diff options
Diffstat (limited to 'arch/unicore32')
| -rw-r--r-- | arch/unicore32/Kconfig | 13 | ||||
| -rw-r--r-- | arch/unicore32/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/unicore32/include/asm/unistd.h | 4 | ||||
| -rw-r--r-- | arch/unicore32/include/mach/PKUnity.h | 36 | ||||
| -rw-r--r-- | arch/unicore32/include/mach/hardware.h | 2 | ||||
| -rw-r--r-- | arch/unicore32/include/mach/regs-ost.h | 18 | ||||
| -rw-r--r-- | arch/unicore32/include/mach/uncompress.h | 4 | ||||
| -rw-r--r-- | arch/unicore32/include/uapi/asm/Kbuild | 3 | ||||
| -rw-r--r-- | arch/unicore32/kernel/Makefile | 1 | ||||
| -rw-r--r-- | arch/unicore32/kernel/pci.c | 8 | ||||
| -rw-r--r-- | arch/unicore32/kernel/process.c | 2 | ||||
| -rw-r--r-- | arch/unicore32/kernel/pwm.c | 263 |
12 files changed, 37 insertions, 318 deletions
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index b0a47433341..35ee2bf6635 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig @@ -6,6 +6,7 @@ config UNICORE32 select HAVE_DMA_ATTRS select HAVE_KERNEL_GZIP select HAVE_KERNEL_BZIP2 + select GENERIC_ATOMIC64 select HAVE_KERNEL_LZO select HAVE_KERNEL_LZMA select ARCH_HAVE_CUSTOM_GPIO_H @@ -20,9 +21,6 @@ config UNICORE32 designs licensed by PKUnity Ltd. Please see web page at <http://www.pkunity.com/>. -config HAVE_PWM - bool - config GENERIC_GPIO def_bool y @@ -105,7 +103,8 @@ config PUV3_DB0913 config PUV3_NB0916 bool "NetBook board (0916)" - select HAVE_PWM + select PWM + select PWM_PUV3 config PUV3_SMW0919 bool "Security Mini-Workstation board (0919)" @@ -219,12 +218,6 @@ config PUV3_GPIO select GPIO_SYSFS if EXPERIMENTAL default y -config PUV3_PWM - tristate - default BACKLIGHT_PWM - help - Enable support for NB0916 PWM controllers - if PUV3_NB0916 menu "PKUnity NetBook-0916 Features" diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index 90a01c83a03..c910c9857e1 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -4,6 +4,7 @@ generic-y += atomic.h generic-y += auxvec.h generic-y += bitsperlong.h generic-y += bugs.h +generic-y += clkdev.h generic-y += cputime.h generic-y += current.h generic-y += device.h diff --git a/arch/unicore32/include/asm/unistd.h b/arch/unicore32/include/asm/unistd.h index 9b242801996..2abcf61c615 100644 --- a/arch/unicore32/include/asm/unistd.h +++ b/arch/unicore32/include/asm/unistd.h @@ -9,10 +9,6 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#if !defined(__UNICORE_UNISTD_H__) || defined(__SYSCALL) -#define __UNICORE_UNISTD_H__ /* Use the standard ABI for syscalls. */ #include <asm-generic/unistd.h> - -#endif /* __UNICORE_UNISTD_H__ */ diff --git a/arch/unicore32/include/mach/PKUnity.h b/arch/unicore32/include/mach/PKUnity.h index 8040d575ddd..46705afcbf5 100644 --- a/arch/unicore32/include/mach/PKUnity.h +++ b/arch/unicore32/include/mach/PKUnity.h @@ -15,7 +15,7 @@ #error You must include hardware.h not PKUnity.h #endif -#include "bitfield.h" +#include <mach/bitfield.h> /* * Memory Definitions @@ -32,7 +32,7 @@ * 0x98000000 - 0x9FFFFFFF 128MB PCI PCI-AHB MEM-mapping */ #define PKUNITY_PCI_BASE io_p2v(0x80000000) /* 0x80000000 - 0xBFFFFFFF 1GB */ -#include "regs-pci.h" +#include <mach/regs-pci.h> #define PKUNITY_PCICFG_BASE (PKUNITY_PCI_BASE + 0x0) #define PKUNITY_PCIBRI_BASE (PKUNITY_PCI_BASE + 0x00010000) @@ -50,18 +50,18 @@ #define PKUNITY_ARBITER_BASE (PKUNITY_AHB_BASE + 0x000000) /* AHB-2 */ #define PKUNITY_DDR2CTRL_BASE (PKUNITY_AHB_BASE + 0x100000) /* AHB-3 */ #define PKUNITY_DMAC_BASE (PKUNITY_AHB_BASE + 0x200000) /* AHB-4 */ -#include "regs-dmac.h" +#include <mach/regs-dmac.h> #define PKUNITY_UMAL_BASE (PKUNITY_AHB_BASE + 0x300000) /* AHB-5 */ -#include "regs-umal.h" +#include <mach/regs-umal.h> #define PKUNITY_USB_BASE (PKUNITY_AHB_BASE + 0x400000) /* AHB-6 */ #define PKUNITY_SATA_BASE (PKUNITY_AHB_BASE + 0x500000) /* AHB-7 */ #define PKUNITY_SMC_BASE (PKUNITY_AHB_BASE + 0x600000) /* AHB-8 */ /* AHB-9 is for APB bridge */ #define PKUNITY_MME_BASE (PKUNITY_AHB_BASE + 0x700000) /* AHB-10 */ #define PKUNITY_UNIGFX_BASE (PKUNITY_AHB_BASE + 0x800000) /* AHB-11 */ -#include "regs-unigfx.h" +#include <mach/regs-unigfx.h> #define PKUNITY_NAND_BASE (PKUNITY_AHB_BASE + 0x900000) /* AHB-12 */ -#include "regs-nand.h" +#include <mach/regs-nand.h> #define PKUNITY_H264D_BASE (PKUNITY_AHB_BASE + 0xA00000) /* AHB-13 */ #define PKUNITY_H264E_BASE (PKUNITY_AHB_BASE + 0xB00000) /* AHB-14 */ @@ -72,27 +72,27 @@ #define PKUNITY_UART0_BASE (PKUNITY_APB_BASE + 0x000000) /* APB-0 */ #define PKUNITY_UART1_BASE (PKUNITY_APB_BASE + 0x100000) /* APB-1 */ -#include "regs-uart.h" +#include <mach/regs-uart.h> #define PKUNITY_I2C_BASE (PKUNITY_APB_BASE + 0x200000) /* APB-2 */ -#include "regs-i2c.h" +#include <mach/regs-i2c.h> #define PKUNITY_SPI_BASE (PKUNITY_APB_BASE + 0x300000) /* APB-3 */ -#include "regs-spi.h" +#include <mach/regs-spi.h> #define PKUNITY_AC97_BASE (PKUNITY_APB_BASE + 0x400000) /* APB-4 */ -#include "regs-ac97.h" +#include <mach/regs-ac97.h> #define PKUNITY_GPIO_BASE (PKUNITY_APB_BASE + 0x500000) /* APB-5 */ -#include "regs-gpio.h" +#include <mach/regs-gpio.h> #define PKUNITY_INTC_BASE (PKUNITY_APB_BASE + 0x600000) /* APB-6 */ -#include "regs-intc.h" +#include <mach/regs-intc.h> #define PKUNITY_RTC_BASE (PKUNITY_APB_BASE + 0x700000) /* APB-7 */ -#include "regs-rtc.h" +#include <mach/regs-rtc.h> #define PKUNITY_OST_BASE (PKUNITY_APB_BASE + 0x800000) /* APB-8 */ -#include "regs-ost.h" +#include <mach/regs-ost.h> #define PKUNITY_RESETC_BASE (PKUNITY_APB_BASE + 0x900000) /* APB-9 */ -#include "regs-resetc.h" +#include <mach/regs-resetc.h> #define PKUNITY_PM_BASE (PKUNITY_APB_BASE + 0xA00000) /* APB-10 */ -#include "regs-pm.h" +#include <mach/regs-pm.h> #define PKUNITY_PS2_BASE (PKUNITY_APB_BASE + 0xB00000) /* APB-11 */ -#include "regs-ps2.h" +#include <mach/regs-ps2.h> #define PKUNITY_SDC_BASE (PKUNITY_APB_BASE + 0xC00000) /* APB-12 */ -#include "regs-sdc.h" +#include <mach/regs-sdc.h> diff --git a/arch/unicore32/include/mach/hardware.h b/arch/unicore32/include/mach/hardware.h index 930bea6e129..9e20b5d9ed5 100644 --- a/arch/unicore32/include/mach/hardware.h +++ b/arch/unicore32/include/mach/hardware.h @@ -15,7 +15,7 @@ #ifndef __MACH_PUV3_HARDWARE_H__ #define __MACH_PUV3_HARDWARE_H__ -#include "PKUnity.h" +#include <mach/PKUnity.h> #ifndef __ASSEMBLY__ #define io_p2v(x) (void __iomem *)((x) - PKUNITY_MMIO_BASE) diff --git a/arch/unicore32/include/mach/regs-ost.h b/arch/unicore32/include/mach/regs-ost.h index 7b91fe698ee..4a85fb46384 100644 --- a/arch/unicore32/include/mach/regs-ost.h +++ b/arch/unicore32/include/mach/regs-ost.h @@ -33,18 +33,16 @@ * Interrupt Enable Reg OST_OIER */ #define OST_OIER (PKUNITY_OST_BASE + 0x001C) + /* - * PWM Pulse Width Control Reg OST_PWMPWCR - */ -#define OST_PWMPWCR (PKUNITY_OST_BASE + 0x0080) -/* - * PWM Duty Cycle Control Reg OST_PWMDCCR - */ -#define OST_PWMDCCR (PKUNITY_OST_BASE + 0x0084) -/* - * PWM Period Control Reg OST_PWMPCR + * PWM Registers: IO base address: PKUNITY_OST_BASE + 0x80 + * PWCR: Pulse Width Control Reg + * DCCR: Duty Cycle Control Reg + * PCR: Period Control Reg */ -#define OST_PWMPCR (PKUNITY_OST_BASE + 0x0088) +#define OST_PWM_PWCR (0x00) +#define OST_PWM_DCCR (0x04) +#define OST_PWM_PCR (0x08) /* * Match detected 0 OST_OSSR_M0 diff --git a/arch/unicore32/include/mach/uncompress.h b/arch/unicore32/include/mach/uncompress.h index 142d3e7958a..9be67c9d3b5 100644 --- a/arch/unicore32/include/mach/uncompress.h +++ b/arch/unicore32/include/mach/uncompress.h @@ -13,8 +13,8 @@ #ifndef __MACH_PUV3_UNCOMPRESS_H__ #define __MACH_PUV3_UNCOMPRESS_H__ -#include "hardware.h" -#include "ocd.h" +#include <mach/hardware.h> +#include <mach/ocd.h> extern char input_data[]; extern char input_data_end[]; diff --git a/arch/unicore32/include/uapi/asm/Kbuild b/arch/unicore32/include/uapi/asm/Kbuild new file mode 100644 index 00000000000..baebb3da1d4 --- /dev/null +++ b/arch/unicore32/include/uapi/asm/Kbuild @@ -0,0 +1,3 @@ +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm + diff --git a/arch/unicore32/kernel/Makefile b/arch/unicore32/kernel/Makefile index 32401015695..fa497e0efe5 100644 --- a/arch/unicore32/kernel/Makefile +++ b/arch/unicore32/kernel/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_UNICORE_FPU_F64) += fpu-ucf64.o obj-$(CONFIG_ARCH_PUV3) += clock.o irq.o time.o obj-$(CONFIG_PUV3_GPIO) += gpio.o -obj-$(CONFIG_PUV3_PWM) += pwm.o obj-$(CONFIG_PUV3_PM) += pm.o sleep.o obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate_asm.o diff --git a/arch/unicore32/kernel/pci.c b/arch/unicore32/kernel/pci.c index 46cb6c9de6c..b0056f68d32 100644 --- a/arch/unicore32/kernel/pci.c +++ b/arch/unicore32/kernel/pci.c @@ -154,14 +154,6 @@ void __init puv3_pci_adjust_zones(unsigned long *zone_size, zhole_size[0] = 0; } -void __devinit pcibios_update_irq(struct pci_dev *dev, int irq) -{ - if (debug_pci) - printk(KERN_DEBUG "PCI: Assigning IRQ %02d to %s\n", - irq, pci_name(dev)); - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); -} - /* * If the bus contains any of these devices, then we must not turn on * parity checking of any kind. diff --git a/arch/unicore32/kernel/process.c b/arch/unicore32/kernel/process.c index b6f0458c314..b008586dad7 100644 --- a/arch/unicore32/kernel/process.c +++ b/arch/unicore32/kernel/process.c @@ -380,7 +380,7 @@ int vectors_user_mapping(void) return install_special_mapping(mm, 0xffff0000, PAGE_SIZE, VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC | - VM_RESERVED, + VM_DONTEXPAND | VM_DONTDUMP, NULL); } diff --git a/arch/unicore32/kernel/pwm.c b/arch/unicore32/kernel/pwm.c deleted file mode 100644 index 4615d51e3ba..00000000000 --- a/arch/unicore32/kernel/pwm.c +++ /dev/null @@ -1,263 +0,0 @@ -/* - * linux/arch/unicore32/kernel/pwm.c - * - * Code specific to PKUnity SoC and UniCore ISA - * - * Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn> - * Copyright (C) 2001-2010 Guan Xuetao - * - * 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/kernel.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/pwm.h> - -#include <asm/div64.h> -#include <mach/hardware.h> - -struct pwm_device { - struct list_head node; - struct platform_device *pdev; - - const char *label; - struct clk *clk; - int clk_enabled; - - unsigned int use_count; - unsigned int pwm_id; -}; - -/* - * period_ns = 10^9 * (PRESCALE + 1) * (PV + 1) / PWM_CLK_RATE - * duty_ns = 10^9 * (PRESCALE + 1) * DC / PWM_CLK_RATE - */ -int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) -{ - unsigned long long c; - unsigned long period_cycles, prescale, pv, dc; - - if (pwm == NULL || period_ns == 0 || duty_ns > period_ns) - return -EINVAL; - - c = clk_get_rate(pwm->clk); - c = c * period_ns; - do_div(c, 1000000000); - period_cycles = c; - - if (period_cycles < 1) - period_cycles = 1; - prescale = (period_cycles - 1) / 1024; - pv = period_cycles / (prescale + 1) - 1; - - if (prescale > 63) - return -EINVAL; - - if (duty_ns == period_ns) - dc = OST_PWMDCCR_FDCYCLE; - else - dc = (pv + 1) * duty_ns / period_ns; - - /* NOTE: the clock to PWM has to be enabled first - * before writing to the registers - */ - clk_enable(pwm->clk); - OST_PWMPWCR = prescale; - OST_PWMDCCR = pv - dc; - OST_PWMPCR = pv; - clk_disable(pwm->clk); - - return 0; -} -EXPORT_SYMBOL(pwm_config); - -int pwm_enable(struct pwm_device *pwm) -{ - int rc = 0; - - if (!pwm->clk_enabled) { - rc = clk_enable(pwm->clk); - if (!rc) - pwm->clk_enabled = 1; - } - return rc; -} -EXPORT_SYMBOL(pwm_enable); - -void pwm_disable(struct pwm_device *pwm) -{ - if (pwm->clk_enabled) { - clk_disable(pwm->clk); - pwm->clk_enabled = 0; - } -} -EXPORT_SYMBOL(pwm_disable); - -static DEFINE_MUTEX(pwm_lock); -static LIST_HEAD(pwm_list); - -struct pwm_device *pwm_request(int pwm_id, const char *label) -{ - struct pwm_device *pwm; - int found = 0; - - mutex_lock(&pwm_lock); - - list_for_each_entry(pwm, &pwm_list, node) { - if (pwm->pwm_id == pwm_id) { - found = 1; - break; - } - } - - if (found) { - if (pwm->use_count == 0) { - pwm->use_count++; - pwm->label = label; - } else - pwm = ERR_PTR(-EBUSY); - } else - pwm = ERR_PTR(-ENOENT); - - mutex_unlock(&pwm_lock); - return pwm; -} -EXPORT_SYMBOL(pwm_request); - -void pwm_free(struct pwm_device *pwm) -{ - mutex_lock(&pwm_lock); - - if (pwm->use_count) { - pwm->use_count--; - pwm->label = NULL; - } else - pr_warning("PWM device already freed\n"); - - mutex_unlock(&pwm_lock); -} -EXPORT_SYMBOL(pwm_free); - -static inline void __add_pwm(struct pwm_device *pwm) -{ - mutex_lock(&pwm_lock); - list_add_tail(&pwm->node, &pwm_list); - mutex_unlock(&pwm_lock); -} - -static struct pwm_device *pwm_probe(struct platform_device *pdev, - unsigned int pwm_id, struct pwm_device *parent_pwm) -{ - struct pwm_device *pwm; - struct resource *r; - int ret = 0; - - pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL); - if (pwm == NULL) { - dev_err(&pdev->dev, "failed to allocate memory\n"); - return ERR_PTR(-ENOMEM); - } - - pwm->clk = clk_get(NULL, "OST_CLK"); - if (IS_ERR(pwm->clk)) { - ret = PTR_ERR(pwm->clk); - goto err_free; - } - pwm->clk_enabled = 0; - - pwm->use_count = 0; - pwm->pwm_id = pwm_id; - pwm->pdev = pdev; - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (r == NULL) { - dev_err(&pdev->dev, "no memory resource defined\n"); - ret = -ENODEV; - goto err_free_clk; - } - - r = request_mem_region(r->start, resource_size(r), pdev->name); - if (r == NULL) { - dev_err(&pdev->dev, "failed to request memory resource\n"); - ret = -EBUSY; - goto err_free_clk; - } - - __add_pwm(pwm); - platform_set_drvdata(pdev, pwm); - return pwm; - -err_free_clk: - clk_put(pwm->clk); -err_free: - kfree(pwm); - return ERR_PTR(ret); -} - -static int __devinit puv3_pwm_probe(struct platform_device *pdev) -{ - struct pwm_device *pwm = pwm_probe(pdev, pdev->id, NULL); - - if (IS_ERR(pwm)) - return PTR_ERR(pwm); - - return 0; -} - -static int __devexit pwm_remove(struct platform_device *pdev) -{ - struct pwm_device *pwm; - struct resource *r; - - pwm = platform_get_drvdata(pdev); - if (pwm == NULL) - return -ENODEV; - - mutex_lock(&pwm_lock); - list_del(&pwm->node); - mutex_unlock(&pwm_lock); - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(r->start, resource_size(r)); - - clk_put(pwm->clk); - kfree(pwm); - return 0; -} - -static struct platform_driver puv3_pwm_driver = { - .driver = { - .name = "PKUnity-v3-PWM", - }, - .probe = puv3_pwm_probe, - .remove = __devexit_p(pwm_remove), -}; - -static int __init pwm_init(void) -{ - int ret = 0; - - ret = platform_driver_register(&puv3_pwm_driver); - if (ret) { - printk(KERN_ERR "failed to register puv3_pwm_driver\n"); - return ret; - } - - return ret; -} -arch_initcall(pwm_init); - -static void __exit pwm_exit(void) -{ - platform_driver_unregister(&puv3_pwm_driver); -} -module_exit(pwm_exit); - -MODULE_LICENSE("GPL v2"); |