diff options
Diffstat (limited to 'arch/arm/mach-omap1/clock.h')
| -rw-r--r-- | arch/arm/mach-omap1/clock.h | 959 |
1 files changed, 213 insertions, 746 deletions
diff --git a/arch/arm/mach-omap1/clock.h b/arch/arm/mach-omap1/clock.h index 6eadf72828d..1e4918a3a5e 100644 --- a/arch/arm/mach-omap1/clock.h +++ b/arch/arm/mach-omap1/clock.h @@ -1,7 +1,7 @@ /* * linux/arch/arm/mach-omap1/clock.h * - * Copyright (C) 2004 - 2005 Nokia corporation + * Copyright (C) 2004 - 2005, 2009 Nokia corporation * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc * @@ -13,36 +13,214 @@ #ifndef __ARCH_ARM_MACH_OMAP1_CLOCK_H #define __ARCH_ARM_MACH_OMAP1_CLOCK_H -static int omap1_clk_enable_generic(struct clk * clk); -static void omap1_clk_disable_generic(struct clk * clk); -static void omap1_ckctl_recalc(struct clk * clk); -static void omap1_watchdog_recalc(struct clk * clk); -static int omap1_set_sossi_rate(struct clk *clk, unsigned long rate); -static void omap1_sossi_recalc(struct clk *clk); -static void omap1_ckctl_recalc_dsp_domain(struct clk * clk); -static int omap1_clk_enable_dsp_domain(struct clk * clk); -static int omap1_clk_set_rate_dsp_domain(struct clk * clk, unsigned long rate); -static void omap1_clk_disable_dsp_domain(struct clk * clk); -static int omap1_set_uart_rate(struct clk * clk, unsigned long rate); -static void omap1_uart_recalc(struct clk * clk); -static int omap1_clk_enable_uart_functional(struct clk * clk); -static void omap1_clk_disable_uart_functional(struct clk * clk); -static int omap1_set_ext_clk_rate(struct clk * clk, unsigned long rate); -static long omap1_round_ext_clk_rate(struct clk * clk, unsigned long rate); -static void omap1_init_ext_clk(struct clk * clk); -static int omap1_select_table_rate(struct clk * clk, unsigned long rate); -static long omap1_round_to_table_rate(struct clk * clk, unsigned long rate); -static int omap1_clk_enable(struct clk *clk); -static void omap1_clk_disable(struct clk *clk); +#include <linux/clk.h> +#include <linux/list.h> + +#include <linux/clkdev.h> + +struct module; +struct clk; + +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_1710 (1 << 4) /* 1710 extra for rate selection */ + + +/* Temporary, needed during the common clock framework conversion */ +#define __clk_get_name(clk) (clk->name) +#define __clk_get_parent(clk) (clk->parent) +#define __clk_get_rate(clk) (clk->rate) + +/** + * 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 + * @allow_idle: fn ptr that enables autoidle for the current clock in hardware + * @deny_idle: fn ptr that disables autoidle for the current clock in hardware + * + * 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 *); + void (*allow_idle)(struct clk *); + void (*deny_idle)(struct clk *); +}; -struct mpu_rate { +/* + * struct clk.flags possibilities + * + * XXX document the rest of the clock flags here + * + * CLOCK_CLKOUTX2: (OMAP4 only) DPLL CLKOUT and CLKOUTX2 GATE_CTRL + * bits share the same register. This flag allows the + * omap4_dpllmx*() code to determine which GATE_CTRL bit field + * should be used. This is a temporary solution - a better approach + * would be to associate clock type-specific data with the clock, + * similar to the struct dpll_data approach. + */ +#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 */ +#define CLOCK_CLKOUTX2 (1 << 5) + +/** + * 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 + * @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; - unsigned long xtal; - unsigned long pll_rate; - __u16 ckctl_val; - __u16 dpllctl_val; + 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; + u8 rate_offset; + u8 src_offset; +#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) + struct dentry *dent; /* For visible tree hierarchy */ +#endif }; +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); +}; + +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); +extern struct clk *omap_clk_get_by_name(const char *name); +extern int omap_clk_enable_autoidle_all(void); +extern int omap_clk_disable_autoidle_all(void); + +extern const struct clkops clkops_null; + +extern struct clk dummy_ck; + +int omap1_clk_init(void); +void omap1_clk_late_init(void); +extern int omap1_clk_enable(struct clk *clk); +extern void omap1_clk_disable(struct clk *clk); +extern long omap1_clk_round_rate(struct clk *clk, unsigned long rate); +extern int omap1_clk_set_rate(struct clk *clk, unsigned long rate); +extern unsigned long omap1_ckctl_recalc(struct clk *clk); +extern int omap1_set_sossi_rate(struct clk *clk, unsigned long rate); +extern unsigned long omap1_sossi_recalc(struct clk *clk); +extern unsigned long omap1_ckctl_recalc_dsp_domain(struct clk *clk); +extern int omap1_clk_set_rate_dsp_domain(struct clk *clk, unsigned long rate); +extern int omap1_set_uart_rate(struct clk *clk, unsigned long rate); +extern unsigned long omap1_uart_recalc(struct clk *clk); +extern int omap1_set_ext_clk_rate(struct clk *clk, unsigned long rate); +extern long omap1_round_ext_clk_rate(struct clk *clk, unsigned long rate); +extern void omap1_init_ext_clk(struct clk *clk); +extern int omap1_select_table_rate(struct clk *clk, unsigned long rate); +extern long omap1_round_to_table_rate(struct clk *clk, unsigned long rate); +extern int omap1_clk_set_rate_ckctl_arm(struct clk *clk, unsigned long rate); +extern long omap1_clk_round_rate_ckctl_arm(struct clk *clk, unsigned long rate); +extern unsigned long omap1_watchdog_recalc(struct clk *clk); + +#ifdef CONFIG_OMAP_RESET_CLOCKS +extern void omap1_clk_disable_unused(struct clk *clk); +#else +#define omap1_clk_disable_unused NULL +#endif + struct uart_clk { struct clk clk; unsigned long sysc_addr; @@ -101,726 +279,15 @@ struct arm_idlect1_clk { #define SOFT_REQ_REG 0xfffe0834 #define SOFT_REQ_REG2 0xfffe0880 -/*------------------------------------------------------------------------- - * Omap1 MPU rate table - *-------------------------------------------------------------------------*/ -static struct mpu_rate rate_table[] = { - /* MPU MHz, xtal MHz, dpll1 MHz, CKCTL, DPLL_CTL - * NOTE: Comment order here is different from bits in CKCTL value: - * armdiv, dspdiv, dspmmu, tcdiv, perdiv, lcddiv - */ -#if defined(CONFIG_OMAP_ARM_216MHZ) - { 216000000, 12000000, 216000000, 0x050d, 0x2910 }, /* 1/1/2/2/2/8 */ -#endif -#if defined(CONFIG_OMAP_ARM_195MHZ) - { 195000000, 13000000, 195000000, 0x050e, 0x2790 }, /* 1/1/2/2/4/8 */ -#endif -#if defined(CONFIG_OMAP_ARM_192MHZ) - { 192000000, 19200000, 192000000, 0x050f, 0x2510 }, /* 1/1/2/2/8/8 */ - { 192000000, 12000000, 192000000, 0x050f, 0x2810 }, /* 1/1/2/2/8/8 */ - { 96000000, 12000000, 192000000, 0x055f, 0x2810 }, /* 2/2/2/2/8/8 */ - { 48000000, 12000000, 192000000, 0x0baf, 0x2810 }, /* 4/4/4/8/8/8 */ - { 24000000, 12000000, 192000000, 0x0fff, 0x2810 }, /* 8/8/8/8/8/8 */ -#endif -#if defined(CONFIG_OMAP_ARM_182MHZ) - { 182000000, 13000000, 182000000, 0x050e, 0x2710 }, /* 1/1/2/2/4/8 */ -#endif -#if defined(CONFIG_OMAP_ARM_168MHZ) - { 168000000, 12000000, 168000000, 0x010f, 0x2710 }, /* 1/1/1/2/8/8 */ -#endif -#if defined(CONFIG_OMAP_ARM_150MHZ) - { 150000000, 12000000, 150000000, 0x010a, 0x2cb0 }, /* 1/1/1/2/4/4 */ -#endif -#if defined(CONFIG_OMAP_ARM_120MHZ) - { 120000000, 12000000, 120000000, 0x010a, 0x2510 }, /* 1/1/1/2/4/4 */ -#endif -#if defined(CONFIG_OMAP_ARM_96MHZ) - { 96000000, 12000000, 96000000, 0x0005, 0x2410 }, /* 1/1/1/1/2/2 */ -#endif -#if defined(CONFIG_OMAP_ARM_60MHZ) - { 60000000, 12000000, 60000000, 0x0005, 0x2290 }, /* 1/1/1/1/2/2 */ -#endif -#if defined(CONFIG_OMAP_ARM_30MHZ) - { 30000000, 12000000, 60000000, 0x0555, 0x2290 }, /* 2/2/2/2/2/2 */ -#endif - { 0, 0, 0, 0, 0 }, -}; - -/*------------------------------------------------------------------------- - * Omap1 clocks - *-------------------------------------------------------------------------*/ - -static struct clk ck_ref = { - .name = "ck_ref", - .rate = 12000000, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | ALWAYS_ENABLED, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk ck_dpll1 = { - .name = "ck_dpll1", - .parent = &ck_ref, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | RATE_PROPAGATES | ALWAYS_ENABLED, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct arm_idlect1_clk ck_dpll1out = { - .clk = { - .name = "ck_dpll1out", - .parent = &ck_dpll1, - .flags = CLOCK_IN_OMAP16XX | CLOCK_IDLE_CONTROL | - ENABLE_REG_32BIT | RATE_PROPAGATES, - .enable_reg = (void __iomem *)ARM_IDLECT2, - .enable_bit = EN_CKOUT_ARM, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, - }, - .idlect_shift = 12, -}; - -static struct clk sossi_ck = { - .name = "ck_sossi", - .parent = &ck_dpll1out.clk, - .flags = CLOCK_IN_OMAP16XX | CLOCK_NO_IDLE_PARENT | - ENABLE_REG_32BIT, - .enable_reg = (void __iomem *)MOD_CONF_CTRL_1, - .enable_bit = 16, - .recalc = &omap1_sossi_recalc, - .set_rate = &omap1_set_sossi_rate, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk arm_ck = { - .name = "arm_ck", - .parent = &ck_dpll1, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | RATE_CKCTL | RATE_PROPAGATES | - ALWAYS_ENABLED, - .rate_offset = CKCTL_ARMDIV_OFFSET, - .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct arm_idlect1_clk armper_ck = { - .clk = { - .name = "armper_ck", - .parent = &ck_dpll1, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | RATE_CKCTL | - CLOCK_IDLE_CONTROL, - .enable_reg = (void __iomem *)ARM_IDLECT2, - .enable_bit = EN_PERCK, - .rate_offset = CKCTL_PERDIV_OFFSET, - .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, - }, - .idlect_shift = 2, -}; - -static struct clk arm_gpio_ck = { - .name = "arm_gpio_ck", - .parent = &ck_dpll1, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, - .enable_reg = (void __iomem *)ARM_IDLECT2, - .enable_bit = EN_GPIOCK, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct arm_idlect1_clk armxor_ck = { - .clk = { - .name = "armxor_ck", - .parent = &ck_ref, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL, - .enable_reg = (void __iomem *)ARM_IDLECT2, - .enable_bit = EN_XORPCK, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, - }, - .idlect_shift = 1, -}; - -static struct arm_idlect1_clk armtim_ck = { - .clk = { - .name = "armtim_ck", - .parent = &ck_ref, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL, - .enable_reg = (void __iomem *)ARM_IDLECT2, - .enable_bit = EN_TIMCK, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, - }, - .idlect_shift = 9, -}; - -static struct arm_idlect1_clk armwdt_ck = { - .clk = { - .name = "armwdt_ck", - .parent = &ck_ref, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL, - .enable_reg = (void __iomem *)ARM_IDLECT2, - .enable_bit = EN_WDTCK, - .recalc = &omap1_watchdog_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, - }, - .idlect_shift = 0, -}; - -static struct clk arminth_ck16xx = { - .name = "arminth_ck", - .parent = &arm_ck, - .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, - .recalc = &followparent_recalc, - /* Note: On 16xx the frequency can be divided by 2 by programming - * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1 - * - * 1510 version is in TC clocks. - */ - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk dsp_ck = { - .name = "dsp_ck", - .parent = &ck_dpll1, - .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - RATE_CKCTL, - .enable_reg = (void __iomem *)ARM_CKCTL, - .enable_bit = EN_DSPCK, - .rate_offset = CKCTL_DSPDIV_OFFSET, - .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk dspmmu_ck = { - .name = "dspmmu_ck", - .parent = &ck_dpll1, - .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - RATE_CKCTL | ALWAYS_ENABLED, - .rate_offset = CKCTL_DSPMMUDIV_OFFSET, - .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk dspper_ck = { - .name = "dspper_ck", - .parent = &ck_dpll1, - .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - RATE_CKCTL | VIRTUAL_IO_ADDRESS, - .enable_reg = (void __iomem *)DSP_IDLECT2, - .enable_bit = EN_PERCK, - .rate_offset = CKCTL_PERDIV_OFFSET, - .recalc = &omap1_ckctl_recalc_dsp_domain, - .set_rate = &omap1_clk_set_rate_dsp_domain, - .enable = &omap1_clk_enable_dsp_domain, - .disable = &omap1_clk_disable_dsp_domain, -}; - -static struct clk dspxor_ck = { - .name = "dspxor_ck", - .parent = &ck_ref, - .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - VIRTUAL_IO_ADDRESS, - .enable_reg = (void __iomem *)DSP_IDLECT2, - .enable_bit = EN_XORPCK, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_dsp_domain, - .disable = &omap1_clk_disable_dsp_domain, -}; - -static struct clk dsptim_ck = { - .name = "dsptim_ck", - .parent = &ck_ref, - .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - VIRTUAL_IO_ADDRESS, - .enable_reg = (void __iomem *)DSP_IDLECT2, - .enable_bit = EN_DSPTIMCK, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_dsp_domain, - .disable = &omap1_clk_disable_dsp_domain, -}; - -/* Tie ARM_IDLECT1:IDLIF_ARM to this logical clock structure */ -static struct arm_idlect1_clk tc_ck = { - .clk = { - .name = "tc_ck", - .parent = &ck_dpll1, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP730 | CLOCK_IN_OMAP310 | - RATE_CKCTL | RATE_PROPAGATES | - ALWAYS_ENABLED | CLOCK_IDLE_CONTROL, - .rate_offset = CKCTL_TCDIV_OFFSET, - .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, - }, - .idlect_shift = 6, -}; - -static struct clk arminth_ck1510 = { - .name = "arminth_ck", - .parent = &tc_ck.clk, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | - ALWAYS_ENABLED, - .recalc = &followparent_recalc, - /* Note: On 1510 the frequency follows TC_CK - * - * 16xx version is in MPU clocks. - */ - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk tipb_ck = { - /* No-idle controlled by "tc_ck" */ - .name = "tipb_ck", - .parent = &tc_ck.clk, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | - ALWAYS_ENABLED, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk l3_ocpi_ck = { - /* No-idle controlled by "tc_ck" */ - .name = "l3_ocpi_ck", - .parent = &tc_ck.clk, - .flags = CLOCK_IN_OMAP16XX, - .enable_reg = (void __iomem *)ARM_IDLECT3, - .enable_bit = EN_OCPI_CK, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk tc1_ck = { - .name = "tc1_ck", - .parent = &tc_ck.clk, - .flags = CLOCK_IN_OMAP16XX, - .enable_reg = (void __iomem *)ARM_IDLECT3, - .enable_bit = EN_TC1_CK, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk tc2_ck = { - .name = "tc2_ck", - .parent = &tc_ck.clk, - .flags = CLOCK_IN_OMAP16XX, - .enable_reg = (void __iomem *)ARM_IDLECT3, - .enable_bit = EN_TC2_CK, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk dma_ck = { - /* No-idle controlled by "tc_ck" */ - .name = "dma_ck", - .parent = &tc_ck.clk, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | ALWAYS_ENABLED, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk dma_lcdfree_ck = { - .name = "dma_lcdfree_ck", - .parent = &tc_ck.clk, - .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct arm_idlect1_clk api_ck = { - .clk = { - .name = "api_ck", - .parent = &tc_ck.clk, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL, - .enable_reg = (void __iomem *)ARM_IDLECT2, - .enable_bit = EN_APICK, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, - }, - .idlect_shift = 8, -}; - -static struct arm_idlect1_clk lb_ck = { - .clk = { - .name = "lb_ck", - .parent = &tc_ck.clk, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | - CLOCK_IDLE_CONTROL, - .enable_reg = (void __iomem *)ARM_IDLECT2, - .enable_bit = EN_LBCK, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, - }, - .idlect_shift = 4, -}; - -static struct clk rhea1_ck = { - .name = "rhea1_ck", - .parent = &tc_ck.clk, - .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk rhea2_ck = { - .name = "rhea2_ck", - .parent = &tc_ck.clk, - .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk lcd_ck_16xx = { - .name = "lcd_ck", - .parent = &ck_dpll1, - .flags = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730 | RATE_CKCTL, - .enable_reg = (void __iomem *)ARM_IDLECT2, - .enable_bit = EN_LCDCK, - .rate_offset = CKCTL_LCDDIV_OFFSET, - .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct arm_idlect1_clk lcd_ck_1510 = { - .clk = { - .name = "lcd_ck", - .parent = &ck_dpll1, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | - RATE_CKCTL | CLOCK_IDLE_CONTROL, - .enable_reg = (void __iomem *)ARM_IDLECT2, - .enable_bit = EN_LCDCK, - .rate_offset = CKCTL_LCDDIV_OFFSET, - .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, - }, - .idlect_shift = 3, -}; - -static struct clk uart1_1510 = { - .name = "uart1_ck", - /* Direct from ULPD, no real parent */ - .parent = &armper_ck.clk, - .rate = 12000000, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | - ENABLE_REG_32BIT | ALWAYS_ENABLED | - CLOCK_NO_IDLE_PARENT, - .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, - .enable_bit = 29, /* Chooses between 12MHz and 48MHz */ - .set_rate = &omap1_set_uart_rate, - .recalc = &omap1_uart_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct uart_clk uart1_16xx = { - .clk = { - .name = "uart1_ck", - /* Direct from ULPD, no real parent */ - .parent = &armper_ck.clk, - .rate = 48000000, - .flags = CLOCK_IN_OMAP16XX | RATE_FIXED | - ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, - .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, - .enable_bit = 29, - .enable = &omap1_clk_enable_uart_functional, - .disable = &omap1_clk_disable_uart_functional, - }, - .sysc_addr = 0xfffb0054, -}; - -static struct clk uart2_ck = { - .name = "uart2_ck", - /* Direct from ULPD, no real parent */ - .parent = &armper_ck.clk, - .rate = 12000000, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | ENABLE_REG_32BIT | - ALWAYS_ENABLED | CLOCK_NO_IDLE_PARENT, - .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, - .enable_bit = 30, /* Chooses between 12MHz and 48MHz */ - .set_rate = &omap1_set_uart_rate, - .recalc = &omap1_uart_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk uart3_1510 = { - .name = "uart3_ck", - /* Direct from ULPD, no real parent */ - .parent = &armper_ck.clk, - .rate = 12000000, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | - ENABLE_REG_32BIT | ALWAYS_ENABLED | - CLOCK_NO_IDLE_PARENT, - .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, - .enable_bit = 31, /* Chooses between 12MHz and 48MHz */ - .set_rate = &omap1_set_uart_rate, - .recalc = &omap1_uart_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct uart_clk uart3_16xx = { - .clk = { - .name = "uart3_ck", - /* Direct from ULPD, no real parent */ - .parent = &armper_ck.clk, - .rate = 48000000, - .flags = CLOCK_IN_OMAP16XX | RATE_FIXED | - ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, - .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, - .enable_bit = 31, - .enable = &omap1_clk_enable_uart_functional, - .disable = &omap1_clk_disable_uart_functional, - }, - .sysc_addr = 0xfffb9854, -}; - -static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */ - .name = "usb_clko", - /* Direct from ULPD, no parent */ - .rate = 6000000, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | RATE_FIXED | ENABLE_REG_32BIT, - .enable_reg = (void __iomem *)ULPD_CLOCK_CTRL, - .enable_bit = USB_MCLK_EN_BIT, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk usb_hhc_ck1510 = { - .name = "usb_hhc_ck", - /* Direct from ULPD, no parent */ - .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */ - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | - RATE_FIXED | ENABLE_REG_32BIT, - .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, - .enable_bit = USB_HOST_HHC_UHOST_EN, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk usb_hhc_ck16xx = { - .name = "usb_hhc_ck", - /* Direct from ULPD, no parent */ - .rate = 48000000, - /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */ - .flags = CLOCK_IN_OMAP16XX | - RATE_FIXED | ENABLE_REG_32BIT, - .enable_reg = (void __iomem *)OTG_BASE + 0x08 /* OTG_SYSCON_2 */, - .enable_bit = 8 /* UHOST_EN */, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk usb_dc_ck = { - .name = "usb_dc_ck", - /* Direct from ULPD, no parent */ - .rate = 48000000, - .flags = CLOCK_IN_OMAP16XX | RATE_FIXED, - .enable_reg = (void __iomem *)SOFT_REQ_REG, - .enable_bit = 4, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk mclk_1510 = { - .name = "mclk", - /* Direct from ULPD, no parent. May be enabled by ext hardware. */ - .rate = 12000000, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_FIXED, - .enable_reg = (void __iomem *)SOFT_REQ_REG, - .enable_bit = 6, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; +extern __u32 arm_idlect1_mask; +extern struct clk *api_ck_p, *ck_dpll1_p, *ck_ref_p; -static struct clk mclk_16xx = { - .name = "mclk", - /* Direct from ULPD, no parent. May be enabled by ext hardware. */ - .flags = CLOCK_IN_OMAP16XX, - .enable_reg = (void __iomem *)COM_CLK_DIV_CTRL_SEL, - .enable_bit = COM_ULPD_PLL_CLK_REQ, - .set_rate = &omap1_set_ext_clk_rate, - .round_rate = &omap1_round_ext_clk_rate, - .init = &omap1_init_ext_clk, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; +extern const struct clkops clkops_dspck; +extern const struct clkops clkops_dummy; +extern const struct clkops clkops_uart_16xx; +extern const struct clkops clkops_generic; -static struct clk bclk_1510 = { - .name = "bclk", - /* Direct from ULPD, no parent. May be enabled by ext hardware. */ - .rate = 12000000, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_FIXED, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk bclk_16xx = { - .name = "bclk", - /* Direct from ULPD, no parent. May be enabled by ext hardware. */ - .flags = CLOCK_IN_OMAP16XX, - .enable_reg = (void __iomem *)SWD_CLK_DIV_CTRL_SEL, - .enable_bit = SWD_ULPD_PLL_CLK_REQ, - .set_rate = &omap1_set_ext_clk_rate, - .round_rate = &omap1_round_ext_clk_rate, - .init = &omap1_init_ext_clk, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk mmc1_ck = { - .name = "mmc_ck", - .id = 1, - /* Functional clock is direct from ULPD, interface clock is ARMPER */ - .parent = &armper_ck.clk, - .rate = 48000000, - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | RATE_FIXED | ENABLE_REG_32BIT | - CLOCK_NO_IDLE_PARENT, - .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, - .enable_bit = 23, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk mmc2_ck = { - .name = "mmc_ck", - .id = 2, - /* Functional clock is direct from ULPD, interface clock is ARMPER */ - .parent = &armper_ck.clk, - .rate = 48000000, - .flags = CLOCK_IN_OMAP16XX | - RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, - .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, - .enable_bit = 20, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk virtual_ck_mpu = { - .name = "mpu", - .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - CLOCK_IN_OMAP310 | VIRTUAL_CLOCK | ALWAYS_ENABLED, - .parent = &arm_ck, /* Is smarter alias for */ - .recalc = &followparent_recalc, - .set_rate = &omap1_select_table_rate, - .round_rate = &omap1_round_to_table_rate, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -/* virtual functional clock domain for I2C. Just for making sure that ARMXOR_CK -remains active during MPU idle whenever this is enabled */ -static struct clk i2c_fck = { - .name = "i2c_fck", - .id = 1, - .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | - VIRTUAL_CLOCK | CLOCK_NO_IDLE_PARENT | - ALWAYS_ENABLED, - .parent = &armxor_ck.clk, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk i2c_ick = { - .name = "i2c_ick", - .id = 1, - .flags = CLOCK_IN_OMAP16XX | - VIRTUAL_CLOCK | CLOCK_NO_IDLE_PARENT | - ALWAYS_ENABLED, - .parent = &armper_ck.clk, - .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, -}; - -static struct clk * onchip_clks[] = { - /* non-ULPD clocks */ - &ck_ref, - &ck_dpll1, - /* CK_GEN1 clocks */ - &ck_dpll1out.clk, - &sossi_ck, - &arm_ck, - &armper_ck.clk, - &arm_gpio_ck, - &armxor_ck.clk, - &armtim_ck.clk, - &armwdt_ck.clk, - &arminth_ck1510, &arminth_ck16xx, - /* CK_GEN2 clocks */ - &dsp_ck, - &dspmmu_ck, - &dspper_ck, - &dspxor_ck, - &dsptim_ck, - /* CK_GEN3 clocks */ - &tc_ck.clk, - &tipb_ck, - &l3_ocpi_ck, - &tc1_ck, - &tc2_ck, - &dma_ck, - &dma_lcdfree_ck, - &api_ck.clk, - &lb_ck.clk, - &rhea1_ck, - &rhea2_ck, - &lcd_ck_16xx, - &lcd_ck_1510.clk, - /* ULPD clocks */ - &uart1_1510, - &uart1_16xx.clk, - &uart2_ck, - &uart3_1510, - &uart3_16xx.clk, - &usb_clko, - &usb_hhc_ck1510, &usb_hhc_ck16xx, - &usb_dc_ck, - &mclk_1510, &mclk_16xx, - &bclk_1510, &bclk_16xx, - &mmc1_ck, - &mmc2_ck, - /* Virtual clocks */ - &virtual_ck_mpu, - &i2c_fck, - &i2c_ick, -}; +/* used for passing SoC type to omap1_{select,round_to}_table_rate() */ +extern u32 cpu_mask; #endif |