diff options
Diffstat (limited to 'arch/arm/plat-omap')
| -rw-r--r-- | arch/arm/plat-omap/cpu-omap.c | 2 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/dmtimer.h | 11 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/iommu.h | 14 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/mmc.h | 29 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/omap_hwmod.h | 9 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/sdrc.h | 8 | ||||
| -rw-r--r-- | arch/arm/plat-omap/iommu.c | 52 | ||||
| -rw-r--r-- | arch/arm/plat-omap/mailbox.c | 11 |
8 files changed, 95 insertions, 41 deletions
diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c index 11c54ec..da4f68d 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/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h index dfa3aff..d6c70d2 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/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h index 19cbb5e..174f1b9 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 @@ -161,6 +169,10 @@ 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/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h index f57f36a..f38fef9 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/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h index 04b1ea1..97aa8e7 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> @@ -372,8 +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 @@ -537,11 +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); diff --git a/arch/arm/plat-omap/include/plat/sdrc.h b/arch/arm/plat-omap/include/plat/sdrc.h index efd87c8..925b12b 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 4b3218e..e3eb038 100644 --- a/arch/arm/plat-omap/iommu.c +++ b/arch/arm/plat-omap/iommu.c @@ -783,25 +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); @@ -809,15 +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", obj->name, - 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", - obj->name, 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; } @@ -920,6 +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 459b319..49d3208 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); |
