channel, u8 dcs_cmd, u8 *data1, u8 *data2); -int dsi_vc_set_max_rx_packet_size(int channel, u16 len); -int dsi_vc_send_null(int channel); -int dsi_vc_send_bta_sync(int channel); - -/* Board specific data */ -struct omap_dss_board_info { - int (*get_last_off_on_transaction_id)(struct device *dev); - int num_devices; - struct omap_dss_device **devices; - struct omap_dss_device *default_device; -}; - -struct omap_video_timings { - /* Unit: pixels */ - u16 x_res; - /* Unit: pixels */ - u16 y_res; - /* Unit: KHz */ - u32 pixel_clock; - /* Unit: pixel clocks */ - u16 hsw; /* Horizontal synchronization pulse width */ - /* Unit: pixel clocks */ - u16 hfp; /* Horizontal front porch */ - /* Unit: pixel clocks */ - u16 hbp; /* Horizontal back porch */ - /* Unit: line clocks */ - u16 vsw; /* Vertical synchronization pulse width */ - /* Unit: line clocks */ - u16 vfp; /* Vertical front porch */ - /* Unit: line clocks */ - u16 vbp; /* Vertical back porch */ -}; - -#ifdef CONFIG_OMAP2_DSS_VENC -/* Hardcoded timings for tv modes. Venc only uses these to - * identify the mode, and does not actually use the configs - * itself. However, the configs should be something that - * a normal monitor can also show */ -extern const struct omap_video_timings omap_dss_pal_timings; -extern const struct omap_video_timings omap_dss_ntsc_timings; -#endif - -struct omap_overlay_info { - bool enabled; - - u32 paddr; - void __iomem *vaddr; - u16 screen_width; - u16 width; - u16 height; - enum omap_color_mode color_mode; - u8 rotation; - enum omap_dss_rotation_type rotation_type; - bool mirror; - - u16 pos_x; - u16 pos_y; - u16 out_width; /* if 0, out_width == width */ - u16 out_height; /* if 0, out_height == height */ - u8 global_alpha; - u8 pre_mult_alpha; -}; - -struct omap_overlay { - struct kobject kobj; - struct list_head list; - - /* static fields */ - const char *name; - int id; - enum omap_color_mode supported_modes; - enum omap_overlay_caps caps; - - /* dynamic fields */ - struct omap_overlay_manager *manager; - struct omap_overlay_info info; - - /* if true, info has been changed, but not applied() yet */ - bool info_dirty; - - int (*set_manager)(struct omap_overlay *ovl, - struct omap_overlay_manager *mgr); - int (*unset_manager)(struct omap_overlay *ovl); - - int (*set_overlay_info)(struct omap_overlay *ovl, - struct omap_overlay_info *info); - void (*get_overlay_info)(struct omap_overlay *ovl, - struct omap_overlay_info *info); - - int (*wait_for_go)(struct omap_overlay *ovl); -}; - -struct omap_overlay_manager_info { - u32 default_color; - - enum omap_dss_trans_key_type trans_key_type; - u32 trans_key; - bool trans_enabled; - - bool alpha_enabled; -}; - -struct omap_overlay_manager { - struct kobject kobj; - struct list_head list; - - /* static fields */ - const char *name; - int id; - enum omap_overlay_manager_caps caps; - int num_overlays; - struct omap_overlay **overlays; - enum omap_display_type supported_displays; - - /* dynamic fields */ - struct omap_dss_device *device; - struct omap_overlay_manager_info info; - - bool device_changed; - /* if true, info has been changed but not applied() yet */ - bool info_dirty; - - int (*set_device)(struct omap_overlay_manager *mgr, - struct omap_dss_device *dssdev); - int (*unset_device)(struct omap_overlay_manager *mgr); - - int (*set_manager_info)(struct omap_overlay_manager *mgr, - struct omap_overlay_manager_info *info); - void (*get_manager_info)(struct omap_overlay_manager *mgr, - struct omap_overlay_manager_info *info); - - int (*apply)(struct omap_overlay_manager *mgr); - int (*wait_for_go)(struct omap_overlay_manager *mgr); - int (*wait_for_vsync)(struct omap_overlay_manager *mgr); - - int (*enable)(struct omap_overlay_manager *mgr); - int (*disable)(struct omap_overlay_manager *mgr); -}; - -struct omap_dss_device { - struct device dev; - - enum omap_display_type type; - - enum omap_channel channel; - - union { - struct { - u8 data_lines; - } dpi; - - struct { - u8 channel; - u8 data_lines; - } rfbi; - - struct { - u8 datapairs; - } sdi; - - struct { - u8 clk_lane; - u8 clk_pol; - u8 data1_lane; - u8 data1_pol; - u8 data2_lane; - u8 data2_pol; - - struct { - u16 regn; - u16 regm; - u16 regm3; - u16 regm4; - - u16 lp_clk_div; - - u16 lck_div; - u16 pck_div; - } div; - - bool ext_te; - u8 ext_te_gpio; - } dsi; - - struct { - enum omap_dss_venc_type type; - bool invert_polarity; - } venc; - } phy; - - struct { - struct omap_video_timings timings; - - int acbi; /* ac-bias pin transitions per interrupt */ - /* Unit: line clocks */ - int acb; /* ac-bias pin frequency */ - - enum omap_panel_config config; - } panel; - - struct { - u8 pixel_size; - struct rfbi_timings rfbi_timings; - } ctrl; - - int reset_gpio; - - int max_backlight_level; - - const char *name; - - /* used to match device to driver */ - const char *driver_name; - - void *data; - - struct omap_dss_driver *driver; - - /* helper variable for driver suspend/resume */ - bool activate_after_resume; - - enum omap_display_caps caps; - - struct omap_overlay_manager *manager; - - enum omap_dss_display_state state; - - /* platform specific */ - int (*platform_enable)(struct omap_dss_device *dssdev); - void (*platform_disable)(struct omap_dss_device *dssdev); - int (*set_backlight)(struct omap_dss_device *dssdev, int level); - int (*get_backlight)(struct omap_dss_device *dssdev); -}; - -struct omap_dss_driver { - struct device_driver driver; - - int (*probe)(struct omap_dss_device *); - void (*remove)(struct omap_dss_device *); - - int (*enable)(struct omap_dss_device *display); - void (*disable)(struct omap_dss_device *display); - int (*suspend)(struct omap_dss_device *display); - int (*resume)(struct omap_dss_device *display); - int (*run_test)(struct omap_dss_device *display, int test); - - int (*set_update_mode)(struct omap_dss_device *dssdev, - enum omap_dss_update_mode); - enum omap_dss_update_mode (*get_update_mode)( - struct omap_dss_device *dssdev); - - int (*update)(struct omap_dss_device *dssdev, - u16 x, u16 y, u16 w, u16 h); - int (*sync)(struct omap_dss_device *dssdev); - - int (*enable_te)(struct omap_dss_device *dssdev, bool enable); - int (*get_te)(struct omap_dss_device *dssdev); - - u8 (*get_rotate)(struct omap_dss_device *dssdev); - int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate); - - bool (*get_mirror)(struct omap_dss_device *dssdev); - int (*set_mirror)(struct omap_dss_device *dssdev, bool enable); - - int (*memory_read)(struct omap_dss_device *dssdev, - void *buf, size_t size, - u16 x, u16 y, u16 w, u16 h); - - void (*get_resolution)(struct omap_dss_device *dssdev, - u16 *xres, u16 *yres); - int (*get_recommended_bpp)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct omap_video_timings *timings); - void (*set_timings)(struct omap_dss_device *dssdev, - struct omap_video_timings *timings); - void (*get_timings)(struct omap_dss_device *dssdev, - struct omap_video_timings *timings); - - int (*set_wss)(struct omap_dss_device *dssdev, u32 wss); - u32 (*get_wss)(struct omap_dss_device *dssdev); -}; - -int omap_dss_register_driver(struct omap_dss_driver *); -void omap_dss_unregister_driver(struct omap_dss_driver *); - -int omap_dss_register_device(struct omap_dss_device *); -void omap_dss_unregister_device(struct omap_dss_device *); - -void omap_dss_get_device(struct omap_dss_device *dssdev); -void omap_dss_put_device(struct omap_dss_device *dssdev); -#define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL) -struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from); -struct omap_dss_device *omap_dss_find_device(void *data, - int (*match)(struct omap_dss_device *dssdev, void *data)); - -int omap_dss_start_device(struct omap_dss_device *dssdev); -void omap_dss_stop_device(struct omap_dss_device *dssdev); - -int omap_dss_get_num_overlay_managers(void); -struct omap_overlay_manager *omap_dss_get_overlay_manager(int num); - -int omap_dss_get_num_overlays(void); -struct omap_overlay *omap_dss_get_overlay(int num); - -void omapdss_default_get_resolution(struct omap_dss_device *dssdev, - u16 *xres, u16 *yres); -int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev); - -typedef void (*omap_dispc_isr_t) (void *arg, u32 mask); -int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask); -int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask); - -int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout); -int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask, - unsigned long timeout); - -#define to_dss_driver(x) container_of((x), struct omap_dss_driver, driver) -#define to_dss_device(x) container_of((x), struct omap_dss_device, dev) - -void omapdss_dsi_vc_enable_hs(int channel, bool enable); -int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable); - -int omap_dsi_prepare_update(struct omap_dss_device *dssdev, - u16 *x, u16 *y, u16 *w, u16 *h, - bool enlarge_update_area); -int omap_dsi_update(struct omap_dss_device *dssdev, - int channel, - u16 x, u16 y, u16 w, u16 h, - void (*callback)(int, void *), void *data); - -int omapdss_dsi_display_enable(struct omap_dss_device *dssdev); -void omapdss_dsi_display_disable(struct omap_dss_device *dssdev); - -int omapdss_dpi_display_enable(struct omap_dss_device *dssdev); -void omapdss_dpi_display_disable(struct omap_dss_device *dssdev); -void dpi_set_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings); -int dpi_check_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings); - -int omapdss_sdi_display_enable(struct omap_dss_device *dssdev); -void omapdss_sdi_display_disable(struct omap_dss_device *dssdev); - -int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev); -void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev); -int omap_rfbi_prepare_update(struct omap_dss_device *dssdev, - u16 *x, u16 *y, u16 *w, u16 *h); -int omap_rfbi_update(struct omap_dss_device *dssdev, - u16 x, u16 y, u16 w, u16 h, - void (*callback)(void *), void *data); - -#endif diff --git a/arch/arm/plat-omap/include/plat/dma-44xx.h b/arch/arm/plat-omap/include/plat/dma-44xx.h deleted file mode 100644 index 1f767cb2f38..00000000000 --- a/arch/arm/plat-omap/include/plat/dma-44xx.h +++ /dev/null @@ -1,147 +0,0 @@ -/* - * OMAP4 SDMA channel definitions - * - * Copyright (C) 2009-2010 Texas Instruments, Inc. - * Copyright (C) 2009-2010 Nokia Corporation - * - * Santosh Shilimkar (santosh.shilimkar@ti.com) - * Benoit Cousson (b-cousson@ti.com) - * Paul Walmsley (paul@pwsan.com) - * - * This file is automatically generated from the OMAP hardware databases. - * We respectfully ask that any modifications to this file be coordinated - * with the public linux-omap@vger.kernel.org mailing list and the - * authors above to ensure that the autogeneration scripts are kept - * up-to-date with the file contents. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ARCH_ARM_MACH_OMAP2_OMAP44XX_DMA_H -#define __ARCH_ARM_MACH_OMAP2_OMAP44XX_DMA_H - -#define OMAP44XX_DMA_SYS_REQ0 2 -#define OMAP44XX_DMA_SYS_REQ1 3 -#define OMAP44XX_DMA_GPMC 4 -#define OMAP44XX_DMA_DSS_DISPC_REQ 6 -#define OMAP44XX_DMA_SYS_REQ2 7 -#define OMAP44XX_DMA_MCASP1_AXEVT 8 -#define OMAP44XX_DMA_ISS_REQ1 9 -#define OMAP44XX_DMA_ISS_REQ2 10 -#define OMAP44XX_DMA_MCASP1_AREVT 11 -#define OMAP44XX_DMA_ISS_REQ3 12 -#define OMAP44XX_DMA_ISS_REQ4 13 -#define OMAP44XX_DMA_DSS_RFBI_REQ 14 -#define OMAP44XX_DMA_SPI3_TX0 15 -#define OMAP44XX_DMA_SPI3_RX0 16 -#define OMAP44XX_DMA_MCBSP2_TX 17 -#define OMAP44XX_DMA_MCBSP2_RX 18 -#define OMAP44XX_DMA_MCBSP3_TX 19 -#define OMAP44XX_DMA_MCBSP3_RX 20 -#define OMAP44XX_DMA_C2C_SSCM_GPO0 21 -#define OMAP44XX_DMA_C2C_SSCM_GPO1 22 -#define OMAP44XX_DMA_SPI3_TX1 23 -#define OMAP44XX_DMA_SPI3_RX1 24 -#define OMAP44XX_DMA_I2C3_TX 25 -#define OMAP44XX_DMA_I2C3_RX 26 -#define OMAP44XX_DMA_I2C1_TX 27 -#define OMAP44XX_DMA_I2C1_RX 28 -#define OMAP44XX_DMA_I2C2_TX 29 -#define OMAP44XX_DMA_I2C2_RX 30 -#define OMAP44XX_DMA_MCBSP4_TX 31 -#define OMAP44XX_DMA_MCBSP4_RX 32 -#define OMAP44XX_DMA_MCBSP1_TX 33 -#define OMAP44XX_DMA_MCBSP1_RX 34 -#define OMAP44XX_DMA_SPI1_TX0 35 -#define OMAP44XX_DMA_SPI1_RX0 36 -#define OMAP44XX_DMA_SPI1_TX1 37 -#define OMAP44XX_DMA_SPI1_RX1 38 -#define OMAP44XX_DMA_SPI1_TX2 39 -#define OMAP44XX_DMA_SPI1_RX2 40 -#define OMAP44XX_DMA_SPI1_TX3 41 -#define OMAP44XX_DMA_SPI1_RX3 42 -#define OMAP44XX_DMA_SPI2_TX0 43 -#define OMAP44XX_DMA_SPI2_RX0 44 -#define OMAP44XX_DMA_SPI2_TX1 45 -#define OMAP44XX_DMA_SPI2_RX1 46 -#define OMAP44XX_DMA_MMC2_TX 47 -#define OMAP44XX_DMA_MMC2_RX 48 -#define OMAP44XX_DMA_UART1_TX 49 -#define OMAP44XX_DMA_UART1_RX 50 -#define OMAP44XX_DMA_UART2_TX 51 -#define OMAP44XX_DMA_UART2_RX 52 -#define OMAP44XX_DMA_UART3_TX 53 -#define OMAP44XX_DMA_UART3_RX 54 -#define OMAP44XX_DMA_UART4_TX 55 -#define OMAP44XX_DMA_UART4_RX 56 -#define OMAP44XX_DMA_MMC4_TX 57 -#define OMAP44XX_DMA_MMC4_RX 58 -#define OMAP44XX_DMA_MMC5_TX 59 -#define OMAP44XX_DMA_MMC5_RX 60 -#define OMAP44XX_DMA_MMC1_TX 61 -#define OMAP44XX_DMA_MMC1_RX 62 -#define OMAP44XX_DMA_SYS_REQ3 64 -#define OMAP44XX_DMA_MCPDM_UP 65 -#define OMAP44XX_DMA_MCPDM_DL 66 -#define OMAP44XX_DMA_DMIC_REQ 67 -#define OMAP44XX_DMA_C2C_SSCM_GPO2 68 -#define OMAP44XX_DMA_C2C_SSCM_GPO3 69 -#define OMAP44XX_DMA_SPI4_TX0 70 -#define OMAP44XX_DMA_SPI4_RX0 71 -#define OMAP44XX_DMA_DSS_DSI1_REQ0 72 -#define OMAP44XX_DMA_DSS_DSI1_REQ1 73 -#define OMAP44XX_DMA_DSS_DSI1_REQ2 74 -#define OMAP44XX_DMA_DSS_DSI1_REQ3 75 -#define OMAP44XX_DMA_DSS_HDMI_REQ 76 -#define OMAP44XX_DMA_MMC3_TX 77 -#define OMAP44XX_DMA_MMC3_RX 78 -#define OMAP44XX_DMA_USIM_TX 79 -#define OMAP44XX_DMA_USIM_RX 80 -#define OMAP44XX_DMA_DSS_DSI2_REQ0 81 -#define OMAP44XX_DMA_DSS_DSI2_REQ1 82 -#define OMAP44XX_DMA_DSS_DSI2_REQ2 83 -#define OMAP44XX_DMA_DSS_DSI2_REQ3 84 -#define OMAP44XX_DMA_SLIMBUS1_TX0 85 -#define OMAP44XX_DMA_SLIMBUS1_TX1 86 -#define OMAP44XX_DMA_SLIMBUS1_TX2 87 -#define OMAP44XX_DMA_SLIMBUS1_TX3 88 -#define OMAP44XX_DMA_SLIMBUS1_RX0 89 -#define OMAP44XX_DMA_SLIMBUS1_RX1 90 -#define OMAP44XX_DMA_SLIMBUS1_RX2 91 -#define OMAP44XX_DMA_SLIMBUS1_RX3 92 -#define OMAP44XX_DMA_SLIMBUS2_TX0 93 -#define OMAP44XX_DMA_SLIMBUS2_TX1 94 -#define OMAP44XX_DMA_SLIMBUS2_TX2 95 -#define OMAP44XX_DMA_SLIMBUS2_TX3 96 -#define OMAP44XX_DMA_SLIMBUS2_RX0 97 -#define OMAP44XX_DMA_SLIMBUS2_RX1 98 -#define OMAP44XX_DMA_SLIMBUS2_RX2 99 -#define OMAP44XX_DMA_SLIMBUS2_RX3 100 -#define OMAP44XX_DMA_ABE_REQ_0 101 -#define OMAP44XX_DMA_ABE_REQ_1 102 -#define OMAP44XX_DMA_ABE_REQ_2 103 -#define OMAP44XX_DMA_ABE_REQ_3 104 -#define OMAP44XX_DMA_ABE_REQ_4 105 -#define OMAP44XX_DMA_ABE_REQ_5 106 -#define OMAP44XX_DMA_ABE_REQ_6 107 -#define OMAP44XX_DMA_ABE_REQ_7 108 -#define OMAP44XX_DMA_AES1_P_CTX_IN_REQ 109 -#define OMAP44XX_DMA_AES1_P_DATA_IN_REQ 110 -#define OMAP44XX_DMA_AES1_P_DATA_OUT_REQ 111 -#define OMAP44XX_DMA_AES2_P_CTX_IN_REQ 112 -#define OMAP44XX_DMA_AES2_P_DATA_IN_REQ 113 -#define OMAP44XX_DMA_AES2_P_DATA_OUT_REQ 114 -#define OMAP44XX_DMA_DES_P_CTX_IN_REQ 115 -#define OMAP44XX_DMA_DES_P_DATA_IN_REQ 116 -#define OMAP44XX_DMA_DES_P_DATA_OUT_REQ 117 -#define OMAP44XX_DMA_SHA2_CTXIN_P 118 -#define OMAP44XX_DMA_SHA2_DIN_P 119 -#define OMAP44XX_DMA_SHA2_CTXOUT_P 120 -#define OMAP44XX_DMA_AES1_P_CONTEXT_OUT_REQ 121 -#define OMAP44XX_DMA_AES2_P_CONTEXT_OUT_REQ 122 -#define OMAP44XX_DMA_I2C4_TX 124 -#define OMAP44XX_DMA_I2C4_RX 125 - -#endif diff --git a/arch/arm/plat-omap/include/plat/dma.h b/arch/arm/plat-omap/include/plat/dma.h deleted file mode 100644 index d1c916fcf77..00000000000 --- a/arch/arm/plat-omap/include/plat/dma.h +++ /dev/null @@ -1,533 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/dma.h - * - * Copyright (C) 2003 Nokia Corporation - * Author: Juha Yrjölä <juha.yrjola@nokia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef __ASM_ARCH_DMA_H -#define __ASM_ARCH_DMA_H - -#include <linux/platform_device.h> - -/* - * TODO: These dma channel defines should go away once all - * the omap drivers hwmod adapted. - */ - -/* Move omap4 specific defines to dma-44xx.h */ -#include "dma-44xx.h" - -/* DMA channels for omap1 */ -#define OMAP_DMA_NO_DEVICE 0 -#define OMAP_DMA_MCSI1_TX 1 -#define OMAP_DMA_MCSI1_RX 2 -#define OMAP_DMA_I2C_RX 3 -#define OMAP_DMA_I2C_TX 4 -#define OMAP_DMA_EXT_NDMA_REQ 5 -#define OMAP_DMA_EXT_NDMA_REQ2 6 -#define OMAP_DMA_UWIRE_TX 7 -#define OMAP_DMA_MCBSP1_TX 8 -#define OMAP_DMA_MCBSP1_RX 9 -#define OMAP_DMA_MCBSP3_TX 10 -#define OMAP_DMA_MCBSP3_RX 11 -#define OMAP_DMA_UART1_TX 12 -#define OMAP_DMA_UART1_RX 13 -#define OMAP_DMA_UART2_TX 14 -#define OMAP_DMA_UART2_RX 15 -#define OMAP_DMA_MCBSP2_TX 16 -#define OMAP_DMA_MCBSP2_RX 17 -#define OMAP_DMA_UART3_TX 18 -#define OMAP_DMA_UART3_RX 19 -#define OMAP_DMA_CAMERA_IF_RX 20 -#define OMAP_DMA_MMC_TX 21 -#define OMAP_DMA_MMC_RX 22 -#define OMAP_DMA_NAND 23 -#define OMAP_DMA_IRQ_LCD_LINE 24 -#define OMAP_DMA_MEMORY_STICK 25 -#define OMAP_DMA_USB_W2FC_RX0 26 -#define OMAP_DMA_USB_W2FC_RX1 27 -#define OMAP_DMA_USB_W2FC_RX2 28 -#define OMAP_DMA_USB_W2FC_TX0 29 -#define OMAP_DMA_USB_W2FC_TX1 30 -#define OMAP_DMA_USB_W2FC_TX2 31 - -/* These are only for 1610 */ -#define OMAP_DMA_CRYPTO_DES_IN 32 -#define OMAP_DMA_SPI_TX 33 -#define OMAP_DMA_SPI_RX 34 -#define OMAP_DMA_CRYPTO_HASH 35 -#define OMAP_DMA_CCP_ATTN 36 -#define OMAP_DMA_CCP_FIFO_NOT_EMPTY 37 -#define OMAP_DMA_CMT_APE_TX_CHAN_0 38 -#define OMAP_DMA_CMT_APE_RV_CHAN_0 39 -#define OMAP_DMA_CMT_APE_TX_CHAN_1 40 -#define OMAP_DMA_CMT_APE_RV_CHAN_1 41 -#define OMAP_DMA_CMT_APE_TX_CHAN_2 42 -#define OMAP_DMA_CMT_APE_RV_CHAN_2 43 -#define OMAP_DMA_CMT_APE_TX_CHAN_3 44 -#define OMAP_DMA_CMT_APE_RV_CHAN_3 45 -#define OMAP_DMA_CMT_APE_TX_CHAN_4 46 -#define OMAP_DMA_CMT_APE_RV_CHAN_4 47 -#define OMAP_DMA_CMT_APE_TX_CHAN_5 48 -#define OMAP_DMA_CMT_APE_RV_CHAN_5 49 -#define OMAP_DMA_CMT_APE_TX_CHAN_6 50 -#define OMAP_DMA_CMT_APE_RV_CHAN_6 51 -#define OMAP_DMA_CMT_APE_TX_CHAN_7 52 -#define OMAP_DMA_CMT_APE_RV_CHAN_7 53 -#define OMAP_DMA_MMC2_TX 54 -#define OMAP_DMA_MMC2_RX 55 -#define OMAP_DMA_CRYPTO_DES_OUT 56 - -/* DMA channels for 24xx */ -#define OMAP24XX_DMA_NO_DEVICE 0 -#define OMAP24XX_DMA_XTI_DMA 1 /* S_DMA_0 */ -#define OMAP24XX_DMA_EXT_DMAREQ0 2 /* S_DMA_1 */ -#define OMAP24XX_DMA_EXT_DMAREQ1 3 /* S_DMA_2 */ -#define OMAP24XX_DMA_GPMC 4 /* S_DMA_3 */ -#define OMAP24XX_DMA_GFX 5 /* S_DMA_4 */ -#define OMAP24XX_DMA_DSS 6 /* S_DMA_5 */ -#define OMAP242X_DMA_VLYNQ_TX 7 /* S_DMA_6 */ -#define OMAP24XX_DMA_EXT_DMAREQ2 7 /* S_DMA_6 */ -#define OMAP24XX_DMA_CWT 8 /* S_DMA_7 */ -#define OMAP24XX_DMA_AES_TX 9 /* S_DMA_8 */ -#define OMAP24XX_DMA_AES_RX 10 /* S_DMA_9 */ -#define OMAP24XX_DMA_DES_TX 11 /* S_DMA_10 */ -#define OMAP24XX_DMA_DES_RX 12 /* S_DMA_11 */ -#define OMAP24XX_DMA_SHA1MD5_RX 13 /* S_DMA_12 */ -#define OMAP34XX_DMA_SHA2MD5_RX 13 /* S_DMA_12 */ -#define OMAP242X_DMA_EXT_DMAREQ2 14 /* S_DMA_13 */ -#define OMAP242X_DMA_EXT_DMAREQ3 15 /* S_DMA_14 */ -#define OMAP242X_DMA_EXT_DMAREQ4 16 /* S_DMA_15 */ -#define OMAP242X_DMA_EAC_AC_RD 17 /* S_DMA_16 */ -#define OMAP242X_DMA_EAC_AC_WR 18 /* S_DMA_17 */ -#define OMAP242X_DMA_EAC_MD_UL_RD 19 /* S_DMA_18 */ -#define OMAP242X_DMA_EAC_MD_UL_WR 20 /* S_DMA_19 */ -#define OMAP242X_DMA_EAC_MD_DL_RD 21 /* S_DMA_20 */ -#define OMAP242X_DMA_EAC_MD_DL_WR 22 /* S_DMA_21 */ -#define OMAP242X_DMA_EAC_BT_UL_RD 23 /* S_DMA_22 */ -#define OMAP242X_DMA_EAC_BT_UL_WR 24 /* S_DMA_23 */ -#define OMAP242X_DMA_EAC_BT_DL_RD 25 /* S_DMA_24 */ -#define OMAP242X_DMA_EAC_BT_DL_WR 26 /* S_DMA_25 */ -#define OMAP243X_DMA_EXT_DMAREQ3 14 /* S_DMA_13 */ -#define OMAP24XX_DMA_SPI3_TX0 15 /* S_DMA_14 */ -#define OMAP24XX_DMA_SPI3_RX0 16 /* S_DMA_15 */ -#define OMAP24XX_DMA_MCBSP3_TX 17 /* S_DMA_16 */ -#define OMAP24XX_DMA_MCBSP3_RX 18 /* S_DMA_17 */ -#define OMAP24XX_DMA_MCBSP4_TX 19 /* S_DMA_18 */ -#define OMAP24XX_DMA_MCBSP4_RX 20 /* S_DMA_19 */ -#define OMAP24XX_DMA_MCBSP5_TX 21 /* S_DMA_20 */ -#define OMAP24XX_DMA_MCBSP5_RX 22 /* S_DMA_21 */ -#define OMAP24XX_DMA_SPI3_TX1 23 /* S_DMA_22 */ -#define OMAP24XX_DMA_SPI3_RX1 24 /* S_DMA_23 */ -#define OMAP243X_DMA_EXT_DMAREQ4 25 /* S_DMA_24 */ -#define OMAP243X_DMA_EXT_DMAREQ5 26 /* S_DMA_25 */ -#define OMAP34XX_DMA_I2C3_TX 25 /* S_DMA_24 */ -#define OMAP34XX_DMA_I2C3_RX 26 /* S_DMA_25 */ -#define OMAP24XX_DMA_I2C1_TX 27 /* S_DMA_26 */ -#define OMAP24XX_DMA_I2C1_RX 28 /* S_DMA_27 */ -#define OMAP24XX_DMA_I2C2_TX 29 /* S_DMA_28 */ -#define OMAP24XX_DMA_I2C2_RX 30 /* S_DMA_29 */ -#define OMAP24XX_DMA_MCBSP1_TX 31 /* S_DMA_30 */ -#define OMAP24XX_DMA_MCBSP1_RX 32 /* S_DMA_31 */ -#define OMAP24XX_DMA_MCBSP2_TX 33 /* S_DMA_32 */ -#define OMAP24XX_DMA_MCBSP2_RX 34 /* S_DMA_33 */ -#define OMAP24XX_DMA_SPI1_TX0 35 /* S_DMA_34 */ -#define OMAP24XX_DMA_SPI1_RX0 36 /* S_DMA_35 */ -#define OMAP24XX_DMA_SPI1_TX1 37 /* S_DMA_36 */ -#define OMAP24XX_DMA_SPI1_RX1 38 /* S_DMA_37 */ -#define OMAP24XX_DMA_SPI1_TX2 39 /* S_DMA_38 */ -#define OMAP24XX_DMA_SPI1_RX2 40 /* S_DMA_39 */ -#define OMAP24XX_DMA_SPI1_TX3 41 /* S_DMA_40 */ -#define OMAP24XX_DMA_SPI1_RX3 42 /* S_DMA_41 */ -#define OMAP24XX_DMA_SPI2_TX0 43 /* S_DMA_42 */ -#define OMAP24XX_DMA_SPI2_RX0 44 /* S_DMA_43 */ -#define OMAP24XX_DMA_SPI2_TX1 45 /* S_DMA_44 */ -#define OMAP24XX_DMA_SPI2_RX1 46 /* S_DMA_45 */ -#define OMAP24XX_DMA_MMC2_TX 47 /* S_DMA_46 */ -#define OMAP24XX_DMA_MMC2_RX 48 /* S_DMA_47 */ -#define OMAP24XX_DMA_UART1_TX 49 /* S_DMA_48 */ -#define OMAP24XX_DMA_UART1_RX 50 /* S_DMA_49 */ -#define OMAP24XX_DMA_UART2_TX 51 /* S_DMA_50 */ -#define OMAP24XX_DMA_UART2_RX 52 /* S_DMA_51 */ -#define OMAP24XX_DMA_UART3_TX 53 /* S_DMA_52 */ -#define OMAP24XX_DMA_UART3_RX 54 /* S_DMA_53 */ -#define OMAP24XX_DMA_USB_W2FC_TX0 55 /* S_DMA_54 */ -#define OMAP24XX_DMA_USB_W2FC_RX0 56 /* S_DMA_55 */ -#define OMAP24XX_DMA_USB_W2FC_TX1 57 /* S_DMA_56 */ -#define OMAP24XX_DMA_USB_W2FC_RX1 58 /* S_DMA_57 */ -#define OMAP24XX_DMA_USB_W2FC_TX2 59 /* S_DMA_58 */ -#define OMAP24XX_DMA_USB_W2FC_RX2 60 /* S_DMA_59 */ -#define OMAP24XX_DMA_MMC1_TX 61 /* S_DMA_60 */ -#define OMAP24XX_DMA_MMC1_RX 62 /* S_DMA_61 */ -#define OMAP24XX_DMA_MS 63 /* S_DMA_62 */ -#define OMAP242X_DMA_EXT_DMAREQ5 64 /* S_DMA_63 */ -#define OMAP243X_DMA_EXT_DMAREQ6 64 /* S_DMA_63 */ -#define OMAP34XX_DMA_EXT_DMAREQ3 64 /* S_DMA_63 */ -#define OMAP34XX_DMA_AES2_TX 65 /* S_DMA_64 */ -#define OMAP34XX_DMA_AES2_RX 66 /* S_DMA_65 */ -#define OMAP34XX_DMA_DES2_TX 67 /* S_DMA_66 */ -#define OMAP34XX_DMA_DES2_RX 68 /* S_DMA_67 */ -#define OMAP34XX_DMA_SHA1MD5_RX 69 /* S_DMA_68 */ -#define OMAP34XX_DMA_SPI4_TX0 70 /* S_DMA_69 */ -#define OMAP34XX_DMA_SPI4_RX0 71 /* S_DMA_70 */ -#define OMAP34XX_DSS_DMA0 72 /* S_DMA_71 */ -#define OMAP34XX_DSS_DMA1 73 /* S_DMA_72 */ -#define OMAP34XX_DSS_DMA2 74 /* S_DMA_73 */ -#define OMAP34XX_DSS_DMA3 75 /* S_DMA_74 */ -#define OMAP34XX_DMA_MMC3_TX 77 /* S_DMA_76 */ -#define OMAP34XX_DMA_MMC3_RX 78 /* S_DMA_77 */ -#define OMAP34XX_DMA_USIM_TX 79 /* S_DMA_78 */ -#define OMAP34XX_DMA_USIM_RX 80 /* S_DMA_79 */ - -#define OMAP36XX_DMA_UART4_TX 81 /* S_DMA_80 */ -#define OMAP36XX_DMA_UART4_RX 82 /* S_DMA_81 */ -/*----------------------------------------------------------------------------*/ - -#define OMAP1_DMA_TOUT_IRQ (1 << 0) -#define OMAP_DMA_DROP_IRQ (1 << 1) -#define OMAP_DMA_HALF_IRQ (1 << 2) -#define OMAP_DMA_FRAME_IRQ (1 << 3) -#define OMAP_DMA_LAST_IRQ (1 << 4) -#define OMAP_DMA_BLOCK_IRQ (1 << 5) -#define OMAP1_DMA_SYNC_IRQ (1 << 6) -#define OMAP2_DMA_PKT_IRQ (1 << 7) -#define OMAP2_DMA_TRANS_ERR_IRQ (1 << 8) -#define OMAP2_DMA_SECURE_ERR_IRQ (1 << 9) -#define OMAP2_DMA_SUPERVISOR_ERR_IRQ (1 << 10) -#define OMAP2_DMA_MISALIGNED_ERR_IRQ (1 << 11) - -#define OMAP_DMA_CCR_EN (1 << 7) -#define OMAP_DMA_CCR_RD_ACTIVE (1 << 9) -#define OMAP_DMA_CCR_WR_ACTIVE (1 << 10) -#define OMAP_DMA_CCR_SEL_SRC_DST_SYNC (1 << 24) -#define OMAP_DMA_CCR_BUFFERING_DISABLE (1 << 25) - -#define OMAP_DMA_DATA_TYPE_S8 0x00 -#define OMAP_DMA_DATA_TYPE_S16 0x01 -#define OMAP_DMA_DATA_TYPE_S32 0x02 - -#define OMAP_DMA_SYNC_ELEMENT 0x00 -#define OMAP_DMA_SYNC_FRAME 0x01 -#define OMAP_DMA_SYNC_BLOCK 0x02 -#define OMAP_DMA_SYNC_PACKET 0x03 - -#define OMAP_DMA_DST_SYNC_PREFETCH 0x02 -#define OMAP_DMA_SRC_SYNC 0x01 -#define OMAP_DMA_DST_SYNC 0x00 - -#define OMAP_DMA_PORT_EMIFF 0x00 -#define OMAP_DMA_PORT_EMIFS 0x01 -#define OMAP_DMA_PORT_OCP_T1 0x02 -#define OMAP_DMA_PORT_TIPB 0x03 -#define OMAP_DMA_PORT_OCP_T2 0x04 -#define OMAP_DMA_PORT_MPUI 0x05 - -#define OMAP_DMA_AMODE_CONSTANT 0x00 -#define OMAP_DMA_AMODE_POST_INC 0x01 -#define OMAP_DMA_AMODE_SINGLE_IDX 0x02 -#define OMAP_DMA_AMODE_DOUBLE_IDX 0x03 - -#define DMA_DEFAULT_FIFO_DEPTH 0x10 -#define DMA_DEFAULT_ARB_RATE 0x01 -/* Pass THREAD_RESERVE ORed with THREAD_FIFO for tparams */ -#define DMA_THREAD_RESERVE_NORM (0x00 << 12) /* Def */ -#define DMA_THREAD_RESERVE_ONET (0x01 << 12) -#define DMA_THREAD_RESERVE_TWOT (0x02 << 12) -#define DMA_THREAD_RESERVE_THREET (0x03 << 12) -#define DMA_THREAD_FIFO_NONE (0x00 << 14) /* Def */ -#define DMA_THREAD_FIFO_75 (0x01 << 14) -#define DMA_THREAD_FIFO_25 (0x02 << 14) -#define DMA_THREAD_FIFO_50 (0x03 << 14) - -/* DMA4_OCP_SYSCONFIG bits */ -#define DMA_SYSCONFIG_MIDLEMODE_MASK (3 << 12) -#define DMA_SYSCONFIG_CLOCKACTIVITY_MASK (3 << 8) -#define DMA_SYSCONFIG_EMUFREE (1 << 5) -#define DMA_SYSCONFIG_SIDLEMODE_MASK (3 << 3) -#define DMA_SYSCONFIG_SOFTRESET (1 << 2) -#define DMA_SYSCONFIG_AUTOIDLE (1 << 0) - -#define DMA_SYSCONFIG_MIDLEMODE(n) ((n) << 12) -#define DMA_SYSCONFIG_SIDLEMODE(n) ((n) << 3) - -#define DMA_IDLEMODE_SMARTIDLE 0x2 -#define DMA_IDLEMODE_NO_IDLE 0x1 -#define DMA_IDLEMODE_FORCE_IDLE 0x0 - -/* Chaining modes*/ -#ifndef CONFIG_ARCH_OMAP1 -#define OMAP_DMA_STATIC_CHAIN 0x1 -#define OMAP_DMA_DYNAMIC_CHAIN 0x2 -#define OMAP_DMA_CHAIN_ACTIVE 0x1 -#define OMAP_DMA_CHAIN_INACTIVE 0x0 -#endif - -#define DMA_CH_PRIO_HIGH 0x1 -#define DMA_CH_PRIO_LOW 0x0 /* Def */ - -/* Errata handling */ -#define IS_DMA_ERRATA(id) (errata & (id)) -#define SET_DMA_ERRATA(id) (errata |= (id)) - -#define DMA_ERRATA_IFRAME_BUFFERING BIT(0x0) -#define DMA_ERRATA_PARALLEL_CHANNELS BIT(0x1) -#define DMA_ERRATA_i378 BIT(0x2) -#define DMA_ERRATA_i541 BIT(0x3) -#define DMA_ERRATA_i88 BIT(0x4) -#define DMA_ERRATA_3_3 BIT(0x5) -#define DMA_ROMCODE_BUG BIT(0x6) - -/* Attributes for OMAP DMA Contrller */ -#define DMA_LINKED_LCH BIT(0x0) -#define GLOBAL_PRIORITY BIT(0x1) -#define RESERVE_CHANNEL BIT(0x2) -#define IS_CSSA_32 BIT(0x3) -#define IS_CDSA_32 BIT(0x4) -#define IS_RW_PRIORITY BIT(0x5) -#define ENABLE_1510_MODE BIT(0x6) -#define SRC_PORT BIT(0x7) -#define DST_PORT BIT(0x8) -#define SRC_INDEX BIT(0x9) -#define DST_INDEX BIT(0xA) -#define IS_BURST_ONLY4 BIT(0xB) -#define CLEAR_CSR_ON_READ BIT(0xC) -#define IS_WORD_16 BIT(0xD) - -enum omap_reg_offsets { - -GCR, GSCR, GRST1, HW_ID, -PCH2_ID, PCH0_ID, PCH1_ID, PCHG_ID, -PCHD_ID, CAPS_0, CAPS_1, CAPS_2, -CAPS_3, CAPS_4, PCH2_SR, PCH0_SR, -PCH1_SR, PCHD_SR, REVISION, IRQSTATUS_L0, -IRQSTATUS_L1, IRQSTATUS_L2, IRQSTATUS_L3, IRQENABLE_L0, -IRQENABLE_L1, IRQENABLE_L2, IRQENABLE_L3, SYSSTATUS, -OCP_SYSCONFIG, - -/* omap1+ specific */ -CPC, CCR2, LCH_CTRL, - -/* Common registers for all omap's */ -CSDP, CCR, CICR, CSR, -CEN, CFN, CSFI, CSEI, -CSAC, CDAC, CDEI, -CDFI, CLNK_CTRL, - -/* Channel specific registers */ -CSSA, CDSA, COLOR, -CCEN, CCFN, - -/* omap3630 and omap4 specific */ -CDP, CNDP, CCDN, - -}; - -enum omap_dma_burst_mode { - OMAP_DMA_DATA_BURST_DIS = 0, - OMAP_DMA_DATA_BURST_4, - OMAP_DMA_DATA_BURST_8, - OMAP_DMA_DATA_BURST_16, -}; - -enum end_type { - OMAP_DMA_LITTLE_ENDIAN = 0, - OMAP_DMA_BIG_ENDIAN -}; - -enum omap_dma_color_mode { - OMAP_DMA_COLOR_DIS = 0, - OMAP_DMA_CONSTANT_FILL, - OMAP_DMA_TRANSPARENT_COPY -}; - -enum omap_dma_write_mode { - OMAP_DMA_WRITE_NON_POSTED = 0, - OMAP_DMA_WRITE_POSTED, - OMAP_DMA_WRITE_LAST_NON_POSTED -}; - -enum omap_dma_channel_mode { - OMAP_DMA_LCH_2D = 0, - OMAP_DMA_LCH_G, - OMAP_DMA_LCH_P, - OMAP_DMA_LCH_PD -}; - -struct omap_dma_channel_params { - int data_type; /* data type 8,16,32 */ - int elem_count; /* number of elements in a frame */ - int frame_count; /* number of frames in a element */ - - int src_port; /* Only on OMAP1 REVISIT: Is this needed? */ - int src_amode; /* constant, post increment, indexed, - double indexed */ - unsigned long src_start; /* source address : physical */ - int src_ei; /* source element index */ - int src_fi; /* source frame index */ - - int dst_port; /* Only on OMAP1 REVISIT: Is this needed? */ - int dst_amode; /* constant, post increment, indexed, - double indexed */ - unsigned long dst_start; /* source address : physical */ - int dst_ei; /* source element index */ - int dst_fi; /* source frame index */ - - int trigger; /* trigger attached if the channel is - synchronized */ - int sync_mode; /* sycn on element, frame , block or packet */ - int src_or_dst_synch; /* source synch(1) or destination synch(0) */ - - int ie; /* interrupt enabled */ - - unsigned char read_prio;/* read priority */ - unsigned char write_prio;/* write priority */ - -#ifndef CONFIG_ARCH_OMAP1 - enum omap_dma_burst_mode burst_mode; /* Burst mode 4/8/16 words */ -#endif -}; - -struct omap_dma_lch { - int next_lch; - int dev_id; - u16 saved_csr; - u16 enabled_irqs; - const char *dev_name; - void (*callback)(int lch, u16 ch_status, void *data); - void *data; - long flags; - /* required for Dynamic chaining */ - int prev_linked_ch; - int next_linked_ch; - int state; - int chain_id; - int status; -}; - -struct omap_dma_dev_attr { - u32 dev_caps; - u16 lch_count; - u16 chan_count; - struct omap_dma_lch *chan; -}; - -/* System DMA platform data structure */ -struct omap_system_dma_plat_info { - struct omap_dma_dev_attr *dma_attr; - u32 errata; - void (*disable_irq_lch)(int lch); - void (*show_dma_caps)(void); - void (*clear_lch_regs)(int lch); - void (*clear_dma)(int lch); - void (*dma_write)(u32 val, int reg, int lch); - u32 (*dma_read)(int reg, int lch); -}; - -extern void omap_set_dma_priority(int lch, int dst_port, int priority); -extern int omap_request_dma(int dev_id, const char *dev_name, - void (*callback)(int lch, u16 ch_status, void *data), - void *data, int *dma_ch); -extern void omap_enable_dma_irq(int ch, u16 irq_bits); -extern void omap_disable_dma_irq(int ch, u16 irq_bits); -extern void omap_free_dma(int ch); -extern void omap_start_dma(int lch); -extern void omap_stop_dma(int lch); -extern void omap_set_dma_transfer_params(int lch, int data_type, - int elem_count, int frame_count, - int sync_mode, - int dma_trigger, int src_or_dst_synch); -extern void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode, - u32 color); -extern void omap_set_dma_write_mode(int lch, enum omap_dma_write_mode mode); -extern void omap_set_dma_channel_mode(int lch, enum omap_dma_channel_mode mode); - -extern void omap_set_dma_src_params(int lch, int src_port, int src_amode, - unsigned long src_start, - int src_ei, int src_fi); -extern void omap_set_dma_src_index(int lch, int eidx, int fidx); -extern void omap_set_dma_src_data_pack(int lch, int enable); -extern void omap_set_dma_src_burst_mode(int lch, - enum omap_dma_burst_mode burst_mode); - -extern void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode, - unsigned long dest_start, - int dst_ei, int dst_fi); -extern void omap_set_dma_dest_index(int lch, int eidx, int fidx); -extern void omap_set_dma_dest_data_pack(int lch, int enable); -extern void omap_set_dma_dest_burst_mode(int lch, - enum omap_dma_burst_mode burst_mode); - -extern void omap_set_dma_params(int lch, - struct omap_dma_channel_params *params); - -extern void omap_dma_link_lch(int lch_head, int lch_queue); -extern void omap_dma_unlink_lch(int lch_head, int lch_queue); - -extern int omap_set_dma_callback(int lch, - void (*callback)(int lch, u16 ch_status, void *data), - void *data); -extern dma_addr_t omap_get_dma_src_pos(int lch); -extern dma_addr_t omap_get_dma_dst_pos(int lch); -extern void omap_clear_dma(int lch); -extern int omap_get_dma_active_status(int lch); -extern int omap_dma_running(void); -extern void omap_dma_set_global_params(int arb_rate, int max_fifo_depth, - int tparams); -extern int omap_dma_set_prio_lch(int lch, unsigned char read_prio, - unsigned char write_prio); -extern void omap_set_dma_dst_endian_type(int lch, enum end_type etype); -extern void omap_set_dma_src_endian_type(int lch, enum end_type etype); -extern int omap_get_dma_index(int lch, int *ei, int *fi); - -void omap_dma_global_context_save(void); -void omap_dma_global_context_restore(void); - -extern void omap_dma_disable_irq(int lch); - -/* Chaining APIs */ -#ifndef CONFIG_ARCH_OMAP1 -extern int omap_request_dma_chain(int dev_id, const char *dev_name, - void (*callback) (int lch, u16 ch_status, - void *data), - int *chain_id, int no_of_chans, - int chain_mode, - struct omap_dma_channel_params params); -extern int omap_free_dma_chain(int chain_id); -extern int omap_dma_chain_a_transfer(int chain_id, int src_start, - int dest_start, int elem_count, - int frame_count, void *callbk_data); -extern int omap_start_dma_chain_transfers(int chain_id); -extern int omap_stop_dma_chain_transfers(int chain_id); -extern int omap_get_dma_chain_index(int chain_id, int *ei, int *fi); -extern int omap_get_dma_chain_dst_pos(int chain_id); -extern int omap_get_dma_chain_src_pos(int chain_id); - -extern int omap_modify_dma_chain_params(int chain_id, - struct omap_dma_channel_params params); -extern int omap_dma_chain_status(int chain_id); -#endif - -#if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_FB_OMAP) -#include <mach/lcd_dma.h> -#else -static inline int omap_lcd_dma_running(void) -{ - return 0; -} -#endif - -#endif /* __ASM_ARCH_DMA_H */ diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h index dfa3aff9761..dd79f3005cd 100644 --- a/arch/arm/plat-omap/include/plat/dmtimer.h +++ b/arch/arm/plat-omap/include/plat/dmtimer.h @@ -1,8 +1,14 @@ /* - * arch/arm/plat-omap/include/mach/dmtimer.h + * arch/arm/plat-omap/include/plat/dmtimer.h * * OMAP Dual-Mode Timers * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * Tarun Kanti DebBarma <tarun.kanti@ti.com> + * Thara Gopinath <thara@ti.com> + * + * Platform device conversion and hwmod support. + * * Copyright (C) 2005 Nokia Corporation * Author: Lauri Leukkunen <lauri.leukkunen@nokia.com> * PWM and clock framwork support by Timo Teras. @@ -26,6 +32,10 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/platform_device.h> + #ifndef __ASM_ARCH_DMTIMER_H #define __ASM_ARCH_DMTIMER_H @@ -44,16 +54,82 @@ #define OMAP_TIMER_TRIGGER_OVERFLOW 0x01 #define OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE 0x02 -struct omap_dm_timer; -extern struct omap_dm_timer *gptimer_wakeup; -extern struct sys_timer omap_timer; -struct clk; +/* posted mode types */ +#define OMAP_TIMER_NONPOSTED 0x00 +#define OMAP_TIMER_POSTED 0x01 + +/* timer capabilities used in hwmod database */ +#define OMAP_TIMER_SECURE 0x80000000 +#define OMAP_TIMER_ALWON 0x40000000 +#define OMAP_TIMER_HAS_PWM 0x20000000 +#define OMAP_TIMER_NEEDS_RESET 0x10000000 +#define OMAP_TIMER_HAS_DSP_IRQ 0x08000000 + +/* + * timer errata flags + * + * Errata i103/i767 impacts all OMAP3/4/5 devices including AM33xx. This + * errata prevents us from using posted mode on these devices, unless the + * timer counter register is never read. For more details please refer to + * the OMAP3/4/5 errata documents. + */ +#define OMAP_TIMER_ERRATA_I103_I767 0x80000000 + +struct omap_timer_capability_dev_attr { + u32 timer_capability; +}; + +struct timer_regs { + u32 tidr; + u32 tier; + u32 twer; + u32 tclr; + u32 tcrr; + u32 tldr; + u32 ttrg; + u32 twps; + u32 tmar; + u32 tcar1; + u32 tsicr; + u32 tcar2; + u32 tpir; + u32 tnir; + u32 tcvr; + u32 tocr; + u32 towr; +}; + +struct omap_dm_timer { + int id; + int irq; + struct clk *fclk; + + void __iomem *io_base; + void __iomem *irq_stat; /* TISR/IRQSTATUS interrupt status */ + void __iomem *irq_ena; /* irq enable */ + void __iomem *irq_dis; /* irq disable, only on v2 ip */ + void __iomem *pend; /* write pending */ + void __iomem *func_base; /* function register base */ -int omap_dm_timer_init(void); + unsigned long rate; + unsigned reserved:1; + unsigned posted:1; + struct timer_regs context; + int (*get_context_loss_count)(struct device *); + int ctx_loss_count; + int revision; + u32 capability; + u32 errata; + struct platform_device *pdev; + struct list_head node; +}; +int omap_dm_timer_reserve_systimer(int id); struct omap_dm_timer *omap_dm_timer_request(void); struct omap_dm_timer *omap_dm_timer_request_specific(int timer_id); -void omap_dm_timer_free(struct omap_dm_timer *timer); +struct omap_dm_timer *omap_dm_timer_request_by_cap(u32 cap); +struct omap_dm_timer *omap_dm_timer_request_by_node(struct device_node *np); +int omap_dm_timer_free(struct omap_dm_timer *timer); void omap_dm_timer_enable(struct omap_dm_timer *timer); void omap_dm_timer_disable(struct omap_dm_timer *timer); @@ -62,25 +138,281 @@ int omap_dm_timer_get_irq(struct omap_dm_timer *timer); u32 omap_dm_timer_modify_idlect_mask(u32 inputmask); struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer); -void omap_dm_timer_trigger(struct omap_dm_timer *timer); -void omap_dm_timer_start(struct omap_dm_timer *timer); -void omap_dm_timer_stop(struct omap_dm_timer *timer); +int omap_dm_timer_trigger(struct omap_dm_timer *timer); +int omap_dm_timer_start(struct omap_dm_timer *timer); +int omap_dm_timer_stop(struct omap_dm_timer *timer); int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source); -void omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, unsigned int value); -void omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload, unsigned int value); -void omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, unsigned int match); -void omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, int toggle, int trigger); -void omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler); +int omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, unsigned int value); +int omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload, unsigned int value); +int omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, unsigned int match); +int omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, int toggle, int trigger); +int omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler); -void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value); +int omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value); +int omap_dm_timer_set_int_disable(struct omap_dm_timer *timer, u32 mask); unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer); -void omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value); +int omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value); unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer); -void omap_dm_timer_write_counter(struct omap_dm_timer *timer, unsigned int value); +int omap_dm_timer_write_counter(struct omap_dm_timer *timer, unsigned int value); int omap_dm_timers_active(void); +/* + * Do not use the defines below, they are not needed. They should be only + * used by dmtimer.c and sys_timer related code. + */ + +/* + * The interrupt registers are different between v1 and v2 ip. + * These registers are offsets from timer->iobase. + */ +#define OMAP_TIMER_ID_OFFSET 0x00 +#define OMAP_TIMER_OCP_CFG_OFFSET 0x10 + +#define OMAP_TIMER_V1_SYS_STAT_OFFSET 0x14 +#define OMAP_TIMER_V1_STAT_OFFSET 0x18 +#define OMAP_TIMER_V1_INT_EN_OFFSET 0x1c + +#define OMAP_TIMER_V2_IRQSTATUS_RAW 0x24 +#define OMAP_TIMER_V2_IRQSTATUS 0x28 +#define OMAP_TIMER_V2_IRQENABLE_SET 0x2c +#define OMAP_TIMER_V2_IRQENABLE_CLR 0x30 + +/* + * The functional registers have a different base on v1 and v2 ip. + * These registers are offsets from timer->func_base. The func_base + * is samae as io_base for v1 and io_base + 0x14 for v2 ip. + * + */ +#define OMAP_TIMER_V2_FUNC_OFFSET 0x14 + +#define _OMAP_TIMER_WAKEUP_EN_OFFSET 0x20 +#define _OMAP_TIMER_CTRL_OFFSET 0x24 +#define OMAP_TIMER_CTRL_GPOCFG (1 << 14) +#define OMAP_TIMER_CTRL_CAPTMODE (1 << 13) +#define OMAP_TIMER_CTRL_PT (1 << 12) +#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH (0x1 << 8) +#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW (0x2 << 8) +#define OMAP_TIMER_CTRL_TCM_BOTHEDGES (0x3 << 8) +#define OMAP_TIMER_CTRL_SCPWM (1 << 7) +#define OMAP_TIMER_CTRL_CE (1 << 6) /* compare enable */ +#define OMAP_TIMER_CTRL_PRE (1 << 5) /* prescaler enable */ +#define OMAP_TIMER_CTRL_PTV_SHIFT 2 /* prescaler value shift */ +#define OMAP_TIMER_CTRL_POSTED (1 << 2) +#define OMAP_TIMER_CTRL_AR (1 << 1) /* auto-reload enable */ +#define OMAP_TIMER_CTRL_ST (1 << 0) /* start timer */ +#define _OMAP_TIMER_COUNTER_OFFSET 0x28 +#define _OMAP_TIMER_LOAD_OFFSET 0x2c +#define _OMAP_TIMER_TRIGGER_OFFSET 0x30 +#define _OMAP_TIMER_WRITE_PEND_OFFSET 0x34 +#define WP_NONE 0 /* no write pending bit */ +#define WP_TCLR (1 << 0) +#define WP_TCRR (1 << 1) +#define WP_TLDR (1 << 2) +#define WP_TTGR (1 << 3) +#define WP_TMAR (1 << 4) +#define WP_TPIR (1 << 5) +#define WP_TNIR (1 << 6) +#define WP_TCVR (1 << 7) +#define WP_TOCR (1 << 8) +#define WP_TOWR (1 << 9) +#define _OMAP_TIMER_MATCH_OFFSET 0x38 +#define _OMAP_TIMER_CAPTURE_OFFSET 0x3c +#define _OMAP_TIMER_IF_CTRL_OFFSET 0x40 +#define _OMAP_TIMER_CAPTURE2_OFFSET 0x44 /* TCAR2, 34xx only */ +#define _OMAP_TIMER_TICK_POS_OFFSET 0x48 /* TPIR, 34xx only */ +#define _OMAP_TIMER_TICK_NEG_OFFSET 0x4c /* TNIR, 34xx only */ +#define _OMAP_TIMER_TICK_COUNT_OFFSET 0x50 /* TCVR, 34xx only */ +#define _OMAP_TIMER_TICK_INT_MASK_SET_OFFSET 0x54 /* TOCR, 34xx only */ +#define _OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET 0x58 /* TOWR, 34xx only */ + +/* register offsets with the write pending bit encoded */ +#define WPSHIFT 16 + +#define OMAP_TIMER_WAKEUP_EN_REG (_OMAP_TIMER_WAKEUP_EN_OFFSET \ + | (WP_NONE << WPSHIFT)) + +#define OMAP_TIMER_CTRL_REG (_OMAP_TIMER_CTRL_OFFSET \ + | (WP_TCLR << WPSHIFT)) + +#define OMAP_TIMER_COUNTER_REG (_OMAP_TIMER_COUNTER_OFFSET \ + | (WP_TCRR << WPSHIFT)) + +#define OMAP_TIMER_LOAD_REG (_OMAP_TIMER_LOAD_OFFSET \ + | (WP_TLDR << WPSHIFT)) + +#define OMAP_TIMER_TRIGGER_REG (_OMAP_TIMER_TRIGGER_OFFSET \ + | (WP_TTGR << WPSHIFT)) + +#define OMAP_TIMER_WRITE_PEND_REG (_OMAP_TIMER_WRITE_PEND_OFFSET \ + | (WP_NONE << WPSHIFT)) + +#define OMAP_TIMER_MATCH_REG (_OMAP_TIMER_MATCH_OFFSET \ + | (WP_TMAR << WPSHIFT)) + +#define OMAP_TIMER_CAPTURE_REG (_OMAP_TIMER_CAPTURE_OFFSET \ + | (WP_NONE << WPSHIFT)) + +#define OMAP_TIMER_IF_CTRL_REG (_OMAP_TIMER_IF_CTRL_OFFSET \ + | (WP_NONE << WPSHIFT)) + +#define OMAP_TIMER_CAPTURE2_REG (_OMAP_TIMER_CAPTURE2_OFFSET \ + | (WP_NONE << WPSHIFT)) + +#define OMAP_TIMER_TICK_POS_REG (_OMAP_TIMER_TICK_POS_OFFSET \ + | (WP_TPIR << WPSHIFT)) + +#define OMAP_TIMER_TICK_NEG_REG (_OMAP_TIMER_TICK_NEG_OFFSET \ + | (WP_TNIR << WPSHIFT)) + +#define OMAP_TIMER_TICK_COUNT_REG (_OMAP_TIMER_TICK_COUNT_OFFSET \ + | (WP_TCVR << WPSHIFT)) + +#define OMAP_TIMER_TICK_INT_MASK_SET_REG \ + (_OMAP_TIMER_TICK_INT_MASK_SET_OFFSET | (WP_TOCR << WPSHIFT)) + +#define OMAP_TIMER_TICK_INT_MASK_COUNT_REG \ + (_OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET | (WP_TOWR << WPSHIFT)) + +static inline u32 __omap_dm_timer_read(struct omap_dm_timer *timer, u32 reg, + int posted) +{ + if (posted) + while (readl_relaxed(timer->pend) & (reg >> WPSHIFT)) + cpu_relax(); + + return readl_relaxed(timer->func_base + (reg & 0xff)); +} + +static inline void __omap_dm_timer_write(struct omap_dm_timer *timer, + u32 reg, u32 val, int posted) +{ + if (posted) + while (readl_relaxed(timer->pend) & (reg >> WPSHIFT)) + cpu_relax(); + + writel_relaxed(val, timer->func_base + (reg & 0xff)); +} + +static inline void __omap_dm_timer_init_regs(struct omap_dm_timer *timer) +{ + u32 tidr; + + /* Assume v1 ip if bits [31:16] are zero */ + tidr = readl_relaxed(timer->io_base); + if (!(tidr >> 16)) { + timer->revision = 1; + timer->irq_stat = timer->io_base + OMAP_TIMER_V1_STAT_OFFSET; + timer->irq_ena = timer->io_base + OMAP_TIMER_V1_INT_EN_OFFSET; + timer->irq_dis = timer->io_base + OMAP_TIMER_V1_INT_EN_OFFSET; + timer->pend = timer->io_base + _OMAP_TIMER_WRITE_PEND_OFFSET; + timer->func_base = timer->io_base; + } else { + timer->revision = 2; + timer->irq_stat = timer->io_base + OMAP_TIMER_V2_IRQSTATUS; + timer->irq_ena = timer->io_base + OMAP_TIMER_V2_IRQENABLE_SET; + timer->irq_dis = timer->io_base + OMAP_TIMER_V2_IRQENABLE_CLR; + timer->pend = timer->io_base + + _OMAP_TIMER_WRITE_PEND_OFFSET + + OMAP_TIMER_V2_FUNC_OFFSET; + timer->func_base = timer->io_base + OMAP_TIMER_V2_FUNC_OFFSET; + } +} + +/* + * __omap_dm_timer_enable_posted - enables write posted mode + * @timer: pointer to timer instance handle + * + * Enables the write posted mode for the timer. When posted mode is enabled + * writes to certain timer registers are immediately acknowledged by the + * internal bus and hence prevents stalling the CPU waiting for the write to + * complete. Enabling this feature can improve performance for writing to the + * timer registers. + */ +static inline void __omap_dm_timer_enable_posted(struct omap_dm_timer *timer) +{ + if (timer->posted) + return; + + if (timer->errata & OMAP_TIMER_ERRATA_I103_I767) { + timer->posted = OMAP_TIMER_NONPOSTED; + __omap_dm_timer_write(timer, OMAP_TIMER_IF_CTRL_REG, 0, 0); + return; + } + + __omap_dm_timer_write(timer, OMAP_TIMER_IF_CTRL_REG, + OMAP_TIMER_CTRL_POSTED, 0); + timer->context.tsicr = OMAP_TIMER_CTRL_POSTED; + timer->posted = OMAP_TIMER_POSTED; +} + +/** + * __omap_dm_timer_override_errata - override errata flags for a timer + * @timer: pointer to timer handle + * @errata: errata flags to be ignored + * + * For a given timer, override a timer errata by clearing the flags + * specified by the errata argument. A specific erratum should only be + * overridden for a timer if the timer is used in such a way the erratum + * has no impact. + */ +static inline void __omap_dm_timer_override_errata(struct omap_dm_timer *timer, + u32 errata) +{ + timer->errata &= ~errata; +} + +static inline void __omap_dm_timer_stop(struct omap_dm_timer *timer, + int posted, unsigned long rate) +{ + u32 l; + + l = __omap_dm_timer_read(timer, OMAP_TIMER_CTRL_REG, posted); + if (l & OMAP_TIMER_CTRL_ST) { + l &= ~0x1; + __omap_dm_timer_write(timer, OMAP_TIMER_CTRL_REG, l, posted); +#ifdef CONFIG_ARCH_OMAP2PLUS + /* Readback to make sure write has completed */ + __omap_dm_timer_read(timer, OMAP_TIMER_CTRL_REG, posted); + /* + * Wait for functional clock period x 3.5 to make sure that + * timer is stopped + */ + udelay(3500000 / rate + 1); +#endif + } + + /* Ack possibly pending interrupt */ + writel_relaxed(OMAP_TIMER_INT_OVERFLOW, timer->irq_stat); +} + +static inline void __omap_dm_timer_load_start(struct omap_dm_timer *timer, + u32 ctrl, unsigned int load, + int posted) +{ + __omap_dm_timer_write(timer, OMAP_TIMER_COUNTER_REG, load, posted); + __omap_dm_timer_write(timer, OMAP_TIMER_CTRL_REG, ctrl, posted); +} + +static inline void __omap_dm_timer_int_enable(struct omap_dm_timer *timer, + unsigned int value) +{ + writel_relaxed(value, timer->irq_ena); + __omap_dm_timer_write(timer, OMAP_TIMER_WAKEUP_EN_REG, value, 0); +} + +static inline unsigned int +__omap_dm_timer_read_counter(struct omap_dm_timer *timer, int posted) +{ + return __omap_dm_timer_read(timer, OMAP_TIMER_COUNTER_REG, posted); +} + +static inline void __omap_dm_timer_write_status(struct omap_dm_timer *timer, + unsigned int value) +{ + writel_relaxed(value, timer->irq_stat); +} #endif /* __ASM_ARCH_DMTIMER_H */ diff --git a/arch/arm/plat-omap/include/plat/dsp.h b/arch/arm/plat-omap/include/plat/dsp.h deleted file mode 100644 index 9c604b390f9..00000000000 --- a/arch/arm/plat-omap/include/plat/dsp.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef __OMAP_DSP_H__ -#define __OMAP_DSP_H__ - -#include <linux/types.h> - -struct omap_dsp_platform_data { - void (*dsp_set_min_opp) (u8 opp_id); - u8 (*dsp_get_opp) (void); - void (*cpu_set_freq) (unsigned long f); - unsigned long (*cpu_get_freq) (void); - unsigned long mpu_speed[6]; - - /* functions to write and read PRCM registers */ - void (*dsp_prm_write)(u32, s16 , u16); - u32 (*dsp_prm_read)(s16 , u16); - u32 (*dsp_prm_rmw_bits)(u32, u32, s16, s16); - void (*dsp_cm_write)(u32, s16 , u16); - u32 (*dsp_cm_read)(s16 , u16); - u32 (*dsp_cm_rmw_bits)(u32, u32, s16, s16); - - phys_addr_t phys_mempool_base; - phys_addr_t phys_mempool_size; -}; - -#if defined(CONFIG_TIDSPBRIDGE) || defined(CONFIG_TIDSPBRIDGE_MODULE) -extern void omap_dsp_reserve_sdram_memblock(void); -#else -static inline void omap_dsp_reserve_sdram_memblock(void) { } -#endif - -#endif diff --git a/arch/arm/plat-omap/include/plat/flash.h b/arch/arm/plat-omap/include/plat/flash.h deleted file mode 100644 index 3e6327016b4..00000000000 --- a/arch/arm/plat-omap/include/plat/flash.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * Flash support for OMAP1 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __OMAP_FLASH_H -#define __OMAP_FLASH_H - -#include <linux/mtd/map.h> - -extern void omap1_set_vpp(struct map_info *map, int enable); - -#endif diff --git a/arch/arm/plat-omap/include/plat/fpga.h b/arch/arm/plat-omap/include/plat/fpga.h deleted file mode 100644 index ae39bcb3f5b..00000000000 --- a/arch/arm/plat-omap/include/plat/fpga.h +++ /dev/null @@ -1,193 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/fpga.h - * - * Interrupt handler for OMAP-1510 FPGA - * - * Copyright (C) 2001 RidgeRun, Inc. - * Author: Greg Lonnon <glonnon@ridgerun.com> - * - * Copyright (C) 2002 MontaVista Software, Inc. - * - * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6 - * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ASM_ARCH_OMAP_FPGA_H -#define __ASM_ARCH_OMAP_FPGA_H - -extern void omap1510_fpga_init_irq(void); - -#define fpga_read(reg) __raw_readb(reg) -#define fpga_write(val, reg) __raw_writeb(val, reg) - -/* - * --------------------------------------------------------------------------- - * H2/P2 Debug board FPGA - * --------------------------------------------------------------------------- - */ -/* maps in the FPGA registers and the ETHR registers */ -#define H2P2_DBG_FPGA_BASE IOMEM(0xE8000000) /* VA */ -#define H2P2_DBG_FPGA_SIZE SZ_4K /* SIZE */ -#define H2P2_DBG_FPGA_START 0x04000000 /* PA */ - -#define H2P2_DBG_FPGA_ETHR_START (H2P2_DBG_FPGA_START + 0x300) -#define H2P2_DBG_FPGA_FPGA_REV (H2P2_DBG_FPGA_BASE + 0x10) /* FPGA Revision */ -#define H2P2_DBG_FPGA_BOARD_REV (H2P2_DBG_FPGA_BASE + 0x12) /* Board Revision */ -#define H2P2_DBG_FPGA_GPIO (H2P2_DBG_FPGA_BASE + 0x14) /* GPIO outputs */ -#define H2P2_DBG_FPGA_LEDS (H2P2_DBG_FPGA_BASE + 0x16) /* LEDs outputs */ -#define H2P2_DBG_FPGA_MISC_INPUTS (H2P2_DBG_FPGA_BASE + 0x18) /* Misc inputs */ -#define H2P2_DBG_FPGA_LAN_STATUS (H2P2_DBG_FPGA_BASE + 0x1A) /* LAN Status line */ -#define H2P2_DBG_FPGA_LAN_RESET (H2P2_DBG_FPGA_BASE + 0x1C) /* LAN Reset line */ - -/* NOTE: most boards don't have a static mapping for the FPGA ... */ -struct h2p2_dbg_fpga { - /* offset 0x00 */ - u16 smc91x[8]; - /* offset 0x10 */ - u16 fpga_rev; - u16 board_rev; - u16 gpio_outputs; - u16 leds; - /* offset 0x18 */ - u16 misc_inputs; - u16 lan_status; - u16 lan_reset; - u16 reserved0; - /* offset 0x20 */ - u16 ps2_data; - u16 ps2_ctrl; - /* plus also 4 rs232 ports ... */ -}; - -/* LEDs definition on debug board (16 LEDs, all physically green) */ -#define H2P2_DBG_FPGA_LED_GREEN (1 << 15) -#define H2P2_DBG_FPGA_LED_AMBER (1 << 14) -#define H2P2_DBG_FPGA_LED_RED (1 << 13) -#define H2P2_DBG_FPGA_LED_BLUE (1 << 12) -/* cpu0 load-meter LEDs */ -#define H2P2_DBG_FPGA_LOAD_METER (1 << 0) // A bit of fun on our board ... -#define H2P2_DBG_FPGA_LOAD_METER_SIZE 11 -#define H2P2_DBG_FPGA_LOAD_METER_MASK ((1 << H2P2_DBG_FPGA_LOAD_METER_SIZE) - 1) - -#define H2P2_DBG_FPGA_P2_LED_TIMER (1 << 0) -#define H2P2_DBG_FPGA_P2_LED_IDLE (1 << 1) - -/* - * --------------------------------------------------------------------------- - * OMAP-1510 FPGA - * --------------------------------------------------------------------------- - */ -#define OMAP1510_FPGA_BASE IOMEM(0xE8000000) /* VA */ -#define OMAP1510_FPGA_SIZE SZ_4K -#define OMAP1510_FPGA_START 0x08000000 /* PA */ - -/* Revision */ -#define OMAP1510_FPGA_REV_LOW (OMAP1510_FPGA_BASE + 0x0) -#define OMAP1510_FPGA_REV_HIGH (OMAP1510_FPGA_BASE + 0x1) - -#define OMAP1510_FPGA_LCD_PANEL_CONTROL (OMAP1510_FPGA_BASE + 0x2) -#define OMAP1510_FPGA_LED_DIGIT (OMAP1510_FPGA_BASE + 0x3) -#define INNOVATOR_FPGA_HID_SPI (OMAP1510_FPGA_BASE + 0x4) -#define OMAP1510_FPGA_POWER (OMAP1510_FPGA_BASE + 0x5) - -/* Interrupt status */ -#define OMAP1510_FPGA_ISR_LO (OMAP1510_FPGA_BASE + 0x6) -#define OMAP1510_FPGA_ISR_HI (OMAP1510_FPGA_BASE + 0x7) - -/* Interrupt mask */ -#define OMAP1510_FPGA_IMR_LO (OMAP1510_FPGA_BASE + 0x8) -#define OMAP1510_FPGA_IMR_HI (OMAP1510_FPGA_BASE + 0x9) - -/* Reset registers */ -#define OMAP1510_FPGA_HOST_RESET (OMAP1510_FPGA_BASE + 0xa) -#define OMAP1510_FPGA_RST (OMAP1510_FPGA_BASE + 0xb) - -#define OMAP1510_FPGA_AUDIO (OMAP1510_FPGA_BASE + 0xc) -#define OMAP1510_FPGA_DIP (OMAP1510_FPGA_BASE + 0xe) -#define OMAP1510_FPGA_FPGA_IO (OMAP1510_FPGA_BASE + 0xf) -#define OMAP1510_FPGA_UART1 (OMAP1510_FPGA_BASE + 0x14) -#define OMAP1510_FPGA_UART2 (OMAP1510_FPGA_BASE + 0x15) -#define OMAP1510_FPGA_OMAP1510_STATUS (OMAP1510_FPGA_BASE + 0x16) -#define OMAP1510_FPGA_BOARD_REV (OMAP1510_FPGA_BASE + 0x18) -#define OMAP1510P1_PPT_DATA (OMAP1510_FPGA_BASE + 0x100) -#define OMAP1510P1_PPT_STATUS (OMAP1510_FPGA_BASE + 0x101) -#define OMAP1510P1_PPT_CONTROL (OMAP1510_FPGA_BASE + 0x102) - -#define OMAP1510_FPGA_TOUCHSCREEN (OMAP1510_FPGA_BASE + 0x204) - -#define INNOVATOR_FPGA_INFO (OMAP1510_FPGA_BASE + 0x205) -#define INNOVATOR_FPGA_LCD_BRIGHT_LO (OMAP1510_FPGA_BASE + 0x206) -#define INNOVATOR_FPGA_LCD_BRIGHT_HI (OMAP1510_FPGA_BASE + 0x207) -#define INNOVATOR_FPGA_LED_GRN_LO (OMAP1510_FPGA_BASE + 0x208) -#define INNOVATOR_FPGA_LED_GRN_HI (OMAP1510_FPGA_BASE + 0x209) -#define INNOVATOR_FPGA_LED_RED_LO (OMAP1510_FPGA_BASE + 0x20a) -#define INNOVATOR_FPGA_LED_RED_HI (OMAP1510_FPGA_BASE + 0x20b) -#define INNOVATOR_FPGA_CAM_USB_CONTROL (OMAP1510_FPGA_BASE + 0x20c) -#define INNOVATOR_FPGA_EXP_CONTROL (OMAP1510_FPGA_BASE + 0x20d) -#define INNOVATOR_FPGA_ISR2 (OMAP1510_FPGA_BASE + 0x20e) -#define INNOVATOR_FPGA_IMR2 (OMAP1510_FPGA_BASE + 0x210) - -#define OMAP1510_FPGA_ETHR_START (OMAP1510_FPGA_START + 0x300) - -/* - * Power up Giga UART driver, turn on HID clock. - * Turn off BT power, since we're not using it and it - * draws power. - */ -#define OMAP1510_FPGA_RESET_VALUE 0x42 - -#define OMAP1510_FPGA_PCR_IF_PD0 (1 << 7) -#define OMAP1510_FPGA_PCR_COM2_EN (1 << 6) -#define OMAP1510_FPGA_PCR_COM1_EN (1 << 5) -#define OMAP1510_FPGA_PCR_EXP_PD0 (1 << 4) -#define OMAP1510_FPGA_PCR_EXP_PD1 (1 << 3) -#define OMAP1510_FPGA_PCR_48MHZ_CLK (1 << 2) -#define OMAP1510_FPGA_PCR_4MHZ_CLK (1 << 1) -#define OMAP1510_FPGA_PCR_RSRVD_BIT0 (1 << 0) - -/* - * Innovator/OMAP1510 FPGA HID register bit definitions - */ -#define OMAP1510_FPGA_HID_SCLK (1<<0) /* output */ -#define OMAP1510_FPGA_HID_MOSI (1<<1) /* output */ -#define OMAP1510_FPGA_HID_nSS (1<<2) /* output 0/1 chip idle/select */ -#define OMAP1510_FPGA_HID_nHSUS (1<<3) /* output 0/1 host active/suspended */ -#define OMAP1510_FPGA_HID_MISO (1<<4) /* input */ -#define OMAP1510_FPGA_HID_ATN (1<<5) /* input 0/1 chip idle/ATN */ -#define OMAP1510_FPGA_HID_rsrvd (1<<6) -#define OMAP1510_FPGA_HID_RESETn (1<<7) /* output - 0/1 USAR reset/run */ - -/* The FPGA IRQ is cascaded through GPIO_13 */ -#define OMAP1510_INT_FPGA (IH_GPIO_BASE + 13) - -/* IRQ Numbers for interrupts muxed through the FPGA */ -#define OMAP1510_INT_FPGA_ATN (OMAP_FPGA_IRQ_BASE + 0) -#define OMAP1510_INT_FPGA_ACK (OMAP_FPGA_IRQ_BASE + 1) -#define OMAP1510_INT_FPGA2 (OMAP_FPGA_IRQ_BASE + 2) -#define OMAP1510_INT_FPGA3 (OMAP_FPGA_IRQ_BASE + 3) -#define OMAP1510_INT_FPGA4 (OMAP_FPGA_IRQ_BASE + 4) -#define OMAP1510_INT_FPGA5 (OMAP_FPGA_IRQ_BASE + 5) -#define OMAP1510_INT_FPGA6 (OMAP_FPGA_IRQ_BASE + 6) -#define OMAP1510_INT_FPGA7 (OMAP_FPGA_IRQ_BASE + 7) -#define OMAP1510_INT_FPGA8 (OMAP_FPGA_IRQ_BASE + 8) -#define OMAP1510_INT_FPGA9 (OMAP_FPGA_IRQ_BASE + 9) -#define OMAP1510_INT_FPGA10 (OMAP_FPGA_IRQ_BASE + 10) -#define OMAP1510_INT_FPGA11 (OMAP_FPGA_IRQ_BASE + 11) -#define OMAP1510_INT_FPGA12 (OMAP_FPGA_IRQ_BASE + 12) -#define OMAP1510_INT_ETHER (OMAP_FPGA_IRQ_BASE + 13) -#define OMAP1510_INT_FPGAUART1 (OMAP_FPGA_IRQ_BASE + 14) -#define OMAP1510_INT_FPGAUART2 (OMAP_FPGA_IRQ_BASE + 15) -#define OMAP1510_INT_FPGA_TS (OMAP_FPGA_IRQ_BASE + 16) -#define OMAP1510_INT_FPGA17 (OMAP_FPGA_IRQ_BASE + 17) -#define OMAP1510_INT_FPGA_CAM (OMAP_FPGA_IRQ_BASE + 18) -#define OMAP1510_INT_FPGA_RTC_A (OMAP_FPGA_IRQ_BASE + 19) -#define OMAP1510_INT_FPGA_RTC_B (OMAP_FPGA_IRQ_BASE + 20) -#define OMAP1510_INT_FPGA_CD (OMAP_FPGA_IRQ_BASE + 21) -#define OMAP1510_INT_FPGA22 (OMAP_FPGA_IRQ_BASE + 22) -#define OMAP1510_INT_FPGA23 (OMAP_FPGA_IRQ_BASE + 23) - -#endif diff --git a/arch/arm/plat-omap/include/plat/gpio-switch.h b/arch/arm/plat-omap/include/plat/gpio-switch.h deleted file mode 100644 index 10da0e07c0c..00000000000 --- a/arch/arm/plat-omap/include/plat/gpio-switch.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * GPIO switch definitions - * - * Copyright (C) 2006 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ASM_ARCH_OMAP_GPIO_SWITCH_H -#define __ASM_ARCH_OMAP_GPIO_SWITCH_H - -#include <linux/types.h> - -/* Cover: - * high -> closed - * low -> open - * Connection: - * high -> connected - * low -> disconnected - * Activity: - * high -> active - * low -> inactive - * - */ -#define OMAP_GPIO_SWITCH_TYPE_COVER 0x0000 -#define OMAP_GPIO_SWITCH_TYPE_CONNECTION 0x0001 -#define OMAP_GPIO_SWITCH_TYPE_ACTIVITY 0x0002 -#define OMAP_GPIO_SWITCH_FLAG_INVERTED 0x0001 -#define OMAP_GPIO_SWITCH_FLAG_OUTPUT 0x0002 - -struct omap_gpio_switch { - const char *name; - s16 gpio; - unsigned flags:4; - unsigned type:4; - - /* Time in ms to debounce when transitioning from - * inactive state to active state. */ - u16 debounce_rising; - /* Same for transition from active to inactive state. */ - u16 debounce_falling; - - /* notify board-specific code about state changes */ - void (* notify)(void *data, int state); - void *notify_data; -}; - -/* Call at init time only */ -extern void omap_register_gpio_switches(const struct omap_gpio_switch *tbl, - int count); - -#endif diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h deleted file mode 100644 index d6f9fa0f62a..00000000000 --- a/arch/arm/plat-omap/include/plat/gpio.h +++ /dev/null @@ -1,139 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/gpio.h - * - * OMAP GPIO handling defines and functions - * - * Copyright (C) 2003-2005 Nokia Corporation - * - * Written by Juha Yrjölä <juha.yrjola@nokia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef __ASM_ARCH_OMAP_GPIO_H -#define __ASM_ARCH_OMAP_GPIO_H - -#include <linux/io.h> -#include <linux/platform_device.h> -#include <mach/irqs.h> - -#define OMAP1_MPUIO_BASE 0xfffb5000 - -/* - * These are the omap15xx/16xx offsets. The omap7xx offset are - * OMAP_MPUIO_ / 2 offsets below. - */ -#define OMAP_MPUIO_INPUT_LATCH 0x00 -#define OMAP_MPUIO_OUTPUT 0x04 -#define OMAP_MPUIO_IO_CNTL 0x08 -#define OMAP_MPUIO_KBR_LATCH 0x10 -#define OMAP_MPUIO_KBC 0x14 -#define OMAP_MPUIO_GPIO_EVENT_MODE 0x18 -#define OMAP_MPUIO_GPIO_INT_EDGE 0x1c -#define OMAP_MPUIO_KBD_INT 0x20 -#define OMAP_MPUIO_GPIO_INT 0x24 -#define OMAP_MPUIO_KBD_MASKIT 0x28 -#define OMAP_MPUIO_GPIO_MASKIT 0x2c -#define OMAP_MPUIO_GPIO_DEBOUNCING 0x30 -#define OMAP_MPUIO_LATCH 0x34 - -#define OMAP34XX_NR_GPIOS 6 - -#define OMAP_MPUIO(nr) (OMAP_MAX_GPIO_LINES + (nr)) -#define OMAP_GPIO_IS_MPUIO(nr) ((nr) >= OMAP_MAX_GPIO_LINES) - -#define OMAP_GPIO_IRQ(nr) (OMAP_GPIO_IS_MPUIO(nr) ? \ - IH_MPUIO_BASE + ((nr) & 0x0f) : \ - IH_GPIO_BASE + (nr)) - -#define METHOD_MPUIO 0 -#define METHOD_GPIO_1510 1 -#define METHOD_GPIO_1610 2 -#define METHOD_GPIO_7XX 3 -#define METHOD_GPIO_24XX 5 -#define METHOD_GPIO_44XX 6 - -struct omap_gpio_dev_attr { - int bank_width; /* GPIO bank width */ - bool dbck_flag; /* dbck required or not - True for OMAP3&4 */ -}; - -struct omap_gpio_platform_data { - u16 virtual_irq_start; - int bank_type; - int bank_width; /* GPIO bank width */ - int bank_stride; /* Only needed for omap1 MPUIO */ - bool dbck_flag; /* dbck required or not - True for OMAP3&4 */ -}; - -/* TODO: Analyze removing gpio_bank_count usage from driver code */ -extern int gpio_bank_count; - -extern void omap2_gpio_prepare_for_idle(int off_mode); -extern void omap2_gpio_resume_after_idle(void); -extern void omap_set_gpio_debounce(int gpio, int enable); -extern void omap_set_gpio_debounce_time(int gpio, int enable); -extern void omap_gpio_save_context(void); -extern void omap_gpio_restore_context(void); -/*-------------------------------------------------------------------------*/ - -/* Wrappers for "new style" GPIO calls, using the new infrastructure - * which lets us plug in FPGA, I2C, and other implementations. - * * - * The original OMAP-specfic calls should eventually be removed. - */ - -#include <linux/errno.h> -#include <asm-generic/gpio.h> - -static inline int gpio_get_value(unsigned gpio) -{ - return __gpio_get_value(gpio); -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - __gpio_set_value(gpio, value); -} - -static inline int gpio_cansleep(unsigned gpio) -{ - return __gpio_cansleep(gpio); -} - -static inline int gpio_to_irq(unsigned gpio) -{ - return __gpio_to_irq(gpio); -} - -static inline int irq_to_gpio(unsigned irq) -{ - int tmp; - - /* omap1 SOC mpuio */ - if (cpu_class_is_omap1() && (irq < (IH_MPUIO_BASE + 16))) - return (irq - IH_MPUIO_BASE) + OMAP_MAX_GPIO_LINES; - - /* SOC gpio */ - tmp = irq - IH_GPIO_BASE; - if (tmp < OMAP_MAX_GPIO_LINES) - return tmp; - - /* we don't supply reverse mappings for non-SOC gpios */ - return -EIO; -} - -#endif diff --git a/arch/arm/plat-omap/include/plat/gpmc-smc91x.h b/arch/arm/plat-omap/include/plat/gpmc-smc91x.h deleted file mode 100644 index b64fbee4d56..00000000000 --- a/arch/arm/plat-omap/include/plat/gpmc-smc91x.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/gpmc-smc91x.h - * - * Copyright (C) 2009 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ASM_ARCH_OMAP_GPMC_SMC91X_H__ - -#define GPMC_TIMINGS_SMC91C96 (1 << 4) -#define GPMC_MUX_ADD_DATA (1 << 5) /* GPMC_CONFIG1_MUXADDDATA */ -#define GPMC_READ_MON (1 << 6) /* GPMC_CONFIG1_WAIT_READ_MON */ -#define GPMC_WRITE_MON (1 << 7) /* GPMC_CONFIG1_WAIT_WRITE_MON */ - -struct omap_smc91x_platform_data { - int cs; - int gpio_irq; - int gpio_pwrdwn; - int gpio_reset; - int wait_pin; /* Optional GPMC_CONFIG1_WAITPINSELECT */ - u32 flags; - int (*retime)(void); -}; - -#if defined(CONFIG_SMC91X) || \ - defined(CONFIG_SMC91X_MODULE) - -extern void gpmc_smc91x_init(struct omap_smc91x_platform_data *d); - -#else - -#define board_smc91x_data NULL - -static inline void gpmc_smc91x_init(struct omap_smc91x_platform_data *d) -{ -} - -#endif -#endif diff --git a/arch/arm/plat-omap/include/plat/gpmc-smsc911x.h b/arch/arm/plat-omap/include/plat/gpmc-smsc911x.h deleted file mode 100644 index 872de0bf1e6..00000000000 --- a/arch/arm/plat-omap/include/plat/gpmc-smsc911x.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * arch/arm/plat-omap/include/plat/gpmc-smsc911x.h - * - * Copyright (C) 2009 Li-Pro.Net - * Stephan Linz <linz@li-pro.net> - * - * Modified from arch/arm/plat-omap/include/plat/gpmc-smc91x.h - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ASM_ARCH_OMAP_GPMC_SMSC911X_H__ - -struct omap_smsc911x_platform_data { - int cs; - int gpio_irq; - int gpio_reset; - u32 flags; -}; - -#if defined(CONFIG_SMSC911X) || \ - defined(CONFIG_SMSC911X_MODULE) - -extern void gpmc_smsc911x_init(struct omap_smsc911x_platform_data *d); - -#else - -static inline void gpmc_smsc911x_init(struct omap_smsc911x_platform_data *d) -{ -} - -#endif -#endif diff --git a/arch/arm/plat-omap/include/plat/gpmc.h b/arch/arm/plat-omap/include/plat/gpmc.h deleted file mode 100644 index 85ded598853..00000000000 --- a/arch/arm/plat-omap/include/plat/gpmc.h +++ /dev/null @@ -1,146 +0,0 @@ -/* - * General-Purpose Memory Controller for OMAP2 - * - * Copyright (C) 2005-2006 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __OMAP2_GPMC_H -#define __OMAP2_GPMC_H - -/* Maximum Number of Chip Selects */ -#define GPMC_CS_NUM 8 - -#define GPMC_CS_CONFIG1 0x00 -#define GPMC_CS_CONFIG2 0x04 -#define GPMC_CS_CONFIG3 0x08 -#define GPMC_CS_CONFIG4 0x0c -#define GPMC_CS_CONFIG5 0x10 -#define GPMC_CS_CONFIG6 0x14 -#define GPMC_CS_CONFIG7 0x18 -#define GPMC_CS_NAND_COMMAND 0x1c -#define GPMC_CS_NAND_ADDRESS 0x20 -#define GPMC_CS_NAND_DATA 0x24 - -/* Control Commands */ -#define GPMC_CONFIG_RDY_BSY 0x00000001 -#define GPMC_CONFIG_DEV_SIZE 0x00000002 -#define GPMC_CONFIG_DEV_TYPE 0x00000003 -#define GPMC_SET_IRQ_STATUS 0x00000004 -#define GPMC_CONFIG_WP 0x00000005 - -#define GPMC_GET_IRQ_STATUS 0x00000006 -#define GPMC_PREFETCH_FIFO_CNT 0x00000007 /* bytes available in FIFO for r/w */ -#define GPMC_PREFETCH_COUNT 0x00000008 /* remaining bytes to be read/write*/ -#define GPMC_STATUS_BUFFER 0x00000009 /* 1: buffer is available to write */ - -#define GPMC_NAND_COMMAND 0x0000000a -#define GPMC_NAND_ADDRESS 0x0000000b -#define GPMC_NAND_DATA 0x0000000c - -/* ECC commands */ -#define GPMC_ECC_READ 0 /* Reset Hardware ECC for read */ -#define GPMC_ECC_WRITE 1 /* Reset Hardware ECC for write */ -#define GPMC_ECC_READSYN 2 /* Reset before syndrom is read back */ - -#define GPMC_CONFIG1_WRAPBURST_SUPP (1 << 31) -#define GPMC_CONFIG1_READMULTIPLE_SUPP (1 << 30) -#define GPMC_CONFIG1_READTYPE_ASYNC (0 << 29) -#define GPMC_CONFIG1_READTYPE_SYNC (1 << 29) -#define GPMC_CONFIG1_WRITEMULTIPLE_SUPP (1 << 28) -#define GPMC_CONFIG1_WRITETYPE_ASYNC (0 << 27) -#define GPMC_CONFIG1_WRITETYPE_SYNC (1 << 27) -#define GPMC_CONFIG1_CLKACTIVATIONTIME(val) ((val & 3) << 25) -#define GPMC_CONFIG1_PAGE_LEN(val) ((val & 3) << 23) -#define GPMC_CONFIG1_WAIT_READ_MON (1 << 22) -#define GPMC_CONFIG1_WAIT_WRITE_MON (1 << 21) -#define GPMC_CONFIG1_WAIT_MON_IIME(val) ((val & 3) << 18) -#define GPMC_CONFIG1_WAIT_PIN_SEL(val) ((val & 3) << 16) -#define GPMC_CONFIG1_DEVICESIZE(val) ((val & 3) << 12) -#define GPMC_CONFIG1_DEVICESIZE_16 GPMC_CONFIG1_DEVICESIZE(1) -#define GPMC_CONFIG1_DEVICETYPE(val) ((val & 3) << 10) -#define GPMC_CONFIG1_DEVICETYPE_NOR GPMC_CONFIG1_DEVICETYPE(0) -#define GPMC_CONFIG1_MUXADDDATA (1 << 9) -#define GPMC_CONFIG1_TIME_PARA_GRAN (1 << 4) -#define GPMC_CONFIG1_FCLK_DIV(val) (val & 3) -#define GPMC_CONFIG1_FCLK_DIV2 (GPMC_CONFIG1_FCLK_DIV(1)) -#define GPMC_CONFIG1_FCLK_DIV3 (GPMC_CONFIG1_FCLK_DIV(2)) -#define GPMC_CONFIG1_FCLK_DIV4 (GPMC_CONFIG1_FCLK_DIV(3)) -#define GPMC_CONFIG7_CSVALID (1 << 6) - -#define GPMC_DEVICETYPE_NOR 0 -#define GPMC_DEVICETYPE_NAND 2 -#define GPMC_CONFIG_WRITEPROTECT 0x00000010 -#define GPMC_STATUS_BUFF_EMPTY 0x00000001 -#define WR_RD_PIN_MONITORING 0x00600000 -#define GPMC_PREFETCH_STATUS_FIFO_CNT(val) ((val >> 24) & 0x7F) -#define GPMC_PREFETCH_STATUS_COUNT(val) (val & 0x00003fff) - -/* - * Note that all values in this struct are in nanoseconds except sync_clk - * (which is in picoseconds), while the register values are in gpmc_fck cycles. - */ -struct gpmc_timings { - /* Minimum clock period for synchronous mode (in picoseconds) */ - u32 sync_clk; - - /* Chip-select signal timings corresponding to GPMC_CS_CONFIG2 */ - u16 cs_on; /* Assertion time */ - u16 cs_rd_off; /* Read deassertion time */ - u16 cs_wr_off; /* Write deassertion time */ - - /* ADV signal timings corresponding to GPMC_CONFIG3 */ - u16 adv_on; /* Assertion time */ - u16 adv_rd_off; /* Read deassertion time */ - u16 adv_wr_off; /* Write deassertion time */ - - /* WE signals timings corresponding to GPMC_CONFIG4 */ - u16 we_on; /* WE assertion time */ - u16 we_off; /* WE deassertion time */ - - /* OE signals timings corresponding to GPMC_CONFIG4 */ - u16 oe_on; /* OE assertion time */ - u16 oe_off; /* OE deassertion time */ - - /* Access time and cycle time timings corresponding to GPMC_CONFIG5 */ - u16 page_burst_access; /* Multiple access word delay */ - u16 access; /* Start-cycle to first data valid delay */ - u16 rd_cycle; /* Total read cycle time */ - u16 wr_cycle; /* Total write cycle time */ - - /* The following are only on OMAP3430 */ - u16 wr_access; /* WRACCESSTIME */ - u16 wr_data_mux_bus; /* WRDATAONADMUXBUS */ -}; - -extern unsigned int gpmc_ns_to_ticks(unsigned int time_ns); -extern unsigned int gpmc_ps_to_ticks(unsigned int time_ps); -extern unsigned int gpmc_ticks_to_ns(unsigned int ticks); -extern unsigned int gpmc_round_ns_to_ticks(unsigned int time_ns); -extern unsigned long gpmc_get_fclk_period(void); - -extern void gpmc_cs_write_reg(int cs, int idx, u32 val); -extern u32 gpmc_cs_read_reg(int cs, int idx); -extern int gpmc_cs_calc_divider(int cs, unsigned int sync_clk); -extern int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t); -extern int gpmc_cs_request(int cs, unsigned long size, unsigned long *base); -extern void gpmc_cs_free(int cs); -extern int gpmc_cs_set_reserved(int cs, int reserved); -extern int gpmc_cs_reserved(int cs); -extern int gpmc_prefetch_enable(int cs, int dma_mode, - unsigned int u32_count, int is_write); -extern int gpmc_prefetch_reset(int cs); -extern void omap3_gpmc_save_context(void); -extern void omap3_gpmc_restore_context(void); -extern void gpmc_init(void); -extern int gpmc_read_status(int cmd); -extern int gpmc_cs_configure(int cs, int cmd, int wval); -extern int gpmc_nand_read(int cs, int cmd); -extern int gpmc_nand_write(int cs, int cmd, int wval); - -int gpmc_enable_hwecc(int cs, int mode, int dev_width, int ecc_size); -int gpmc_calculate_ecc(int cs, const u_char *dat, u_char *ecc_code); -#endif diff --git a/arch/arm/plat-omap/include/plat/hardware.h b/arch/arm/plat-omap/include/plat/hardware.h deleted file mode 100644 index d5b26adfb89..00000000000 --- a/arch/arm/plat-omap/include/plat/hardware.h +++ /dev/null @@ -1,290 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/hardware.h - * - * Hardware definitions for TI OMAP processors and boards - * - * NOTE: Please put device driver specific defines into a separate header - * file for each driver. - * - * Copyright (C) 2001 RidgeRun, Inc. - * Author: RidgeRun, Inc. Greg Lonnon <glonnon@ridgerun.com> - * - * Reorganized for Linux-2.6 by Tony Lindgren <tony@atomide.com> - * and Dirk Behme <dirk.behme@de.bosch.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ASM_ARCH_OMAP_HARDWARE_H -#define __ASM_ARCH_OMAP_HARDWARE_H - -#include <asm/sizes.h> -#ifndef __ASSEMBLER__ -#include <asm/types.h> -#include <plat/cpu.h> -#endif -#include <plat/serial.h> - -/* - * --------------------------------------------------------------------------- - * Common definitions for all OMAP processors - * NOTE: Put all processor or board specific parts to the special header - * files. - * --------------------------------------------------------------------------- - */ - -/* - * ---------------------------------------------------------------------------- - * Timers - * ---------------------------------------------------------------------------- - */ -#define OMAP_MPU_TIMER1_BASE (0xfffec500) -#define OMAP_MPU_TIMER2_BASE (0xfffec600) -#define OMAP_MPU_TIMER3_BASE (0xfffec700) -#define MPU_TIMER_FREE (1 << 6) -#define MPU_TIMER_CLOCK_ENABLE (1 << 5) -#define MPU_TIMER_AR (1 << 1) -#define MPU_TIMER_ST (1 << 0) - -/* - * ---------------------------------------------------------------------------- - * Clocks - * ---------------------------------------------------------------------------- - */ -#define CLKGEN_REG_BASE (0xfffece00) -#define ARM_CKCTL (CLKGEN_REG_BASE + 0x0) -#define ARM_IDLECT1 (CLKGEN_REG_BASE + 0x4) -#define ARM_IDLECT2 (CLKGEN_REG_BASE + 0x8) -#define ARM_EWUPCT (CLKGEN_REG_BASE + 0xC) -#define ARM_RSTCT1 (CLKGEN_REG_BASE + 0x10) -#define ARM_RSTCT2 (CLKGEN_REG_BASE + 0x14) -#define ARM_SYSST (CLKGEN_REG_BASE + 0x18) -#define ARM_IDLECT3 (CLKGEN_REG_BASE + 0x24) - -#define CK_RATEF 1 -#define CK_IDLEF 2 -#define CK_ENABLEF 4 -#define CK_SELECTF 8 -#define SETARM_IDLE_SHIFT - -/* DPLL control registers */ -#define DPLL_CTL (0xfffecf00) - -/* DSP clock control. Must use __raw_readw() and __raw_writew() with these */ -#define DSP_CONFIG_REG_BASE IOMEM(0xe1008000) -#define DSP_CKCTL (DSP_CONFIG_REG_BASE + 0x0) -#define DSP_IDLECT1 (DSP_CONFIG_REG_BASE + 0x4) -#define DSP_IDLECT2 (DSP_CONFIG_REG_BASE + 0x8) -#define DSP_RSTCT2 (DSP_CONFIG_REG_BASE + 0x14) - -/* - * --------------------------------------------------------------------------- - * UPLD - * --------------------------------------------------------------------------- - */ -#define ULPD_REG_BASE (0xfffe0800) -#define ULPD_IT_STATUS (ULPD_REG_BASE + 0x14) -#define ULPD_SETUP_ANALOG_CELL_3 (ULPD_REG_BASE + 0x24) -#define ULPD_CLOCK_CTRL (ULPD_REG_BASE + 0x30) -# define DIS_USB_PVCI_CLK (1 << 5) /* no USB/FAC synch */ -# define USB_MCLK_EN (1 << 4) /* enable W4_USB_CLKO */ -#define ULPD_SOFT_REQ (ULPD_REG_BASE + 0x34) -# define SOFT_UDC_REQ (1 << 4) -# define SOFT_USB_CLK_REQ (1 << 3) -# define SOFT_DPLL_REQ (1 << 0) -#define ULPD_DPLL_CTRL (ULPD_REG_BASE + 0x3c) -#define ULPD_STATUS_REQ (ULPD_REG_BASE + 0x40) -#define ULPD_APLL_CTRL (ULPD_REG_BASE + 0x4c) -#define ULPD_POWER_CTRL (ULPD_REG_BASE + 0x50) -#define ULPD_SOFT_DISABLE_REQ_REG (ULPD_REG_BASE + 0x68) -# define DIS_MMC2_DPLL_REQ (1 << 11) -# define DIS_MMC1_DPLL_REQ (1 << 10) -# define DIS_UART3_DPLL_REQ (1 << 9) -# define DIS_UART2_DPLL_REQ (1 << 8) -# define DIS_UART1_DPLL_REQ (1 << 7) -# define DIS_USB_HOST_DPLL_REQ (1 << 6) -#define ULPD_SDW_CLK_DIV_CTRL_SEL (ULPD_REG_BASE + 0x74) -#define ULPD_CAM_CLK_CTRL (ULPD_REG_BASE + 0x7c) - -/* - * --------------------------------------------------------------------------- - * Watchdog timer - * --------------------------------------------------------------------------- - */ - -/* Watchdog timer within the OMAP3.2 gigacell */ -#define OMAP_MPU_WATCHDOG_BASE (0xfffec800) -#define OMAP_WDT_TIMER (OMAP_MPU_WATCHDOG_BASE + 0x0) -#define OMAP_WDT_LOAD_TIM (OMAP_MPU_WATCHDOG_BASE + 0x4) -#define OMAP_WDT_READ_TIM (OMAP_MPU_WATCHDOG_BASE + 0x4) -#define OMAP_WDT_TIMER_MODE (OMAP_MPU_WATCHDOG_BASE + 0x8) - -/* - * --------------------------------------------------------------------------- - * Interrupts - * --------------------------------------------------------------------------- - */ -#ifdef CONFIG_ARCH_OMAP1 - -/* - * XXX: These probably want to be moved to arch/arm/mach-omap/omap1/irq.c - * or something similar.. -- PFM. - */ - -#define OMAP_IH1_BASE 0xfffecb00 -#define OMAP_IH2_BASE 0xfffe0000 - -#define OMAP_IH1_ITR (OMAP_IH1_BASE + 0x00) -#define OMAP_IH1_MIR (OMAP_IH1_BASE + 0x04) -#define OMAP_IH1_SIR_IRQ (OMAP_IH1_BASE + 0x10) -#define OMAP_IH1_SIR_FIQ (OMAP_IH1_BASE + 0x14) -#define OMAP_IH1_CONTROL (OMAP_IH1_BASE + 0x18) -#define OMAP_IH1_ILR0 (OMAP_IH1_BASE + 0x1c) -#define OMAP_IH1_ISR (OMAP_IH1_BASE + 0x9c) - -#define OMAP_IH2_ITR (OMAP_IH2_BASE + 0x00) -#define OMAP_IH2_MIR (OMAP_IH2_BASE + 0x04) -#define OMAP_IH2_SIR_IRQ (OMAP_IH2_BASE + 0x10) -#define OMAP_IH2_SIR_FIQ (OMAP_IH2_BASE + 0x14) -#define OMAP_IH2_CONTROL (OMAP_IH2_BASE + 0x18) -#define OMAP_IH2_ILR0 (OMAP_IH2_BASE + 0x1c) -#define OMAP_IH2_ISR (OMAP_IH2_BASE + 0x9c) - -#define IRQ_ITR_REG_OFFSET 0x00 -#define IRQ_MIR_REG_OFFSET 0x04 -#define IRQ_SIR_IRQ_REG_OFFSET 0x10 -#define IRQ_SIR_FIQ_REG_OFFSET 0x14 -#define IRQ_CONTROL_REG_OFFSET 0x18 -#define IRQ_ISR_REG_OFFSET 0x9c -#define IRQ_ILR0_REG_OFFSET 0x1c -#define IRQ_GMR_REG_OFFSET 0xa0 - -#endif - -/* - * ---------------------------------------------------------------------------- - * System control registers - * ---------------------------------------------------------------------------- - */ -#define MOD_CONF_CTRL_0 0xfffe1080 -#define MOD_CONF_CTRL_1 0xfffe1110 - -/* - * ---------------------------------------------------------------------------- - * Pin multiplexing registers - * ---------------------------------------------------------------------------- - */ -#define FUNC_MUX_CTRL_0 0xfffe1000 -#define FUNC_MUX_CTRL_1 0xfffe1004 -#define FUNC_MUX_CTRL_2 0xfffe1008 -#define COMP_MODE_CTRL_0 0xfffe100c -#define FUNC_MUX_CTRL_3 0xfffe1010 -#define FUNC_MUX_CTRL_4 0xfffe1014 -#define FUNC_MUX_CTRL_5 0xfffe1018 -#define FUNC_MUX_CTRL_6 0xfffe101C -#define FUNC_MUX_CTRL_7 0xfffe1020 -#define FUNC_MUX_CTRL_8 0xfffe1024 -#define FUNC_MUX_CTRL_9 0xfffe1028 -#define FUNC_MUX_CTRL_A 0xfffe102C -#define FUNC_MUX_CTRL_B 0xfffe1030 -#define FUNC_MUX_CTRL_C 0xfffe1034 -#define FUNC_MUX_CTRL_D 0xfffe1038 -#define PULL_DWN_CTRL_0 0xfffe1040 -#define PULL_DWN_CTRL_1 0xfffe1044 -#define PULL_DWN_CTRL_2 0xfffe1048 -#define PULL_DWN_CTRL_3 0xfffe104c -#define PULL_DWN_CTRL_4 0xfffe10ac - -/* OMAP-1610 specific multiplexing registers */ -#define FUNC_MUX_CTRL_E 0xfffe1090 -#define FUNC_MUX_CTRL_F 0xfffe1094 -#define FUNC_MUX_CTRL_10 0xfffe1098 -#define FUNC_MUX_CTRL_11 0xfffe109c -#define FUNC_MUX_CTRL_12 0xfffe10a0 -#define PU_PD_SEL_0 0xfffe10b4 -#define PU_PD_SEL_1 0xfffe10b8 -#define PU_PD_SEL_2 0xfffe10bc -#define PU_PD_SEL_3 0xfffe10c0 -#define PU_PD_SEL_4 0xfffe10c4 - -/* Timer32K for 1610 and 1710*/ -#define OMAP_TIMER32K_BASE 0xFFFBC400 - -/* - * --------------------------------------------------------------------------- - * TIPB bus interface - * --------------------------------------------------------------------------- - */ -#define TIPB_PUBLIC_CNTL_BASE 0xfffed300 -#define MPU_PUBLIC_TIPB_CNTL (TIPB_PUBLIC_CNTL_BASE + 0x8) -#define TIPB_PRIVATE_CNTL_BASE 0xfffeca00 -#define MPU_PRIVATE_TIPB_CNTL (TIPB_PRIVATE_CNTL_BASE + 0x8) - -/* - * ---------------------------------------------------------------------------- - * MPUI interface - * ---------------------------------------------------------------------------- - */ -#define MPUI_BASE (0xfffec900) -#define MPUI_CTRL (MPUI_BASE + 0x0) -#define MPUI_DEBUG_ADDR (MPUI_BASE + 0x4) -#define MPUI_DEBUG_DATA (MPUI_BASE + 0x8) -#define MPUI_DEBUG_FLAG (MPUI_BASE + 0xc) -#define MPUI_STATUS_REG (MPUI_BASE + 0x10) -#define MPUI_DSP_STATUS (MPUI_BASE + 0x14) -#define MPUI_DSP_BOOT_CONFIG (MPUI_BASE + 0x18) -#define MPUI_DSP_API_CONFIG (MPUI_BASE + 0x1c) - -/* - * ---------------------------------------------------------------------------- - * LED Pulse Generator - * ---------------------------------------------------------------------------- - */ -#define OMAP_LPG1_BASE 0xfffbd000 -#define OMAP_LPG2_BASE 0xfffbd800 -#define OMAP_LPG1_LCR (OMAP_LPG1_BASE + 0x00) -#define OMAP_LPG1_PMR (OMAP_LPG1_BASE + 0x04) -#define OMAP_LPG2_LCR (OMAP_LPG2_BASE + 0x00) -#define OMAP_LPG2_PMR (OMAP_LPG2_BASE + 0x04) - -/* - * ---------------------------------------------------------------------------- - * Pulse-Width Light - * ---------------------------------------------------------------------------- - */ -#define OMAP_PWL_BASE 0xfffb5800 -#define OMAP_PWL_ENABLE (OMAP_PWL_BASE + 0x00) -#define OMAP_PWL_CLK_ENABLE (OMAP_PWL_BASE + 0x04) - -/* - * --------------------------------------------------------------------------- - * Processor specific defines - * --------------------------------------------------------------------------- - */ - -#include <plat/omap7xx.h> -#include <plat/omap1510.h> -#include <plat/omap16xx.h> -#include <plat/omap24xx.h> -#include <plat/omap34xx.h> -#include <plat/omap44xx.h> - -#endif /* __ASM_ARCH_OMAP_HARDWARE_H */ diff --git a/arch/arm/plat-omap/include/plat/hwa742.h b/arch/arm/plat-omap/include/plat/hwa742.h deleted file mode 100644 index 886248d32b4..00000000000 --- a/arch/arm/plat-omap/include/plat/hwa742.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef _HWA742_H -#define _HWA742_H - -struct hwa742_platform_data { - unsigned te_connected:1; -}; - -#endif diff --git a/arch/arm/plat-omap/include/plat/i2c.h b/arch/arm/plat-omap/include/plat/i2c.h index 878d632c409..810629d7966 100644 --- a/arch/arm/plat-omap/include/plat/i2c.h +++ b/arch/arm/plat-omap/include/plat/i2c.h @@ -18,15 +18,21 @@ * 02110-1301 USA * */ -#ifndef __ASM__ARCH_OMAP_I2C_H -#define __ASM__ARCH_OMAP_I2C_H -#include <linux/i2c.h> +#ifndef __PLAT_OMAP_I2C_H +#define __PLAT_OMAP_I2C_H + +struct i2c_board_info; +struct omap_i2c_bus_platform_data; + +int omap_i2c_add_bus(struct omap_i2c_bus_platform_data *i2c_pdata, + int bus_id); #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) extern int omap_register_i2c_bus(int bus_id, u32 clkrate, struct i2c_board_info const *info, unsigned len); +extern int omap_register_i2c_bus_cmdline(void); #else static inline int omap_register_i2c_bus(int bus_id, u32 clkrate, struct i2c_board_info const *info, @@ -34,22 +40,14 @@ static inline int omap_register_i2c_bus(int bus_id, u32 clkrate, { return 0; } -#endif -/** - * i2c_dev_attr - OMAP I2C controller device attributes for omap_hwmod - * @fifo_depth: total controller FIFO size (in bytes) - * @flags: differences in hardware support capability - * - * @fifo_depth represents what exists on the hardware, not what is - * actually configured at runtime by the device driver. - */ -struct omap_i2c_dev_attr { - u8 fifo_depth; - u8 flags; -}; +static inline int omap_register_i2c_bus_cmdline(void) +{ + return 0; +} +#endif -void __init omap1_i2c_mux_pins(int bus_id); -void __init omap2_i2c_mux_pins(int bus_id); +struct omap_hwmod; +int omap_i2c_reset(struct omap_hwmod *oh); -#endif /* __ASM__ARCH_OMAP_I2C_H */ +#endif /* __PLAT_OMAP_I2C_H */ diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h deleted file mode 100644 index ef4106c1318..00000000000 --- a/arch/arm/plat-omap/include/plat/io.h +++ /dev/null @@ -1,306 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/io.h - * - * IO definitions for TI OMAP processors and boards - * - * Copied from arch/arm/mach-sa1100/include/mach/io.h - * Copyright (C) 1997-1999 Russell King - * - * Copyright (C) 2009 Texas Instruments - * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Modifications: - * 06-12-1997 RMK Created. - * 07-04-1999 RMK Major cleanup - */ - -#ifndef __ASM_ARM_ARCH_IO_H -#define __ASM_ARM_ARCH_IO_H - -#include <mach/hardware.h> - -#define IO_SPACE_LIMIT 0xffffffff - -/* - * We don't actually have real ISA nor PCI buses, but there is so many - * drivers out there that might just work if we fake them... - */ -#define __io(a) __typesafe_io(a) -#define __mem_pci(a) (a) - -/* - * ---------------------------------------------------------------------------- - * I/O mapping - * ---------------------------------------------------------------------------- - */ - -#ifdef __ASSEMBLER__ -#define IOMEM(x) (x) -#else -#define IOMEM(x) ((void __force __iomem *)(x)) -#endif - -#define OMAP1_IO_OFFSET 0x01000000 /* Virtual IO = 0xfefb0000 */ -#define OMAP1_IO_ADDRESS(pa) IOMEM((pa) - OMAP1_IO_OFFSET) - -#define OMAP2_L3_IO_OFFSET 0x90000000 -#define OMAP2_L3_IO_ADDRESS(pa) IOMEM((pa) + OMAP2_L3_IO_OFFSET) /* L3 */ - - -#define OMAP2_L4_IO_OFFSET 0xb2000000 -#define OMAP2_L4_IO_ADDRESS(pa) IOMEM((pa) + OMAP2_L4_IO_OFFSET) /* L4 */ - -#define OMAP4_L3_IO_OFFSET 0xb4000000 -#define OMAP4_L3_IO_ADDRESS(pa) IOMEM((pa) + OMAP4_L3_IO_OFFSET) /* L3 */ - -#define OMAP4_L3_PER_IO_OFFSET 0xb1100000 -#define OMAP4_L3_PER_IO_ADDRESS(pa) IOMEM((pa) + OMAP4_L3_PER_IO_OFFSET) - -#define OMAP4_GPMC_IO_OFFSET 0xa9000000 -#define OMAP4_GPMC_IO_ADDRESS(pa) IOMEM((pa) + OMAP4_GPMC_IO_OFFSET) - -#define OMAP2_EMU_IO_OFFSET 0xaa800000 /* Emulation */ -#define OMAP2_EMU_IO_ADDRESS(pa) IOMEM((pa) + OMAP2_EMU_IO_OFFSET) - -/* - * ---------------------------------------------------------------------------- - * Omap1 specific IO mapping - * ---------------------------------------------------------------------------- - */ - -#define OMAP1_IO_PHYS 0xFFFB0000 -#define OMAP1_IO_SIZE 0x40000 -#define OMAP1_IO_VIRT (OMAP1_IO_PHYS - OMAP1_IO_OFFSET) - -/* - * ---------------------------------------------------------------------------- - * Omap2 specific IO mapping - * ---------------------------------------------------------------------------- - */ - -/* We map both L3 and L4 on OMAP2 */ -#define L3_24XX_PHYS L3_24XX_BASE /* 0x68000000 --> 0xf8000000*/ -#define L3_24XX_VIRT (L3_24XX_PHYS + OMAP2_L3_IO_OFFSET) -#define L3_24XX_SIZE SZ_1M /* 44kB of 128MB used, want 1MB sect */ -#define L4_24XX_PHYS L4_24XX_BASE /* 0x48000000 --> 0xfa000000 */ -#define L4_24XX_VIRT (L4_24XX_PHYS + OMAP2_L4_IO_OFFSET) -#define L4_24XX_SIZE SZ_1M /* 1MB of 128MB used, want 1MB sect */ - -#define L4_WK_243X_PHYS L4_WK_243X_BASE /* 0x49000000 --> 0xfb000000 */ -#define L4_WK_243X_VIRT (L4_WK_243X_PHYS + OMAP2_L4_IO_OFFSET) -#define L4_WK_243X_SIZE SZ_1M -#define OMAP243X_GPMC_PHYS OMAP243X_GPMC_BASE -#define OMAP243X_GPMC_VIRT (OMAP243X_GPMC_PHYS + OMAP2_L3_IO_OFFSET) - /* 0x6e000000 --> 0xfe000000 */ -#define OMAP243X_GPMC_SIZE SZ_1M -#define OMAP243X_SDRC_PHYS OMAP243X_SDRC_BASE - /* 0x6D000000 --> 0xfd000000 */ -#define OMAP243X_SDRC_VIRT (OMAP243X_SDRC_PHYS + OMAP2_L3_IO_OFFSET) -#define OMAP243X_SDRC_SIZE SZ_1M -#define OMAP243X_SMS_PHYS OMAP243X_SMS_BASE - /* 0x6c000000 --> 0xfc000000 */ -#define OMAP243X_SMS_VIRT (OMAP243X_SMS_PHYS + OMAP2_L3_IO_OFFSET) -#define OMAP243X_SMS_SIZE SZ_1M - -/* 2420 IVA */ -#define DSP_MEM_2420_PHYS OMAP2420_DSP_MEM_BASE - /* 0x58000000 --> 0xfc100000 */ -#define DSP_MEM_2420_VIRT 0xfc100000 -#define DSP_MEM_2420_SIZE 0x28000 -#define DSP_IPI_2420_PHYS OMAP2420_DSP_IPI_BASE - /* 0x59000000 --> 0xfc128000 */ -#define DSP_IPI_2420_VIRT 0xfc128000 -#define DSP_IPI_2420_SIZE SZ_4K -#define DSP_MMU_2420_PHYS OMAP2420_DSP_MMU_BASE - /* 0x5a000000 --> 0xfc129000 */ -#define DSP_MMU_2420_VIRT 0xfc129000 -#define DSP_MMU_2420_SIZE SZ_4K - -/* 2430 IVA2.1 - currently unmapped */ - -/* - * ---------------------------------------------------------------------------- - * Omap3 specific IO mapping - * ---------------------------------------------------------------------------- - */ - -/* We map both L3 and L4 on OMAP3 */ -#define L3_34XX_PHYS L3_34XX_BASE /* 0x68000000 --> 0xf8000000 */ -#define L3_34XX_VIRT (L3_34XX_PHYS + OMAP2_L3_IO_OFFSET) -#define L3_34XX_SIZE SZ_1M /* 44kB of 128MB used, want 1MB sect */ - -#define L4_34XX_PHYS L4_34XX_BASE /* 0x48000000 --> 0xfa000000 */ -#define L4_34XX_VIRT (L4_34XX_PHYS + OMAP2_L4_IO_OFFSET) -#define L4_34XX_SIZE SZ_4M /* 1MB of 128MB used, want 1MB sect */ - -/* - * Need to look at the Size 4M for L4. - * VPOM3430 was not working for Int controller - */ - -#define L4_PER_34XX_PHYS L4_PER_34XX_BASE - /* 0x49000000 --> 0xfb000000 */ -#define L4_PER_34XX_VIRT (L4_PER_34XX_PHYS + OMAP2_L4_IO_OFFSET) -#define L4_PER_34XX_SIZE SZ_1M - -#define L4_EMU_34XX_PHYS L4_EMU_34XX_BASE - /* 0x54000000 --> 0xfe800000 */ -#define L4_EMU_34XX_VIRT (L4_EMU_34XX_PHYS + OMAP2_EMU_IO_OFFSET) -#define L4_EMU_34XX_SIZE SZ_8M - -#define OMAP34XX_GPMC_PHYS OMAP34XX_GPMC_BASE - /* 0x6e000000 --> 0xfe000000 */ -#define OMAP34XX_GPMC_VIRT (OMAP34XX_GPMC_PHYS + OMAP2_L3_IO_OFFSET) -#define OMAP34XX_GPMC_SIZE SZ_1M - -#define OMAP343X_SMS_PHYS OMAP343X_SMS_BASE - /* 0x6c000000 --> 0xfc000000 */ -#define OMAP343X_SMS_VIRT (OMAP343X_SMS_PHYS + OMAP2_L3_IO_OFFSET) -#define OMAP343X_SMS_SIZE SZ_1M - -#define OMAP343X_SDRC_PHYS OMAP343X_SDRC_BASE - /* 0x6D000000 --> 0xfd000000 */ -#define OMAP343X_SDRC_VIRT (OMAP343X_SDRC_PHYS + OMAP2_L3_IO_OFFSET) -#define OMAP343X_SDRC_SIZE SZ_1M - -/* 3430 IVA - currently unmapped */ - -/* - * ---------------------------------------------------------------------------- - * Omap4 specific IO mapping - * ---------------------------------------------------------------------------- - */ - -/* We map both L3 and L4 on OMAP4 */ -#define L3_44XX_PHYS L3_44XX_BASE /* 0x44000000 --> 0xf8000000 */ -#define L3_44XX_VIRT (L3_44XX_PHYS + OMAP4_L3_IO_OFFSET) -#define L3_44XX_SIZE SZ_1M - -#define L4_44XX_PHYS L4_44XX_BASE /* 0x4a000000 --> 0xfc000000 */ -#define L4_44XX_VIRT (L4_44XX_PHYS + OMAP2_L4_IO_OFFSET) -#define L4_44XX_SIZE SZ_4M - -#define L4_PER_44XX_PHYS L4_PER_44XX_BASE - /* 0x48000000 --> 0xfa000000 */ -#define L4_PER_44XX_VIRT (L4_PER_44XX_PHYS + OMAP2_L4_IO_OFFSET) -#define L4_PER_44XX_SIZE SZ_4M - -#define L4_ABE_44XX_PHYS L4_ABE_44XX_BASE - /* 0x49000000 --> 0xfb000000 */ -#define L4_ABE_44XX_VIRT (L4_ABE_44XX_PHYS + OMAP2_L4_IO_OFFSET) -#define L4_ABE_44XX_SIZE SZ_1M - -#define L4_EMU_44XX_PHYS L4_EMU_44XX_BASE - /* 0x54000000 --> 0xfe800000 */ -#define L4_EMU_44XX_VIRT (L4_EMU_44XX_PHYS + OMAP2_EMU_IO_OFFSET) -#define L4_EMU_44XX_SIZE SZ_8M - -#define OMAP44XX_GPMC_PHYS OMAP44XX_GPMC_BASE - /* 0x50000000 --> 0xf9000000 */ -#define OMAP44XX_GPMC_VIRT (OMAP44XX_GPMC_PHYS + OMAP4_GPMC_IO_OFFSET) -#define OMAP44XX_GPMC_SIZE SZ_1M - - -#define OMAP44XX_EMIF1_PHYS OMAP44XX_EMIF1_BASE - /* 0x4c000000 --> 0xfd100000 */ -#define OMAP44XX_EMIF1_VIRT (OMAP44XX_EMIF1_PHYS + OMAP4_L3_PER_IO_OFFSET) -#define OMAP44XX_EMIF1_SIZE SZ_1M - -#define OMAP44XX_EMIF2_PHYS OMAP44XX_EMIF2_BASE - /* 0x4d000000 --> 0xfd200000 */ -#define OMAP44XX_EMIF2_VIRT (OMAP44XX_EMIF2_PHYS + OMAP4_L3_PER_IO_OFFSET) -#define OMAP44XX_EMIF2_SIZE SZ_1M - -#define OMAP44XX_DMM_PHYS OMAP44XX_DMM_BASE - /* 0x4e000000 --> 0xfd300000 */ -#define OMAP44XX_DMM_VIRT (OMAP44XX_DMM_PHYS + OMAP4_L3_PER_IO_OFFSET) -#define OMAP44XX_DMM_SIZE SZ_1M -/* - * ---------------------------------------------------------------------------- - * Omap specific register access - * ---------------------------------------------------------------------------- - */ - -#ifndef __ASSEMBLER__ - -/* - * NOTE: Please use ioremap + __raw_read/write where possible instead of these - */ - -extern u8 omap_readb(u32 pa); -extern u16 omap_readw(u32 pa); -extern u32 omap_readl(u32 pa); -extern void omap_writeb(u8 v, u32 pa); -extern void omap_writew(u16 v, u32 pa); -extern void omap_writel(u32 v, u32 pa); - -struct omap_sdrc_params; - -extern void omap1_map_common_io(void); -extern void omap1_init_common_hw(void); - -#ifdef CONFIG_ARCH_OMAP2420 -extern void omap242x_map_common_io(void); -#else -static inline void omap242x_map_common_io(void) -{ -} -#endif - -#ifdef CONFIG_ARCH_OMAP2430 -extern void omap243x_map_common_io(void); -#else -static inline void omap243x_map_common_io(void) -{ -} -#endif - -#ifdef CONFIG_ARCH_OMAP3 -extern void omap34xx_map_common_io(void); -#else -static inline void omap34xx_map_common_io(void) -{ -} -#endif - -#ifdef CONFIG_ARCH_OMAP4 -extern void omap44xx_map_common_io(void); -#else -static inline void omap44xx_map_common_io(void) -{ -} -#endif - -extern void omap2_init_common_infrastructure(void); -extern void omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0, - struct omap_sdrc_params *sdrc_cs1); - -#define __arch_ioremap omap_ioremap -#define __arch_iounmap omap_iounmap - -void __iomem *omap_ioremap(unsigned long phys, size_t size, unsigned int type); -void omap_iounmap(volatile void __iomem *addr); - -#endif - -#endif diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h deleted file mode 100644 index 69230d68553..00000000000 --- a/arch/arm/plat-omap/include/plat/iommu.h +++ /dev/null @@ -1,175 +0,0 @@ -/* - * omap iommu: main structures - * - * Copyright (C) 2008-2009 Nokia Corporation - * - * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __MACH_IOMMU_H -#define __MACH_IOMMU_H - -struct iotlb_entry { - u32 da; - u32 pa; - u32 pgsz, prsvd, valid; - union { - u16 ap; - struct { - u32 endian, elsz, mixed; - }; - }; -}; - -struct iommu { - const char *name; - struct module *owner; - struct clk *clk; - void __iomem *regbase; - struct device *dev; - - unsigned int refcount; - struct mutex iommu_lock; /* global for this whole object */ - - /* - * We don't change iopgd for a situation like pgd for a task, - * but share it globally for each iommu. - */ - u32 *iopgd; - spinlock_t page_table_lock; /* protect iopgd */ - - int nr_tlb_entries; - - struct list_head mmap; - struct mutex mmap_lock; /* protect mmap */ - - int (*isr)(struct iommu *obj); - - void *ctx; /* iommu context: registres saved area */ - u32 da_start; - u32 da_end; -}; - -struct cr_regs { - union { - struct { - u16 cam_l; - u16 cam_h; - }; - u32 cam; - }; - union { - struct { - u16 ram_l; - u16 ram_h; - }; - u32 ram; - }; -}; - -struct iotlb_lock { - short base; - short vict; -}; - -/* architecture specific functions */ -struct iommu_functions { - unsigned long version; - - int (*enable)(struct iommu *obj); - void (*disable)(struct iommu *obj); - void (*set_twl)(struct iommu *obj, bool on); - u32 (*fault_isr)(struct iommu *obj, u32 *ra); - - void (*tlb_read_cr)(struct iommu *obj, struct cr_regs *cr); - void (*tlb_load_cr)(struct iommu *obj, struct cr_regs *cr); - - struct cr_regs *(*alloc_cr)(struct iommu *obj, struct iotlb_entry *e); - int (*cr_valid)(struct cr_regs *cr); - u32 (*cr_to_virt)(struct cr_regs *cr); - void (*cr_to_e)(struct cr_regs *cr, struct iotlb_entry *e); - ssize_t (*dump_cr)(struct iommu *obj, struct cr_regs *cr, char *buf); - - u32 (*get_pte_attr)(struct iotlb_entry *e); - - void (*save_ctx)(struct iommu *obj); - void (*restore_ctx)(struct iommu *obj); - ssize_t (*dump_ctx)(struct iommu *obj, char *buf, ssize_t len); -}; - -struct iommu_platform_data { - const char *name; - const char *clk_name; - const int nr_tlb_entries; - u32 da_start; - u32 da_end; -}; - -#if defined(CONFIG_ARCH_OMAP1) -#error "iommu for this processor not implemented yet" -#else -#include <plat/iommu2.h> -#endif - -/* - * utilities for super page(16MB, 1MB, 64KB and 4KB) - */ - -#define iopgsz_max(bytes) \ - (((bytes) >= SZ_16M) ? SZ_16M : \ - ((bytes) >= SZ_1M) ? SZ_1M : \ - ((bytes) >= SZ_64K) ? SZ_64K : \ - ((bytes) >= SZ_4K) ? SZ_4K : 0) - -#define bytes_to_iopgsz(bytes) \ - (((bytes) == SZ_16M) ? MMU_CAM_PGSZ_16M : \ - ((bytes) == SZ_1M) ? MMU_CAM_PGSZ_1M : \ - ((bytes) == SZ_64K) ? MMU_CAM_PGSZ_64K : \ - ((bytes) == SZ_4K) ? MMU_CAM_PGSZ_4K : -1) - -#define iopgsz_to_bytes(iopgsz) \ - (((iopgsz) == MMU_CAM_PGSZ_16M) ? SZ_16M : \ - ((iopgsz) == MMU_CAM_PGSZ_1M) ? SZ_1M : \ - ((iopgsz) == MMU_CAM_PGSZ_64K) ? SZ_64K : \ - ((iopgsz) == MMU_CAM_PGSZ_4K) ? SZ_4K : 0) - -#define iopgsz_ok(bytes) (bytes_to_iopgsz(bytes) >= 0) - -/* - * global functions - */ -extern u32 iommu_arch_version(void); - -extern void iotlb_cr_to_e(struct cr_regs *cr, struct iotlb_entry *e); -extern u32 iotlb_cr_to_virt(struct cr_regs *cr); - -extern int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e); -extern void iommu_set_twl(struct iommu *obj, bool on); -extern void flush_iotlb_page(struct iommu *obj, u32 da); -extern void flush_iotlb_range(struct iommu *obj, u32 start, u32 end); -extern void flush_iotlb_all(struct iommu *obj); - -extern int iopgtable_store_entry(struct iommu *obj, struct iotlb_entry *e); -extern size_t iopgtable_clear_entry(struct iommu *obj, u32 iova); - -extern int iommu_set_da_range(struct iommu *obj, u32 start, u32 end); -extern struct iommu *iommu_get(const char *name); -extern void iommu_put(struct iommu *obj); - -extern void iommu_save_ctx(struct iommu *obj); -extern void iommu_restore_ctx(struct iommu *obj); - -extern int install_iommu_arch(const struct iommu_functions *ops); -extern void uninstall_iommu_arch(const struct iommu_functions *ops); - -extern int foreach_iommu_device(void *data, - int (*fn)(struct device *, void *)); - -extern ssize_t iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t len); -extern size_t dump_tlb_entries(struct iommu *obj, char *buf, ssize_t len); - -#endif /* __MACH_IOMMU_H */ diff --git a/arch/arm/plat-omap/include/plat/iommu2.h b/arch/arm/plat-omap/include/plat/iommu2.h deleted file mode 100644 index 10ad05f410e..00000000000 --- a/arch/arm/plat-omap/include/plat/iommu2.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * omap iommu: omap2 architecture specific definitions - * - * Copyright (C) 2008-2009 Nokia Corporation - * - * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __MACH_IOMMU2_H -#define __MACH_IOMMU2_H - -#include <linux/io.h> - -/* - * MMU Register offsets - */ -#define MMU_REVISION 0x00 -#define MMU_SYSCONFIG 0x10 -#define MMU_SYSSTATUS 0x14 -#define MMU_IRQSTATUS 0x18 -#define MMU_IRQENABLE 0x1c -#define MMU_WALKING_ST 0x40 -#define MMU_CNTL 0x44 -#define MMU_FAULT_AD 0x48 -#define MMU_TTB 0x4c -#define MMU_LOCK 0x50 -#define MMU_LD_TLB 0x54 -#define MMU_CAM 0x58 -#define MMU_RAM 0x5c -#define MMU_GFLUSH 0x60 -#define MMU_FLUSH_ENTRY 0x64 -#define MMU_READ_CAM 0x68 -#define MMU_READ_RAM 0x6c -#define MMU_EMU_FAULT_AD 0x70 - -#define MMU_REG_SIZE 256 - -/* - * MMU Register bit definitions - */ -#define MMU_LOCK_BASE_SHIFT 10 -#define MMU_LOCK_BASE_MASK (0x1f << MMU_LOCK_BASE_SHIFT) -#define MMU_LOCK_BASE(x) \ - ((x & MMU_LOCK_BASE_MASK) >> MMU_LOCK_BASE_SHIFT) - -#define MMU_LOCK_VICT_SHIFT 4 -#define MMU_LOCK_VICT_MASK (0x1f << MMU_LOCK_VICT_SHIFT) -#define MMU_LOCK_VICT(x) \ - ((x & MMU_LOCK_VICT_MASK) >> MMU_LOCK_VICT_SHIFT) - -#define MMU_CAM_VATAG_SHIFT 12 -#define MMU_CAM_VATAG_MASK \ - ((~0UL >> MMU_CAM_VATAG_SHIFT) << MMU_CAM_VATAG_SHIFT) -#define MMU_CAM_P (1 << 3) -#define MMU_CAM_V (1 << 2) -#define MMU_CAM_PGSZ_MASK 3 -#define MMU_CAM_PGSZ_1M (0 << 0) -#define MMU_CAM_PGSZ_64K (1 << 0) -#define MMU_CAM_PGSZ_4K (2 << 0) -#define MMU_CAM_PGSZ_16M (3 << 0) - -#define MMU_RAM_PADDR_SHIFT 12 -#define MMU_RAM_PADDR_MASK \ - ((~0UL >> MMU_RAM_PADDR_SHIFT) << MMU_RAM_PADDR_SHIFT) -#define MMU_RAM_ENDIAN_SHIFT 9 -#define MMU_RAM_ENDIAN_MASK (1 << MMU_RAM_ENDIAN_SHIFT) -#define MMU_RAM_ENDIAN_BIG (1 << MMU_RAM_ENDIAN_SHIFT) -#define MMU_RAM_ENDIAN_LITTLE (0 << MMU_RAM_ENDIAN_SHIFT) -#define MMU_RAM_ELSZ_SHIFT 7 -#define MMU_RAM_ELSZ_MASK (3 << MMU_RAM_ELSZ_SHIFT) -#define MMU_RAM_ELSZ_8 (0 << MMU_RAM_ELSZ_SHIFT) -#define MMU_RAM_ELSZ_16 (1 << MMU_RAM_ELSZ_SHIFT) -#define MMU_RAM_ELSZ_32 (2 << MMU_RAM_ELSZ_SHIFT) -#define MMU_RAM_ELSZ_NONE (3 << MMU_RAM_ELSZ_SHIFT) -#define MMU_RAM_MIXED_SHIFT 6 -#define MMU_RAM_MIXED_MASK (1 << MMU_RAM_MIXED_SHIFT) -#define MMU_RAM_MIXED MMU_RAM_MIXED_MASK - -/* - * register accessors - */ -static inline u32 iommu_read_reg(struct iommu *obj, size_t offs) -{ - return __raw_readl(obj->regbase + offs); -} - -static inline void iommu_write_reg(struct iommu *obj, u32 val, size_t offs) -{ - __raw_writel(val, obj->regbase + offs); -} - -#endif /* __MACH_IOMMU2_H */ diff --git a/arch/arm/plat-omap/include/plat/iovmm.h b/arch/arm/plat-omap/include/plat/iovmm.h deleted file mode 100644 index bdc7ce5d7a4..00000000000 --- a/arch/arm/plat-omap/include/plat/iovmm.h +++ /dev/null @@ -1,94 +0,0 @@ -/* - * omap iommu: simple virtual address space management - * - * Copyright (C) 2008-2009 Nokia Corporation - * - * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __IOMMU_MMAP_H -#define __IOMMU_MMAP_H - -struct iovm_struct { - struct iommu *iommu; /* iommu object which this belongs to */ - u32 da_start; /* area definition */ - u32 da_end; - u32 flags; /* IOVMF_: see below */ - struct list_head list; /* linked in ascending order */ - const struct sg_table *sgt; /* keep 'page' <-> 'da' mapping */ - void *va; /* mpu side mapped address */ -}; - -/* - * IOVMF_FLAGS: attribute for iommu virtual memory area(iovma) - * - * lower 16 bit is used for h/w and upper 16 bit is for s/w. - */ -#define IOVMF_SW_SHIFT 16 -#define IOVMF_HW_SIZE (1 << IOVMF_SW_SHIFT) -#define IOVMF_HW_MASK (IOVMF_HW_SIZE - 1) -#define IOVMF_SW_MASK (~IOVMF_HW_MASK)UL - -/* - * iovma: h/w flags derived from cam and ram attribute - */ -#define IOVMF_CAM_MASK (~((1 << 10) - 1)) -#define IOVMF_RAM_MASK (~IOVMF_CAM_MASK) - -#define IOVMF_PGSZ_MASK (3 << 0) -#define IOVMF_PGSZ_1M MMU_CAM_PGSZ_1M -#define IOVMF_PGSZ_64K MMU_CAM_PGSZ_64K -#define IOVMF_PGSZ_4K MMU_CAM_PGSZ_4K -#define IOVMF_PGSZ_16M MMU_CAM_PGSZ_16M - -#define IOVMF_ENDIAN_MASK (1 << 9) -#define IOVMF_ENDIAN_BIG MMU_RAM_ENDIAN_BIG -#define IOVMF_ENDIAN_LITTLE MMU_RAM_ENDIAN_LITTLE - -#define IOVMF_ELSZ_MASK (3 << 7) -#define IOVMF_ELSZ_8 MMU_RAM_ELSZ_8 -#define IOVMF_ELSZ_16 MMU_RAM_ELSZ_16 -#define IOVMF_ELSZ_32 MMU_RAM_ELSZ_32 -#define IOVMF_ELSZ_NONE MMU_RAM_ELSZ_NONE - -#define IOVMF_MIXED_MASK (1 << 6) -#define IOVMF_MIXED MMU_RAM_MIXED - -/* - * iovma: s/w flags, used for mapping and umapping internally. - */ -#define IOVMF_MMIO (1 << IOVMF_SW_SHIFT) -#define IOVMF_ALLOC (2 << IOVMF_SW_SHIFT) -#define IOVMF_ALLOC_MASK (3 << IOVMF_SW_SHIFT) - -/* "superpages" is supported just with physically linear pages */ -#define IOVMF_DISCONT (1 << (2 + IOVMF_SW_SHIFT)) -#define IOVMF_LINEAR (2 << (2 + IOVMF_SW_SHIFT)) -#define IOVMF_LINEAR_MASK (3 << (2 + IOVMF_SW_SHIFT)) - -#define IOVMF_DA_FIXED (1 << (4 + IOVMF_SW_SHIFT)) -#define IOVMF_DA_ANON (2 << (4 + IOVMF_SW_SHIFT)) -#define IOVMF_DA_MASK (3 << (4 + IOVMF_SW_SHIFT)) - - -extern struct iovm_struct *find_iovm_area(struct iommu *obj, u32 da); -extern u32 iommu_vmap(struct iommu *obj, u32 da, - const struct sg_table *sgt, u32 flags); -extern struct sg_table *iommu_vunmap(struct iommu *obj, u32 da); -extern u32 iommu_vmalloc(struct iommu *obj, u32 da, size_t bytes, - u32 flags); -extern void iommu_vfree(struct iommu *obj, const u32 da); -extern u32 iommu_kmap(struct iommu *obj, u32 da, u32 pa, size_t bytes, - u32 flags); -extern void iommu_kunmap(struct iommu *obj, u32 da); -extern u32 iommu_kmalloc(struct iommu *obj, u32 da, size_t bytes, - u32 flags); -extern void iommu_kfree(struct iommu *obj, u32 da); - -extern void *da_to_va(struct iommu *obj, u32 da); - -#endif /* __IOMMU_MMAP_H */ diff --git a/arch/arm/plat-omap/include/plat/irda.h b/arch/arm/plat-omap/include/plat/irda.h deleted file mode 100644 index 40f60339d1c..00000000000 --- a/arch/arm/plat-omap/include/plat/irda.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/irda.h - * - * Copyright (C) 2005-2006 Komal Shah <komal_shah802003@yahoo.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef ASMARM_ARCH_IRDA_H -#define ASMARM_ARCH_IRDA_H - -/* board specific transceiver capabilities */ - -#define IR_SEL 1 /* Selects IrDA */ -#define IR_SIRMODE 2 -#define IR_FIRMODE 4 -#define IR_MIRMODE 8 - -struct omap_irda_config { - int transceiver_cap; - int (*transceiver_mode)(struct device *dev, int mode); - int (*select_irda)(struct device *dev, int state); - int rx_channel; - int tx_channel; - unsigned long dest_start; - unsigned long src_start; - int tx_trigger; - int rx_trigger; - int mode; -}; - -#endif diff --git a/arch/arm/plat-omap/include/plat/irqs-44xx.h b/arch/arm/plat-omap/include/plat/irqs-44xx.h deleted file mode 100644 index 518322c8011..00000000000 --- a/arch/arm/plat-omap/include/plat/irqs-44xx.h +++ /dev/null @@ -1,144 +0,0 @@ -/* - * OMAP4 Interrupt lines definitions - * - * Copyright (C) 2009-2010 Texas Instruments, Inc. - * - * Santosh Shilimkar (santosh.shilimkar@ti.com) - * Benoit Cousson (b-cousson@ti.com) - * - * This file is automatically generated from the OMAP hardware databases. - * We respectfully ask that any modifications to this file be coordinated - * with the public linux-omap@vger.kernel.org mailing list and the - * authors above to ensure that the autogeneration scripts are kept - * up-to-date with the file contents. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ARCH_ARM_MACH_OMAP2_OMAP44XX_IRQS_H -#define __ARCH_ARM_MACH_OMAP2_OMAP44XX_IRQS_H - -/* OMAP44XX IRQs numbers definitions */ -#define OMAP44XX_IRQ_LOCALTIMER 29 -#define OMAP44XX_IRQ_LOCALWDT 30 - -#define OMAP44XX_IRQ_GIC_START 32 - -#define OMAP44XX_IRQ_PL310 (0 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_CTI0 (1 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_CTI1 (2 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_ELM (4 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SYS_1N (7 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SECURITY_EVENTS (8 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_L3_DBG (9 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_L3_APP (10 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_PRCM (11 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SDMA_0 (12 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SDMA_1 (13 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SDMA_2 (14 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SDMA_3 (15 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MCBSP4 (16 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MCBSP1 (17 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SR_MCU (18 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SR_CORE (19 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPMC (20 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GFX (21 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MCBSP2 (22 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MCBSP3 (23 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_ISS_5 (24 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_DSS_DISPC (25 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MAIL_U0 (26 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_C2C_SSCM_0 (27 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_TESLA_MMU (28 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPIO1 (29 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPIO2 (30 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPIO3 (31 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPIO4 (32 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPIO5 (33 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPIO6 (34 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_USIM (35 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_WDT3 (36 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT1 (37 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT2 (38 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT3 (39 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT4 (40 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT5 (41 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT6 (42 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT7 (43 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT8 (44 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT9 (45 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT10 (46 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT11 (47 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SPI4 (48 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SHA1_S (49 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_FPKA_SINTREQUEST_S (50 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SHA1_P (51 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_RNG (52 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_DSS_DSI1 (53 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_I2C1 (56 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_I2C2 (57 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_HDQ (58 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MMC5 (59 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_I2C3 (61 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_I2C4 (62 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_AES2_S (63 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_AES2_P (64 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SPI1 (65 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SPI2 (66 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_HSI_P1 (67 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_HSI_P2 (68 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_FDIF_3 (69 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_UART4 (70 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_HSI_DMA (71 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_UART1 (72 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_UART2 (73 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_UART3 (74 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_PBIAS (75 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_OHCI (76 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_EHCI (77 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_TLL (78 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_AES1_S (79 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_WDT2 (80 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_DES_S (81 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_DES_P (82 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MMC1 (83 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_DSS_DSI2 (84 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_AES1_P (85 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MMC2 (86 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MPU_ICR (87 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_C2C_SSCM_1 (88 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_FSUSB (89 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_FSUSB_SMI (90 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SPI3 (91 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_HS_USB_MC_N (92 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_HS_USB_DMA_N (93 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MMC3 (94 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_GPT12 (95 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MMC4 (96 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SLIMBUS1 (97 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SLIMBUS2 (98 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_ABE (99 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_DUCATI_MMU (100 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_DSS_HDMI (101 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SR_IVA (102 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_IVA_HD_POSYNCITRPEND_1 (103 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_IVA_HD_POSYNCITRPEND_0 (104 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_IVA_HD_POMBINTRPEND_0 (107 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MCASP1_AR (108 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MCASP1_AX (109 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_EMIF4_1 (110 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_EMIF4_2 (111 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_MCPDM (112 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_DMM (113 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_DMIC (114 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_CDMA_0 (115 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_CDMA_1 (116 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_CDMA_2 (117 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_CDMA_3 (118 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_SYS_2N (119 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_KBD_CTL (120 + OMAP44XX_IRQ_GIC_START) -#define OMAP44XX_IRQ_UNIPRO1 (124 + OMAP44XX_IRQ_GIC_START) - -#endif diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h deleted file mode 100644 index 2910de921c5..00000000000 --- a/arch/arm/plat-omap/include/plat/irqs.h +++ /dev/null @@ -1,437 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/irqs.h - * - * Copyright (C) Greg Lonnon 2001 - * Updated for OMAP-1610 by Tony Lindgren <tony@atomide.com> - * - * Copyright (C) 2009 Texas Instruments - * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * NOTE: The interrupt vectors for the OMAP-1509, OMAP-1510, and OMAP-1610 - * are different. - */ - -#ifndef __ASM_ARCH_OMAP15XX_IRQS_H -#define __ASM_ARCH_OMAP15XX_IRQS_H - -/* All OMAP4 specific defines are moved to irqs-44xx.h */ -#include "irqs-44xx.h" - -/* - * IRQ numbers for interrupt handler 1 - * - * NOTE: See also the OMAP-1510 and 1610 specific IRQ numbers below - * - */ -#define INT_CAMERA 1 -#define INT_FIQ 3 -#define INT_RTDX 6 -#define INT_DSP_MMU_ABORT 7 -#define INT_HOST 8 -#define INT_ABORT 9 -#define INT_BRIDGE_PRIV 13 -#define INT_GPIO_BANK1 14 -#define INT_UART3 15 -#define INT_TIMER3 16 -#define INT_DMA_CH0_6 19 -#define INT_DMA_CH1_7 20 -#define INT_DMA_CH2_8 21 -#define INT_DMA_CH3 22 -#define INT_DMA_CH4 23 -#define INT_DMA_CH5 24 -#define INT_DMA_LCD 25 -#define INT_TIMER1 26 -#define INT_WD_TIMER 27 -#define INT_BRIDGE_PUB 28 -#define INT_TIMER2 30 -#define INT_LCD_CTRL 31 - -/* - * OMAP-1510 specific IRQ numbers for interrupt handler 1 - */ -#define INT_1510_IH2_IRQ 0 -#define INT_1510_RES2 2 -#define INT_1510_SPI_TX 4 -#define INT_1510_SPI_RX 5 -#define INT_1510_DSP_MAILBOX1 10 -#define INT_1510_DSP_MAILBOX2 11 -#define INT_1510_RES12 12 -#define INT_1510_LB_MMU 17 -#define INT_1510_RES18 18 -#define INT_1510_LOCAL_BUS 29 - -/* - * OMAP-1610 specific IRQ numbers for interrupt handler 1 - */ -#define INT_1610_IH2_IRQ INT_1510_IH2_IRQ -#define INT_1610_IH2_FIQ 2 -#define INT_1610_McBSP2_TX 4 -#define INT_1610_McBSP2_RX 5 -#define INT_1610_DSP_MAILBOX1 10 -#define INT_1610_DSP_MAILBOX2 11 -#define INT_1610_LCD_LINE 12 -#define INT_1610_GPTIMER1 17 -#define INT_1610_GPTIMER2 18 -#define INT_1610_SSR_FIFO_0 29 - -/* - * OMAP-7xx specific IRQ numbers for interrupt handler 1 - */ -#define INT_7XX_IH2_FIQ 0 -#define INT_7XX_IH2_IRQ 1 -#define INT_7XX_USB_NON_ISO 2 -#define INT_7XX_USB_ISO 3 -#define INT_7XX_ICR 4 -#define INT_7XX_EAC 5 -#define INT_7XX_GPIO_BANK1 6 -#define INT_7XX_GPIO_BANK2 7 -#define INT_7XX_GPIO_BANK3 8 -#define INT_7XX_McBSP2TX 10 -#define INT_7XX_McBSP2RX 11 -#define INT_7XX_McBSP2RX_OVF 12 -#define INT_7XX_LCD_LINE 14 -#define INT_7XX_GSM_PROTECT 15 -#define INT_7XX_TIMER3 16 -#define INT_7XX_GPIO_BANK5 17 -#define INT_7XX_GPIO_BANK6 18 -#define INT_7XX_SPGIO_WR 29 - -/* - * IRQ numbers for interrupt handler 2 - * - * NOTE: See also the OMAP-1510 and 1610 specific IRQ numbers below - */ -#define IH2_BASE 32 - -#define INT_KEYBOARD (1 + IH2_BASE) -#define INT_uWireTX (2 + IH2_BASE) -#define INT_uWireRX (3 + IH2_BASE) -#define INT_I2C (4 + IH2_BASE) -#define INT_MPUIO (5 + IH2_BASE) -#define INT_USB_HHC_1 (6 + IH2_BASE) -#define INT_McBSP3TX (10 + IH2_BASE) -#define INT_McBSP3RX (11 + IH2_BASE) -#define INT_McBSP1TX (12 + IH2_BASE) -#define INT_McBSP1RX (13 + IH2_BASE) -#define INT_UART1 (14 + IH2_BASE) -#define INT_UART2 (15 + IH2_BASE) -#define INT_BT_MCSI1TX (16 + IH2_BASE) -#define INT_BT_MCSI1RX (17 + IH2_BASE) -#define INT_SOSSI_MATCH (19 + IH2_BASE) -#define INT_USB_W2FC (20 + IH2_BASE) -#define INT_1WIRE (21 + IH2_BASE) -#define INT_OS_TIMER (22 + IH2_BASE) -#define INT_MMC (23 + IH2_BASE) -#define INT_GAUGE_32K (24 + IH2_BASE) -#define INT_RTC_TIMER (25 + IH2_BASE) -#define INT_RTC_ALARM (26 + IH2_BASE) -#define INT_MEM_STICK (27 + IH2_BASE) - -/* - * OMAP-1510 specific IRQ numbers for interrupt handler 2 - */ -#define INT_1510_DSP_MMU (28 + IH2_BASE) -#define INT_1510_COM_SPI_RO (31 + IH2_BASE) - -/* - * OMAP-1610 specific IRQ numbers for interrupt handler 2 - */ -#define INT_1610_FAC (0 + IH2_BASE) -#define INT_1610_USB_HHC_2 (7 + IH2_BASE) -#define INT_1610_USB_OTG (8 + IH2_BASE) -#define INT_1610_SoSSI (9 + IH2_BASE) -#define INT_1610_SoSSI_MATCH (19 + IH2_BASE) -#define INT_1610_DSP_MMU (28 + IH2_BASE) -#define INT_1610_McBSP2RX_OF (31 + IH2_BASE) -#define INT_1610_STI (32 + IH2_BASE) -#define INT_1610_STI_WAKEUP (33 + IH2_BASE) -#define INT_1610_GPTIMER3 (34 + IH2_BASE) -#define INT_1610_GPTIMER4 (35 + IH2_BASE) -#define INT_1610_GPTIMER5 (36 + IH2_BASE) -#define INT_1610_GPTIMER6 (37 + IH2_BASE) -#define INT_1610_GPTIMER7 (38 + IH2_BASE) -#define INT_1610_GPTIMER8 (39 + IH2_BASE) -#define INT_1610_GPIO_BANK2 (40 + IH2_BASE) -#define INT_1610_GPIO_BANK3 (41 + IH2_BASE) -#define INT_1610_MMC2 (42 + IH2_BASE) -#define INT_1610_CF (43 + IH2_BASE) -#define INT_1610_WAKE_UP_REQ (46 + IH2_BASE) -#define INT_1610_GPIO_BANK4 (48 + IH2_BASE) -#define INT_1610_SPI (49 + IH2_BASE) -#define INT_1610_DMA_CH6 (53 + IH2_BASE) -#define INT_1610_DMA_CH7 (54 + IH2_BASE) -#define INT_1610_DMA_CH8 (55 + IH2_BASE) -#define INT_1610_DMA_CH9 (56 + IH2_BASE) -#define INT_1610_DMA_CH10 (57 + IH2_BASE) -#define INT_1610_DMA_CH11 (58 + IH2_BASE) -#define INT_1610_DMA_CH12 (59 + IH2_BASE) -#define INT_1610_DMA_CH13 (60 + IH2_BASE) -#define INT_1610_DMA_CH14 (61 + IH2_BASE) -#define INT_1610_DMA_CH15 (62 + IH2_BASE) -#define INT_1610_NAND (63 + IH2_BASE) -#define INT_1610_SHA1MD5 (91 + IH2_BASE) - -/* - * OMAP-7xx specific IRQ numbers for interrupt handler 2 - */ -#define INT_7XX_HW_ERRORS (0 + IH2_BASE) -#define INT_7XX_NFIQ_PWR_FAIL (1 + IH2_BASE) -#define INT_7XX_CFCD (2 + IH2_BASE) -#define INT_7XX_CFIREQ (3 + IH2_BASE) -#define INT_7XX_I2C (4 + IH2_BASE) -#define INT_7XX_PCC (5 + IH2_BASE) -#define INT_7XX_MPU_EXT_NIRQ (6 + IH2_BASE) -#define INT_7XX_SPI_100K_1 (7 + IH2_BASE) -#define INT_7XX_SYREN_SPI (8 + IH2_BASE) -#define INT_7XX_VLYNQ (9 + IH2_BASE) -#define INT_7XX_GPIO_BANK4 (10 + IH2_BASE) -#define INT_7XX_McBSP1TX (11 + IH2_BASE) -#define INT_7XX_McBSP1RX (12 + IH2_BASE) -#define INT_7XX_McBSP1RX_OF (13 + IH2_BASE) -#define INT_7XX_UART_MODEM_IRDA_2 (14 + IH2_BASE) -#define INT_7XX_UART_MODEM_1 (15 + IH2_BASE) -#define INT_7XX_MCSI (16 + IH2_BASE) -#define INT_7XX_uWireTX (17 + IH2_BASE) -#define INT_7XX_uWireRX (18 + IH2_BASE) -#define INT_7XX_SMC_CD (19 + IH2_BASE) -#define INT_7XX_SMC_IREQ (20 + IH2_BASE) -#define INT_7XX_HDQ_1WIRE (21 + IH2_BASE) -#define INT_7XX_TIMER32K (22 + IH2_BASE) -#define INT_7XX_MMC_SDIO (23 + IH2_BASE) -#define INT_7XX_UPLD (24 + IH2_BASE) -#define INT_7XX_USB_HHC_1 (27 + IH2_BASE) -#define INT_7XX_USB_HHC_2 (28 + IH2_BASE) -#define INT_7XX_USB_GENI (29 + IH2_BASE) -#define INT_7XX_USB_OTG (30 + IH2_BASE) -#define INT_7XX_CAMERA_IF (31 + IH2_BASE) -#define INT_7XX_RNG (32 + IH2_BASE) -#define INT_7XX_DUAL_MODE_TIMER (33 + IH2_BASE) -#define INT_7XX_DBB_RF_EN (34 + IH2_BASE) -#define INT_7XX_MPUIO_KEYPAD (35 + IH2_BASE) -#define INT_7XX_SHA1_MD5 (36 + IH2_BASE) -#define INT_7XX_SPI_100K_2 (37 + IH2_BASE) -#define INT_7XX_RNG_IDLE (38 + IH2_BASE) -#define INT_7XX_MPUIO (39 + IH2_BASE) -#define INT_7XX_LLPC_LCD_CTRL_CAN_BE_OFF (40 + IH2_BASE) -#define INT_7XX_LLPC_OE_FALLING (41 + IH2_BASE) -#define INT_7XX_LLPC_OE_RISING (42 + IH2_BASE) -#define INT_7XX_LLPC_VSYNC (43 + IH2_BASE) -#define INT_7XX_WAKE_UP_REQ (46 + IH2_BASE) -#define INT_7XX_DMA_CH6 (53 + IH2_BASE) -#define INT_7XX_DMA_CH7 (54 + IH2_BASE) -#define INT_7XX_DMA_CH8 (55 + IH2_BASE) -#define INT_7XX_DMA_CH9 (56 + IH2_BASE) -#define INT_7XX_DMA_CH10 (57 + IH2_BASE) -#define INT_7XX_DMA_CH11 (58 + IH2_BASE) -#define INT_7XX_DMA_CH12 (59 + IH2_BASE) -#define INT_7XX_DMA_CH13 (60 + IH2_BASE) -#define INT_7XX_DMA_CH14 (61 + IH2_BASE) -#define INT_7XX_DMA_CH15 (62 + IH2_BASE) -#define INT_7XX_NAND (63 + IH2_BASE) - -#define INT_24XX_SYS_NIRQ 7 -#define INT_24XX_SDMA_IRQ0 12 -#define INT_24XX_SDMA_IRQ1 13 -#define INT_24XX_SDMA_IRQ2 14 -#define INT_24XX_SDMA_IRQ3 15 -#define INT_24XX_CAM_IRQ 24 -#define INT_24XX_DSS_IRQ 25 -#define INT_24XX_MAIL_U0_MPU 26 -#define INT_24XX_DSP_UMA 27 -#define INT_24XX_DSP_MMU 28 -#define INT_24XX_GPIO_BANK1 29 -#define INT_24XX_GPIO_BANK2 30 -#define INT_24XX_GPIO_BANK3 31 -#define INT_24XX_GPIO_BANK4 32 -#define INT_24XX_GPIO_BANK5 33 -#define INT_24XX_MAIL_U3_MPU 34 -#define INT_24XX_GPTIMER1 37 -#define INT_24XX_GPTIMER2 38 -#define INT_24XX_GPTIMER3 39 -#define INT_24XX_GPTIMER4 40 -#define INT_24XX_GPTIMER5 41 -#define INT_24XX_GPTIMER6 42 -#define INT_24XX_GPTIMER7 43 -#define INT_24XX_GPTIMER8 44 -#define INT_24XX_GPTIMER9 45 -#define INT_24XX_GPTIMER10 46 -#define INT_24XX_GPTIMER11 47 -#define INT_24XX_GPTIMER12 48 -#define INT_24XX_SHA1MD5 51 -#define INT_24XX_MCBSP4_IRQ_TX 54 -#define INT_24XX_MCBSP4_IRQ_RX 55 -#define INT_24XX_I2C1_IRQ 56 -#define INT_24XX_I2C2_IRQ 57 -#define INT_24XX_HDQ_IRQ 58 -#define INT_24XX_MCBSP1_IRQ_TX 59 -#define INT_24XX_MCBSP1_IRQ_RX 60 -#define INT_24XX_MCBSP2_IRQ_TX 62 -#define INT_24XX_MCBSP2_IRQ_RX 63 -#define INT_24XX_SPI1_IRQ 65 -#define INT_24XX_SPI2_IRQ 66 -#define INT_24XX_UART1_IRQ 72 -#define INT_24XX_UART2_IRQ 73 -#define INT_24XX_UART3_IRQ 74 -#define INT_24XX_USB_IRQ_GEN 75 -#define INT_24XX_USB_IRQ_NISO 76 -#define INT_24XX_USB_IRQ_ISO 77 -#define INT_24XX_USB_IRQ_HGEN 78 -#define INT_24XX_USB_IRQ_HSOF 79 -#define INT_24XX_USB_IRQ_OTG 80 -#define INT_24XX_MCBSP5_IRQ_TX 81 -#define INT_24XX_MCBSP5_IRQ_RX 82 -#define INT_24XX_MMC_IRQ 83 -#define INT_24XX_MMC2_IRQ 86 -#define INT_24XX_MCBSP3_IRQ_TX 89 -#define INT_24XX_MCBSP3_IRQ_RX 90 -#define INT_24XX_SPI3_IRQ 91 - -#define INT_243X_MCBSP2_IRQ 16 -#define INT_243X_MCBSP3_IRQ 17 -#define INT_243X_MCBSP4_IRQ 18 -#define INT_243X_MCBSP5_IRQ 19 -#define INT_243X_MCBSP1_IRQ 64 -#define INT_243X_HS_USB_MC 92 -#define INT_243X_HS_USB_DMA 93 -#define INT_243X_CARKIT_IRQ 94 - -#define INT_34XX_BENCH_MPU_EMUL 3 -#define INT_34XX_ST_MCBSP2_IRQ 4 -#define INT_34XX_ST_MCBSP3_IRQ 5 -#define INT_34XX_SSM_ABORT_IRQ 6 -#define INT_34XX_SYS_NIRQ 7 -#define INT_34XX_D2D_FW_IRQ 8 -#define INT_34XX_PRCM_MPU_IRQ 11 -#define INT_34XX_MCBSP1_IRQ 16 -#define INT_34XX_MCBSP2_IRQ 17 -#define INT_34XX_MCBSP3_IRQ 22 -#define INT_34XX_MCBSP4_IRQ 23 -#define INT_34XX_CAM_IRQ 24 -#define INT_34XX_MCBSP5_IRQ 27 -#define INT_34XX_GPIO_BANK1 29 -#define INT_34XX_GPIO_BANK2 30 -#define INT_34XX_GPIO_BANK3 31 -#define INT_34XX_GPIO_BANK4 32 -#define INT_34XX_GPIO_BANK5 33 -#define INT_34XX_GPIO_BANK6 34 -#define INT_34XX_USIM_IRQ 35 -#define INT_34XX_WDT3_IRQ 36 -#define INT_34XX_SPI4_IRQ 48 -#define INT_34XX_SHA1MD52_IRQ 49 -#define INT_34XX_FPKA_READY_IRQ 50 -#define INT_34XX_SHA1MD51_IRQ 51 -#define INT_34XX_RNG_IRQ 52 -#define INT_34XX_I2C3_IRQ 61 -#define INT_34XX_FPKA_ERROR_IRQ 64 -#define INT_34XX_PBIAS_IRQ 75 -#define INT_34XX_OHCI_IRQ 76 -#define INT_34XX_EHCI_IRQ 77 -#define INT_34XX_TLL_IRQ 78 -#define INT_34XX_PARTHASH_IRQ 79 -#define INT_34XX_MMC3_IRQ 94 -#define INT_34XX_GPT12_IRQ 95 - -#define INT_36XX_UART4_IRQ 80 - -#define INT_35XX_HECC0_IRQ 24 -#define INT_35XX_HECC1_IRQ 28 -#define INT_35XX_EMAC_C0_RXTHRESH_IRQ 67 -#define INT_35XX_EMAC_C0_RX_PULSE_IRQ 68 -#define INT_35XX_EMAC_C0_TX_PULSE_IRQ 69 -#define INT_35XX_EMAC_C0_MISC_PULSE_IRQ 70 -#define INT_35XX_USBOTG_IRQ 71 -#define INT_35XX_CCDC_VD0_IRQ 88 -#define INT_35XX_CCDC_VD1_IRQ 92 -#define INT_35XX_CCDC_VD2_IRQ 93 - -/* Max. 128 level 2 IRQs (OMAP1610), 192 GPIOs (OMAP730/850) and - * 16 MPUIO lines */ -#define OMAP_MAX_GPIO_LINES 192 -#define IH_GPIO_BASE (128 + IH2_BASE) -#define IH_MPUIO_BASE (OMAP_MAX_GPIO_LINES + IH_GPIO_BASE) -#define OMAP_IRQ_END (IH_MPUIO_BASE + 16) - -/* External FPGA handles interrupts on Innovator boards */ -#define OMAP_FPGA_IRQ_BASE (OMAP_IRQ_END) -#ifdef CONFIG_MACH_OMAP_INNOVATOR -#define OMAP_FPGA_NR_IRQS 24 -#else -#define OMAP_FPGA_NR_IRQS 0 -#endif -#define OMAP_FPGA_IRQ_END (OMAP_FPGA_IRQ_BASE + OMAP_FPGA_NR_IRQS) - -/* External TWL4030 can handle interrupts on 2430 and 34xx boards */ -#define TWL4030_IRQ_BASE (OMAP_FPGA_IRQ_END) -#ifdef CONFIG_TWL4030_CORE -#define TWL4030_BASE_NR_IRQS 8 -#define TWL4030_PWR_NR_IRQS 8 -#else -#define TWL4030_BASE_NR_IRQS 0 -#define TWL4030_PWR_NR_IRQS 0 -#endif -#define TWL4030_IRQ_END (TWL4030_IRQ_BASE + TWL4030_BASE_NR_IRQS) -#define TWL4030_PWR_IRQ_BASE TWL4030_IRQ_END -#define TWL4030_PWR_IRQ_END (TWL4030_PWR_IRQ_BASE + TWL4030_PWR_NR_IRQS) - -/* External TWL4030 gpio interrupts are optional */ -#define TWL4030_GPIO_IRQ_BASE TWL4030_PWR_IRQ_END -#ifdef CONFIG_GPIO_TWL4030 -#define TWL4030_GPIO_NR_IRQS 18 -#else -#define TWL4030_GPIO_NR_IRQS 0 -#endif -#define TWL4030_GPIO_IRQ_END (TWL4030_GPIO_IRQ_BASE + TWL4030_GPIO_NR_IRQS) - -#define TWL6030_IRQ_BASE (OMAP_FPGA_IRQ_END) -#ifdef CONFIG_TWL4030_CORE -#define TWL6030_BASE_NR_IRQS 20 -#else -#define TWL6030_BASE_NR_IRQS 0 -#endif -#define TWL6030_IRQ_END (TWL6030_IRQ_BASE + TWL6030_BASE_NR_IRQS) - -/* Total number of interrupts depends on the enabled blocks above */ -#if (TWL4030_GPIO_IRQ_END > TWL6030_IRQ_END) -#define TWL_IRQ_END TWL4030_GPIO_IRQ_END -#else -#define TWL_IRQ_END TWL6030_IRQ_END -#endif - -#define NR_IRQS TWL_IRQ_END - -#define OMAP_IRQ_BIT(irq) (1 << ((irq) % 32)) - -#define INTCPS_NR_MIR_REGS 3 -#define INTCPS_NR_IRQS 96 - -#ifndef __ASSEMBLY__ -extern void omap_init_irq(void); -extern int omap_irq_pending(void); -void omap_intc_save_context(void); -void omap_intc_restore_context(void); -void omap3_intc_suspend(void); -void omap3_intc_prepare_idle(void); -void omap3_intc_resume_idle(void); -#endif - -#include <mach/hardware.h> - -#ifdef CONFIG_FIQ -#define FIQ_START 1024 -#endif - -#endif diff --git a/arch/arm/plat-omap/include/plat/keypad.h b/arch/arm/plat-omap/include/plat/keypad.h deleted file mode 100644 index 793ce9d5329..00000000000 --- a/arch/arm/plat-omap/include/plat/keypad.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/keypad.h - * - * Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef ASMARM_ARCH_KEYPAD_H -#define ASMARM_ARCH_KEYPAD_H - -#ifndef CONFIG_ARCH_OMAP1 -#warning Please update the board to use matrix-keypad driver -#endif -#include <linux/input/matrix_keypad.h> - -struct omap_kp_platform_data { - int rows; - int cols; - const struct matrix_keymap_data *keymap_data; - bool rep; - unsigned long delay; - bool dbounce; - /* specific to OMAP242x*/ - unsigned int *row_gpios; - unsigned int *col_gpios; -}; - -/* Group (0..3) -- when multiple keys are pressed, only the - * keys pressed in the same group are considered as pressed. This is - * in order to workaround certain crappy HW designs that produce ghost - * keypresses. Two free bits, not used by neither row/col nor keynum, - * must be available for use as group bits. The below GROUP_SHIFT - * macro definition is based on some prior knowledge of the - * matrix_keypad defined KEY() macro internals. - */ -#define GROUP_SHIFT 14 -#define GROUP_0 (0 << GROUP_SHIFT) -#define GROUP_1 (1 << GROUP_SHIFT) -#define GROUP_2 (2 << GROUP_SHIFT) -#define GROUP_3 (3 << GROUP_SHIFT) -#define GROUP_MASK GROUP_3 -#if KEY_MAX & GROUP_MASK -#error Group bits in conflict with keynum bits -#endif - - -#endif - diff --git a/arch/arm/plat-omap/include/plat/l4_3xxx.h b/arch/arm/plat-omap/include/plat/l4_3xxx.h deleted file mode 100644 index 5e194937542..00000000000 --- a/arch/arm/plat-omap/include/plat/l4_3xxx.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/l4_3xxx.h - L4 firewall definitions - * - * Copyright (C) 2009 Nokia Corporation - * Paul Walmsley - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - */ -#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_L4_3XXX_H -#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_L4_3XXX_H - -/* L4 CORE */ -#define OMAP3_L4_CORE_FW_I2C1_REGION 21 -#define OMAP3_L4_CORE_FW_I2C1_TA_REGION 22 -#define OMAP3_L4_CORE_FW_I2C2_REGION 23 -#define OMAP3_L4_CORE_FW_I2C2_TA_REGION 24 -#define OMAP3_L4_CORE_FW_I2C3_REGION 73 -#define OMAP3_L4_CORE_FW_I2C3_TA_REGION 74 - -#endif diff --git a/arch/arm/plat-omap/include/plat/lcd_mipid.h b/arch/arm/plat-omap/include/plat/lcd_mipid.h deleted file mode 100644 index 8e52c657228..00000000000 --- a/arch/arm/plat-omap/include/plat/lcd_mipid.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef __LCD_MIPID_H -#define __LCD_MIPID_H - -enum mipid_test_num { - MIPID_TEST_RGB_LINES, -}; - -enum mipid_test_result { - MIPID_TEST_SUCCESS, - MIPID_TEST_INVALID, - MIPID_TEST_FAILED, -}; - -#ifdef __KERNEL__ - -struct mipid_platform_data { - int nreset_gpio; - int data_lines; - - void (*shutdown)(struct mipid_platform_data *pdata); - void (*set_bklight_level)(struct mipid_platform_data *pdata, - int level); - int (*get_bklight_level)(struct mipid_platform_data *pdata); - int (*get_bklight_max)(struct mipid_platform_data *pdata); -}; - -#endif - -#endif diff --git a/arch/arm/plat-omap/include/plat/led.h b/arch/arm/plat-omap/include/plat/led.h deleted file mode 100644 index 25e451e7e2f..00000000000 --- a/arch/arm/plat-omap/include/plat/led.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/led.h - * - * Copyright (C) 2006 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef ASMARM_ARCH_LED_H -#define ASMARM_ARCH_LED_H - -struct omap_led_config { - struct led_classdev cdev; - s16 gpio; -}; - -struct omap_led_platform_data { - s16 nr_leds; - struct omap_led_config *leds; -}; - -#endif diff --git a/arch/arm/plat-omap/include/plat/mailbox.h b/arch/arm/plat-omap/include/plat/mailbox.h deleted file mode 100644 index cc3921e9059..00000000000 --- a/arch/arm/plat-omap/include/plat/mailbox.h +++ /dev/null @@ -1,105 +0,0 @@ -/* mailbox.h */ - -#ifndef MAILBOX_H -#define MAILBOX_H - -#include <linux/spinlock.h> -#include <linux/workqueue.h> -#include <linux/interrupt.h> -#include <linux/device.h> -#include <linux/kfifo.h> - -typedef u32 mbox_msg_t; -struct omap_mbox; - -typedef int __bitwise omap_mbox_irq_t; -#define IRQ_TX ((__force omap_mbox_irq_t) 1) -#define IRQ_RX ((__force omap_mbox_irq_t) 2) - -typedef int __bitwise omap_mbox_type_t; -#define OMAP_MBOX_TYPE1 ((__force omap_mbox_type_t) 1) -#define OMAP_MBOX_TYPE2 ((__force omap_mbox_type_t) 2) - -struct omap_mbox_ops { - omap_mbox_type_t type; - int (*startup)(struct omap_mbox *mbox); - void (*shutdown)(struct omap_mbox *mbox); - /* fifo */ - mbox_msg_t (*fifo_read)(struct omap_mbox *mbox); - void (*fifo_write)(struct omap_mbox *mbox, mbox_msg_t msg); - int (*fifo_empty)(struct omap_mbox *mbox); - int (*fifo_full)(struct omap_mbox *mbox); - /* irq */ - void (*enable_irq)(struct omap_mbox *mbox, - omap_mbox_irq_t irq); - void (*disable_irq)(struct omap_mbox *mbox, - omap_mbox_irq_t irq); - void (*ack_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq); - int (*is_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq); - /* ctx */ - void (*save_ctx)(struct omap_mbox *mbox); - void (*restore_ctx)(struct omap_mbox *mbox); -}; - -struct omap_mbox_queue { - spinlock_t lock; - struct kfifo fifo; - struct work_struct work; - struct tasklet_struct tasklet; - struct omap_mbox *mbox; - bool full; -}; - -struct omap_mbox { - char *name; - unsigned int irq; - struct omap_mbox_queue *txq, *rxq; - struct omap_mbox_ops *ops; - struct device *dev; - void *priv; - int use_count; - struct blocking_notifier_head notifier; -}; - -int omap_mbox_msg_send(struct omap_mbox *, mbox_msg_t msg); -void omap_mbox_init_seq(struct omap_mbox *); - -struct omap_mbox *omap_mbox_get(const char *, struct notifier_block *nb); -void omap_mbox_put(struct omap_mbox *mbox, struct notifier_block *nb); - -int omap_mbox_register(struct device *parent, struct omap_mbox **); -int omap_mbox_unregister(void); - -static inline void omap_mbox_save_ctx(struct omap_mbox *mbox) -{ - if (!mbox->ops->save_ctx) { - dev_err(mbox->dev, "%s:\tno save\n", __func__); - return; - } - - mbox->ops->save_ctx(mbox); -} - -static inline void omap_mbox_restore_ctx(struct omap_mbox *mbox) -{ - if (!mbox->ops->restore_ctx) { - dev_err(mbox->dev, "%s:\tno restore\n", __func__); - return; - } - - mbox->ops->restore_ctx(mbox); -} - -static inline void omap_mbox_enable_irq(struct omap_mbox *mbox, - omap_mbox_irq_t irq) -{ - mbox->ops->enable_irq(mbox, irq); -} - -static inline void omap_mbox_disable_irq(struct omap_mbox *mbox, - omap_mbox_irq_t irq) -{ - mbox->ops->disable_irq(mbox, irq); -} - -#endif /* MAILBOX_H */ diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h deleted file mode 100644 index b87d83ccd54..00000000000 --- a/arch/arm/plat-omap/include/plat/mcbsp.h +++ /dev/null @@ -1,559 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/mcbsp.h - * - * Defines for Multi-Channel Buffered Serial Port - * - * Copyright (C) 2002 RidgeRun, Inc. - * Author: Steve Johnson - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ -#ifndef __ASM_ARCH_OMAP_MCBSP_H -#define __ASM_ARCH_OMAP_MCBSP_H - -#include <linux/completion.h> -#include <linux/spinlock.h> - -#include <mach/hardware.h> -#include <plat/clock.h> - -/* macro for building platform_device for McBSP ports */ -#define OMAP_MCBSP_PLATFORM_DEVICE(port_nr) \ -static struct platform_device omap_mcbsp##port_nr = { \ - .name = "omap-mcbsp-dai", \ - .id = OMAP_MCBSP##port_nr, \ -} - -#define OMAP7XX_MCBSP1_BASE 0xfffb1000 -#define OMAP7XX_MCBSP2_BASE 0xfffb1800 - -#define OMAP1510_MCBSP1_BASE 0xe1011800 -#define OMAP1510_MCBSP2_BASE 0xfffb1000 -#define OMAP1510_MCBSP3_BASE 0xe1017000 - -#define OMAP1610_MCBSP1_BASE 0xe1011800 -#define OMAP1610_MCBSP2_BASE 0xfffb1000 -#define OMAP1610_MCBSP3_BASE 0xe1017000 - -#define OMAP24XX_MCBSP1_BASE 0x48074000 -#define OMAP24XX_MCBSP2_BASE 0x48076000 -#define OMAP2430_MCBSP3_BASE 0x4808c000 -#define OMAP2430_MCBSP4_BASE 0x4808e000 -#define OMAP2430_MCBSP5_BASE 0x48096000 - -#define OMAP34XX_MCBSP1_BASE 0x48074000 -#define OMAP34XX_MCBSP2_BASE 0x49022000 -#define OMAP34XX_MCBSP2_ST_BASE 0x49028000 -#define OMAP34XX_MCBSP3_BASE 0x49024000 -#define OMAP34XX_MCBSP3_ST_BASE 0x4902A000 -#define OMAP34XX_MCBSP3_BASE 0x49024000 -#define OMAP34XX_MCBSP4_BASE 0x49026000 -#define OMAP34XX_MCBSP5_BASE 0x48096000 - -#define OMAP44XX_MCBSP1_BASE 0x49022000 -#define OMAP44XX_MCBSP2_BASE 0x49024000 -#define OMAP44XX_MCBSP3_BASE 0x49026000 -#define OMAP44XX_MCBSP4_BASE 0x48096000 - -#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - -#define OMAP_MCBSP_REG_DRR2 0x00 -#define OMAP_MCBSP_REG_DRR1 0x02 -#define OMAP_MCBSP_REG_DXR2 0x04 -#define OMAP_MCBSP_REG_DXR1 0x06 -#define OMAP_MCBSP_REG_SPCR2 0x08 -#define OMAP_MCBSP_REG_SPCR1 0x0a -#define OMAP_MCBSP_REG_RCR2 0x0c -#define OMAP_MCBSP_REG_RCR1 0x0e -#define OMAP_MCBSP_REG_XCR2 0x10 -#define OMAP_MCBSP_REG_XCR1 0x12 -#define OMAP_MCBSP_REG_SRGR2 0x14 -#define OMAP_MCBSP_REG_SRGR1 0x16 -#define OMAP_MCBSP_REG_MCR2 0x18 -#define OMAP_MCBSP_REG_MCR1 0x1a -#define OMAP_MCBSP_REG_RCERA 0x1c -#define OMAP_MCBSP_REG_RCERB 0x1e -#define OMAP_MCBSP_REG_XCERA 0x20 -#define OMAP_MCBSP_REG_XCERB 0x22 -#define OMAP_MCBSP_REG_PCR0 0x24 -#define OMAP_MCBSP_REG_RCERC 0x26 -#define OMAP_MCBSP_REG_RCERD 0x28 -#define OMAP_MCBSP_REG_XCERC 0x2A -#define OMAP_MCBSP_REG_XCERD 0x2C -#define OMAP_MCBSP_REG_RCERE 0x2E -#define OMAP_MCBSP_REG_RCERF 0x30 -#define OMAP_MCBSP_REG_XCERE 0x32 -#define OMAP_MCBSP_REG_XCERF 0x34 -#define OMAP_MCBSP_REG_RCERG 0x36 -#define OMAP_MCBSP_REG_RCERH 0x38 -#define OMAP_MCBSP_REG_XCERG 0x3A -#define OMAP_MCBSP_REG_XCERH 0x3C - -/* Dummy defines, these are not available on omap1 */ -#define OMAP_MCBSP_REG_XCCR 0x00 -#define OMAP_MCBSP_REG_RCCR 0x00 - -#define AUDIO_MCBSP_DATAWRITE (OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DXR1) -#define AUDIO_MCBSP_DATAREAD (OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DRR1) - -#define AUDIO_MCBSP OMAP_MCBSP1 -#define AUDIO_DMA_TX OMAP_DMA_MCBSP1_TX -#define AUDIO_DMA_RX OMAP_DMA_MCBSP1_RX - -#else - -#define OMAP_MCBSP_REG_DRR2 0x00 -#define OMAP_MCBSP_REG_DRR1 0x04 -#define OMAP_MCBSP_REG_DXR2 0x08 -#define OMAP_MCBSP_REG_DXR1 0x0C -#define OMAP_MCBSP_REG_DRR 0x00 -#define OMAP_MCBSP_REG_DXR 0x08 -#define OMAP_MCBSP_REG_SPCR2 0x10 -#define OMAP_MCBSP_REG_SPCR1 0x14 -#define OMAP_MCBSP_REG_RCR2 0x18 -#define OMAP_MCBSP_REG_RCR1 0x1C -#define OMAP_MCBSP_REG_XCR2 0x20 -#define OMAP_MCBSP_REG_XCR1 0x24 -#define OMAP_MCBSP_REG_SRGR2 0x28 -#define OMAP_MCBSP_REG_SRGR1 0x2C -#define OMAP_MCBSP_REG_MCR2 0x30 -#define OMAP_MCBSP_REG_MCR1 0x34 -#define OMAP_MCBSP_REG_RCERA 0x38 -#define OMAP_MCBSP_REG_RCERB 0x3C -#define OMAP_MCBSP_REG_XCERA 0x40 -#define OMAP_MCBSP_REG_XCERB 0x44 -#define OMAP_MCBSP_REG_PCR0 0x48 -#define OMAP_MCBSP_REG_RCERC 0x4C -#define OMAP_MCBSP_REG_RCERD 0x50 -#define OMAP_MCBSP_REG_XCERC 0x54 -#define OMAP_MCBSP_REG_XCERD 0x58 -#define OMAP_MCBSP_REG_RCERE 0x5C -#define OMAP_MCBSP_REG_RCERF 0x60 -#define OMAP_MCBSP_REG_XCERE 0x64 -#define OMAP_MCBSP_REG_XCERF 0x68 -#define OMAP_MCBSP_REG_RCERG 0x6C -#define OMAP_MCBSP_REG_RCERH 0x70 -#define OMAP_MCBSP_REG_XCERG 0x74 -#define OMAP_MCBSP_REG_XCERH 0x78 -#define OMAP_MCBSP_REG_SYSCON 0x8C -#define OMAP_MCBSP_REG_THRSH2 0x90 -#define OMAP_MCBSP_REG_THRSH1 0x94 -#define OMAP_MCBSP_REG_IRQST 0xA0 -#define OMAP_MCBSP_REG_IRQEN 0xA4 -#define OMAP_MCBSP_REG_WAKEUPEN 0xA8 -#define OMAP_MCBSP_REG_XCCR 0xAC -#define OMAP_MCBSP_REG_RCCR 0xB0 -#define OMAP_MCBSP_REG_XBUFFSTAT 0xB4 -#define OMAP_MCBSP_REG_RBUFFSTAT 0xB8 -#define OMAP_MCBSP_REG_SSELCR 0xBC - -#define OMAP_ST_REG_REV 0x00 -#define OMAP_ST_REG_SYSCONFIG 0x10 -#define OMAP_ST_REG_IRQSTATUS 0x18 -#define OMAP_ST_REG_IRQENABLE 0x1C -#define OMAP_ST_REG_SGAINCR 0x24 -#define OMAP_ST_REG_SFIRCR 0x28 -#define OMAP_ST_REG_SSELCR 0x2C - -#define AUDIO_MCBSP_DATAWRITE (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR1) -#define AUDIO_MCBSP_DATAREAD (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR1) - -#define AUDIO_MCBSP OMAP_MCBSP2 -#define AUDIO_DMA_TX OMAP24XX_DMA_MCBSP2_TX -#define AUDIO_DMA_RX OMAP24XX_DMA_MCBSP2_RX - -#endif - -/************************** McBSP SPCR1 bit definitions ***********************/ -#define RRST 0x0001 -#define RRDY 0x0002 -#define RFULL 0x0004 -#define RSYNC_ERR 0x0008 -#define RINTM(value) ((value)<<4) /* bits 4:5 */ -#define ABIS 0x0040 -#define DXENA 0x0080 -#define CLKSTP(value) ((value)<<11) /* bits 11:12 */ -#define RJUST(value) ((value)<<13) /* bits 13:14 */ -#define ALB 0x8000 -#define DLB 0x8000 - -/************************** McBSP SPCR2 bit definitions ***********************/ -#define XRST 0x0001 -#define XRDY 0x0002 -#define XEMPTY 0x0004 -#define XSYNC_ERR 0x0008 -#define XINTM(value) ((value)<<4) /* bits 4:5 */ -#define GRST 0x0040 -#define FRST 0x0080 -#define SOFT 0x0100 -#define FREE 0x0200 - -/************************** McBSP PCR bit definitions *************************/ -#define CLKRP 0x0001 -#define CLKXP 0x0002 -#define FSRP 0x0004 -#define FSXP 0x0008 -#define DR_STAT 0x0010 -#define DX_STAT 0x0020 -#define CLKS_STAT 0x0040 -#define SCLKME 0x0080 -#define CLKRM 0x0100 -#define CLKXM 0x0200 -#define FSRM 0x0400 -#define FSXM 0x0800 -#define RIOEN 0x1000 -#define XIOEN 0x2000 -#define IDLE_EN 0x4000 - -/************************** McBSP RCR1 bit definitions ************************/ -#define RWDLEN1(value) ((value)<<5) /* Bits 5:7 */ -#define RFRLEN1(value) ((value)<<8) /* Bits 8:14 */ - -/************************** McBSP XCR1 bit definitions ************************/ -#define XWDLEN1(value) ((value)<<5) /* Bits 5:7 */ -#define XFRLEN1(value) ((value)<<8) /* Bits 8:14 */ - -/*************************** McBSP RCR2 bit definitions ***********************/ -#define RDATDLY(value) (value) /* Bits 0:1 */ -#define RFIG 0x0004 -#define RCOMPAND(value) ((value)<<3) /* Bits 3:4 */ -#define RWDLEN2(value) ((value)<<5) /* Bits 5:7 */ -#define RFRLEN2(value) ((value)<<8) /* Bits 8:14 */ -#define RPHASE 0x8000 - -/*************************** McBSP XCR2 bit definitions ***********************/ -#define XDATDLY(value) (value) /* Bits 0:1 */ -#define XFIG 0x0004 -#define XCOMPAND(value) ((value)<<3) /* Bits 3:4 */ -#define XWDLEN2(value) ((value)<<5) /* Bits 5:7 */ -#define XFRLEN2(value) ((value)<<8) /* Bits 8:14 */ -#define XPHASE 0x8000 - -/************************* McBSP SRGR1 bit definitions ************************/ -#define CLKGDV(value) (value) /* Bits 0:7 */ -#define FWID(value) ((value)<<8) /* Bits 8:15 */ - -/************************* McBSP SRGR2 bit definitions ************************/ -#define FPER(value) (value) /* Bits 0:11 */ -#define FSGM 0x1000 -#define CLKSM 0x2000 -#define CLKSP 0x4000 -#define GSYNC 0x8000 - -/************************* McBSP MCR1 bit definitions *************************/ -#define RMCM 0x0001 -#define RCBLK(value) ((value)<<2) /* Bits 2:4 */ -#define RPABLK(value) ((value)<<5) /* Bits 5:6 */ -#define RPBBLK(value) ((value)<<7) /* Bits 7:8 */ - -/************************* McBSP MCR2 bit definitions *************************/ -#define XMCM(value) (value) /* Bits 0:1 */ -#define XCBLK(value) ((value)<<2) /* Bits 2:4 */ -#define XPABLK(value) ((value)<<5) /* Bits 5:6 */ -#define XPBBLK(value) ((value)<<7) /* Bits 7:8 */ - -/*********************** McBSP XCCR bit definitions *************************/ -#define EXTCLKGATE 0x8000 -#define PPCONNECT 0x4000 -#define DXENDLY(value) ((value)<<12) /* Bits 12:13 */ -#define XFULL_CYCLE 0x0800 -#define DILB 0x0020 -#define XDMAEN 0x0008 -#define XDISABLE 0x0001 - -/********************** McBSP RCCR bit definitions *************************/ -#define RFULL_CYCLE 0x0800 -#define RDMAEN 0x0008 -#define RDISABLE 0x0001 - -/********************** McBSP SYSCONFIG bit definitions ********************/ -#define CLOCKACTIVITY(value) ((value)<<8) -#define SIDLEMODE(value) ((value)<<3) -#define ENAWAKEUP 0x0004 -#define SOFTRST 0x0002 - -/********************** McBSP SSELCR bit definitions ***********************/ -#define SIDETONEEN 0x0400 - -/********************** McBSP Sidetone SYSCONFIG bit definitions ***********/ -#define ST_AUTOIDLE 0x0001 - -/********************** McBSP Sidetone SGAINCR bit definitions *************/ -#define ST_CH1GAIN(value) ((value<<16)) /* Bits 16:31 */ -#define ST_CH0GAIN(value) (value) /* Bits 0:15 */ - -/********************** McBSP Sidetone SFIRCR bit definitions **************/ -#define ST_FIRCOEFF(value) (value) /* Bits 0:15 */ - -/********************** McBSP Sidetone SSELCR bit definitions **************/ -#define ST_COEFFWRDONE 0x0004 -#define ST_COEFFWREN 0x0002 -#define ST_SIDETONEEN 0x0001 - -/********************** McBSP DMA operating modes **************************/ -#define MCBSP_DMA_MODE_ELEMENT 0 -#define MCBSP_DMA_MODE_THRESHOLD 1 -#define MCBSP_DMA_MODE_FRAME 2 - -/********************** McBSP WAKEUPEN bit definitions *********************/ -#define XEMPTYEOFEN 0x4000 -#define XRDYEN 0x0400 -#define XEOFEN 0x0200 -#define XFSXEN 0x0100 -#define XSYNCERREN 0x0080 -#define RRDYEN 0x0008 -#define REOFEN 0x0004 -#define RFSREN 0x0002 -#define RSYNCERREN 0x0001 - -/* CLKR signal muxing options */ -#define CLKR_SRC_CLKR 0 -#define CLKR_SRC_CLKX 1 - -/* FSR signal muxing options */ -#define FSR_SRC_FSR 0 -#define FSR_SRC_FSX 1 - -/* McBSP functional clock sources */ -#define MCBSP_CLKS_PRCM_SRC 0 -#define MCBSP_CLKS_PAD_SRC 1 - -/* we don't do multichannel for now */ -struct omap_mcbsp_reg_cfg { - u16 spcr2; - u16 spcr1; - u16 rcr2; - u16 rcr1; - u16 xcr2; - u16 xcr1; - u16 srgr2; - u16 srgr1; - u16 mcr2; - u16 mcr1; - u16 pcr0; - u16 rcerc; - u16 rcerd; - u16 xcerc; - u16 xcerd; - u16 rcere; - u16 rcerf; - u16 xcere; - u16 xcerf; - u16 rcerg; - u16 rcerh; - u16 xcerg; - u16 xcerh; - u16 xccr; - u16 rccr; -}; - -typedef enum { - OMAP_MCBSP1 = 0, - OMAP_MCBSP2, - OMAP_MCBSP3, - OMAP_MCBSP4, - OMAP_MCBSP5 -} omap_mcbsp_id; - -typedef int __bitwise omap_mcbsp_io_type_t; -#define OMAP_MCBSP_IRQ_IO ((__force omap_mcbsp_io_type_t) 1) -#define OMAP_MCBSP_POLL_IO ((__force omap_mcbsp_io_type_t) 2) - -typedef enum { - OMAP_MCBSP_WORD_8 = 0, - OMAP_MCBSP_WORD_12, - OMAP_MCBSP_WORD_16, - OMAP_MCBSP_WORD_20, - OMAP_MCBSP_WORD_24, - OMAP_MCBSP_WORD_32, -} omap_mcbsp_word_length; - -typedef enum { - OMAP_MCBSP_CLK_RISING = 0, - OMAP_MCBSP_CLK_FALLING, -} omap_mcbsp_clk_polarity; - -typedef enum { - OMAP_MCBSP_FS_ACTIVE_HIGH = 0, - OMAP_MCBSP_FS_ACTIVE_LOW, -} omap_mcbsp_fs_polarity; - -typedef enum { - OMAP_MCBSP_CLK_STP_MODE_NO_DELAY = 0, - OMAP_MCBSP_CLK_STP_MODE_DELAY, -} omap_mcbsp_clk_stp_mode; - - -/******* SPI specific mode **********/ -typedef enum { - OMAP_MCBSP_SPI_MASTER = 0, - OMAP_MCBSP_SPI_SLAVE, -} omap_mcbsp_spi_mode; - -struct omap_mcbsp_spi_cfg { - omap_mcbsp_spi_mode spi_mode; - omap_mcbsp_clk_polarity rx_clock_polarity; - omap_mcbsp_clk_polarity tx_clock_polarity; - omap_mcbsp_fs_polarity fsx_polarity; - u8 clk_div; - omap_mcbsp_clk_stp_mode clk_stp_mode; - omap_mcbsp_word_length word_length; -}; - -/* Platform specific configuration */ -struct omap_mcbsp_ops { - void (*request)(unsigned int); - void (*free)(unsigned int); - int (*set_clks_src)(u8, u8); -}; - -struct omap_mcbsp_platform_data { - unsigned long phys_base; - u8 dma_rx_sync, dma_tx_sync; - u16 rx_irq, tx_irq; - struct omap_mcbsp_ops *ops; -#ifdef CONFIG_ARCH_OMAP3 - /* Sidetone block for McBSP 2 and 3 */ - unsigned long phys_base_st; - u16 buffer_size; -#endif -}; - -struct omap_mcbsp_st_data { - void __iomem *io_base_st; - bool running; - bool enabled; - s16 taps[128]; /* Sidetone filter coefficients */ - int nr_taps; /* Number of filter coefficients in use */ - s16 ch0gain; - s16 ch1gain; -}; - -struct omap_mcbsp { - struct device *dev; - unsigned long phys_base; - void __iomem *io_base; - u8 id; - u8 free; - omap_mcbsp_word_length rx_word_length; - omap_mcbsp_word_length tx_word_length; - - omap_mcbsp_io_type_t io_type; /* IRQ or poll */ - /* IRQ based TX/RX */ - int rx_irq; - int tx_irq; - - /* DMA stuff */ - u8 dma_rx_sync; - short dma_rx_lch; - u8 dma_tx_sync; - short dma_tx_lch; - - /* Completion queues */ - struct completion tx_irq_completion; - struct completion rx_irq_completion; - struct completion tx_dma_completion; - struct completion rx_dma_completion; - - /* Protect the field .free, while checking if the mcbsp is in use */ - spinlock_t lock; - struct omap_mcbsp_platform_data *pdata; - struct clk *iclk; - struct clk *fclk; -#ifdef CONFIG_ARCH_OMAP3 - struct omap_mcbsp_st_data *st_data; - int dma_op_mode; - u16 max_tx_thres; - u16 max_rx_thres; -#endif - void *reg_cache; -}; -extern struct omap_mcbsp **mcbsp_ptr; -extern int omap_mcbsp_count, omap_mcbsp_cache_size; - -#define omap_mcbsp_check_valid_id(id) (id < omap_mcbsp_count) -#define id_to_mcbsp_ptr(id) mcbsp_ptr[id]; - -int omap_mcbsp_init(void); -void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, - int size); -void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config); -#ifdef CONFIG_ARCH_OMAP3 -void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold); -void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold); -u16 omap_mcbsp_get_max_tx_threshold(unsigned int id); -u16 omap_mcbsp_get_max_rx_threshold(unsigned int id); -u16 omap_mcbsp_get_fifo_size(unsigned int id); -u16 omap_mcbsp_get_tx_delay(unsigned int id); -u16 omap_mcbsp_get_rx_delay(unsigned int id); -int omap_mcbsp_get_dma_op_mode(unsigned int id); -#else -static inline void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold) -{ } -static inline void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold) -{ } -static inline u16 omap_mcbsp_get_max_tx_threshold(unsigned int id) { return 0; } -static inline u16 omap_mcbsp_get_max_rx_threshold(unsigned int id) { return 0; } -static inline u16 omap_mcbsp_get_fifo_size(unsigned int id) { return 0; } -static inline u16 omap_mcbsp_get_tx_delay(unsigned int id) { return 0; } -static inline u16 omap_mcbsp_get_rx_delay(unsigned int id) { return 0; } -static inline int omap_mcbsp_get_dma_op_mode(unsigned int id) { return 0; } -#endif -int omap_mcbsp_request(unsigned int id); -void omap_mcbsp_free(unsigned int id); -void omap_mcbsp_start(unsigned int id, int tx, int rx); -void omap_mcbsp_stop(unsigned int id, int tx, int rx); -void omap_mcbsp_xmit_word(unsigned int id, u32 word); -u32 omap_mcbsp_recv_word(unsigned int id); - -int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int length); -int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int length); -int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word); -int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word); - - -/* McBSP functional clock source changing function */ -extern int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id); -/* SPI specific API */ -void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg * spi_cfg); - -/* Polled read/write functions */ -int omap_mcbsp_pollread(unsigned int id, u16 * buf); -int omap_mcbsp_pollwrite(unsigned int id, u16 buf); -int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type); - -/* McBSP signal muxing API */ -void omap2_mcbsp1_mux_clkr_src(u8 mux); -void omap2_mcbsp1_mux_fsr_src(u8 mux); - -#ifdef CONFIG_ARCH_OMAP3 -/* Sidetone specific API */ -int omap_st_set_chgain(unsigned int id, int channel, s16 chgain); -int omap_st_get_chgain(unsigned int id, int channel, s16 *chgain); -int omap_st_enable(unsigned int id); -int omap_st_disable(unsigned int id); -int omap_st_is_enabled(unsigned int id); -#else -static inline int omap_st_set_chgain(unsigned int id, int channel, - s16 chgain) { return 0; } -static inline int omap_st_get_chgain(unsigned int id, int channel, - s16 *chgain) { return 0; } -static inline int omap_st_enable(unsigned int id) { return 0; } -static inline int omap_st_disable(unsigned int id) { return 0; } -static inline int omap_st_is_enabled(unsigned int id) { return 0; } -#endif - -#endif diff --git a/arch/arm/plat-omap/include/plat/mcspi.h b/arch/arm/plat-omap/include/plat/mcspi.h deleted file mode 100644 index 1254e4945b6..00000000000 --- a/arch/arm/plat-omap/include/plat/mcspi.h +++ /dev/null @@ -1,15 +0,0 @@ -#ifndef _OMAP2_MCSPI_H -#define _OMAP2_MCSPI_H - -struct omap2_mcspi_platform_config { - unsigned short num_cs; -}; - -struct omap2_mcspi_device_config { - unsigned turbo_mode:1; - - /* Do we want one channel enabled at the same time? */ - unsigned single_channel:1; -}; - -#endif diff --git a/arch/arm/plat-omap/include/plat/memory.h b/arch/arm/plat-omap/include/plat/memory.h deleted file mode 100644 index f8d922fb558..00000000000 --- a/arch/arm/plat-omap/include/plat/memory.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/memory.h - * - * Memory map for OMAP-1510 and 1610 - * - * Copyright (C) 2000 RidgeRun, Inc. - * Author: Greg Lonnon <glonnon@ridgerun.com> - * - * This file was derived from arch/arm/mach-intergrator/include/mach/memory.h - * Copyright (C) 1999 ARM Limited - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ASM_ARCH_MEMORY_H -#define __ASM_ARCH_MEMORY_H - -/* - * Physical DRAM offset. - */ -#if defined(CONFIG_ARCH_OMAP1) -#define PHYS_OFFSET UL(0x10000000) -#else -#define PHYS_OFFSET UL(0x80000000) -#endif - -/* - * Bus address is physical address, except for OMAP-1510 Local Bus. - * OMAP-1510 bus address is translated into a Local Bus address if the - * OMAP bus type is lbus. We do the address translation based on the - * device overriding the defaults used in the dma-mapping API. - * Note that the is_lbus_device() test is not very efficient on 1510 - * because of the strncmp(). - */ -#ifdef CONFIG_ARCH_OMAP15XX - -/* - * OMAP-1510 Local Bus address offset - */ -#define OMAP1510_LB_OFFSET UL(0x30000000) - -#define virt_to_lbus(x) ((x) - PAGE_OFFSET + OMAP1510_LB_OFFSET) -#define lbus_to_virt(x) ((x) - OMAP1510_LB_OFFSET + PAGE_OFFSET) -#define is_lbus_device(dev) (cpu_is_omap15xx() && dev && (strncmp(dev_name(dev), "ohci", 4) == 0)) - -#define __arch_pfn_to_dma(dev, pfn) \ - ({ dma_addr_t __dma = __pfn_to_phys(pfn); \ - if (is_lbus_device(dev)) \ - __dma = __dma - PHYS_OFFSET + OMAP1510_LB_OFFSET; \ - __dma; }) - -#define __arch_dma_to_pfn(dev, addr) \ - ({ dma_addr_t __dma = addr; \ - if (is_lbus_device(dev)) \ - __dma += PHYS_OFFSET - OMAP1510_LB_OFFSET; \ - __phys_to_pfn(__dma); \ - }) - -#define __arch_dma_to_virt(dev, addr) ({ (void *) (is_lbus_device(dev) ? \ - lbus_to_virt(addr) : \ - __phys_to_virt(addr)); }) - -#define __arch_virt_to_dma(dev, addr) ({ unsigned long __addr = (unsigned long)(addr); \ - (dma_addr_t) (is_lbus_device(dev) ? \ - virt_to_lbus(__addr) : \ - __virt_to_phys(__addr)); }) - -#endif /* CONFIG_ARCH_OMAP15XX */ - -/* Override the ARM default */ -#ifdef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE - -#if (CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE == 0) -#undef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE -#define CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE 2 -#endif - -#define CONSISTENT_DMA_SIZE \ - (((CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE + 1) & ~1) * 1024 * 1024) - -#endif - -#endif - diff --git a/arch/arm/plat-omap/include/plat/menelaus.h b/arch/arm/plat-omap/include/plat/menelaus.h deleted file mode 100644 index 4a970ec62dd..00000000000 --- a/arch/arm/plat-omap/include/plat/menelaus.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/menelaus.h - * - * Functions to access Menelaus power management chip - */ - -#ifndef __ASM_ARCH_MENELAUS_H -#define __ASM_ARCH_MENELAUS_H - -struct device; - -struct menelaus_platform_data { - int (* late_init)(struct device *dev); -}; - -extern int menelaus_register_mmc_callback(void (*callback)(void *data, u8 card_mask), - void *data); -extern void menelaus_unregister_mmc_callback(void); -extern int menelaus_set_mmc_opendrain(int slot, int enable); -extern int menelaus_set_mmc_slot(int slot, int enable, int power, int cd_on); - -extern int menelaus_set_vmem(unsigned int mV); -extern int menelaus_set_vio(unsigned int mV); -extern int menelaus_set_vmmc(unsigned int mV); -extern int menelaus_set_vaux(unsigned int mV); -extern int menelaus_set_vdcdc(int dcdc, unsigned int mV); -extern int menelaus_set_slot_sel(int enable); -extern int menelaus_get_slot_pin_states(void); -extern int menelaus_set_vcore_sw(unsigned int mV); -extern int menelaus_set_vcore_hw(unsigned int roof_mV, unsigned int floor_mV); - -#define EN_VPLL_SLEEP (1 << 7) -#define EN_VMMC_SLEEP (1 << 6) -#define EN_VAUX_SLEEP (1 << 5) -#define EN_VIO_SLEEP (1 << 4) -#define EN_VMEM_SLEEP (1 << 3) -#define EN_DC3_SLEEP (1 << 2) -#define EN_DC2_SLEEP (1 << 1) -#define EN_VC_SLEEP (1 << 0) - -extern int menelaus_set_regulator_sleep(int enable, u32 val); - -#if defined(CONFIG_ARCH_OMAP2) && defined(CONFIG_MENELAUS) -#define omap_has_menelaus() 1 -#else -#define omap_has_menelaus() 0 -#endif - -#endif diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h deleted file mode 100644 index f57f36abb07..00000000000 --- a/arch/arm/plat-omap/include/plat/mmc.h +++ /dev/null @@ -1,184 +0,0 @@ -/* - * MMC definitions for OMAP2 - * - * Copyright (C) 2006 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __OMAP2_MMC_H -#define __OMAP2_MMC_H - -#include <linux/types.h> -#include <linux/device.h> -#include <linux/mmc/host.h> - -#include <plat/board.h> - -#define OMAP15XX_NR_MMC 1 -#define OMAP16XX_NR_MMC 2 -#define OMAP1_MMC_SIZE 0x080 -#define OMAP1_MMC1_BASE 0xfffb7800 -#define OMAP1_MMC2_BASE 0xfffb7c00 /* omap16xx only */ - -#define OMAP24XX_NR_MMC 2 -#define OMAP34XX_NR_MMC 3 -#define OMAP44XX_NR_MMC 5 -#define OMAP2420_MMC_SIZE OMAP1_MMC_SIZE -#define OMAP3_HSMMC_SIZE 0x200 -#define OMAP4_HSMMC_SIZE 0x1000 -#define OMAP2_MMC1_BASE 0x4809c000 -#define OMAP2_MMC2_BASE 0x480b4000 -#define OMAP3_MMC3_BASE 0x480ad000 -#define OMAP4_MMC4_BASE 0x480d1000 -#define OMAP4_MMC5_BASE 0x480d5000 -#define OMAP4_MMC_REG_OFFSET 0x100 -#define HSMMC5 (1 << 4) -#define HSMMC4 (1 << 3) -#define HSMMC3 (1 << 2) -#define HSMMC2 (1 << 1) -#define HSMMC1 (1 << 0) - -#define OMAP_MMC_MAX_SLOTS 2 - -struct omap_mmc_platform_data { - /* back-link to device */ - struct device *dev; - - /* number of slots per controller */ - unsigned nr_slots:2; - - /* set if your board has components or wiring that limits the - * maximum frequency on the MMC bus */ - unsigned int max_freq; - - /* switch the bus to a new slot */ - int (*switch_slot)(struct device *dev, int slot); - /* initialize board-specific MMC functionality, can be NULL if - * not supported */ - int (*init)(struct device *dev); - void (*cleanup)(struct device *dev); - void (*shutdown)(struct device *dev); - - /* To handle board related suspend/resume functionality for MMC */ - int (*suspend)(struct device *dev, int slot); - int (*resume)(struct device *dev, int slot); - - /* Return context loss count due to PM states changing */ - int (*get_context_loss_count)(struct device *dev); - - u64 dma_mask; - - /* Register offset deviation */ - u16 reg_offset; - - struct omap_mmc_slot_data { - - /* - * 4/8 wires and any additional host capabilities - * need to OR'd all capabilities (ref. linux/mmc/host.h) - */ - u8 wires; /* Used for the MMC driver on omap1 and 2420 */ - u32 caps; /* Used for the MMC driver on 2430 and later */ - - /* - * nomux means "standard" muxing is wrong on this board, and - * that board-specific code handled it before common init logic. - */ - unsigned nomux:1; - - /* switch pin can be for card detect (default) or card cover */ - unsigned cover:1; - - /* use the internal clock */ - unsigned internal_clock:1; - - /* nonremovable e.g. eMMC */ - unsigned nonremovable:1; - - /* Try to sleep or power off when possible */ - unsigned power_saving:1; - - /* If using power_saving and the MMC power is not to go off */ - unsigned no_off:1; - - /* Regulator off remapped to sleep */ - unsigned vcc_aux_disable_is_sleep:1; - - /* we can put the features above into this variable */ -#define HSMMC_HAS_PBIAS (1 << 0) -#define HSMMC_HAS_UPDATED_RESET (1 << 1) - unsigned features; - - int switch_pin; /* gpio (card detect) */ - int gpio_wp; /* gpio (write protect) */ - - int (*set_bus_mode)(struct device *dev, int slot, int bus_mode); - int (*set_power)(struct device *dev, int slot, - int power_on, int vdd); - int (*get_ro)(struct device *dev, int slot); - int (*set_sleep)(struct device *dev, int slot, int sleep, - int vdd, int cardsleep); - void (*remux)(struct device *dev, int slot, int power_on); - /* Call back before enabling / disabling regulators */ - void (*before_set_reg)(struct device *dev, int slot, - int power_on, int vdd); - /* Call back after enabling / disabling regulators */ - void (*after_set_reg)(struct device *dev, int slot, - int power_on, int vdd); - /* if we have special card, init it using this callback */ - void (*init_card)(struct mmc_card *card); - - /* return MMC cover switch state, can be NULL if not supported. - * - * possible return values: - * 0 - closed - * 1 - open - */ - int (*get_cover_state)(struct device *dev, int slot); - - const char *name; - u32 ocr_mask; - - /* Card detection IRQs */ - int card_detect_irq; - int (*card_detect)(struct device *dev, int slot); - - unsigned int ban_openended:1; - - } slots[OMAP_MMC_MAX_SLOTS]; -}; - -/* called from board-specific card detection service routine */ -extern void omap_mmc_notify_cover_event(struct device *dev, int slot, - int is_closed); - -#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \ - defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) -void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, - int nr_controllers); -void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, - int nr_controllers); -int omap_mmc_add(const char *name, int id, unsigned long base, - unsigned long size, unsigned int irq, - struct omap_mmc_platform_data *data); -#else -static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, - int nr_controllers) -{ -} -static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, - int nr_controllers) -{ -} -static inline int omap_mmc_add(const char *name, int id, unsigned long base, - unsigned long size, unsigned int irq, - struct omap_mmc_platform_data *data) -{ - return 0; -} - -#endif -#endif diff --git a/arch/arm/plat-omap/include/plat/multi.h b/arch/arm/plat-omap/include/plat/multi.h deleted file mode 100644 index ffd909fa528..00000000000 --- a/arch/arm/plat-omap/include/plat/multi.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Support for compiling in multiple OMAP processors - * - * Copyright (C) 2010 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef __PLAT_OMAP_MULTI_H -#define __PLAT_OMAP_MULTI_H - -/* - * Test if multicore OMAP support is needed - */ -#undef MULTI_OMAP1 -#undef MULTI_OMAP2 -#undef OMAP_NAME - -#ifdef CONFIG_ARCH_OMAP730 -# ifdef OMAP_NAME -# undef MULTI_OMAP1 -# define MULTI_OMAP1 -# else -# define OMAP_NAME omap730 -# endif -#endif -#ifdef CONFIG_ARCH_OMAP850 -# ifdef OMAP_NAME -# undef MULTI_OMAP1 -# define MULTI_OMAP1 -# else -# define OMAP_NAME omap850 -# endif -#endif -#ifdef CONFIG_ARCH_OMAP15XX -# ifdef OMAP_NAME -# undef MULTI_OMAP1 -# define MULTI_OMAP1 -# else -# define OMAP_NAME omap1510 -# endif -#endif -#ifdef CONFIG_ARCH_OMAP16XX -# ifdef OMAP_NAME -# undef MULTI_OMAP1 -# define MULTI_OMAP1 -# else -# define OMAP_NAME omap16xx -# endif -#endif -#ifdef CONFIG_ARCH_OMAP2PLUS -# if (defined(OMAP_NAME) || defined(MULTI_OMAP1)) -# error "OMAP1 and OMAP2PLUS can't be selected at the same time" -# endif -#endif -#ifdef CONFIG_ARCH_OMAP2420 -# ifdef OMAP_NAME -# undef MULTI_OMAP2 -# define MULTI_OMAP2 -# else -# define OMAP_NAME omap2420 -# endif -#endif -#ifdef CONFIG_ARCH_OMAP2430 -# ifdef OMAP_NAME -# undef MULTI_OMAP2 -# define MULTI_OMAP2 -# else -# define OMAP_NAME omap2430 -# endif -#endif -#ifdef CONFIG_ARCH_OMAP3 -# ifdef OMAP_NAME -# undef MULTI_OMAP2 -# define MULTI_OMAP2 -# else -# define OMAP_NAME omap3 -# endif -#endif -#ifdef CONFIG_ARCH_OMAP4 -# ifdef OMAP_NAME -# undef MULTI_OMAP2 -# define MULTI_OMAP2 -# else -# define OMAP_NAME omap4 -# endif -#endif - -#endif /* __PLAT_OMAP_MULTI_H */ diff --git a/arch/arm/plat-omap/include/plat/mux.h b/arch/arm/plat-omap/include/plat/mux.h deleted file mode 100644 index aeba71796ad..00000000000 --- a/arch/arm/plat-omap/include/plat/mux.h +++ /dev/null @@ -1,454 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/mux.h - * - * Table of the Omap register configurations for the FUNC_MUX and - * PULL_DWN combinations. - * - * Copyright (C) 2004 - 2008 Texas Instruments Inc. - * Copyright (C) 2003 - 2008 Nokia Corporation - * - * Written by Tony Lindgren - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * NOTE: Please use the following naming style for new pin entries. - * For example, W8_1610_MMC2_DAT0, where: - * - W8 = ball - * - 1610 = 1510 or 1610, none if common for both 1510 and 1610 - * - MMC2_DAT0 = function - */ - -#ifndef __ASM_ARCH_MUX_H -#define __ASM_ARCH_MUX_H - -#define PU_PD_SEL_NA 0 /* No pu_pd reg available */ -#define PULL_DWN_CTRL_NA 0 /* No pull-down control needed */ - -#ifdef CONFIG_OMAP_MUX_DEBUG -#define MUX_REG(reg, mode_offset, mode) .mux_reg_name = "FUNC_MUX_CTRL_"#reg, \ - .mux_reg = FUNC_MUX_CTRL_##reg, \ - .mask_offset = mode_offset, \ - .mask = mode, - -#define PULL_REG(reg, bit, status) .pull_name = "PULL_DWN_CTRL_"#reg, \ - .pull_reg = PULL_DWN_CTRL_##reg, \ - .pull_bit = bit, \ - .pull_val = status, - -#define PU_PD_REG(reg, status) .pu_pd_name = "PU_PD_SEL_"#reg, \ - .pu_pd_reg = PU_PD_SEL_##reg, \ - .pu_pd_val = status, - -#define MUX_REG_7XX(reg, mode_offset, mode) .mux_reg_name = "OMAP7XX_IO_CONF_"#reg, \ - .mux_reg = OMAP7XX_IO_CONF_##reg, \ - .mask_offset = mode_offset, \ - .mask = mode, - -#define PULL_REG_7XX(reg, bit, status) .pull_name = "OMAP7XX_IO_CONF_"#reg, \ - .pull_reg = OMAP7XX_IO_CONF_##reg, \ - .pull_bit = bit, \ - .pull_val = status, - -#else - -#define MUX_REG(reg, mode_offset, mode) .mux_reg = FUNC_MUX_CTRL_##reg, \ - .mask_offset = mode_offset, \ - .mask = mode, - -#define PULL_REG(reg, bit, status) .pull_reg = PULL_DWN_CTRL_##reg, \ - .pull_bit = bit, \ - .pull_val = status, - -#define PU_PD_REG(reg, status) .pu_pd_reg = PU_PD_SEL_##reg, \ - .pu_pd_val = status, - -#define MUX_REG_7XX(reg, mode_offset, mode) \ - .mux_reg = OMAP7XX_IO_CONF_##reg, \ - .mask_offset = mode_offset, \ - .mask = mode, - -#define PULL_REG_7XX(reg, bit, status) .pull_reg = OMAP7XX_IO_CONF_##reg, \ - .pull_bit = bit, \ - .pull_val = status, - -#endif /* CONFIG_OMAP_MUX_DEBUG */ - -#define MUX_CFG(desc, mux_reg, mode_offset, mode, \ - pull_reg, pull_bit, pull_status, \ - pu_pd_reg, pu_pd_status, debug_status) \ -{ \ - .name = desc, \ - .debug = debug_status, \ - MUX_REG(mux_reg, mode_offset, mode) \ - PULL_REG(pull_reg, pull_bit, pull_status) \ - PU_PD_REG(pu_pd_reg, pu_pd_status) \ -}, - - -/* - * OMAP730/850 has a slightly different config for the pin mux. - * - config regs are the OMAP7XX_IO_CONF_x regs (see omap730.h) regs and - * not the FUNC_MUX_CTRL_x regs from hardware.h - * - for pull-up/down, only has one enable bit which is is in the same register - * as mux config - */ -#define MUX_CFG_7XX(desc, mux_reg, mode_offset, mode, \ - pull_bit, pull_status, debug_status)\ -{ \ - .name = desc, \ - .debug = debug_status, \ - MUX_REG_7XX(mux_reg, mode_offset, mode) \ - PULL_REG_7XX(mux_reg, pull_bit, pull_status) \ - PU_PD_REG(NA, 0) \ -}, - -struct pin_config { - char *name; - const unsigned int mux_reg; - unsigned char debug; - - const unsigned char mask_offset; - const unsigned char mask; - - const char *pull_name; - const unsigned int pull_reg; - const unsigned char pull_val; - const unsigned char pull_bit; - - const char *pu_pd_name; - const unsigned int pu_pd_reg; - const unsigned char pu_pd_val; - -#if defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS) - const char *mux_reg_name; -#endif - -}; - -enum omap7xx_index { - /* OMAP 730 keyboard */ - E2_7XX_KBR0, - J7_7XX_KBR1, - E1_7XX_KBR2, - F3_7XX_KBR3, - D2_7XX_KBR4, - C2_7XX_KBC0, - D3_7XX_KBC1, - E4_7XX_KBC2, - F4_7XX_KBC3, - E3_7XX_KBC4, - - /* USB */ - AA17_7XX_USB_DM, - W16_7XX_USB_PU_EN, - W17_7XX_USB_VBUSI, - W18_7XX_USB_DMCK_OUT, - W19_7XX_USB_DCRST, - - /* MMC */ - MMC_7XX_CMD, - MMC_7XX_CLK, - MMC_7XX_DAT0, - - /* I2C */ - I2C_7XX_SCL, - I2C_7XX_SDA, - - /* SPI */ - SPI_7XX_1, - SPI_7XX_2, - SPI_7XX_3, - SPI_7XX_4, - SPI_7XX_5, - SPI_7XX_6, - - /* UART */ - UART_7XX_1, - UART_7XX_2, -}; - -enum omap1xxx_index { - /* UART1 (BT_UART_GATING)*/ - UART1_TX = 0, - UART1_RTS, - - /* UART2 (COM_UART_GATING)*/ - UART2_TX, - UART2_RX, - UART2_CTS, - UART2_RTS, - - /* UART3 (GIGA_UART_GATING) */ - UART3_TX, - UART3_RX, - UART3_CTS, - UART3_RTS, - UART3_CLKREQ, - UART3_BCLK, /* 12MHz clock out */ - Y15_1610_UART3_RTS, - - /* PWT & PWL */ - PWT, - PWL, - - /* USB master generic */ - R18_USB_VBUS, - R18_1510_USB_GPIO0, - W4_USB_PUEN, - W4_USB_CLKO, - W4_USB_HIGHZ, - W4_GPIO58, - - /* USB1 master */ - USB1_SUSP, - USB1_SEO, - W13_1610_USB1_SE0, - USB1_TXEN, - USB1_TXD, - USB1_VP, - USB1_VM, - USB1_RCV, - USB1_SPEED, - R13_1610_USB1_SPEED, - R13_1710_USB1_SE0, - - /* USB2 master */ - USB2_SUSP, - USB2_VP, - USB2_TXEN, - USB2_VM, - USB2_RCV, - USB2_SEO, - USB2_TXD, - - /* OMAP-1510 GPIO */ - R18_1510_GPIO0, - R19_1510_GPIO1, - M14_1510_GPIO2, - - /* OMAP1610 GPIO */ - P18_1610_GPIO3, - Y15_1610_GPIO17, - - /* OMAP-1710 GPIO */ - R18_1710_GPIO0, - V2_1710_GPIO10, - N21_1710_GPIO14, - W15_1710_GPIO40, - - /* MPUIO */ - MPUIO2, - N15_1610_MPUIO2, - MPUIO4, - MPUIO5, - T20_1610_MPUIO5, - W11_1610_MPUIO6, - V10_1610_MPUIO7, - W11_1610_MPUIO9, - V10_1610_MPUIO10, - W10_1610_MPUIO11, - E20_1610_MPUIO13, - U20_1610_MPUIO14, - E19_1610_MPUIO15, - - /* MCBSP2 */ - MCBSP2_CLKR, - MCBSP2_CLKX, - MCBSP2_DR, - MCBSP2_DX, - MCBSP2_FSR, - MCBSP2_FSX, - - /* MCBSP3 */ - MCBSP3_CLKX, - - /* Misc ballouts */ - BALLOUT_V8_ARMIO3, - N20_HDQ, - - /* OMAP-1610 MMC2 */ - W8_1610_MMC2_DAT0, - V8_1610_MMC2_DAT1, - W15_1610_MMC2_DAT2, - R10_1610_MMC2_DAT3, - Y10_1610_MMC2_CLK, - Y8_1610_MMC2_CMD, - V9_1610_MMC2_CMDDIR, - V5_1610_MMC2_DATDIR0, - W19_1610_MMC2_DATDIR1, - R18_1610_MMC2_CLKIN, - - /* OMAP-1610 External Trace Interface */ - M19_1610_ETM_PSTAT0, - L15_1610_ETM_PSTAT1, - L18_1610_ETM_PSTAT2, - L19_1610_ETM_D0, - J19_1610_ETM_D6, - J18_1610_ETM_D7, - - /* OMAP16XX GPIO */ - P20_1610_GPIO4, - V9_1610_GPIO7, - W8_1610_GPIO9, - N20_1610_GPIO11, - N19_1610_GPIO13, - P10_1610_GPIO22, - V5_1610_GPIO24, - AA20_1610_GPIO_41, - W19_1610_GPIO48, - M7_1610_GPIO62, - V14_16XX_GPIO37, - R9_16XX_GPIO18, - L14_16XX_GPIO49, - - /* OMAP-1610 uWire */ - V19_1610_UWIRE_SCLK, - U18_1610_UWIRE_SDI, - W21_1610_UWIRE_SDO, - N14_1610_UWIRE_CS0, - P15_1610_UWIRE_CS3, - N15_1610_UWIRE_CS1, - - /* OMAP-1610 SPI */ - U19_1610_SPIF_SCK, - U18_1610_SPIF_DIN, - P20_1610_SPIF_DIN, - W21_1610_SPIF_DOUT, - R18_1610_SPIF_DOUT, - N14_1610_SPIF_CS0, - N15_1610_SPIF_CS1, - T19_1610_SPIF_CS2, - P15_1610_SPIF_CS3, - - /* OMAP-1610 Flash */ - L3_1610_FLASH_CS2B_OE, - M8_1610_FLASH_CS2B_WE, - - /* First MMC */ - MMC_CMD, - MMC_DAT1, - MMC_DAT2, - MMC_DAT0, - MMC_CLK, - MMC_DAT3, - - /* OMAP-1710 MMC CMDDIR and DATDIR0 */ - M15_1710_MMC_CLKI, - P19_1710_MMC_CMDDIR, - P20_1710_MMC_DATDIR0, - - /* OMAP-1610 USB0 alternate pin configuration */ - W9_USB0_TXEN, - AA9_USB0_VP, - Y5_USB0_RCV, - R9_USB0_VM, - V6_USB0_TXD, - W5_USB0_SE0, - V9_USB0_SPEED, - V9_USB0_SUSP, - - /* USB2 */ - W9_USB2_TXEN, - AA9_USB2_VP, - Y5_USB2_RCV, - R9_USB2_VM, - V6_USB2_TXD, - W5_USB2_SE0, - - /* 16XX UART */ - R13_1610_UART1_TX, - V14_16XX_UART1_RX, - R14_1610_UART1_CTS, - AA15_1610_UART1_RTS, - R9_16XX_UART2_RX, - L14_16XX_UART3_RX, - - /* I2C OMAP-1610 */ - I2C_SCL, - I2C_SDA, - - /* Keypad */ - F18_1610_KBC0, - D20_1610_KBC1, - D19_1610_KBC2, - E18_1610_KBC3, - C21_1610_KBC4, - G18_1610_KBR0, - F19_1610_KBR1, - H14_1610_KBR2, - E20_1610_KBR3, - E19_1610_KBR4, - N19_1610_KBR5, - - /* Power management */ - T20_1610_LOW_PWR, - - /* MCLK Settings */ - V5_1710_MCLK_ON, - V5_1710_MCLK_OFF, - R10_1610_MCLK_ON, - R10_1610_MCLK_OFF, - - /* CompactFlash controller */ - P11_1610_CF_CD2, - R11_1610_CF_IOIS16, - V10_1610_CF_IREQ, - W10_1610_CF_RESET, - W11_1610_CF_CD1, - - /* parallel camera */ - J15_1610_CAM_LCLK, - J18_1610_CAM_D7, - J19_1610_CAM_D6, - J14_1610_CAM_D5, - K18_1610_CAM_D4, - K19_1610_CAM_D3, - K15_1610_CAM_D2, - K14_1610_CAM_D1, - L19_1610_CAM_D0, - L18_1610_CAM_VS, - L15_1610_CAM_HS, - M19_1610_CAM_RSTZ, - Y15_1610_CAM_OUTCLK, - - /* serial camera */ - H19_1610_CAM_EXCLK, - Y12_1610_CCP_CLKP, - W13_1610_CCP_CLKM, - W14_1610_CCP_DATAP, - Y14_1610_CCP_DATAM, - -}; - -struct omap_mux_cfg { - struct pin_config *pins; - unsigned long size; - int (*cfg_reg)(const struct pin_config *cfg); -}; - -#ifdef CONFIG_OMAP_MUX -/* setup pin muxing in Linux */ -extern int omap1_mux_init(void); -extern int omap_mux_register(struct omap_mux_cfg *); -extern int omap_cfg_reg(unsigned long reg_cfg); -#else -/* boot loader does it all (no warnings from CONFIG_OMAP_MUX_WARNINGS) */ -static inline int omap1_mux_init(void) { return 0; } -static inline int omap_cfg_reg(unsigned long reg_cfg) { return 0; } -#endif - -extern int omap2_mux_init(void); - -#endif diff --git a/arch/arm/plat-omap/include/plat/nand.h b/arch/arm/plat-omap/include/plat/nand.h deleted file mode 100644 index 6562cd082bb..00000000000 --- a/arch/arm/plat-omap/include/plat/nand.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/nand.h - * - * Copyright (C) 2006 Micron Technology Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/mtd/partitions.h> - -struct omap_nand_platform_data { - unsigned int options; - int cs; - int gpio_irq; - struct mtd_partition *parts; - struct gpmc_timings *gpmc_t; - int nr_parts; - int (*nand_setup)(void); - int (*dev_ready)(struct omap_nand_platform_data *); - int dma_channel; - unsigned long phys_base; - int devsize; -}; - -/* minimum size for IO mapping */ -#define NAND_IO_SIZE 4 - -#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) -extern int gpmc_nand_init(struct omap_nand_platform_data *d); -#else -static inline int gpmc_nand_init(struct omap_nand_platform_data *d) -{ - return 0; -} -#endif diff --git a/arch/arm/plat-omap/include/plat/nokia-dsi-panel.h b/arch/arm/plat-omap/include/plat/nokia-dsi-panel.h deleted file mode 100644 index 01ab6572ccb..00000000000 --- a/arch/arm/plat-omap/include/plat/nokia-dsi-panel.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef __ARCH_ARM_PLAT_OMAP_NOKIA_DSI_PANEL_H -#define __ARCH_ARM_PLAT_OMAP_NOKIA_DSI_PANEL_H - -#include "display.h" - -/** - * struct nokia_dsi_panel_data - Nokia DSI panel driver configuration - * @name: panel name - * @use_ext_te: use external TE - * @ext_te_gpio: external TE GPIO - * @use_esd_check: perform ESD checks - * @max_backlight_level: maximum backlight level - * @set_backlight: pointer to backlight set function - * @get_backlight: pointer to backlight get function - */ -struct nokia_dsi_panel_data { - const char *name; - - int reset_gpio; - - bool use_ext_te; - int ext_te_gpio; - - bool use_esd_check; - - int max_backlight_level; - int (*set_backlight)(struct omap_dss_device *dssdev, int level); - int (*get_backlight)(struct omap_dss_device *dssdev); -}; - -#endif /* __ARCH_ARM_PLAT_OMAP_NOKIA_DSI_PANEL_H */ diff --git a/arch/arm/plat-omap/include/plat/omap-alsa.h b/arch/arm/plat-omap/include/plat/omap-alsa.h deleted file mode 100644 index b53055b390d..00000000000 --- a/arch/arm/plat-omap/include/plat/omap-alsa.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/omap-alsa.h - * - * Alsa Driver for AIC23 and TSC2101 codecs on OMAP platform boards. - * - * Copyright (C) 2006 Mika Laitio <lamikr@cc.jyu.fi> - * - * Copyright (C) 2005 Instituto Nokia de Tecnologia - INdT - Manaus Brazil - * Written by Daniel Petrini, David Cohen, Anderson Briglia - * {daniel.petrini, david.cohen, anderson.briglia}@indt.org.br - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - * History - * ------- - * - * 2005/07/25 INdT-10LE Kernel Team - Alsa driver for omap osk, - * original version based in sa1100 driver - * and omap oss driver. - */ - -#ifndef __OMAP_ALSA_H -#define __OMAP_ALSA_H - -#include <plat/dma.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <plat/mcbsp.h> -#include <linux/platform_device.h> - -#define DMA_BUF_SIZE (1024 * 8) - -/* - * Buffer management for alsa and dma - */ -struct audio_stream { - char *id; /* identification string */ - int stream_id; /* numeric identification */ - int dma_dev; /* dma number of that device */ - int *lch; /* Chain of channels this stream is linked to */ - char started; /* to store if the chain was started or not */ - int dma_q_head; /* DMA Channel Q Head */ - int dma_q_tail; /* DMA Channel Q Tail */ - char dma_q_count; /* DMA Channel Q Count */ - int active:1; /* we are using this stream for transfer now */ - int period; /* current transfer period */ - int periods; /* current count of periods registerd in the DMA engine */ - spinlock_t dma_lock; /* for locking in DMA operations */ - struct snd_pcm_substream *stream; /* the pcm stream */ - unsigned linked:1; /* dma channels linked */ - int offset; /* store start position of the last period in the alsa buffer */ - int (*hw_start)(void); /* interface to start HW interface, e.g. McBSP */ - int (*hw_stop)(void); /* interface to stop HW interface, e.g. McBSP */ -}; - -/* - * Alsa card structure for aic23 - */ -struct snd_card_omap_codec { - struct snd_card *card; - struct snd_pcm *pcm; - long samplerate; - struct audio_stream s[2]; /* playback & capture */ -}; - -/* Codec specific information and function pointers. - * Codec (omap-alsa-aic23.c and omap-alsa-tsc2101.c) - * are responsible for defining the function pointers. - */ -struct omap_alsa_codec_config { - char *name; - struct omap_mcbsp_reg_cfg *mcbsp_regs_alsa; - struct snd_pcm_hw_constraint_list *hw_constraints_rates; - struct snd_pcm_hardware *snd_omap_alsa_playback; - struct snd_pcm_hardware *snd_omap_alsa_capture; - void (*codec_configure_dev)(void); - void (*codec_set_samplerate)(long); - void (*codec_clock_setup)(void); - int (*codec_clock_on)(void); - int (*codec_clock_off)(void); - int (*get_default_samplerate)(void); -}; - -/*********** Mixer function prototypes *************************/ -int snd_omap_mixer(struct snd_card_omap_codec *); -void snd_omap_init_mixer(void); - -#ifdef CONFIG_PM -void snd_omap_suspend_mixer(void); -void snd_omap_resume_mixer(void); -#endif - -int snd_omap_alsa_post_probe(struct platform_device *pdev, struct omap_alsa_codec_config *config); -int snd_omap_alsa_remove(struct platform_device *pdev); -#ifdef CONFIG_PM -int snd_omap_alsa_suspend(struct platform_device *pdev, pm_message_t state); -int snd_omap_alsa_resume(struct platform_device *pdev); -#else -#define snd_omap_alsa_suspend NULL -#define snd_omap_alsa_resume NULL -#endif - -void callback_omap_alsa_sound_dma(void *); - -#endif diff --git a/arch/arm/plat-omap/include/plat/omap-pm.h b/arch/arm/plat-omap/include/plat/omap-pm.h deleted file mode 100644 index c0a75205303..00000000000 --- a/arch/arm/plat-omap/include/plat/omap-pm.h +++ /dev/null @@ -1,360 +0,0 @@ -/* - * omap-pm.h - OMAP power management interface - * - * Copyright (C) 2008-2010 Texas Instruments, Inc. - * Copyright (C) 2008-2010 Nokia Corporation - * Paul Walmsley - * - * Interface developed by (in alphabetical order): Karthik Dasu, Jouni - * Högander, Tony Lindgren, Rajendra Nayak, Sakari Poussa, - * Veeramanikandan Raju, Anand Sawant, Igor Stoppa, Paul Walmsley, - * Richard Woodruff - */ - -#ifndef ASM_ARM_ARCH_OMAP_OMAP_PM_H -#define ASM_ARM_ARCH_OMAP_OMAP_PM_H - -#include <linux/device.h> -#include <linux/cpufreq.h> -#include <linux/clk.h> -#include <linux/opp.h> - -/* - * agent_id values for use with omap_pm_set_min_bus_tput(): - * - * OCP_INITIATOR_AGENT is only valid for devices that can act as - * initiators -- it represents the device's L3 interconnect - * connection. OCP_TARGET_AGENT represents the device's L4 - * interconnect connection. - */ -#define OCP_TARGET_AGENT 1 -#define OCP_INITIATOR_AGENT 2 - -/** - * omap_pm_if_early_init - OMAP PM init code called before clock fw init - * @mpu_opp_table: array ptr to struct omap_opp for MPU - * @dsp_opp_table: array ptr to struct omap_opp for DSP - * @l3_opp_table : array ptr to struct omap_opp for CORE - * - * Initialize anything that must be configured before the clock - * framework starts. The "_if_" is to avoid name collisions with the - * PM idle-loop code. - */ -#ifdef CONFIG_OMAP_PM_NONE -#define omap_pm_if_early_init() 0 -#else -int __init omap_pm_if_early_init(void); -#endif - -/** - * omap_pm_if_init - OMAP PM init code called after clock fw init - * - * The main initialization code. OPP tables are passed in here. The - * "_if_" is to avoid name collisions with the PM idle-loop code. - */ -#ifdef CONFIG_OMAP_PM_NONE -#define omap_pm_if_init() 0 -#else -int __init omap_pm_if_init(void); -#endif - -/** - * omap_pm_if_exit - OMAP PM exit code - * - * Exit code; currently unused. The "_if_" is to avoid name - * collisions with the PM idle-loop code. - */ -void omap_pm_if_exit(void); - -/* - * Device-driver-originated constraints (via board-*.c files, platform_data) - */ - - -/** - * omap_pm_set_max_mpu_wakeup_lat - set the maximum MPU wakeup latency - * @dev: struct device * requesting the constraint - * @t: maximum MPU wakeup latency in microseconds - * - * Request that the maximum interrupt latency for the MPU to be no - * greater than @t microseconds. "Interrupt latency" in this case is - * defined as the elapsed time from the occurrence of a hardware or - * timer interrupt to the time when the device driver's interrupt - * service routine has been entered by the MPU. - * - * It is intended that underlying PM code will use this information to - * determine what power state to put the MPU powerdomain into, and - * possibly the CORE powerdomain as well, since interrupt handling - * code currently runs from SDRAM. Advanced PM or board*.c code may - * also configure interrupt controller priorities, OCP bus priorities, - * CPU speed(s), etc. - * - * This function will not affect device wakeup latency, e.g., time - * elapsed from when a device driver enables a hardware device with - * clk_enable(), to when the device is ready for register access or - * other use. To control this device wakeup latency, use - * omap_pm_set_max_dev_wakeup_lat() - * - * Multiple calls to omap_pm_set_max_mpu_wakeup_lat() will replace the - * previous t value. To remove the latency target for the MPU, call - * with t = -1. - * - * XXX This constraint will be deprecated soon in favor of the more - * general omap_pm_set_max_dev_wakeup_lat() - * - * Returns -EINVAL for an invalid argument, -ERANGE if the constraint - * is not satisfiable, or 0 upon success. - */ -int omap_pm_set_max_mpu_wakeup_lat(struct device *dev, long t); - - -/** - * omap_pm_set_min_bus_tput - set minimum bus throughput needed by device - * @dev: struct device * requesting the constraint - * @tbus_id: interconnect to operate on (OCP_{INITIATOR,TARGET}_AGENT) - * @r: minimum throughput (in KiB/s) - * - * Request that the minimum data throughput on the OCP interconnect - * attached to device @dev interconnect agent @tbus_id be no less - * than @r KiB/s. - * - * It is expected that the OMAP PM or bus code will use this - * information to set the interconnect clock to run at the lowest - * possible speed that satisfies all current system users. The PM or - * bus code will adjust the estimate based on its model of the bus, so - * device driver authors should attempt to specify an accurate - * quantity for their device use case, and let the PM or bus code - * overestimate the numbers as necessary to handle request/response - * latency, other competing users on the system, etc. On OMAP2/3, if - * a driver requests a minimum L4 interconnect speed constraint, the - * code will also need to add an minimum L3 interconnect speed - * constraint, - * - * Multiple calls to omap_pm_set_min_bus_tput() will replace the - * previous rate value for this device. To remove the interconnect - * throughput restriction for this device, call with r = 0. - * - * Returns -EINVAL for an invalid argument, -ERANGE if the constraint - * is not satisfiable, or 0 upon success. - */ -int omap_pm_set_min_bus_tput(struct device *dev, u8 agent_id, unsigned long r); - - -/** - * omap_pm_set_max_dev_wakeup_lat - set the maximum device enable latency - * @req_dev: struct device * requesting the constraint, or NULL if none - * @dev: struct device * to set the constraint one - * @t: maximum device wakeup latency in microseconds - * - * Request that the maximum amount of time necessary for a device @dev - * to become accessible after its clocks are enabled should be no - * greater than @t microseconds. Specifically, this represents the - * time from when a device driver enables device clocks with - * clk_enable(), to when the register reads and writes on the device - * will succeed. This function should be called before clk_disable() - * is called, since the power state transition decision may be made - * during clk_disable(). - * - * It is intended that underlying PM code will use this information to - * determine what power state to put the powerdomain enclosing this - * device into. - * - * Multiple calls to omap_pm_set_max_dev_wakeup_lat() will replace the - * previous wakeup latency values for this device. To remove the - * wakeup latency restriction for this device, call with t = -1. - * - * Returns -EINVAL for an invalid argument, -ERANGE if the constraint - * is not satisfiable, or 0 upon success. - */ -int omap_pm_set_max_dev_wakeup_lat(struct device *req_dev, struct device *dev, - long t); - - -/** - * omap_pm_set_max_sdma_lat - set the maximum system DMA transfer start latency - * @dev: struct device * - * @t: maximum DMA transfer start latency in microseconds - * - * Request that the maximum system DMA transfer start latency for this - * device 'dev' should be no greater than 't' microseconds. "DMA - * transfer start latency" here is defined as the elapsed time from - * when a device (e.g., McBSP) requests that a system DMA transfer - * start or continue, to the time at which data starts to flow into - * that device from the system DMA controller. - * - * It is intended that underlying PM code will use this information to - * determine what power state to put the CORE powerdomain into. - * - * Since system DMA transfers may not involve the MPU, this function - * will not affect MPU wakeup latency. Use set_max_cpu_lat() to do - * so. Similarly, this function will not affect device wakeup latency - * -- use set_max_dev_wakeup_lat() to affect that. - * - * Multiple calls to set_max_sdma_lat() will replace the previous t - * value for this device. To remove the maximum DMA latency for this - * device, call with t = -1. - * - * Returns -EINVAL for an invalid argument, -ERANGE if the constraint - * is not satisfiable, or 0 upon success. - */ -int omap_pm_set_max_sdma_lat(struct device *dev, long t); - - -/** - * omap_pm_set_min_clk_rate - set minimum clock rate requested by @dev - * @dev: struct device * requesting the constraint - * @clk: struct clk * to set the minimum rate constraint on - * @r: minimum rate in Hz - * - * Request that the minimum clock rate on the device @dev's clk @clk - * be no less than @r Hz. - * - * It is expected that the OMAP PM code will use this information to - * find an OPP or clock setting that will satisfy this clock rate - * constraint, along with any other applicable system constraints on - * the clock rate or corresponding voltage, etc. - * - * omap_pm_set_min_clk_rate() differs from the clock code's - * clk_set_rate() in that it considers other constraints before taking - * any hardware action, and may change a system OPP rather than just a - * clock rate. clk_set_rate() is intended to be a low-level - * interface. - * - * omap_pm_set_min_clk_rate() is easily open to abuse. A better API - * would be something like "omap_pm_set_min_dev_performance()"; - * however, there is no easily-generalizable concept of performance - * that applies to all devices. Only a device (and possibly the - * device subsystem) has both the subsystem-specific knowledge, and - * the hardware IP block-specific knowledge, to translate a constraint - * on "touchscreen sampling accuracy" or "number of pixels or polygons - * rendered per second" to a clock rate. This translation can be - * dependent on the hardware IP block's revision, or firmware version, - * and the driver is the only code on the system that has this - * information and can know how to translate that into a clock rate. - * - * The intended use-case for this function is for userspace or other - * kernel code to communicate a particular performance requirement to - * a subsystem; then for the subsystem to communicate that requirement - * to something that is meaningful to the device driver; then for the - * device driver to convert that requirement to a clock rate, and to - * then call omap_pm_set_min_clk_rate(). - * - * Users of this function (such as device drivers) should not simply - * call this function with some high clock rate to ensure "high - * performance." Rather, the device driver should take a performance - * constraint from its subsystem, such as "render at least X polygons - * per second," and use some formula or table to convert that into a - * clock rate constraint given the hardware type and hardware - * revision. Device drivers or subsystems should not assume that they - * know how to make a power/performance tradeoff - some device use - * cases may tolerate a lower-fidelity device function for lower power - * consumption; others may demand a higher-fidelity device function, - * no matter what the power consumption. - * - * Multiple calls to omap_pm_set_min_clk_rate() will replace the - * previous rate value for the device @dev. To remove the minimum clock - * rate constraint for the device, call with r = 0. - * - * Returns -EINVAL for an invalid argument, -ERANGE if the constraint - * is not satisfiable, or 0 upon success. - */ -int omap_pm_set_min_clk_rate(struct device *dev, struct clk *c, long r); - -/* - * DSP Bridge-specific constraints - */ - -/** - * omap_pm_dsp_get_opp_table - get OPP->DSP clock frequency table - * - * Intended for use by DSPBridge. Returns an array of OPP->DSP clock - * frequency entries. The final item in the array should have .rate = - * .opp_id = 0. - */ -const struct omap_opp *omap_pm_dsp_get_opp_table(void); - -/** - * omap_pm_dsp_set_min_opp - receive desired OPP target ID from DSP Bridge - * @opp_id: target DSP OPP ID - * - * Set a minimum OPP ID for the DSP. This is intended to be called - * only from the DSP Bridge MPU-side driver. Unfortunately, the only - * information that code receives from the DSP/BIOS load estimator is the - * target OPP ID; hence, this interface. No return value. - */ -void omap_pm_dsp_set_min_opp(u8 opp_id); - -/** - * omap_pm_dsp_get_opp - report the current DSP OPP ID - * - * Report the current OPP for the DSP. Since on OMAP3, the DSP and - * MPU share a single voltage domain, the OPP ID returned back may - * represent a higher DSP speed than the OPP requested via - * omap_pm_dsp_set_min_opp(). - * - * Returns the current VDD1 OPP ID, or 0 upon error. - */ -u8 omap_pm_dsp_get_opp(void); - - -/* - * CPUFreq-originated constraint - * - * In the future, this should be handled by custom OPP clocktype - * functions. - */ - -/** - * omap_pm_cpu_get_freq_table - return a cpufreq_frequency_table array ptr - * - * Provide a frequency table usable by CPUFreq for the current chip/board. - * Returns a pointer to a struct cpufreq_frequency_table array or NULL - * upon error. - */ -struct cpufreq_frequency_table **omap_pm_cpu_get_freq_table(void); - -/** - * omap_pm_cpu_set_freq - set the current minimum MPU frequency - * @f: MPU frequency in Hz - * - * Set the current minimum CPU frequency. The actual CPU frequency - * used could end up higher if the DSP requested a higher OPP. - * Intended to be called by plat-omap/cpu_omap.c:omap_target(). No - * return value. - */ -void omap_pm_cpu_set_freq(unsigned long f); - -/** - * omap_pm_cpu_get_freq - report the current CPU frequency - * - * Returns the current MPU frequency, or 0 upon error. - */ -unsigned long omap_pm_cpu_get_freq(void); - - -/* - * Device context loss tracking - */ - -/** - * omap_pm_get_dev_context_loss_count - return count of times dev has lost ctx - * @dev: struct device * - * - * This function returns the number of times that the device @dev has - * lost its internal context. This generally occurs on a powerdomain - * transition to OFF. Drivers use this as an optimization to avoid restoring - * context if the device hasn't lost it. To use, drivers should initially - * call this in their context save functions and store the result. Early in - * the driver's context restore function, the driver should call this function - * again, and compare the result to the stored counter. If they differ, the - * driver must restore device context. If the number of context losses - * exceeds the maximum positive integer, the function will wrap to 0 and - * continue counting. Returns the number of context losses for this device, - * or zero upon error. - */ -u32 omap_pm_get_dev_context_loss_count(struct device *dev); - -void omap_pm_enable_off_mode(void); -void omap_pm_disable_off_mode(void); - -#endif diff --git a/arch/arm/plat-omap/include/plat/omap-serial.h b/arch/arm/plat-omap/include/plat/omap-serial.h deleted file mode 100644 index 2682043f5a5..00000000000 --- a/arch/arm/plat-omap/include/plat/omap-serial.h +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Driver for OMAP-UART controller. - * Based on drivers/serial/8250.c - * - * Copyright (C) 2010 Texas Instruments. - * - * Authors: - * Govindraj R <govindraj.raja@ti.com> - * Thara Gopinath <thara@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef __OMAP_SERIAL_H__ -#define __OMAP_SERIAL_H__ - -#include <linux/serial_core.h> -#include <linux/platform_device.h> - -#include <plat/mux.h> - -#define DRIVER_NAME "omap_uart" - -/* - * Use tty device name as ttyO, [O -> OMAP] - * in bootargs we specify as console=ttyO0 if uart1 - * is used as console uart. - */ -#define OMAP_SERIAL_NAME "ttyO" - -#define OMAP_MODE13X_SPEED 230400 - -/* WER = 0x7F - * Enable module level wakeup in WER reg - */ -#define OMAP_UART_WER_MOD_WKUP 0X7F - -/* Enable XON/XOFF flow control on output */ -#define OMAP_UART_SW_TX 0x04 - -/* Enable XON/XOFF flow control on input */ -#define OMAP_UART_SW_RX 0x04 - -#define OMAP_UART_SYSC_RESET 0X07 -#define OMAP_UART_TCR_TRIG 0X0F -#define OMAP_UART_SW_CLR 0XF0 -#define OMAP_UART_FIFO_CLR 0X06 - -#define OMAP_UART_DMA_CH_FREE -1 - -#define RX_TIMEOUT (3 * HZ) -#define OMAP_MAX_HSUART_PORTS 4 - -#define MSR_SAVE_FLAGS UART_MSR_ANY_DELTA - -struct omap_uart_port_info { - bool dma_enabled; /* To specify DMA Mode */ - unsigned int uartclk; /* UART clock rate */ - void __iomem *membase; /* ioremap cookie or NULL */ - resource_size_t mapbase; /* resource base */ - unsigned long irqflags; /* request_irq flags */ - upf_t flags; /* UPF_* flags */ -}; - -struct uart_omap_dma { - u8 uart_dma_tx; - u8 uart_dma_rx; - int rx_dma_channel; - int tx_dma_channel; - dma_addr_t rx_buf_dma_phys; - dma_addr_t tx_buf_dma_phys; - unsigned int uart_base; - /* - * Buffer for rx dma.It is not required for tx because the buffer - * comes from port structure. - */ - unsigned char *rx_buf; - unsigned int prev_rx_dma_pos; - int tx_buf_size; - int tx_dma_used; - int rx_dma_used; - spinlock_t tx_lock; - spinlock_t rx_lock; - /* timer to poll activity on rx dma */ - struct timer_list rx_timer; - int rx_buf_size; - int rx_timeout; -}; - -struct uart_omap_port { - struct uart_port port; - struct uart_omap_dma uart_dma; - struct platform_device *pdev; - - unsigned char ier; - unsigned char lcr; - unsigned char mcr; - unsigned char fcr; - unsigned char efr; - - int use_dma; - /* - * Some bits in registers are cleared on a read, so they must - * be saved whenever the register is read but the bits will not - * be immediately processed. - */ - unsigned int lsr_break_flag; - unsigned char msr_saved_flags; - char name[20]; - unsigned long port_activity; -}; - -#endif /* __OMAP_SERIAL_H__ */ diff --git a/arch/arm/plat-omap/include/plat/omap1510.h b/arch/arm/plat-omap/include/plat/omap1510.h deleted file mode 100644 index d2400466813..00000000000 --- a/arch/arm/plat-omap/include/plat/omap1510.h +++ /dev/null @@ -1,50 +0,0 @@ -/* arch/arm/plat-omap/include/mach/omap1510.h - * - * Hardware definitions for TI OMAP1510 processor. - * - * Cleanup for Linux-2.6 by Dirk Behme <dirk.behme@de.bosch.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ASM_ARCH_OMAP15XX_H -#define __ASM_ARCH_OMAP15XX_H - -/* - * ---------------------------------------------------------------------------- - * Base addresses - * ---------------------------------------------------------------------------- - */ - -/* Syntax: XX_BASE = Virtual base address, XX_START = Physical base address */ - -#define OMAP1510_DSP_BASE 0xE0000000 -#define OMAP1510_DSP_SIZE 0x28000 -#define OMAP1510_DSP_START 0xE0000000 - -#define OMAP1510_DSPREG_BASE 0xE1000000 -#define OMAP1510_DSPREG_SIZE SZ_128K -#define OMAP1510_DSPREG_START 0xE1000000 - -#define OMAP1510_DSP_MMU_BASE (0xfffed200) - -#endif /* __ASM_ARCH_OMAP15XX_H */ - diff --git a/arch/arm/plat-omap/include/plat/omap16xx.h b/arch/arm/plat-omap/include/plat/omap16xx.h deleted file mode 100644 index e69e1d857b4..00000000000 --- a/arch/arm/plat-omap/include/plat/omap16xx.h +++ /dev/null @@ -1,202 +0,0 @@ -/* arch/arm/plat-omap/include/mach/omap16xx.h - * - * Hardware definitions for TI OMAP1610/5912/1710 processors. - * - * Cleanup for Linux-2.6 by Dirk Behme <dirk.behme@de.bosch.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ASM_ARCH_OMAP16XX_H -#define __ASM_ARCH_OMAP16XX_H - -/* - * ---------------------------------------------------------------------------- - * Base addresses - * ---------------------------------------------------------------------------- - */ - -/* Syntax: XX_BASE = Virtual base address, XX_START = Physical base address */ - -#define OMAP16XX_DSP_BASE 0xE0000000 -#define OMAP16XX_DSP_SIZE 0x28000 -#define OMAP16XX_DSP_START 0xE0000000 - -#define OMAP16XX_DSPREG_BASE 0xE1000000 -#define OMAP16XX_DSPREG_SIZE SZ_128K -#define OMAP16XX_DSPREG_START 0xE1000000 - -#define OMAP16XX_SEC_BASE 0xFFFE4000 -#define OMAP16XX_SEC_DES (OMAP16XX_SEC_BASE + 0x0000) -#define OMAP16XX_SEC_SHA1MD5 (OMAP16XX_SEC_BASE + 0x0800) -#define OMAP16XX_SEC_RNG (OMAP16XX_SEC_BASE + 0x1000) - -/* - * --------------------------------------------------------------------------- - * Interrupts - * --------------------------------------------------------------------------- - */ -#define OMAP_IH2_0_BASE (0xfffe0000) -#define OMAP_IH2_1_BASE (0xfffe0100) -#define OMAP_IH2_2_BASE (0xfffe0200) -#define OMAP_IH2_3_BASE (0xfffe0300) - -#define OMAP_IH2_0_ITR (OMAP_IH2_0_BASE + 0x00) -#define OMAP_IH2_0_MIR (OMAP_IH2_0_BASE + 0x04) -#define OMAP_IH2_0_SIR_IRQ (OMAP_IH2_0_BASE + 0x10) -#define OMAP_IH2_0_SIR_FIQ (OMAP_IH2_0_BASE + 0x14) -#define OMAP_IH2_0_CONTROL (OMAP_IH2_0_BASE + 0x18) -#define OMAP_IH2_0_ILR0 (OMAP_IH2_0_BASE + 0x1c) -#define OMAP_IH2_0_ISR (OMAP_IH2_0_BASE + 0x9c) - -#define OMAP_IH2_1_ITR (OMAP_IH2_1_BASE + 0x00) -#define OMAP_IH2_1_MIR (OMAP_IH2_1_BASE + 0x04) -#define OMAP_IH2_1_SIR_IRQ (OMAP_IH2_1_BASE + 0x10) -#define OMAP_IH2_1_SIR_FIQ (OMAP_IH2_1_BASE + 0x14) -#define OMAP_IH2_1_CONTROL (OMAP_IH2_1_BASE + 0x18) -#define OMAP_IH2_1_ILR1 (OMAP_IH2_1_BASE + 0x1c) -#define OMAP_IH2_1_ISR (OMAP_IH2_1_BASE + 0x9c) - -#define OMAP_IH2_2_ITR (OMAP_IH2_2_BASE + 0x00) -#define OMAP_IH2_2_MIR (OMAP_IH2_2_BASE + 0x04) -#define OMAP_IH2_2_SIR_IRQ (OMAP_IH2_2_BASE + 0x10) -#define OMAP_IH2_2_SIR_FIQ (OMAP_IH2_2_BASE + 0x14) -#define OMAP_IH2_2_CONTROL (OMAP_IH2_2_BASE + 0x18) -#define OMAP_IH2_2_ILR2 (OMAP_IH2_2_BASE + 0x1c) -#define OMAP_IH2_2_ISR (OMAP_IH2_2_BASE + 0x9c) - -#define OMAP_IH2_3_ITR (OMAP_IH2_3_BASE + 0x00) -#define OMAP_IH2_3_MIR (OMAP_IH2_3_BASE + 0x04) -#define OMAP_IH2_3_SIR_IRQ (OMAP_IH2_3_BASE + 0x10) -#define OMAP_IH2_3_SIR_FIQ (OMAP_IH2_3_BASE + 0x14) -#define OMAP_IH2_3_CONTROL (OMAP_IH2_3_BASE + 0x18) -#define OMAP_IH2_3_ILR3 (OMAP_IH2_3_BASE + 0x1c) -#define OMAP_IH2_3_ISR (OMAP_IH2_3_BASE + 0x9c) - -/* - * ---------------------------------------------------------------------------- - * Clocks - * ---------------------------------------------------------------------------- - */ -#define OMAP16XX_ARM_IDLECT3 (CLKGEN_REG_BASE + 0x24) - -/* - * ---------------------------------------------------------------------------- - * Pin configuration registers - * ---------------------------------------------------------------------------- - */ -#define OMAP16XX_CONF_VOLTAGE_VDDSHV6 (1 << 8) -#define OMAP16XX_CONF_VOLTAGE_VDDSHV7 (1 << 9) -#define OMAP16XX_CONF_VOLTAGE_VDDSHV8 (1 << 10) -#define OMAP16XX_CONF_VOLTAGE_VDDSHV9 (1 << 11) -#define OMAP16XX_SUBLVDS_CONF_VALID (1 << 13) - -/* - * ---------------------------------------------------------------------------- - * System control registers - * ---------------------------------------------------------------------------- - */ -#define OMAP1610_RESET_CONTROL 0xfffe1140 - -/* - * --------------------------------------------------------------------------- - * TIPB bus interface - * --------------------------------------------------------------------------- - */ -#define TIPB_SWITCH_BASE (0xfffbc800) -#define OMAP16XX_MMCSD2_SSW_MPU_CONF (TIPB_SWITCH_BASE + 0x160) - -/* UART3 Registers Mapping through MPU bus */ -#define UART3_RHR (OMAP1_UART3_BASE + 0) -#define UART3_THR (OMAP1_UART3_BASE + 0) -#define UART3_DLL (OMAP1_UART3_BASE + 0) -#define UART3_IER (OMAP1_UART3_BASE + 4) -#define UART3_DLH (OMAP1_UART3_BASE + 4) -#define UART3_IIR (OMAP1_UART3_BASE + 8) -#define UART3_FCR (OMAP1_UART3_BASE + 8) -#define UART3_EFR (OMAP1_UART3_BASE + 8) -#define UART3_LCR (OMAP1_UART3_BASE + 0x0C) -#define UART3_MCR (OMAP1_UART3_BASE + 0x10) -#define UART3_XON1_ADDR1 (OMAP1_UART3_BASE + 0x10) -#define UART3_XON2_ADDR2 (OMAP1_UART3_BASE + 0x14) -#define UART3_LSR (OMAP1_UART3_BASE + 0x14) -#define UART3_TCR (OMAP1_UART3_BASE + 0x18) -#define UART3_MSR (OMAP1_UART3_BASE + 0x18) -#define UART3_XOFF1 (OMAP1_UART3_BASE + 0x18) -#define UART3_XOFF2 (OMAP1_UART3_BASE + 0x1C) -#define UART3_SPR (OMAP1_UART3_BASE + 0x1C) -#define UART3_TLR (OMAP1_UART3_BASE + 0x1C) -#define UART3_MDR1 (OMAP1_UART3_BASE + 0x20) -#define UART3_MDR2 (OMAP1_UART3_BASE + 0x24) -#define UART3_SFLSR (OMAP1_UART3_BASE + 0x28) -#define UART3_TXFLL (OMAP1_UART3_BASE + 0x28) -#define UART3_RESUME (OMAP1_UART3_BASE + 0x2C) -#define UART3_TXFLH (OMAP1_UART3_BASE + 0x2C) -#define UART3_SFREGL (OMAP1_UART3_BASE + 0x30) -#define UART3_RXFLL (OMAP1_UART3_BASE + 0x30) -#define UART3_SFREGH (OMAP1_UART3_BASE + 0x34) -#define UART3_RXFLH (OMAP1_UART3_BASE + 0x34) -#define UART3_BLR (OMAP1_UART3_BASE + 0x38) -#define UART3_ACREG (OMAP1_UART3_BASE + 0x3C) -#define UART3_DIV16 (OMAP1_UART3_BASE + 0x3C) -#define UART3_SCR (OMAP1_UART3_BASE + 0x40) -#define UART3_SSR (OMAP1_UART3_BASE + 0x44) -#define UART3_EBLR (OMAP1_UART3_BASE + 0x48) -#define UART3_OSC_12M_SEL (OMAP1_UART3_BASE + 0x4C) -#define UART3_MVR (OMAP1_UART3_BASE + 0x50) - -/* - * --------------------------------------------------------------------------- - * Watchdog timer - * --------------------------------------------------------------------------- - */ - -/* 32-bit Watchdog timer in OMAP 16XX */ -#define OMAP_16XX_WATCHDOG_BASE (0xfffeb000) -#define OMAP_16XX_WIDR (OMAP_16XX_WATCHDOG_BASE + 0x00) -#define OMAP_16XX_WD_SYSCONFIG (OMAP_16XX_WATCHDOG_BASE + 0x10) -#define OMAP_16XX_WD_SYSSTATUS (OMAP_16XX_WATCHDOG_BASE + 0x14) -#define OMAP_16XX_WCLR (OMAP_16XX_WATCHDOG_BASE + 0x24) -#define OMAP_16XX_WCRR (OMAP_16XX_WATCHDOG_BASE + 0x28) -#define OMAP_16XX_WLDR (OMAP_16XX_WATCHDOG_BASE + 0x2c) -#define OMAP_16XX_WTGR (OMAP_16XX_WATCHDOG_BASE + 0x30) -#define OMAP_16XX_WWPS (OMAP_16XX_WATCHDOG_BASE + 0x34) -#define OMAP_16XX_WSPR (OMAP_16XX_WATCHDOG_BASE + 0x48) - -#define WCLR_PRE_SHIFT 5 -#define WCLR_PTV_SHIFT 2 - -#define WWPS_W_PEND_WSPR (1 << 4) -#define WWPS_W_PEND_WTGR (1 << 3) -#define WWPS_W_PEND_WLDR (1 << 2) -#define WWPS_W_PEND_WCRR (1 << 1) -#define WWPS_W_PEND_WCLR (1 << 0) - -#define WSPR_ENABLE_0 (0x0000bbbb) -#define WSPR_ENABLE_1 (0x00004444) -#define WSPR_DISABLE_0 (0x0000aaaa) -#define WSPR_DISABLE_1 (0x00005555) - -#define OMAP16XX_DSP_MMU_BASE (0xfffed200) -#define OMAP16XX_MAILBOX_BASE (0xfffcf000) - -#endif /* __ASM_ARCH_OMAP16XX_H */ - diff --git a/arch/arm/plat-omap/include/plat/omap24xx.h b/arch/arm/plat-omap/include/plat/omap24xx.h deleted file mode 100644 index 92df9e27cc5..00000000000 --- a/arch/arm/plat-omap/include/plat/omap24xx.h +++ /dev/null @@ -1,89 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/omap24xx.h - * - * This file contains the processor specific definitions - * of the TI OMAP24XX. - * - * Copyright (C) 2007 Texas Instruments. - * Copyright (C) 2007 Nokia Corporation. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef __ASM_ARCH_OMAP2_H -#define __ASM_ARCH_OMAP2_H - -/* - * Please place only base defines here and put the rest in device - * specific headers. Note also that some of these defines are needed - * for omap1 to compile without adding ifdefs. - */ - -#define L4_24XX_BASE 0x48000000 -#define L4_WK_243X_BASE 0x49000000 -#define L3_24XX_BASE 0x68000000 - -/* interrupt controller */ -#define OMAP24XX_IC_BASE (L4_24XX_BASE + 0xfe000) -#define OMAP24XX_IVA_INTC_BASE 0x40000000 - -#define OMAP242X_CTRL_BASE L4_24XX_BASE -#define OMAP2420_32KSYNCT_BASE (L4_24XX_BASE + 0x4000) -#define OMAP2420_PRCM_BASE (L4_24XX_BASE + 0x8000) -#define OMAP2420_CM_BASE (L4_24XX_BASE + 0x8000) -#define OMAP2420_PRM_BASE OMAP2420_CM_BASE -#define OMAP2420_SDRC_BASE (L3_24XX_BASE + 0x9000) -#define OMAP2420_SMS_BASE 0x68008000 -#define OMAP2420_GPMC_BASE 0x6800a000 - -#define OMAP2430_32KSYNCT_BASE (L4_WK_243X_BASE + 0x20000) -#define OMAP2430_PRCM_BASE (L4_WK_243X_BASE + 0x6000) -#define OMAP2430_CM_BASE (L4_WK_243X_BASE + 0x6000) -#define OMAP2430_PRM_BASE OMAP2430_CM_BASE - -#define OMAP243X_SMS_BASE 0x6C000000 -#define OMAP243X_SDRC_BASE 0x6D000000 -#define OMAP243X_GPMC_BASE 0x6E000000 -#define OMAP243X_SCM_BASE (L4_WK_243X_BASE + 0x2000) -#define OMAP243X_CTRL_BASE OMAP243X_SCM_BASE -#define OMAP243X_HS_BASE (L4_24XX_BASE + 0x000ac000) - -/* DSP SS */ -#define OMAP2420_DSP_BASE 0x58000000 -#define OMAP2420_DSP_MEM_BASE (OMAP2420_DSP_BASE + 0x0) -#define OMAP2420_DSP_IPI_BASE (OMAP2420_DSP_BASE + 0x1000000) -#define OMAP2420_DSP_MMU_BASE (OMAP2420_DSP_BASE + 0x2000000) - -#define OMAP243X_DSP_BASE 0x5C000000 -#define OMAP243X_DSP_MEM_BASE (OMAP243X_DSP_BASE + 0x0) -#define OMAP243X_DSP_MMU_BASE (OMAP243X_DSP_BASE + 0x1000000) - -/* Mailbox */ -#define OMAP24XX_MAILBOX_BASE (L4_24XX_BASE + 0x94000) - -/* Camera */ -#define OMAP24XX_CAMERA_BASE (L4_24XX_BASE + 0x52000) - -/* Security */ -#define OMAP24XX_SEC_BASE (L4_24XX_BASE + 0xA0000) -#define OMAP24XX_SEC_RNG_BASE (OMAP24XX_SEC_BASE + 0x0000) -#define OMAP24XX_SEC_DES_BASE (OMAP24XX_SEC_BASE + 0x2000) -#define OMAP24XX_SEC_SHA1MD5_BASE (OMAP24XX_SEC_BASE + 0x4000) -#define OMAP24XX_SEC_AES_BASE (OMAP24XX_SEC_BASE + 0x6000) -#define OMAP24XX_SEC_PKA_BASE (OMAP24XX_SEC_BASE + 0x8000) - -#endif /* __ASM_ARCH_OMAP2_H */ - diff --git a/arch/arm/plat-omap/include/plat/omap34xx.h b/arch/arm/plat-omap/include/plat/omap34xx.h deleted file mode 100644 index 98fc8b4a4cc..00000000000 --- a/arch/arm/plat-omap/include/plat/omap34xx.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/omap34xx.h - * - * This file contains the processor specific definitions of the TI OMAP34XX. - * - * Copyright (C) 2007 Texas Instruments. - * Copyright (C) 2007 Nokia Corporation. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef __ASM_ARCH_OMAP3_H -#define __ASM_ARCH_OMAP3_H - -/* - * Please place only base defines here and put the rest in device - * specific headers. - */ - -#define L4_34XX_BASE 0x48000000 -#define L4_WK_34XX_BASE 0x48300000 -#define L4_PER_34XX_BASE 0x49000000 -#define L4_EMU_34XX_BASE 0x54000000 -#define L3_34XX_BASE 0x68000000 - -#define OMAP3430_32KSYNCT_BASE 0x48320000 -#define OMAP3430_CM_BASE 0x48004800 -#define OMAP3430_PRM_BASE 0x48306800 -#define OMAP343X_SMS_BASE 0x6C000000 -#define OMAP343X_SDRC_BASE 0x6D000000 -#define OMAP34XX_GPMC_BASE 0x6E000000 -#define OMAP343X_SCM_BASE 0x48002000 -#define OMAP343X_CTRL_BASE OMAP343X_SCM_BASE - -#define OMAP34XX_IC_BASE 0x48200000 - -#define OMAP3430_ISP_BASE (L4_34XX_BASE + 0xBC000) -#define OMAP3430_ISP_CBUFF_BASE (OMAP3430_ISP_BASE + 0x0100) -#define OMAP3430_ISP_CCP2_BASE (OMAP3430_ISP_BASE + 0x0400) -#define OMAP3430_ISP_CCDC_BASE (OMAP3430_ISP_BASE + 0x0600) -#define OMAP3430_ISP_HIST_BASE (OMAP3430_ISP_BASE + 0x0A00) -#define OMAP3430_ISP_H3A_BASE (OMAP3430_ISP_BASE + 0x0C00) -#define OMAP3430_ISP_PREV_BASE (OMAP3430_ISP_BASE + 0x0E00) -#define OMAP3430_ISP_RESZ_BASE (OMAP3430_ISP_BASE + 0x1000) -#define OMAP3430_ISP_SBL_BASE (OMAP3430_ISP_BASE + 0x1200) -#define OMAP3430_ISP_MMU_BASE (OMAP3430_ISP_BASE + 0x1400) -#define OMAP3430_ISP_CSI2A_BASE (OMAP3430_ISP_BASE + 0x1800) -#define OMAP3430_ISP_CSI2PHY_BASE (OMAP3430_ISP_BASE + 0x1970) - -#define OMAP3430_ISP_END (OMAP3430_ISP_BASE + 0x06F) -#define OMAP3430_ISP_CBUFF_END (OMAP3430_ISP_CBUFF_BASE + 0x077) -#define OMAP3430_ISP_CCP2_END (OMAP3430_ISP_CCP2_BASE + 0x1EF) -#define OMAP3430_ISP_CCDC_END (OMAP3430_ISP_CCDC_BASE + 0x0A7) -#define OMAP3430_ISP_HIST_END (OMAP3430_ISP_HIST_BASE + 0x047) -#define OMAP3430_ISP_H3A_END (OMAP3430_ISP_H3A_BASE + 0x05F) -#define OMAP3430_ISP_PREV_END (OMAP3430_ISP_PREV_BASE + 0x09F) -#define OMAP3430_ISP_RESZ_END (OMAP3430_ISP_RESZ_BASE + 0x0AB) -#define OMAP3430_ISP_SBL_END (OMAP3430_ISP_SBL_BASE + 0x0FB) -#define OMAP3430_ISP_MMU_END (OMAP3430_ISP_MMU_BASE + 0x06F) -#define OMAP3430_ISP_CSI2A_END (OMAP3430_ISP_CSI2A_BASE + 0x16F) -#define OMAP3430_ISP_CSI2PHY_END (OMAP3430_ISP_CSI2PHY_BASE + 0x007) - -#define OMAP34XX_HSUSB_OTG_BASE (L4_34XX_BASE + 0xAB000) -#define OMAP34XX_USBTLL_BASE (L4_34XX_BASE + 0x62000) -#define OMAP34XX_UHH_CONFIG_BASE (L4_34XX_BASE + 0x64000) -#define OMAP34XX_OHCI_BASE (L4_34XX_BASE + 0x64400) -#define OMAP34XX_EHCI_BASE (L4_34XX_BASE + 0x64800) -#define OMAP34XX_SR1_BASE 0x480C9000 -#define OMAP34XX_SR2_BASE 0x480CB000 - -#define OMAP34XX_MAILBOX_BASE (L4_34XX_BASE + 0x94000) - -/* Security */ -#define OMAP34XX_SEC_BASE (L4_34XX_BASE + 0xA0000) -#define OMAP34XX_SEC_SHA1MD5_BASE (OMAP34XX_SEC_BASE + 0x23000) -#define OMAP34XX_SEC_AES_BASE (OMAP34XX_SEC_BASE + 0x25000) - -#endif /* __ASM_ARCH_OMAP3_H */ - diff --git a/arch/arm/plat-omap/include/plat/omap4-keypad.h b/arch/arm/plat-omap/include/plat/omap4-keypad.h deleted file mode 100644 index 2b1d9bc1eeb..00000000000 --- a/arch/arm/plat-omap/include/plat/omap4-keypad.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef ARCH_ARM_PLAT_OMAP4_KEYPAD_H -#define ARCH_ARM_PLAT_OMAP4_KEYPAD_H - -#include <linux/input/matrix_keypad.h> - -struct omap4_keypad_platform_data { - const struct matrix_keymap_data *keymap_data; - - u8 rows; - u8 cols; -}; - -extern int omap4_keyboard_init(struct omap4_keypad_platform_data *); -#endif diff --git a/arch/arm/plat-omap/include/plat/omap44xx.h b/arch/arm/plat-omap/include/plat/omap44xx.h deleted file mode 100644 index ea2b8a6306e..00000000000 --- a/arch/arm/plat-omap/include/plat/omap44xx.h +++ /dev/null @@ -1,61 +0,0 @@ -/*: - * Address mappings and base address for OMAP4 interconnects - * and peripherals. - * - * Copyright (C) 2009 Texas Instruments - * - * Author: Santosh Shilimkar <santosh.shilimkar@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __ASM_ARCH_OMAP44XX_H -#define __ASM_ARCH_OMAP44XX_H - -/* - * Please place only base defines here and put the rest in device - * specific headers. - */ -#define L4_44XX_BASE 0x4a000000 -#define L4_WK_44XX_BASE 0x4a300000 -#define L4_PER_44XX_BASE 0x48000000 -#define L4_EMU_44XX_BASE 0x54000000 -#define L3_44XX_BASE 0x44000000 -#define OMAP44XX_EMIF1_BASE 0x4c000000 -#define OMAP44XX_EMIF2_BASE 0x4d000000 -#define OMAP44XX_DMM_BASE 0x4e000000 -#define OMAP4430_32KSYNCT_BASE 0x4a304000 -#define OMAP4430_CM1_BASE 0x4a004000 -#define OMAP4430_CM_BASE OMAP4430_CM1_BASE -#define OMAP4430_CM2_BASE 0x4a008000 -#define OMAP4430_PRM_BASE 0x4a306000 -#define OMAP4430_PRCM_MPU_BASE 0x48243000 -#define OMAP44XX_GPMC_BASE 0x50000000 -#define OMAP443X_SCM_BASE 0x4a002000 -#define OMAP443X_CTRL_BASE 0x4a100000 -#define OMAP44XX_IC_BASE 0x48200000 -#define OMAP44XX_IVA_INTC_BASE 0x40000000 -#define IRQ_SIR_IRQ 0x0040 -#define OMAP44XX_GIC_DIST_BASE 0x48241000 -#define OMAP44XX_GIC_CPU_BASE 0x48240100 -#define OMAP44XX_SCU_BASE 0x48240000 -#define OMAP44XX_LOCAL_TWD_BASE 0x48240600 -#define OMAP44XX_L2CACHE_BASE 0x48242000 -#define OMAP44XX_WKUPGEN_BASE 0x48281000 -#define OMAP44XX_MCPDM_BASE 0x40132000 -#define OMAP44XX_MCPDM_L3_BASE 0x49032000 - -#define OMAP44XX_MAILBOX_BASE (L4_44XX_BASE + 0xF4000) -#define OMAP44XX_HSUSB_OTG_BASE (L4_44XX_BASE + 0xAB000) - -#define OMAP4_MMU1_BASE 0x55082000 -#define OMAP4_MMU2_BASE 0x4A066000 - -#define OMAP44XX_USBTLL_BASE (L4_44XX_BASE + 0x62000) -#define OMAP44XX_UHH_CONFIG_BASE (L4_44XX_BASE + 0x64000) -#define OMAP44XX_HSUSB_OHCI_BASE (L4_44XX_BASE + 0x64800) -#define OMAP44XX_HSUSB_EHCI_BASE (L4_44XX_BASE + 0x64C00) - -#endif /* __ASM_ARCH_OMAP44XX_H */ - diff --git a/arch/arm/plat-omap/include/plat/omap730.h b/arch/arm/plat-omap/include/plat/omap730.h deleted file mode 100644 index 14272bc1a6f..00000000000 --- a/arch/arm/plat-omap/include/plat/omap730.h +++ /dev/null @@ -1,102 +0,0 @@ -/* arch/arm/plat-omap/include/mach/omap730.h - * - * Hardware definitions for TI OMAP730 processor. - * - * Cleanup for Linux-2.6 by Dirk Behme <dirk.behme@de.bosch.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ASM_ARCH_OMAP730_H -#define __ASM_ARCH_OMAP730_H - -/* - * ---------------------------------------------------------------------------- - * Base addresses - * ---------------------------------------------------------------------------- - */ - -/* Syntax: XX_BASE = Virtual base address, XX_START = Physical base address */ - -#define OMAP730_DSP_BASE 0xE0000000 -#define OMAP730_DSP_SIZE 0x50000 -#define OMAP730_DSP_START 0xE0000000 - -#define OMAP730_DSPREG_BASE 0xE1000000 -#define OMAP730_DSPREG_SIZE SZ_128K -#define OMAP730_DSPREG_START 0xE1000000 - -/* - * ---------------------------------------------------------------------------- - * OMAP730 specific configuration registers - * ---------------------------------------------------------------------------- - */ -#define OMAP730_CONFIG_BASE 0xfffe1000 -#define OMAP730_IO_CONF_0 0xfffe1070 -#define OMAP730_IO_CONF_1 0xfffe1074 -#define OMAP730_IO_CONF_2 0xfffe1078 -#define OMAP730_IO_CONF_3 0xfffe107c -#define OMAP730_IO_CONF_4 0xfffe1080 -#define OMAP730_IO_CONF_5 0xfffe1084 -#define OMAP730_IO_CONF_6 0xfffe1088 -#define OMAP730_IO_CONF_7 0xfffe108c -#define OMAP730_IO_CONF_8 0xfffe1090 -#define OMAP730_IO_CONF_9 0xfffe1094 -#define OMAP730_IO_CONF_10 0xfffe1098 -#define OMAP730_IO_CONF_11 0xfffe109c -#define OMAP730_IO_CONF_12 0xfffe10a0 -#define OMAP730_IO_CONF_13 0xfffe10a4 - -#define OMAP730_MODE_1 0xfffe1010 -#define OMAP730_MODE_2 0xfffe1014 - -/* CSMI specials: in terms of base + offset */ -#define OMAP730_MODE2_OFFSET 0x14 - -/* - * ---------------------------------------------------------------------------- - * OMAP730 traffic controller configuration registers - * ---------------------------------------------------------------------------- - */ -#define OMAP730_FLASH_CFG_0 0xfffecc10 -#define OMAP730_FLASH_ACFG_0 0xfffecc50 -#define OMAP730_FLASH_CFG_1 0xfffecc14 -#define OMAP730_FLASH_ACFG_1 0xfffecc54 - -/* - * ---------------------------------------------------------------------------- - * OMAP730 DSP control registers - * ---------------------------------------------------------------------------- - */ -#define OMAP730_ICR_BASE 0xfffbb800 -#define OMAP730_DSP_M_CTL 0xfffbb804 -#define OMAP730_DSP_MMU_BASE 0xfffed200 - -/* - * ---------------------------------------------------------------------------- - * OMAP730 PCC_UPLD configuration registers - * ---------------------------------------------------------------------------- - */ -#define OMAP730_PCC_UPLD_CTRL_BASE (0xfffe0900) -#define OMAP730_PCC_UPLD_CTRL (OMAP730_PCC_UPLD_CTRL_BASE + 0x00) - -#endif /* __ASM_ARCH_OMAP730_H */ - diff --git a/arch/arm/plat-omap/include/plat/omap7xx.h b/arch/arm/plat-omap/include/plat/omap7xx.h deleted file mode 100644 index 48e4757e1e3..00000000000 --- a/arch/arm/plat-omap/include/plat/omap7xx.h +++ /dev/null @@ -1,107 +0,0 @@ -/* arch/arm/plat-omap/include/mach/omap7xx.h - * - * Hardware definitions for TI OMAP7XX processor. - * - * Cleanup for Linux-2.6 by Dirk Behme <dirk.behme@de.bosch.com> - * Adapted for omap850 by Zebediah C. McClure <zmc@lurian.net> - * Adapted for omap7xx by Alistair Buxton <a.j.buxton@gmail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ASM_ARCH_OMAP7XX_H -#define __ASM_ARCH_OMAP7XX_H - -/* - * ---------------------------------------------------------------------------- - * Base addresses - * ---------------------------------------------------------------------------- - */ - -/* Syntax: XX_BASE = Virtual base address, XX_START = Physical base address */ - -#define OMAP7XX_DSP_BASE 0xE0000000 -#define OMAP7XX_DSP_SIZE 0x50000 -#define OMAP7XX_DSP_START 0xE0000000 - -#define OMAP7XX_DSPREG_BASE 0xE1000000 -#define OMAP7XX_DSPREG_SIZE SZ_128K -#define OMAP7XX_DSPREG_START 0xE1000000 - -#define OMAP7XX_SPI1_BASE 0xfffc0800 -#define OMAP7XX_SPI2_BASE 0xfffc1000 - -/* - * ---------------------------------------------------------------------------- - * OMAP7XX specific configuration registers - * ---------------------------------------------------------------------------- - */ -#define OMAP7XX_CONFIG_BASE 0xfffe1000 -#define OMAP7XX_IO_CONF_0 0xfffe1070 -#define OMAP7XX_IO_CONF_1 0xfffe1074 -#define OMAP7XX_IO_CONF_2 0xfffe1078 -#define OMAP7XX_IO_CONF_3 0xfffe107c -#define OMAP7XX_IO_CONF_4 0xfffe1080 -#define OMAP7XX_IO_CONF_5 0xfffe1084 -#define OMAP7XX_IO_CONF_6 0xfffe1088 -#define OMAP7XX_IO_CONF_7 0xfffe108c -#define OMAP7XX_IO_CONF_8 0xfffe1090 -#define OMAP7XX_IO_CONF_9 0xfffe1094 -#define OMAP7XX_IO_CONF_10 0xfffe1098 -#define OMAP7XX_IO_CONF_11 0xfffe109c -#define OMAP7XX_IO_CONF_12 0xfffe10a0 -#define OMAP7XX_IO_CONF_13 0xfffe10a4 - -#define OMAP7XX_MODE_1 0xfffe1010 -#define OMAP7XX_MODE_2 0xfffe1014 - -/* CSMI specials: in terms of base + offset */ -#define OMAP7XX_MODE2_OFFSET 0x14 - -/* - * ---------------------------------------------------------------------------- - * OMAP7XX traffic controller configuration registers - * ---------------------------------------------------------------------------- - */ -#define OMAP7XX_FLASH_CFG_0 0xfffecc10 -#define OMAP7XX_FLASH_ACFG_0 0xfffecc50 -#define OMAP7XX_FLASH_CFG_1 0xfffecc14 -#define OMAP7XX_FLASH_ACFG_1 0xfffecc54 - -/* - * ---------------------------------------------------------------------------- - * OMAP7XX DSP control registers - * ---------------------------------------------------------------------------- - */ -#define OMAP7XX_ICR_BASE 0xfffbb800 -#define OMAP7XX_DSP_M_CTL 0xfffbb804 -#define OMAP7XX_DSP_MMU_BASE 0xfffed200 - -/* - * ---------------------------------------------------------------------------- - * OMAP7XX PCC_UPLD configuration registers - * ---------------------------------------------------------------------------- - */ -#define OMAP7XX_PCC_UPLD_CTRL_BASE (0xfffe0900) -#define OMAP7XX_PCC_UPLD_CTRL (OMAP7XX_PCC_UPLD_CTRL_BASE + 0x00) - -#endif /* __ASM_ARCH_OMAP7XX_H */ - diff --git a/arch/arm/plat-omap/include/plat/omap850.h b/arch/arm/plat-omap/include/plat/omap850.h deleted file mode 100644 index c33f6798171..00000000000 --- a/arch/arm/plat-omap/include/plat/omap850.h +++ /dev/null @@ -1,102 +0,0 @@ -/* arch/arm/plat-omap/include/mach/omap850.h - * - * Hardware definitions for TI OMAP850 processor. - * - * Derived from omap730.h by Zebediah C. McClure <zmc@lurian.net> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ASM_ARCH_OMAP850_H -#define __ASM_ARCH_OMAP850_H - -/* - * ---------------------------------------------------------------------------- - * Base addresses - * ---------------------------------------------------------------------------- - */ - -/* Syntax: XX_BASE = Virtual base address, XX_START = Physical base address */ - -#define OMAP850_DSP_BASE 0xE0000000 -#define OMAP850_DSP_SIZE 0x50000 -#define OMAP850_DSP_START 0xE0000000 - -#define OMAP850_DSPREG_BASE 0xE1000000 -#define OMAP850_DSPREG_SIZE SZ_128K -#define OMAP850_DSPREG_START 0xE1000000 - -/* - * ---------------------------------------------------------------------------- - * OMAP850 specific configuration registers - * ---------------------------------------------------------------------------- - */ -#define OMAP850_CONFIG_BASE 0xfffe1000 -#define OMAP850_IO_CONF_0 0xfffe1070 -#define OMAP850_IO_CONF_1 0xfffe1074 -#define OMAP850_IO_CONF_2 0xfffe1078 -#define OMAP850_IO_CONF_3 0xfffe107c -#define OMAP850_IO_CONF_4 0xfffe1080 -#define OMAP850_IO_CONF_5 0xfffe1084 -#define OMAP850_IO_CONF_6 0xfffe1088 -#define OMAP850_IO_CONF_7 0xfffe108c -#define OMAP850_IO_CONF_8 0xfffe1090 -#define OMAP850_IO_CONF_9 0xfffe1094 -#define OMAP850_IO_CONF_10 0xfffe1098 -#define OMAP850_IO_CONF_11 0xfffe109c -#define OMAP850_IO_CONF_12 0xfffe10a0 -#define OMAP850_IO_CONF_13 0xfffe10a4 - -#define OMAP850_MODE_1 0xfffe1010 -#define OMAP850_MODE_2 0xfffe1014 - -/* CSMI specials: in terms of base + offset */ -#define OMAP850_MODE2_OFFSET 0x14 - -/* - * ---------------------------------------------------------------------------- - * OMAP850 traffic controller configuration registers - * ---------------------------------------------------------------------------- - */ -#define OMAP850_FLASH_CFG_0 0xfffecc10 -#define OMAP850_FLASH_ACFG_0 0xfffecc50 -#define OMAP850_FLASH_CFG_1 0xfffecc14 -#define OMAP850_FLASH_ACFG_1 0xfffecc54 - -/* - * ---------------------------------------------------------------------------- - * OMAP850 DSP control registers - * ---------------------------------------------------------------------------- - */ -#define OMAP850_ICR_BASE 0xfffbb800 -#define OMAP850_DSP_M_CTL 0xfffbb804 -#define OMAP850_DSP_MMU_BASE 0xfffed200 - -/* - * ---------------------------------------------------------------------------- - * OMAP850 PCC_UPLD configuration registers - * ---------------------------------------------------------------------------- - */ -#define OMAP850_PCC_UPLD_CTRL_BASE (0xfffe0900) -#define OMAP850_PCC_UPLD_CTRL (OMAP850_PCC_UPLD_CTRL_BASE + 0x00) - -#endif /* __ASM_ARCH_OMAP850_H */ - diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h deleted file mode 100644 index e4c349ff9fd..00000000000 --- a/arch/arm/plat-omap/include/plat/omap_device.h +++ /dev/null @@ -1,153 +0,0 @@ -/* - * omap_device headers - * - * Copyright (C) 2009 Nokia Corporation - * Paul Walmsley - * - * Developed in collaboration with (alphabetical order): Benoit - * Cousson, Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram - * Pandita, Sakari Poussa, Anand Sawant, Santosh Shilimkar, Richard - * Woodruff - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Eventually this type of functionality should either be - * a) implemented via arch-specific pointers in platform_device - * or - * b) implemented as a proper omap_bus/omap_device in Linux, no more - * platform_device - * - * omap_device differs from omap_hwmod in that it includes external - * (e.g., board- and system-level) integration details. omap_hwmod - * stores hardware data that is invariant for a given OMAP chip. - * - * To do: - * - GPIO integration - * - regulator integration - * - */ -#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H -#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H - -#include <linux/kernel.h> -#include <linux/platform_device.h> - -#include <plat/omap_hwmod.h> - -extern struct device omap_device_parent; - -/* omap_device._state values */ -#define OMAP_DEVICE_STATE_UNKNOWN 0 -#define OMAP_DEVICE_STATE_ENABLED 1 -#define OMAP_DEVICE_STATE_IDLE 2 -#define OMAP_DEVICE_STATE_SHUTDOWN 3 - -/** - * struct omap_device - omap_device wrapper for platform_devices - * @pdev: platform_device - * @hwmods: (one .. many per omap_device) - * @hwmods_cnt: ARRAY_SIZE() of @hwmods - * @pm_lats: ptr to an omap_device_pm_latency table - * @pm_lats_cnt: ARRAY_SIZE() of what is passed to @pm_lats - * @pm_lat_level: array index of the last odpl entry executed - -1 if never - * @dev_wakeup_lat: dev wakeup latency in nanoseconds - * @_dev_wakeup_lat_limit: dev wakeup latency limit in nsec - set by OMAP PM - * @_state: one of OMAP_DEVICE_STATE_* (see above) - * @flags: device flags - * - * Integrates omap_hwmod data into Linux platform_device. - * - * Field names beginning with underscores are for the internal use of - * the omap_device code. - * - */ -struct omap_device { - struct platform_device pdev; - struct omap_hwmod **hwmods; - struct omap_device_pm_latency *pm_lats; - u32 dev_wakeup_lat; - u32 _dev_wakeup_lat_limit; - u8 pm_lats_cnt; - s8 pm_lat_level; - u8 hwmods_cnt; - u8 _state; -}; - -/* Device driver interface (call via platform_data fn ptrs) */ - -int omap_device_enable(struct platform_device *pdev); -int omap_device_idle(struct platform_device *pdev); -int omap_device_shutdown(struct platform_device *pdev); - -/* Core code interface */ - -int omap_device_count_resources(struct omap_device *od); -int omap_device_fill_resources(struct omap_device *od, struct resource *res); - -struct omap_device *omap_device_build(const char *pdev_name, int pdev_id, - struct omap_hwmod *oh, void *pdata, - int pdata_len, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt, int is_early_device); - -struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id, - struct omap_hwmod **oh, int oh_cnt, - void *pdata, int pdata_len, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt, int is_early_device); - -int omap_device_register(struct omap_device *od); -int omap_early_device_register(struct omap_device *od); - -void __iomem *omap_device_get_rt_va(struct omap_device *od); - -/* OMAP PM interface */ -int omap_device_align_pm_lat(struct platform_device *pdev, - u32 new_wakeup_lat_limit); -struct powerdomain *omap_device_get_pwrdm(struct omap_device *od); -u32 omap_device_get_context_loss_count(struct platform_device *pdev); - -/* Other */ - -int omap_device_idle_hwmods(struct omap_device *od); -int omap_device_enable_hwmods(struct omap_device *od); - -int omap_device_disable_clocks(struct omap_device *od); -int omap_device_enable_clocks(struct omap_device *od); - - -/* - * Entries should be kept in latency order ascending - * - * deact_lat is the maximum number of microseconds required to complete - * deactivate_func() at the device's slowest OPP. - * - * act_lat is the maximum number of microseconds required to complete - * activate_func() at the device's slowest OPP. - * - * This will result in some suboptimal power management decisions at fast - * OPPs, but avoids having to recompute all device power management decisions - * if the system shifts from a fast OPP to a slow OPP (in order to meet - * latency requirements). - * - * XXX should deactivate_func/activate_func() take platform_device pointers - * rather than omap_device pointers? - */ -struct omap_device_pm_latency { - u32 deactivate_lat; - u32 deactivate_lat_worst; - int (*deactivate_func)(struct omap_device *od); - u32 activate_lat; - u32 activate_lat_worst; - int (*activate_func)(struct omap_device *od); - u32 flags; -}; - -#define OMAP_DEVICE_LATENCY_AUTO_ADJUST BIT(1) - -/* Get omap_device pointer from platform_device pointer */ -#define to_omap_device(x) container_of((x), struct omap_device, pdev) - -#endif diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h deleted file mode 100644 index 1eee85a8abb..00000000000 --- a/arch/arm/plat-omap/include/plat/omap_hwmod.h +++ /dev/null @@ -1,601 +0,0 @@ -/* - * omap_hwmod macros, structures - * - * Copyright (C) 2009-2010 Nokia Corporation - * Paul Walmsley - * - * Created in collaboration with (alphabetical order): Benoît Cousson, - * Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram Pandita, Sakari - * Poussa, Anand Sawant, Santosh Shilimkar, Richard Woodruff - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * These headers and macros are used to define OMAP on-chip module - * data and their integration with other OMAP modules and Linux. - * Copious documentation and references can also be found in the - * omap_hwmod code, in arch/arm/mach-omap2/omap_hwmod.c (as of this - * writing). - * - * To do: - * - add interconnect error log structures - * - add pinmuxing - * - init_conn_id_bit (CONNID_BIT_VECTOR) - * - implement default hwmod SMS/SDRC flags? - * - move Linux-specific data ("non-ROM data") out - * - */ -#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H -#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H - -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/ioport.h> -#include <linux/spinlock.h> -#include <plat/cpu.h> -#include <plat/voltage.h> - -struct omap_device; - -extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type1; -extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2; - -/* - * OCP SYSCONFIG bit shifts/masks TYPE1. These are for IPs compliant - * with the original PRCM protocol defined for OMAP2420 - */ -#define SYSC_TYPE1_MIDLEMODE_SHIFT 12 -#define SYSC_TYPE1_MIDLEMODE_MASK (0x3 << SYSC_MIDLEMODE_SHIFT) -#define SYSC_TYPE1_CLOCKACTIVITY_SHIFT 8 -#define SYSC_TYPE1_CLOCKACTIVITY_MASK (0x3 << SYSC_CLOCKACTIVITY_SHIFT) -#define SYSC_TYPE1_SIDLEMODE_SHIFT 3 -#define SYSC_TYPE1_SIDLEMODE_MASK (0x3 << SYSC_SIDLEMODE_SHIFT) -#define SYSC_TYPE1_ENAWAKEUP_SHIFT 2 -#define SYSC_TYPE1_ENAWAKEUP_MASK (1 << SYSC_ENAWAKEUP_SHIFT) -#define SYSC_TYPE1_SOFTRESET_SHIFT 1 -#define SYSC_TYPE1_SOFTRESET_MASK (1 << SYSC_SOFTRESET_SHIFT) -#define SYSC_TYPE1_AUTOIDLE_SHIFT 0 -#define SYSC_TYPE1_AUTOIDLE_MASK (1 << SYSC_AUTOIDLE_SHIFT) - -/* - * OCP SYSCONFIG bit shifts/masks TYPE2. These are for IPs compliant - * with the new PRCM protocol defined for new OMAP4 IPs. - */ -#define SYSC_TYPE2_SOFTRESET_SHIFT 0 -#define SYSC_TYPE2_SOFTRESET_MASK (1 << SYSC_TYPE2_SOFTRESET_SHIFT) -#define SYSC_TYPE2_SIDLEMODE_SHIFT 2 -#define SYSC_TYPE2_SIDLEMODE_MASK (0x3 << SYSC_TYPE2_SIDLEMODE_SHIFT) -#define SYSC_TYPE2_MIDLEMODE_SHIFT 4 -#define SYSC_TYPE2_MIDLEMODE_MASK (0x3 << SYSC_TYPE2_MIDLEMODE_SHIFT) - -/* OCP SYSSTATUS bit shifts/masks */ -#define SYSS_RESETDONE_SHIFT 0 -#define SYSS_RESETDONE_MASK (1 << SYSS_RESETDONE_SHIFT) - -/* Master standby/slave idle mode flags */ -#define HWMOD_IDLEMODE_FORCE (1 << 0) -#define HWMOD_IDLEMODE_NO (1 << 1) -#define HWMOD_IDLEMODE_SMART (1 << 2) -/* Slave idle mode flag only */ -#define HWMOD_IDLEMODE_SMART_WKUP (1 << 3) - -/** - * struct omap_hwmod_mux_info - hwmod specific mux configuration - * @pads: array of omap_device_pad entries - * @nr_pads: number of omap_device_pad entries - * - * Note that this is currently built during init as needed. - */ -struct omap_hwmod_mux_info { - int nr_pads; - struct omap_device_pad *pads; -}; - -/** - * struct omap_hwmod_irq_info - MPU IRQs used by the hwmod - * @name: name of the IRQ channel (module local name) - * @irq_ch: IRQ channel ID - * - * @name should be something short, e.g., "tx" or "rx". It is for use - * by platform_get_resource_byname(). It is defined locally to the - * hwmod. - */ -struct omap_hwmod_irq_info { - const char *name; - u16 irq; -}; - -/** - * struct omap_hwmod_dma_info - DMA channels used by the hwmod - * @name: name of the DMA channel (module local name) - * @dma_req: DMA request ID - * - * @name should be something short, e.g., "tx" or "rx". It is for use - * by platform_get_resource_byname(). It is defined locally to the - * hwmod. - */ -struct omap_hwmod_dma_info { - const char *name; - u16 dma_req; -}; - -/** - * struct omap_hwmod_rst_info - IPs reset lines use by hwmod - * @name: name of the reset line (module local name) - * @rst_shift: Offset of the reset bit - * - * @name should be something short, e.g., "cpu0" or "rst". It is defined - * locally to the hwmod. - */ -struct omap_hwmod_rst_info { - const char *name; - u8 rst_shift; -}; - -/** - * struct omap_hwmod_opt_clk - optional clocks used by this hwmod - * @role: "sys", "32k", "tv", etc -- for use in clk_get() - * @clk: opt clock: OMAP clock name - * @_clk: pointer to the struct clk (filled in at runtime) - * - * The module's interface clock and main functional clock should not - * be added as optional clocks. - */ -struct omap_hwmod_opt_clk { - const char *role; - const char *clk; - struct clk *_clk; -}; - - -/* omap_hwmod_omap2_firewall.flags bits */ -#define OMAP_FIREWALL_L3 (1 << 0) -#define OMAP_FIREWALL_L4 (1 << 1) - -/** - * struct omap_hwmod_omap2_firewall - OMAP2/3 device firewall data - * @l3_perm_bit: bit shift for L3_PM_*_PERMISSION_* - * @l4_fw_region: L4 firewall region ID - * @l4_prot_group: L4 protection group ID - * @flags: (see omap_hwmod_omap2_firewall.flags macros above) - */ -struct omap_hwmod_omap2_firewall { - u8 l3_perm_bit; - u8 l4_fw_region; - u8 l4_prot_group; - u8 flags; -}; - - -/* - * omap_hwmod_addr_space.flags bits - * - * ADDR_MAP_ON_INIT: Map this address space during omap_hwmod init. - * ADDR_TYPE_RT: Address space contains module register target data. - */ -#define ADDR_MAP_ON_INIT (1 << 0) /* XXX does not belong */ -#define ADDR_TYPE_RT (1 << 1) - -/** - * struct omap_hwmod_addr_space - MPU address space handled by the hwmod - * @pa_start: starting physical address - * @pa_end: ending physical address - * @flags: (see omap_hwmod_addr_space.flags macros above) - * - * Address space doesn't necessarily follow physical interconnect - * structure. GPMC is one example. - */ -struct omap_hwmod_addr_space { - u32 pa_start; - u32 pa_end; - u8 flags; -}; - - -/* - * omap_hwmod_ocp_if.user bits: these indicate the initiators that use this - * interface to interact with the hwmod. Used to add sleep dependencies - * when the module is enabled or disabled. - */ -#define OCP_USER_MPU (1 << 0) -#define OCP_USER_SDMA (1 << 1) - -/* omap_hwmod_ocp_if.flags bits */ -#define OCPIF_SWSUP_IDLE (1 << 0) -#define OCPIF_CAN_BURST (1 << 1) - -/** - * struct omap_hwmod_ocp_if - OCP interface data - * @master: struct omap_hwmod that initiates OCP transactions on this link - * @slave: struct omap_hwmod that responds to OCP transactions on this link - * @addr: address space associated with this link - * @clk: interface clock: OMAP clock name - * @_clk: pointer to the interface struct clk (filled in at runtime) - * @fw: interface firewall data - * @addr_cnt: ARRAY_SIZE(@addr) - * @width: OCP data width - * @user: initiators using this interface (see OCP_USER_* macros above) - * @flags: OCP interface flags (see OCPIF_* macros above) - * - * It may also be useful to add a tag_cnt field for OCP2.x devices. - * - * Parameter names beginning with an underscore are managed internally by - * the omap_hwmod code and should not be set during initialization. - */ -struct omap_hwmod_ocp_if { - struct omap_hwmod *master; - struct omap_hwmod *slave; - struct omap_hwmod_addr_space *addr; - const char *clk; - struct clk *_clk; - union { - struct omap_hwmod_omap2_firewall omap2; - } fw; - u8 addr_cnt; - u8 width; - u8 user; - u8 flags; -}; - - -/* Macros for use in struct omap_hwmod_sysconfig */ - -/* Flags for use in omap_hwmod_sysconfig.idlemodes */ -#define MASTER_STANDBY_SHIFT 4 -#define SLAVE_IDLE_SHIFT 0 -#define SIDLE_FORCE (HWMOD_IDLEMODE_FORCE << SLAVE_IDLE_SHIFT) -#define SIDLE_NO (HWMOD_IDLEMODE_NO << SLAVE_IDLE_SHIFT) -#define SIDLE_SMART (HWMOD_IDLEMODE_SMART << SLAVE_IDLE_SHIFT) -#define SIDLE_SMART_WKUP (HWMOD_IDLEMODE_SMART_WKUP << SLAVE_IDLE_SHIFT) -#define MSTANDBY_FORCE (HWMOD_IDLEMODE_FORCE << MASTER_STANDBY_SHIFT) -#define MSTANDBY_NO (HWMOD_IDLEMODE_NO << MASTER_STANDBY_SHIFT) -#define MSTANDBY_SMART (HWMOD_IDLEMODE_SMART << MASTER_STANDBY_SHIFT) - -/* omap_hwmod_sysconfig.sysc_flags capability flags */ -#define SYSC_HAS_AUTOIDLE (1 << 0) -#define SYSC_HAS_SOFTRESET (1 << 1) -#define SYSC_HAS_ENAWAKEUP (1 << 2) -#define SYSC_HAS_EMUFREE (1 << 3) -#define SYSC_HAS_CLOCKACTIVITY (1 << 4) -#define SYSC_HAS_SIDLEMODE (1 << 5) -#define SYSC_HAS_MIDLEMODE (1 << 6) -#define SYSS_HAS_RESET_STATUS (1 << 7) -#define SYSC_NO_CACHE (1 << 8) /* XXX SW flag, belongs elsewhere */ -#define SYSC_HAS_RESET_STATUS (1 << 9) - -/* omap_hwmod_sysconfig.clockact flags */ -#define CLOCKACT_TEST_BOTH 0x0 -#define CLOCKACT_TEST_MAIN 0x1 -#define CLOCKACT_TEST_ICLK 0x2 -#define CLOCKACT_TEST_NONE 0x3 - -/** - * struct omap_hwmod_sysc_fields - hwmod OCP_SYSCONFIG register field offsets. - * @midle_shift: Offset of the midle bit - * @clkact_shift: Offset of the clockactivity bit - * @sidle_shift: Offset of the sidle bit - * @enwkup_shift: Offset of the enawakeup bit - * @srst_shift: Offset of the softreset bit - * @autoidle_shift: Offset of the autoidle bit - */ -struct omap_hwmod_sysc_fields { - u8 midle_shift; - u8 clkact_shift; - u8 sidle_shift; - u8 enwkup_shift; - u8 srst_shift; - u8 autoidle_shift; -}; - -/** - * struct omap_hwmod_class_sysconfig - hwmod class OCP_SYS* data - * @rev_offs: IP block revision register offset (from module base addr) - * @sysc_offs: OCP_SYSCONFIG register offset (from module base addr) - * @syss_offs: OCP_SYSSTATUS register offset (from module base addr) - * @idlemodes: One or more of {SIDLE,MSTANDBY}_{OFF,FORCE,SMART} - * @sysc_flags: SYS{C,S}_HAS* flags indicating SYSCONFIG bits supported - * @clockact: the default value of the module CLOCKACTIVITY bits - * - * @clockact describes to the module which clocks are likely to be - * disabled when the PRCM issues its idle request to the module. Some - * modules have separate clockdomains for the interface clock and main - * functional clock, and can check whether they should acknowledge the - * idle request based on the internal module functionality that has - * been associated with the clocks marked in @clockact. This field is - * only used if HWMOD_SET_DEFAULT_CLOCKACT is set (see below) - * - * @sysc_fields: structure containing the offset positions of various bits in - * SYSCONFIG register. This can be populated using omap_hwmod_sysc_type1 or - * omap_hwmod_sysc_type2 defined in omap_hwmod_common_data.c depending on - * whether the device ip is compliant with the original PRCM protocol - * defined for OMAP2420 or the new PRCM protocol for new OMAP4 IPs. - * If the device follows a different scheme for the sysconfig register , - * then this field has to be populated with the correct offset structure. - */ -struct omap_hwmod_class_sysconfig { - u16 rev_offs; - u16 sysc_offs; - u16 syss_offs; - u16 sysc_flags; - u8 idlemodes; - u8 clockact; - struct omap_hwmod_sysc_fields *sysc_fields; -}; - -/** - * struct omap_hwmod_omap2_prcm - OMAP2/3-specific PRCM data - * @module_offs: PRCM submodule offset from the start of the PRM/CM - * @prcm_reg_id: PRCM register ID (e.g., 3 for CM_AUTOIDLE3) - * @module_bit: register bit shift for AUTOIDLE, WKST, WKEN, GRPSEL regs - * @idlest_reg_id: IDLEST register ID (e.g., 3 for CM_IDLEST3) - * @idlest_idle_bit: register bit shift for CM_IDLEST slave idle bit - * @idlest_stdby_bit: register bit shift for CM_IDLEST master standby bit - * - * @prcm_reg_id and @module_bit are specific to the AUTOIDLE, WKST, - * WKEN, GRPSEL registers. In an ideal world, no extra information - * would be needed for IDLEST information, but alas, there are some - * exceptions, so @idlest_reg_id, @idlest_idle_bit, @idlest_stdby_bit - * are needed for the IDLEST registers (c.f. 2430 I2CHS, 3430 USBHOST) - */ -struct omap_hwmod_omap2_prcm { - s16 module_offs; - u8 prcm_reg_id; - u8 module_bit; - u8 idlest_reg_id; - u8 idlest_idle_bit; - u8 idlest_stdby_bit; -}; - - -/** - * struct omap_hwmod_omap4_prcm - OMAP4-specific PRCM data - * @clkctrl_reg: PRCM address of the clock control register - * @rstctrl_reg: address of the XXX_RSTCTRL register located in the PRM - * @submodule_wkdep_bit: bit shift of the WKDEP range - */ -struct omap_hwmod_omap4_prcm { - void __iomem *clkctrl_reg; - void __iomem *rstctrl_reg; - u8 submodule_wkdep_bit; -}; - - -/* - * omap_hwmod.flags definitions - * - * HWMOD_SWSUP_SIDLE: omap_hwmod code should manually bring module in and out - * of idle, rather than relying on module smart-idle - * HWMOD_SWSUP_MSTDBY: omap_hwmod code should manually bring module in and out - * of standby, rather than relying on module smart-standby - * HWMOD_INIT_NO_RESET: don't reset this module at boot - important for - * SDRAM controller, etc. XXX probably belongs outside the main hwmod file - * HWMOD_INIT_NO_IDLE: don't idle this module at boot - important for SDRAM - * controller, etc. XXX probably belongs outside the main hwmod file - * HWMOD_NO_AUTOIDLE: disable module autoidle (OCP_SYSCONFIG.AUTOIDLE) - * when module is enabled, rather than the default, which is to - * enable autoidle - * HWMOD_SET_DEFAULT_CLOCKACT: program CLOCKACTIVITY bits at startup - * HWMOD_NO_IDLEST: this module does not have idle status - this is the case - * only for few initiator modules on OMAP2 & 3. - * HWMOD_CONTROL_OPT_CLKS_IN_RESET: Enable all optional clocks during reset. - * This is needed for devices like DSS that require optional clocks enabled - * in order to complete the reset. Optional clocks will be disabled - * again after the reset. - * HWMOD_16BIT_REG: Module has 16bit registers - */ -#define HWMOD_SWSUP_SIDLE (1 << 0) -#define HWMOD_SWSUP_MSTANDBY (1 << 1) -#define HWMOD_INIT_NO_RESET (1 << 2) -#define HWMOD_INIT_NO_IDLE (1 << 3) -#define HWMOD_NO_OCP_AUTOIDLE (1 << 4) -#define HWMOD_SET_DEFAULT_CLOCKACT (1 << 5) -#define HWMOD_NO_IDLEST (1 << 6) -#define HWMOD_CONTROL_OPT_CLKS_IN_RESET (1 << 7) -#define HWMOD_16BIT_REG (1 << 8) - -/* - * omap_hwmod._int_flags definitions - * These are for internal use only and are managed by the omap_hwmod code. - * - * _HWMOD_NO_MPU_PORT: no path exists for the MPU to write to this module - * _HWMOD_WAKEUP_ENABLED: set when the omap_hwmod code has enabled ENAWAKEUP - * _HWMOD_SYSCONFIG_LOADED: set when the OCP_SYSCONFIG value has been cached - */ -#define _HWMOD_NO_MPU_PORT (1 << 0) -#define _HWMOD_WAKEUP_ENABLED (1 << 1) -#define _HWMOD_SYSCONFIG_LOADED (1 << 2) - -/* - * omap_hwmod._state definitions - * - * INITIALIZED: reset (optionally), initialized, enabled, disabled - * (optionally) - * - * - */ -#define _HWMOD_STATE_UNKNOWN 0 -#define _HWMOD_STATE_REGISTERED 1 -#define _HWMOD_STATE_CLKS_INITED 2 -#define _HWMOD_STATE_INITIALIZED 3 -#define _HWMOD_STATE_ENABLED 4 -#define _HWMOD_STATE_IDLE 5 -#define _HWMOD_STATE_DISABLED 6 - -/** - * struct omap_hwmod_class - the type of an IP block - * @name: name of the hwmod_class - * @sysc: device SYSCONFIG/SYSSTATUS register data - * @rev: revision of the IP class - * @pre_shutdown: ptr to fn to be executed immediately prior to device shutdown - * @reset: ptr to fn to be executed in place of the standard hwmod reset fn - * - * Represent the class of a OMAP hardware "modules" (e.g. timer, - * smartreflex, gpio, uart...) - * - * @pre_shutdown is a function that will be run immediately before - * hwmod clocks are disabled, etc. It is intended for use for hwmods - * like the MPU watchdog, which cannot be disabled with the standard - * omap_hwmod_shutdown(). The function should return 0 upon success, - * or some negative error upon failure. Returning an error will cause - * omap_hwmod_shutdown() to abort the device shutdown and return an - * error. - * - * If @reset is defined, then the function it points to will be - * executed in place of the standard hwmod _reset() code in - * mach-omap2/omap_hwmod.c. This is needed for IP blocks which have - * unusual reset sequences - usually processor IP blocks like the IVA. - */ -struct omap_hwmod_class { - const char *name; - struct omap_hwmod_class_sysconfig *sysc; - u32 rev; - int (*pre_shutdown)(struct omap_hwmod *oh); - int (*reset)(struct omap_hwmod *oh); -}; - -/** - * struct omap_hwmod - integration data for OMAP hardware "modules" (IP blocks) - * @name: name of the hwmod - * @class: struct omap_hwmod_class * to the class of this hwmod - * @od: struct omap_device currently associated with this hwmod (internal use) - * @mpu_irqs: ptr to an array of MPU IRQs (see also mpu_irqs_cnt) - * @sdma_reqs: ptr to an array of System DMA request IDs (see sdma_reqs_cnt) - * @prcm: PRCM data pertaining to this hwmod - * @main_clk: main clock: OMAP clock name - * @_clk: pointer to the main struct clk (filled in at runtime) - * @opt_clks: other device clocks that drivers can request (0..*) - * @vdd_name: voltage domain name - * @voltdm: pointer to voltage domain (filled in at runtime) - * @masters: ptr to array of OCP ifs that this hwmod can initiate on - * @slaves: ptr to array of OCP ifs that this hwmod can respond on - * @dev_attr: arbitrary device attributes that can be passed to the driver - * @_sysc_cache: internal-use hwmod flags - * @_mpu_rt_va: cached register target start address (internal use) - * @_mpu_port_index: cached MPU register target slave ID (internal use) - * @mpu_irqs_cnt: number of @mpu_irqs - * @sdma_reqs_cnt: number of @sdma_reqs - * @opt_clks_cnt: number of @opt_clks - * @master_cnt: number of @master entries - * @slaves_cnt: number of @slave entries - * @response_lat: device OCP response latency (in interface clock cycles) - * @_int_flags: internal-use hwmod flags - * @_state: internal-use hwmod state - * @_postsetup_state: internal-use state to leave the hwmod in after _setup() - * @flags: hwmod flags (documented below) - * @omap_chip: OMAP chips this hwmod is present on - * @_lock: spinlock serializing operations on this hwmod - * @node: list node for hwmod list (internal use) - * - * @main_clk refers to this module's "main clock," which for our - * purposes is defined as "the functional clock needed for register - * accesses to complete." Modules may not have a main clock if the - * interface clock also serves as a main clock. - * - * Parameter names beginning with an underscore are managed internally by - * the omap_hwmod code and should not be set during initialization. - */ -struct omap_hwmod { - const char *name; - struct omap_hwmod_class *class; - struct omap_device *od; - struct omap_hwmod_mux_info *mux; - struct omap_hwmod_irq_info *mpu_irqs; - struct omap_hwmod_dma_info *sdma_reqs; - struct omap_hwmod_rst_info *rst_lines; - union { - struct omap_hwmod_omap2_prcm omap2; - struct omap_hwmod_omap4_prcm omap4; - } prcm; - const char *main_clk; - struct clk *_clk; - struct omap_hwmod_opt_clk *opt_clks; - char *vdd_name; - struct voltagedomain *voltdm; - struct omap_hwmod_ocp_if **masters; /* connect to *_IA */ - struct omap_hwmod_ocp_if **slaves; /* connect to *_TA */ - void *dev_attr; - u32 _sysc_cache; - void __iomem *_mpu_rt_va; - spinlock_t _lock; - struct list_head node; - u16 flags; - u8 _mpu_port_index; - u8 response_lat; - u8 mpu_irqs_cnt; - u8 sdma_reqs_cnt; - u8 rst_lines_cnt; - u8 opt_clks_cnt; - u8 masters_cnt; - u8 slaves_cnt; - u8 hwmods_cnt; - u8 _int_flags; - u8 _state; - u8 _postsetup_state; - const struct omap_chip_id omap_chip; -}; - -int omap_hwmod_init(struct omap_hwmod **ohs); -struct omap_hwmod *omap_hwmod_lookup(const char *name); -int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh, void *data), - void *data); -int omap_hwmod_late_init(void); - -int omap_hwmod_enable(struct omap_hwmod *oh); -int _omap_hwmod_enable(struct omap_hwmod *oh); -int omap_hwmod_idle(struct omap_hwmod *oh); -int _omap_hwmod_idle(struct omap_hwmod *oh); -int omap_hwmod_shutdown(struct omap_hwmod *oh); - -int omap_hwmod_assert_hardreset(struct omap_hwmod *oh, const char *name); -int omap_hwmod_deassert_hardreset(struct omap_hwmod *oh, const char *name); -int omap_hwmod_read_hardreset(struct omap_hwmod *oh, const char *name); - -int omap_hwmod_enable_clocks(struct omap_hwmod *oh); -int omap_hwmod_disable_clocks(struct omap_hwmod *oh); - -int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode); - -int omap_hwmod_reset(struct omap_hwmod *oh); -void omap_hwmod_ocp_barrier(struct omap_hwmod *oh); - -void omap_hwmod_write(u32 v, struct omap_hwmod *oh, u16 reg_offs); -u32 omap_hwmod_read(struct omap_hwmod *oh, u16 reg_offs); - -int omap_hwmod_count_resources(struct omap_hwmod *oh); -int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res); - -struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh); -void __iomem *omap_hwmod_get_mpu_rt_va(struct omap_hwmod *oh); - -int omap_hwmod_add_initiator_dep(struct omap_hwmod *oh, - struct omap_hwmod *init_oh); -int omap_hwmod_del_initiator_dep(struct omap_hwmod *oh, - struct omap_hwmod *init_oh); - -int omap_hwmod_set_clockact_both(struct omap_hwmod *oh); -int omap_hwmod_set_clockact_main(struct omap_hwmod *oh); -int omap_hwmod_set_clockact_iclk(struct omap_hwmod *oh); -int omap_hwmod_set_clockact_none(struct omap_hwmod *oh); - -int omap_hwmod_enable_wakeup(struct omap_hwmod *oh); -int omap_hwmod_disable_wakeup(struct omap_hwmod *oh); - -int omap_hwmod_for_each_by_class(const char *classname, - int (*fn)(struct omap_hwmod *oh, - void *user), - void *user); - -int omap_hwmod_set_postsetup_state(struct omap_hwmod *oh, u8 state); -u32 omap_hwmod_get_context_loss_count(struct omap_hwmod *oh); - -/* - * Chip variant-specific hwmod init routines - XXX should be converted - * to use initcalls once the initial boot ordering is straightened out - */ -extern int omap2420_hwmod_init(void); -extern int omap2430_hwmod_init(void); -extern int omap3xxx_hwmod_init(void); -extern int omap44xx_hwmod_init(void); - -#endif diff --git a/arch/arm/plat-omap/include/plat/onenand.h b/arch/arm/plat-omap/include/plat/onenand.h deleted file mode 100644 index affe87e9ece..00000000000 --- a/arch/arm/plat-omap/include/plat/onenand.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/onenand.h - * - * Copyright (C) 2006 Nokia Corporation - * Author: Juha Yrjola - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> - -#define ONENAND_SYNC_READ (1 << 0) -#define ONENAND_SYNC_READWRITE (1 << 1) - -struct omap_onenand_platform_data { - int cs; - int gpio_irq; - struct mtd_partition *parts; - int nr_parts; - int (*onenand_setup)(void __iomem *, int freq); - int dma_channel; - u8 flags; - u8 regulator_can_sleep; -}; - -#define ONENAND_MAX_PARTITIONS 8 - -#if defined(CONFIG_MTD_ONENAND_OMAP2) || \ - defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) - -extern void gpmc_onenand_init(struct omap_onenand_platform_data *d); - -#else - -#define board_onenand_data NULL - -static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d) -{ -} - -#endif diff --git a/arch/arm/plat-omap/include/plat/panel-generic-dpi.h b/arch/arm/plat-omap/include/plat/panel-generic-dpi.h deleted file mode 100644 index 790619734bc..00000000000 --- a/arch/arm/plat-omap/include/plat/panel-generic-dpi.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Header for generic DPI panel driver - * - * Copyright (C) 2010 Canonical Ltd. - * Author: Bryan Wu <bryan.wu@canonical.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef __ARCH_ARM_PLAT_OMAP_PANEL_GENERIC_DPI_H -#define __ARCH_ARM_PLAT_OMAP_PANEL_GENERIC_DPI_H - -#include "display.h" - -/** - * struct panel_generic_dpi_data - panel driver configuration data - * @name: panel name - * @platform_enable: platform specific panel enable function - * @platform_disable: platform specific panel disable function - */ -struct panel_generic_dpi_data { - const char *name; - int (*platform_enable)(struct omap_dss_device *dssdev); - void (*platform_disable)(struct omap_dss_device *dssdev); -}; - -#endif /* __ARCH_ARM_PLAT_OMAP_PANEL_GENERIC_DPI_H */ diff --git a/arch/arm/plat-omap/include/plat/param.h b/arch/arm/plat-omap/include/plat/param.h deleted file mode 100644 index 1eb4dc32697..00000000000 --- a/arch/arm/plat-omap/include/plat/param.h +++ /dev/null @@ -1,8 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/param.h - * - */ - -#ifdef CONFIG_OMAP_32K_TIMER_HZ -#define HZ CONFIG_OMAP_32K_TIMER_HZ -#endif diff --git a/arch/arm/plat-omap/include/plat/prcm.h b/arch/arm/plat-omap/include/plat/prcm.h deleted file mode 100644 index 2fdf8c80d39..00000000000 --- a/arch/arm/plat-omap/include/plat/prcm.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/prcm.h - * - * Access definations for use in OMAP24XX clock and power management - * - * Copyright (C) 2005 Texas Instruments, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * XXX This file is deprecated. The PRCM is an OMAP2+-only subsystem, - * so this file doesn't belong in plat-omap/include/plat. Please - * do not add anything new to this file. - */ - -#ifndef __ASM_ARM_ARCH_OMAP_PRCM_H -#define __ASM_ARM_ARCH_OMAP_PRCM_H - -u32 omap_prcm_get_reset_sources(void); -void omap_prcm_arch_reset(char mode, const char *cmd); -int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest, - const char *name); - -#endif - - - diff --git a/arch/arm/plat-omap/include/plat/sdrc.h b/arch/arm/plat-omap/include/plat/sdrc.h deleted file mode 100644 index efd87c8dda6..00000000000 --- a/arch/arm/plat-omap/include/plat/sdrc.h +++ /dev/null @@ -1,159 +0,0 @@ -#ifndef ____ASM_ARCH_SDRC_H -#define ____ASM_ARCH_SDRC_H - -/* - * OMAP2/3 SDRC/SMS register definitions - * - * Copyright (C) 2007-2008 Texas Instruments, Inc. - * Copyright (C) 2007-2008 Nokia Corporation - * - * Tony Lindgren - * Paul Walmsley - * Richard Woodruff - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <mach/io.h> - -/* SDRC register offsets - read/write with sdrc_{read,write}_reg() */ - -#define SDRC_SYSCONFIG 0x010 -#define SDRC_CS_CFG 0x040 -#define SDRC_SHARING 0x044 -#define SDRC_ERR_TYPE 0x04C -#define SDRC_DLLA_CTRL 0x060 -#define SDRC_DLLA_STATUS 0x064 -#define SDRC_DLLB_CTRL 0x068 -#define SDRC_DLLB_STATUS 0x06C -#define SDRC_POWER 0x070 -#define SDRC_MCFG_0 0x080 -#define SDRC_MR_0 0x084 -#define SDRC_EMR2_0 0x08c -#define SDRC_ACTIM_CTRL_A_0 0x09c -#define SDRC_ACTIM_CTRL_B_0 0x0a0 -#define SDRC_RFR_CTRL_0 0x0a4 -#define SDRC_MANUAL_0 0x0a8 -#define SDRC_MCFG_1 0x0B0 -#define SDRC_MR_1 0x0B4 -#define SDRC_EMR2_1 0x0BC -#define SDRC_ACTIM_CTRL_A_1 0x0C4 -#define SDRC_ACTIM_CTRL_B_1 0x0C8 -#define SDRC_RFR_CTRL_1 0x0D4 -#define SDRC_MANUAL_1 0x0D8 - -#define SDRC_POWER_AUTOCOUNT_SHIFT 8 -#define SDRC_POWER_AUTOCOUNT_MASK (0xffff << SDRC_POWER_AUTOCOUNT_SHIFT) -#define SDRC_POWER_CLKCTRL_SHIFT 4 -#define SDRC_POWER_CLKCTRL_MASK (0x3 << SDRC_POWER_CLKCTRL_SHIFT) -#define SDRC_SELF_REFRESH_ON_AUTOCOUNT (0x2 << SDRC_POWER_CLKCTRL_SHIFT) - -/* - * These values represent the number of memory clock cycles between - * autorefresh initiation. They assume 1 refresh per 64 ms (JEDEC), 8192 - * rows per device, and include a subtraction of a 50 cycle window in the - * event that the autorefresh command is delayed due to other SDRC activity. - * The '| 1' sets the ARE field to send one autorefresh when the autorefresh - * counter reaches 0. - * - * These represent optimal values for common parts, it won't work for all. - * As long as you scale down, most parameters are still work, they just - * become sub-optimal. The RFR value goes in the opposite direction. If you - * don't adjust it down as your clock period increases the refresh interval - * will not be met. Setting all parameters for complete worst case may work, - * but may cut memory performance by 2x. Due to errata the DLLs need to be - * unlocked and their value needs run time calibration. A dynamic call is - * need for that as no single right value exists acorss production samples. - * - * Only the FULL speed values are given. Current code is such that rate - * changes must be made at DPLLoutx2. The actual value adjustment for low - * frequency operation will be handled by omap_set_performance() - * - * By having the boot loader boot up in the fastest L4 speed available likely - * will result in something which you can switch between. - */ -#define SDRC_RFR_CTRL_165MHz (0x00044c00 | 1) -#define SDRC_RFR_CTRL_133MHz (0x0003de00 | 1) -#define SDRC_RFR_CTRL_100MHz (0x0002da01 | 1) -#define SDRC_RFR_CTRL_110MHz (0x0002da01 | 1) /* Need to calc */ -#define SDRC_RFR_CTRL_BYPASS (0x00005000 | 1) /* Need to calc */ - - -/* - * SMS register access - */ - -#define OMAP242X_SMS_REGADDR(reg) \ - (void __iomem *)OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE + reg) -#define OMAP243X_SMS_REGADDR(reg) \ - (void __iomem *)OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE + reg) -#define OMAP343X_SMS_REGADDR(reg) \ - (void __iomem *)OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE + reg) - -/* SMS register offsets - read/write with sms_{read,write}_reg() */ - -#define SMS_SYSCONFIG 0x010 -#define SMS_ROT_CONTROL(context) (0x180 + 0x10 * context) -#define SMS_ROT_SIZE(context) (0x184 + 0x10 * context) -#define SMS_ROT_PHYSICAL_BA(context) (0x188 + 0x10 * context) -/* REVISIT: fill in other SMS registers here */ - - -#ifndef __ASSEMBLER__ - -/** - * struct omap_sdrc_params - SDRC parameters for a given SDRC clock rate - * @rate: SDRC clock rate (in Hz) - * @actim_ctrla: Value to program to SDRC_ACTIM_CTRLA for this rate - * @actim_ctrlb: Value to program to SDRC_ACTIM_CTRLB for this rate - * @rfr_ctrl: Value to program to SDRC_RFR_CTRL for this rate - * @mr: Value to program to SDRC_MR for this rate - * - * This structure holds a pre-computed set of register values for the - * SDRC for a given SDRC clock rate and SDRAM chip. These are - * intended to be pre-computed and specified in an array in the board-*.c - * files. The structure is keyed off the 'rate' field. - */ -struct omap_sdrc_params { - unsigned long rate; - u32 actim_ctrla; - u32 actim_ctrlb; - u32 rfr_ctrl; - u32 mr; -}; - -void __init omap2_sdrc_init(struct omap_sdrc_params *sdrc_cs0, - struct omap_sdrc_params *sdrc_cs1); -int omap2_sdrc_get_params(unsigned long r, - struct omap_sdrc_params **sdrc_cs0, - struct omap_sdrc_params **sdrc_cs1); -void omap2_sms_save_context(void); -void omap2_sms_restore_context(void); - -void omap2_sms_write_rot_control(u32 val, unsigned ctx); -void omap2_sms_write_rot_size(u32 val, unsigned ctx); -void omap2_sms_write_rot_physical_ba(u32 val, unsigned ctx); - -#ifdef CONFIG_ARCH_OMAP2 - -struct memory_timings { - u32 m_type; /* ddr = 1, sdr = 0 */ - u32 dll_mode; /* use lock mode = 1, unlock mode = 0 */ - u32 slow_dll_ctrl; /* unlock mode, dll value for slow speed */ - u32 fast_dll_ctrl; /* unlock mode, dll value for fast speed */ - u32 base_cs; /* base chip select to use for calculations */ -}; - -extern void omap2xxx_sdrc_init_params(u32 force_lock_to_unlock_mode); -struct omap_sdrc_params *rx51_get_sdram_timings(void); - -u32 omap2xxx_sdrc_dll_is_unlocked(void); -u32 omap2xxx_sdrc_reprogram(u32 level, u32 force); - -#endif /* CONFIG_ARCH_OMAP2 */ - -#endif /* __ASSEMBLER__ */ - -#endif diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h deleted file mode 100644 index cec5d56db2e..00000000000 --- a/arch/arm/plat-omap/include/plat/serial.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/serial.h - * - * Copyright (C) 2009 Texas Instruments - * Addded OMAP4 support- Santosh Shilimkar <santosh.shilimkar@ti.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef __ASM_ARCH_SERIAL_H -#define __ASM_ARCH_SERIAL_H - -#include <linux/init.h> - -/* - * Memory entry used for the DEBUG_LL UART configuration. See also - * uncompress.h and debug-macro.S. - * - * Note that using a memory location for storing the UART configuration - * has at least two limitations: - * - * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the - * uncompress code could then partially overwrite itself - * 2. We assume printascii is called at least once before paging_init, - * and addruart has a chance to read OMAP_UART_INFO - */ -#define OMAP_UART_INFO (PHYS_OFFSET + 0x3ffc) - -/* OMAP1 serial ports */ -#define OMAP1_UART1_BASE 0xfffb0000 -#define OMAP1_UART2_BASE 0xfffb0800 -#define OMAP1_UART3_BASE 0xfffb9800 - -/* OMAP2 serial ports */ -#define OMAP2_UART1_BASE 0x4806a000 -#define OMAP2_UART2_BASE 0x4806c000 -#define OMAP2_UART3_BASE 0x4806e000 - -/* OMAP3 serial ports */ -#define OMAP3_UART1_BASE OMAP2_UART1_BASE -#define OMAP3_UART2_BASE OMAP2_UART2_BASE -#define OMAP3_UART3_BASE 0x49020000 -#define OMAP3_UART4_BASE 0x49042000 /* Only on 36xx */ - -/* OMAP4 serial ports */ -#define OMAP4_UART1_BASE OMAP2_UART1_BASE -#define OMAP4_UART2_BASE OMAP2_UART2_BASE -#define OMAP4_UART3_BASE 0x48020000 -#define OMAP4_UART4_BASE 0x4806e000 - -/* External port on Zoom2/3 */ -#define ZOOM_UART_BASE 0x10000000 -#define ZOOM_UART_VIRT 0xfa400000 - -#define OMAP_PORT_SHIFT 2 -#define OMAP7XX_PORT_SHIFT 0 -#define ZOOM_PORT_SHIFT 1 - -#define OMAP1510_BASE_BAUD (12000000/16) -#define OMAP16XX_BASE_BAUD (48000000/16) -#define OMAP24XX_BASE_BAUD (48000000/16) - -/* - * DEBUG_LL port encoding stored into the UART1 scratchpad register by - * decomp_setup in uncompress.h - */ -#define OMAP1UART1 11 -#define OMAP1UART2 12 -#define OMAP1UART3 13 -#define OMAP2UART1 21 -#define OMAP2UART2 22 -#define OMAP2UART3 23 -#define OMAP3UART1 OMAP2UART1 -#define OMAP3UART2 OMAP2UART2 -#define OMAP3UART3 33 -#define OMAP3UART4 34 /* Only on 36xx */ -#define OMAP4UART1 OMAP2UART1 -#define OMAP4UART2 OMAP2UART2 -#define OMAP4UART3 43 -#define OMAP4UART4 44 -#define ZOOM_UART 95 /* Only on zoom2/3 */ - -/* This is only used by 8250.c for omap1510 */ -#define is_omap_port(pt) ({int __ret = 0; \ - if ((pt)->port.mapbase == OMAP1_UART1_BASE || \ - (pt)->port.mapbase == OMAP1_UART2_BASE || \ - (pt)->port.mapbase == OMAP1_UART3_BASE) \ - __ret = 1; \ - __ret; \ - }) - -#ifndef __ASSEMBLER__ - -struct omap_board_data; - -extern void __init omap_serial_early_init(void); -extern void omap_serial_init(void); -extern void omap_serial_init_port(struct omap_board_data *bdata); -extern int omap_uart_can_sleep(void); -extern void omap_uart_check_wakeup(void); -extern void omap_uart_prepare_suspend(void); -extern void omap_uart_prepare_idle(int num); -extern void omap_uart_resume_idle(int num); -extern void omap_uart_enable_irqs(int enable); -#endif - -#endif diff --git a/arch/arm/plat-omap/include/plat/smartreflex.h b/arch/arm/plat-omap/include/plat/smartreflex.h deleted file mode 100644 index 6568c885f37..00000000000 --- a/arch/arm/plat-omap/include/plat/smartreflex.h +++ /dev/null @@ -1,245 +0,0 @@ -/* - * OMAP Smartreflex Defines and Routines - * - * Author: Thara Gopinath <thara@ti.com> - * - * Copyright (C) 2010 Texas Instruments, Inc. - * Thara Gopinath <thara@ti.com> - * - * Copyright (C) 2008 Nokia Corporation - * Kalle Jokiniemi - * - * Copyright (C) 2007 Texas Instruments, Inc. - * Lesly A M <x0080970@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ASM_ARM_OMAP_SMARTREFLEX_H -#define __ASM_ARM_OMAP_SMARTREFLEX_H - -#include <linux/platform_device.h> -#include <plat/voltage.h> - -/* - * Different Smartreflex IPs version. The v1 is the 65nm version used in - * OMAP3430. The v2 is the update for the 45nm version of the IP - * used in OMAP3630 and OMAP4430 - */ -#define SR_TYPE_V1 1 -#define SR_TYPE_V2 2 - -/* SMART REFLEX REG ADDRESS OFFSET */ -#define SRCONFIG 0x00 -#define SRSTATUS 0x04 -#define SENVAL 0x08 -#define SENMIN 0x0C -#define SENMAX 0x10 -#define SENAVG 0x14 -#define AVGWEIGHT 0x18 -#define NVALUERECIPROCAL 0x1c -#define SENERROR_V1 0x20 -#define ERRCONFIG_V1 0x24 -#define IRQ_EOI 0x20 -#define IRQSTATUS_RAW 0x24 -#define IRQSTATUS 0x28 -#define IRQENABLE_SET 0x2C -#define IRQENABLE_CLR 0x30 -#define SENERROR_V2 0x34 -#define ERRCONFIG_V2 0x38 - -/* Bit/Shift Positions */ - -/* SRCONFIG */ -#define SRCONFIG_ACCUMDATA_SHIFT 22 -#define SRCONFIG_SRCLKLENGTH_SHIFT 12 -#define SRCONFIG_SENNENABLE_V1_SHIFT 5 -#define SRCONFIG_SENPENABLE_V1_SHIFT 3 -#define SRCONFIG_SENNENABLE_V2_SHIFT 1 -#define SRCONFIG_SENPENABLE_V2_SHIFT 0 -#define SRCONFIG_CLKCTRL_SHIFT 0 - -#define SRCONFIG_ACCUMDATA_MASK (0x3ff << 22) - -#define SRCONFIG_SRENABLE BIT(11) -#define SRCONFIG_SENENABLE BIT(10) -#define SRCONFIG_ERRGEN_EN BIT(9) -#define SRCONFIG_MINMAXAVG_EN BIT(8) -#define SRCONFIG_DELAYCTRL BIT(2) - -/* AVGWEIGHT */ -#define AVGWEIGHT_SENPAVGWEIGHT_SHIFT 2 -#define AVGWEIGHT_SENNAVGWEIGHT_SHIFT 0 - -/* NVALUERECIPROCAL */ -#define NVALUERECIPROCAL_SENPGAIN_SHIFT 20 -#define NVALUERECIPROCAL_SENNGAIN_SHIFT 16 -#define NVALUERECIPROCAL_RNSENP_SHIFT 8 -#define NVALUERECIPROCAL_RNSENN_SHIFT 0 - -/* ERRCONFIG */ -#define ERRCONFIG_ERRWEIGHT_SHIFT 16 -#define ERRCONFIG_ERRMAXLIMIT_SHIFT 8 -#define ERRCONFIG_ERRMINLIMIT_SHIFT 0 - -#define SR_ERRWEIGHT_MASK (0x07 << 16) -#define SR_ERRMAXLIMIT_MASK (0xff << 8) -#define SR_ERRMINLIMIT_MASK (0xff << 0) - -#define ERRCONFIG_VPBOUNDINTEN_V1 BIT(31) -#define ERRCONFIG_VPBOUNDINTST_V1 BIT(30) -#define ERRCONFIG_MCUACCUMINTEN BIT(29) -#define ERRCONFIG_MCUACCUMINTST BIT(28) -#define ERRCONFIG_MCUVALIDINTEN BIT(27) -#define ERRCONFIG_MCUVALIDINTST BIT(26) -#define ERRCONFIG_MCUBOUNDINTEN BIT(25) -#define ERRCONFIG_MCUBOUNDINTST BIT(24) -#define ERRCONFIG_MCUDISACKINTEN BIT(23) -#define ERRCONFIG_VPBOUNDINTST_V2 BIT(23) -#define ERRCONFIG_MCUDISACKINTST BIT(22) -#define ERRCONFIG_VPBOUNDINTEN_V2 BIT(22) - -#define ERRCONFIG_STATUS_V1_MASK (ERRCONFIG_VPBOUNDINTST_V1 | \ - ERRCONFIG_MCUACCUMINTST | \ - ERRCONFIG_MCUVALIDINTST | \ - ERRCONFIG_MCUBOUNDINTST | \ - ERRCONFIG_MCUDISACKINTST) -/* IRQSTATUS */ -#define IRQSTATUS_MCUACCUMINT BIT(3) -#define IRQSTATUS_MCVALIDINT BIT(2) -#define IRQSTATUS_MCBOUNDSINT BIT(1) -#define IRQSTATUS_MCUDISABLEACKINT BIT(0) - -/* IRQENABLE_SET and IRQENABLE_CLEAR */ -#define IRQENABLE_MCUACCUMINT BIT(3) -#define IRQENABLE_MCUVALIDINT BIT(2) -#define IRQENABLE_MCUBOUNDSINT BIT(1) -#define IRQENABLE_MCUDISABLEACKINT BIT(0) - -/* Common Bit values */ - -#define SRCLKLENGTH_12MHZ_SYSCLK 0x3c -#define SRCLKLENGTH_13MHZ_SYSCLK 0x41 -#define SRCLKLENGTH_19MHZ_SYSCLK 0x60 -#define SRCLKLENGTH_26MHZ_SYSCLK 0x82 -#define SRCLKLENGTH_38MHZ_SYSCLK 0xC0 - -/* - * 3430 specific values. Maybe these should be passed from board file or - * pmic structures. - */ -#define OMAP3430_SR_ACCUMDATA 0x1f4 - -#define OMAP3430_SR1_SENPAVGWEIGHT 0x03 -#define OMAP3430_SR1_SENNAVGWEIGHT 0x03 - -#define OMAP3430_SR2_SENPAVGWEIGHT 0x01 -#define OMAP3430_SR2_SENNAVGWEIGHT 0x01 - -#define OMAP3430_SR_ERRWEIGHT 0x04 -#define OMAP3430_SR_ERRMAXLIMIT 0x02 - -/** - * struct omap_sr_pmic_data - Strucutre to be populated by pmic code to pass - * pmic specific info to smartreflex driver - * - * @sr_pmic_init: API to initialize smartreflex on the PMIC side. - */ -struct omap_sr_pmic_data { - void (*sr_pmic_init) (void); -}; - -#ifdef CONFIG_OMAP_SMARTREFLEX -/* - * The smart reflex driver supports CLASS1 CLASS2 and CLASS3 SR. - * The smartreflex class driver should pass the class type. - * Should be used to populate the class_type field of the - * omap_smartreflex_class_data structure. - */ -#define SR_CLASS1 0x1 -#define SR_CLASS2 0x2 -#define SR_CLASS3 0x3 - -/** - * struct omap_sr_class_data - Smartreflex class driver info - * - * @enable: API to enable a particular class smaartreflex. - * @disable: API to disable a particular class smartreflex. - * @configure: API to configure a particular class smartreflex. - * @notify: API to notify the class driver about an event in SR. - * Not needed for class3. - * @notify_flags: specify the events to be notified to the class driver - * @class_type: specify which smartreflex class. - * Can be used by the SR driver to take any class - * based decisions. - */ -struct omap_sr_class_data { - int (*enable)(struct voltagedomain *voltdm); - int (*disable)(struct voltagedomain *voltdm, int is_volt_reset); - int (*configure)(struct voltagedomain *voltdm); - int (*notify)(struct voltagedomain *voltdm, u32 status); - u8 notify_flags; - u8 class_type; -}; - -/** - * struct omap_sr_nvalue_table - Smartreflex n-target value info - * - * @efuse_offs: The offset of the efuse where n-target values are stored. - * @nvalue: The n-target value. - */ -struct omap_sr_nvalue_table { - u32 efuse_offs; - u32 nvalue; -}; - -/** - * struct omap_sr_data - Smartreflex platform data. - * - * @ip_type: Smartreflex IP type. - * @senp_mod: SENPENABLE value for the sr - * @senn_mod: SENNENABLE value for sr - * @nvalue_count: Number of distinct nvalues in the nvalue table - * @enable_on_init: whether this sr module needs to enabled at - * boot up or not. - * @nvalue_table: table containing the efuse offsets and nvalues - * corresponding to them. - * @voltdm: Pointer to the voltage domain associated with the SR - */ -struct omap_sr_data { - int ip_type; - u32 senp_mod; - u32 senn_mod; - int nvalue_count; - bool enable_on_init; - struct omap_sr_nvalue_table *nvalue_table; - struct voltagedomain *voltdm; -}; - -/* Smartreflex module enable/disable interface */ -void omap_sr_enable(struct voltagedomain *voltdm); -void omap_sr_disable(struct voltagedomain *voltdm); -void omap_sr_disable_reset_volt(struct voltagedomain *voltdm); - -/* API to register the pmic specific data with the smartreflex driver. */ -void omap_sr_register_pmic(struct omap_sr_pmic_data *pmic_data); - -/* Smartreflex driver hooks to be called from Smartreflex class driver */ -int sr_enable(struct voltagedomain *voltdm, unsigned long volt); -void sr_disable(struct voltagedomain *voltdm); -int sr_configure_errgen(struct voltagedomain *voltdm); -int sr_configure_minmax(struct voltagedomain *voltdm); - -/* API to register the smartreflex class driver with the smartreflex driver */ -int sr_register_class(struct omap_sr_class_data *class_data); -#else -static inline void omap_sr_enable(struct voltagedomain *voltdm) {} -static inline void omap_sr_disable(struct voltagedomain *voltdm) {} -static inline void omap_sr_disable_reset_volt( - struct voltagedomain *voltdm) {} -static inline void omap_sr_register_pmic( - struct omap_sr_pmic_data *pmic_data) {} -#endif -#endif diff --git a/arch/arm/plat-omap/include/plat/smp.h b/arch/arm/plat-omap/include/plat/smp.h deleted file mode 100644 index 7a10257909e..00000000000 --- a/arch/arm/plat-omap/include/plat/smp.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * OMAP4 machine specific smp.h - * - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Author: - * Santosh Shilimkar <santosh.shilimkar@ti.com> - * - * Interface functions needed for the SMP. This file is based on arm - * realview smp platform. - * Copyright (c) 2003 ARM Limited. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef OMAP_ARCH_SMP_H -#define OMAP_ARCH_SMP_H - -#include <asm/hardware/gic.h> - -/* Needed for secondary core boot */ -extern void omap_secondary_startup(void); -extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); -extern void omap_auxcoreboot_addr(u32 cpu_addr); -extern u32 omap_read_auxcoreboot0(void); - -/* - * We use Soft IRQ1 as the IPI - */ -static inline void smp_cross_call(const struct cpumask *mask, int ipi) -{ - gic_raise_softirq(mask, ipi); -} - -#endif diff --git a/arch/arm/plat-omap/include/plat/sram.h b/arch/arm/plat-omap/include/plat/sram.h index 9967d5e855c..ba4525059a9 100644 --- a/arch/arm/plat-omap/include/plat/sram.h +++ b/arch/arm/plat-omap/include/plat/sram.h @@ -1,88 +1,16 @@ -/* - * arch/arm/plat-omap/include/mach/sram.h - * - * Interface for functions that need to be run in internal SRAM - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ARCH_ARM_OMAP_SRAM_H -#define __ARCH_ARM_OMAP_SRAM_H - -#ifndef __ASSEMBLY__ -extern void * omap_sram_push(void * start, unsigned long size); -extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl); - -extern void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, - u32 base_cs, u32 force_unlock); -extern void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, - u32 mem_type); -extern u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass); - -extern u32 omap3_configure_core_dpll( - u32 m2, u32 unlock_dll, u32 f, u32 inc, - u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0, - u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0, - u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1, - u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1); -extern void omap3_sram_restore_context(void); - -/* Do not use these */ -extern void omap1_sram_reprogram_clock(u32 ckctl, u32 dpllctl); -extern unsigned long omap1_sram_reprogram_clock_sz; - -extern void omap24xx_sram_reprogram_clock(u32 ckctl, u32 dpllctl); -extern unsigned long omap24xx_sram_reprogram_clock_sz; - -extern void omap242x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, - u32 base_cs, u32 force_unlock); -extern unsigned long omap242x_sram_ddr_init_sz; - -extern u32 omap242x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, - int bypass); -extern unsigned long omap242x_sram_set_prcm_sz; - -extern void omap242x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, - u32 mem_type); -extern unsigned long omap242x_sram_reprogram_sdrc_sz; - - -extern void omap243x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, - u32 base_cs, u32 force_unlock); -extern unsigned long omap243x_sram_ddr_init_sz; - -extern u32 omap243x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, - int bypass); -extern unsigned long omap243x_sram_set_prcm_sz; - -extern void omap243x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, - u32 mem_type); -extern unsigned long omap243x_sram_reprogram_sdrc_sz; - -extern u32 omap3_sram_configure_core_dpll( - u32 m2, u32 unlock_dll, u32 f, u32 inc, - u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0, - u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0, - u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1, - u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1); -extern unsigned long omap3_sram_configure_core_dpll_sz; - -#ifdef CONFIG_PM -extern void omap_push_sram_idle(void); -#else -static inline void omap_push_sram_idle(void) {} -#endif /* CONFIG_PM */ - -#endif /* __ASSEMBLY__ */ - -/* - * OMAP2+: define the SRAM PA addresses. - * Used by the SRAM management code and the idle sleep code. - */ -#define OMAP2_SRAM_PA 0x40200000 -#define OMAP3_SRAM_PA 0x40200000 -#define OMAP4_SRAM_PA 0x40300000 - -#endif +int omap_sram_init(void); + +void omap_map_sram(unsigned long start, unsigned long size, + unsigned long skip, int cached); +void omap_sram_reset(void); + +extern void *omap_sram_push_address(unsigned long size); + +/* Macro to push a function to the internal SRAM, using the fncpy API */ +#define omap_sram_push(funcp, size) ({ \ + typeof(&(funcp)) _res = NULL; \ + void *_sram_address = omap_sram_push_address(size); \ + if (_sram_address) \ + _res = fncpy(_sram_address, &(funcp), size); \ + _res; \ +}) diff --git a/arch/arm/plat-omap/include/plat/system.h b/arch/arm/plat-omap/include/plat/system.h deleted file mode 100644 index d0a119f735b..00000000000 --- a/arch/arm/plat-omap/include/plat/system.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copied from arch/arm/mach-sa1100/include/mach/system.h - * Copyright (c) 1999 Nicolas Pitre <nico@fluxnic.net> - */ -#ifndef __ASM_ARCH_SYSTEM_H -#define __ASM_ARCH_SYSTEM_H -#include <linux/clk.h> - -#include <asm/mach-types.h> -#include <mach/hardware.h> - -#include <plat/prcm.h> - -#ifndef CONFIG_MACH_VOICEBLUE -#define voiceblue_reset() do {} while (0) -#else -extern void voiceblue_reset(void); -#endif - -static inline void arch_idle(void) -{ - cpu_do_idle(); -} - -static inline void omap1_arch_reset(char mode, const char *cmd) -{ - /* - * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28 - * "Global Software Reset Affects Traffic Controller Frequency". - */ - if (cpu_is_omap5912()) { - omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), - DPLL_CTL); - omap_writew(0x8, ARM_RSTCT1); - } - - if (machine_is_voiceblue()) - voiceblue_reset(); - else - omap_writew(1, ARM_RSTCT1); -} - -static inline void arch_reset(char mode, const char *cmd) -{ - if (!cpu_class_is_omap2()) - omap1_arch_reset(mode, cmd); - else - omap_prcm_arch_reset(mode, cmd); -} - -#endif diff --git a/arch/arm/plat-omap/include/plat/tc.h b/arch/arm/plat-omap/include/plat/tc.h deleted file mode 100644 index d2fcd789bb9..00000000000 --- a/arch/arm/plat-omap/include/plat/tc.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/tc.h - * - * OMAP Traffic Controller - * - * Copyright (C) 2004 Nokia Corporation - * Author: Imre Deak <imre.deak@nokia.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __ASM_ARCH_TC_H -#define __ASM_ARCH_TC_H - -#define TCMIF_BASE 0xfffecc00 -#define OMAP_TC_OCPT1_PRIOR (TCMIF_BASE + 0x00) -#define OMAP_TC_EMIFS_PRIOR (TCMIF_BASE + 0x04) -#define OMAP_TC_EMIFF_PRIOR (TCMIF_BASE + 0x08) -#define EMIFS_CONFIG (TCMIF_BASE + 0x0c) -#define EMIFS_CS0_CONFIG (TCMIF_BASE + 0x10) -#define EMIFS_CS1_CONFIG (TCMIF_BASE + 0x14) -#define EMIFS_CS2_CONFIG (TCMIF_BASE + 0x18) -#define EMIFS_CS3_CONFIG (TCMIF_BASE + 0x1c) -#define EMIFF_SDRAM_CONFIG (TCMIF_BASE + 0x20) -#define EMIFF_MRS (TCMIF_BASE + 0x24) -#define TC_TIMEOUT1 (TCMIF_BASE + 0x28) -#define TC_TIMEOUT2 (TCMIF_BASE + 0x2c) -#define TC_TIMEOUT3 (TCMIF_BASE + 0x30) -#define TC_ENDIANISM (TCMIF_BASE + 0x34) -#define EMIFF_SDRAM_CONFIG_2 (TCMIF_BASE + 0x3c) -#define EMIF_CFG_DYNAMIC_WS (TCMIF_BASE + 0x40) -#define EMIFS_ACS0 (TCMIF_BASE + 0x50) -#define EMIFS_ACS1 (TCMIF_BASE + 0x54) -#define EMIFS_ACS2 (TCMIF_BASE + 0x58) -#define EMIFS_ACS3 (TCMIF_BASE + 0x5c) -#define OMAP_TC_OCPT2_PRIOR (TCMIF_BASE + 0xd0) - -/* external EMIFS chipselect regions */ -#define OMAP_CS0_PHYS 0x00000000 -#define OMAP_CS0_SIZE SZ_64M - -#define OMAP_CS1_PHYS 0x04000000 -#define OMAP_CS1_SIZE SZ_64M - -#define OMAP_CS1A_PHYS OMAP_CS1_PHYS -#define OMAP_CS1A_SIZE SZ_32M - -#define OMAP_CS1B_PHYS (OMAP_CS1A_PHYS + OMAP_CS1A_SIZE) -#define OMAP_CS1B_SIZE SZ_32M - -#define OMAP_CS2_PHYS 0x08000000 -#define OMAP_CS2_SIZE SZ_64M - -#define OMAP_CS2A_PHYS OMAP_CS2_PHYS -#define OMAP_CS2A_SIZE SZ_32M - -#define OMAP_CS2B_PHYS (OMAP_CS2A_PHYS + OMAP_CS2A_SIZE) -#define OMAP_CS2B_SIZE SZ_32M - -#define OMAP_CS3_PHYS 0x0c000000 -#define OMAP_CS3_SIZE SZ_64M - -#ifndef __ASSEMBLER__ - -/* EMIF Slow Interface Configuration Register */ -#define OMAP_EMIFS_CONFIG_FR (1 << 4) -#define OMAP_EMIFS_CONFIG_PDE (1 << 3) -#define OMAP_EMIFS_CONFIG_PWD_EN (1 << 2) -#define OMAP_EMIFS_CONFIG_BM (1 << 1) -#define OMAP_EMIFS_CONFIG_WP (1 << 0) - -#define EMIFS_CCS(n) (EMIFS_CS0_CONFIG + (4 * (n))) -#define EMIFS_ACS(n) (EMIFS_ACS0 + (4 * (n))) - -/* Almost all documentation for chip and board memory maps assumes - * BM is clear. Most devel boards have a switch to control booting - * from NOR flash (using external chipselect 3) rather than mask ROM, - * which uses BM to interchange the physical CS0 and CS3 addresses. - */ -static inline u32 omap_cs0_phys(void) -{ - return (omap_readl(EMIFS_CONFIG) & OMAP_EMIFS_CONFIG_BM) - ? OMAP_CS3_PHYS : 0; -} - -static inline u32 omap_cs3_phys(void) -{ - return (omap_readl(EMIFS_CONFIG) & OMAP_EMIFS_CONFIG_BM) - ? 0 : OMAP_CS3_PHYS; -} - -#endif /* __ASSEMBLER__ */ - -#endif /* __ASM_ARCH_TC_H */ diff --git a/arch/arm/plat-omap/include/plat/timex.h b/arch/arm/plat-omap/include/plat/timex.h deleted file mode 100644 index 6d35767bc48..00000000000 --- a/arch/arm/plat-omap/include/plat/timex.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/timex.h - * - * Copyright (C) 2000 RidgeRun, Inc. - * Author: Greg Lonnon <glonnon@ridgerun.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#if !defined(__ASM_ARCH_OMAP_TIMEX_H) -#define __ASM_ARCH_OMAP_TIMEX_H - -/* - * OMAP 32KHz timer updates time one jiffie at a time from a secondary timer, - * and that's why the CLOCK_TICK_RATE is not 32768. - */ -#ifdef CONFIG_OMAP_32K_TIMER -#define CLOCK_TICK_RATE (CONFIG_OMAP_32K_TIMER_HZ) -#else -#define CLOCK_TICK_RATE (HZ * 100000UL) -#endif - -#endif /* __ASM_ARCH_OMAP_TIMEX_H */ diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h deleted file mode 100644 index ad98b85cae2..00000000000 --- a/arch/arm/plat-omap/include/plat/uncompress.h +++ /dev/null @@ -1,177 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/uncompress.h - * - * Serial port stubs for kernel decompress status messages - * - * Initially based on: - * linux-2.4.15-rmk1-dsplinux1.6/arch/arm/plat-omap/include/mach1510/uncompress.h - * Copyright (C) 2000 RidgeRun, Inc. - * Author: Greg Lonnon <glonnon@ridgerun.com> - * - * Rewritten by: - * Author: <source@mvista.com> - * 2004 (c) MontaVista Software, Inc. - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <linux/types.h> -#include <linux/serial_reg.h> - -#include <asm/memory.h> -#include <asm/mach-types.h> - -#include <plat/serial.h> - -#define MDR1_MODE_MASK 0x07 - -static volatile u8 *uart_base; -static int uart_shift; - -/* - * Store the DEBUG_LL uart number into memory. - * See also debug-macro.S, and serial.c for related code. - */ -static void set_omap_uart_info(unsigned char port) -{ - *(volatile u32 *)OMAP_UART_INFO = port; -} - -static void putc(int c) -{ - if (!uart_base) - return; - - /* Check for UART 16x mode */ - if ((uart_base[UART_OMAP_MDR1 << uart_shift] & MDR1_MODE_MASK) != 0) - return; - - while (!(uart_base[UART_LSR << uart_shift] & UART_LSR_THRE)) - barrier(); - uart_base[UART_TX << uart_shift] = c; -} - -static inline void flush(void) -{ -} - -/* - * Macros to configure UART1 and debug UART - */ -#define _DEBUG_LL_ENTRY(mach, dbg_uart, dbg_shft, dbg_id) \ - if (machine_is_##mach()) { \ - uart_base = (volatile u8 *)(dbg_uart); \ - uart_shift = (dbg_shft); \ - port = (dbg_id); \ - set_omap_uart_info(port); \ - break; \ - } - -#define DEBUG_LL_OMAP7XX(p, mach) \ - _DEBUG_LL_ENTRY(mach, OMAP1_UART##p##_BASE, OMAP7XX_PORT_SHIFT, \ - OMAP1UART##p) - -#define DEBUG_LL_OMAP1(p, mach) \ - _DEBUG_LL_ENTRY(mach, OMAP1_UART##p##_BASE, OMAP_PORT_SHIFT, \ - OMAP1UART##p) - -#define DEBUG_LL_OMAP2(p, mach) \ - _DEBUG_LL_ENTRY(mach, OMAP2_UART##p##_BASE, OMAP_PORT_SHIFT, \ - OMAP2UART##p) - -#define DEBUG_LL_OMAP3(p, mach) \ - _DEBUG_LL_ENTRY(mach, OMAP3_UART##p##_BASE, OMAP_PORT_SHIFT, \ - OMAP3UART##p) - -#define DEBUG_LL_OMAP4(p, mach) \ - _DEBUG_LL_ENTRY(mach, OMAP4_UART##p##_BASE, OMAP_PORT_SHIFT, \ - OMAP4UART##p) - -/* Zoom2/3 shift is different for UART1 and external port */ -#define DEBUG_LL_ZOOM(mach) \ - _DEBUG_LL_ENTRY(mach, ZOOM_UART_BASE, ZOOM_PORT_SHIFT, ZOOM_UART) - -static inline void __arch_decomp_setup(unsigned long arch_id) -{ - int port = 0; - - /* - * Initialize the port based on the machine ID from the bootloader. - * Note that we're using macros here instead of switch statement - * as machine_is functions are optimized out for the boards that - * are not selected. - */ - do { - /* omap7xx/8xx based boards using UART1 with shift 0 */ - DEBUG_LL_OMAP7XX(1, herald); - DEBUG_LL_OMAP7XX(1, omap_perseus2); - - /* omap15xx/16xx based boards using UART1 */ - DEBUG_LL_OMAP1(1, ams_delta); - DEBUG_LL_OMAP1(1, nokia770); - DEBUG_LL_OMAP1(1, omap_h2); - DEBUG_LL_OMAP1(1, omap_h3); - DEBUG_LL_OMAP1(1, omap_innovator); - DEBUG_LL_OMAP1(1, omap_osk); - DEBUG_LL_OMAP1(1, omap_palmte); - DEBUG_LL_OMAP1(1, omap_palmz71); - - /* omap15xx/16xx based boards using UART2 */ - DEBUG_LL_OMAP1(2, omap_palmtt); - - /* omap15xx/16xx based boards using UART3 */ - DEBUG_LL_OMAP1(3, sx1); - - /* omap2 based boards using UART1 */ - DEBUG_LL_OMAP2(1, omap2evm); - DEBUG_LL_OMAP2(1, omap_2430sdp); - DEBUG_LL_OMAP2(1, omap_apollon); - DEBUG_LL_OMAP2(1, omap_h4); - - /* omap2 based boards using UART3 */ - DEBUG_LL_OMAP2(3, nokia_n800); - DEBUG_LL_OMAP2(3, nokia_n810); - DEBUG_LL_OMAP2(3, nokia_n810_wimax); - - /* omap3 based boards using UART1 */ - DEBUG_LL_OMAP2(1, omap3evm); - DEBUG_LL_OMAP3(1, omap_3430sdp); - DEBUG_LL_OMAP3(1, omap_3630sdp); - DEBUG_LL_OMAP3(1, omap3530_lv_som); - DEBUG_LL_OMAP3(1, omap3_torpedo); - - /* omap3 based boards using UART3 */ - DEBUG_LL_OMAP3(3, cm_t35); - DEBUG_LL_OMAP3(3, cm_t3517); - DEBUG_LL_OMAP3(3, craneboard); - DEBUG_LL_OMAP3(3, devkit8000); - DEBUG_LL_OMAP3(3, igep0020); - DEBUG_LL_OMAP3(3, igep0030); - DEBUG_LL_OMAP3(3, nokia_rm680); - DEBUG_LL_OMAP3(3, nokia_rx51); - DEBUG_LL_OMAP3(3, omap3517evm); - DEBUG_LL_OMAP3(3, omap3_beagle); - DEBUG_LL_OMAP3(3, omap3_pandora); - DEBUG_LL_OMAP3(3, omap_ldp); - DEBUG_LL_OMAP3(3, overo); - DEBUG_LL_OMAP3(3, touchbook); - - /* omap4 based boards using UART3 */ - DEBUG_LL_OMAP4(3, omap_4430sdp); - DEBUG_LL_OMAP4(3, omap4_panda); - - /* zoom2/3 external uart */ - DEBUG_LL_ZOOM(omap_zoom2); - DEBUG_LL_ZOOM(omap_zoom3); - - } while (0); -} - -#define arch_decomp_setup() __arch_decomp_setup(arch_id) - -/* - * nothing to do - */ -#define arch_decomp_wdog() diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h deleted file mode 100644 index 450a332f100..00000000000 --- a/arch/arm/plat-omap/include/plat/usb.h +++ /dev/null @@ -1,273 +0,0 @@ -// include/asm-arm/mach-omap/usb.h - -#ifndef __ASM_ARCH_OMAP_USB_H -#define __ASM_ARCH_OMAP_USB_H - -#include <linux/usb/musb.h> -#include <plat/board.h> - -#define OMAP3_HS_USB_PORTS 3 -enum ehci_hcd_omap_mode { - EHCI_HCD_OMAP_MODE_UNKNOWN, - EHCI_HCD_OMAP_MODE_PHY, - EHCI_HCD_OMAP_MODE_TLL, - EHCI_HCD_OMAP_MODE_HSIC, -}; - -enum ohci_omap3_port_mode { - OMAP_OHCI_PORT_MODE_UNUSED, - OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0, - OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM, - OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0, - OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM, - OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0, - OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM, - OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0, - OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM, - OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0, - OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM, -}; - -struct ehci_hcd_omap_platform_data { - enum ehci_hcd_omap_mode port_mode[OMAP3_HS_USB_PORTS]; - unsigned phy_reset:1; - - /* have to be valid if phy_reset is true and portx is in phy mode */ - int reset_gpio_port[OMAP3_HS_USB_PORTS]; -}; - -struct ohci_hcd_omap_platform_data { - enum ohci_omap3_port_mode port_mode[OMAP3_HS_USB_PORTS]; - - /* Set this to true for ES2.x silicon */ - unsigned es2_compatibility:1; -}; - -/*-------------------------------------------------------------------------*/ - -#define OMAP1_OTG_BASE 0xfffb0400 -#define OMAP1_UDC_BASE 0xfffb4000 -#define OMAP1_OHCI_BASE 0xfffba000 - -#define OMAP2_OHCI_BASE 0x4805e000 -#define OMAP2_UDC_BASE 0x4805e200 -#define OMAP2_OTG_BASE 0x4805e300 - -#ifdef CONFIG_ARCH_OMAP1 - -#define OTG_BASE OMAP1_OTG_BASE -#define UDC_BASE OMAP1_UDC_BASE -#define OMAP_OHCI_BASE OMAP1_OHCI_BASE - -#else - -#define OTG_BASE OMAP2_OTG_BASE -#define UDC_BASE OMAP2_UDC_BASE -#define OMAP_OHCI_BASE OMAP2_OHCI_BASE - -struct omap_musb_board_data { - u8 interface_type; - u8 mode; - u16 power; - unsigned extvbus:1; - void (*set_phy_power)(u8 on); - void (*clear_irq)(void); - void (*set_mode)(u8 mode); - void (*reset)(void); -}; - -enum musb_interface {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI}; - -extern void usb_musb_init(struct omap_musb_board_data *board_data); - -extern void usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata); - -extern void usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata); - -extern int omap4430_phy_power(struct device *dev, int ID, int on); -extern int omap4430_phy_set_clk(struct device *dev, int on); -extern int omap4430_phy_init(struct device *dev); -extern int omap4430_phy_exit(struct device *dev); - -#endif - - -/* - * FIXME correct answer depends on hmc_mode, - * as does (on omap1) any nonzero value for config->otg port number - */ -#ifdef CONFIG_USB_GADGET_OMAP -#define is_usb0_device(config) 1 -#else -#define is_usb0_device(config) 0 -#endif - -void omap_otg_init(struct omap_usb_config *config); - -#if defined(CONFIG_USB) || defined(CONFIG_USB_MODULE) -void omap1_usb_init(struct omap_usb_config *pdata); -#else -static inline void omap1_usb_init(struct omap_usb_config *pdata) -{ -} -#endif - -#if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_ARCH_OMAP_OTG_MODULE) -void omap2_usbfs_init(struct omap_usb_config *pdata); -#else -static inline void omap2_usbfs_init(struct omap_usb_config *pdata) -{ -} -#endif - -/*-------------------------------------------------------------------------*/ - -/* - * OTG and transceiver registers, for OMAPs starting with ARM926 - */ -#define OTG_REV (OTG_BASE + 0x00) -#define OTG_SYSCON_1 (OTG_BASE + 0x04) -# define USB2_TRX_MODE(w) (((w)>>24)&0x07) -# define USB1_TRX_MODE(w) (((w)>>20)&0x07) -# define USB0_TRX_MODE(w) (((w)>>16)&0x07) -# define OTG_IDLE_EN (1 << 15) -# define HST_IDLE_EN (1 << 14) -# define DEV_IDLE_EN (1 << 13) -# define OTG_RESET_DONE (1 << 2) -# define OTG_SOFT_RESET (1 << 1) -#define OTG_SYSCON_2 (OTG_BASE + 0x08) -# define OTG_EN (1 << 31) -# define USBX_SYNCHRO (1 << 30) -# define OTG_MST16 (1 << 29) -# define SRP_GPDATA (1 << 28) -# define SRP_GPDVBUS (1 << 27) -# define SRP_GPUVBUS(w) (((w)>>24)&0x07) -# define A_WAIT_VRISE(w) (((w)>>20)&0x07) -# define B_ASE_BRST(w) (((w)>>16)&0x07) -# define SRP_DPW (1 << 14) -# define SRP_DATA (1 << 13) -# define SRP_VBUS (1 << 12) -# define OTG_PADEN (1 << 10) -# define HMC_PADEN (1 << 9) -# define UHOST_EN (1 << 8) -# define HMC_TLLSPEED (1 << 7) -# define HMC_TLLATTACH (1 << 6) -# define OTG_HMC(w) (((w)>>0)&0x3f) -#define OTG_CTRL (OTG_BASE + 0x0c) -# define OTG_USB2_EN (1 << 29) -# define OTG_USB2_DP (1 << 28) -# define OTG_USB2_DM (1 << 27) -# define OTG_USB1_EN (1 << 26) -# define OTG_USB1_DP (1 << 25) -# define OTG_USB1_DM (1 << 24) -# define OTG_USB0_EN (1 << 23) -# define OTG_USB0_DP (1 << 22) -# define OTG_USB0_DM (1 << 21) -# define OTG_ASESSVLD (1 << 20) -# define OTG_BSESSEND (1 << 19) -# define OTG_BSESSVLD (1 << 18) -# define OTG_VBUSVLD (1 << 17) -# define OTG_ID (1 << 16) -# define OTG_DRIVER_SEL (1 << 15) -# define OTG_A_SETB_HNPEN (1 << 12) -# define OTG_A_BUSREQ (1 << 11) -# define OTG_B_HNPEN (1 << 9) -# define OTG_B_BUSREQ (1 << 8) -# define OTG_BUSDROP (1 << 7) -# define OTG_PULLDOWN (1 << 5) -# define OTG_PULLUP (1 << 4) -# define OTG_DRV_VBUS (1 << 3) -# define OTG_PD_VBUS (1 << 2) -# define OTG_PU_VBUS (1 << 1) -# define OTG_PU_ID (1 << 0) -#define OTG_IRQ_EN (OTG_BASE + 0x10) /* 16-bit */ -# define DRIVER_SWITCH (1 << 15) -# define A_VBUS_ERR (1 << 13) -# define A_REQ_TMROUT (1 << 12) -# define A_SRP_DETECT (1 << 11) -# define B_HNP_FAIL (1 << 10) -# define B_SRP_TMROUT (1 << 9) -# define B_SRP_DONE (1 << 8) -# define B_SRP_STARTED (1 << 7) -# define OPRT_CHG (1 << 0) -#define OTG_IRQ_SRC (OTG_BASE + 0x14) /* 16-bit */ - // same bits as in IRQ_EN -#define OTG_OUTCTRL (OTG_BASE + 0x18) /* 16-bit */ -# define OTGVPD (1 << 14) -# define OTGVPU (1 << 13) -# define OTGPUID (1 << 12) -# define USB2VDR (1 << 10) -# define USB2PDEN (1 << 9) -# define USB2PUEN (1 << 8) -# define USB1VDR (1 << 6) -# define USB1PDEN (1 << 5) -# define USB1PUEN (1 << 4) -# define USB0VDR (1 << 2) -# define USB0PDEN (1 << 1) -# define USB0PUEN (1 << 0) -#define OTG_TEST (OTG_BASE + 0x20) /* 16-bit */ -#define OTG_VENDOR_CODE (OTG_BASE + 0xfc) /* 16-bit */ - -/*-------------------------------------------------------------------------*/ - -/* OMAP1 */ -#define USB_TRANSCEIVER_CTRL (0xfffe1000 + 0x0064) -# define CONF_USB2_UNI_R (1 << 8) -# define CONF_USB1_UNI_R (1 << 7) -# define CONF_USB_PORT0_R(x) (((x)>>4)&0x7) -# define CONF_USB0_ISOLATE_R (1 << 3) -# define CONF_USB_PWRDN_DM_R (1 << 2) -# define CONF_USB_PWRDN_DP_R (1 << 1) - -/* OMAP2 */ -# define USB_UNIDIR 0x0 -# define USB_UNIDIR_TLL 0x1 -# define USB_BIDIR 0x2 -# define USB_BIDIR_TLL 0x3 -# define USBTXWRMODEI(port, x) ((x) << (22 - (port * 2))) -# define USBT2TLL5PI (1 << 17) -# define USB0PUENACTLOI (1 << 16) -# define USBSTANDBYCTRL (1 << 15) -/* AM35x */ -/* USB 2.0 PHY Control */ -#define CONF2_PHY_GPIOMODE (1 << 23) -#define CONF2_OTGMODE (3 << 14) -#define CONF2_NO_OVERRIDE (0 << 14) -#define CONF2_FORCE_HOST (1 << 14) -#define CONF2_FORCE_DEVICE (2 << 14) -#define CONF2_FORCE_HOST_VBUS_LOW (3 << 14) -#define CONF2_SESENDEN (1 << 13) -#define CONF2_VBDTCTEN (1 << 12) -#define CONF2_REFFREQ_24MHZ (2 << 8) -#define CONF2_REFFREQ_26MHZ (7 << 8) -#define CONF2_REFFREQ_13MHZ (6 << 8) -#define CONF2_REFFREQ (0xf << 8) -#define CONF2_PHYCLKGD (1 << 7) -#define CONF2_VBUSSENSE (1 << 6) -#define CONF2_PHY_PLLON (1 << 5) -#define CONF2_RESET (1 << 4) -#define CONF2_PHYPWRDN (1 << 3) -#define CONF2_OTGPWRDN (1 << 2) -#define CONF2_DATPOL (1 << 1) - -#if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_USB) -u32 omap1_usb0_init(unsigned nwires, unsigned is_device); -u32 omap1_usb1_init(unsigned nwires); -u32 omap1_usb2_init(unsigned nwires, unsigned alt_pingroup); -#else -static inline u32 omap1_usb0_init(unsigned nwires, unsigned is_device) -{ - return 0; -} -static inline u32 omap1_usb1_init(unsigned nwires) -{ - return 0; - -} -static inline u32 omap1_usb2_init(unsigned nwires, unsigned alt_pingroup) -{ - return 0; -} -#endif - -#endif /* __ASM_ARCH_OMAP_USB_H */ diff --git a/arch/arm/plat-omap/include/plat/voltage.h b/arch/arm/plat-omap/include/plat/voltage.h deleted file mode 100644 index 5bd204e55c3..00000000000 --- a/arch/arm/plat-omap/include/plat/voltage.h +++ /dev/null @@ -1,155 +0,0 @@ -/* - * OMAP Voltage Management Routines - * - * Author: Thara Gopinath <thara@ti.com> - * - * Copyright (C) 2009 Texas Instruments, Inc. - * Thara Gopinath <thara@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ARCH_ARM_MACH_OMAP2_VOLTAGE_H -#define __ARCH_ARM_MACH_OMAP2_VOLTAGE_H - -#include <linux/err.h> - -#define VOLTSCALE_VPFORCEUPDATE 1 -#define VOLTSCALE_VCBYPASS 2 - -/* - * OMAP3 GENERIC setup times. Revisit to see if these needs to be - * passed from board or PMIC file - */ -#define OMAP3_CLKSETUP 0xff -#define OMAP3_VOLTOFFSET 0xff -#define OMAP3_VOLTSETUP2 0xff - -/* Voltage value defines */ -#define OMAP3430_VDD_MPU_OPP1_UV 975000 -#define OMAP3430_VDD_MPU_OPP2_UV 1075000 -#define OMAP3430_VDD_MPU_OPP3_UV 1200000 -#define OMAP3430_VDD_MPU_OPP4_UV 1270000 -#define OMAP3430_VDD_MPU_OPP5_UV 1350000 - -#define OMAP3430_VDD_CORE_OPP1_UV 975000 -#define OMAP3430_VDD_CORE_OPP2_UV 1050000 -#define OMAP3430_VDD_CORE_OPP3_UV 1150000 - -#define OMAP3630_VDD_MPU_OPP50_UV 1012500 -#define OMAP3630_VDD_MPU_OPP100_UV 1200000 -#define OMAP3630_VDD_MPU_OPP120_UV 1325000 -#define OMAP3630_VDD_MPU_OPP1G_UV 1375000 - -#define OMAP3630_VDD_CORE_OPP50_UV 1000000 -#define OMAP3630_VDD_CORE_OPP100_UV 1200000 - -#define OMAP4430_VDD_MPU_OPP50_UV 930000 -#define OMAP4430_VDD_MPU_OPP100_UV 1100000 -#define OMAP4430_VDD_MPU_OPPTURBO_UV 1260000 -#define OMAP4430_VDD_MPU_OPPNITRO_UV 1350000 - -#define OMAP4430_VDD_IVA_OPP50_UV 930000 -#define OMAP4430_VDD_IVA_OPP100_UV 1100000 -#define OMAP4430_VDD_IVA_OPPTURBO_UV 1260000 - -#define OMAP4430_VDD_CORE_OPP50_UV 930000 -#define OMAP4430_VDD_CORE_OPP100_UV 1100000 - -/** - * struct voltagedomain - omap voltage domain global structure. - * @name: Name of the voltage domain which can be used as a unique - * identifier. - */ -struct voltagedomain { - char *name; -}; - -/** - * struct omap_volt_data - Omap voltage specific data. - * @voltage_nominal: The possible voltage value in uV - * @sr_efuse_offs: The offset of the efuse register(from system - * control module base address) from where to read - * the n-target value for the smartreflex module. - * @sr_errminlimit: Error min limit value for smartreflex. This value - * differs at differnet opp and thus is linked - * with voltage. - * @vp_errorgain: Error gain value for the voltage processor. This - * field also differs according to the voltage/opp. - */ -struct omap_volt_data { - u32 volt_nominal; - u32 sr_efuse_offs; - u8 sr_errminlimit; - u8 vp_errgain; -}; - -/** - * struct omap_volt_pmic_info - PMIC specific data required by voltage driver. - * @slew_rate: PMIC slew rate (in uv/us) - * @step_size: PMIC voltage step size (in uv) - * @vsel_to_uv: PMIC API to convert vsel value to actual voltage in uV. - * @uv_to_vsel: PMIC API to convert voltage in uV to vsel value. - */ -struct omap_volt_pmic_info { - int slew_rate; - int step_size; - u32 on_volt; - u32 onlp_volt; - u32 ret_volt; - u32 off_volt; - u16 volt_setup_time; - u8 vp_erroroffset; - u8 vp_vstepmin; - u8 vp_vstepmax; - u8 vp_vddmin; - u8 vp_vddmax; - u8 vp_timeout_us; - u8 i2c_slave_addr; - u8 pmic_reg; - unsigned long (*vsel_to_uv) (const u8 vsel); - u8 (*uv_to_vsel) (unsigned long uV); -}; - -unsigned long omap_vp_get_curr_volt(struct voltagedomain *voltdm); -void omap_vp_enable(struct voltagedomain *voltdm); -void omap_vp_disable(struct voltagedomain *voltdm); -int omap_voltage_scale_vdd(struct voltagedomain *voltdm, - unsigned long target_volt); -void omap_voltage_reset(struct voltagedomain *voltdm); -void omap_voltage_get_volttable(struct voltagedomain *voltdm, - struct omap_volt_data **volt_data); -struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm, - unsigned long volt); -unsigned long omap_voltage_get_nom_volt(struct voltagedomain *voltdm); -struct dentry *omap_voltage_get_dbgdir(struct voltagedomain *voltdm); -#ifdef CONFIG_PM -int omap_voltage_register_pmic(struct voltagedomain *voltdm, - struct omap_volt_pmic_info *pmic_info); -void omap_change_voltscale_method(struct voltagedomain *voltdm, - int voltscale_method); -/* API to get the voltagedomain pointer */ -struct voltagedomain *omap_voltage_domain_lookup(char *name); - -int omap_voltage_late_init(void); -#else -static inline int omap_voltage_register_pmic(struct voltagedomain *voltdm, - struct omap_volt_pmic_info *pmic_info) -{ - return -EINVAL; -} -static inline void omap_change_voltscale_method(struct voltagedomain *voltdm, - int voltscale_method) {} -static inline int omap_voltage_late_init(void) -{ - return -EINVAL; -} -static inline struct voltagedomain *omap_voltage_domain_lookup(char *name) -{ - return ERR_PTR(-EINVAL); -} -#endif - -#endif diff --git a/arch/arm/plat-omap/include/plat/vram.h b/arch/arm/plat-omap/include/plat/vram.h deleted file mode 100644 index 0aa4ecd12c7..00000000000 --- a/arch/arm/plat-omap/include/plat/vram.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - * VRAM manager for OMAP - * - * Copyright (C) 2009 Nokia Corporation - * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __OMAP_VRAM_H__ -#define __OMAP_VRAM_H__ - -#include <linux/types.h> - -#define OMAP_VRAM_MEMTYPE_SDRAM 0 -#define OMAP_VRAM_MEMTYPE_SRAM 1 -#define OMAP_VRAM_MEMTYPE_MAX 1 - -extern int omap_vram_add_region(unsigned long paddr, size_t size); -extern int omap_vram_free(unsigned long paddr, size_t size); -extern int omap_vram_alloc(int mtype, size_t size, unsigned long *paddr); -extern int omap_vram_reserve(unsigned long paddr, size_t size); -extern void omap_vram_get_info(unsigned long *vram, unsigned long *free_vram, - unsigned long *largest_free_block); - -#ifdef CONFIG_OMAP2_VRAM -extern void omap_vram_set_sdram_vram(u32 size, u32 start); -extern void omap_vram_set_sram_vram(u32 size, u32 start); - -extern void omap_vram_reserve_sdram_memblock(void); -extern unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, - unsigned long sram_vstart, - unsigned long sram_size, - unsigned long pstart_avail, - unsigned long size_avail); -#else -static inline void omap_vram_set_sdram_vram(u32 size, u32 start) { } -static inline void omap_vram_set_sram_vram(u32 size, u32 start) { } - -static inline void omap_vram_reserve_sdram_memblock(void) { } -static inline unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, - unsigned long sram_vstart, - unsigned long sram_size, - unsigned long pstart_avail, - unsigned long size_avail) -{ - return 0; -} -#endif - -#endif diff --git a/arch/arm/plat-omap/include/plat/vrfb.h b/arch/arm/plat-omap/include/plat/vrfb.h deleted file mode 100644 index 3792bdea2f6..00000000000 --- a/arch/arm/plat-omap/include/plat/vrfb.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * VRFB Rotation Engine - * - * Copyright (C) 2009 Nokia Corporation - * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __OMAP_VRFB_H__ -#define __OMAP_VRFB_H__ - -#define OMAP_VRFB_LINE_LEN 2048 - -struct vrfb { - u8 context; - void __iomem *vaddr[4]; - unsigned long paddr[4]; - u16 xres; - u16 yres; - u16 xoffset; - u16 yoffset; - u8 bytespp; - bool yuv_mode; -}; - -#ifdef CONFIG_OMAP2_VRFB -extern int omap_vrfb_request_ctx(struct vrfb *vrfb); -extern void omap_vrfb_release_ctx(struct vrfb *vrfb); -extern void omap_vrfb_adjust_size(u16 *width, u16 *height, - u8 bytespp); -extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp); -extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp); -extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr, - u16 width, u16 height, - unsigned bytespp, bool yuv_mode); -extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot); -extern void omap_vrfb_restore_context(void); - -#else -static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { return 0; } -static inline void omap_vrfb_release_ctx(struct vrfb *vrfb) {} -static inline void omap_vrfb_adjust_size(u16 *width, u16 *height, - u8 bytespp) {} -static inline u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp) - { return 0; } -static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp) - { return 0; } -static inline void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr, - u16 width, u16 height, unsigned bytespp, bool yuv_mode) {} -static inline int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot) - { return 0; } -static inline void omap_vrfb_restore_context(void) {} -#endif -#endif /* __VRFB_H */ diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c deleted file mode 100644 index f1295fafcd3..00000000000 --- a/arch/arm/plat-omap/io.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Common io.c file - * This file is created by Russell King <rmk+kernel@arm.linux.org.uk> - * - * Copyright (C) 2009 Texas Instruments - * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/module.h> -#include <linux/io.h> -#include <linux/mm.h> - -#include <plat/omap7xx.h> -#include <plat/omap1510.h> -#include <plat/omap16xx.h> -#include <plat/omap24xx.h> -#include <plat/omap34xx.h> -#include <plat/omap44xx.h> - -#define BETWEEN(p,st,sz) ((p) >= (st) && (p) < ((st) + (sz))) -#define XLATE(p,pst,vst) ((void __iomem *)((p) - (pst) + (vst))) - -/* - * Intercept ioremap() requests for addresses in our fixed mapping regions. - */ -void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type) -{ -#ifdef CONFIG_ARCH_OMAP1 - if (cpu_class_is_omap1()) { - if (BETWEEN(p, OMAP1_IO_PHYS, OMAP1_IO_SIZE)) - return XLATE(p, OMAP1_IO_PHYS, OMAP1_IO_VIRT); - } - if (cpu_is_omap7xx()) { - if (BETWEEN(p, OMAP7XX_DSP_BASE, OMAP7XX_DSP_SIZE)) - return XLATE(p, OMAP7XX_DSP_BASE, OMAP7XX_DSP_START); - - if (BETWEEN(p, OMAP7XX_DSPREG_BASE, OMAP7XX_DSPREG_SIZE)) - return XLATE(p, OMAP7XX_DSPREG_BASE, - OMAP7XX_DSPREG_START); - } - if (cpu_is_omap15xx()) { - if (BETWEEN(p, OMAP1510_DSP_BASE, OMAP1510_DSP_SIZE)) - return XLATE(p, OMAP1510_DSP_BASE, OMAP1510_DSP_START); - - if (BETWEEN(p, OMAP1510_DSPREG_BASE, OMAP1510_DSPREG_SIZE)) - return XLATE(p, OMAP1510_DSPREG_BASE, - OMAP1510_DSPREG_START); - } - if (cpu_is_omap16xx()) { - if (BETWEEN(p, OMAP16XX_DSP_BASE, OMAP16XX_DSP_SIZE)) - return XLATE(p, OMAP16XX_DSP_BASE, OMAP16XX_DSP_START); - - if (BETWEEN(p, OMAP16XX_DSPREG_BASE, OMAP16XX_DSPREG_SIZE)) - return XLATE(p, OMAP16XX_DSPREG_BASE, - OMAP16XX_DSPREG_START); - } -#endif -#ifdef CONFIG_ARCH_OMAP2 - if (cpu_is_omap24xx()) { - if (BETWEEN(p, L3_24XX_PHYS, L3_24XX_SIZE)) - return XLATE(p, L3_24XX_PHYS, L3_24XX_VIRT); - if (BETWEEN(p, L4_24XX_PHYS, L4_24XX_SIZE)) - return XLATE(p, L4_24XX_PHYS, L4_24XX_VIRT); - } - if (cpu_is_omap2420()) { - if (BETWEEN(p, DSP_MEM_2420_PHYS, DSP_MEM_2420_SIZE)) - return XLATE(p, DSP_MEM_2420_PHYS, DSP_MEM_2420_VIRT); - if (BETWEEN(p, DSP_IPI_2420_PHYS, DSP_IPI_2420_SIZE)) - return XLATE(p, DSP_IPI_2420_PHYS, DSP_IPI_2420_SIZE); - if (BETWEEN(p, DSP_MMU_2420_PHYS, DSP_MMU_2420_SIZE)) - return XLATE(p, DSP_MMU_2420_PHYS, DSP_MMU_2420_VIRT); - } - if (cpu_is_omap2430()) { - if (BETWEEN(p, L4_WK_243X_PHYS, L4_WK_243X_SIZE)) - return XLATE(p, L4_WK_243X_PHYS, L4_WK_243X_VIRT); - if (BETWEEN(p, OMAP243X_GPMC_PHYS, OMAP243X_GPMC_SIZE)) - return XLATE(p, OMAP243X_GPMC_PHYS, OMAP243X_GPMC_VIRT); - if (BETWEEN(p, OMAP243X_SDRC_PHYS, OMAP243X_SDRC_SIZE)) - return XLATE(p, OMAP243X_SDRC_PHYS, OMAP243X_SDRC_VIRT); - if (BETWEEN(p, OMAP243X_SMS_PHYS, OMAP243X_SMS_SIZE)) - return XLATE(p, OMAP243X_SMS_PHYS, OMAP243X_SMS_VIRT); - } -#endif -#ifdef CONFIG_ARCH_OMAP3 - if (cpu_is_omap34xx()) { - if (BETWEEN(p, L3_34XX_PHYS, L3_34XX_SIZE)) - return XLATE(p, L3_34XX_PHYS, L3_34XX_VIRT); - if (BETWEEN(p, L4_34XX_PHYS, L4_34XX_SIZE)) - return XLATE(p, L4_34XX_PHYS, L4_34XX_VIRT); - if (BETWEEN(p, OMAP34XX_GPMC_PHYS, OMAP34XX_GPMC_SIZE)) - return XLATE(p, OMAP34XX_GPMC_PHYS, OMAP34XX_GPMC_VIRT); - if (BETWEEN(p, OMAP343X_SMS_PHYS, OMAP343X_SMS_SIZE)) - return XLATE(p, OMAP343X_SMS_PHYS, OMAP343X_SMS_VIRT); - if (BETWEEN(p, OMAP343X_SDRC_PHYS, OMAP343X_SDRC_SIZE)) - return XLATE(p, OMAP343X_SDRC_PHYS, OMAP343X_SDRC_VIRT); - if (BETWEEN(p, L4_PER_34XX_PHYS, L4_PER_34XX_SIZE)) - return XLATE(p, L4_PER_34XX_PHYS, L4_PER_34XX_VIRT); - if (BETWEEN(p, L4_EMU_34XX_PHYS, L4_EMU_34XX_SIZE)) - return XLATE(p, L4_EMU_34XX_PHYS, L4_EMU_34XX_VIRT); - } -#endif -#ifdef CONFIG_ARCH_OMAP4 - if (cpu_is_omap44xx()) { - if (BETWEEN(p, L3_44XX_PHYS, L3_44XX_SIZE)) - return XLATE(p, L3_44XX_PHYS, L3_44XX_VIRT); - if (BETWEEN(p, L4_44XX_PHYS, L4_44XX_SIZE)) - return XLATE(p, L4_44XX_PHYS, L4_44XX_VIRT); - if (BETWEEN(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_SIZE)) - return XLATE(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_VIRT); - if (BETWEEN(p, OMAP44XX_EMIF1_PHYS, OMAP44XX_EMIF1_SIZE)) - return XLATE(p, OMAP44XX_EMIF1_PHYS, \ - OMAP44XX_EMIF1_VIRT); - if (BETWEEN(p, OMAP44XX_EMIF2_PHYS, OMAP44XX_EMIF2_SIZE)) - return XLATE(p, OMAP44XX_EMIF2_PHYS, \ - OMAP44XX_EMIF2_VIRT); - if (BETWEEN(p, OMAP44XX_DMM_PHYS, OMAP44XX_DMM_SIZE)) - return XLATE(p, OMAP44XX_DMM_PHYS, OMAP44XX_DMM_VIRT); - if (BETWEEN(p, L4_PER_44XX_PHYS, L4_PER_44XX_SIZE)) - return XLATE(p, L4_PER_44XX_PHYS, L4_PER_44XX_VIRT); - if (BETWEEN(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_SIZE)) - return XLATE(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_VIRT); - } -#endif - return __arm_ioremap_caller(p, size, type, __builtin_return_address(0)); -} -EXPORT_SYMBOL(omap_ioremap); - -void omap_iounmap(volatile void __iomem *addr) -{ - unsigned long virt = (unsigned long)addr; - - if (virt >= VMALLOC_START && virt < VMALLOC_END) - __iounmap(addr); -} -EXPORT_SYMBOL(omap_iounmap); diff --git a/arch/arm/plat-omap/iommu-debug.c b/arch/arm/plat-omap/iommu-debug.c deleted file mode 100644 index f07cf2f08e0..00000000000 --- a/arch/arm/plat-omap/iommu-debug.c +++ /dev/null @@ -1,418 +0,0 @@ -/* - * omap iommu: debugfs interface - * - * Copyright (C) 2008-2009 Nokia Corporation - * - * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/slab.h> -#include <linux/uaccess.h> -#include <linux/platform_device.h> -#include <linux/debugfs.h> - -#include <plat/iommu.h> -#include <plat/iovmm.h> - -#include "iopgtable.h" - -#define MAXCOLUMN 100 /* for short messages */ - -static DEFINE_MUTEX(iommu_debug_lock); - -static struct dentry *iommu_debug_root; - -static ssize_t debug_read_ver(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - u32 ver = iommu_arch_version(); - char buf[MAXCOLUMN], *p = buf; - - p += sprintf(p, "H/W version: %d.%d\n", (ver >> 4) & 0xf , ver & 0xf); - - return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); -} - -static ssize_t debug_read_regs(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct iommu *obj = file->private_data; - char *p, *buf; - ssize_t bytes; - - buf = kmalloc(count, GFP_KERNEL); - if (!buf) - return -ENOMEM; - p = buf; - - mutex_lock(&iommu_debug_lock); - - bytes = iommu_dump_ctx(obj, p, count); - bytes = simple_read_from_buffer(userbuf, count, ppos, buf, bytes); - - mutex_unlock(&iommu_debug_lock); - kfree(buf); - - return bytes; -} - -static ssize_t debug_read_tlb(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct iommu *obj = file->private_data; - char *p, *buf; - ssize_t bytes, rest; - - buf = kmalloc(count, GFP_KERNEL); - if (!buf) - return -ENOMEM; - p = buf; - - mutex_lock(&iommu_debug_lock); - - p += sprintf(p, "%8s %8s\n", "cam:", "ram:"); - p += sprintf(p, "-----------------------------------------\n"); - rest = count - (p - buf); - p += dump_tlb_entries(obj, p, rest); - - bytes = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); - - mutex_unlock(&iommu_debug_lock); - kfree(buf); - - return bytes; -} - -static ssize_t debug_write_pagetable(struct file *file, - const char __user *userbuf, size_t count, loff_t *ppos) -{ - struct iotlb_entry e; - struct cr_regs cr; - int err; - struct iommu *obj = file->private_data; - char buf[MAXCOLUMN], *p = buf; - - count = min(count, sizeof(buf)); - - mutex_lock(&iommu_debug_lock); - if (copy_from_user(p, userbuf, count)) { - mutex_unlock(&iommu_debug_lock); - return -EFAULT; - } - - sscanf(p, "%x %x", &cr.cam, &cr.ram); - if (!cr.cam || !cr.ram) { - mutex_unlock(&iommu_debug_lock); - return -EINVAL; - } - - iotlb_cr_to_e(&cr, &e); - err = iopgtable_store_entry(obj, &e); - if (err) - dev_err(obj->dev, "%s: fail to store cr\n", __func__); - - mutex_unlock(&iommu_debug_lock); - return count; -} - -#define dump_ioptable_entry_one(lv, da, val) \ - ({ \ - int __err = 0; \ - ssize_t bytes; \ - const int maxcol = 22; \ - const char *str = "%d: %08x %08x\n"; \ - bytes = snprintf(p, maxcol, str, lv, da, val); \ - p += bytes; \ - len -= bytes; \ - if (len < maxcol) \ - __err = -ENOMEM; \ - __err; \ - }) - -static ssize_t dump_ioptable(struct iommu *obj, char *buf, ssize_t len) -{ - int i; - u32 *iopgd; - char *p = buf; - - spin_lock(&obj->page_table_lock); - - iopgd = iopgd_offset(obj, 0); - for (i = 0; i < PTRS_PER_IOPGD; i++, iopgd++) { - int j, err; - u32 *iopte; - u32 da; - - if (!*iopgd) - continue; - - if (!(*iopgd & IOPGD_TABLE)) { - da = i << IOPGD_SHIFT; - - err = dump_ioptable_entry_one(1, da, *iopgd); - if (err) - goto out; - continue; - } - - iopte = iopte_offset(iopgd, 0); - - for (j = 0; j < PTRS_PER_IOPTE; j++, iopte++) { - if (!*iopte) - continue; - - da = (i << IOPGD_SHIFT) + (j << IOPTE_SHIFT); - err = dump_ioptable_entry_one(2, da, *iopgd); - if (err) - goto out; - } - } -out: - spin_unlock(&obj->page_table_lock); - - return p - buf; -} - -static ssize_t debug_read_pagetable(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct iommu *obj = file->private_data; - char *p, *buf; - size_t bytes; - - buf = (char *)__get_free_page(GFP_KERNEL); - if (!buf) - return -ENOMEM; - p = buf; - - p += sprintf(p, "L: %8s %8s\n", "da:", "pa:"); - p += sprintf(p, "-----------------------------------------\n"); - - mutex_lock(&iommu_debug_lock); - - bytes = PAGE_SIZE - (p - buf); - p += dump_ioptable(obj, p, bytes); - - bytes = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); - - mutex_unlock(&iommu_debug_lock); - free_page((unsigned long)buf); - - return bytes; -} - -static ssize_t debug_read_mmap(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct iommu *obj = file->private_data; - char *p, *buf; - struct iovm_struct *tmp; - int uninitialized_var(i); - ssize_t bytes; - - buf = (char *)__get_free_page(GFP_KERNEL); - if (!buf) - return -ENOMEM; - p = buf; - - p += sprintf(p, "%-3s %-8s %-8s %6s %8s\n", - "No", "start", "end", "size", "flags"); - p += sprintf(p, "-------------------------------------------------\n"); - - mutex_lock(&iommu_debug_lock); - - list_for_each_entry(tmp, &obj->mmap, list) { - size_t len; - const char *str = "%3d %08x-%08x %6x %8x\n"; - const int maxcol = 39; - - len = tmp->da_end - tmp->da_start; - p += snprintf(p, maxcol, str, - i, tmp->da_start, tmp->da_end, len, tmp->flags); - - if (PAGE_SIZE - (p - buf) < maxcol) - break; - i++; - } - - bytes = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); - - mutex_unlock(&iommu_debug_lock); - free_page((unsigned long)buf); - - return bytes; -} - -static ssize_t debug_read_mem(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct iommu *obj = file->private_data; - char *p, *buf; - struct iovm_struct *area; - ssize_t bytes; - - count = min_t(ssize_t, count, PAGE_SIZE); - - buf = (char *)__get_free_page(GFP_KERNEL); - if (!buf) - return -ENOMEM; - p = buf; - - mutex_lock(&iommu_debug_lock); - - area = find_iovm_area(obj, (u32)ppos); - if (IS_ERR(area)) { - bytes = -EINVAL; - goto err_out; - } - memcpy(p, area->va, count); - p += count; - - bytes = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); -err_out: - mutex_unlock(&iommu_debug_lock); - free_page((unsigned long)buf); - - return bytes; -} - -static ssize_t debug_write_mem(struct file *file, const char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct iommu *obj = file->private_data; - struct iovm_struct *area; - char *p, *buf; - - count = min_t(size_t, count, PAGE_SIZE); - - buf = (char *)__get_free_page(GFP_KERNEL); - if (!buf) - return -ENOMEM; - p = buf; - - mutex_lock(&iommu_debug_lock); - - if (copy_from_user(p, userbuf, count)) { - count = -EFAULT; - goto err_out; - } - - area = find_iovm_area(obj, (u32)ppos); - if (IS_ERR(area)) { - count = -EINVAL; - goto err_out; - } - memcpy(area->va, p, count); -err_out: - mutex_unlock(&iommu_debug_lock); - free_page((unsigned long)buf); - - return count; -} - -static int debug_open_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - -#define DEBUG_FOPS(name) \ - static const struct file_operations debug_##name##_fops = { \ - .open = debug_open_generic, \ - .read = debug_read_##name, \ - .write = debug_write_##name, \ - .llseek = generic_file_llseek, \ - }; - -#define DEBUG_FOPS_RO(name) \ - static const struct file_operations debug_##name##_fops = { \ - .open = debug_open_generic, \ - .read = debug_read_##name, \ - .llseek = generic_file_llseek, \ - }; - -DEBUG_FOPS_RO(ver); -DEBUG_FOPS_RO(regs); -DEBUG_FOPS_RO(tlb); -DEBUG_FOPS(pagetable); -DEBUG_FOPS_RO(mmap); -DEBUG_FOPS(mem); - -#define __DEBUG_ADD_FILE(attr, mode) \ - { \ - struct dentry *dent; \ - dent = debugfs_create_file(#attr, mode, parent, \ - obj, &debug_##attr##_fops); \ - if (!dent) \ - return -ENOMEM; \ - } - -#define DEBUG_ADD_FILE(name) __DEBUG_ADD_FILE(name, 600) -#define DEBUG_ADD_FILE_RO(name) __DEBUG_ADD_FILE(name, 400) - -static int iommu_debug_register(struct device *dev, void *data) -{ - struct platform_device *pdev = to_platform_device(dev); - struct iommu *obj = platform_get_drvdata(pdev); - struct dentry *d, *parent; - - if (!obj || !obj->dev) - return -EINVAL; - - d = debugfs_create_dir(obj->name, iommu_debug_root); - if (!d) - return -ENOMEM; - parent = d; - - d = debugfs_create_u8("nr_tlb_entries", 400, parent, - (u8 *)&obj->nr_tlb_entries); - if (!d) - return -ENOMEM; - - DEBUG_ADD_FILE_RO(ver); - DEBUG_ADD_FILE_RO(regs); - DEBUG_ADD_FILE_RO(tlb); - DEBUG_ADD_FILE(pagetable); - DEBUG_ADD_FILE_RO(mmap); - DEBUG_ADD_FILE(mem); - - return 0; -} - -static int __init iommu_debug_init(void) -{ - struct dentry *d; - int err; - - d = debugfs_create_dir("iommu", NULL); - if (!d) - return -ENOMEM; - iommu_debug_root = d; - - err = foreach_iommu_device(d, iommu_debug_register); - if (err) - goto err_out; - return 0; - -err_out: - debugfs_remove_recursive(iommu_debug_root); - return err; -} -module_init(iommu_debug_init) - -static void __exit iommu_debugfs_exit(void) -{ - debugfs_remove_recursive(iommu_debug_root); -} -module_exit(iommu_debugfs_exit) - -MODULE_DESCRIPTION("omap iommu: debugfs interface"); -MODULE_AUTHOR("Hiroshi DOYU <Hiroshi.DOYU@nokia.com>"); -MODULE_LICENSE("GPL v2"); diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c deleted file mode 100644 index b1107c08da5..00000000000 --- a/arch/arm/plat-omap/iommu.c +++ /dev/null @@ -1,1073 +0,0 @@ -/* - * omap iommu: tlb and pagetable primitives - * - * Copyright (C) 2008-2010 Nokia Corporation - * - * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>, - * Paul Mundt and Toshihiro Kobayashi - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/err.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/clk.h> -#include <linux/platform_device.h> - -#include <asm/cacheflush.h> - -#include <plat/iommu.h> - -#include "iopgtable.h" - -#define for_each_iotlb_cr(obj, n, __i, cr) \ - for (__i = 0; \ - (__i < (n)) && (cr = __iotlb_read_cr((obj), __i), true); \ - __i++) - -/* accommodate the difference between omap1 and omap2/3 */ -static const struct iommu_functions *arch_iommu; - -static struct platform_driver omap_iommu_driver; -static struct kmem_cache *iopte_cachep; - -/** - * install_iommu_arch - Install archtecure specific iommu functions - * @ops: a pointer to architecture specific iommu functions - * - * There are several kind of iommu algorithm(tlb, pagetable) among - * omap series. This interface installs such an iommu algorighm. - **/ -int install_iommu_arch(const struct iommu_functions *ops) -{ - if (arch_iommu) - return -EBUSY; - - arch_iommu = ops; - return 0; -} -EXPORT_SYMBOL_GPL(install_iommu_arch); - -/** - * uninstall_iommu_arch - Uninstall archtecure specific iommu functions - * @ops: a pointer to architecture specific iommu functions - * - * This interface uninstalls the iommu algorighm installed previously. - **/ -void uninstall_iommu_arch(const struct iommu_functions *ops) -{ - if (arch_iommu != ops) - pr_err("%s: not your arch\n", __func__); - - arch_iommu = NULL; -} -EXPORT_SYMBOL_GPL(uninstall_iommu_arch); - -/** - * iommu_save_ctx - Save registers for pm off-mode support - * @obj: target iommu - **/ -void iommu_save_ctx(struct iommu *obj) -{ - arch_iommu->save_ctx(obj); -} -EXPORT_SYMBOL_GPL(iommu_save_ctx); - -/** - * iommu_restore_ctx - Restore registers for pm off-mode support - * @obj: target iommu - **/ -void iommu_restore_ctx(struct iommu *obj) -{ - arch_iommu->restore_ctx(obj); -} -EXPORT_SYMBOL_GPL(iommu_restore_ctx); - -/** - * iommu_arch_version - Return running iommu arch version - **/ -u32 iommu_arch_version(void) -{ - return arch_iommu->version; -} -EXPORT_SYMBOL_GPL(iommu_arch_version); - -static int iommu_enable(struct iommu *obj) -{ - int err; - - if (!obj) - return -EINVAL; - - clk_enable(obj->clk); - - err = arch_iommu->enable(obj); - - clk_disable(obj->clk); - return err; -} - -static void iommu_disable(struct iommu *obj) -{ - if (!obj) - return; - - clk_enable(obj->clk); - - arch_iommu->disable(obj); - - clk_disable(obj->clk); -} - -/* - * TLB operations - */ -void iotlb_cr_to_e(struct cr_regs *cr, struct iotlb_entry *e) -{ - BUG_ON(!cr || !e); - - arch_iommu->cr_to_e(cr, e); -} -EXPORT_SYMBOL_GPL(iotlb_cr_to_e); - -static inline int iotlb_cr_valid(struct cr_regs *cr) -{ - if (!cr) - return -EINVAL; - - return arch_iommu->cr_valid(cr); -} - -static inline struct cr_regs *iotlb_alloc_cr(struct iommu *obj, - struct iotlb_entry *e) -{ - if (!e) - return NULL; - - return arch_iommu->alloc_cr(obj, e); -} - -u32 iotlb_cr_to_virt(struct cr_regs *cr) -{ - return arch_iommu->cr_to_virt(cr); -} -EXPORT_SYMBOL_GPL(iotlb_cr_to_virt); - -static u32 get_iopte_attr(struct iotlb_entry *e) -{ - return arch_iommu->get_pte_attr(e); -} - -static u32 iommu_report_fault(struct iommu *obj, u32 *da) -{ - return arch_iommu->fault_isr(obj, da); -} - -static void iotlb_lock_get(struct iommu *obj, struct iotlb_lock *l) -{ - u32 val; - - val = iommu_read_reg(obj, MMU_LOCK); - - l->base = MMU_LOCK_BASE(val); - l->vict = MMU_LOCK_VICT(val); - -} - -static void iotlb_lock_set(struct iommu *obj, struct iotlb_lock *l) -{ - u32 val; - - val = (l->base << MMU_LOCK_BASE_SHIFT); - val |= (l->vict << MMU_LOCK_VICT_SHIFT); - - iommu_write_reg(obj, val, MMU_LOCK); -} - -static void iotlb_read_cr(struct iommu *obj, struct cr_regs *cr) -{ - arch_iommu->tlb_read_cr(obj, cr); -} - -static void iotlb_load_cr(struct iommu *obj, struct cr_regs *cr) -{ - arch_iommu->tlb_load_cr(obj, cr); - - iommu_write_reg(obj, 1, MMU_FLUSH_ENTRY); - iommu_write_reg(obj, 1, MMU_LD_TLB); -} - -/** - * iotlb_dump_cr - Dump an iommu tlb entry into buf - * @obj: target iommu - * @cr: contents of cam and ram register - * @buf: output buffer - **/ -static inline ssize_t iotlb_dump_cr(struct iommu *obj, struct cr_regs *cr, - char *buf) -{ - BUG_ON(!cr || !buf); - - return arch_iommu->dump_cr(obj, cr, buf); -} - -/* only used in iotlb iteration for-loop */ -static struct cr_regs __iotlb_read_cr(struct iommu *obj, int n) -{ - struct cr_regs cr; - struct iotlb_lock l; - - iotlb_lock_get(obj, &l); - l.vict = n; - iotlb_lock_set(obj, &l); - iotlb_read_cr(obj, &cr); - - return cr; -} - -/** - * load_iotlb_entry - Set an iommu tlb entry - * @obj: target iommu - * @e: an iommu tlb entry info - **/ -int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e) -{ - int err = 0; - struct iotlb_lock l; - struct cr_regs *cr; - - if (!obj || !obj->nr_tlb_entries || !e) - return -EINVAL; - - clk_enable(obj->clk); - - iotlb_lock_get(obj, &l); - if (l.base == obj->nr_tlb_entries) { - dev_warn(obj->dev, "%s: preserve entries full\n", __func__); - err = -EBUSY; - goto out; - } - if (!e->prsvd) { - int i; - struct cr_regs tmp; - - for_each_iotlb_cr(obj, obj->nr_tlb_entries, i, tmp) - if (!iotlb_cr_valid(&tmp)) - break; - - if (i == obj->nr_tlb_entries) { - dev_dbg(obj->dev, "%s: full: no entry\n", __func__); - err = -EBUSY; - goto out; - } - - iotlb_lock_get(obj, &l); - } else { - l.vict = l.base; - iotlb_lock_set(obj, &l); - } - - cr = iotlb_alloc_cr(obj, e); - if (IS_ERR(cr)) { - clk_disable(obj->clk); - return PTR_ERR(cr); - } - - iotlb_load_cr(obj, cr); - kfree(cr); - - if (e->prsvd) - l.base++; - /* increment victim for next tlb load */ - if (++l.vict == obj->nr_tlb_entries) - l.vict = l.base; - iotlb_lock_set(obj, &l); -out: - clk_disable(obj->clk); - return err; -} -EXPORT_SYMBOL_GPL(load_iotlb_entry); - -/** - * flush_iotlb_page - Clear an iommu tlb entry - * @obj: target iommu - * @da: iommu device virtual address - * - * Clear an iommu tlb entry which includes 'da' address. - **/ -void flush_iotlb_page(struct iommu *obj, u32 da) -{ - int i; - struct cr_regs cr; - - clk_enable(obj->clk); - - for_each_iotlb_cr(obj, obj->nr_tlb_entries, i, cr) { - u32 start; - size_t bytes; - - if (!iotlb_cr_valid(&cr)) - continue; - - start = iotlb_cr_to_virt(&cr); - bytes = iopgsz_to_bytes(cr.cam & 3); - - if ((start <= da) && (da < start + bytes)) { - dev_dbg(obj->dev, "%s: %08x<=%08x(%x)\n", - __func__, start, da, bytes); - iotlb_load_cr(obj, &cr); - iommu_write_reg(obj, 1, MMU_FLUSH_ENTRY); - } - } - clk_disable(obj->clk); - - if (i == obj->nr_tlb_entries) - dev_dbg(obj->dev, "%s: no page for %08x\n", __func__, da); -} -EXPORT_SYMBOL_GPL(flush_iotlb_page); - -/** - * flush_iotlb_range - Clear an iommu tlb entries - * @obj: target iommu - * @start: iommu device virtual address(start) - * @end: iommu device virtual address(end) - * - * Clear an iommu tlb entry which includes 'da' address. - **/ -void flush_iotlb_range(struct iommu *obj, u32 start, u32 end) -{ - u32 da = start; - - while (da < end) { - flush_iotlb_page(obj, da); - /* FIXME: Optimize for multiple page size */ - da += IOPTE_SIZE; - } -} -EXPORT_SYMBOL_GPL(flush_iotlb_range); - -/** - * flush_iotlb_all - Clear all iommu tlb entries - * @obj: target iommu - **/ -void flush_iotlb_all(struct iommu *obj) -{ - struct iotlb_lock l; - - clk_enable(obj->clk); - - l.base = 0; - l.vict = 0; - iotlb_lock_set(obj, &l); - - iommu_write_reg(obj, 1, MMU_GFLUSH); - - clk_disable(obj->clk); -} -EXPORT_SYMBOL_GPL(flush_iotlb_all); - -/** - * iommu_set_twl - enable/disable table walking logic - * @obj: target iommu - * @on: enable/disable - * - * Function used to enable/disable TWL. If one wants to work - * exclusively with locked TLB entries and receive notifications - * for TLB miss then call this function to disable TWL. - */ -void iommu_set_twl(struct iommu *obj, bool on) -{ - clk_enable(obj->clk); - arch_iommu->set_twl(obj, on); - clk_disable(obj->clk); -} -EXPORT_SYMBOL_GPL(iommu_set_twl); - -#if defined(CONFIG_OMAP_IOMMU_DEBUG_MODULE) - -ssize_t iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t bytes) -{ - if (!obj || !buf) - return -EINVAL; - - clk_enable(obj->clk); - - bytes = arch_iommu->dump_ctx(obj, buf, bytes); - - clk_disable(obj->clk); - - return bytes; -} -EXPORT_SYMBOL_GPL(iommu_dump_ctx); - -static int __dump_tlb_entries(struct iommu *obj, struct cr_regs *crs, int num) -{ - int i; - struct iotlb_lock saved; - struct cr_regs tmp; - struct cr_regs *p = crs; - - clk_enable(obj->clk); - iotlb_lock_get(obj, &saved); - - for_each_iotlb_cr(obj, num, i, tmp) { - if (!iotlb_cr_valid(&tmp)) - continue; - *p++ = tmp; - } - - iotlb_lock_set(obj, &saved); - clk_disable(obj->clk); - - return p - crs; -} - -/** - * dump_tlb_entries - dump cr arrays to given buffer - * @obj: target iommu - * @buf: output buffer - **/ -size_t dump_tlb_entries(struct iommu *obj, char *buf, ssize_t bytes) -{ - int i, num; - struct cr_regs *cr; - char *p = buf; - - num = bytes / sizeof(*cr); - num = min(obj->nr_tlb_entries, num); - - cr = kcalloc(num, sizeof(*cr), GFP_KERNEL); - if (!cr) - return 0; - - num = __dump_tlb_entries(obj, cr, num); - for (i = 0; i < num; i++) - p += iotlb_dump_cr(obj, cr + i, p); - kfree(cr); - - return p - buf; -} -EXPORT_SYMBOL_GPL(dump_tlb_entries); - -int foreach_iommu_device(void *data, int (*fn)(struct device *, void *)) -{ - return driver_for_each_device(&omap_iommu_driver.driver, - NULL, data, fn); -} -EXPORT_SYMBOL_GPL(foreach_iommu_device); - -#endif /* CONFIG_OMAP_IOMMU_DEBUG_MODULE */ - -/* - * H/W pagetable operations - */ -static void flush_iopgd_range(u32 *first, u32 *last) -{ - /* FIXME: L2 cache should be taken care of if it exists */ - do { - asm("mcr p15, 0, %0, c7, c10, 1 @ flush_pgd" - : : "r" (first)); - first += L1_CACHE_BYTES / sizeof(*first); - } while (first <= last); -} - -static void flush_iopte_range(u32 *first, u32 *last) -{ - /* FIXME: L2 cache should be taken care of if it exists */ - do { - asm("mcr p15, 0, %0, c7, c10, 1 @ flush_pte" - : : "r" (first)); - first += L1_CACHE_BYTES / sizeof(*first); - } while (first <= last); -} - -static void iopte_free(u32 *iopte) -{ - /* Note: freed iopte's must be clean ready for re-use */ - kmem_cache_free(iopte_cachep, iopte); -} - -static u32 *iopte_alloc(struct iommu *obj, u32 *iopgd, u32 da) -{ - u32 *iopte; - - /* a table has already existed */ - if (*iopgd) - goto pte_ready; - - /* - * do the allocation outside the page table lock - */ - spin_unlock(&obj->page_table_lock); - iopte = kmem_cache_zalloc(iopte_cachep, GFP_KERNEL); - spin_lock(&obj->page_table_lock); - - if (!*iopgd) { - if (!iopte) - return ERR_PTR(-ENOMEM); - - *iopgd = virt_to_phys(iopte) | IOPGD_TABLE; - flush_iopgd_range(iopgd, iopgd); - - dev_vdbg(obj->dev, "%s: a new pte:%p\n", __func__, iopte); - } else { - /* We raced, free the reduniovant table */ - iopte_free(iopte); - } - -pte_ready: - iopte = iopte_offset(iopgd, da); - - dev_vdbg(obj->dev, - "%s: da:%08x pgd:%p *pgd:%08x pte:%p *pte:%08x\n", - __func__, da, iopgd, *iopgd, iopte, *iopte); - - return iopte; -} - -static int iopgd_alloc_section(struct iommu *obj, u32 da, u32 pa, u32 prot) -{ - u32 *iopgd = iopgd_offset(obj, da); - - if ((da | pa) & ~IOSECTION_MASK) { - dev_err(obj->dev, "%s: %08x:%08x should aligned on %08lx\n", - __func__, da, pa, IOSECTION_SIZE); - return -EINVAL; - } - - *iopgd = (pa & IOSECTION_MASK) | prot | IOPGD_SECTION; - flush_iopgd_range(iopgd, iopgd); - return 0; -} - -static int iopgd_alloc_super(struct iommu *obj, u32 da, u32 pa, u32 prot) -{ - u32 *iopgd = iopgd_offset(obj, da); - int i; - - if ((da | pa) & ~IOSUPER_MASK) { - dev_err(obj->dev, "%s: %08x:%08x should aligned on %08lx\n", - __func__, da, pa, IOSUPER_SIZE); - return -EINVAL; - } - - for (i = 0; i < 16; i++) - *(iopgd + i) = (pa & IOSUPER_MASK) | prot | IOPGD_SUPER; - flush_iopgd_range(iopgd, iopgd + 15); - return 0; -} - -static int iopte_alloc_page(struct iommu *obj, u32 da, u32 pa, u32 prot) -{ - u32 *iopgd = iopgd_offset(obj, da); - u32 *iopte = iopte_alloc(obj, iopgd, da); - - if (IS_ERR(iopte)) - return PTR_ERR(iopte); - - *iopte = (pa & IOPAGE_MASK) | prot | IOPTE_SMALL; - flush_iopte_range(iopte, iopte); - - dev_vdbg(obj->dev, "%s: da:%08x pa:%08x pte:%p *pte:%08x\n", - __func__, da, pa, iopte, *iopte); - - return 0; -} - -static int iopte_alloc_large(struct iommu *obj, u32 da, u32 pa, u32 prot) -{ - u32 *iopgd = iopgd_offset(obj, da); - u32 *iopte = iopte_alloc(obj, iopgd, da); - int i; - - if ((da | pa) & ~IOLARGE_MASK) { - dev_err(obj->dev, "%s: %08x:%08x should aligned on %08lx\n", - __func__, da, pa, IOLARGE_SIZE); - return -EINVAL; - } - - if (IS_ERR(iopte)) - return PTR_ERR(iopte); - - for (i = 0; i < 16; i++) - *(iopte + i) = (pa & IOLARGE_MASK) | prot | IOPTE_LARGE; - flush_iopte_range(iopte, iopte + 15); - return 0; -} - -static int iopgtable_store_entry_core(struct iommu *obj, struct iotlb_entry *e) -{ - int (*fn)(struct iommu *, u32, u32, u32); - u32 prot; - int err; - - if (!obj || !e) - return -EINVAL; - - switch (e->pgsz) { - case MMU_CAM_PGSZ_16M: - fn = iopgd_alloc_super; - break; - case MMU_CAM_PGSZ_1M: - fn = iopgd_alloc_section; - break; - case MMU_CAM_PGSZ_64K: - fn = iopte_alloc_large; - break; - case MMU_CAM_PGSZ_4K: - fn = iopte_alloc_page; - break; - default: - fn = NULL; - BUG(); - break; - } - - prot = get_iopte_attr(e); - - spin_lock(&obj->page_table_lock); - err = fn(obj, e->da, e->pa, prot); - spin_unlock(&obj->page_table_lock); - - return err; -} - -/** - * iopgtable_store_entry - Make an iommu pte entry - * @obj: target iommu - * @e: an iommu tlb entry info - **/ -int iopgtable_store_entry(struct iommu *obj, struct iotlb_entry *e) -{ - int err; - - flush_iotlb_page(obj, e->da); - err = iopgtable_store_entry_core(obj, e); -#ifdef PREFETCH_IOTLB - if (!err) - load_iotlb_entry(obj, e); -#endif - return err; -} -EXPORT_SYMBOL_GPL(iopgtable_store_entry); - -/** - * iopgtable_lookup_entry - Lookup an iommu pte entry - * @obj: target iommu - * @da: iommu device virtual address - * @ppgd: iommu pgd entry pointer to be returned - * @ppte: iommu pte entry pointer to be returned - **/ -void iopgtable_lookup_entry(struct iommu *obj, u32 da, u32 **ppgd, u32 **ppte) -{ - u32 *iopgd, *iopte = NULL; - - iopgd = iopgd_offset(obj, da); - if (!*iopgd) - goto out; - - if (iopgd_is_table(*iopgd)) - iopte = iopte_offset(iopgd, da); -out: - *ppgd = iopgd; - *ppte = iopte; -} -EXPORT_SYMBOL_GPL(iopgtable_lookup_entry); - -static size_t iopgtable_clear_entry_core(struct iommu *obj, u32 da) -{ - size_t bytes; - u32 *iopgd = iopgd_offset(obj, da); - int nent = 1; - - if (!*iopgd) - return 0; - - if (iopgd_is_table(*iopgd)) { - int i; - u32 *iopte = iopte_offset(iopgd, da); - - bytes = IOPTE_SIZE; - if (*iopte & IOPTE_LARGE) { - nent *= 16; - /* rewind to the 1st entry */ - iopte = iopte_offset(iopgd, (da & IOLARGE_MASK)); - } - bytes *= nent; - memset(iopte, 0, nent * sizeof(*iopte)); - flush_iopte_range(iopte, iopte + (nent - 1) * sizeof(*iopte)); - - /* - * do table walk to check if this table is necessary or not - */ - iopte = iopte_offset(iopgd, 0); - for (i = 0; i < PTRS_PER_IOPTE; i++) - if (iopte[i]) - goto out; - - iopte_free(iopte); - nent = 1; /* for the next L1 entry */ - } else { - bytes = IOPGD_SIZE; - if ((*iopgd & IOPGD_SUPER) == IOPGD_SUPER) { - nent *= 16; - /* rewind to the 1st entry */ - iopgd = iopgd_offset(obj, (da & IOSUPER_MASK)); - } - bytes *= nent; - } - memset(iopgd, 0, nent * sizeof(*iopgd)); - flush_iopgd_range(iopgd, iopgd + (nent - 1) * sizeof(*iopgd)); -out: - return bytes; -} - -/** - * iopgtable_clear_entry - Remove an iommu pte entry - * @obj: target iommu - * @da: iommu device virtual address - **/ -size_t iopgtable_clear_entry(struct iommu *obj, u32 da) -{ - size_t bytes; - - spin_lock(&obj->page_table_lock); - - bytes = iopgtable_clear_entry_core(obj, da); - flush_iotlb_page(obj, da); - - spin_unlock(&obj->page_table_lock); - - return bytes; -} -EXPORT_SYMBOL_GPL(iopgtable_clear_entry); - -static void iopgtable_clear_entry_all(struct iommu *obj) -{ - int i; - - spin_lock(&obj->page_table_lock); - - for (i = 0; i < PTRS_PER_IOPGD; i++) { - u32 da; - u32 *iopgd; - - da = i << IOPGD_SHIFT; - iopgd = iopgd_offset(obj, da); - - if (!*iopgd) - continue; - - if (iopgd_is_table(*iopgd)) - iopte_free(iopte_offset(iopgd, 0)); - - *iopgd = 0; - flush_iopgd_range(iopgd, iopgd); - } - - flush_iotlb_all(obj); - - spin_unlock(&obj->page_table_lock); -} - -/* - * Device IOMMU generic operations - */ -static irqreturn_t iommu_fault_handler(int irq, void *data) -{ - u32 stat, da; - u32 *iopgd, *iopte; - int err = -EIO; - struct iommu *obj = data; - - if (!obj->refcount) - return IRQ_NONE; - - /* Dynamic loading TLB or PTE */ - if (obj->isr) - err = obj->isr(obj); - - if (!err) - return IRQ_HANDLED; - - clk_enable(obj->clk); - stat = iommu_report_fault(obj, &da); - clk_disable(obj->clk); - if (!stat) - return IRQ_HANDLED; - - iommu_disable(obj); - - iopgd = iopgd_offset(obj, da); - - if (!iopgd_is_table(*iopgd)) { - dev_err(obj->dev, "%s: da:%08x pgd:%p *pgd:%08x\n", __func__, - da, iopgd, *iopgd); - return IRQ_NONE; - } - - iopte = iopte_offset(iopgd, da); - - dev_err(obj->dev, "%s: da:%08x pgd:%p *pgd:%08x pte:%p *pte:%08x\n", - __func__, da, iopgd, *iopgd, iopte, *iopte); - - return IRQ_NONE; -} - -static int device_match_by_alias(struct device *dev, void *data) -{ - struct iommu *obj = to_iommu(dev); - const char *name = data; - - pr_debug("%s: %s %s\n", __func__, obj->name, name); - - return strcmp(obj->name, name) == 0; -} - -/** - * iommu_set_da_range - Set a valid device address range - * @obj: target iommu - * @start Start of valid range - * @end End of valid range - **/ -int iommu_set_da_range(struct iommu *obj, u32 start, u32 end) -{ - - if (!obj) - return -EFAULT; - - if (end < start || !PAGE_ALIGN(start | end)) - return -EINVAL; - - obj->da_start = start; - obj->da_end = end; - - return 0; -} -EXPORT_SYMBOL_GPL(iommu_set_da_range); - -/** - * iommu_get - Get iommu handler - * @name: target iommu name - **/ -struct iommu *iommu_get(const char *name) -{ - int err = -ENOMEM; - struct device *dev; - struct iommu *obj; - - dev = driver_find_device(&omap_iommu_driver.driver, NULL, (void *)name, - device_match_by_alias); - if (!dev) - return ERR_PTR(-ENODEV); - - obj = to_iommu(dev); - - mutex_lock(&obj->iommu_lock); - - if (obj->refcount++ == 0) { - err = iommu_enable(obj); - if (err) - goto err_enable; - flush_iotlb_all(obj); - } - - if (!try_module_get(obj->owner)) - goto err_module; - - mutex_unlock(&obj->iommu_lock); - - dev_dbg(obj->dev, "%s: %s\n", __func__, obj->name); - return obj; - -err_module: - if (obj->refcount == 1) - iommu_disable(obj); -err_enable: - obj->refcount--; - mutex_unlock(&obj->iommu_lock); - return ERR_PTR(err); -} -EXPORT_SYMBOL_GPL(iommu_get); - -/** - * iommu_put - Put back iommu handler - * @obj: target iommu - **/ -void iommu_put(struct iommu *obj) -{ - if (!obj || IS_ERR(obj)) - return; - - mutex_lock(&obj->iommu_lock); - - if (--obj->refcount == 0) - iommu_disable(obj); - - module_put(obj->owner); - - mutex_unlock(&obj->iommu_lock); - - dev_dbg(obj->dev, "%s: %s\n", __func__, obj->name); -} -EXPORT_SYMBOL_GPL(iommu_put); - -/* - * OMAP Device MMU(IOMMU) detection - */ -static int __devinit omap_iommu_probe(struct platform_device *pdev) -{ - int err = -ENODEV; - void *p; - int irq; - struct iommu *obj; - struct resource *res; - struct iommu_platform_data *pdata = pdev->dev.platform_data; - - if (pdev->num_resources != 2) - return -EINVAL; - - obj = kzalloc(sizeof(*obj) + MMU_REG_SIZE, GFP_KERNEL); - if (!obj) - return -ENOMEM; - - obj->clk = clk_get(&pdev->dev, pdata->clk_name); - if (IS_ERR(obj->clk)) - goto err_clk; - - obj->nr_tlb_entries = pdata->nr_tlb_entries; - obj->name = pdata->name; - obj->dev = &pdev->dev; - obj->ctx = (void *)obj + sizeof(*obj); - obj->da_start = pdata->da_start; - obj->da_end = pdata->da_end; - - mutex_init(&obj->iommu_lock); - mutex_init(&obj->mmap_lock); - spin_lock_init(&obj->page_table_lock); - INIT_LIST_HEAD(&obj->mmap); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - err = -ENODEV; - goto err_mem; - } - obj->regbase = ioremap(res->start, resource_size(res)); - if (!obj->regbase) { - err = -ENOMEM; - goto err_mem; - } - - res = request_mem_region(res->start, resource_size(res), - dev_name(&pdev->dev)); - if (!res) { - err = -EIO; - goto err_mem; - } - - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - err = -ENODEV; - goto err_irq; - } - err = request_irq(irq, iommu_fault_handler, IRQF_SHARED, - dev_name(&pdev->dev), obj); - if (err < 0) - goto err_irq; - platform_set_drvdata(pdev, obj); - - p = (void *)__get_free_pages(GFP_KERNEL, get_order(IOPGD_TABLE_SIZE)); - if (!p) { - err = -ENOMEM; - goto err_pgd; - } - memset(p, 0, IOPGD_TABLE_SIZE); - clean_dcache_area(p, IOPGD_TABLE_SIZE); - obj->iopgd = p; - - BUG_ON(!IS_ALIGNED((unsigned long)obj->iopgd, IOPGD_TABLE_SIZE)); - - dev_info(&pdev->dev, "%s registered\n", obj->name); - return 0; - -err_pgd: - free_irq(irq, obj); -err_irq: - release_mem_region(res->start, resource_size(res)); - iounmap(obj->regbase); -err_mem: - clk_put(obj->clk); -err_clk: - kfree(obj); - return err; -} - -static int __devexit omap_iommu_remove(struct platform_device *pdev) -{ - int irq; - struct resource *res; - struct iommu *obj = platform_get_drvdata(pdev); - - platform_set_drvdata(pdev, NULL); - - iopgtable_clear_entry_all(obj); - free_pages((unsigned long)obj->iopgd, get_order(IOPGD_TABLE_SIZE)); - - irq = platform_get_irq(pdev, 0); - free_irq(irq, obj); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, resource_size(res)); - iounmap(obj->regbase); - - clk_put(obj->clk); - dev_info(&pdev->dev, "%s removed\n", obj->name); - kfree(obj); - return 0; -} - -static struct platform_driver omap_iommu_driver = { - .probe = omap_iommu_probe, - .remove = __devexit_p(omap_iommu_remove), - .driver = { - .name = "omap-iommu", - }, -}; - -static void iopte_cachep_ctor(void *iopte) -{ - clean_dcache_area(iopte, IOPTE_TABLE_SIZE); -} - -static int __init omap_iommu_init(void) -{ - struct kmem_cache *p; - const unsigned long flags = SLAB_HWCACHE_ALIGN; - size_t align = 1 << 10; /* L2 pagetable alignement */ - - p = kmem_cache_create("iopte_cache", IOPTE_TABLE_SIZE, align, flags, - iopte_cachep_ctor); - if (!p) - return -ENOMEM; - iopte_cachep = p; - - return platform_driver_register(&omap_iommu_driver); -} -module_init(omap_iommu_init); - -static void __exit omap_iommu_exit(void) -{ - kmem_cache_destroy(iopte_cachep); - - platform_driver_unregister(&omap_iommu_driver); -} -module_exit(omap_iommu_exit); - -MODULE_DESCRIPTION("omap iommu: tlb and pagetable primitives"); -MODULE_ALIAS("platform:omap-iommu"); -MODULE_AUTHOR("Hiroshi DOYU, Paul Mundt and Toshihiro Kobayashi"); -MODULE_LICENSE("GPL v2"); diff --git a/arch/arm/plat-omap/iopgtable.h b/arch/arm/plat-omap/iopgtable.h deleted file mode 100644 index c3e93bb0911..00000000000 --- a/arch/arm/plat-omap/iopgtable.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * omap iommu: pagetable definitions - * - * Copyright (C) 2008-2010 Nokia Corporation - * - * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __PLAT_OMAP_IOMMU_H -#define __PLAT_OMAP_IOMMU_H - -/* - * "L2 table" address mask and size definitions. - */ -#define IOPGD_SHIFT 20 -#define IOPGD_SIZE (1UL << IOPGD_SHIFT) -#define IOPGD_MASK (~(IOPGD_SIZE - 1)) - -/* - * "section" address mask and size definitions. - */ -#define IOSECTION_SHIFT 20 -#define IOSECTION_SIZE (1UL << IOSECTION_SHIFT) -#define IOSECTION_MASK (~(IOSECTION_SIZE - 1)) - -/* - * "supersection" address mask and size definitions. - */ -#define IOSUPER_SHIFT 24 -#define IOSUPER_SIZE (1UL << IOSUPER_SHIFT) -#define IOSUPER_MASK (~(IOSUPER_SIZE - 1)) - -#define PTRS_PER_IOPGD (1UL << (32 - IOPGD_SHIFT)) -#define IOPGD_TABLE_SIZE (PTRS_PER_IOPGD * sizeof(u32)) - -/* - * "small page" address mask and size definitions. - */ -#define IOPTE_SHIFT 12 -#define IOPTE_SIZE (1UL << IOPTE_SHIFT) -#define IOPTE_MASK (~(IOPTE_SIZE - 1)) - -/* - * "large page" address mask and size definitions. - */ -#define IOLARGE_SHIFT 16 -#define IOLARGE_SIZE (1UL << IOLARGE_SHIFT) -#define IOLARGE_MASK (~(IOLARGE_SIZE - 1)) - -#define PTRS_PER_IOPTE (1UL << (IOPGD_SHIFT - IOPTE_SHIFT)) -#define IOPTE_TABLE_SIZE (PTRS_PER_IOPTE * sizeof(u32)) - -#define IOPAGE_MASK IOPTE_MASK - -/* - * some descriptor attributes. - */ -#define IOPGD_TABLE (1 << 0) -#define IOPGD_SECTION (2 << 0) -#define IOPGD_SUPER (1 << 18 | 2 << 0) - -#define iopgd_is_table(x) (((x) & 3) == IOPGD_TABLE) - -#define IOPTE_SMALL (2 << 0) -#define IOPTE_LARGE (1 << 0) - -/* to find an entry in a page-table-directory */ -#define iopgd_index(da) (((da) >> IOPGD_SHIFT) & (PTRS_PER_IOPGD - 1)) -#define iopgd_offset(obj, da) ((obj)->iopgd + iopgd_index(da)) - -#define iopgd_page_paddr(iopgd) (*iopgd & ~((1 << 10) - 1)) -#define iopgd_page_vaddr(iopgd) ((u32 *)phys_to_virt(iopgd_page_paddr(iopgd))) - -/* to find an entry in the second-level page table. */ -#define iopte_index(da) (((da) >> IOPTE_SHIFT) & (PTRS_PER_IOPTE - 1)) -#define iopte_offset(iopgd, da) (iopgd_page_vaddr(iopgd) + iopte_index(da)) - -static inline u32 iotlb_init_entry(struct iotlb_entry *e, u32 da, u32 pa, - u32 flags) -{ - memset(e, 0, sizeof(*e)); - - e->da = da; - e->pa = pa; - e->valid = 1; - /* FIXME: add OMAP1 support */ - e->pgsz = flags & MMU_CAM_PGSZ_MASK; - e->endian = flags & MMU_RAM_ENDIAN_MASK; - e->elsz = flags & MMU_RAM_ELSZ_MASK; - e->mixed = flags & MMU_RAM_MIXED_MASK; - - return iopgsz_to_bytes(e->pgsz); -} - -#define to_iommu(dev) \ - (struct iommu *)platform_get_drvdata(to_platform_device(dev)) - -#endif /* __PLAT_OMAP_IOMMU_H */ diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c deleted file mode 100644 index 6dc1296c8c7..00000000000 --- a/arch/arm/plat-omap/iovmm.c +++ /dev/null @@ -1,914 +0,0 @@ -/* - * omap iommu: simple virtual address space management - * - * Copyright (C) 2008-2009 Nokia Corporation - * - * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/err.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/device.h> -#include <linux/scatterlist.h> - -#include <asm/cacheflush.h> -#include <asm/mach/map.h> - -#include <plat/iommu.h> -#include <plat/iovmm.h> - -#include "iopgtable.h" - -/* - * A device driver needs to create address mappings between: - * - * - iommu/device address - * - physical address - * - mpu virtual address - * - * There are 4 possible patterns for them: - * - * |iova/ mapping iommu_ page - * | da pa va (d)-(p)-(v) function type - * --------------------------------------------------------------------------- - * 1 | c c c 1 - 1 - 1 _kmap() / _kunmap() s - * 2 | c c,a c 1 - 1 - 1 _kmalloc()/ _kfree() s - * 3 | c d c 1 - n - 1 _vmap() / _vunmap() s - * 4 | c d,a c 1 - n - 1 _vmalloc()/ _vfree() n* - * - * - * 'iova': device iommu virtual address - * 'da': alias of 'iova' - * 'pa': physical address - * 'va': mpu virtual address - * - * 'c': contiguous memory area - * 'd': discontiguous memory area - * 'a': anonymous memory allocation - * '()': optional feature - * - * 'n': a normal page(4KB) size is used. - * 's': multiple iommu superpage(16MB, 1MB, 64KB, 4KB) size is used. - * - * '*': not yet, but feasible. - */ - -static struct kmem_cache *iovm_area_cachep; - -/* return total bytes of sg buffers */ -static size_t sgtable_len(const struct sg_table *sgt) -{ - unsigned int i, total = 0; - struct scatterlist *sg; - - if (!sgt) - return 0; - - for_each_sg(sgt->sgl, sg, sgt->nents, i) { - size_t bytes; - - bytes = sg_dma_len(sg); - - if (!iopgsz_ok(bytes)) { - pr_err("%s: sg[%d] not iommu pagesize(%x)\n", - __func__, i, bytes); - return 0; - } - - total += bytes; - } - - return total; -} -#define sgtable_ok(x) (!!sgtable_len(x)) - -static unsigned max_alignment(u32 addr) -{ - int i; - unsigned pagesize[] = { SZ_16M, SZ_1M, SZ_64K, SZ_4K, }; - for (i = 0; i < ARRAY_SIZE(pagesize) && addr & (pagesize[i] - 1); i++) - ; - return (i < ARRAY_SIZE(pagesize)) ? pagesize[i] : 0; -} - -/* - * calculate the optimal number sg elements from total bytes based on - * iommu superpages - */ -static unsigned sgtable_nents(size_t bytes, u32 da, u32 pa) -{ - unsigned nr_entries = 0, ent_sz; - - if (!IS_ALIGNED(bytes, PAGE_SIZE)) { - pr_err("%s: wrong size %08x\n", __func__, bytes); - return 0; - } - - while (bytes) { - ent_sz = max_alignment(da | pa); - ent_sz = min_t(unsigned, ent_sz, iopgsz_max(bytes)); - nr_entries++; - da += ent_sz; - pa += ent_sz; - bytes -= ent_sz; - } - - return nr_entries; -} - -/* allocate and initialize sg_table header(a kind of 'superblock') */ -static struct sg_table *sgtable_alloc(const size_t bytes, u32 flags, - u32 da, u32 pa) -{ - unsigned int nr_entries; - int err; - struct sg_table *sgt; - - if (!bytes) - return ERR_PTR(-EINVAL); - - if (!IS_ALIGNED(bytes, PAGE_SIZE)) - return ERR_PTR(-EINVAL); - - if (flags & IOVMF_LINEAR) { - nr_entries = sgtable_nents(bytes, da, pa); - if (!nr_entries) - return ERR_PTR(-EINVAL); - } else - nr_entries = bytes / PAGE_SIZE; - - sgt = kzalloc(sizeof(*sgt), GFP_KERNEL); - if (!sgt) - return ERR_PTR(-ENOMEM); - - err = sg_alloc_table(sgt, nr_entries, GFP_KERNEL); - if (err) { - kfree(sgt); - return ERR_PTR(err); - } - - pr_debug("%s: sgt:%p(%d entries)\n", __func__, sgt, nr_entries); - - return sgt; -} - -/* free sg_table header(a kind of superblock) */ -static void sgtable_free(struct sg_table *sgt) -{ - if (!sgt) - return; - - sg_free_table(sgt); - kfree(sgt); - - pr_debug("%s: sgt:%p\n", __func__, sgt); -} - -/* map 'sglist' to a contiguous mpu virtual area and return 'va' */ -static void *vmap_sg(const struct sg_table *sgt) -{ - u32 va; - size_t total; - unsigned int i; - struct scatterlist *sg; - struct vm_struct *new; - const struct mem_type *mtype; - - mtype = get_mem_type(MT_DEVICE); - if (!mtype) - return ERR_PTR(-EINVAL); - - total = sgtable_len(sgt); - if (!total) - return ERR_PTR(-EINVAL); - - new = __get_vm_area(total, VM_IOREMAP, VMALLOC_START, VMALLOC_END); - if (!new) - return ERR_PTR(-ENOMEM); - va = (u32)new->addr; - - for_each_sg(sgt->sgl, sg, sgt->nents, i) { - size_t bytes; - u32 pa; - int err; - - pa = sg_phys(sg); - bytes = sg_dma_len(sg); - - BUG_ON(bytes != PAGE_SIZE); - - err = ioremap_page(va, pa, mtype); - if (err) - goto err_out; - - va += bytes; - } - - flush_cache_vmap((unsigned long)new->addr, - (unsigned long)(new->addr + total)); - return new->addr; - -err_out: - WARN_ON(1); /* FIXME: cleanup some mpu mappings */ - vunmap(new->addr); - return ERR_PTR(-EAGAIN); -} - -static inline void vunmap_sg(const void *va) -{ - vunmap(va); -} - -static struct iovm_struct *__find_iovm_area(struct iommu *obj, const u32 da) -{ - struct iovm_struct *tmp; - - list_for_each_entry(tmp, &obj->mmap, list) { - if ((da >= tmp->da_start) && (da < tmp->da_end)) { - size_t len; - - len = tmp->da_end - tmp->da_start; - - dev_dbg(obj->dev, "%s: %08x-%08x-%08x(%x) %08x\n", - __func__, tmp->da_start, da, tmp->da_end, len, - tmp->flags); - - return tmp; - } - } - - return NULL; -} - -/** - * find_iovm_area - find iovma which includes @da - * @da: iommu device virtual address - * - * Find the existing iovma starting at @da - */ -struct iovm_struct *find_iovm_area(struct iommu *obj, u32 da) -{ - struct iovm_struct *area; - - mutex_lock(&obj->mmap_lock); - area = __find_iovm_area(obj, da); - mutex_unlock(&obj->mmap_lock); - - return area; -} -EXPORT_SYMBOL_GPL(find_iovm_area); - -/* - * This finds the hole(area) which fits the requested address and len - * in iovmas mmap, and returns the new allocated iovma. - */ -static struct iovm_struct *alloc_iovm_area(struct iommu *obj, u32 da, - size_t bytes, u32 flags) -{ - struct iovm_struct *new, *tmp; - u32 start, prev_end, alignement; - - if (!obj || !bytes) - return ERR_PTR(-EINVAL); - - start = da; - alignement = PAGE_SIZE; - - if (flags & IOVMF_DA_ANON) { - start = obj->da_start; - - if (flags & IOVMF_LINEAR) - alignement = iopgsz_max(bytes); - start = roundup(start, alignement); - } else if (start < obj->da_start || start > obj->da_end || - obj->da_end - start < bytes) { - return ERR_PTR(-EINVAL); - } - - tmp = NULL; - if (list_empty(&obj->mmap)) - goto found; - - prev_end = 0; - list_for_each_entry(tmp, &obj->mmap, list) { - - if (prev_end > start) - break; - - if (tmp->da_start > start && (tmp->da_start - start) >= bytes) - goto found; - - if (tmp->da_end >= start && flags & IOVMF_DA_ANON) - start = roundup(tmp->da_end + 1, alignement); - - prev_end = tmp->da_end; - } - - if ((start >= prev_end) && (obj->da_end - start >= bytes)) - goto found; - - dev_dbg(obj->dev, "%s: no space to fit %08x(%x) flags: %08x\n", - __func__, da, bytes, flags); - - return ERR_PTR(-EINVAL); - -found: - new = kmem_cache_zalloc(iovm_area_cachep, GFP_KERNEL); - if (!new) - return ERR_PTR(-ENOMEM); - - new->iommu = obj; - new->da_start = start; - new->da_end = start + bytes; - new->flags = flags; - - /* - * keep ascending order of iovmas - */ - if (tmp) - list_add_tail(&new->list, &tmp->list); - else - list_add(&new->list, &obj->mmap); - - dev_dbg(obj->dev, "%s: found %08x-%08x-%08x(%x) %08x\n", - __func__, new->da_start, start, new->da_end, bytes, flags); - - return new; -} - -static void free_iovm_area(struct iommu *obj, struct iovm_struct *area) -{ - size_t bytes; - - BUG_ON(!obj || !area); - - bytes = area->da_end - area->da_start; - - dev_dbg(obj->dev, "%s: %08x-%08x(%x) %08x\n", - __func__, area->da_start, area->da_end, bytes, area->flags); - - list_del(&area->list); - kmem_cache_free(iovm_area_cachep, area); -} - -/** - * da_to_va - convert (d) to (v) - * @obj: objective iommu - * @da: iommu device virtual address - * @va: mpu virtual address - * - * Returns mpu virtual addr which corresponds to a given device virtual addr - */ -void *da_to_va(struct iommu *obj, u32 da) -{ - void *va = NULL; - struct iovm_struct *area; - - mutex_lock(&obj->mmap_lock); - - area = __find_iovm_area(obj, da); - if (!area) { - dev_dbg(obj->dev, "%s: no da area(%08x)\n", __func__, da); - goto out; - } - va = area->va; -out: - mutex_unlock(&obj->mmap_lock); - - return va; -} -EXPORT_SYMBOL_GPL(da_to_va); - -static void sgtable_fill_vmalloc(struct sg_table *sgt, void *_va) -{ - unsigned int i; - struct scatterlist *sg; - void *va = _va; - void *va_end; - - for_each_sg(sgt->sgl, sg, sgt->nents, i) { - struct page *pg; - const size_t bytes = PAGE_SIZE; - - /* - * iommu 'superpage' isn't supported with 'iommu_vmalloc()' - */ - pg = vmalloc_to_page(va); - BUG_ON(!pg); - sg_set_page(sg, pg, bytes, 0); - - va += bytes; - } - - va_end = _va + PAGE_SIZE * i; -} - -static inline void sgtable_drain_vmalloc(struct sg_table *sgt) -{ - /* - * Actually this is not necessary at all, just exists for - * consistency of the code readability. - */ - BUG_ON(!sgt); -} - -static void sgtable_fill_kmalloc(struct sg_table *sgt, u32 pa, u32 da, - size_t len) -{ - unsigned int i; - struct scatterlist *sg; - void *va; - - va = phys_to_virt(pa); - - for_each_sg(sgt->sgl, sg, sgt->nents, i) { - unsigned bytes; - - bytes = max_alignment(da | pa); - bytes = min_t(unsigned, bytes, iopgsz_max(len)); - - BUG_ON(!iopgsz_ok(bytes)); - - sg_set_buf(sg, phys_to_virt(pa), bytes); - /* - * 'pa' is cotinuous(linear). - */ - pa += bytes; - da += bytes; - len -= bytes; - } - BUG_ON(len); -} - -static inline void sgtable_drain_kmalloc(struct sg_table *sgt) -{ - /* - * Actually this is not necessary at all, just exists for - * consistency of the code readability - */ - BUG_ON(!sgt); -} - -/* create 'da' <-> 'pa' mapping from 'sgt' */ -static int map_iovm_area(struct iommu *obj, struct iovm_struct *new, - const struct sg_table *sgt, u32 flags) -{ - int err; - unsigned int i, j; - struct scatterlist *sg; - u32 da = new->da_start; - - if (!obj || !sgt) - return -EINVAL; - - BUG_ON(!sgtable_ok(sgt)); - - for_each_sg(sgt->sgl, sg, sgt->nents, i) { - u32 pa; - int pgsz; - size_t bytes; - struct iotlb_entry e; - - pa = sg_phys(sg); - bytes = sg_dma_len(sg); - - flags &= ~IOVMF_PGSZ_MASK; - pgsz = bytes_to_iopgsz(bytes); - if (pgsz < 0) - goto err_out; - flags |= pgsz; - - pr_debug("%s: [%d] %08x %08x(%x)\n", __func__, - i, da, pa, bytes); - - iotlb_init_entry(&e, da, pa, flags); - err = iopgtable_store_entry(obj, &e); - if (err) - goto err_out; - - da += bytes; - } - return 0; - -err_out: - da = new->da_start; - - for_each_sg(sgt->sgl, sg, i, j) { - size_t bytes; - - bytes = iopgtable_clear_entry(obj, da); - - BUG_ON(!iopgsz_ok(bytes)); - - da += bytes; - } - return err; -} - -/* release 'da' <-> 'pa' mapping */ -static void unmap_iovm_area(struct iommu *obj, struct iovm_struct *area) -{ - u32 start; - size_t total = area->da_end - area->da_start; - - BUG_ON((!total) || !IS_ALIGNED(total, PAGE_SIZE)); - - start = area->da_start; - while (total > 0) { - size_t bytes; - - bytes = iopgtable_clear_entry(obj, start); - if (bytes == 0) - bytes = PAGE_SIZE; - else - dev_dbg(obj->dev, "%s: unmap %08x(%x) %08x\n", - __func__, start, bytes, area->flags); - - BUG_ON(!IS_ALIGNED(bytes, PAGE_SIZE)); - - total -= bytes; - start += bytes; - } - BUG_ON(total); -} - -/* template function for all unmapping */ -static struct sg_table *unmap_vm_area(struct iommu *obj, const u32 da, - void (*fn)(const void *), u32 flags) -{ - struct sg_table *sgt = NULL; - struct iovm_struct *area; - - if (!IS_ALIGNED(da, PAGE_SIZE)) { - dev_err(obj->dev, "%s: alignment err(%08x)\n", __func__, da); - return NULL; - } - - mutex_lock(&obj->mmap_lock); - - area = __find_iovm_area(obj, da); - if (!area) { - dev_dbg(obj->dev, "%s: no da area(%08x)\n", __func__, da); - goto out; - } - - if ((area->flags & flags) != flags) { - dev_err(obj->dev, "%s: wrong flags(%08x)\n", __func__, - area->flags); - goto out; - } - sgt = (struct sg_table *)area->sgt; - - unmap_iovm_area(obj, area); - - fn(area->va); - - dev_dbg(obj->dev, "%s: %08x-%08x-%08x(%x) %08x\n", __func__, - area->da_start, da, area->da_end, - area->da_end - area->da_start, area->flags); - - free_iovm_area(obj, area); -out: - mutex_unlock(&obj->mmap_lock); - - return sgt; -} - -static u32 map_iommu_region(struct iommu *obj, u32 da, - const struct sg_table *sgt, void *va, size_t bytes, u32 flags) -{ - int err = -ENOMEM; - struct iovm_struct *new; - - mutex_lock(&obj->mmap_lock); - - new = alloc_iovm_area(obj, da, bytes, flags); - if (IS_ERR(new)) { - err = PTR_ERR(new); - goto err_alloc_iovma; - } - new->va = va; - new->sgt = sgt; - - if (map_iovm_area(obj, new, sgt, new->flags)) - goto err_map; - - mutex_unlock(&obj->mmap_lock); - - dev_dbg(obj->dev, "%s: da:%08x(%x) flags:%08x va:%p\n", - __func__, new->da_start, bytes, new->flags, va); - - return new->da_start; - -err_map: - free_iovm_area(obj, new); -err_alloc_iovma: - mutex_unlock(&obj->mmap_lock); - return err; -} - -static inline u32 __iommu_vmap(struct iommu *obj, u32 da, - const struct sg_table *sgt, void *va, size_t bytes, u32 flags) -{ - return map_iommu_region(obj, da, sgt, va, bytes, flags); -} - -/** - * iommu_vmap - (d)-(p)-(v) address mapper - * @obj: objective iommu - * @sgt: address of scatter gather table - * @flags: iovma and page property - * - * Creates 1-n-1 mapping with given @sgt and returns @da. - * All @sgt element must be io page size aligned. - */ -u32 iommu_vmap(struct iommu *obj, u32 da, const struct sg_table *sgt, - u32 flags) -{ - size_t bytes; - void *va = NULL; - - if (!obj || !obj->dev || !sgt) - return -EINVAL; - - bytes = sgtable_len(sgt); - if (!bytes) - return -EINVAL; - bytes = PAGE_ALIGN(bytes); - - if (flags & IOVMF_MMIO) { - va = vmap_sg(sgt); - if (IS_ERR(va)) - return PTR_ERR(va); - } - - flags &= IOVMF_HW_MASK; - flags |= IOVMF_DISCONT; - flags |= IOVMF_MMIO; - flags |= (da ? IOVMF_DA_FIXED : IOVMF_DA_ANON); - - da = __iommu_vmap(obj, da, sgt, va, bytes, flags); - if (IS_ERR_VALUE(da)) - vunmap_sg(va); - - return da; -} -EXPORT_SYMBOL_GPL(iommu_vmap); - -/** - * iommu_vunmap - release virtual mapping obtained by 'iommu_vmap()' - * @obj: objective iommu - * @da: iommu device virtual address - * - * Free the iommu virtually contiguous memory area starting at - * @da, which was returned by 'iommu_vmap()'. - */ -struct sg_table *iommu_vunmap(struct iommu *obj, u32 da) -{ - struct sg_table *sgt; - /* - * 'sgt' is allocated before 'iommu_vmalloc()' is called. - * Just returns 'sgt' to the caller to free - */ - sgt = unmap_vm_area(obj, da, vunmap_sg, IOVMF_DISCONT | IOVMF_MMIO); - if (!sgt) - dev_dbg(obj->dev, "%s: No sgt\n", __func__); - return sgt; -} -EXPORT_SYMBOL_GPL(iommu_vunmap); - -/** - * iommu_vmalloc - (d)-(p)-(v) address allocator and mapper - * @obj: objective iommu - * @da: contiguous iommu virtual memory - * @bytes: allocation size - * @flags: iovma and page property - * - * Allocate @bytes linearly and creates 1-n-1 mapping and returns - * @da again, which might be adjusted if 'IOVMF_DA_ANON' is set. - */ -u32 iommu_vmalloc(struct iommu *obj, u32 da, size_t bytes, u32 flags) -{ - void *va; - struct sg_table *sgt; - - if (!obj || !obj->dev || !bytes) - return -EINVAL; - - bytes = PAGE_ALIGN(bytes); - - va = vmalloc(bytes); - if (!va) - return -ENOMEM; - - flags &= IOVMF_HW_MASK; - flags |= IOVMF_DISCONT; - flags |= IOVMF_ALLOC; - flags |= (da ? IOVMF_DA_FIXED : IOVMF_DA_ANON); - - sgt = sgtable_alloc(bytes, flags, da, 0); - if (IS_ERR(sgt)) { - da = PTR_ERR(sgt); - goto err_sgt_alloc; - } - sgtable_fill_vmalloc(sgt, va); - - da = __iommu_vmap(obj, da, sgt, va, bytes, flags); - if (IS_ERR_VALUE(da)) - goto err_iommu_vmap; - - return da; - -err_iommu_vmap: - sgtable_drain_vmalloc(sgt); - sgtable_free(sgt); -err_sgt_alloc: - vfree(va); - return da; -} -EXPORT_SYMBOL_GPL(iommu_vmalloc); - -/** - * iommu_vfree - release memory allocated by 'iommu_vmalloc()' - * @obj: objective iommu - * @da: iommu device virtual address - * - * Frees the iommu virtually continuous memory area starting at - * @da, as obtained from 'iommu_vmalloc()'. - */ -void iommu_vfree(struct iommu *obj, const u32 da) -{ - struct sg_table *sgt; - - sgt = unmap_vm_area(obj, da, vfree, IOVMF_DISCONT | IOVMF_ALLOC); - if (!sgt) - dev_dbg(obj->dev, "%s: No sgt\n", __func__); - sgtable_free(sgt); -} -EXPORT_SYMBOL_GPL(iommu_vfree); - -static u32 __iommu_kmap(struct iommu *obj, u32 da, u32 pa, void *va, - size_t bytes, u32 flags) -{ - struct sg_table *sgt; - - sgt = sgtable_alloc(bytes, flags, da, pa); - if (IS_ERR(sgt)) - return PTR_ERR(sgt); - - sgtable_fill_kmalloc(sgt, pa, da, bytes); - - da = map_iommu_region(obj, da, sgt, va, bytes, flags); - if (IS_ERR_VALUE(da)) { - sgtable_drain_kmalloc(sgt); - sgtable_free(sgt); - } - - return da; -} - -/** - * iommu_kmap - (d)-(p)-(v) address mapper - * @obj: objective iommu - * @da: contiguous iommu virtual memory - * @pa: contiguous physical memory - * @flags: iovma and page property - * - * Creates 1-1-1 mapping and returns @da again, which can be - * adjusted if 'IOVMF_DA_ANON' is set. - */ -u32 iommu_kmap(struct iommu *obj, u32 da, u32 pa, size_t bytes, - u32 flags) -{ - void *va; - - if (!obj || !obj->dev || !bytes) - return -EINVAL; - - bytes = PAGE_ALIGN(bytes); - - va = ioremap(pa, bytes); - if (!va) - return -ENOMEM; - - flags &= IOVMF_HW_MASK; - flags |= IOVMF_LINEAR; - flags |= IOVMF_MMIO; - flags |= (da ? IOVMF_DA_FIXED : IOVMF_DA_ANON); - - da = __iommu_kmap(obj, da, pa, va, bytes, flags); - if (IS_ERR_VALUE(da)) - iounmap(va); - - return da; -} -EXPORT_SYMBOL_GPL(iommu_kmap); - -/** - * iommu_kunmap - release virtual mapping obtained by 'iommu_kmap()' - * @obj: objective iommu - * @da: iommu device virtual address - * - * Frees the iommu virtually contiguous memory area starting at - * @da, which was passed to and was returned by'iommu_kmap()'. - */ -void iommu_kunmap(struct iommu *obj, u32 da) -{ - struct sg_table *sgt; - typedef void (*func_t)(const void *); - - sgt = unmap_vm_area(obj, da, (func_t)iounmap, - IOVMF_LINEAR | IOVMF_MMIO); - if (!sgt) - dev_dbg(obj->dev, "%s: No sgt\n", __func__); - sgtable_free(sgt); -} -EXPORT_SYMBOL_GPL(iommu_kunmap); - -/** - * iommu_kmalloc - (d)-(p)-(v) address allocator and mapper - * @obj: objective iommu - * @da: contiguous iommu virtual memory - * @bytes: bytes for allocation - * @flags: iovma and page property - * - * Allocate @bytes linearly and creates 1-1-1 mapping and returns - * @da again, which might be adjusted if 'IOVMF_DA_ANON' is set. - */ -u32 iommu_kmalloc(struct iommu *obj, u32 da, size_t bytes, u32 flags) -{ - void *va; - u32 pa; - - if (!obj || !obj->dev || !bytes) - return -EINVAL; - - bytes = PAGE_ALIGN(bytes); - - va = kmalloc(bytes, GFP_KERNEL | GFP_DMA); - if (!va) - return -ENOMEM; - pa = virt_to_phys(va); - - flags &= IOVMF_HW_MASK; - flags |= IOVMF_LINEAR; - flags |= IOVMF_ALLOC; - flags |= (da ? IOVMF_DA_FIXED : IOVMF_DA_ANON); - - da = __iommu_kmap(obj, da, pa, va, bytes, flags); - if (IS_ERR_VALUE(da)) - kfree(va); - - return da; -} -EXPORT_SYMBOL_GPL(iommu_kmalloc); - -/** - * iommu_kfree - release virtual mapping obtained by 'iommu_kmalloc()' - * @obj: objective iommu - * @da: iommu device virtual address - * - * Frees the iommu virtually contiguous memory area starting at - * @da, which was passed to and was returned by'iommu_kmalloc()'. - */ -void iommu_kfree(struct iommu *obj, u32 da) -{ - struct sg_table *sgt; - - sgt = unmap_vm_area(obj, da, kfree, IOVMF_LINEAR | IOVMF_ALLOC); - if (!sgt) - dev_dbg(obj->dev, "%s: No sgt\n", __func__); - sgtable_free(sgt); -} -EXPORT_SYMBOL_GPL(iommu_kfree); - - -static int __init iovmm_init(void) -{ - const unsigned long flags = SLAB_HWCACHE_ALIGN; - struct kmem_cache *p; - - p = kmem_cache_create("iovm_area_cache", sizeof(struct iovm_struct), 0, - flags, NULL); - if (!p) - return -ENOMEM; - iovm_area_cachep = p; - - return 0; -} -module_init(iovmm_init); - -static void __exit iovmm_exit(void) -{ - kmem_cache_destroy(iovm_area_cachep); -} -module_exit(iovmm_exit); - -MODULE_DESCRIPTION("omap iommu: simple virtual address space management"); -MODULE_AUTHOR("Hiroshi DOYU <Hiroshi.DOYU@nokia.com>"); -MODULE_LICENSE("GPL v2"); diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c deleted file mode 100644 index 49d3208793e..00000000000 --- a/arch/arm/plat-omap/mailbox.c +++ /dev/null @@ -1,435 +0,0 @@ -/* - * OMAP mailbox driver - * - * Copyright (C) 2006-2009 Nokia Corporation. All rights reserved. - * - * Contact: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/interrupt.h> -#include <linux/spinlock.h> -#include <linux/mutex.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <linux/kfifo.h> -#include <linux/err.h> -#include <linux/notifier.h> - -#include <plat/mailbox.h> - -static struct workqueue_struct *mboxd; -static struct omap_mbox **mboxes; - -static int mbox_configured; -static DEFINE_MUTEX(mbox_configured_lock); - -static unsigned int mbox_kfifo_size = CONFIG_OMAP_MBOX_KFIFO_SIZE; -module_param(mbox_kfifo_size, uint, S_IRUGO); -MODULE_PARM_DESC(mbox_kfifo_size, "Size of omap's mailbox kfifo (bytes)"); - -/* Mailbox FIFO handle functions */ -static inline mbox_msg_t mbox_fifo_read(struct omap_mbox *mbox) -{ - return mbox->ops->fifo_read(mbox); -} -static inline void mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg) -{ - mbox->ops->fifo_write(mbox, msg); -} -static inline int mbox_fifo_empty(struct omap_mbox *mbox) -{ - return mbox->ops->fifo_empty(mbox); -} -static inline int mbox_fifo_full(struct omap_mbox *mbox) -{ - return mbox->ops->fifo_full(mbox); -} - -/* Mailbox IRQ handle functions */ -static inline void ack_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq) -{ - if (mbox->ops->ack_irq) - mbox->ops->ack_irq(mbox, irq); -} -static inline int is_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq) -{ - return mbox->ops->is_irq(mbox, irq); -} - -/* - * message sender - */ -static int __mbox_poll_for_space(struct omap_mbox *mbox) -{ - int ret = 0, i = 1000; - - while (mbox_fifo_full(mbox)) { - if (mbox->ops->type == OMAP_MBOX_TYPE2) - return -1; - if (--i == 0) - return -1; - udelay(1); - } - return ret; -} - -int omap_mbox_msg_send(struct omap_mbox *mbox, mbox_msg_t msg) -{ - struct omap_mbox_queue *mq = mbox->txq; - int ret = 0, len; - - spin_lock_bh(&mq->lock); - - if (kfifo_avail(&mq->fifo) < sizeof(msg)) { - ret = -ENOMEM; - goto out; - } - - if (kfifo_is_empty(&mq->fifo) && !__mbox_poll_for_space(mbox)) { - mbox_fifo_write(mbox, msg); - goto out; - } - - len = kfifo_in(&mq->fifo, (unsigned char *)&msg, sizeof(msg)); - WARN_ON(len != sizeof(msg)); - - tasklet_schedule(&mbox->txq->tasklet); - -out: - spin_unlock_bh(&mq->lock); - return ret; -} -EXPORT_SYMBOL(omap_mbox_msg_send); - -static void mbox_tx_tasklet(unsigned long tx_data) -{ - struct omap_mbox *mbox = (struct omap_mbox *)tx_data; - struct omap_mbox_queue *mq = mbox->txq; - mbox_msg_t msg; - int ret; - - while (kfifo_len(&mq->fifo)) { - if (__mbox_poll_for_space(mbox)) { - omap_mbox_enable_irq(mbox, IRQ_TX); - break; - } - - ret = kfifo_out(&mq->fifo, (unsigned char *)&msg, - sizeof(msg)); - WARN_ON(ret != sizeof(msg)); - - mbox_fifo_write(mbox, msg); - } -} - -/* - * Message receiver(workqueue) - */ -static void mbox_rx_work(struct work_struct *work) -{ - struct omap_mbox_queue *mq = - container_of(work, struct omap_mbox_queue, work); - mbox_msg_t msg; - int len; - - while (kfifo_len(&mq->fifo) >= sizeof(msg)) { - len = kfifo_out(&mq->fifo, (unsigned char *)&msg, sizeof(msg)); - WARN_ON(len != sizeof(msg)); - - blocking_notifier_call_chain(&mq->mbox->notifier, len, - (void *)msg); - spin_lock_irq(&mq->lock); - if (mq->full) { - mq->full = false; - omap_mbox_enable_irq(mq->mbox, IRQ_RX); - } - spin_unlock_irq(&mq->lock); - } -} - -/* - * Mailbox interrupt handler - */ -static void __mbox_tx_interrupt(struct omap_mbox *mbox) -{ - omap_mbox_disable_irq(mbox, IRQ_TX); - ack_mbox_irq(mbox, IRQ_TX); - tasklet_schedule(&mbox->txq->tasklet); -} - -static void __mbox_rx_interrupt(struct omap_mbox *mbox) -{ - struct omap_mbox_queue *mq = mbox->rxq; - mbox_msg_t msg; - int len; - - while (!mbox_fifo_empty(mbox)) { - if (unlikely(kfifo_avail(&mq->fifo) < sizeof(msg))) { - omap_mbox_disable_irq(mbox, IRQ_RX); - mq->full = true; - goto nomem; - } - - msg = mbox_fifo_read(mbox); - - len = kfifo_in(&mq->fifo, (unsigned char *)&msg, sizeof(msg)); - WARN_ON(len != sizeof(msg)); - - if (mbox->ops->type == OMAP_MBOX_TYPE1) - break; - } - - /* no more messages in the fifo. clear IRQ source. */ - ack_mbox_irq(mbox, IRQ_RX); -nomem: - queue_work(mboxd, &mbox->rxq->work); -} - -static irqreturn_t mbox_interrupt(int irq, void *p) -{ - struct omap_mbox *mbox = p; - - if (is_mbox_irq(mbox, IRQ_TX)) - __mbox_tx_interrupt(mbox); - - if (is_mbox_irq(mbox, IRQ_RX)) - __mbox_rx_interrupt(mbox); - - return IRQ_HANDLED; -} - -static struct omap_mbox_queue *mbox_queue_alloc(struct omap_mbox *mbox, - void (*work) (struct work_struct *), - void (*tasklet)(unsigned long)) -{ - struct omap_mbox_queue *mq; - - mq = kzalloc(sizeof(struct omap_mbox_queue), GFP_KERNEL); - if (!mq) - return NULL; - - spin_lock_init(&mq->lock); - - if (kfifo_alloc(&mq->fifo, mbox_kfifo_size, GFP_KERNEL)) - goto error; - - if (work) - INIT_WORK(&mq->work, work); - - if (tasklet) - tasklet_init(&mq->tasklet, tasklet, (unsigned long)mbox); - return mq; -error: - kfree(mq); - return NULL; -} - -static void mbox_queue_free(struct omap_mbox_queue *q) -{ - kfifo_free(&q->fifo); - kfree(q); -} - -static int omap_mbox_startup(struct omap_mbox *mbox) -{ - int ret = 0; - struct omap_mbox_queue *mq; - - mutex_lock(&mbox_configured_lock); - if (!mbox_configured++) { - if (likely(mbox->ops->startup)) { - ret = mbox->ops->startup(mbox); - if (unlikely(ret)) - goto fail_startup; - } else - goto fail_startup; - } - - if (!mbox->use_count++) { - ret = request_irq(mbox->irq, mbox_interrupt, IRQF_SHARED, - mbox->name, mbox); - if (unlikely(ret)) { - pr_err("failed to register mailbox interrupt:%d\n", - ret); - goto fail_request_irq; - } - mq = mbox_queue_alloc(mbox, NULL, mbox_tx_tasklet); - if (!mq) { - ret = -ENOMEM; - goto fail_alloc_txq; - } - mbox->txq = mq; - - mq = mbox_queue_alloc(mbox, mbox_rx_work, NULL); - if (!mq) { - ret = -ENOMEM; - goto fail_alloc_rxq; - } - mbox->rxq = mq; - mq->mbox = mbox; - } - mutex_unlock(&mbox_configured_lock); - return 0; - -fail_alloc_rxq: - mbox_queue_free(mbox->txq); -fail_alloc_txq: - free_irq(mbox->irq, mbox); -fail_request_irq: - if (mbox->ops->shutdown) - mbox->ops->shutdown(mbox); - mbox->use_count--; -fail_startup: - mbox_configured--; - mutex_unlock(&mbox_configured_lock); - return ret; -} - -static void omap_mbox_fini(struct omap_mbox *mbox) -{ - mutex_lock(&mbox_configured_lock); - - if (!--mbox->use_count) { - free_irq(mbox->irq, mbox); - tasklet_kill(&mbox->txq->tasklet); - flush_work(&mbox->rxq->work); - mbox_queue_free(mbox->txq); - mbox_queue_free(mbox->rxq); - } - - if (likely(mbox->ops->shutdown)) { - if (!--mbox_configured) - mbox->ops->shutdown(mbox); - } - - mutex_unlock(&mbox_configured_lock); -} - -struct omap_mbox *omap_mbox_get(const char *name, struct notifier_block *nb) -{ - struct omap_mbox *_mbox, *mbox = NULL; - int i, ret; - - if (!mboxes) - return ERR_PTR(-EINVAL); - - for (i = 0; (_mbox = mboxes[i]); i++) { - if (!strcmp(_mbox->name, name)) { - mbox = _mbox; - break; - } - } - - if (!mbox) - return ERR_PTR(-ENOENT); - - ret = omap_mbox_startup(mbox); - if (ret) - return ERR_PTR(-ENODEV); - - if (nb) - blocking_notifier_chain_register(&mbox->notifier, nb); - - return mbox; -} -EXPORT_SYMBOL(omap_mbox_get); - -void omap_mbox_put(struct omap_mbox *mbox, struct notifier_block *nb) -{ - blocking_notifier_chain_unregister(&mbox->notifier, nb); - omap_mbox_fini(mbox); -} -EXPORT_SYMBOL(omap_mbox_put); - -static struct class omap_mbox_class = { .name = "mbox", }; - -int omap_mbox_register(struct device *parent, struct omap_mbox **list) -{ - int ret; - int i; - - mboxes = list; - if (!mboxes) - return -EINVAL; - - for (i = 0; mboxes[i]; i++) { - struct omap_mbox *mbox = mboxes[i]; - mbox->dev = device_create(&omap_mbox_class, - parent, 0, mbox, "%s", mbox->name); - if (IS_ERR(mbox->dev)) { - ret = PTR_ERR(mbox->dev); - goto err_out; - } - - BLOCKING_INIT_NOTIFIER_HEAD(&mbox->notifier); - } - return 0; - -err_out: - while (i--) - device_unregister(mboxes[i]->dev); - return ret; -} -EXPORT_SYMBOL(omap_mbox_register); - -int omap_mbox_unregister(void) -{ - int i; - - if (!mboxes) - return -EINVAL; - - for (i = 0; mboxes[i]; i++) - device_unregister(mboxes[i]->dev); - mboxes = NULL; - return 0; -} -EXPORT_SYMBOL(omap_mbox_unregister); - -static int __init omap_mbox_init(void) -{ - int err; - - err = class_register(&omap_mbox_class); - if (err) - return err; - - mboxd = create_workqueue("mboxd"); - if (!mboxd) - return -ENOMEM; - - /* kfifo size sanity check: alignment and minimal size */ - mbox_kfifo_size = ALIGN(mbox_kfifo_size, sizeof(mbox_msg_t)); - mbox_kfifo_size = max_t(unsigned int, mbox_kfifo_size, - sizeof(mbox_msg_t)); - - return 0; -} -subsys_initcall(omap_mbox_init); - -static void __exit omap_mbox_exit(void) -{ - destroy_workqueue(mboxd); - class_unregister(&omap_mbox_class); -} -module_exit(omap_mbox_exit); - -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("omap mailbox: interrupt driven messaging"); -MODULE_AUTHOR("Toshihiro Kobayashi"); -MODULE_AUTHOR("Hiroshi DOYU"); diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c deleted file mode 100644 index b5a6e178a7f..00000000000 --- a/arch/arm/plat-omap/mcbsp.c +++ /dev/null @@ -1,1863 +0,0 @@ -/* - * linux/arch/arm/plat-omap/mcbsp.c - * - * Copyright (C) 2004 Nokia Corporation - * Author: Samuel Ortiz <samuel.ortiz@nokia.com> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Multichannel mode not supported. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/device.h> -#include <linux/platform_device.h> -#include <linux/wait.h> -#include <linux/completion.h> -#include <linux/interrupt.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/slab.h> - -#include <plat/dma.h> -#include <plat/mcbsp.h> - -/* XXX These "sideways" includes are a sign that something is wrong */ -#include "../mach-omap2/cm2xxx_3xxx.h" -#include "../mach-omap2/cm-regbits-34xx.h" - -struct omap_mcbsp **mcbsp_ptr; -int omap_mcbsp_count, omap_mcbsp_cache_size; - -static void omap_mcbsp_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val) -{ - if (cpu_class_is_omap1()) { - ((u16 *)mcbsp->reg_cache)[reg / sizeof(u16)] = (u16)val; - __raw_writew((u16)val, mcbsp->io_base + reg); - } else if (cpu_is_omap2420()) { - ((u16 *)mcbsp->reg_cache)[reg / sizeof(u32)] = (u16)val; - __raw_writew((u16)val, mcbsp->io_base + reg); - } else { - ((u32 *)mcbsp->reg_cache)[reg / sizeof(u32)] = val; - __raw_writel(val, mcbsp->io_base + reg); - } -} - -static int omap_mcbsp_read(struct omap_mcbsp *mcbsp, u16 reg, bool from_cache) -{ - if (cpu_class_is_omap1()) { - return !from_cache ? __raw_readw(mcbsp->io_base + reg) : - ((u16 *)mcbsp->reg_cache)[reg / sizeof(u16)]; - } else if (cpu_is_omap2420()) { - return !from_cache ? __raw_readw(mcbsp->io_base + reg) : - ((u16 *)mcbsp->reg_cache)[reg / sizeof(u32)]; - } else { - return !from_cache ? __raw_readl(mcbsp->io_base + reg) : - ((u32 *)mcbsp->reg_cache)[reg / sizeof(u32)]; - } -} - -#ifdef CONFIG_ARCH_OMAP3 -static void omap_mcbsp_st_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val) -{ - __raw_writel(val, mcbsp->st_data->io_base_st + reg); -} - -static int omap_mcbsp_st_read(struct omap_mcbsp *mcbsp, u16 reg) -{ - return __raw_readl(mcbsp->st_data->io_base_st + reg); -} -#endif - -#define MCBSP_READ(mcbsp, reg) \ - omap_mcbsp_read(mcbsp, OMAP_MCBSP_REG_##reg, 0) -#define MCBSP_WRITE(mcbsp, reg, val) \ - omap_mcbsp_write(mcbsp, OMAP_MCBSP_REG_##reg, val) -#define MCBSP_READ_CACHE(mcbsp, reg) \ - omap_mcbsp_read(mcbsp, OMAP_MCBSP_REG_##reg, 1) - -#define MCBSP_ST_READ(mcbsp, reg) \ - omap_mcbsp_st_read(mcbsp, OMAP_ST_REG_##reg) -#define MCBSP_ST_WRITE(mcbsp, reg, val) \ - omap_mcbsp_st_write(mcbsp, OMAP_ST_REG_##reg, val) - -static void omap_mcbsp_dump_reg(u8 id) -{ - struct omap_mcbsp *mcbsp = id_to_mcbsp_ptr(id); - - dev_dbg(mcbsp->dev, "**** McBSP%d regs ****\n", mcbsp->id); - dev_dbg(mcbsp->dev, "DRR2: 0x%04x\n", - MCBSP_READ(mcbsp, DRR2)); - dev_dbg(mcbsp->dev, "DRR1: 0x%04x\n", - MCBSP_READ(mcbsp, DRR1)); - dev_dbg(mcbsp->dev, "DXR2: 0x%04x\n", - MCBSP_READ(mcbsp, DXR2)); - dev_dbg(mcbsp->dev, "DXR1: 0x%04x\n", - MCBSP_READ(mcbsp, DXR1)); - dev_dbg(mcbsp->dev, "SPCR2: 0x%04x\n", - MCBSP_READ(mcbsp, SPCR2)); - dev_dbg(mcbsp->dev, "SPCR1: 0x%04x\n", - MCBSP_READ(mcbsp, SPCR1)); - dev_dbg(mcbsp->dev, "RCR2: 0x%04x\n", - MCBSP_READ(mcbsp, RCR2)); - dev_dbg(mcbsp->dev, "RCR1: 0x%04x\n", - MCBSP_READ(mcbsp, RCR1)); - dev_dbg(mcbsp->dev, "XCR2: 0x%04x\n", - MCBSP_READ(mcbsp, XCR2)); - dev_dbg(mcbsp->dev, "XCR1: 0x%04x\n", - MCBSP_READ(mcbsp, XCR1)); - dev_dbg(mcbsp->dev, "SRGR2: 0x%04x\n", - MCBSP_READ(mcbsp, SRGR2)); - dev_dbg(mcbsp->dev, "SRGR1: 0x%04x\n", - MCBSP_READ(mcbsp, SRGR1)); - dev_dbg(mcbsp->dev, "PCR0: 0x%04x\n", - MCBSP_READ(mcbsp, PCR0)); - dev_dbg(mcbsp->dev, "***********************\n"); -} - -static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id) -{ - struct omap_mcbsp *mcbsp_tx = dev_id; - u16 irqst_spcr2; - - irqst_spcr2 = MCBSP_READ(mcbsp_tx, SPCR2); - dev_dbg(mcbsp_tx->dev, "TX IRQ callback : 0x%x\n", irqst_spcr2); - - if (irqst_spcr2 & XSYNC_ERR) { - dev_err(mcbsp_tx->dev, "TX Frame Sync Error! : 0x%x\n", - irqst_spcr2); - /* Writing zero to XSYNC_ERR clears the IRQ */ - MCBSP_WRITE(mcbsp_tx, SPCR2, MCBSP_READ_CACHE(mcbsp_tx, SPCR2)); - } else { - complete(&mcbsp_tx->tx_irq_completion); - } - - return IRQ_HANDLED; -} - -static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id) -{ - struct omap_mcbsp *mcbsp_rx = dev_id; - u16 irqst_spcr1; - - irqst_spcr1 = MCBSP_READ(mcbsp_rx, SPCR1); - dev_dbg(mcbsp_rx->dev, "RX IRQ callback : 0x%x\n", irqst_spcr1); - - if (irqst_spcr1 & RSYNC_ERR) { - dev_err(mcbsp_rx->dev, "RX Frame Sync Error! : 0x%x\n", - irqst_spcr1); - /* Writing zero to RSYNC_ERR clears the IRQ */ - MCBSP_WRITE(mcbsp_rx, SPCR1, MCBSP_READ_CACHE(mcbsp_rx, SPCR1)); - } else { - complete(&mcbsp_rx->rx_irq_completion); - } - - return IRQ_HANDLED; -} - -static void omap_mcbsp_tx_dma_callback(int lch, u16 ch_status, void *data) -{ - struct omap_mcbsp *mcbsp_dma_tx = data; - - dev_dbg(mcbsp_dma_tx->dev, "TX DMA callback : 0x%x\n", - MCBSP_READ(mcbsp_dma_tx, SPCR2)); - - /* We can free the channels */ - omap_free_dma(mcbsp_dma_tx->dma_tx_lch); - mcbsp_dma_tx->dma_tx_lch = -1; - - complete(&mcbsp_dma_tx->tx_dma_completion); -} - -static void omap_mcbsp_rx_dma_callback(int lch, u16 ch_status, void *data) -{ - struct omap_mcbsp *mcbsp_dma_rx = data; - - dev_dbg(mcbsp_dma_rx->dev, "RX DMA callback : 0x%x\n", - MCBSP_READ(mcbsp_dma_rx, SPCR2)); - - /* We can free the channels */ - omap_free_dma(mcbsp_dma_rx->dma_rx_lch); - mcbsp_dma_rx->dma_rx_lch = -1; - - complete(&mcbsp_dma_rx->rx_dma_completion); -} - -/* - * omap_mcbsp_config simply write a config to the - * appropriate McBSP. - * You either call this function or set the McBSP registers - * by yourself before calling omap_mcbsp_start(). - */ -void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg *config) -{ - struct omap_mcbsp *mcbsp; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; - } - mcbsp = id_to_mcbsp_ptr(id); - - dev_dbg(mcbsp->dev, "Configuring McBSP%d phys_base: 0x%08lx\n", - mcbsp->id, mcbsp->phys_base); - - /* We write the given config */ - MCBSP_WRITE(mcbsp, SPCR2, config->spcr2); - MCBSP_WRITE(mcbsp, SPCR1, config->spcr1); - MCBSP_WRITE(mcbsp, RCR2, config->rcr2); - MCBSP_WRITE(mcbsp, RCR1, config->rcr1); - MCBSP_WRITE(mcbsp, XCR2, config->xcr2); - MCBSP_WRITE(mcbsp, XCR1, config->xcr1); - MCBSP_WRITE(mcbsp, SRGR2, config->srgr2); - MCBSP_WRITE(mcbsp, SRGR1, config->srgr1); - MCBSP_WRITE(mcbsp, MCR2, config->mcr2); - MCBSP_WRITE(mcbsp, MCR1, config->mcr1); - MCBSP_WRITE(mcbsp, PCR0, config->pcr0); - if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) { - MCBSP_WRITE(mcbsp, XCCR, config->xccr); - MCBSP_WRITE(mcbsp, RCCR, config->rccr); - } -} -EXPORT_SYMBOL(omap_mcbsp_config); - -#ifdef CONFIG_ARCH_OMAP3 -static void omap_st_on(struct omap_mcbsp *mcbsp) -{ - unsigned int w; - - /* - * Sidetone uses McBSP ICLK - which must not idle when sidetones - * are enabled or sidetones start sounding ugly. - */ - w = omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE); - w &= ~(1 << (mcbsp->id - 2)); - omap2_cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE); - - /* Enable McBSP Sidetone */ - w = MCBSP_READ(mcbsp, SSELCR); - MCBSP_WRITE(mcbsp, SSELCR, w | SIDETONEEN); - - w = MCBSP_ST_READ(mcbsp, SYSCONFIG); - MCBSP_ST_WRITE(mcbsp, SYSCONFIG, w & ~(ST_AUTOIDLE)); - - /* Enable Sidetone from Sidetone Core */ - w = MCBSP_ST_READ(mcbsp, SSELCR); - MCBSP_ST_WRITE(mcbsp, SSELCR, w | ST_SIDETONEEN); -} - -static void omap_st_off(struct omap_mcbsp *mcbsp) -{ - unsigned int w; - - w = MCBSP_ST_READ(mcbsp, SSELCR); - MCBSP_ST_WRITE(mcbsp, SSELCR, w & ~(ST_SIDETONEEN)); - - w = MCBSP_ST_READ(mcbsp, SYSCONFIG); - MCBSP_ST_WRITE(mcbsp, SYSCONFIG, w | ST_AUTOIDLE); - - w = MCBSP_READ(mcbsp, SSELCR); - MCBSP_WRITE(mcbsp, SSELCR, w & ~(SIDETONEEN)); - - w = omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE); - w |= 1 << (mcbsp->id - 2); - omap2_cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE); -} - -static void omap_st_fir_write(struct omap_mcbsp *mcbsp, s16 *fir) -{ - u16 val, i; - - val = MCBSP_ST_READ(mcbsp, SYSCONFIG); - MCBSP_ST_WRITE(mcbsp, SYSCONFIG, val & ~(ST_AUTOIDLE)); - - val = MCBSP_ST_READ(mcbsp, SSELCR); - - if (val & ST_COEFFWREN) - MCBSP_ST_WRITE(mcbsp, SSELCR, val & ~(ST_COEFFWREN)); - - MCBSP_ST_WRITE(mcbsp, SSELCR, val | ST_COEFFWREN); - - for (i = 0; i < 128; i++) - MCBSP_ST_WRITE(mcbsp, SFIRCR, fir[i]); - - i = 0; - - val = MCBSP_ST_READ(mcbsp, SSELCR); - while (!(val & ST_COEFFWRDONE) && (++i < 1000)) - val = MCBSP_ST_READ(mcbsp, SSELCR); - - MCBSP_ST_WRITE(mcbsp, SSELCR, val & ~(ST_COEFFWREN)); - - if (i == 1000) - dev_err(mcbsp->dev, "McBSP FIR load error!\n"); -} - -static void omap_st_chgain(struct omap_mcbsp *mcbsp) -{ - u16 w; - struct omap_mcbsp_st_data *st_data = mcbsp->st_data; - - w = MCBSP_ST_READ(mcbsp, SYSCONFIG); - MCBSP_ST_WRITE(mcbsp, SYSCONFIG, w & ~(ST_AUTOIDLE)); - - w = MCBSP_ST_READ(mcbsp, SSELCR); - - MCBSP_ST_WRITE(mcbsp, SGAINCR, ST_CH0GAIN(st_data->ch0gain) | \ - ST_CH1GAIN(st_data->ch1gain)); -} - -int omap_st_set_chgain(unsigned int id, int channel, s16 chgain) -{ - struct omap_mcbsp *mcbsp; - struct omap_mcbsp_st_data *st_data; - int ret = 0; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - - mcbsp = id_to_mcbsp_ptr(id); - st_data = mcbsp->st_data; - - if (!st_data) - return -ENOENT; - - spin_lock_irq(&mcbsp->lock); - if (channel == 0) - st_data->ch0gain = chgain; - else if (channel == 1) - st_data->ch1gain = chgain; - else - ret = -EINVAL; - - if (st_data->enabled) - omap_st_chgain(mcbsp); - spin_unlock_irq(&mcbsp->lock); - - return ret; -} -EXPORT_SYMBOL(omap_st_set_chgain); - -int omap_st_get_chgain(unsigned int id, int channel, s16 *chgain) -{ - struct omap_mcbsp *mcbsp; - struct omap_mcbsp_st_data *st_data; - int ret = 0; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - - mcbsp = id_to_mcbsp_ptr(id); - st_data = mcbsp->st_data; - - if (!st_data) - return -ENOENT; - - spin_lock_irq(&mcbsp->lock); - if (channel == 0) - *chgain = st_data->ch0gain; - else if (channel == 1) - *chgain = st_data->ch1gain; - else - ret = -EINVAL; - spin_unlock_irq(&mcbsp->lock); - - return ret; -} -EXPORT_SYMBOL(omap_st_get_chgain); - -static int omap_st_start(struct omap_mcbsp *mcbsp) -{ - struct omap_mcbsp_st_data *st_data = mcbsp->st_data; - - if (st_data && st_data->enabled && !st_data->running) { - omap_st_fir_write(mcbsp, st_data->taps); - omap_st_chgain(mcbsp); - - if (!mcbsp->free) { - omap_st_on(mcbsp); - st_data->running = 1; - } - } - - return 0; -} - -int omap_st_enable(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - struct omap_mcbsp_st_data *st_data; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - - mcbsp = id_to_mcbsp_ptr(id); - st_data = mcbsp->st_data; - - if (!st_data) - return -ENODEV; - - spin_lock_irq(&mcbsp->lock); - st_data->enabled = 1; - omap_st_start(mcbsp); - spin_unlock_irq(&mcbsp->lock); - - return 0; -} -EXPORT_SYMBOL(omap_st_enable); - -static int omap_st_stop(struct omap_mcbsp *mcbsp) -{ - struct omap_mcbsp_st_data *st_data = mcbsp->st_data; - - if (st_data && st_data->running) { - if (!mcbsp->free) { - omap_st_off(mcbsp); - st_data->running = 0; - } - } - - return 0; -} - -int omap_st_disable(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - struct omap_mcbsp_st_data *st_data; - int ret = 0; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - - mcbsp = id_to_mcbsp_ptr(id); - st_data = mcbsp->st_data; - - if (!st_data) - return -ENODEV; - - spin_lock_irq(&mcbsp->lock); - omap_st_stop(mcbsp); - st_data->enabled = 0; - spin_unlock_irq(&mcbsp->lock); - - return ret; -} -EXPORT_SYMBOL(omap_st_disable); - -int omap_st_is_enabled(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - struct omap_mcbsp_st_data *st_data; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - - mcbsp = id_to_mcbsp_ptr(id); - st_data = mcbsp->st_data; - - if (!st_data) - return -ENODEV; - - - return st_data->enabled; -} -EXPORT_SYMBOL(omap_st_is_enabled); - -/* - * omap_mcbsp_set_rx_threshold configures the transmit threshold in words. - * The threshold parameter is 1 based, and it is converted (threshold - 1) - * for the THRSH2 register. - */ -void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold) -{ - struct omap_mcbsp *mcbsp; - - if (!cpu_is_omap34xx() && !cpu_is_omap44xx()) - return; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; - } - mcbsp = id_to_mcbsp_ptr(id); - - if (threshold && threshold <= mcbsp->max_tx_thres) - MCBSP_WRITE(mcbsp, THRSH2, threshold - 1); -} -EXPORT_SYMBOL(omap_mcbsp_set_tx_threshold); - -/* - * omap_mcbsp_set_rx_threshold configures the receive threshold in words. - * The threshold parameter is 1 based, and it is converted (threshold - 1) - * for the THRSH1 register. - */ -void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold) -{ - struct omap_mcbsp *mcbsp; - - if (!cpu_is_omap34xx() && !cpu_is_omap44xx()) - return; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; - } - mcbsp = id_to_mcbsp_ptr(id); - - if (threshold && threshold <= mcbsp->max_rx_thres) - MCBSP_WRITE(mcbsp, THRSH1, threshold - 1); -} -EXPORT_SYMBOL(omap_mcbsp_set_rx_threshold); - -/* - * omap_mcbsp_get_max_tx_thres just return the current configured - * maximum threshold for transmission - */ -u16 omap_mcbsp_get_max_tx_threshold(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - return mcbsp->max_tx_thres; -} -EXPORT_SYMBOL(omap_mcbsp_get_max_tx_threshold); - -/* - * omap_mcbsp_get_max_rx_thres just return the current configured - * maximum threshold for reception - */ -u16 omap_mcbsp_get_max_rx_threshold(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - return mcbsp->max_rx_thres; -} -EXPORT_SYMBOL(omap_mcbsp_get_max_rx_threshold); - -u16 omap_mcbsp_get_fifo_size(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - return mcbsp->pdata->buffer_size; -} -EXPORT_SYMBOL(omap_mcbsp_get_fifo_size); - -/* - * omap_mcbsp_get_tx_delay returns the number of used slots in the McBSP FIFO - */ -u16 omap_mcbsp_get_tx_delay(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - u16 buffstat; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - /* Returns the number of free locations in the buffer */ - buffstat = MCBSP_READ(mcbsp, XBUFFSTAT); - - /* Number of slots are different in McBSP ports */ - return mcbsp->pdata->buffer_size - buffstat; -} -EXPORT_SYMBOL(omap_mcbsp_get_tx_delay); - -/* - * omap_mcbsp_get_rx_delay returns the number of free slots in the McBSP FIFO - * to reach the threshold value (when the DMA will be triggered to read it) - */ -u16 omap_mcbsp_get_rx_delay(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - u16 buffstat, threshold; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - /* Returns the number of used locations in the buffer */ - buffstat = MCBSP_READ(mcbsp, RBUFFSTAT); - /* RX threshold */ - threshold = MCBSP_READ(mcbsp, THRSH1); - - /* Return the number of location till we reach the threshold limit */ - if (threshold <= buffstat) - return 0; - else - return threshold - buffstat; -} -EXPORT_SYMBOL(omap_mcbsp_get_rx_delay); - -/* - * omap_mcbsp_get_dma_op_mode just return the current configured - * operating mode for the mcbsp channel - */ -int omap_mcbsp_get_dma_op_mode(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - int dma_op_mode; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%u)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - dma_op_mode = mcbsp->dma_op_mode; - - return dma_op_mode; -} -EXPORT_SYMBOL(omap_mcbsp_get_dma_op_mode); - -static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp) -{ - /* - * Enable wakup behavior, smart idle and all wakeups - * REVISIT: some wakeups may be unnecessary - */ - if (cpu_is_omap34xx() || cpu_is_omap44xx()) { - u16 syscon; - - syscon = MCBSP_READ(mcbsp, SYSCON); - syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03) | CLOCKACTIVITY(0x03)); - - if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) { - syscon |= (ENAWAKEUP | SIDLEMODE(0x02) | - CLOCKACTIVITY(0x02)); - MCBSP_WRITE(mcbsp, WAKEUPEN, XRDYEN | RRDYEN); - } else { - syscon |= SIDLEMODE(0x01); - } - - MCBSP_WRITE(mcbsp, SYSCON, syscon); - } -} - -static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp) -{ - /* - * Disable wakup behavior, smart idle and all wakeups - */ - if (cpu_is_omap34xx() || cpu_is_omap44xx()) { - u16 syscon; - - syscon = MCBSP_READ(mcbsp, SYSCON); - syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03) | CLOCKACTIVITY(0x03)); - /* - * HW bug workaround - If no_idle mode is taken, we need to - * go to smart_idle before going to always_idle, or the - * device will not hit retention anymore. - */ - syscon |= SIDLEMODE(0x02); - MCBSP_WRITE(mcbsp, SYSCON, syscon); - - syscon &= ~(SIDLEMODE(0x03)); - MCBSP_WRITE(mcbsp, SYSCON, syscon); - - MCBSP_WRITE(mcbsp, WAKEUPEN, 0); - } -} -#else -static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp) {} -static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp) {} -static inline void omap_st_start(struct omap_mcbsp *mcbsp) {} -static inline void omap_st_stop(struct omap_mcbsp *mcbsp) {} -#endif - -/* - * We can choose between IRQ based or polled IO. - * This needs to be called before omap_mcbsp_request(). - */ -int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type) -{ - struct omap_mcbsp *mcbsp; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - spin_lock(&mcbsp->lock); - - if (!mcbsp->free) { - dev_err(mcbsp->dev, "McBSP%d is currently in use\n", - mcbsp->id); - spin_unlock(&mcbsp->lock); - return -EINVAL; - } - - mcbsp->io_type = io_type; - - spin_unlock(&mcbsp->lock); - - return 0; -} -EXPORT_SYMBOL(omap_mcbsp_set_io_type); - -int omap_mcbsp_request(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - void *reg_cache; - int err; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - reg_cache = kzalloc(omap_mcbsp_cache_size, GFP_KERNEL); - if (!reg_cache) { - return -ENOMEM; - } - - spin_lock(&mcbsp->lock); - if (!mcbsp->free) { - dev_err(mcbsp->dev, "McBSP%d is currently in use\n", - mcbsp->id); - err = -EBUSY; - goto err_kfree; - } - - mcbsp->free = false; - mcbsp->reg_cache = reg_cache; - spin_unlock(&mcbsp->lock); - - if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->request) - mcbsp->pdata->ops->request(id); - - clk_enable(mcbsp->iclk); - clk_enable(mcbsp->fclk); - - /* Do procedure specific to omap34xx arch, if applicable */ - omap34xx_mcbsp_request(mcbsp); - - /* - * Make sure that transmitter, receiver and sample-rate generator are - * not running before activating IRQs. - */ - MCBSP_WRITE(mcbsp, SPCR1, 0); - MCBSP_WRITE(mcbsp, SPCR2, 0); - - if (mcbsp->io_type == OMAP_MCBSP_IRQ_IO) { - /* We need to get IRQs here */ - init_completion(&mcbsp->tx_irq_completion); - err = request_irq(mcbsp->tx_irq, omap_mcbsp_tx_irq_handler, - 0, "McBSP", (void *)mcbsp); - if (err != 0) { - dev_err(mcbsp->dev, "Unable to request TX IRQ %d " - "for McBSP%d\n", mcbsp->tx_irq, - mcbsp->id); - goto err_clk_disable; - } - - if (mcbsp->rx_irq) { - init_completion(&mcbsp->rx_irq_completion); - err = request_irq(mcbsp->rx_irq, - omap_mcbsp_rx_irq_handler, - 0, "McBSP", (void *)mcbsp); - if (err != 0) { - dev_err(mcbsp->dev, "Unable to request RX IRQ %d " - "for McBSP%d\n", mcbsp->rx_irq, - mcbsp->id); - goto err_free_irq; - } - } - } - - return 0; -err_free_irq: - free_irq(mcbsp->tx_irq, (void *)mcbsp); -err_clk_disable: - if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free) - mcbsp->pdata->ops->free(id); - - /* Do procedure specific to omap34xx arch, if applicable */ - omap34xx_mcbsp_free(mcbsp); - - clk_disable(mcbsp->fclk); - clk_disable(mcbsp->iclk); - - spin_lock(&mcbsp->lock); - mcbsp->free = true; - mcbsp->reg_cache = NULL; -err_kfree: - spin_unlock(&mcbsp->lock); - kfree(reg_cache); - - return err; -} -EXPORT_SYMBOL(omap_mcbsp_request); - -void omap_mcbsp_free(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - void *reg_cache; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; - } - mcbsp = id_to_mcbsp_ptr(id); - - if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free) - mcbsp->pdata->ops->free(id); - - /* Do procedure specific to omap34xx arch, if applicable */ - omap34xx_mcbsp_free(mcbsp); - - clk_disable(mcbsp->fclk); - clk_disable(mcbsp->iclk); - - if (mcbsp->io_type == OMAP_MCBSP_IRQ_IO) { - /* Free IRQs */ - if (mcbsp->rx_irq) - free_irq(mcbsp->rx_irq, (void *)mcbsp); - free_irq(mcbsp->tx_irq, (void *)mcbsp); - } - - reg_cache = mcbsp->reg_cache; - - spin_lock(&mcbsp->lock); - if (mcbsp->free) - dev_err(mcbsp->dev, "McBSP%d was not reserved\n", mcbsp->id); - else - mcbsp->free = true; - mcbsp->reg_cache = NULL; - spin_unlock(&mcbsp->lock); - - if (reg_cache) - kfree(reg_cache); -} -EXPORT_SYMBOL(omap_mcbsp_free); - -/* - * Here we start the McBSP, by enabling transmitter, receiver or both. - * If no transmitter or receiver is active prior calling, then sample-rate - * generator and frame sync are started. - */ -void omap_mcbsp_start(unsigned int id, int tx, int rx) -{ - struct omap_mcbsp *mcbsp; - int enable_srg = 0; - u16 w; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; - } - mcbsp = id_to_mcbsp_ptr(id); - - if (cpu_is_omap34xx()) - omap_st_start(mcbsp); - - mcbsp->rx_word_length = (MCBSP_READ_CACHE(mcbsp, RCR1) >> 5) & 0x7; - mcbsp->tx_word_length = (MCBSP_READ_CACHE(mcbsp, XCR1) >> 5) & 0x7; - - /* Only enable SRG, if McBSP is master */ - w = MCBSP_READ_CACHE(mcbsp, PCR0); - if (w & (FSXM | FSRM | CLKXM | CLKRM)) - enable_srg = !((MCBSP_READ_CACHE(mcbsp, SPCR2) | - MCBSP_READ_CACHE(mcbsp, SPCR1)) & 1); - - if (enable_srg) { - /* Start the sample generator */ - w = MCBSP_READ_CACHE(mcbsp, SPCR2); - MCBSP_WRITE(mcbsp, SPCR2, w | (1 << 6)); - } - - /* Enable transmitter and receiver */ - tx &= 1; - w = MCBSP_READ_CACHE(mcbsp, SPCR2); - MCBSP_WRITE(mcbsp, SPCR2, w | tx); - - rx &= 1; - w = MCBSP_READ_CACHE(mcbsp, SPCR1); - MCBSP_WRITE(mcbsp, SPCR1, w | rx); - - /* - * Worst case: CLKSRG*2 = 8000khz: (1/8000) * 2 * 2 usec - * REVISIT: 100us may give enough time for two CLKSRG, however - * due to some unknown PM related, clock gating etc. reason it - * is now at 500us. - */ - udelay(500); - - if (enable_srg) { - /* Start frame sync */ - w = MCBSP_READ_CACHE(mcbsp, SPCR2); - MCBSP_WRITE(mcbsp, SPCR2, w | (1 << 7)); - } - - if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) { - /* Release the transmitter and receiver */ - w = MCBSP_READ_CACHE(mcbsp, XCCR); - w &= ~(tx ? XDISABLE : 0); - MCBSP_WRITE(mcbsp, XCCR, w); - w = MCBSP_READ_CACHE(mcbsp, RCCR); - w &= ~(rx ? RDISABLE : 0); - MCBSP_WRITE(mcbsp, RCCR, w); - } - - /* Dump McBSP Regs */ - omap_mcbsp_dump_reg(id); -} -EXPORT_SYMBOL(omap_mcbsp_start); - -void omap_mcbsp_stop(unsigned int id, int tx, int rx) -{ - struct omap_mcbsp *mcbsp; - int idle; - u16 w; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; - } - - mcbsp = id_to_mcbsp_ptr(id); - - /* Reset transmitter */ - tx &= 1; - if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) { - w = MCBSP_READ_CACHE(mcbsp, XCCR); - w |= (tx ? XDISABLE : 0); - MCBSP_WRITE(mcbsp, XCCR, w); - } - w = MCBSP_READ_CACHE(mcbsp, SPCR2); - MCBSP_WRITE(mcbsp, SPCR2, w & ~tx); - - /* Reset receiver */ - rx &= 1; - if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) { - w = MCBSP_READ_CACHE(mcbsp, RCCR); - w |= (rx ? RDISABLE : 0); - MCBSP_WRITE(mcbsp, RCCR, w); - } - w = MCBSP_READ_CACHE(mcbsp, SPCR1); - MCBSP_WRITE(mcbsp, SPCR1, w & ~rx); - - idle = !((MCBSP_READ_CACHE(mcbsp, SPCR2) | - MCBSP_READ_CACHE(mcbsp, SPCR1)) & 1); - - if (idle) { - /* Reset the sample rate generator */ - w = MCBSP_READ_CACHE(mcbsp, SPCR2); - MCBSP_WRITE(mcbsp, SPCR2, w & ~(1 << 6)); - } - - if (cpu_is_omap34xx()) - omap_st_stop(mcbsp); -} -EXPORT_SYMBOL(omap_mcbsp_stop); - -/* polled mcbsp i/o operations */ -int omap_mcbsp_pollwrite(unsigned int id, u16 buf) -{ - struct omap_mcbsp *mcbsp; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - - mcbsp = id_to_mcbsp_ptr(id); - - MCBSP_WRITE(mcbsp, DXR1, buf); - /* if frame sync error - clear the error */ - if (MCBSP_READ(mcbsp, SPCR2) & XSYNC_ERR) { - /* clear error */ - MCBSP_WRITE(mcbsp, SPCR2, MCBSP_READ_CACHE(mcbsp, SPCR2)); - /* resend */ - return -1; - } else { - /* wait for transmit confirmation */ - int attemps = 0; - while (!(MCBSP_READ(mcbsp, SPCR2) & XRDY)) { - if (attemps++ > 1000) { - MCBSP_WRITE(mcbsp, SPCR2, - MCBSP_READ_CACHE(mcbsp, SPCR2) & - (~XRST)); - udelay(10); - MCBSP_WRITE(mcbsp, SPCR2, - MCBSP_READ_CACHE(mcbsp, SPCR2) | - (XRST)); - udelay(10); - dev_err(mcbsp->dev, "Could not write to" - " McBSP%d Register\n", mcbsp->id); - return -2; - } - } - } - - return 0; -} -EXPORT_SYMBOL(omap_mcbsp_pollwrite); - -int omap_mcbsp_pollread(unsigned int id, u16 *buf) -{ - struct omap_mcbsp *mcbsp; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - /* if frame sync error - clear the error */ - if (MCBSP_READ(mcbsp, SPCR1) & RSYNC_ERR) { - /* clear error */ - MCBSP_WRITE(mcbsp, SPCR1, MCBSP_READ_CACHE(mcbsp, SPCR1)); - /* resend */ - return -1; - } else { - /* wait for recieve confirmation */ - int attemps = 0; - while (!(MCBSP_READ(mcbsp, SPCR1) & RRDY)) { - if (attemps++ > 1000) { - MCBSP_WRITE(mcbsp, SPCR1, - MCBSP_READ_CACHE(mcbsp, SPCR1) & - (~RRST)); - udelay(10); - MCBSP_WRITE(mcbsp, SPCR1, - MCBSP_READ_CACHE(mcbsp, SPCR1) | - (RRST)); - udelay(10); - dev_err(mcbsp->dev, "Could not read from" - " McBSP%d Register\n", mcbsp->id); - return -2; - } - } - } - *buf = MCBSP_READ(mcbsp, DRR1); - - return 0; -} -EXPORT_SYMBOL(omap_mcbsp_pollread); - -/* - * IRQ based word transmission. - */ -void omap_mcbsp_xmit_word(unsigned int id, u32 word) -{ - struct omap_mcbsp *mcbsp; - omap_mcbsp_word_length word_length; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; - } - - mcbsp = id_to_mcbsp_ptr(id); - word_length = mcbsp->tx_word_length; - - wait_for_completion(&mcbsp->tx_irq_completion); - - if (word_length > OMAP_MCBSP_WORD_16) - MCBSP_WRITE(mcbsp, DXR2, word >> 16); - MCBSP_WRITE(mcbsp, DXR1, word & 0xffff); -} -EXPORT_SYMBOL(omap_mcbsp_xmit_word); - -u32 omap_mcbsp_recv_word(unsigned int id) -{ - struct omap_mcbsp *mcbsp; - u16 word_lsb, word_msb = 0; - omap_mcbsp_word_length word_length; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - word_length = mcbsp->rx_word_length; - - wait_for_completion(&mcbsp->rx_irq_completion); - - if (word_length > OMAP_MCBSP_WORD_16) - word_msb = MCBSP_READ(mcbsp, DRR2); - word_lsb = MCBSP_READ(mcbsp, DRR1); - - return (word_lsb | (word_msb << 16)); -} -EXPORT_SYMBOL(omap_mcbsp_recv_word); - -int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word) -{ - struct omap_mcbsp *mcbsp; - omap_mcbsp_word_length tx_word_length; - omap_mcbsp_word_length rx_word_length; - u16 spcr2, spcr1, attempts = 0, word_lsb, word_msb = 0; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - tx_word_length = mcbsp->tx_word_length; - rx_word_length = mcbsp->rx_word_length; - - if (tx_word_length != rx_word_length) - return -EINVAL; - - /* First we wait for the transmitter to be ready */ - spcr2 = MCBSP_READ(mcbsp, SPCR2); - while (!(spcr2 & XRDY)) { - spcr2 = MCBSP_READ(mcbsp, SPCR2); - if (attempts++ > 1000) { - /* We must reset the transmitter */ - MCBSP_WRITE(mcbsp, SPCR2, - MCBSP_READ_CACHE(mcbsp, SPCR2) & (~XRST)); - udelay(10); - MCBSP_WRITE(mcbsp, SPCR2, - MCBSP_READ_CACHE(mcbsp, SPCR2) | XRST); - udelay(10); - dev_err(mcbsp->dev, "McBSP%d transmitter not " - "ready\n", mcbsp->id); - return -EAGAIN; - } - } - - /* Now we can push the data */ - if (tx_word_length > OMAP_MCBSP_WORD_16) - MCBSP_WRITE(mcbsp, DXR2, word >> 16); - MCBSP_WRITE(mcbsp, DXR1, word & 0xffff); - - /* We wait for the receiver to be ready */ - spcr1 = MCBSP_READ(mcbsp, SPCR1); - while (!(spcr1 & RRDY)) { - spcr1 = MCBSP_READ(mcbsp, SPCR1); - if (attempts++ > 1000) { - /* We must reset the receiver */ - MCBSP_WRITE(mcbsp, SPCR1, - MCBSP_READ_CACHE(mcbsp, SPCR1) & (~RRST)); - udelay(10); - MCBSP_WRITE(mcbsp, SPCR1, - MCBSP_READ_CACHE(mcbsp, SPCR1) | RRST); - udelay(10); - dev_err(mcbsp->dev, "McBSP%d receiver not " - "ready\n", mcbsp->id); - return -EAGAIN; - } - } - - /* Receiver is ready, let's read the dummy data */ - if (rx_word_length > OMAP_MCBSP_WORD_16) - word_msb = MCBSP_READ(mcbsp, DRR2); - word_lsb = MCBSP_READ(mcbsp, DRR1); - - return 0; -} -EXPORT_SYMBOL(omap_mcbsp_spi_master_xmit_word_poll); - -int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 *word) -{ - struct omap_mcbsp *mcbsp; - u32 clock_word = 0; - omap_mcbsp_word_length tx_word_length; - omap_mcbsp_word_length rx_word_length; - u16 spcr2, spcr1, attempts = 0, word_lsb, word_msb = 0; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - - mcbsp = id_to_mcbsp_ptr(id); - - tx_word_length = mcbsp->tx_word_length; - rx_word_length = mcbsp->rx_word_length; - - if (tx_word_length != rx_word_length) - return -EINVAL; - - /* First we wait for the transmitter to be ready */ - spcr2 = MCBSP_READ(mcbsp, SPCR2); - while (!(spcr2 & XRDY)) { - spcr2 = MCBSP_READ(mcbsp, SPCR2); - if (attempts++ > 1000) { - /* We must reset the transmitter */ - MCBSP_WRITE(mcbsp, SPCR2, - MCBSP_READ_CACHE(mcbsp, SPCR2) & (~XRST)); - udelay(10); - MCBSP_WRITE(mcbsp, SPCR2, - MCBSP_READ_CACHE(mcbsp, SPCR2) | XRST); - udelay(10); - dev_err(mcbsp->dev, "McBSP%d transmitter not " - "ready\n", mcbsp->id); - return -EAGAIN; - } - } - - /* We first need to enable the bus clock */ - if (tx_word_length > OMAP_MCBSP_WORD_16) - MCBSP_WRITE(mcbsp, DXR2, clock_word >> 16); - MCBSP_WRITE(mcbsp, DXR1, clock_word & 0xffff); - - /* We wait for the receiver to be ready */ - spcr1 = MCBSP_READ(mcbsp, SPCR1); - while (!(spcr1 & RRDY)) { - spcr1 = MCBSP_READ(mcbsp, SPCR1); - if (attempts++ > 1000) { - /* We must reset the receiver */ - MCBSP_WRITE(mcbsp, SPCR1, - MCBSP_READ_CACHE(mcbsp, SPCR1) & (~RRST)); - udelay(10); - MCBSP_WRITE(mcbsp, SPCR1, - MCBSP_READ_CACHE(mcbsp, SPCR1) | RRST); - udelay(10); - dev_err(mcbsp->dev, "McBSP%d receiver not " - "ready\n", mcbsp->id); - return -EAGAIN; - } - } - - /* Receiver is ready, there is something for us */ - if (rx_word_length > OMAP_MCBSP_WORD_16) - word_msb = MCBSP_READ(mcbsp, DRR2); - word_lsb = MCBSP_READ(mcbsp, DRR1); - - word[0] = (word_lsb | (word_msb << 16)); - - return 0; -} -EXPORT_SYMBOL(omap_mcbsp_spi_master_recv_word_poll); - -/* - * Simple DMA based buffer rx/tx routines. - * Nothing fancy, just a single buffer tx/rx through DMA. - * The DMA resources are released once the transfer is done. - * For anything fancier, you should use your own customized DMA - * routines and callbacks. - */ -int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, - unsigned int length) -{ - struct omap_mcbsp *mcbsp; - int dma_tx_ch; - int src_port = 0; - int dest_port = 0; - int sync_dev = 0; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - if (omap_request_dma(mcbsp->dma_tx_sync, "McBSP TX", - omap_mcbsp_tx_dma_callback, - mcbsp, - &dma_tx_ch)) { - dev_err(mcbsp->dev, " Unable to request DMA channel for " - "McBSP%d TX. Trying IRQ based TX\n", - mcbsp->id); - return -EAGAIN; - } - mcbsp->dma_tx_lch = dma_tx_ch; - - dev_err(mcbsp->dev, "McBSP%d TX DMA on channel %d\n", mcbsp->id, - dma_tx_ch); - - init_completion(&mcbsp->tx_dma_completion); - - if (cpu_class_is_omap1()) { - src_port = OMAP_DMA_PORT_TIPB; - dest_port = OMAP_DMA_PORT_EMIFF; - } - if (cpu_class_is_omap2()) - sync_dev = mcbsp->dma_tx_sync; - - omap_set_dma_transfer_params(mcbsp->dma_tx_lch, - OMAP_DMA_DATA_TYPE_S16, - length >> 1, 1, - OMAP_DMA_SYNC_ELEMENT, - sync_dev, 0); - - omap_set_dma_dest_params(mcbsp->dma_tx_lch, - src_port, - OMAP_DMA_AMODE_CONSTANT, - mcbsp->phys_base + OMAP_MCBSP_REG_DXR1, - 0, 0); - - omap_set_dma_src_params(mcbsp->dma_tx_lch, - dest_port, - OMAP_DMA_AMODE_POST_INC, - buffer, - 0, 0); - - omap_start_dma(mcbsp->dma_tx_lch); - wait_for_completion(&mcbsp->tx_dma_completion); - - return 0; -} -EXPORT_SYMBOL(omap_mcbsp_xmit_buffer); - -int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, - unsigned int length) -{ - struct omap_mcbsp *mcbsp; - int dma_rx_ch; - int src_port = 0; - int dest_port = 0; - int sync_dev = 0; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return -ENODEV; - } - mcbsp = id_to_mcbsp_ptr(id); - - if (omap_request_dma(mcbsp->dma_rx_sync, "McBSP RX", - omap_mcbsp_rx_dma_callback, - mcbsp, - &dma_rx_ch)) { - dev_err(mcbsp->dev, "Unable to request DMA channel for " - "McBSP%d RX. Trying IRQ based RX\n", - mcbsp->id); - return -EAGAIN; - } - mcbsp->dma_rx_lch = dma_rx_ch; - - dev_err(mcbsp->dev, "McBSP%d RX DMA on channel %d\n", mcbsp->id, - dma_rx_ch); - - init_completion(&mcbsp->rx_dma_completion); - - if (cpu_class_is_omap1()) { - src_port = OMAP_DMA_PORT_TIPB; - dest_port = OMAP_DMA_PORT_EMIFF; - } - if (cpu_class_is_omap2()) - sync_dev = mcbsp->dma_rx_sync; - - omap_set_dma_transfer_params(mcbsp->dma_rx_lch, - OMAP_DMA_DATA_TYPE_S16, - length >> 1, 1, - OMAP_DMA_SYNC_ELEMENT, - sync_dev, 0); - - omap_set_dma_src_params(mcbsp->dma_rx_lch, - src_port, - OMAP_DMA_AMODE_CONSTANT, - mcbsp->phys_base + OMAP_MCBSP_REG_DRR1, - 0, 0); - - omap_set_dma_dest_params(mcbsp->dma_rx_lch, - dest_port, - OMAP_DMA_AMODE_POST_INC, - buffer, - 0, 0); - - omap_start_dma(mcbsp->dma_rx_lch); - wait_for_completion(&mcbsp->rx_dma_completion); - - return 0; -} -EXPORT_SYMBOL(omap_mcbsp_recv_buffer); - -/* - * SPI wrapper. - * Since SPI setup is much simpler than the generic McBSP one, - * this wrapper just need an omap_mcbsp_spi_cfg structure as an input. - * Once this is done, you can call omap_mcbsp_start(). - */ -void omap_mcbsp_set_spi_mode(unsigned int id, - const struct omap_mcbsp_spi_cfg *spi_cfg) -{ - struct omap_mcbsp *mcbsp; - struct omap_mcbsp_reg_cfg mcbsp_cfg; - - if (!omap_mcbsp_check_valid_id(id)) { - printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); - return; - } - mcbsp = id_to_mcbsp_ptr(id); - - memset(&mcbsp_cfg, 0, sizeof(struct omap_mcbsp_reg_cfg)); - - /* SPI has only one frame */ - mcbsp_cfg.rcr1 |= (RWDLEN1(spi_cfg->word_length) | RFRLEN1(0)); - mcbsp_cfg.xcr1 |= (XWDLEN1(spi_cfg->word_length) | XFRLEN1(0)); - - /* Clock stop mode */ - if (spi_cfg->clk_stp_mode == OMAP_MCBSP_CLK_STP_MODE_NO_DELAY) - mcbsp_cfg.spcr1 |= (1 << 12); - else - mcbsp_cfg.spcr1 |= (3 << 11); - - /* Set clock parities */ - if (spi_cfg->rx_clock_polarity == OMAP_MCBSP_CLK_RISING) - mcbsp_cfg.pcr0 |= CLKRP; - else - mcbsp_cfg.pcr0 &= ~CLKRP; - - if (spi_cfg->tx_clock_polarity == OMAP_MCBSP_CLK_RISING) - mcbsp_cfg.pcr0 &= ~CLKXP; - else - mcbsp_cfg.pcr0 |= CLKXP; - - /* Set SCLKME to 0 and CLKSM to 1 */ - mcbsp_cfg.pcr0 &= ~SCLKME; - mcbsp_cfg.srgr2 |= CLKSM; - - /* Set FSXP */ - if (spi_cfg->fsx_polarity == OMAP_MCBSP_FS_ACTIVE_HIGH) - mcbsp_cfg.pcr0 &= ~FSXP; - else - mcbsp_cfg.pcr0 |= FSXP; - - if (spi_cfg->spi_mode == OMAP_MCBSP_SPI_MASTER) { - mcbsp_cfg.pcr0 |= CLKXM; - mcbsp_cfg.srgr1 |= CLKGDV(spi_cfg->clk_div - 1); - mcbsp_cfg.pcr0 |= FSXM; - mcbsp_cfg.srgr2 &= ~FSGM; - mcbsp_cfg.xcr2 |= XDATDLY(1); - mcbsp_cfg.rcr2 |= RDATDLY(1); - } else { - mcbsp_cfg.pcr0 &= ~CLKXM; - mcbsp_cfg.srgr1 |= CLKGDV(1); - mcbsp_cfg.pcr0 &= ~FSXM; - mcbsp_cfg.xcr2 &= ~XDATDLY(3); - mcbsp_cfg.rcr2 &= ~RDATDLY(3); - } - - mcbsp_cfg.xcr2 &= ~XPHASE; - mcbsp_cfg.rcr2 &= ~RPHASE; - - omap_mcbsp_config(id, &mcbsp_cfg); -} -EXPORT_SYMBOL(omap_mcbsp_set_spi_mode); - -#ifdef CONFIG_ARCH_OMAP3 -#define max_thres(m) (mcbsp->pdata->buffer_size) -#define valid_threshold(m, val) ((val) <= max_thres(m)) -#define THRESHOLD_PROP_BUILDER(prop) \ -static ssize_t prop##_show(struct device *dev, \ - struct device_attribute *attr, char *buf) \ -{ \ - struct omap_mcbsp *mcbsp = dev_get_drvdata(dev); \ - \ - return sprintf(buf, "%u\n", mcbsp->prop); \ -} \ - \ -static ssize_t prop##_store(struct device *dev, \ - struct device_attribute *attr, \ - const char *buf, size_t size) \ -{ \ - struct omap_mcbsp *mcbsp = dev_get_drvdata(dev); \ - unsigned long val; \ - int status; \ - \ - status = strict_strtoul(buf, 0, &val); \ - if (status) \ - return status; \ - \ - if (!valid_threshold(mcbsp, val)) \ - return -EDOM; \ - \ - mcbsp->prop = val; \ - return size; \ -} \ - \ -static DEVICE_ATTR(prop, 0644, prop##_show, prop##_store); - -THRESHOLD_PROP_BUILDER(max_tx_thres); -THRESHOLD_PROP_BUILDER(max_rx_thres); - -static const char *dma_op_modes[] = { - "element", "threshold", "frame", -}; - -static ssize_t dma_op_mode_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct omap_mcbsp *mcbsp = dev_get_drvdata(dev); - int dma_op_mode, i = 0; - ssize_t len = 0; - const char * const *s; - - dma_op_mode = mcbsp->dma_op_mode; - - for (s = &dma_op_modes[i]; i < ARRAY_SIZE(dma_op_modes); s++, i++) { - if (dma_op_mode == i) - len += sprintf(buf + len, "[%s] ", *s); - else - len += sprintf(buf + len, "%s ", *s); - } - len += sprintf(buf + len, "\n"); - - return len; -} - -static ssize_t dma_op_mode_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t size) -{ - struct omap_mcbsp *mcbsp = dev_get_drvdata(dev); - const char * const *s; - int i = 0; - - for (s = &dma_op_modes[i]; i < ARRAY_SIZE(dma_op_modes); s++, i++) - if (sysfs_streq(buf, *s)) - break; - - if (i == ARRAY_SIZE(dma_op_modes)) - return -EINVAL; - - spin_lock_irq(&mcbsp->lock); - if (!mcbsp->free) { - size = -EBUSY; - goto unlock; - } - mcbsp->dma_op_mode = i; - -unlock: - spin_unlock_irq(&mcbsp->lock); - - return size; -} - -static DEVICE_ATTR(dma_op_mode, 0644, dma_op_mode_show, dma_op_mode_store); - -static ssize_t st_taps_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct omap_mcbsp *mcbsp = dev_get_drvdata(dev); - struct omap_mcbsp_st_data *st_data = mcbsp->st_data; - ssize_t status = 0; - int i; - - spin_lock_irq(&mcbsp->lock); - for (i = 0; i < st_data->nr_taps; i++) - status += sprintf(&buf[status], (i ? ", %d" : "%d"), - st_data->taps[i]); - if (i) - status += sprintf(&buf[status], "\n"); - spin_unlock_irq(&mcbsp->lock); - - return status; -} - -static ssize_t st_taps_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t size) -{ - struct omap_mcbsp *mcbsp = dev_get_drvdata(dev); - struct omap_mcbsp_st_data *st_data = mcbsp->st_data; - int val, tmp, status, i = 0; - - spin_lock_irq(&mcbsp->lock); - memset(st_data->taps, 0, sizeof(st_data->taps)); - st_data->nr_taps = 0; - - do { - status = sscanf(buf, "%d%n", &val, &tmp); - if (status < 0 || status == 0) { - size = -EINVAL; - goto out; - } - if (val < -32768 || val > 32767) { - size = -EINVAL; - goto out; - } - st_data->taps[i++] = val; - buf += tmp; - if (*buf != ',') - break; - buf++; - } while (1); - - st_data->nr_taps = i; - -out: - spin_unlock_irq(&mcbsp->lock); - - return size; -} - -static DEVICE_ATTR(st_taps, 0644, st_taps_show, st_taps_store); - -static const struct attribute *additional_attrs[] = { - &dev_attr_max_tx_thres.attr, - &dev_attr_max_rx_thres.attr, - &dev_attr_dma_op_mode.attr, - NULL, -}; - -static const struct attribute_group additional_attr_group = { - .attrs = (struct attribute **)additional_attrs, -}; - -static inline int __devinit omap_additional_add(struct device *dev) -{ - return sysfs_create_group(&dev->kobj, &additional_attr_group); -} - -static inline void __devexit omap_additional_remove(struct device *dev) -{ - sysfs_remove_group(&dev->kobj, &additional_attr_group); -} - -static const struct attribute *sidetone_attrs[] = { - &dev_attr_st_taps.attr, - NULL, -}; - -static const struct attribute_group sidetone_attr_group = { - .attrs = (struct attribute **)sidetone_attrs, -}; - -static int __devinit omap_st_add(struct omap_mcbsp *mcbsp) -{ - struct omap_mcbsp_platform_data *pdata = mcbsp->pdata; - struct omap_mcbsp_st_data *st_data; - int err; - - st_data = kzalloc(sizeof(*mcbsp->st_data), GFP_KERNEL); - if (!st_data) { - err = -ENOMEM; - goto err1; - } - - st_data->io_base_st = ioremap(pdata->phys_base_st, SZ_4K); - if (!st_data->io_base_st) { - err = -ENOMEM; - goto err2; - } - - err = sysfs_create_group(&mcbsp->dev->kobj, &sidetone_attr_group); - if (err) - goto err3; - - mcbsp->st_data = st_data; - return 0; - -err3: - iounmap(st_data->io_base_st); -err2: - kfree(st_data); -err1: - return err; - -} - -static void __devexit omap_st_remove(struct omap_mcbsp *mcbsp) -{ - struct omap_mcbsp_st_data *st_data = mcbsp->st_data; - - if (st_data) { - sysfs_remove_group(&mcbsp->dev->kobj, &sidetone_attr_group); - iounmap(st_data->io_base_st); - kfree(st_data); - } -} - -static inline void __devinit omap34xx_device_init(struct omap_mcbsp *mcbsp) -{ - mcbsp->dma_op_mode = MCBSP_DMA_MODE_ELEMENT; - if (cpu_is_omap34xx()) { - /* - * Initially configure the maximum thresholds to a safe value. - * The McBSP FIFO usage with these values should not go under - * 16 locations. - * If the whole FIFO without safety buffer is used, than there - * is a possibility that the DMA will be not able to push the - * new data on time, causing channel shifts in runtime. - */ - mcbsp->max_tx_thres = max_thres(mcbsp) - 0x10; - mcbsp->max_rx_thres = max_thres(mcbsp) - 0x10; - /* - * REVISIT: Set dmap_op_mode to THRESHOLD as default - * for mcbsp2 instances. - */ - if (omap_additional_add(mcbsp->dev)) - dev_warn(mcbsp->dev, - "Unable to create additional controls\n"); - - if (mcbsp->id == 2 || mcbsp->id == 3) - if (omap_st_add(mcbsp)) - dev_warn(mcbsp->dev, - "Unable to create sidetone controls\n"); - - } else { - mcbsp->max_tx_thres = -EINVAL; - mcbsp->max_rx_thres = -EINVAL; - } -} - -static inline void __devexit omap34xx_device_exit(struct omap_mcbsp *mcbsp) -{ - if (cpu_is_omap34xx()) { - omap_additional_remove(mcbsp->dev); - - if (mcbsp->id == 2 || mcbsp->id == 3) - omap_st_remove(mcbsp); - } -} -#else -static inline void __devinit omap34xx_device_init(struct omap_mcbsp *mcbsp) {} -static inline void __devexit omap34xx_device_exit(struct omap_mcbsp *mcbsp) {} -#endif /* CONFIG_ARCH_OMAP3 */ - -/* - * McBSP1 and McBSP3 are directly mapped on 1610 and 1510. - * 730 has only 2 McBSP, and both of them are MPU peripherals. - */ -static int __devinit omap_mcbsp_probe(struct platform_device *pdev) -{ - struct omap_mcbsp_platform_data *pdata = pdev->dev.platform_data; - struct omap_mcbsp *mcbsp; - int id = pdev->id - 1; - int ret = 0; - - if (!pdata) { - dev_err(&pdev->dev, "McBSP device initialized without" - "platform data\n"); - ret = -EINVAL; - goto exit; - } - - dev_dbg(&pdev->dev, "Initializing OMAP McBSP (%d).\n", pdev->id); - - if (id >= omap_mcbsp_count) { - dev_err(&pdev->dev, "Invalid McBSP device id (%d)\n", id); - ret = -EINVAL; - goto exit; - } - - mcbsp = kzalloc(sizeof(struct omap_mcbsp), GFP_KERNEL); - if (!mcbsp) { - ret = -ENOMEM; - goto exit; - } - - spin_lock_init(&mcbsp->lock); - mcbsp->id = id + 1; - mcbsp->free = true; - mcbsp->dma_tx_lch = -1; - mcbsp->dma_rx_lch = -1; - - mcbsp->phys_base = pdata->phys_base; - mcbsp->io_base = ioremap(pdata->phys_base, SZ_4K); - if (!mcbsp->io_base) { - ret = -ENOMEM; - goto err_ioremap; - } - - /* Default I/O is IRQ based */ - mcbsp->io_type = OMAP_MCBSP_IRQ_IO; - mcbsp->tx_irq = pdata->tx_irq; - mcbsp->rx_irq = pdata->rx_irq; - mcbsp->dma_rx_sync = pdata->dma_rx_sync; - mcbsp->dma_tx_sync = pdata->dma_tx_sync; - - mcbsp->iclk = clk_get(&pdev->dev, "ick"); - if (IS_ERR(mcbsp->iclk)) { - ret = PTR_ERR(mcbsp->iclk); - dev_err(&pdev->dev, "unable to get ick: %d\n", ret); - goto err_iclk; - } - - mcbsp->fclk = clk_get(&pdev->dev, "fck"); - if (IS_ERR(mcbsp->fclk)) { - ret = PTR_ERR(mcbsp->fclk); - dev_err(&pdev->dev, "unable to get fck: %d\n", ret); - goto err_fclk; - } - - mcbsp->pdata = pdata; - mcbsp->dev = &pdev->dev; - mcbsp_ptr[id] = mcbsp; - platform_set_drvdata(pdev, mcbsp); - - /* Initialize mcbsp properties for OMAP34XX if needed / applicable */ - omap34xx_device_init(mcbsp); - - return 0; - -err_fclk: - clk_put(mcbsp->iclk); -err_iclk: - iounmap(mcbsp->io_base); -err_ioremap: - kfree(mcbsp); -exit: - return ret; -} - -static int __devexit omap_mcbsp_remove(struct platform_device *pdev) -{ - struct omap_mcbsp *mcbsp = platform_get_drvdata(pdev); - - platform_set_drvdata(pdev, NULL); - if (mcbsp) { - - if (mcbsp->pdata && mcbsp->pdata->ops && - mcbsp->pdata->ops->free) - mcbsp->pdata->ops->free(mcbsp->id); - - omap34xx_device_exit(mcbsp); - - clk_put(mcbsp->fclk); - clk_put(mcbsp->iclk); - - iounmap(mcbsp->io_base); - kfree(mcbsp); - } - - return 0; -} - -static struct platform_driver omap_mcbsp_driver = { - .probe = omap_mcbsp_probe, - .remove = __devexit_p(omap_mcbsp_remove), - .driver = { - .name = "omap-mcbsp", - }, -}; - -int __init omap_mcbsp_init(void) -{ - /* Register the McBSP driver */ - return platform_driver_register(&omap_mcbsp_driver); -} diff --git a/arch/arm/plat-omap/mux.c b/arch/arm/plat-omap/mux.c deleted file mode 100644 index 0d4aa0d5876..00000000000 --- a/arch/arm/plat-omap/mux.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * linux/arch/arm/plat-omap/mux.c - * - * Utility to set the Omap MUX and PULL_DWN registers from a table in mux.h - * - * Copyright (C) 2003 - 2008 Nokia Corporation - * - * Written by Tony Lindgren - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/io.h> -#include <asm/system.h> -#include <linux/spinlock.h> -#include <plat/mux.h> - -#ifdef CONFIG_OMAP_MUX - -static struct omap_mux_cfg *mux_cfg; - -int __init omap_mux_register(struct omap_mux_cfg *arch_mux_cfg) -{ - if (!arch_mux_cfg || !arch_mux_cfg->pins || arch_mux_cfg->size == 0 - || !arch_mux_cfg->cfg_reg) { - printk(KERN_ERR "Invalid pin table\n"); - return -EINVAL; - } - - mux_cfg = arch_mux_cfg; - - return 0; -} - -/* - * Sets the Omap MUX and PULL_DWN registers based on the table - */ -int __init_or_module omap_cfg_reg(const unsigned long index) -{ - struct pin_config *reg; - - if (!cpu_class_is_omap1()) { - printk(KERN_ERR "mux: Broken omap_cfg_reg(%lu) entry\n", - index); - WARN_ON(1); - return -EINVAL; - } - - if (mux_cfg == NULL) { - printk(KERN_ERR "Pin mux table not initialized\n"); - return -ENODEV; - } - - if (index >= mux_cfg->size) { - printk(KERN_ERR "Invalid pin mux index: %lu (%lu)\n", - index, mux_cfg->size); - dump_stack(); - return -ENODEV; - } - - reg = (struct pin_config *)&mux_cfg->pins[index]; - - if (!mux_cfg->cfg_reg) - return -ENODEV; - - return mux_cfg->cfg_reg(reg); -} -EXPORT_SYMBOL(omap_cfg_reg); -#else -#define omap_mux_init() do {} while(0) -#define omap_cfg_reg(x) do {} while(0) -#endif /* CONFIG_OMAP_MUX */ diff --git a/arch/arm/plat-omap/ocpi.c b/arch/arm/plat-omap/ocpi.c deleted file mode 100644 index ebe0c73c890..00000000000 --- a/arch/arm/plat-omap/ocpi.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * linux/arch/arm/plat-omap/ocpi.c - * - * Minimal OCP bus support for omap16xx - * - * Copyright (C) 2003 - 2005 Nokia Corporation - * Written by Tony Lindgren <tony@atomide.com> - * - * Modified for clock framework by Paul Mundt <paul.mundt@nokia.com>. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/io.h> - -#include <mach/hardware.h> - -#define OCPI_BASE 0xfffec320 -#define OCPI_FAULT (OCPI_BASE + 0x00) -#define OCPI_CMD_FAULT (OCPI_BASE + 0x04) -#define OCPI_SINT0 (OCPI_BASE + 0x08) -#define OCPI_TABORT (OCPI_BASE + 0x0c) -#define OCPI_SINT1 (OCPI_BASE + 0x10) -#define OCPI_PROT (OCPI_BASE + 0x14) -#define OCPI_SEC (OCPI_BASE + 0x18) - -/* USB OHCI OCPI access error registers */ -#define HOSTUEADDR 0xfffba0e0 -#define HOSTUESTATUS 0xfffba0e4 - -static struct clk *ocpi_ck; - -/* - * Enables device access to OMAP buses via the OCPI bridge - * FIXME: Add locking - */ -int ocpi_enable(void) -{ - unsigned int val; - - if (!cpu_is_omap16xx()) - return -ENODEV; - - /* Enable access for OHCI in OCPI */ - val = omap_readl(OCPI_PROT); - val &= ~0xff; - //val &= (1 << 0); /* Allow access only to EMIFS */ - omap_writel(val, OCPI_PROT); - - val = omap_readl(OCPI_SEC); - val &= ~0xff; - omap_writel(val, OCPI_SEC); - - return 0; -} -EXPORT_SYMBOL(ocpi_enable); - -static int __init omap_ocpi_init(void) -{ - if (!cpu_is_omap16xx()) - return -ENODEV; - - ocpi_ck = clk_get(NULL, "l3_ocpi_ck"); - if (IS_ERR(ocpi_ck)) - return PTR_ERR(ocpi_ck); - - clk_enable(ocpi_ck); - ocpi_enable(); - printk("OMAP OCPI interconnect driver loaded\n"); - - return 0; -} - -static void __exit omap_ocpi_exit(void) -{ - /* REVISIT: Disable OCPI */ - - if (!cpu_is_omap16xx()) - return; - - clk_disable(ocpi_ck); - clk_put(ocpi_ck); -} - -MODULE_AUTHOR("Tony Lindgren <tony@atomide.com>"); -MODULE_DESCRIPTION("OMAP OCPI bus controller module"); -MODULE_LICENSE("GPL"); -module_init(omap_ocpi_init); -module_exit(omap_ocpi_exit); diff --git a/arch/arm/plat-omap/omap-pm-noop.c b/arch/arm/plat-omap/omap-pm-noop.c deleted file mode 100644 index b0471bb2d47..00000000000 --- a/arch/arm/plat-omap/omap-pm-noop.c +++ /dev/null @@ -1,363 +0,0 @@ -/* - * omap-pm-noop.c - OMAP power management interface - dummy version - * - * This code implements the OMAP power management interface to - * drivers, CPUIdle, CPUFreq, and DSP Bridge. It is strictly for - * debug/demonstration use, as it does nothing but printk() whenever a - * function is called (when DEBUG is defined, below) - * - * Copyright (C) 2008-2009 Texas Instruments, Inc. - * Copyright (C) 2008-2009 Nokia Corporation - * Paul Walmsley - * - * Interface developed by (in alphabetical order): - * Karthik Dasu, Tony Lindgren, Rajendra Nayak, Sakari Poussa, Veeramanikandan - * Raju, Anand Sawant, Igor Stoppa, Paul Walmsley, Richard Woodruff - */ - -#undef DEBUG - -#include <linux/init.h> -#include <linux/cpufreq.h> -#include <linux/device.h> -#include <linux/platform_device.h> - -/* Interface documentation is in mach/omap-pm.h */ -#include <plat/omap-pm.h> -#include <plat/omap_device.h> - -static bool off_mode_enabled; -static u32 dummy_context_loss_counter; - -/* - * Device-driver-originated constraints (via board-*.c files) - */ - -int omap_pm_set_max_mpu_wakeup_lat(struct device *dev, long t) -{ - if (!dev || t < -1) { - WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__); - return -EINVAL; - }; - - if (t == -1) - pr_debug("OMAP PM: remove max MPU wakeup latency constraint: " - "dev %s\n", dev_name(dev)); - else - pr_debug("OMAP PM: add max MPU wakeup latency constraint: " - "dev %s, t = %ld usec\n", dev_name(dev), t); - - /* - * For current Linux, this needs to map the MPU to a - * powerdomain, then go through the list of current max lat - * constraints on the MPU and find the smallest. If - * the latency constraint has changed, the code should - * recompute the state to enter for the next powerdomain - * state. - * - * TI CDP code can call constraint_set here. - */ - - return 0; -} - -int omap_pm_set_min_bus_tput(struct device *dev, u8 agent_id, unsigned long r) -{ - if (!dev || (agent_id != OCP_INITIATOR_AGENT && - agent_id != OCP_TARGET_AGENT)) { - WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__); - return -EINVAL; - }; - - if (r == 0) - pr_debug("OMAP PM: remove min bus tput constraint: " - "dev %s for agent_id %d\n", dev_name(dev), agent_id); - else - pr_debug("OMAP PM: add min bus tput constraint: " - "dev %s for agent_id %d: rate %ld KiB\n", - dev_name(dev), agent_id, r); - - /* - * This code should model the interconnect and compute the - * required clock frequency, convert that to a VDD2 OPP ID, then - * set the VDD2 OPP appropriately. - * - * TI CDP code can call constraint_set here on the VDD2 OPP. - */ - - return 0; -} - -int omap_pm_set_max_dev_wakeup_lat(struct device *req_dev, struct device *dev, - long t) -{ - if (!req_dev || !dev || t < -1) { - WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__); - return -EINVAL; - }; - - if (t == -1) - pr_debug("OMAP PM: remove max device latency constraint: " - "dev %s\n", dev_name(dev)); - else - pr_debug("OMAP PM: add max device latency constraint: " - "dev %s, t = %ld usec\n", dev_name(dev), t); - - /* - * For current Linux, this needs to map the device to a - * powerdomain, then go through the list of current max lat - * constraints on that powerdomain and find the smallest. If - * the latency constraint has changed, the code should - * recompute the state to enter for the next powerdomain - * state. Conceivably, this code should also determine - * whether to actually disable the device clocks or not, - * depending on how long it takes to re-enable the clocks. - * - * TI CDP code can call constraint_set here. - */ - - return 0; -} - -int omap_pm_set_max_sdma_lat(struct device *dev, long t) -{ - if (!dev || t < -1) { - WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__); - return -EINVAL; - }; - - if (t == -1) - pr_debug("OMAP PM: remove max DMA latency constraint: " - "dev %s\n", dev_name(dev)); - else - pr_debug("OMAP PM: add max DMA latency constraint: " - "dev %s, t = %ld usec\n", dev_name(dev), t); - - /* - * For current Linux PM QOS params, this code should scan the - * list of maximum CPU and DMA latencies and select the - * smallest, then set cpu_dma_latency pm_qos_param - * accordingly. - * - * For future Linux PM QOS params, with separate CPU and DMA - * latency params, this code should just set the dma_latency param. - * - * TI CDP code can call constraint_set here. - */ - - return 0; -} - -int omap_pm_set_min_clk_rate(struct device *dev, struct clk *c, long r) -{ - if (!dev || !c || r < 0) { - WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__); - return -EINVAL; - } - - if (r == 0) - pr_debug("OMAP PM: remove min clk rate constraint: " - "dev %s\n", dev_name(dev)); - else - pr_debug("OMAP PM: add min clk rate constraint: " - "dev %s, rate = %ld Hz\n", dev_name(dev), r); - - /* - * Code in a real implementation should keep track of these - * constraints on the clock, and determine the highest minimum - * clock rate. It should iterate over each OPP and determine - * whether the OPP will result in a clock rate that would - * satisfy this constraint (and any other PM constraint in effect - * at that time). Once it finds the lowest-voltage OPP that - * meets those conditions, it should switch to it, or return - * an error if the code is not capable of doing so. - */ - - return 0; -} - -/* - * DSP Bridge-specific constraints - */ - -const struct omap_opp *omap_pm_dsp_get_opp_table(void) -{ - pr_debug("OMAP PM: DSP request for OPP table\n"); - - /* - * Return DSP frequency table here: The final item in the - * array should have .rate = .opp_id = 0. - */ - - return NULL; -} - -void omap_pm_dsp_set_min_opp(u8 opp_id) -{ - if (opp_id == 0) { - WARN_ON(1); - return; - } - - pr_debug("OMAP PM: DSP requests minimum VDD1 OPP to be %d\n", opp_id); - - /* - * - * For l-o dev tree, our VDD1 clk is keyed on OPP ID, so we - * can just test to see which is higher, the CPU's desired OPP - * ID or the DSP's desired OPP ID, and use whichever is - * highest. - * - * In CDP12.14+, the VDD1 OPP custom clock that controls the DSP - * rate is keyed on MPU speed, not the OPP ID. So we need to - * map the OPP ID to the MPU speed for use with clk_set_rate() - * if it is higher than the current OPP clock rate. - * - */ -} - - -u8 omap_pm_dsp_get_opp(void) -{ - pr_debug("OMAP PM: DSP requests current DSP OPP ID\n"); - - /* - * For l-o dev tree, call clk_get_rate() on VDD1 OPP clock - * - * CDP12.14+: - * Call clk_get_rate() on the OPP custom clock, map that to an - * OPP ID using the tables defined in board-*.c/chip-*.c files. - */ - - return 0; -} - -/* - * CPUFreq-originated constraint - * - * In the future, this should be handled by custom OPP clocktype - * functions. - */ - -struct cpufreq_frequency_table **omap_pm_cpu_get_freq_table(void) -{ - pr_debug("OMAP PM: CPUFreq request for frequency table\n"); - - /* - * Return CPUFreq frequency table here: loop over - * all VDD1 clkrates, pull out the mpu_ck frequencies, build - * table - */ - - return NULL; -} - -void omap_pm_cpu_set_freq(unsigned long f) -{ - if (f == 0) { - WARN_ON(1); - return; - } - - pr_debug("OMAP PM: CPUFreq requests CPU frequency to be set to %lu\n", - f); - - /* - * For l-o dev tree, determine whether MPU freq or DSP OPP id - * freq is higher. Find the OPP ID corresponding to the - * higher frequency. Call clk_round_rate() and clk_set_rate() - * on the OPP custom clock. - * - * CDP should just be able to set the VDD1 OPP clock rate here. - */ -} - -unsigned long omap_pm_cpu_get_freq(void) -{ - pr_debug("OMAP PM: CPUFreq requests current CPU frequency\n"); - - /* - * Call clk_get_rate() on the mpu_ck. - */ - - return 0; -} - -/** - * omap_pm_enable_off_mode - notify OMAP PM that off-mode is enabled - * - * Intended for use only by OMAP PM core code to notify this layer - * that off mode has been enabled. - */ -void omap_pm_enable_off_mode(void) -{ - off_mode_enabled = true; -} - -/** - * omap_pm_disable_off_mode - notify OMAP PM that off-mode is disabled - * - * Intended for use only by OMAP PM core code to notify this layer - * that off mode has been disabled. - */ -void omap_pm_disable_off_mode(void) -{ - off_mode_enabled = false; -} - -/* - * Device context loss tracking - */ - -#ifdef CONFIG_ARCH_OMAP2PLUS - -u32 omap_pm_get_dev_context_loss_count(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - u32 count; - - if (WARN_ON(!dev)) - return 0; - - if (dev->parent == &omap_device_parent) { - count = omap_device_get_context_loss_count(pdev); - } else { - WARN_ONCE(off_mode_enabled, "omap_pm: using dummy context loss counter; device %s should be converted to omap_device", - dev_name(dev)); - if (off_mode_enabled) - dummy_context_loss_counter++; - count = dummy_context_loss_counter; - } - - pr_debug("OMAP PM: context loss count for dev %s = %d\n", - dev_name(dev), count); - - return count; -} - -#else - -u32 omap_pm_get_dev_context_loss_count(struct device *dev) -{ - return dummy_context_loss_counter; -} - -#endif - -/* Should be called before clk framework init */ -int __init omap_pm_if_early_init(void) -{ - return 0; -} - -/* Must be called after clock framework is initialized */ -int __init omap_pm_if_init(void) -{ - return 0; -} - -void omap_pm_if_exit(void) -{ - /* Deallocate CPUFreq frequency table here */ -} - diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c deleted file mode 100644 index 57adb270767..00000000000 --- a/arch/arm/plat-omap/omap_device.c +++ /dev/null @@ -1,813 +0,0 @@ -/* - * omap_device implementation - * - * Copyright (C) 2009-2010 Nokia Corporation - * Paul Walmsley, Kevin Hilman - * - * Developed in collaboration with (alphabetical order): Benoit - * Cousson, Thara Gopinath, Tony Lindgren, Rajendra Nayak, Vikram - * Pandita, Sakari Poussa, Anand Sawant, Santosh Shilimkar, Richard - * Woodruff - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This code provides a consistent interface for OMAP device drivers - * to control power management and interconnect properties of their - * devices. - * - * In the medium- to long-term, this code should either be - * a) implemented via arch-specific pointers in platform_data - * or - * b) implemented as a proper omap_bus/omap_device in Linux, no more - * platform_data func pointers - * - * - * Guidelines for usage by driver authors: - * - * 1. These functions are intended to be used by device drivers via - * function pointers in struct platform_data. As an example, - * omap_device_enable() should be passed to the driver as - * - * struct foo_driver_platform_data { - * ... - * int (*device_enable)(struct platform_device *pdev); - * ... - * } - * - * Note that the generic "device_enable" name is used, rather than - * "omap_device_enable". This is so other architectures can pass in their - * own enable/disable functions here. - * - * This should be populated during device setup: - * - * ... - * pdata->device_enable = omap_device_enable; - * ... - * - * 2. Drivers should first check to ensure the function pointer is not null - * before calling it, as in: - * - * if (pdata->device_enable) - * pdata->device_enable(pdev); - * - * This allows other architectures that don't use similar device_enable()/ - * device_shutdown() functions to execute normally. - * - * ... - * - * Suggested usage by device drivers: - * - * During device initialization: - * device_enable() - * - * During device idle: - * (save remaining device context if necessary) - * device_idle(); - * - * During device resume: - * device_enable(); - * (restore context if necessary) - * - * During device shutdown: - * device_shutdown() - * (device must be reinitialized at this point to use it again) - * - */ -#undef DEBUG - -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/clk.h> - -#include <plat/omap_device.h> -#include <plat/omap_hwmod.h> - -/* These parameters are passed to _omap_device_{de,}activate() */ -#define USE_WAKEUP_LAT 0 -#define IGNORE_WAKEUP_LAT 1 - -/* Private functions */ - -/** - * _omap_device_activate - increase device readiness - * @od: struct omap_device * - * @ignore_lat: increase to latency target (0) or full readiness (1)? - * - * Increase readiness of omap_device @od (thus decreasing device - * wakeup latency, but consuming more power). If @ignore_lat is - * IGNORE_WAKEUP_LAT, make the omap_device fully active. Otherwise, - * if @ignore_lat is USE_WAKEUP_LAT, and the device's maximum wakeup - * latency is greater than the requested maximum wakeup latency, step - * backwards in the omap_device_pm_latency table to ensure the - * device's maximum wakeup latency is less than or equal to the - * requested maximum wakeup latency. Returns 0. - */ -static int _omap_device_activate(struct omap_device *od, u8 ignore_lat) -{ - struct timespec a, b, c; - - pr_debug("omap_device: %s: activating\n", od->pdev.name); - - while (od->pm_lat_level > 0) { - struct omap_device_pm_latency *odpl; - unsigned long long act_lat = 0; - - od->pm_lat_level--; - - odpl = od->pm_lats + od->pm_lat_level; - - if (!ignore_lat && - (od->dev_wakeup_lat <= od->_dev_wakeup_lat_limit)) - break; - - read_persistent_clock(&a); - - /* XXX check return code */ - odpl->activate_func(od); - - read_persistent_clock(&b); - - c = timespec_sub(b, a); - act_lat = timespec_to_ns(&c); - - pr_debug("omap_device: %s: pm_lat %d: activate: elapsed time " - "%llu nsec\n", od->pdev.name, od->pm_lat_level, - act_lat); - - if (act_lat > odpl->activate_lat) { - odpl->activate_lat_worst = act_lat; - if (odpl->flags & OMAP_DEVICE_LATENCY_AUTO_ADJUST) { - odpl->activate_lat = act_lat; - pr_warning("omap_device: %s.%d: new worst case " - "activate latency %d: %llu\n", - od->pdev.name, od->pdev.id, - od->pm_lat_level, act_lat); - } else - pr_warning("omap_device: %s.%d: activate " - "latency %d higher than exptected. " - "(%llu > %d)\n", - od->pdev.name, od->pdev.id, - od->pm_lat_level, act_lat, - odpl->activate_lat); - } - - od->dev_wakeup_lat -= odpl->activate_lat; - } - - return 0; -} - -/** - * _omap_device_deactivate - decrease device readiness - * @od: struct omap_device * - * @ignore_lat: decrease to latency target (0) or full inactivity (1)? - * - * Decrease readiness of omap_device @od (thus increasing device - * wakeup latency, but conserving power). If @ignore_lat is - * IGNORE_WAKEUP_LAT, make the omap_device fully inactive. Otherwise, - * if @ignore_lat is USE_WAKEUP_LAT, and the device's maximum wakeup - * latency is less than the requested maximum wakeup latency, step - * forwards in the omap_device_pm_latency table to ensure the device's - * maximum wakeup latency is less than or equal to the requested - * maximum wakeup latency. Returns 0. - */ -static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat) -{ - struct timespec a, b, c; - - pr_debug("omap_device: %s: deactivating\n", od->pdev.name); - - while (od->pm_lat_level < od->pm_lats_cnt) { - struct omap_device_pm_latency *odpl; - unsigned long long deact_lat = 0; - - odpl = od->pm_lats + od->pm_lat_level; - - if (!ignore_lat && - ((od->dev_wakeup_lat + odpl->activate_lat) > - od->_dev_wakeup_lat_limit)) - break; - - read_persistent_clock(&a); - - /* XXX check return code */ - odpl->deactivate_func(od); - - read_persistent_clock(&b); - - c = timespec_sub(b, a); - deact_lat = timespec_to_ns(&c); - - pr_debug("omap_device: %s: pm_lat %d: deactivate: elapsed time " - "%llu nsec\n", od->pdev.name, od->pm_lat_level, - deact_lat); - - if (deact_lat > odpl->deactivate_lat) { - odpl->deactivate_lat_worst = deact_lat; - if (odpl->flags & OMAP_DEVICE_LATENCY_AUTO_ADJUST) { - odpl->deactivate_lat = deact_lat; - pr_warning("omap_device: %s.%d: new worst case " - "deactivate latency %d: %llu\n", - od->pdev.name, od->pdev.id, - od->pm_lat_level, deact_lat); - } else - pr_warning("omap_device: %s.%d: deactivate " - "latency %d higher than exptected. " - "(%llu > %d)\n", - od->pdev.name, od->pdev.id, - od->pm_lat_level, deact_lat, - odpl->deactivate_lat); - } - - - od->dev_wakeup_lat += odpl->activate_lat; - - od->pm_lat_level++; - } - - return 0; -} - -static inline struct omap_device *_find_by_pdev(struct platform_device *pdev) -{ - return container_of(pdev, struct omap_device, pdev); -} - -/** - * _add_optional_clock_alias - Add clock alias for hwmod optional clocks - * @od: struct omap_device *od - * - * For every optional clock present per hwmod per omap_device, this function - * adds an entry in the clocks list of the form <dev-id=dev_name, con-id=role> - * if an entry is already present in it with the form <dev-id=NULL, con-id=role> - * - * The function is called from inside omap_device_build_ss(), after - * omap_device_register. - * - * This allows drivers to get a pointer to its optional clocks based on its role - * by calling clk_get(<dev*>, <role>). - * - * No return value. - */ -static void _add_optional_clock_alias(struct omap_device *od, - struct omap_hwmod *oh) -{ - int i; - - for (i = 0; i < oh->opt_clks_cnt; i++) { - struct omap_hwmod_opt_clk *oc; - int r; - - oc = &oh->opt_clks[i]; - - if (!oc->_clk) - continue; - - r = clk_add_alias(oc->role, dev_name(&od->pdev.dev), - (char *)oc->clk, &od->pdev.dev); - if (r) - pr_err("omap_device: %s: clk_add_alias for %s failed\n", - dev_name(&od->pdev.dev), oc->role); - } -} - - -/* Public functions for use by core code */ - -/** - * omap_device_get_context_loss_count - get lost context count - * @od: struct omap_device * - * - * Using the primary hwmod, query the context loss count for this - * device. - * - * Callers should consider context for this device lost any time this - * function returns a value different than the value the caller got - * the last time it called this function. - * - * If any hwmods exist for the omap_device assoiated with @pdev, - * return the context loss counter for that hwmod, otherwise return - * zero. - */ -u32 omap_device_get_context_loss_count(struct platform_device *pdev) -{ - struct omap_device *od; - u32 ret = 0; - - od = _find_by_pdev(pdev); - - if (od->hwmods_cnt) - ret = omap_hwmod_get_context_loss_count(od->hwmods[0]); - - return ret; -} - -/** - * omap_device_count_resources - count number of struct resource entries needed - * @od: struct omap_device * - * - * Count the number of struct resource entries needed for this - * omap_device @od. Used by omap_device_build_ss() to determine how - * much memory to allocate before calling - * omap_device_fill_resources(). Returns the count. - */ -int omap_device_count_resources(struct omap_device *od) -{ - int c = 0; - int i; - - for (i = 0; i < od->hwmods_cnt; i++) - c += omap_hwmod_count_resources(od->hwmods[i]); - - pr_debug("omap_device: %s: counted %d total resources across %d " - "hwmods\n", od->pdev.name, c, od->hwmods_cnt); - - return c; -} - -/** - * omap_device_fill_resources - fill in array of struct resource - * @od: struct omap_device * - * @res: pointer to an array of struct resource to be filled in - * - * Populate one or more empty struct resource pointed to by @res with - * the resource data for this omap_device @od. Used by - * omap_device_build_ss() after calling omap_device_count_resources(). - * Ideally this function would not be needed at all. If omap_device - * replaces platform_device, then we can specify our own - * get_resource()/ get_irq()/etc functions that use the underlying - * omap_hwmod information. Or if platform_device is extended to use - * subarchitecture-specific function pointers, the various - * platform_device functions can simply call omap_device internal - * functions to get device resources. Hacking around the existing - * platform_device code wastes memory. Returns 0. - */ -int omap_device_fill_resources(struct omap_device *od, struct resource *res) -{ - int c = 0; - int i, r; - - for (i = 0; i < od->hwmods_cnt; i++) { - r = omap_hwmod_fill_resources(od->hwmods[i], res); - res += r; - c += r; - } - - return 0; -} - -/** - * omap_device_build - build and register an omap_device with one omap_hwmod - * @pdev_name: name of the platform_device driver to use - * @pdev_id: this platform_device's connection ID - * @oh: ptr to the single omap_hwmod that backs this omap_device - * @pdata: platform_data ptr to associate with the platform_device - * @pdata_len: amount of memory pointed to by @pdata - * @pm_lats: pointer to a omap_device_pm_latency array for this device - * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats - * @is_early_device: should the device be registered as an early device or not - * - * Convenience function for building and registering a single - * omap_device record, which in turn builds and registers a - * platform_device record. See omap_device_build_ss() for more - * information. Returns ERR_PTR(-EINVAL) if @oh is NULL; otherwise, - * passes along the return value of omap_device_build_ss(). - */ -struct omap_device *omap_device_build(const char *pdev_name, int pdev_id, - struct omap_hwmod *oh, void *pdata, - int pdata_len, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt, int is_early_device) -{ - struct omap_hwmod *ohs[] = { oh }; - - if (!oh) - return ERR_PTR(-EINVAL); - - return omap_device_build_ss(pdev_name, pdev_id, ohs, 1, pdata, - pdata_len, pm_lats, pm_lats_cnt, - is_early_device); -} - -/** - * omap_device_build_ss - build and register an omap_device with multiple hwmods - * @pdev_name: name of the platform_device driver to use - * @pdev_id: this platform_device's connection ID - * @oh: ptr to the single omap_hwmod that backs this omap_device - * @pdata: platform_data ptr to associate with the platform_device - * @pdata_len: amount of memory pointed to by @pdata - * @pm_lats: pointer to a omap_device_pm_latency array for this device - * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats - * @is_early_device: should the device be registered as an early device or not - * - * Convenience function for building and registering an omap_device - * subsystem record. Subsystem records consist of multiple - * omap_hwmods. This function in turn builds and registers a - * platform_device record. Returns an ERR_PTR() on error, or passes - * along the return value of omap_device_register(). - */ -struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id, - struct omap_hwmod **ohs, int oh_cnt, - void *pdata, int pdata_len, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt, int is_early_device) -{ - int ret = -ENOMEM; - struct omap_device *od; - char *pdev_name2; - struct resource *res = NULL; - int i, res_count; - struct omap_hwmod **hwmods; - - if (!ohs || oh_cnt == 0 || !pdev_name) - return ERR_PTR(-EINVAL); - - if (!pdata && pdata_len > 0) - return ERR_PTR(-EINVAL); - - pr_debug("omap_device: %s: building with %d hwmods\n", pdev_name, - oh_cnt); - - od = kzalloc(sizeof(struct omap_device), GFP_KERNEL); - if (!od) - return ERR_PTR(-ENOMEM); - - od->hwmods_cnt = oh_cnt; - - hwmods = kzalloc(sizeof(struct omap_hwmod *) * oh_cnt, - GFP_KERNEL); - if (!hwmods) - goto odbs_exit1; - - memcpy(hwmods, ohs, sizeof(struct omap_hwmod *) * oh_cnt); - od->hwmods = hwmods; - - pdev_name2 = kzalloc(strlen(pdev_name) + 1, GFP_KERNEL); - if (!pdev_name2) - goto odbs_exit2; - strcpy(pdev_name2, pdev_name); - - od->pdev.name = pdev_name2; - od->pdev.id = pdev_id; - - res_count = omap_device_count_resources(od); - if (res_count > 0) { - res = kzalloc(sizeof(struct resource) * res_count, GFP_KERNEL); - if (!res) - goto odbs_exit3; - } - omap_device_fill_resources(od, res); - - od->pdev.num_resources = res_count; - od->pdev.resource = res; - - ret = platform_device_add_data(&od->pdev, pdata, pdata_len); - if (ret) - goto odbs_exit4; - - od->pm_lats = pm_lats; - od->pm_lats_cnt = pm_lats_cnt; - - if (is_early_device) - ret = omap_early_device_register(od); - else - ret = omap_device_register(od); - - for (i = 0; i < oh_cnt; i++) { - hwmods[i]->od = od; - _add_optional_clock_alias(od, hwmods[i]); - } - - if (ret) - goto odbs_exit4; - - return od; - -odbs_exit4: - kfree(res); -odbs_exit3: - kfree(pdev_name2); -odbs_exit2: - kfree(hwmods); -odbs_exit1: - kfree(od); - - pr_err("omap_device: %s: build failed (%d)\n", pdev_name, ret); - - return ERR_PTR(ret); -} - -/** - * omap_early_device_register - register an omap_device as an early platform - * device. - * @od: struct omap_device * to register - * - * Register the omap_device structure. This currently just calls - * platform_early_add_device() on the underlying platform_device. - * Returns 0 by default. - */ -int omap_early_device_register(struct omap_device *od) -{ - struct platform_device *devices[1]; - - devices[0] = &(od->pdev); - early_platform_add_devices(devices, 1); - return 0; -} - -/** - * omap_device_register - register an omap_device with one omap_hwmod - * @od: struct omap_device * to register - * - * Register the omap_device structure. This currently just calls - * platform_device_register() on the underlying platform_device. - * Returns the return value of platform_device_register(). - */ -int omap_device_register(struct omap_device *od) -{ - pr_debug("omap_device: %s: registering\n", od->pdev.name); - - od->pdev.dev.parent = &omap_device_parent; - return platform_device_register(&od->pdev); -} - - -/* Public functions for use by device drivers through struct platform_data */ - -/** - * omap_device_enable - fully activate an omap_device - * @od: struct omap_device * to activate - * - * Do whatever is necessary for the hwmods underlying omap_device @od - * to be accessible and ready to operate. This generally involves - * enabling clocks, setting SYSCONFIG registers; and in the future may - * involve remuxing pins. Device drivers should call this function - * (through platform_data function pointers) where they would normally - * enable clocks, etc. Returns -EINVAL if called when the omap_device - * is already enabled, or passes along the return value of - * _omap_device_activate(). - */ -int omap_device_enable(struct platform_device *pdev) -{ - int ret; - struct omap_device *od; - - od = _find_by_pdev(pdev); - - if (od->_state == OMAP_DEVICE_STATE_ENABLED) { - WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n", - od->pdev.name, od->pdev.id, __func__, od->_state); - return -EINVAL; - } - - /* Enable everything if we're enabling this device from scratch */ - if (od->_state == OMAP_DEVICE_STATE_UNKNOWN) - od->pm_lat_level = od->pm_lats_cnt; - - ret = _omap_device_activate(od, IGNORE_WAKEUP_LAT); - - od->dev_wakeup_lat = 0; - od->_dev_wakeup_lat_limit = UINT_MAX; - od->_state = OMAP_DEVICE_STATE_ENABLED; - - return ret; -} - -/** - * omap_device_idle - idle an omap_device - * @od: struct omap_device * to idle - * - * Idle omap_device @od by calling as many .deactivate_func() entries - * in the omap_device's pm_lats table as is possible without exceeding - * the device's maximum wakeup latency limit, pm_lat_limit. Device - * drivers should call this function (through platform_data function - * pointers) where they would normally disable clocks after operations - * complete, etc.. Returns -EINVAL if the omap_device is not - * currently enabled, or passes along the return value of - * _omap_device_deactivate(). - */ -int omap_device_idle(struct platform_device *pdev) -{ - int ret; - struct omap_device *od; - - od = _find_by_pdev(pdev); - - if (od->_state != OMAP_DEVICE_STATE_ENABLED) { - WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n", - od->pdev.name, od->pdev.id, __func__, od->_state); - return -EINVAL; - } - - ret = _omap_device_deactivate(od, USE_WAKEUP_LAT); - - od->_state = OMAP_DEVICE_STATE_IDLE; - - return ret; -} - -/** - * omap_device_shutdown - shut down an omap_device - * @od: struct omap_device * to shut down - * - * Shut down omap_device @od by calling all .deactivate_func() entries - * in the omap_device's pm_lats table and then shutting down all of - * the underlying omap_hwmods. Used when a device is being "removed" - * or a device driver is being unloaded. Returns -EINVAL if the - * omap_device is not currently enabled or idle, or passes along the - * return value of _omap_device_deactivate(). - */ -int omap_device_shutdown(struct platform_device *pdev) -{ - int ret, i; - struct omap_device *od; - - od = _find_by_pdev(pdev); - - if (od->_state != OMAP_DEVICE_STATE_ENABLED && - od->_state != OMAP_DEVICE_STATE_IDLE) { - WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n", - od->pdev.name, od->pdev.id, __func__, od->_state); - return -EINVAL; - } - - ret = _omap_device_deactivate(od, IGNORE_WAKEUP_LAT); - - for (i = 0; i < od->hwmods_cnt; i++) - omap_hwmod_shutdown(od->hwmods[i]); - - od->_state = OMAP_DEVICE_STATE_SHUTDOWN; - - return ret; -} - -/** - * omap_device_align_pm_lat - activate/deactivate device to match wakeup lat lim - * @od: struct omap_device * - * - * When a device's maximum wakeup latency limit changes, call some of - * the .activate_func or .deactivate_func function pointers in the - * omap_device's pm_lats array to ensure that the device's maximum - * wakeup latency is less than or equal to the new latency limit. - * Intended to be called by OMAP PM code whenever a device's maximum - * wakeup latency limit changes (e.g., via - * omap_pm_set_dev_wakeup_lat()). Returns 0 if nothing needs to be - * done (e.g., if the omap_device is not currently idle, or if the - * wakeup latency is already current with the new limit) or passes - * along the return value of _omap_device_deactivate() or - * _omap_device_activate(). - */ -int omap_device_align_pm_lat(struct platform_device *pdev, - u32 new_wakeup_lat_limit) -{ - int ret = -EINVAL; - struct omap_device *od; - - od = _find_by_pdev(pdev); - - if (new_wakeup_lat_limit == od->dev_wakeup_lat) - return 0; - - od->_dev_wakeup_lat_limit = new_wakeup_lat_limit; - - if (od->_state != OMAP_DEVICE_STATE_IDLE) - return 0; - else if (new_wakeup_lat_limit > od->dev_wakeup_lat) - ret = _omap_device_deactivate(od, USE_WAKEUP_LAT); - else if (new_wakeup_lat_limit < od->dev_wakeup_lat) - ret = _omap_device_activate(od, USE_WAKEUP_LAT); - - return ret; -} - -/** - * omap_device_get_pwrdm - return the powerdomain * associated with @od - * @od: struct omap_device * - * - * Return the powerdomain associated with the first underlying - * omap_hwmod for this omap_device. Intended for use by core OMAP PM - * code. Returns NULL on error or a struct powerdomain * upon - * success. - */ -struct powerdomain *omap_device_get_pwrdm(struct omap_device *od) -{ - /* - * XXX Assumes that all omap_hwmod powerdomains are identical. - * This may not necessarily be true. There should be a sanity - * check in here to WARN() if any difference appears. - */ - if (!od->hwmods_cnt) - return NULL; - - return omap_hwmod_get_pwrdm(od->hwmods[0]); -} - -/** - * omap_device_get_mpu_rt_va - return the MPU's virtual addr for the hwmod base - * @od: struct omap_device * - * - * Return the MPU's virtual address for the base of the hwmod, from - * the ioremap() that the hwmod code does. Only valid if there is one - * hwmod associated with this device. Returns NULL if there are zero - * or more than one hwmods associated with this omap_device; - * otherwise, passes along the return value from - * omap_hwmod_get_mpu_rt_va(). - */ -void __iomem *omap_device_get_rt_va(struct omap_device *od) -{ - if (od->hwmods_cnt != 1) - return NULL; - - return omap_hwmod_get_mpu_rt_va(od->hwmods[0]); -} - -/* - * Public functions intended for use in omap_device_pm_latency - * .activate_func and .deactivate_func function pointers - */ - -/** - * omap_device_enable_hwmods - call omap_hwmod_enable() on all hwmods - * @od: struct omap_device *od - * - * Enable all underlying hwmods. Returns 0. - */ -int omap_device_enable_hwmods(struct omap_device *od) -{ - int i; - - for (i = 0; i < od->hwmods_cnt; i++) - omap_hwmod_enable(od->hwmods[i]); - - /* XXX pass along return value here? */ - return 0; -} - -/** - * omap_device_idle_hwmods - call omap_hwmod_idle() on all hwmods - * @od: struct omap_device *od - * - * Idle all underlying hwmods. Returns 0. - */ -int omap_device_idle_hwmods(struct omap_device *od) -{ - int i; - - for (i = 0; i < od->hwmods_cnt; i++) - omap_hwmod_idle(od->hwmods[i]); - - /* XXX pass along return value here? */ - return 0; -} - -/** - * omap_device_disable_clocks - disable all main and interface clocks - * @od: struct omap_device *od - * - * Disable the main functional clock and interface clock for all of the - * omap_hwmods associated with the omap_device. Returns 0. - */ -int omap_device_disable_clocks(struct omap_device *od) -{ - int i; - - for (i = 0; i < od->hwmods_cnt; i++) - omap_hwmod_disable_clocks(od->hwmods[i]); - - /* XXX pass along return value here? */ - return 0; -} - -/** - * omap_device_enable_clocks - enable all main and interface clocks - * @od: struct omap_device *od - * - * Enable the main functional clock and interface clock for all of the - * omap_hwmods associated with the omap_device. Returns 0. - */ -int omap_device_enable_clocks(struct omap_device *od) -{ - int i; - - for (i = 0; i < od->hwmods_cnt; i++) - omap_hwmod_enable_clocks(od->hwmods[i]); - - /* XXX pass along return value here? */ - return 0; -} - -struct device omap_device_parent = { - .init_name = "omap", - .parent = &platform_bus, -}; - -static int __init omap_device_init(void) -{ - return device_register(&omap_device_parent); -} -core_initcall(omap_device_init); diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index e26e50487d6..a5bc92d7e47 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -6,8 +6,8 @@ * Copyright (C) 2005 Nokia Corporation * Written by Tony Lindgren <tony@atomide.com> * - * Copyright (C) 2009 Texas Instruments - * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> + * Copyright (C) 2009-2012 Texas Instruments + * Added OMAP4/5 support - Santosh Shilimkar <santosh.shilimkar@ti.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -19,421 +19,80 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> -#include <linux/omapfb.h> +#include <asm/fncpy.h> #include <asm/tlb.h> #include <asm/cacheflush.h> #include <asm/mach/map.h> #include <plat/sram.h> -#include <plat/board.h> -#include <plat/cpu.h> -#include <plat/vram.h> - -#include "sram.h" -#include "fb.h" - -/* XXX These "sideways" includes are a sign that something is wrong */ -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) -# include "../mach-omap2/prm2xxx_3xxx.h" -# include "../mach-omap2/sdrc.h" -#endif - -#define OMAP1_SRAM_PA 0x20000000 -#define OMAP1_SRAM_VA VMALLOC_END -#define OMAP2_SRAM_PUB_PA (OMAP2_SRAM_PA + 0xf800) -#define OMAP2_SRAM_VA 0xfe400000 -#define OMAP2_SRAM_PUB_VA (OMAP2_SRAM_VA + 0x800) -#define OMAP3_SRAM_VA 0xfe400000 -#define OMAP3_SRAM_PUB_PA (OMAP3_SRAM_PA + 0x8000) -#define OMAP3_SRAM_PUB_VA (OMAP3_SRAM_VA + 0x8000) -#define OMAP4_SRAM_VA 0xfe400000 -#define OMAP4_SRAM_PUB_PA (OMAP4_SRAM_PA + 0x4000) -#define OMAP4_SRAM_PUB_VA (OMAP4_SRAM_VA + 0x4000) - -#if defined(CONFIG_ARCH_OMAP2PLUS) -#define SRAM_BOOTLOADER_SZ 0x00 -#else -#define SRAM_BOOTLOADER_SZ 0x80 -#endif - -#define OMAP24XX_VA_REQINFOPERM0 OMAP2_L3_IO_ADDRESS(0x68005048) -#define OMAP24XX_VA_READPERM0 OMAP2_L3_IO_ADDRESS(0x68005050) -#define OMAP24XX_VA_WRITEPERM0 OMAP2_L3_IO_ADDRESS(0x68005058) - -#define OMAP34XX_VA_REQINFOPERM0 OMAP2_L3_IO_ADDRESS(0x68012848) -#define OMAP34XX_VA_READPERM0 OMAP2_L3_IO_ADDRESS(0x68012850) -#define OMAP34XX_VA_WRITEPERM0 OMAP2_L3_IO_ADDRESS(0x68012858) -#define OMAP34XX_VA_ADDR_MATCH2 OMAP2_L3_IO_ADDRESS(0x68012880) -#define OMAP34XX_VA_SMS_RG_ATT0 OMAP2_L3_IO_ADDRESS(0x6C000048) - -#define GP_DEVICE 0x300 #define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) -static unsigned long omap_sram_start; -static unsigned long omap_sram_base; +static void __iomem *omap_sram_base; +static unsigned long omap_sram_skip; static unsigned long omap_sram_size; -static unsigned long omap_sram_ceil; +static void __iomem *omap_sram_ceil; /* - * Depending on the target RAMFS firewall setup, the public usable amount of - * SRAM varies. The default accessible size for all device types is 2k. A GP - * device allows ARM11 but not other initiators for full size. This - * functionality seems ok until some nice security API happens. - */ -static int is_sram_locked(void) -{ - if (OMAP2_DEVICE_TYPE_GP == omap_type()) { - /* RAMFW: R/W access to all initiators for all qualifier sets */ - if (cpu_is_omap242x()) { - __raw_writel(0xFF, OMAP24XX_VA_REQINFOPERM0); /* all q-vects */ - __raw_writel(0xCFDE, OMAP24XX_VA_READPERM0); /* all i-read */ - __raw_writel(0xCFDE, OMAP24XX_VA_WRITEPERM0); /* all i-write */ - } - if (cpu_is_omap34xx()) { - __raw_writel(0xFFFF, OMAP34XX_VA_REQINFOPERM0); /* all q-vects */ - __raw_writel(0xFFFF, OMAP34XX_VA_READPERM0); /* all i-read */ - __raw_writel(0xFFFF, OMAP34XX_VA_WRITEPERM0); /* all i-write */ - __raw_writel(0x0, OMAP34XX_VA_ADDR_MATCH2); - __raw_writel(0xFFFFFFFF, OMAP34XX_VA_SMS_RG_ATT0); - } - return 0; - } else - return 1; /* assume locked with no PPA or security driver */ -} - -/* - * The amount of SRAM depends on the core type. - * Note that we cannot try to test for SRAM here because writes - * to secure SRAM will hang the system. Also the SRAM is not - * yet mapped at this point. + * Memory allocator for SRAM: calculates the new ceiling address + * for pushing a function using the fncpy API. + * + * Note that fncpy requires the returned address to be aligned + * to an 8-byte boundary. */ -static void __init omap_detect_sram(void) +void *omap_sram_push_address(unsigned long size) { - unsigned long reserved; + unsigned long available, new_ceil = (unsigned long)omap_sram_ceil; - if (cpu_class_is_omap2()) { - if (is_sram_locked()) { - if (cpu_is_omap34xx()) { - omap_sram_base = OMAP3_SRAM_PUB_VA; - omap_sram_start = OMAP3_SRAM_PUB_PA; - if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) || - (omap_type() == OMAP2_DEVICE_TYPE_SEC)) { - omap_sram_size = 0x7000; /* 28K */ - } else { - omap_sram_size = 0x8000; /* 32K */ - } - } else if (cpu_is_omap44xx()) { - omap_sram_base = OMAP4_SRAM_PUB_VA; - omap_sram_start = OMAP4_SRAM_PUB_PA; - omap_sram_size = 0xa000; /* 40K */ - } else { - omap_sram_base = OMAP2_SRAM_PUB_VA; - omap_sram_start = OMAP2_SRAM_PUB_PA; - omap_sram_size = 0x800; /* 2K */ - } - } else { - if (cpu_is_omap34xx()) { - omap_sram_base = OMAP3_SRAM_VA; - omap_sram_start = OMAP3_SRAM_PA; - omap_sram_size = 0x10000; /* 64K */ - } else if (cpu_is_omap44xx()) { - omap_sram_base = OMAP4_SRAM_VA; - omap_sram_start = OMAP4_SRAM_PA; - omap_sram_size = 0xe000; /* 56K */ - } else { - omap_sram_base = OMAP2_SRAM_VA; - omap_sram_start = OMAP2_SRAM_PA; - if (cpu_is_omap242x()) - omap_sram_size = 0xa0000; /* 640K */ - else if (cpu_is_omap243x()) - omap_sram_size = 0x10000; /* 64K */ - } - } - } else { - omap_sram_base = OMAP1_SRAM_VA; - omap_sram_start = OMAP1_SRAM_PA; + available = omap_sram_ceil - (omap_sram_base + omap_sram_skip); - if (cpu_is_omap7xx()) - omap_sram_size = 0x32000; /* 200K */ - else if (cpu_is_omap15xx()) - omap_sram_size = 0x30000; /* 192K */ - else if (cpu_is_omap1610() || cpu_is_omap1621() || - cpu_is_omap1710()) - omap_sram_size = 0x4000; /* 16K */ - else if (cpu_is_omap1611()) - omap_sram_size = SZ_256K; - else { - printk(KERN_ERR "Could not detect SRAM size\n"); - omap_sram_size = 0x4000; - } + if (size > available) { + pr_err("Not enough space in SRAM\n"); + return NULL; } - reserved = omapfb_reserve_sram(omap_sram_start, omap_sram_base, - omap_sram_size, - omap_sram_start + SRAM_BOOTLOADER_SZ, - omap_sram_size - SRAM_BOOTLOADER_SZ); - omap_sram_size -= reserved; - reserved = omap_vram_reserve_sram(omap_sram_start, omap_sram_base, - omap_sram_size, - omap_sram_start + SRAM_BOOTLOADER_SZ, - omap_sram_size - SRAM_BOOTLOADER_SZ); - omap_sram_size -= reserved; + new_ceil -= size; + new_ceil = ROUND_DOWN(new_ceil, FNCPY_ALIGN); + omap_sram_ceil = IOMEM(new_ceil); - omap_sram_ceil = omap_sram_base + omap_sram_size; + return (void *)omap_sram_ceil; } -static struct map_desc omap_sram_io_desc[] __initdata = { - { /* .length gets filled in at runtime */ - .virtual = OMAP1_SRAM_VA, - .pfn = __phys_to_pfn(OMAP1_SRAM_PA), - .type = MT_MEMORY - } -}; +/* + * The SRAM context is lost during off-idle and stack + * needs to be reset. + */ +void omap_sram_reset(void) +{ + omap_sram_ceil = omap_sram_base + omap_sram_size; +} /* * Note that we cannot use ioremap for SRAM, as clock init needs SRAM early. */ -static void __init omap_map_sram(void) +void __init omap_map_sram(unsigned long start, unsigned long size, + unsigned long skip, int cached) { - unsigned long base; - - if (omap_sram_size == 0) + if (size == 0) return; - if (cpu_is_omap34xx()) { - /* - * SRAM must be marked as non-cached on OMAP3 since the - * CORE DPLL M2 divider change code (in SRAM) runs with the - * SDRAM controller disabled, and if it is marked cached, - * the ARM may attempt to write cache lines back to SDRAM - * which will cause the system to hang. - */ - omap_sram_io_desc[0].type = MT_MEMORY_NONCACHED; + start = ROUND_DOWN(start, PAGE_SIZE); + omap_sram_size = size; + omap_sram_skip = skip; + omap_sram_base = __arm_ioremap_exec(start, size, cached); + if (!omap_sram_base) { + pr_err("SRAM: Could not map\n"); + return; } - omap_sram_io_desc[0].virtual = omap_sram_base; - base = omap_sram_start; - base = ROUND_DOWN(base, PAGE_SIZE); - omap_sram_io_desc[0].pfn = __phys_to_pfn(base); - omap_sram_io_desc[0].length = ROUND_DOWN(omap_sram_size, PAGE_SIZE); - iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc)); - - printk(KERN_INFO "SRAM: Mapped pa 0x%08lx to va 0x%08lx size: 0x%lx\n", - __pfn_to_phys(omap_sram_io_desc[0].pfn), - omap_sram_io_desc[0].virtual, - omap_sram_io_desc[0].length); - - /* - * Normally devicemaps_init() would flush caches and tlb after - * mdesc->map_io(), but since we're called from map_io(), we - * must do it here. - */ - local_flush_tlb_all(); - flush_cache_all(); + omap_sram_reset(); /* * Looks like we need to preserve some bootloader code at the * beginning of SRAM for jumping to flash for reboot to work... */ - memset((void *)omap_sram_base + SRAM_BOOTLOADER_SZ, 0, - omap_sram_size - SRAM_BOOTLOADER_SZ); -} - -void * omap_sram_push(void * start, unsigned long size) -{ - if (size > (omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ))) { - printk(KERN_ERR "Not enough space in SRAM\n"); - return NULL; - } - - omap_sram_ceil -= size; - omap_sram_ceil = ROUND_DOWN(omap_sram_ceil, sizeof(void *)); - memcpy((void *)omap_sram_ceil, start, size); - flush_icache_range((unsigned long)omap_sram_ceil, - (unsigned long)(omap_sram_ceil + size)); - - return (void *)omap_sram_ceil; -} - -#ifdef CONFIG_ARCH_OMAP1 - -static void (*_omap_sram_reprogram_clock)(u32 dpllctl, u32 ckctl); - -void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl) -{ - BUG_ON(!_omap_sram_reprogram_clock); - _omap_sram_reprogram_clock(dpllctl, ckctl); -} - -static int __init omap1_sram_init(void) -{ - _omap_sram_reprogram_clock = - omap_sram_push(omap1_sram_reprogram_clock, - omap1_sram_reprogram_clock_sz); - - return 0; -} - -#else -#define omap1_sram_init() do {} while (0) -#endif - -#if defined(CONFIG_ARCH_OMAP2) - -static void (*_omap2_sram_ddr_init)(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, - u32 base_cs, u32 force_unlock); - -void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, - u32 base_cs, u32 force_unlock) -{ - BUG_ON(!_omap2_sram_ddr_init); - _omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl, - base_cs, force_unlock); -} - -static void (*_omap2_sram_reprogram_sdrc)(u32 perf_level, u32 dll_val, - u32 mem_type); - -void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, u32 mem_type) -{ - BUG_ON(!_omap2_sram_reprogram_sdrc); - _omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type); -} - -static u32 (*_omap2_set_prcm)(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass); - -u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass) -{ - BUG_ON(!_omap2_set_prcm); - return _omap2_set_prcm(dpll_ctrl_val, sdrc_rfr_val, bypass); -} -#endif - -#ifdef CONFIG_ARCH_OMAP2420 -static int __init omap242x_sram_init(void) -{ - _omap2_sram_ddr_init = omap_sram_push(omap242x_sram_ddr_init, - omap242x_sram_ddr_init_sz); - - _omap2_sram_reprogram_sdrc = omap_sram_push(omap242x_sram_reprogram_sdrc, - omap242x_sram_reprogram_sdrc_sz); - - _omap2_set_prcm = omap_sram_push(omap242x_sram_set_prcm, - omap242x_sram_set_prcm_sz); - - return 0; -} -#else -static inline int omap242x_sram_init(void) -{ - return 0; -} -#endif - -#ifdef CONFIG_ARCH_OMAP2430 -static int __init omap243x_sram_init(void) -{ - _omap2_sram_ddr_init = omap_sram_push(omap243x_sram_ddr_init, - omap243x_sram_ddr_init_sz); - - _omap2_sram_reprogram_sdrc = omap_sram_push(omap243x_sram_reprogram_sdrc, - omap243x_sram_reprogram_sdrc_sz); - - _omap2_set_prcm = omap_sram_push(omap243x_sram_set_prcm, - omap243x_sram_set_prcm_sz); - - return 0; -} -#else -static inline int omap243x_sram_init(void) -{ - return 0; -} -#endif - -#ifdef CONFIG_ARCH_OMAP3 - -static u32 (*_omap3_sram_configure_core_dpll)( - u32 m2, u32 unlock_dll, u32 f, u32 inc, - u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0, - u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0, - u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1, - u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1); - -u32 omap3_configure_core_dpll(u32 m2, u32 unlock_dll, u32 f, u32 inc, - u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0, - u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0, - u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1, - u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1) -{ - BUG_ON(!_omap3_sram_configure_core_dpll); - return _omap3_sram_configure_core_dpll( - m2, unlock_dll, f, inc, - sdrc_rfr_ctrl_0, sdrc_actim_ctrl_a_0, - sdrc_actim_ctrl_b_0, sdrc_mr_0, - sdrc_rfr_ctrl_1, sdrc_actim_ctrl_a_1, - sdrc_actim_ctrl_b_1, sdrc_mr_1); -} - -#ifdef CONFIG_PM -void omap3_sram_restore_context(void) -{ - omap_sram_ceil = omap_sram_base + omap_sram_size; - - _omap3_sram_configure_core_dpll = - omap_sram_push(omap3_sram_configure_core_dpll, - omap3_sram_configure_core_dpll_sz); - omap_push_sram_idle(); -} -#endif /* CONFIG_PM */ - -static int __init omap34xx_sram_init(void) -{ - _omap3_sram_configure_core_dpll = - omap_sram_push(omap3_sram_configure_core_dpll, - omap3_sram_configure_core_dpll_sz); - omap_push_sram_idle(); - return 0; -} -#else -static inline int omap34xx_sram_init(void) -{ - return 0; -} -#endif - -#ifdef CONFIG_ARCH_OMAP4 -static int __init omap44xx_sram_init(void) -{ - printk(KERN_ERR "FIXME: %s not implemented\n", __func__); - - return -ENODEV; -} -#else -static inline int omap44xx_sram_init(void) -{ - return 0; -} -#endif - -int __init omap_sram_init(void) -{ - omap_detect_sram(); - omap_map_sram(); - - if (!(cpu_class_is_omap2())) - omap1_sram_init(); - else if (cpu_is_omap242x()) - omap242x_sram_init(); - else if (cpu_is_omap2430()) - omap243x_sram_init(); - else if (cpu_is_omap34xx()) - omap34xx_sram_init(); - else if (cpu_is_omap44xx()) - omap44xx_sram_init(); - - return 0; + memset_io(omap_sram_base + omap_sram_skip, 0, + omap_sram_size - omap_sram_skip); } diff --git a/arch/arm/plat-omap/sram.h b/arch/arm/plat-omap/sram.h deleted file mode 100644 index 29b43ef97f2..00000000000 --- a/arch/arm/plat-omap/sram.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __PLAT_OMAP_SRAM_H__ -#define __PLAT_OMAP_SRAM_H__ - -extern int __init omap_sram_init(void); - -#endif /* __PLAT_OMAP_SRAM_H__ */ diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c deleted file mode 100644 index f3570884883..00000000000 --- a/arch/arm/plat-omap/usb.c +++ /dev/null @@ -1,143 +0,0 @@ - /* - * arch/arm/plat-omap/usb.c -- platform level USB initialization - * - * Copyright (C) 2004 Texas Instruments, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#undef DEBUG - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/io.h> - -#include <plat/usb.h> -#include <plat/board.h> - -#ifdef CONFIG_ARCH_OMAP_OTG - -void __init -omap_otg_init(struct omap_usb_config *config) -{ - u32 syscon; - int status; - int alt_pingroup = 0; - - /* NOTE: no bus or clock setup (yet?) */ - - syscon = omap_readl(OTG_SYSCON_1) & 0xffff; - if (!(syscon & OTG_RESET_DONE)) - pr_debug("USB resets not complete?\n"); - - //omap_writew(0, OTG_IRQ_EN); - - /* pin muxing and transceiver pinouts */ - if (config->pins[0] > 2) /* alt pingroup 2 */ - alt_pingroup = 1; - syscon |= config->usb0_init(config->pins[0], is_usb0_device(config)); - syscon |= config->usb1_init(config->pins[1]); - syscon |= config->usb2_init(config->pins[2], alt_pingroup); - pr_debug("OTG_SYSCON_1 = %08x\n", omap_readl(OTG_SYSCON_1)); - omap_writel(syscon, OTG_SYSCON_1); - - syscon = config->hmc_mode; - syscon |= USBX_SYNCHRO | (4 << 16) /* B_ASE0_BRST */; -#ifdef CONFIG_USB_OTG - if (config->otg) - syscon |= OTG_EN; -#endif - if (cpu_class_is_omap1()) - pr_debug("USB_TRANSCEIVER_CTRL = %03x\n", - omap_readl(USB_TRANSCEIVER_CTRL)); - pr_debug("OTG_SYSCON_2 = %08x\n", omap_readl(OTG_SYSCON_2)); - omap_writel(syscon, OTG_SYSCON_2); - - printk("USB: hmc %d", config->hmc_mode); - if (!alt_pingroup) - printk(", usb2 alt %d wires", config->pins[2]); - else if (config->pins[0]) - printk(", usb0 %d wires%s", config->pins[0], - is_usb0_device(config) ? " (dev)" : ""); - if (config->pins[1]) - printk(", usb1 %d wires", config->pins[1]); - if (!alt_pingroup && config->pins[2]) - printk(", usb2 %d wires", config->pins[2]); - if (config->otg) - printk(", Mini-AB on usb%d", config->otg - 1); - printk("\n"); - - if (cpu_class_is_omap1()) { - u16 w; - - /* leave USB clocks/controllers off until needed */ - w = omap_readw(ULPD_SOFT_REQ); - w &= ~SOFT_USB_CLK_REQ; - omap_writew(w, ULPD_SOFT_REQ); - - w = omap_readw(ULPD_CLOCK_CTRL); - w &= ~USB_MCLK_EN; - w |= DIS_USB_PVCI_CLK; - omap_writew(w, ULPD_CLOCK_CTRL); - } - syscon = omap_readl(OTG_SYSCON_1); - syscon |= HST_IDLE_EN|DEV_IDLE_EN|OTG_IDLE_EN; - -#ifdef CONFIG_USB_GADGET_OMAP - if (config->otg || config->register_dev) { - struct platform_device *udc_device = config->udc_device; - - syscon &= ~DEV_IDLE_EN; - udc_device->dev.platform_data = config; - status = platform_device_register(udc_device); - if (status) - pr_debug("can't register UDC device, %d\n", status); - } -#endif - -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - if (config->otg || config->register_host) { - struct platform_device *ohci_device = config->ohci_device; - - syscon &= ~HST_IDLE_EN; - ohci_device->dev.platform_data = config; - status = platform_device_register(ohci_device); - if (status) - pr_debug("can't register OHCI device, %d\n", status); - } -#endif - -#ifdef CONFIG_USB_OTG - if (config->otg) { - struct platform_device *otg_device = config->otg_device; - - syscon &= ~OTG_IDLE_EN; - otg_device->dev.platform_data = config; - status = platform_device_register(otg_device); - if (status) - pr_debug("can't register OTG device, %d\n", status); - } -#endif - pr_debug("OTG_SYSCON_1 = %08x\n", omap_readl(OTG_SYSCON_1)); - omap_writel(syscon, OTG_SYSCON_1); - - status = 0; -} - -#else -void omap_otg_init(struct omap_usb_config *config) {} -#endif |