diff options
Diffstat (limited to 'arch/arm/plat-omap')
22 files changed, 472 insertions, 198 deletions
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index fc62fb5fc20b..c9122dd6ee8d 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -37,14 +37,16 @@ static struct clk_functions *arch_clock; int clk_enable(struct clk *clk) { unsigned long flags; - int ret = 0; + int ret; if (clk == NULL || IS_ERR(clk)) return -EINVAL; + if (!arch_clock || !arch_clock->clk_enable) + return -EINVAL; + spin_lock_irqsave(&clockfw_lock, flags); - if (arch_clock->clk_enable) - ret = arch_clock->clk_enable(clk); + ret = arch_clock->clk_enable(clk); spin_unlock_irqrestore(&clockfw_lock, flags); return ret; @@ -58,6 +60,9 @@ void clk_disable(struct clk *clk) if (clk == NULL || IS_ERR(clk)) return; + if (!arch_clock || !arch_clock->clk_disable) + return; + spin_lock_irqsave(&clockfw_lock, flags); if (clk->usecount == 0) { pr_err("Trying disable clock %s with 0 usecount\n", @@ -66,8 +71,7 @@ void clk_disable(struct clk *clk) goto out; } - if (arch_clock->clk_disable) - arch_clock->clk_disable(clk); + arch_clock->clk_disable(clk); out: spin_unlock_irqrestore(&clockfw_lock, flags); @@ -77,7 +81,7 @@ EXPORT_SYMBOL(clk_disable); unsigned long clk_get_rate(struct clk *clk) { unsigned long flags; - unsigned long ret = 0; + unsigned long ret; if (clk == NULL || IS_ERR(clk)) return 0; @@ -97,14 +101,16 @@ EXPORT_SYMBOL(clk_get_rate); long clk_round_rate(struct clk *clk, unsigned long rate) { unsigned long flags; - long ret = 0; + long ret; if (clk == NULL || IS_ERR(clk)) - return ret; + return 0; + + if (!arch_clock || !arch_clock->clk_round_rate) + return 0; spin_lock_irqsave(&clockfw_lock, flags); - if (arch_clock->clk_round_rate) - ret = arch_clock->clk_round_rate(clk, rate); + ret = arch_clock->clk_round_rate(clk, rate); spin_unlock_irqrestore(&clockfw_lock, flags); return ret; @@ -119,14 +125,13 @@ int clk_set_rate(struct clk *clk, unsigned long rate) if (clk == NULL || IS_ERR(clk)) return ret; + if (!arch_clock || !arch_clock->clk_set_rate) + 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); + ret = arch_clock->clk_set_rate(clk, rate); + if (ret == 0) propagate_rate(clk); - } spin_unlock_irqrestore(&clockfw_lock, flags); return ret; @@ -141,15 +146,14 @@ int clk_set_parent(struct clk *clk, struct clk *parent) if (clk == NULL || IS_ERR(clk) || parent == NULL || IS_ERR(parent)) return ret; + if (!arch_clock || !arch_clock->clk_set_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); + ret = arch_clock->clk_set_parent(clk, parent); + if (ret == 0) propagate_rate(clk); - } } else ret = -EBUSY; spin_unlock_irqrestore(&clockfw_lock, flags); @@ -335,6 +339,38 @@ struct clk *omap_clk_get_by_name(const char *name) return ret; } +int omap_clk_enable_autoidle_all(void) +{ + struct clk *c; + unsigned long flags; + + spin_lock_irqsave(&clockfw_lock, flags); + + list_for_each_entry(c, &clocks, node) + if (c->ops->allow_idle) + c->ops->allow_idle(c); + + spin_unlock_irqrestore(&clockfw_lock, flags); + + return 0; +} + +int omap_clk_disable_autoidle_all(void) +{ + struct clk *c; + unsigned long flags; + + spin_lock_irqsave(&clockfw_lock, flags); + + list_for_each_entry(c, &clocks, node) + if (c->ops->deny_idle) + c->ops->deny_idle(c); + + spin_unlock_irqrestore(&clockfw_lock, flags); + + return 0; +} + /* * Low level helpers */ @@ -367,9 +403,11 @@ void clk_init_cpufreq_table(struct cpufreq_frequency_table **table) { unsigned long flags; + if (!arch_clock || !arch_clock->clk_init_cpufreq_table) + return; + spin_lock_irqsave(&clockfw_lock, flags); - if (arch_clock->clk_init_cpufreq_table) - arch_clock->clk_init_cpufreq_table(table); + arch_clock->clk_init_cpufreq_table(table); spin_unlock_irqrestore(&clockfw_lock, flags); } @@ -377,9 +415,11 @@ void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table) { unsigned long flags; + if (!arch_clock || !arch_clock->clk_exit_cpufreq_table) + return; + spin_lock_irqsave(&clockfw_lock, flags); - if (arch_clock->clk_exit_cpufreq_table) - arch_clock->clk_exit_cpufreq_table(table); + arch_clock->clk_exit_cpufreq_table(table); spin_unlock_irqrestore(&clockfw_lock, flags); } #endif @@ -397,6 +437,9 @@ static int __init clk_disable_unused(void) struct clk *ck; unsigned long flags; + if (!arch_clock || !arch_clock->clk_disable_unused) + return 0; + pr_info("clock: disabling unused clocks to save power\n"); list_for_each_entry(ck, &clocks, node) { if (ck->ops == &clkops_null) @@ -406,14 +449,14 @@ static int __init clk_disable_unused(void) continue; spin_lock_irqsave(&clockfw_lock, flags); - if (arch_clock->clk_disable_unused) - arch_clock->clk_disable_unused(ck); + arch_clock->clk_disable_unused(ck); spin_unlock_irqrestore(&clockfw_lock, flags); } return 0; } late_initcall(clk_disable_unused); +late_initcall(omap_clk_enable_autoidle_all); #endif int __init clk_init(struct clk_functions * custom_clocks) diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c index 11c54ec8d47f..da4f68dbba1d 100644 --- a/arch/arm/plat-omap/cpu-omap.c +++ b/arch/arm/plat-omap/cpu-omap.c @@ -101,7 +101,7 @@ static int omap_target(struct cpufreq_policy *policy, return ret; } -static int __init omap_cpu_init(struct cpufreq_policy *policy) +static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy) { int result = 0; diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index 10245b837c10..7d9f815cedec 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -35,8 +35,8 @@ static struct platform_device **omap_mcbsp_devices; -void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, - int size) +void omap_mcbsp_register_board_cfg(struct resource *res, int res_count, + struct omap_mcbsp_platform_data *config, int size) { int i; @@ -54,6 +54,8 @@ void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1); if (!new_mcbsp) continue; + platform_device_add_resources(new_mcbsp, &res[i * res_count], + res_count); new_mcbsp->dev.platform_data = &config[i]; ret = platform_device_add(new_mcbsp); if (ret) { @@ -65,8 +67,8 @@ void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, } #else -void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, - int size) +void omap_mcbsp_register_board_cfg(struct resource *res, int res_count, + struct omap_mcbsp_platform_data *config, int size) { } #endif diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 1d706cf63ca0..ee9f6ebba29b 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -342,6 +342,10 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer) l |= 0x02 << 3; /* Set to smart-idle mode */ l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */ + /* Enable autoidle on OMAP2 / OMAP3 */ + if (cpu_is_omap24xx() || cpu_is_omap34xx()) + l |= 0x1 << 0; + /* * Enable wake-up on OMAP2 CPUs. */ diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h index d43e6234dbbb..006e599c6613 100644 --- a/arch/arm/plat-omap/include/plat/clock.h +++ b/arch/arm/plat-omap/include/plat/clock.h @@ -25,6 +25,8 @@ struct clockdomain; * @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 @@ -42,6 +44,8 @@ struct clkops { u8 *, u8 *); void (*find_companion)(struct clk *, void __iomem **, u8 *); + void (*allow_idle)(struct clk *); + void (*deny_idle)(struct clk *); }; #ifdef CONFIG_ARCH_OMAP2PLUS @@ -105,7 +109,6 @@ struct clksel { * @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) @@ -131,12 +134,9 @@ struct clksel { * 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 + * and placed into a different structure, so that the runtime-fixed data * can be placed into read-only space. */ struct dpll_data { @@ -147,7 +147,6 @@ struct dpll_data { 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; @@ -172,12 +171,24 @@ struct dpll_data { #endif -/* struct clk.flags possibilities */ +/* + * 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 @@ -293,6 +304,8 @@ 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 int omap_clk_enable_autoidle_all(void); +extern int omap_clk_disable_autoidle_all(void); extern const struct clkops clkops_null; diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h index be99438d385e..8198bb6cdb5e 100644 --- a/arch/arm/plat-omap/include/plat/cpu.h +++ b/arch/arm/plat-omap/include/plat/cpu.h @@ -5,7 +5,7 @@ * * 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> * @@ -405,8 +405,10 @@ IS_OMAP_TYPE(3517, 0x3517) #define TI8168_REV_ES1_1 (TI816X_CLASS | (OMAP_REVBITS_01 << 8)) #define OMAP443X_CLASS 0x44300044 -#define OMAP4430_REV_ES1_0 OMAP443X_CLASS -#define OMAP4430_REV_ES2_0 0x44301044 +#define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8)) +#define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8)) +#define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8)) +#define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8)) /* * omap_chip bits @@ -434,12 +436,16 @@ IS_OMAP_TYPE(3517, 0x3517) #define CHIP_IS_OMAP3630ES1_1 (1 << 9) #define CHIP_IS_OMAP3630ES1_2 (1 << 10) #define CHIP_IS_OMAP4430ES2 (1 << 11) +#define CHIP_IS_OMAP4430ES2_1 (1 << 12) +#define CHIP_IS_OMAP4430ES2_2 (1 << 13) #define CHIP_IS_TI816X (1 << 14) #define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430) -#define CHIP_IS_OMAP4430 (CHIP_IS_OMAP4430ES1 | \ - CHIP_IS_OMAP4430ES2) +#define CHIP_IS_OMAP4430 (CHIP_IS_OMAP4430ES1 | \ + CHIP_IS_OMAP4430ES2 | \ + CHIP_IS_OMAP4430ES2_1 | \ + CHIP_IS_OMAP4430ES2_2) /* * "GE" here represents "greater than or equal to" in terms of ES diff --git a/arch/arm/plat-omap/include/plat/display.h b/arch/arm/plat-omap/include/plat/display.h index 537f4e449f50..0f140ecedb01 100644 --- a/arch/arm/plat-omap/include/plat/display.h +++ b/arch/arm/plat-omap/include/plat/display.h @@ -23,6 +23,7 @@ #include <linux/list.h> #include <linux/kobject.h> #include <linux/device.h> +#include <linux/platform_device.h> #include <asm/atomic.h> #define DISPC_IRQ_FRAMEDONE (1 << 0) @@ -226,6 +227,16 @@ struct omap_dss_board_info { struct omap_dss_device *default_device; }; +#if defined(CONFIG_OMAP2_DSS_MODULE) || defined(CONFIG_OMAP2_DSS) +/* Init with the board info */ +extern int omap_display_init(struct omap_dss_board_info *board_data); +#else +static inline int omap_display_init(struct omap_dss_board_info *board_data) +{ + return 0; +} +#endif + struct omap_video_timings { /* Unit: pixels */ u16 x_res; diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h index dfa3aff9761b..d6c70d2f4030 100644 --- a/arch/arm/plat-omap/include/plat/dmtimer.h +++ b/arch/arm/plat-omap/include/plat/dmtimer.h @@ -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> + * + * 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. @@ -44,6 +50,11 @@ #define OMAP_TIMER_TRIGGER_OVERFLOW 0x01 #define OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE 0x02 +/* + * IP revision identifier so that Highlander IP + * in OMAP4 can be distinguished. + */ +#define OMAP_TIMER_IP_VERSION_1 0x1 struct omap_dm_timer; extern struct omap_dm_timer *gptimer_wakeup; extern struct sys_timer omap_timer; diff --git a/arch/arm/plat-omap/include/plat/gpmc.h b/arch/arm/plat-omap/include/plat/gpmc.h index 85ded598853e..12b316165037 100644 --- a/arch/arm/plat-omap/include/plat/gpmc.h +++ b/arch/arm/plat-omap/include/plat/gpmc.h @@ -41,6 +41,8 @@ #define GPMC_NAND_ADDRESS 0x0000000b #define GPMC_NAND_DATA 0x0000000c +#define GPMC_ENABLE_IRQ 0x0000000d + /* ECC commands */ #define GPMC_ECC_READ 0 /* Reset Hardware ECC for read */ #define GPMC_ECC_WRITE 1 /* Reset Hardware ECC for write */ @@ -78,6 +80,19 @@ #define WR_RD_PIN_MONITORING 0x00600000 #define GPMC_PREFETCH_STATUS_FIFO_CNT(val) ((val >> 24) & 0x7F) #define GPMC_PREFETCH_STATUS_COUNT(val) (val & 0x00003fff) +#define GPMC_IRQ_FIFOEVENTENABLE 0x01 +#define GPMC_IRQ_COUNT_EVENT 0x02 + +#define PREFETCH_FIFOTHRESHOLD_MAX 0x40 +#define PREFETCH_FIFOTHRESHOLD(val) ((val) << 8) + +enum omap_ecc { + /* 1-bit ecc: stored at end of spare area */ + OMAP_ECC_HAMMING_CODE_DEFAULT = 0, /* Default, s/w method */ + OMAP_ECC_HAMMING_CODE_HW, /* gpmc to detect the error */ + /* 1-bit ecc: stored at begining of spare area as romcode */ + OMAP_ECC_HAMMING_CODE_HW_ROMCODE, /* gpmc method & romcode layout */ +}; /* * Note that all values in this struct are in nanoseconds except sync_clk @@ -130,12 +145,11 @@ 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, +extern int gpmc_prefetch_enable(int cs, int fifo_th, 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); diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h index 69230d685538..174f1b9c8c03 100644 --- a/arch/arm/plat-omap/include/plat/iommu.h +++ b/arch/arm/plat-omap/include/plat/iommu.h @@ -31,6 +31,7 @@ struct iommu { struct clk *clk; void __iomem *regbase; struct device *dev; + void *isr_priv; unsigned int refcount; struct mutex iommu_lock; /* global for this whole object */ @@ -47,7 +48,7 @@ struct iommu { struct list_head mmap; struct mutex mmap_lock; /* protect mmap */ - int (*isr)(struct iommu *obj); + int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs, void *priv); void *ctx; /* iommu context: registres saved area */ u32 da_start; @@ -109,6 +110,13 @@ struct iommu_platform_data { u32 da_end; }; +/* IOMMU errors */ +#define OMAP_IOMMU_ERR_TLB_MISS (1 << 0) +#define OMAP_IOMMU_ERR_TRANS_FAULT (1 << 1) +#define OMAP_IOMMU_ERR_EMU_MISS (1 << 2) +#define OMAP_IOMMU_ERR_TBLWALK_FAULT (1 << 3) +#define OMAP_IOMMU_ERR_MULTIHIT_FAULT (1 << 4) + #if defined(CONFIG_ARCH_OMAP1) #error "iommu for this processor not implemented yet" #else @@ -154,11 +162,17 @@ 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 void iopgtable_lookup_entry(struct iommu *obj, u32 da, u32 **ppgd, + u32 **ppte); 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 int iommu_set_isr(const char *name, + int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs, + void *priv), + void *isr_priv); extern void iommu_save_ctx(struct iommu *obj); extern void iommu_restore_ctx(struct iommu *obj); diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h index 2910de921c52..d77928370463 100644 --- a/arch/arm/plat-omap/include/plat/irqs.h +++ b/arch/arm/plat-omap/include/plat/irqs.h @@ -315,9 +315,12 @@ #define INT_34XX_SSM_ABORT_IRQ 6 #define INT_34XX_SYS_NIRQ 7 #define INT_34XX_D2D_FW_IRQ 8 +#define INT_34XX_L3_DBG_IRQ 9 +#define INT_34XX_L3_APP_IRQ 10 #define INT_34XX_PRCM_MPU_IRQ 11 #define INT_34XX_MCBSP1_IRQ 16 #define INT_34XX_MCBSP2_IRQ 17 +#define INT_34XX_GPMC_IRQ 20 #define INT_34XX_MCBSP3_IRQ 22 #define INT_34XX_MCBSP4_IRQ 23 #define INT_34XX_CAM_IRQ 24 @@ -411,7 +414,13 @@ #define TWL_IRQ_END TWL6030_IRQ_END #endif -#define NR_IRQS TWL_IRQ_END +/* GPMC related */ +#define OMAP_GPMC_IRQ_BASE (TWL_IRQ_END) +#define OMAP_GPMC_NR_IRQS 7 +#define OMAP_GPMC_IRQ_END (OMAP_GPMC_IRQ_BASE + OMAP_GPMC_NR_IRQS) + + +#define NR_IRQS OMAP_GPMC_IRQ_END #define OMAP_IRQ_BIT(irq) (1 << ((irq) % 32)) diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h index 6ecf1051e5f4..f8f690ab2997 100644 --- a/arch/arm/plat-omap/include/plat/mcbsp.h +++ b/arch/arm/plat-omap/include/plat/mcbsp.h @@ -37,6 +37,10 @@ static struct platform_device omap_mcbsp##port_nr = { \ .id = OMAP_MCBSP##port_nr, \ } +#define MCBSP_CONFIG_TYPE2 0x2 +#define MCBSP_CONFIG_TYPE3 0x3 +#define MCBSP_CONFIG_TYPE4 0x4 + #define OMAP7XX_MCBSP1_BASE 0xfffb1000 #define OMAP7XX_MCBSP2_BASE 0xfffb1800 @@ -48,32 +52,14 @@ static struct platform_device omap_mcbsp##port_nr = { \ #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) +#ifdef CONFIG_ARCH_OMAP1 #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_DRR 0x02 +#define OMAP_MCBSP_REG_DXR 0x06 #define OMAP_MCBSP_REG_SPCR2 0x08 #define OMAP_MCBSP_REG_SPCR1 0x0a #define OMAP_MCBSP_REG_RCR2 0x0c @@ -414,8 +400,9 @@ struct omap_mcbsp_platform_data { #ifdef CONFIG_ARCH_OMAP3 /* Sidetone block for McBSP 2 and 3 */ unsigned long phys_base_st; - u16 buffer_size; #endif + u16 buffer_size; + unsigned int mcbsp_config_type; }; struct omap_mcbsp_st_data { @@ -431,6 +418,7 @@ struct omap_mcbsp_st_data { struct omap_mcbsp { struct device *dev; unsigned long phys_base; + unsigned long phys_dma_base; void __iomem *io_base; u8 id; u8 free; @@ -457,7 +445,6 @@ struct omap_mcbsp { /* 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; @@ -466,7 +453,17 @@ struct omap_mcbsp { u16 max_rx_thres; #endif void *reg_cache; + unsigned int mcbsp_config_type; }; + +/** + * omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod + * @sidetone: name of the sidetone device + */ +struct omap_mcbsp_dev_attr { + const char *sidetone; +}; + extern struct omap_mcbsp **mcbsp_ptr; extern int omap_mcbsp_count, omap_mcbsp_cache_size; @@ -474,8 +471,8 @@ extern int omap_mcbsp_count, omap_mcbsp_cache_size; #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_register_board_cfg(struct resource *res, int res_count, + 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); @@ -525,6 +522,9 @@ int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type); void omap2_mcbsp1_mux_clkr_src(u8 mux); void omap2_mcbsp1_mux_fsr_src(u8 mux); +int omap_mcbsp_dma_ch_params(unsigned int id, unsigned int stream); +int omap_mcbsp_dma_reg_params(unsigned int id, unsigned int stream); + #ifdef CONFIG_ARCH_OMAP3 /* Sidetone specific API */ int omap_st_set_chgain(unsigned int id, int channel, s16 chgain); diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h index f57f36abb07e..f38fef9f1310 100644 --- a/arch/arm/plat-omap/include/plat/mmc.h +++ b/arch/arm/plat-omap/include/plat/mmc.h @@ -24,25 +24,19 @@ #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 +#define OMAP_HSMMC_SUPPORTS_DUAL_VOLT BIT(1) + +struct omap_mmc_dev_attr { + u8 flags; +}; + struct omap_mmc_platform_data { /* back-link to device */ struct device *dev; @@ -71,6 +65,9 @@ struct omap_mmc_platform_data { u64 dma_mask; + /* Integrating attributes from the omap_hwmod layer */ + u8 controller_flags; + /* Register offset deviation */ u16 reg_offset; @@ -159,8 +156,7 @@ extern void omap_mmc_notify_cover_event(struct device *dev, int slot, 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); +void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data); int omap_mmc_add(const char *name, int id, unsigned long base, unsigned long size, unsigned int irq, struct omap_mmc_platform_data *data); @@ -169,8 +165,7 @@ 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 void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data) { } static inline int omap_mmc_add(const char *name, int id, unsigned long base, diff --git a/arch/arm/plat-omap/include/plat/nand.h b/arch/arm/plat-omap/include/plat/nand.h index 6562cd082bb1..d86d1ecf0068 100644 --- a/arch/arm/plat-omap/include/plat/nand.h +++ b/arch/arm/plat-omap/include/plat/nand.h @@ -8,8 +8,16 @@ * published by the Free Software Foundation. */ +#include <plat/gpmc.h> #include <linux/mtd/partitions.h> +enum nand_io { + NAND_OMAP_PREFETCH_POLLED = 0, /* prefetch polled mode, default */ + NAND_OMAP_POLLED, /* polled mode, without prefetch */ + NAND_OMAP_PREFETCH_DMA, /* prefetch enabled sDMA mode */ + NAND_OMAP_PREFETCH_IRQ /* prefetch enabled irq mode */ +}; + struct omap_nand_platform_data { unsigned int options; int cs; @@ -20,8 +28,11 @@ struct omap_nand_platform_data { int (*nand_setup)(void); int (*dev_ready)(struct omap_nand_platform_data *); int dma_channel; + int gpmc_irq; + enum nand_io xfer_type; unsigned long phys_base; int devsize; + enum omap_ecc ecc_opt; }; /* minimum size for IO mapping */ diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h index fedd82971c9e..8a1368fbbbd3 100644 --- a/arch/arm/plat-omap/include/plat/omap_hwmod.h +++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h @@ -1,7 +1,7 @@ /* * omap_hwmod macros, structures * - * Copyright (C) 2009-2010 Nokia Corporation + * Copyright (C) 2009-2011 Nokia Corporation * Paul Walmsley * * Created in collaboration with (alphabetical order): Benoît Cousson, @@ -30,6 +30,7 @@ #define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H #include <linux/kernel.h> +#include <linux/init.h> #include <linux/list.h> #include <linux/ioport.h> #include <linux/spinlock.h> @@ -178,7 +179,8 @@ struct omap_hwmod_omap2_firewall { #define ADDR_TYPE_RT (1 << 1) /** - * struct omap_hwmod_addr_space - MPU address space handled by the hwmod + * struct omap_hwmod_addr_space - address space handled by the hwmod + * @name: name of the address space * @pa_start: starting physical address * @pa_end: ending physical address * @flags: (see omap_hwmod_addr_space.flags macros above) @@ -187,6 +189,7 @@ struct omap_hwmod_omap2_firewall { * structure. GPMC is one example. */ struct omap_hwmod_addr_space { + const char *name; u32 pa_start; u32 pa_end; u8 flags; @@ -370,8 +373,10 @@ struct omap_hwmod_omap4_prcm { * 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 + * XXX Should be HWMOD_SETUP_NO_RESET * HWMOD_INIT_NO_IDLE: don't idle this module at boot - important for SDRAM * controller, etc. XXX probably belongs outside the main hwmod file + * XXX Should be HWMOD_SETUP_NO_IDLE * HWMOD_NO_AUTOIDLE: disable module autoidle (OCP_SYSCONFIG.AUTOIDLE) * when module is enabled, rather than the default, which is to * enable autoidle @@ -535,11 +540,13 @@ struct omap_hwmod { const struct omap_chip_id omap_chip; }; -int omap_hwmod_init(struct omap_hwmod **ohs); +int omap_hwmod_register(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 __init omap_hwmod_setup_one(const char *name); + int omap_hwmod_enable(struct omap_hwmod *oh); int _omap_hwmod_enable(struct omap_hwmod *oh); int omap_hwmod_idle(struct omap_hwmod *oh); @@ -554,6 +561,7 @@ 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_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle); int omap_hwmod_reset(struct omap_hwmod *oh); void omap_hwmod_ocp_barrier(struct omap_hwmod *oh); @@ -588,6 +596,8 @@ int omap_hwmod_for_each_by_class(const char *classname, int omap_hwmod_set_postsetup_state(struct omap_hwmod *oh, u8 state); u32 omap_hwmod_get_context_loss_count(struct omap_hwmod *oh); +int omap_hwmod_no_setup_reset(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 diff --git a/arch/arm/plat-omap/include/plat/onenand.h b/arch/arm/plat-omap/include/plat/onenand.h index affe87e9ece7..cbe897ca7f9e 100644 --- a/arch/arm/plat-omap/include/plat/onenand.h +++ b/arch/arm/plat-omap/include/plat/onenand.h @@ -15,12 +15,20 @@ #define ONENAND_SYNC_READ (1 << 0) #define ONENAND_SYNC_READWRITE (1 << 1) +struct onenand_freq_info { + u16 maf_id; + u16 dev_id; + u16 ver_id; +}; + 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 (*onenand_setup)(void __iomem *, int *freq_ptr); + int (*get_freq)(const struct onenand_freq_info *freq_info, + bool *clk_dep); int dma_channel; u8 flags; u8 regulator_can_sleep; diff --git a/arch/arm/plat-omap/include/plat/sdrc.h b/arch/arm/plat-omap/include/plat/sdrc.h index efd87c8dda69..925b12b500dc 100644 --- a/arch/arm/plat-omap/include/plat/sdrc.h +++ b/arch/arm/plat-omap/include/plat/sdrc.h @@ -124,8 +124,14 @@ struct omap_sdrc_params { u32 mr; }; -void __init omap2_sdrc_init(struct omap_sdrc_params *sdrc_cs0, +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) +void omap2_sdrc_init(struct omap_sdrc_params *sdrc_cs0, struct omap_sdrc_params *sdrc_cs1); +#else +static inline void __init omap2_sdrc_init(struct omap_sdrc_params *sdrc_cs0, + struct omap_sdrc_params *sdrc_cs1) {}; +#endif + int omap2_sdrc_get_params(unsigned long r, struct omap_sdrc_params **sdrc_cs0, struct omap_sdrc_params **sdrc_cs1); diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c index b1107c08da56..e3eb0380090a 100644 --- a/arch/arm/plat-omap/iommu.c +++ b/arch/arm/plat-omap/iommu.c @@ -104,6 +104,9 @@ static int iommu_enable(struct iommu *obj) if (!obj) return -EINVAL; + if (!arch_iommu) + return -ENODEV; + clk_enable(obj->clk); err = arch_iommu->enable(obj); @@ -780,25 +783,19 @@ static void iopgtable_clear_entry_all(struct iommu *obj) */ static irqreturn_t iommu_fault_handler(int irq, void *data) { - u32 stat, da; + u32 da, errs; 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); + errs = iommu_report_fault(obj, &da); clk_disable(obj->clk); - if (!stat) + + /* Fault callback or TLB/PTE Dynamic loading */ + if (obj->isr && !obj->isr(obj, da, errs, obj->isr_priv)) return IRQ_HANDLED; iommu_disable(obj); @@ -806,15 +803,16 @@ static irqreturn_t iommu_fault_handler(int irq, void *data) 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); + dev_err(obj->dev, "%s: errs:0x%08x da:0x%08x pgd:0x%p " + "*pgd:px%08x\n", obj->name, errs, 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); + dev_err(obj->dev, "%s: errs:0x%08x da:0x%08x pgd:0x%p *pgd:0x%08x " + "pte:0x%p *pte:0x%08x\n", obj->name, errs, da, iopgd, *iopgd, + iopte, *iopte); return IRQ_NONE; } @@ -917,6 +915,33 @@ void iommu_put(struct iommu *obj) } EXPORT_SYMBOL_GPL(iommu_put); +int iommu_set_isr(const char *name, + int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs, + void *priv), + void *isr_priv) +{ + struct device *dev; + struct iommu *obj; + + dev = driver_find_device(&omap_iommu_driver.driver, NULL, (void *)name, + device_match_by_alias); + if (!dev) + return -ENODEV; + + obj = to_iommu(dev); + mutex_lock(&obj->iommu_lock); + if (obj->refcount != 0) { + mutex_unlock(&obj->iommu_lock); + return -EBUSY; + } + obj->isr = isr; + obj->isr_priv = isr_priv; + mutex_unlock(&obj->iommu_lock); + + return 0; +} +EXPORT_SYMBOL_GPL(iommu_set_isr); + /* * OMAP Device MMU(IOMMU) detection */ diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c index 459b319a9fad..49d3208793e5 100644 --- a/arch/arm/plat-omap/mailbox.c +++ b/arch/arm/plat-omap/mailbox.c @@ -322,15 +322,18 @@ static void omap_mbox_fini(struct omap_mbox *mbox) struct omap_mbox *omap_mbox_get(const char *name, struct notifier_block *nb) { - struct omap_mbox *mbox; - int ret; + struct omap_mbox *_mbox, *mbox = NULL; + int i, ret; if (!mboxes) return ERR_PTR(-EINVAL); - for (mbox = *mboxes; mbox; mbox++) - if (!strcmp(mbox->name, name)) + for (i = 0; (_mbox = mboxes[i]); i++) { + if (!strcmp(_mbox->name, name)) { + mbox = _mbox; break; + } + } if (!mbox) return ERR_PTR(-ENOENT); diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index b5a6e178a7f9..d598d9fd65ac 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -27,6 +27,8 @@ #include <plat/dma.h> #include <plat/mcbsp.h> +#include <plat/omap_device.h> +#include <linux/pm_runtime.h> /* XXX These "sideways" includes are a sign that something is wrong */ #include "../mach-omap2/cm2xxx_3xxx.h" @@ -227,10 +229,83 @@ void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg *config) } EXPORT_SYMBOL(omap_mcbsp_config); +/** + * omap_mcbsp_dma_params - returns the dma channel number + * @id - mcbsp id + * @stream - indicates the direction of data flow (rx or tx) + * + * Returns the dma channel number for the rx channel or tx channel + * based on the value of @stream for the requested mcbsp given by @id + */ +int omap_mcbsp_dma_ch_params(unsigned int id, unsigned int stream) +{ + 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 (stream) + return mcbsp->dma_rx_sync; + else + return mcbsp->dma_tx_sync; +} +EXPORT_SYMBOL(omap_mcbsp_dma_ch_params); + +/** + * omap_mcbsp_dma_reg_params - returns the address of mcbsp data register + * @id - mcbsp id + * @stream - indicates the direction of data flow (rx or tx) + * + * Returns the address of mcbsp data transmit register or data receive register + * to be used by DMA for transferring/receiving data based on the value of + * @stream for the requested mcbsp given by @id + */ +int omap_mcbsp_dma_reg_params(unsigned int id, unsigned int stream) +{ + struct omap_mcbsp *mcbsp; + int data_reg; + + 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); + + data_reg = mcbsp->phys_dma_base; + + if (mcbsp->mcbsp_config_type < MCBSP_CONFIG_TYPE2) { + if (stream) + data_reg += OMAP_MCBSP_REG_DRR1; + else + data_reg += OMAP_MCBSP_REG_DXR1; + } else { + if (stream) + data_reg += OMAP_MCBSP_REG_DRR; + else + data_reg += OMAP_MCBSP_REG_DXR; + } + + return data_reg; +} +EXPORT_SYMBOL(omap_mcbsp_dma_reg_params); + #ifdef CONFIG_ARCH_OMAP3 +static struct omap_device *find_omap_device_by_dev(struct device *dev) +{ + struct platform_device *pdev = container_of(dev, + struct platform_device, dev); + return container_of(pdev, struct omap_device, pdev); +} + static void omap_st_on(struct omap_mcbsp *mcbsp) { unsigned int w; + struct omap_device *od; + + od = find_omap_device_by_dev(mcbsp->dev); /* * Sidetone uses McBSP ICLK - which must not idle when sidetones @@ -244,9 +319,6 @@ static void omap_st_on(struct omap_mcbsp *mcbsp) 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); @@ -255,13 +327,13 @@ static void omap_st_on(struct omap_mcbsp *mcbsp) static void omap_st_off(struct omap_mcbsp *mcbsp) { unsigned int w; + struct omap_device *od; + + od = find_omap_device_by_dev(mcbsp->dev); 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)); @@ -273,9 +345,9 @@ static void omap_st_off(struct omap_mcbsp *mcbsp) static void omap_st_fir_write(struct omap_mcbsp *mcbsp, s16 *fir) { u16 val, i; + struct omap_device *od; - val = MCBSP_ST_READ(mcbsp, SYSCONFIG); - MCBSP_ST_WRITE(mcbsp, SYSCONFIG, val & ~(ST_AUTOIDLE)); + od = find_omap_device_by_dev(mcbsp->dev); val = MCBSP_ST_READ(mcbsp, SSELCR); @@ -303,9 +375,9 @@ static void omap_st_chgain(struct omap_mcbsp *mcbsp) { u16 w; struct omap_mcbsp_st_data *st_data = mcbsp->st_data; + struct omap_device *od; - w = MCBSP_ST_READ(mcbsp, SYSCONFIG); - MCBSP_ST_WRITE(mcbsp, SYSCONFIG, w & ~(ST_AUTOIDLE)); + od = find_omap_device_by_dev(mcbsp->dev); w = MCBSP_ST_READ(mcbsp, SSELCR); @@ -648,48 +720,33 @@ EXPORT_SYMBOL(omap_mcbsp_get_dma_op_mode); static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp) { + struct omap_device *od; + + od = find_omap_device_by_dev(mcbsp->dev); /* * 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); + MCBSP_WRITE(mcbsp, WAKEUPEN, XRDYEN | RRDYEN); } } static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp) { + struct omap_device *od; + + od = find_omap_device_by_dev(mcbsp->dev); + /* * 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); } @@ -764,8 +821,7 @@ int omap_mcbsp_request(unsigned int id) if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->request) mcbsp->pdata->ops->request(id); - clk_enable(mcbsp->iclk); - clk_enable(mcbsp->fclk); + pm_runtime_get_sync(mcbsp->dev); /* Do procedure specific to omap34xx arch, if applicable */ omap34xx_mcbsp_request(mcbsp); @@ -813,8 +869,7 @@ err_clk_disable: /* Do procedure specific to omap34xx arch, if applicable */ omap34xx_mcbsp_free(mcbsp); - clk_disable(mcbsp->fclk); - clk_disable(mcbsp->iclk); + pm_runtime_put_sync(mcbsp->dev); spin_lock(&mcbsp->lock); mcbsp->free = true; @@ -844,8 +899,7 @@ void omap_mcbsp_free(unsigned int id) /* Do procedure specific to omap34xx arch, if applicable */ omap34xx_mcbsp_free(mcbsp); - clk_disable(mcbsp->fclk); - clk_disable(mcbsp->iclk); + pm_runtime_put_sync(mcbsp->dev); if (mcbsp->io_type == OMAP_MCBSP_IRQ_IO) { /* Free IRQs */ @@ -1649,7 +1703,8 @@ static const struct attribute_group sidetone_attr_group = { static int __devinit omap_st_add(struct omap_mcbsp *mcbsp) { - struct omap_mcbsp_platform_data *pdata = mcbsp->pdata; + struct platform_device *pdev; + struct resource *res; struct omap_mcbsp_st_data *st_data; int err; @@ -1659,7 +1714,10 @@ static int __devinit omap_st_add(struct omap_mcbsp *mcbsp) goto err1; } - st_data->io_base_st = ioremap(pdata->phys_base_st, SZ_4K); + pdev = container_of(mcbsp->dev, struct platform_device, dev); + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sidetone"); + st_data->io_base_st = ioremap(res->start, resource_size(res)); if (!st_data->io_base_st) { err = -ENOMEM; goto err2; @@ -1748,6 +1806,7 @@ 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; + struct resource *res; int ret = 0; if (!pdata) { @@ -1777,47 +1836,78 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev) 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); + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu"); + if (!res) { + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "%s:mcbsp%d has invalid memory" + "resource\n", __func__, pdev->id); + ret = -ENOMEM; + goto exit; + } + } + mcbsp->phys_base = res->start; + omap_mcbsp_cache_size = resource_size(res); + mcbsp->io_base = ioremap(res->start, resource_size(res)); if (!mcbsp->io_base) { ret = -ENOMEM; goto err_ioremap; } + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dma"); + if (!res) + mcbsp->phys_dma_base = mcbsp->phys_base; + else + mcbsp->phys_dma_base = res->start; + /* 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->tx_irq = platform_get_irq_byname(pdev, "tx"); + mcbsp->rx_irq = platform_get_irq_byname(pdev, "rx"); + + /* From OMAP4 there will be a single irq line */ + if (mcbsp->tx_irq == -ENXIO) + mcbsp->tx_irq = platform_get_irq(pdev, 0); + + res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx"); + if (!res) { + dev_err(&pdev->dev, "%s:mcbsp%d has invalid rx DMA channel\n", + __func__, pdev->id); + ret = -ENODEV; + goto err_res; + } + mcbsp->dma_rx_sync = res->start; + + res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx"); + if (!res) { + dev_err(&pdev->dev, "%s:mcbsp%d has invalid tx DMA channel\n", + __func__, pdev->id); + ret = -ENODEV; + goto err_res; } + mcbsp->dma_tx_sync = res->start; 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; + goto err_res; } mcbsp->pdata = pdata; mcbsp->dev = &pdev->dev; mcbsp_ptr[id] = mcbsp; + mcbsp->mcbsp_config_type = pdata->mcbsp_config_type; platform_set_drvdata(pdev, mcbsp); + pm_runtime_enable(mcbsp->dev); /* Initialize mcbsp properties for OMAP34XX if needed / applicable */ omap34xx_device_init(mcbsp); return 0; -err_fclk: - clk_put(mcbsp->iclk); -err_iclk: +err_res: iounmap(mcbsp->io_base); err_ioremap: kfree(mcbsp); @@ -1839,7 +1929,6 @@ static int __devexit omap_mcbsp_remove(struct platform_device *pdev) omap34xx_device_exit(mcbsp); clk_put(mcbsp->fclk); - clk_put(mcbsp->iclk); iounmap(mcbsp->io_base); kfree(mcbsp); diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index 57adb270767b..9bbda9acb73b 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -83,9 +83,11 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/clk.h> +#include <linux/clkdev.h> #include <plat/omap_device.h> #include <plat/omap_hwmod.h> +#include <plat/clock.h> /* These parameters are passed to _omap_device_{de,}activate() */ #define USE_WAKEUP_LAT 0 @@ -239,12 +241,12 @@ static inline struct omap_device *_find_by_pdev(struct platform_device *pdev) } /** - * _add_optional_clock_alias - Add clock alias for hwmod optional clocks + * _add_optional_clock_clkdev - Add clkdev entry 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> + * adds an entry in the clkdev table of the form <dev-id=dev_name, con-id=role> + * if it does not exist already. * * The function is called from inside omap_device_build_ss(), after * omap_device_register. @@ -254,25 +256,39 @@ static inline struct omap_device *_find_by_pdev(struct platform_device *pdev) * * No return value. */ -static void _add_optional_clock_alias(struct omap_device *od, +static void _add_optional_clock_clkdev(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; + struct clk *r; + struct clk_lookup *l; 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", + r = clk_get_sys(dev_name(&od->pdev.dev), oc->role); + if (!IS_ERR(r)) + continue; /* clkdev entry exists */ + + r = omap_clk_get_by_name((char *)oc->clk); + if (IS_ERR(r)) { + pr_err("omap_device: %s: omap_clk_get_by_name for %s failed\n", + dev_name(&od->pdev.dev), oc->clk); + continue; + } + + l = clkdev_alloc(r, oc->role, dev_name(&od->pdev.dev)); + if (!l) { + pr_err("omap_device: %s: clkdev_alloc for %s failed\n", dev_name(&od->pdev.dev), oc->role); + return; + } + clkdev_add(l); } } @@ -480,7 +496,7 @@ struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id, for (i = 0; i < oh_cnt; i++) { hwmods[i]->od = od; - _add_optional_clock_alias(od, hwmods[i]); + _add_optional_clock_clkdev(od, hwmods[i]); } if (ret) diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index aedcb3be4e66..9d80064e979b 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -405,20 +405,6 @@ static inline int omap34xx_sram_init(void) } #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(); @@ -432,8 +418,6 @@ int __init omap_sram_init(void) omap243x_sram_init(); else if (cpu_is_omap34xx()) omap34xx_sram_init(); - else if (cpu_is_omap44xx()) - omap44xx_sram_init(); return 0; } |