diff options
Diffstat (limited to 'arch/arm/plat-omap')
33 files changed, 709 insertions, 420 deletions
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index 6da796ef82bd..78b49a626d06 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -110,8 +110,13 @@ config OMAP_IOMMU tristate config OMAP_IOMMU_DEBUG - depends on OMAP_IOMMU - tristate + tristate "Export OMAP IOMMU internals in DebugFS" + depends on OMAP_IOMMU && DEBUG_FS + help + Select this to see extensive information about + the internal state of OMAP IOMMU in debugfs. + + Say N unless you know you need this. choice prompt "System timer" diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index 5261a0923691..7190cbd92620 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -12,14 +12,12 @@ */ #include <linux/kernel.h> #include <linux/init.h> -#include <linux/module.h> #include <linux/list.h> #include <linux/errno.h> #include <linux/err.h> #include <linux/string.h> #include <linux/clk.h> #include <linux/mutex.h> -#include <linux/platform_device.h> #include <linux/cpufreq.h> #include <linux/debugfs.h> #include <linux/io.h> @@ -32,9 +30,9 @@ static DEFINE_SPINLOCK(clockfw_lock); static struct clk_functions *arch_clock; -/*------------------------------------------------------------------------- +/* * Standard clock functions defined in include/linux/clk.h - *-------------------------------------------------------------------------*/ + */ int clk_enable(struct clk *clk) { @@ -92,9 +90,9 @@ unsigned long clk_get_rate(struct clk *clk) } EXPORT_SYMBOL(clk_get_rate); -/*------------------------------------------------------------------------- +/* * Optional clock functions defined in include/linux/clk.h - *-------------------------------------------------------------------------*/ + */ long clk_round_rate(struct clk *clk, unsigned long rate) { @@ -140,9 +138,6 @@ int clk_set_parent(struct clk *clk, struct clk *parent) unsigned long flags; int ret = -EINVAL; - if (cpu_is_omap44xx()) - /* OMAP4 clk framework not supported yet */ - return 0; if (clk == NULL || IS_ERR(clk) || parent == NULL || IS_ERR(parent)) return ret; @@ -169,9 +164,9 @@ struct clk *clk_get_parent(struct clk *clk) } EXPORT_SYMBOL(clk_get_parent); -/*------------------------------------------------------------------------- +/* * OMAP specific clock functions shared between omap1 and omap2 - *-------------------------------------------------------------------------*/ + */ int __initdata mpurate; @@ -222,7 +217,7 @@ void clk_reparent(struct clk *child, struct clk *parent) } /* Propagate rate to children */ -void propagate_rate(struct clk * tclk) +void propagate_rate(struct clk *tclk) { struct clk *clkp; @@ -389,7 +384,9 @@ void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table) } #endif -/*-------------------------------------------------------------------------*/ +/* + * + */ #ifdef CONFIG_OMAP_RESET_CLOCKS /* @@ -404,7 +401,7 @@ static int __init clk_disable_unused(void) if (ck->ops == &clkops_null) continue; - if (ck->usecount > 0 || ck->enable_reg == 0) + if (ck->usecount > 0 || !ck->enable_reg) continue; spin_lock_irqsave(&clockfw_lock, flags); diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c index 088c1a03b946..ebed82699eb2 100644 --- a/arch/arm/plat-omap/common.c +++ b/arch/arm/plat-omap/common.c @@ -22,6 +22,7 @@ #include <linux/serial_reg.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/omapfb.h> #include <mach/hardware.h> #include <asm/system.h> @@ -35,6 +36,7 @@ #include <plat/mux.h> #include <plat/fpga.h> #include <plat/serial.h> +#include <plat/vram.h> #include <plat/clock.h> @@ -44,15 +46,9 @@ #define NO_LENGTH_CHECK 0xffffffff -unsigned char omap_bootloader_tag[512]; -int omap_bootloader_tag_len; - struct omap_board_config_kernel *omap_board_config; int omap_board_config_size; -/* used by omap-smp.c and board-4430sdp.c */ -void __iomem *gic_cpu_base_addr; - static const void *get_config(u16 tag, size_t len, int skip, size_t *len_out) { struct omap_board_config_kernel *kinfo = NULL; @@ -87,6 +83,12 @@ const void *omap_get_var_config(u16 tag, size_t *len) } EXPORT_SYMBOL(omap_get_var_config); +void __init omap_reserve(void) +{ + omapfb_reserve_sdram_memblock(); + omap_vram_reserve_sdram_memblock(); +} + /* * 32KHz clocksource ... always available, on pretty most chips except * OMAP 730 and 1510. Other timers could be used as clocksources, with @@ -100,10 +102,17 @@ EXPORT_SYMBOL(omap_get_var_config); #include <linux/clocksource.h> +/* + * offset_32k holds the init time counter value. It is then subtracted + * from every counter read to achieve a counter that counts time from the + * kernel boot (needed for sched_clock()). + */ +static u32 offset_32k __read_mostly; + #ifdef CONFIG_ARCH_OMAP16XX static cycle_t omap16xx_32k_read(struct clocksource *cs) { - return omap_readl(OMAP16XX_TIMER_32K_SYNCHRONIZED); + return omap_readl(OMAP16XX_TIMER_32K_SYNCHRONIZED) - offset_32k; } #else #define omap16xx_32k_read NULL @@ -112,7 +121,7 @@ static cycle_t omap16xx_32k_read(struct clocksource *cs) #ifdef CONFIG_ARCH_OMAP2420 static cycle_t omap2420_32k_read(struct clocksource *cs) { - return omap_readl(OMAP2420_32KSYNCT_BASE + 0x10); + return omap_readl(OMAP2420_32KSYNCT_BASE + 0x10) - offset_32k; } #else #define omap2420_32k_read NULL @@ -121,7 +130,7 @@ static cycle_t omap2420_32k_read(struct clocksource *cs) #ifdef CONFIG_ARCH_OMAP2430 static cycle_t omap2430_32k_read(struct clocksource *cs) { - return omap_readl(OMAP2430_32KSYNCT_BASE + 0x10); + return omap_readl(OMAP2430_32KSYNCT_BASE + 0x10) - offset_32k; } #else #define omap2430_32k_read NULL @@ -130,7 +139,7 @@ static cycle_t omap2430_32k_read(struct clocksource *cs) #ifdef CONFIG_ARCH_OMAP3 static cycle_t omap34xx_32k_read(struct clocksource *cs) { - return omap_readl(OMAP3430_32KSYNCT_BASE + 0x10); + return omap_readl(OMAP3430_32KSYNCT_BASE + 0x10) - offset_32k; } #else #define omap34xx_32k_read NULL @@ -139,7 +148,7 @@ static cycle_t omap34xx_32k_read(struct clocksource *cs) #ifdef CONFIG_ARCH_OMAP4 static cycle_t omap44xx_32k_read(struct clocksource *cs) { - return omap_readl(OMAP4430_32KSYNCT_BASE + 0x10); + return omap_readl(OMAP4430_32KSYNCT_BASE + 0x10) - offset_32k; } #else #define omap44xx_32k_read NULL @@ -227,6 +236,8 @@ static int __init omap_init_clocksource_32k(void) clocksource_32k.mult = clocksource_hz2mult(32768, clocksource_32k.shift); + offset_32k = clocksource_32k.read(&clocksource_32k); + if (clocksource_register(&clocksource_32k)) printk(err, clocksource_32k.name); } diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index 4a4cd8774aaa..95677d17cd1c 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -14,6 +14,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/slab.h> #include <mach/hardware.h> #include <asm/mach-types.h> diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 2ab224c8e16c..f7f571e7987e 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -29,6 +29,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/io.h> +#include <linux/slab.h> #include <asm/system.h> #include <mach/hardware.h> @@ -500,7 +501,8 @@ void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) burst = 0x2; break; } - /* not supported by current hardware on OMAP1 + /* + * not supported by current hardware on OMAP1 * w |= (0x03 << 7); * fall through */ @@ -509,7 +511,8 @@ void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) burst = 0x3; break; } - /* OMAP1 don't support burst 16 + /* + * OMAP1 don't support burst 16 * fall through */ default: @@ -603,7 +606,8 @@ void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) burst = 0x3; break; } - /* OMAP1 don't support burst 16 + /* + * OMAP1 don't support burst 16 * fall through */ default: @@ -708,6 +712,21 @@ static inline void omap2_enable_irq_lch(int lch) spin_unlock_irqrestore(&dma_chan_lock, flags); } +static inline void omap2_disable_irq_lch(int lch) +{ + u32 val; + unsigned long flags; + + if (!cpu_class_is_omap2()) + return; + + spin_lock_irqsave(&dma_chan_lock, flags); + val = dma_read(IRQENABLE_L0); + val &= ~(1 << lch); + dma_write(val, IRQENABLE_L0); + spin_unlock_irqrestore(&dma_chan_lock, flags); +} + int omap_request_dma(int dev_id, const char *dev_name, void (*callback)(int lch, u16 ch_status, void *data), void *data, int *dma_ch_out) @@ -806,14 +825,7 @@ void omap_free_dma(int lch) } if (cpu_class_is_omap2()) { - u32 val; - - spin_lock_irqsave(&dma_chan_lock, flags); - /* Disable interrupts */ - val = dma_read(IRQENABLE_L0); - val &= ~(1 << lch); - dma_write(val, IRQENABLE_L0); - spin_unlock_irqrestore(&dma_chan_lock, flags); + omap2_disable_irq_lch(lch); /* Clear the CSR register and IRQ status register */ dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR(lch)); @@ -936,6 +948,15 @@ void omap_start_dma(int lch) { u32 l; + /* + * The CPC/CDAC register needs to be initialized to zero + * before starting dma transfer. + */ + if (cpu_is_omap15xx()) + dma_write(0, CPC(lch)); + else + dma_write(0, CDAC(lch)); + if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) { int next_lch, cur_lch; char dma_chan_link_map[OMAP_DMA4_LOGICAL_DMA_CH_COUNT]; @@ -1267,8 +1288,10 @@ int omap_request_dma_chain(int dev_id, const char *dev_name, return -EINVAL; } - /* Allocate a queue to maintain the status of the channels - * in the chain */ + /* + * Allocate a queue to maintain the status of the channels + * in the chain + */ channels = kmalloc(sizeof(*channels) * no_of_chans, GFP_KERNEL); if (channels == NULL) { printk(KERN_ERR "omap_dma: No memory for channel queue\n"); @@ -1897,7 +1920,8 @@ static int omap2_dma_handle_ch(int ch) printk(KERN_INFO "DMA transaction error with device %d\n", dma_chan[ch].dev_id); if (cpu_class_is_omap2()) { - /* Errata: sDMA Channel is not disabled + /* + * Errata: sDMA Channel is not disabled * after a transaction error. So we explicitely * disable the channel */ @@ -2097,6 +2121,9 @@ static int __init omap_init_dma(void) for (ch = 0; ch < dma_chan_count; ch++) { omap_clear_dma(ch); + if (cpu_class_is_omap2()) + omap2_disable_irq_lch(ch); + dma_chan[ch].dev_id = -1; dma_chan[ch].next_lch = -1; diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 4d99dfbc8bef..44bafdab2dce 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -264,8 +264,8 @@ static struct omap_dm_timer omap4_dm_timers[] = { { .phys_base = 0x4a320000, .irq = OMAP44XX_IRQ_GPT12 }, }; static const char *omap4_dm_source_names[] __initdata = { - "sys_ck", - "omap_32k_fck", + "sys_clkin_ck", + "sys_32k_ck", NULL }; static struct clk *omap4_dm_source_clocks[2]; @@ -541,11 +541,11 @@ void omap_dm_timer_stop(struct omap_dm_timer *timer) * timer is stopped */ udelay(3500000 / clk_get_rate(timer->fclk) + 1); - /* Ack possibly pending interrupt */ - omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG, - OMAP_TIMER_INT_OVERFLOW); #endif } + /* Ack possibly pending interrupt */ + omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG, + OMAP_TIMER_INT_OVERFLOW); } EXPORT_SYMBOL_GPL(omap_dm_timer_stop); diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c index d3eea4f47533..0054b9501a53 100644 --- a/arch/arm/plat-omap/fb.c +++ b/arch/arm/plat-omap/fb.c @@ -26,7 +26,7 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/io.h> #include <linux/omapfb.h> @@ -171,49 +171,78 @@ static int check_fbmem_region(int region_idx, struct omapfb_mem_region *rg, return 0; } +static int valid_sdram(unsigned long addr, unsigned long size) +{ + struct memblock_property res; + + res.base = addr; + res.size = size; + return !memblock_find(&res) && res.base == addr && res.size == size; +} + +static int reserve_sdram(unsigned long addr, unsigned long size) +{ + if (memblock_is_region_reserved(addr, size)) + return -EBUSY; + if (memblock_reserve(addr, size)) + return -ENOMEM; + return 0; +} + /* * Called from map_io. We need to call to this early enough so that we * can reserve the fixed SDRAM regions before VM could get hold of them. */ -void __init omapfb_reserve_sdram(void) +void __init omapfb_reserve_sdram_memblock(void) { - struct bootmem_data *bdata; - unsigned long sdram_start, sdram_size; - unsigned long reserved; - int i; + unsigned long reserved = 0; + int i; if (config_invalid) return; - bdata = NODE_DATA(0)->bdata; - sdram_start = bdata->node_min_pfn << PAGE_SHIFT; - sdram_size = (bdata->node_low_pfn << PAGE_SHIFT) - sdram_start; - reserved = 0; for (i = 0; ; i++) { - struct omapfb_mem_region rg; + struct omapfb_mem_region rg; if (get_fbmem_region(i, &rg) < 0) break; + if (i == OMAPFB_PLANE_NUM) { - printk(KERN_ERR - "Extraneous FB mem configuration entries\n"); + pr_err("Extraneous FB mem configuration entries\n"); config_invalid = 1; return; } + /* Check if it's our memory type. */ - if (set_fbmem_region_type(&rg, OMAPFB_MEMTYPE_SDRAM, - sdram_start, sdram_size) < 0 || - (rg.type != OMAPFB_MEMTYPE_SDRAM)) + if (rg.type != OMAPFB_MEMTYPE_SDRAM) continue; - BUG_ON(omapfb_config.mem_desc.region[i].size); - if (check_fbmem_region(i, &rg, sdram_start, sdram_size) < 0) { + + /* Check if the region falls within SDRAM */ + if (rg.paddr && !valid_sdram(rg.paddr, rg.size)) + continue; + + if (rg.size == 0) { + pr_err("Zero size for FB region %d\n", i); config_invalid = 1; return; } + if (rg.paddr) { - reserve_bootmem(rg.paddr, rg.size, BOOTMEM_DEFAULT); + if (reserve_sdram(rg.paddr, rg.size)) { + pr_err("Trying to use reserved memory for FB region %d\n", + i); + config_invalid = 1; + return; + } reserved += rg.size; } + + if (omapfb_config.mem_desc.region[i].size) { + pr_err("FB region %d already set\n", i); + config_invalid = 1; + return; + } + omapfb_config.mem_desc.region[i] = rg; configured_regions++; } @@ -359,7 +388,10 @@ static inline int omap_init_fb(void) arch_initcall(omap_init_fb); -void omapfb_reserve_sdram(void) {} +void omapfb_reserve_sdram_memblock(void) +{ +} + unsigned long omapfb_reserve_sram(unsigned long sram_pstart, unsigned long sram_vstart, unsigned long sram_size, @@ -375,7 +407,10 @@ void omapfb_set_platform_data(struct omapfb_platform_data *data) { } -void omapfb_reserve_sdram(void) {} +void omapfb_reserve_sdram_memblock(void) +{ +} + unsigned long omapfb_reserve_sram(unsigned long sram_pstart, unsigned long sram_vstart, unsigned long sram_size, diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 76a347b3ce07..9b7e3545f325 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -27,6 +27,7 @@ #include <mach/irqs.h> #include <mach/gpio.h> #include <asm/mach/irq.h> +#include <plat/powerdomain.h> /* * OMAP1510 GPIO registers @@ -137,7 +138,11 @@ #define OMAP4_GPIO_IRQSTATUSCLR1 0x0040 #define OMAP4_GPIO_IRQWAKEN0 0x0044 #define OMAP4_GPIO_IRQWAKEN1 0x0048 -#define OMAP4_GPIO_SYSSTATUS 0x0104 +#define OMAP4_GPIO_SYSSTATUS 0x0114 +#define OMAP4_GPIO_IRQENABLE1 0x011c +#define OMAP4_GPIO_WAKE_EN 0x0120 +#define OMAP4_GPIO_IRQSTATUS2 0x0128 +#define OMAP4_GPIO_IRQENABLE2 0x012c #define OMAP4_GPIO_CTRL 0x0130 #define OMAP4_GPIO_OE 0x0134 #define OMAP4_GPIO_DATAIN 0x0138 @@ -148,6 +153,10 @@ #define OMAP4_GPIO_FALLINGDETECT 0x014c #define OMAP4_GPIO_DEBOUNCENABLE 0x0150 #define OMAP4_GPIO_DEBOUNCINGTIME 0x0154 +#define OMAP4_GPIO_CLEARIRQENABLE1 0x0160 +#define OMAP4_GPIO_SETIRQENABLE1 0x0164 +#define OMAP4_GPIO_CLEARWKUENA 0x0180 +#define OMAP4_GPIO_SETWKUENA 0x0184 #define OMAP4_GPIO_CLEARDATAOUT 0x0190 #define OMAP4_GPIO_SETDATAOUT 0x0194 /* @@ -195,6 +204,7 @@ struct gpio_bank { struct gpio_chip chip; struct clk *dbck; u32 mod_usage; + u32 dbck_enable_mask; }; #define METHOD_MPUIO 0 @@ -303,8 +313,6 @@ struct omap3_gpio_regs { u32 risingdetect; u32 fallingdetect; u32 dataout; - u32 setwkuena; - u32 setdataout; }; static struct omap3_gpio_regs gpio_context[OMAP34XX_NR_GPIOS]; @@ -591,12 +599,16 @@ static int _get_gpio_dataout(struct gpio_bank *bank, int gpio) reg += OMAP7XX_GPIO_DATA_OUTPUT; break; #endif -#ifdef CONFIG_ARCH_OMAP2PLUS +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) case METHOD_GPIO_24XX: - case METHOD_GPIO_44XX: reg += OMAP24XX_GPIO_DATAOUT; break; #endif +#ifdef CONFIG_ARCH_OMAP4 + case METHOD_GPIO_44XX: + reg += OMAP4_GPIO_DATAOUT; + break; +#endif default: return -EINVAL; } @@ -612,78 +624,59 @@ do { \ __raw_writel(l, base + reg); \ } while(0) -void omap_set_gpio_debounce(int gpio, int enable) +/** + * _set_gpio_debounce - low level gpio debounce time + * @bank: the gpio bank we're acting upon + * @gpio: the gpio number on this @gpio + * @debounce: debounce time to use + * + * OMAP's debounce time is in 31us steps so we need + * to convert and round up to the closest unit. + */ +static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio, + unsigned debounce) { - struct gpio_bank *bank; - void __iomem *reg; - unsigned long flags; - u32 val, l = 1 << get_gpio_index(gpio); + void __iomem *reg = bank->base; + u32 val; + u32 l; + + if (debounce < 32) + debounce = 0x01; + else if (debounce > 7936) + debounce = 0xff; + else + debounce = (debounce / 0x1f) - 1; - if (cpu_class_is_omap1()) - return; + l = 1 << get_gpio_index(gpio); - bank = get_gpio_bank(gpio); - reg = bank->base; + if (cpu_is_omap44xx()) + reg += OMAP4_GPIO_DEBOUNCINGTIME; + else + reg += OMAP24XX_GPIO_DEBOUNCE_VAL; + + __raw_writel(debounce, reg); + reg = bank->base; if (cpu_is_omap44xx()) reg += OMAP4_GPIO_DEBOUNCENABLE; else reg += OMAP24XX_GPIO_DEBOUNCE_EN; - if (!(bank->mod_usage & l)) { - printk(KERN_ERR "GPIO %d not requested\n", gpio); - return; - } - - spin_lock_irqsave(&bank->lock, flags); val = __raw_readl(reg); - if (enable && !(val & l)) + if (debounce) { val |= l; - else if (!enable && (val & l)) - val &= ~l; - else - goto done; - - if (cpu_is_omap34xx() || cpu_is_omap44xx()) { - if (enable) + if (cpu_is_omap34xx() || cpu_is_omap44xx()) clk_enable(bank->dbck); - else + } else { + val &= ~l; + if (cpu_is_omap34xx() || cpu_is_omap44xx()) clk_disable(bank->dbck); } + bank->dbck_enable_mask = val; __raw_writel(val, reg); -done: - spin_unlock_irqrestore(&bank->lock, flags); } -EXPORT_SYMBOL(omap_set_gpio_debounce); - -void omap_set_gpio_debounce_time(int gpio, int enc_time) -{ - struct gpio_bank *bank; - void __iomem *reg; - - if (cpu_class_is_omap1()) - return; - - bank = get_gpio_bank(gpio); - reg = bank->base; - - if (!bank->mod_usage) { - printk(KERN_ERR "GPIO not requested\n"); - return; - } - - enc_time &= 0xff; - - if (cpu_is_omap44xx()) - reg += OMAP4_GPIO_DEBOUNCINGTIME; - else - reg += OMAP24XX_GPIO_DEBOUNCE_VAL; - - __raw_writel(enc_time, reg); -} -EXPORT_SYMBOL(omap_set_gpio_debounce_time); #ifdef CONFIG_ARCH_OMAP2PLUS static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio, @@ -724,15 +717,27 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio, OMAP4_GPIO_IRQWAKEN0); } } else { - if (trigger != 0) + /* + * GPIO wakeup request can only be generated on edge + * transitions + */ + if (trigger & IRQ_TYPE_EDGE_BOTH) __raw_writel(1 << gpio, bank->base + OMAP24XX_GPIO_SETWKUENA); else __raw_writel(1 << gpio, bank->base + OMAP24XX_GPIO_CLEARWKUENA); } - } else { - if (trigger != 0) + } + /* This part needs to be executed always for OMAP34xx */ + if (cpu_is_omap34xx() || (bank->non_wakeup_gpios & gpio_bit)) { + /* + * Log the edge gpio and manually trigger the IRQ + * after resume if the input level changes + * to avoid irq lost during PER RET/OFF mode + * Applies for omap2 non-wakeup gpio and all omap3 gpios + */ + if (trigger & IRQ_TYPE_EDGE_BOTH) bank->enabled_non_wakeup_gpios |= gpio_bit; else bank->enabled_non_wakeup_gpios &= ~gpio_bit; @@ -798,7 +803,7 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) case METHOD_MPUIO: reg += OMAP_MPUIO_GPIO_INT_EDGE; l = __raw_readl(reg); - if (trigger & IRQ_TYPE_EDGE_BOTH) + if ((trigger & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) bank->toggle_mask |= 1 << gpio; if (trigger & IRQ_TYPE_EDGE_RISING) l |= 1 << gpio; @@ -812,7 +817,7 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) case METHOD_GPIO_1510: reg += OMAP1510_GPIO_INT_CONTROL; l = __raw_readl(reg); - if (trigger & IRQ_TYPE_EDGE_BOTH) + if ((trigger & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) bank->toggle_mask |= 1 << gpio; if (trigger & IRQ_TYPE_EDGE_RISING) l |= 1 << gpio; @@ -846,7 +851,7 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) case METHOD_GPIO_7XX: reg += OMAP7XX_GPIO_INT_CONTROL; l = __raw_readl(reg); - if (trigger & IRQ_TYPE_EDGE_BOTH) + if ((trigger & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) bank->toggle_mask |= 1 << gpio; if (trigger & IRQ_TYPE_EDGE_RISING) l |= 1 << gpio; @@ -1200,11 +1205,17 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) #endif if (!cpu_class_is_omap1()) { if (!bank->mod_usage) { + void __iomem *reg = bank->base; u32 ctrl; - ctrl = __raw_readl(bank->base + OMAP24XX_GPIO_CTRL); - ctrl &= 0xFFFFFFFE; + + if (cpu_is_omap24xx() || cpu_is_omap34xx()) + reg += OMAP24XX_GPIO_CTRL; + else if (cpu_is_omap44xx()) + reg += OMAP4_GPIO_CTRL; + ctrl = __raw_readl(reg); /* Module is enabled, clocks are not gated */ - __raw_writel(ctrl, bank->base + OMAP24XX_GPIO_CTRL); + ctrl &= 0xFFFFFFFE; + __raw_writel(ctrl, reg); } bank->mod_usage |= 1 << offset; } @@ -1226,22 +1237,34 @@ static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) __raw_writel(1 << offset, reg); } #endif -#ifdef CONFIG_ARCH_OMAP2PLUS - if ((bank->method == METHOD_GPIO_24XX) || - (bank->method == METHOD_GPIO_44XX)) { +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) + if (bank->method == METHOD_GPIO_24XX) { /* Disable wake-up during idle for dynamic tick */ void __iomem *reg = bank->base + OMAP24XX_GPIO_CLEARWKUENA; __raw_writel(1 << offset, reg); } #endif +#ifdef CONFIG_ARCH_OMAP4 + if (bank->method == METHOD_GPIO_44XX) { + /* Disable wake-up during idle for dynamic tick */ + void __iomem *reg = bank->base + OMAP4_GPIO_IRQWAKEN0; + __raw_writel(1 << offset, reg); + } +#endif if (!cpu_class_is_omap1()) { bank->mod_usage &= ~(1 << offset); if (!bank->mod_usage) { + void __iomem *reg = bank->base; u32 ctrl; - ctrl = __raw_readl(bank->base + OMAP24XX_GPIO_CTRL); + + if (cpu_is_omap24xx() || cpu_is_omap34xx()) + reg += OMAP24XX_GPIO_CTRL; + else if (cpu_is_omap44xx()) + reg += OMAP4_GPIO_CTRL; + ctrl = __raw_readl(reg); /* Module is disabled, clocks are gated */ ctrl |= 1; - __raw_writel(ctrl, bank->base + OMAP24XX_GPIO_CTRL); + __raw_writel(ctrl, reg); } } _reset_gpio(bank, bank->chip.base + offset); @@ -1570,9 +1593,14 @@ static int gpio_is_input(struct gpio_bank *bank, int mask) reg += OMAP7XX_GPIO_DIR_CONTROL; break; case METHOD_GPIO_24XX: - case METHOD_GPIO_44XX: reg += OMAP24XX_GPIO_OE; break; + case METHOD_GPIO_44XX: + reg += OMAP4_GPIO_OE; + break; + default: + WARN_ONCE(1, "gpio_is_input: incorrect OMAP GPIO method"); + return -EINVAL; } return __raw_readl(reg) & mask; } @@ -1608,6 +1636,20 @@ static int gpio_output(struct gpio_chip *chip, unsigned offset, int value) return 0; } +static int gpio_debounce(struct gpio_chip *chip, unsigned offset, + unsigned debounce) +{ + struct gpio_bank *bank; + unsigned long flags; + + bank = container_of(chip, struct gpio_bank, chip); + spin_lock_irqsave(&bank->lock, flags); + _set_gpio_debounce(bank, offset, debounce); + spin_unlock_irqrestore(&bank->lock, flags); + + return 0; +} + static void gpio_set(struct gpio_chip *chip, unsigned offset, int value) { struct gpio_bank *bank; @@ -1845,7 +1887,8 @@ static int __init _omap_gpio_init(void) __raw_writel(0, bank->base + OMAP24XX_GPIO_CTRL); } - if (i < ARRAY_SIZE(non_wakeup_gpios)) + if (cpu_is_omap24xx() && + i < ARRAY_SIZE(non_wakeup_gpios)) bank->non_wakeup_gpios = non_wakeup_gpios[i]; gpio_count = 32; } @@ -1860,6 +1903,7 @@ static int __init _omap_gpio_init(void) bank->chip.direction_input = gpio_input; bank->chip.get = gpio_get; bank->chip.direction_output = gpio_output; + bank->chip.set_debounce = gpio_debounce; bank->chip.set = gpio_set; bank->chip.to_irq = gpio_2irq; if (bank_is_mpuio(bank)) { @@ -2028,16 +2072,27 @@ static struct sys_device omap_gpio_device = { static int workaround_enabled; -void omap2_gpio_prepare_for_retention(void) +void omap2_gpio_prepare_for_idle(int power_state) { int i, c = 0; + int min = 0; - /* Remove triggering for all non-wakeup GPIOs. Otherwise spurious - * IRQs will be generated. See OMAP2420 Errata item 1.101. */ - for (i = 0; i < gpio_bank_count; i++) { + if (cpu_is_omap34xx()) + min = 1; + + for (i = min; i < gpio_bank_count; i++) { struct gpio_bank *bank = &gpio_bank[i]; u32 l1, l2; + if (bank->dbck_enable_mask) + clk_disable(bank->dbck); + + if (power_state > PWRDM_POWER_OFF) + continue; + + /* If going to OFF, remove triggering for all + * non-wakeup GPIOs. Otherwise spurious IRQs will be + * generated. See OMAP2420 Errata item 1.101. */ if (!(bank->enabled_non_wakeup_gpios)) continue; @@ -2085,16 +2140,23 @@ void omap2_gpio_prepare_for_retention(void) workaround_enabled = 1; } -void omap2_gpio_resume_after_retention(void) +void omap2_gpio_resume_after_idle(void) { int i; + int min = 0; - if (!workaround_enabled) - return; - for (i = 0; i < gpio_bank_count; i++) { + if (cpu_is_omap34xx()) + min = 1; + for (i = min; i < gpio_bank_count; i++) { struct gpio_bank *bank = &gpio_bank[i]; u32 l, gen, gen0, gen1; + if (bank->dbck_enable_mask) + clk_enable(bank->dbck); + + if (!workaround_enabled) + continue; + if (!(bank->enabled_non_wakeup_gpios)) continue; @@ -2119,7 +2181,7 @@ void omap2_gpio_resume_after_retention(void) * horribly racy, but it's the best we can do to work around * this silicon bug. */ l ^= bank->saved_datain; - l &= bank->non_wakeup_gpios; + l &= bank->enabled_non_wakeup_gpios; /* * No need to generate IRQs for the rising edge for gpio IRQs @@ -2207,10 +2269,6 @@ void omap_gpio_save_context(void) __raw_readl(bank->base + OMAP24XX_GPIO_FALLINGDETECT); gpio_context[i].dataout = __raw_readl(bank->base + OMAP24XX_GPIO_DATAOUT); - gpio_context[i].setwkuena = - __raw_readl(bank->base + OMAP24XX_GPIO_SETWKUENA); - gpio_context[i].setdataout = - __raw_readl(bank->base + OMAP24XX_GPIO_SETDATAOUT); } } @@ -2243,10 +2301,6 @@ void omap_gpio_restore_context(void) bank->base + OMAP24XX_GPIO_FALLINGDETECT); __raw_writel(gpio_context[i].dataout, bank->base + OMAP24XX_GPIO_DATAOUT); - __raw_writel(gpio_context[i].setwkuena, - bank->base + OMAP24XX_GPIO_SETWKUENA); - __raw_writel(gpio_context[i].setdataout, - bank->base + OMAP24XX_GPIO_SETDATAOUT); } } #endif @@ -2286,110 +2340,3 @@ static int __init omap_gpio_sysinit(void) } arch_initcall(omap_gpio_sysinit); - - -#ifdef CONFIG_DEBUG_FS - -#include <linux/debugfs.h> -#include <linux/seq_file.h> - -static int dbg_gpio_show(struct seq_file *s, void *unused) -{ - unsigned i, j, gpio; - - for (i = 0, gpio = 0; i < gpio_bank_count; i++) { - struct gpio_bank *bank = gpio_bank + i; - unsigned bankwidth = 16; - u32 mask = 1; - - if (bank_is_mpuio(bank)) - gpio = OMAP_MPUIO(0); - else if (cpu_class_is_omap2() || cpu_is_omap7xx()) - bankwidth = 32; - - for (j = 0; j < bankwidth; j++, gpio++, mask <<= 1) { - unsigned irq, value, is_in, irqstat; - const char *label; - - label = gpiochip_is_requested(&bank->chip, j); - if (!label) - continue; - - irq = bank->virtual_irq_start + j; - value = gpio_get_value(gpio); - is_in = gpio_is_input(bank, mask); - - if (bank_is_mpuio(bank)) - seq_printf(s, "MPUIO %2d ", j); - else - seq_printf(s, "GPIO %3d ", gpio); - seq_printf(s, "(%-20.20s): %s %s", - label, - is_in ? "in " : "out", - value ? "hi" : "lo"); - -/* FIXME for at least omap2, show pullup/pulldown state */ - - irqstat = irq_desc[irq].status; -#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS) - if (is_in && ((bank->suspend_wakeup & mask) - || irqstat & IRQ_TYPE_SENSE_MASK)) { - char *trigger = NULL; - - switch (irqstat & IRQ_TYPE_SENSE_MASK) { - case IRQ_TYPE_EDGE_FALLING: - trigger = "falling"; - break; - case IRQ_TYPE_EDGE_RISING: - trigger = "rising"; - break; - case IRQ_TYPE_EDGE_BOTH: - trigger = "bothedge"; - break; - case IRQ_TYPE_LEVEL_LOW: - trigger = "low"; - break; - case IRQ_TYPE_LEVEL_HIGH: - trigger = "high"; - break; - case IRQ_TYPE_NONE: - trigger = "(?)"; - break; - } - seq_printf(s, ", irq-%d %-8s%s", - irq, trigger, - (bank->suspend_wakeup & mask) - ? " wakeup" : ""); - } -#endif - seq_printf(s, "\n"); - } - - if (bank_is_mpuio(bank)) { - seq_printf(s, "\n"); - gpio = 0; - } - } - return 0; -} - -static int dbg_gpio_open(struct inode *inode, struct file *file) -{ - return single_open(file, dbg_gpio_show, &inode->i_private); -} - -static const struct file_operations debug_fops = { - .open = dbg_gpio_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int __init omap_gpio_debuginit(void) -{ - (void) debugfs_create_file("omap_gpio", S_IRUGO, - NULL, NULL, &debug_fops); - return 0; -} -late_initcall(omap_gpio_debuginit); -#endif diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c index 624e26298faa..eec2b4993c69 100644 --- a/arch/arm/plat-omap/i2c.c +++ b/arch/arm/plat-omap/i2c.c @@ -26,15 +26,19 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/i2c.h> +#include <linux/i2c-omap.h> + #include <mach/irqs.h> #include <plat/mux.h> #include <plat/i2c.h> +#include <plat/omap-pm.h> #define OMAP_I2C_SIZE 0x3f #define OMAP1_I2C_BASE 0xfffb3800 #define OMAP2_I2C_BASE1 0x48070000 #define OMAP2_I2C_BASE2 0x48072000 #define OMAP2_I2C_BASE3 0x48060000 +#define OMAP4_I2C_BASE4 0x48350000 static const char name[] = "i2c_omap"; @@ -51,11 +55,14 @@ static const char name[] = "i2c_omap"; static struct resource i2c_resources[][2] = { { I2C_RESOURCE_BUILDER(0, 0) }, -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - { I2C_RESOURCE_BUILDER(OMAP2_I2C_BASE2, INT_24XX_I2C2_IRQ) }, +#if defined(CONFIG_ARCH_OMAP2PLUS) + { I2C_RESOURCE_BUILDER(OMAP2_I2C_BASE2, 0) }, +#endif +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) + { I2C_RESOURCE_BUILDER(OMAP2_I2C_BASE3, 0) }, #endif -#if defined(CONFIG_ARCH_OMAP3) - { I2C_RESOURCE_BUILDER(OMAP2_I2C_BASE3, INT_34XX_I2C3_IRQ) }, +#if defined(CONFIG_ARCH_OMAP4) + { I2C_RESOURCE_BUILDER(OMAP4_I2C_BASE4, 0) }, #endif }; @@ -70,14 +77,17 @@ static struct resource i2c_resources[][2] = { }, \ } -static u32 i2c_rate[ARRAY_SIZE(i2c_resources)]; +static struct omap_i2c_bus_platform_data i2c_pdata[ARRAY_SIZE(i2c_resources)]; static struct platform_device omap_i2c_devices[] = { - I2C_DEV_BUILDER(1, i2c_resources[0], &i2c_rate[0]), -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - I2C_DEV_BUILDER(2, i2c_resources[1], &i2c_rate[1]), + I2C_DEV_BUILDER(1, i2c_resources[0], &i2c_pdata[0]), +#if defined(CONFIG_ARCH_OMAP2PLUS) + I2C_DEV_BUILDER(2, i2c_resources[1], &i2c_pdata[1]), +#endif +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) + I2C_DEV_BUILDER(3, i2c_resources[2], &i2c_pdata[2]), #endif -#if defined(CONFIG_ARCH_OMAP3) - I2C_DEV_BUILDER(3, i2c_resources[2], &i2c_rate[2]), +#if defined(CONFIG_ARCH_OMAP4) + I2C_DEV_BUILDER(4, i2c_resources[3], &i2c_pdata[3]), #endif }; @@ -93,39 +103,89 @@ static int __init omap_i2c_nr_ports(void) ports = 2; else if (cpu_is_omap34xx()) ports = 3; + else if (cpu_is_omap44xx()) + ports = 4; return ports; } -static int __init omap_i2c_add_bus(int bus_id) +/* Shared between omap2 and 3 */ +static resource_size_t omap2_i2c_irq[3] __initdata = { + INT_24XX_I2C1_IRQ, + INT_24XX_I2C2_IRQ, + INT_34XX_I2C3_IRQ, +}; + +static resource_size_t omap4_i2c_irq[4] __initdata = { + OMAP44XX_IRQ_I2C1, + OMAP44XX_IRQ_I2C2, + OMAP44XX_IRQ_I2C3, + OMAP44XX_IRQ_I2C4, +}; + +static inline int omap1_i2c_add_bus(struct platform_device *pdev, int bus_id) { - struct platform_device *pdev; + struct omap_i2c_bus_platform_data *pd; struct resource *res; - resource_size_t base, irq; - pdev = &omap_i2c_devices[bus_id - 1]; + pd = pdev->dev.platform_data; + res = pdev->resource; + res[0].start = OMAP1_I2C_BASE; + res[0].end = res[0].start + OMAP_I2C_SIZE; + res[1].start = INT_I2C; + omap1_i2c_mux_pins(bus_id); + + return platform_device_register(pdev); +} + +static inline int omap2_i2c_add_bus(struct platform_device *pdev, int bus_id) +{ + struct resource *res; + resource_size_t *irq; + + res = pdev->resource; + + if (!cpu_is_omap44xx()) + irq = omap2_i2c_irq; + else + irq = omap4_i2c_irq; + if (bus_id == 1) { - res = pdev->resource; - if (cpu_class_is_omap1()) { - base = OMAP1_I2C_BASE; - irq = INT_I2C; - } else { - base = OMAP2_I2C_BASE1; - irq = INT_24XX_I2C1_IRQ; - } - res[0].start = base; - res[0].end = base + OMAP_I2C_SIZE; - res[1].start = irq; + res[0].start = OMAP2_I2C_BASE1; + res[0].end = res[0].start + OMAP_I2C_SIZE; } - if (cpu_class_is_omap1()) - omap1_i2c_mux_pins(bus_id); - if (cpu_class_is_omap2()) - omap2_i2c_mux_pins(bus_id); + res[1].start = irq[bus_id - 1]; + omap2_i2c_mux_pins(bus_id); + + /* + * When waiting for completion of a i2c transfer, we need to + * set a wake up latency constraint for the MPU. This is to + * ensure quick enough wakeup from idle, when transfer + * completes. + */ + if (cpu_is_omap34xx()) { + struct omap_i2c_bus_platform_data *pd; + + pd = pdev->dev.platform_data; + pd->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat; + } return platform_device_register(pdev); } +static int __init omap_i2c_add_bus(int bus_id) +{ + struct platform_device *pdev; + + pdev = &omap_i2c_devices[bus_id - 1]; + + if (cpu_class_is_omap1()) + return omap1_i2c_add_bus(pdev, bus_id); + else + return omap2_i2c_add_bus(pdev, bus_id); +} + /** * omap_i2c_bus_setup - Process command line options for the I2C bus speed * @str: String of options @@ -146,8 +206,8 @@ static int __init omap_i2c_bus_setup(char *str) get_options(str, 3, ints); if (ints[0] < 2 || ints[1] < 1 || ints[1] > ports) return 0; - i2c_rate[ints[1] - 1] = ints[2]; - i2c_rate[ints[1] - 1] |= OMAP_I2C_CMDLINE_SETUP; + i2c_pdata[ints[1] - 1].clkrate = ints[2]; + i2c_pdata[ints[1] - 1].clkrate |= OMAP_I2C_CMDLINE_SETUP; return 1; } @@ -161,9 +221,9 @@ static int __init omap_register_i2c_bus_cmdline(void) { int i, err = 0; - for (i = 0; i < ARRAY_SIZE(i2c_rate); i++) - if (i2c_rate[i] & OMAP_I2C_CMDLINE_SETUP) { - i2c_rate[i] &= ~OMAP_I2C_CMDLINE_SETUP; + for (i = 0; i < ARRAY_SIZE(i2c_pdata); i++) + if (i2c_pdata[i].clkrate & OMAP_I2C_CMDLINE_SETUP) { + i2c_pdata[i].clkrate &= ~OMAP_I2C_CMDLINE_SETUP; err = omap_i2c_add_bus(i + 1); if (err) goto out; @@ -197,9 +257,10 @@ int __init omap_register_i2c_bus(int bus_id, u32 clkrate, return err; } - if (!i2c_rate[bus_id - 1]) - i2c_rate[bus_id - 1] = clkrate; - i2c_rate[bus_id - 1] &= ~OMAP_I2C_CMDLINE_SETUP; + if (!i2c_pdata[bus_id - 1].clkrate) + i2c_pdata[bus_id - 1].clkrate = clkrate; + + i2c_pdata[bus_id - 1].clkrate &= ~OMAP_I2C_CMDLINE_SETUP; return omap_i2c_add_bus(bus_id); } diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h index 34f7fa9ad4c0..dfc472ca0cc4 100644 --- a/arch/arm/plat-omap/include/plat/clock.h +++ b/arch/arm/plat-omap/include/plat/clock.h @@ -196,15 +196,15 @@ extern struct clk dummy_ck; #define INVERT_ENABLE (1 << 4) /* 0 enables, 1 disables */ /* Clksel_rate flags */ -#define DEFAULT_RATE (1 << 0) -#define RATE_IN_242X (1 << 1) -#define RATE_IN_243X (1 << 2) -#define RATE_IN_343X (1 << 3) /* rates common to all 343X */ -#define RATE_IN_3430ES2 (1 << 4) /* 3430ES2 rates only */ -#define RATE_IN_36XX (1 << 5) -#define RATE_IN_4430 (1 << 6) +#define RATE_IN_242X (1 << 0) +#define RATE_IN_243X (1 << 1) +#define RATE_IN_3XXX (1 << 2) /* rates common to all OMAP3 */ +#define RATE_IN_3430ES2 (1 << 3) /* 3430ES2 rates only */ +#define RATE_IN_36XX (1 << 4) +#define RATE_IN_4430 (1 << 5) #define RATE_IN_24XX (RATE_IN_242X | RATE_IN_243X) +#define RATE_IN_3430ES2PLUS (RATE_IN_3430ES2 | RATE_IN_36XX) #endif diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h index 7556e271942e..5e4afbee0fd7 100644 --- a/arch/arm/plat-omap/include/plat/common.h +++ b/arch/arm/plat-omap/include/plat/common.h @@ -31,12 +31,11 @@ struct sys_timer; -/* used by omap-smp.c and board-4430sdp.c */ -extern void __iomem *gic_cpu_base_addr; - extern void omap_map_common_io(void); extern struct sys_timer omap_timer; +extern void omap_reserve(void); + /* * IO bases for various OMAP processors * Except the tap base, rest all the io bases diff --git a/arch/arm/plat-omap/include/plat/control.h b/arch/arm/plat-omap/include/plat/control.h index a56deee97676..131bf405c2f6 100644 --- a/arch/arm/plat-omap/include/plat/control.h +++ b/arch/arm/plat-omap/include/plat/control.h @@ -207,6 +207,9 @@ /* 44xx control status register offset */ #define OMAP44XX_CONTROL_STATUS 0x2c4 +/* 44xx-only CONTROL_GENERAL register offsets */ +#define OMAP44XX_CONTROL_MMC1 0x628 +#define OMAP44XX_CONTROL_PBIAS_LITE 0x600 /* * REVISIT: This list of registers is not comprehensive - there are more * that should be added. @@ -252,6 +255,23 @@ #define OMAP2_PBIASLITEPWRDNZ0 (1 << 1) #define OMAP2_PBIASLITEVMODE0 (1 << 0) +/* CONTROL_PBIAS_LITE bits for OMAP4 */ +#define OMAP4_MMC1_PWRDNZ (1 << 26) +#define OMAP4_MMC1_PBIASLITE_HIZ_MODE (1 << 25) +#define OMAP4_MMC1_PBIASLITE_SUPPLY_HI_OUT (1 << 24) +#define OMAP4_MMC1_PBIASLITE_VMODE_ERROR (1 << 23) +#define OMAP4_MMC1_PBIASLITE_PWRDNZ (1 << 22) +#define OMAP4_MMC1_PBIASLITE_VMODE (1 << 21) +#define OMAP4_USBC1_ICUSB_PWRDNZ (1 << 20) + +#define OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP0 (1 << 31) +#define OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP1 (1 << 30) +#define OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP2 (1 << 29) +#define OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP3 (1 << 28) +#define OMAP4_CONTROL_SDMMC1_DR0_SPEEDCTRL (1 << 27) +#define OMAP4_CONTROL_SDMMC1_DR1_SPEEDCTRL (1 << 26) +#define OMAP4_CONTROL_SDMMC1_DR2_SPEEDCTRL (1 << 25) + /* CONTROL_PROG_IO1 bits */ #define OMAP3630_PRG_SDMMC1_SPEEDCTRL (1 << 20) diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h index de7c54731cbe..de1c604962eb 100644 --- a/arch/arm/plat-omap/include/plat/gpio.h +++ b/arch/arm/plat-omap/include/plat/gpio.h @@ -72,8 +72,8 @@ IH_GPIO_BASE + (nr)) extern int omap_gpio_init(void); /* Call from board init only */ -extern void omap2_gpio_prepare_for_retention(void); -extern void omap2_gpio_resume_after_retention(void); +extern void omap2_gpio_prepare_for_idle(int power_state); +extern void omap2_gpio_resume_after_idle(void); extern void omap_set_gpio_debounce(int gpio, int enable); extern void omap_set_gpio_debounce_time(int gpio, int enable); extern void omap_gpio_save_context(void); diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h index b65088a869e9..c01d9f08a198 100644 --- a/arch/arm/plat-omap/include/plat/irqs.h +++ b/arch/arm/plat-omap/include/plat/irqs.h @@ -345,8 +345,6 @@ #define INT_34XX_MMC3_IRQ 94 #define INT_34XX_GPT12_IRQ 95 -#define INT_34XX_BENCH_MPU_EMUL 3 - #define INT_35XX_HECC0_IRQ 24 #define INT_35XX_HECC1_IRQ 28 #define INT_35XX_EMAC_C0_RXTHRESH_IRQ 67 @@ -430,4 +428,8 @@ void omap3_intc_resume_idle(void); #include <mach/hardware.h> +#ifdef CONFIG_FIQ +#define FIQ_START 1024 +#endif + #endif diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h index 39748354ce45..975744f10a58 100644 --- a/arch/arm/plat-omap/include/plat/mcbsp.h +++ b/arch/arm/plat-omap/include/plat/mcbsp.h @@ -59,7 +59,7 @@ #define OMAP44XX_MCBSP1_BASE 0x49022000 #define OMAP44XX_MCBSP2_BASE 0x49024000 #define OMAP44XX_MCBSP3_BASE 0x49026000 -#define OMAP44XX_MCBSP4_BASE 0x48074000 +#define OMAP44XX_MCBSP4_BASE 0x48096000 #if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) @@ -149,6 +149,8 @@ #define OMAP_MCBSP_REG_WAKEUPEN 0xA8 #define OMAP_MCBSP_REG_XCCR 0xAC #define OMAP_MCBSP_REG_RCCR 0xB0 +#define OMAP_MCBSP_REG_XBUFFSTAT 0xB4 +#define OMAP_MCBSP_REG_RBUFFSTAT 0xB8 #define OMAP_MCBSP_REG_SSELCR 0xBC #define OMAP_ST_REG_REV 0x00 @@ -471,6 +473,8 @@ void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold); void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold); u16 omap_mcbsp_get_max_tx_threshold(unsigned int id); u16 omap_mcbsp_get_max_rx_threshold(unsigned int id); +u16 omap_mcbsp_get_tx_delay(unsigned int id); +u16 omap_mcbsp_get_rx_delay(unsigned int id); int omap_mcbsp_get_dma_op_mode(unsigned int id); #else static inline void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold) @@ -479,6 +483,8 @@ static inline void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold) { } static inline u16 omap_mcbsp_get_max_tx_threshold(unsigned int id) { return 0; } static inline u16 omap_mcbsp_get_max_rx_threshold(unsigned int id) { return 0; } +static inline u16 omap_mcbsp_get_tx_delay(unsigned int id) { return 0; } +static inline u16 omap_mcbsp_get_rx_delay(unsigned int id) { return 0; } static inline int omap_mcbsp_get_dma_op_mode(unsigned int id) { return 0; } #endif int omap_mcbsp_request(unsigned int id); diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h index a1bac07c89eb..c835f1e994c6 100644 --- a/arch/arm/plat-omap/include/plat/mmc.h +++ b/arch/arm/plat-omap/include/plat/mmc.h @@ -102,6 +102,10 @@ struct omap_mmc_platform_data { /* Regulator off remapped to sleep */ unsigned vcc_aux_disable_is_sleep:1; + /* we can put the features above into this variable */ +#define HSMMC_HAS_PBIAS (1 << 0) + unsigned features; + int switch_pin; /* gpio (card detect) */ int gpio_wp; /* gpio (write protect) */ diff --git a/arch/arm/plat-omap/include/plat/multi.h b/arch/arm/plat-omap/include/plat/multi.h index f235d32cd942..ffd909fa5287 100644 --- a/arch/arm/plat-omap/include/plat/multi.h +++ b/arch/arm/plat-omap/include/plat/multi.h @@ -61,9 +61,9 @@ # define OMAP_NAME omap16xx # endif #endif -#if (defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)) +#ifdef CONFIG_ARCH_OMAP2PLUS # if (defined(OMAP_NAME) || defined(MULTI_OMAP1)) -# error "OMAP1 and OMAP2 can't be selected at the same time" +# error "OMAP1 and OMAP2PLUS can't be selected at the same time" # endif #endif #ifdef CONFIG_ARCH_OMAP2420 @@ -82,12 +82,20 @@ # define OMAP_NAME omap2430 # endif #endif -#ifdef CONFIG_ARCH_OMAP3430 +#ifdef CONFIG_ARCH_OMAP3 # ifdef OMAP_NAME # undef MULTI_OMAP2 # define MULTI_OMAP2 # else -# define OMAP_NAME omap3430 +# define OMAP_NAME omap3 +# endif +#endif +#ifdef CONFIG_ARCH_OMAP4 +# ifdef OMAP_NAME +# undef MULTI_OMAP2 +# define MULTI_OMAP2 +# else +# define OMAP_NAME omap4 # endif #endif diff --git a/arch/arm/plat-omap/include/plat/nand.h b/arch/arm/plat-omap/include/plat/nand.h index 6ba88d2630d9..f8efd5466b1d 100644 --- a/arch/arm/plat-omap/include/plat/nand.h +++ b/arch/arm/plat-omap/include/plat/nand.h @@ -29,4 +29,11 @@ struct omap_nand_platform_data { /* size (4 KiB) for IO mapping */ #define NAND_IO_SIZE SZ_4K +#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) extern int gpmc_nand_init(struct omap_nand_platform_data *d); +#else +static inline int gpmc_nand_init(struct omap_nand_platform_data *d) +{ + return 0; +} +#endif diff --git a/arch/arm/plat-omap/include/plat/omap34xx.h b/arch/arm/plat-omap/include/plat/omap34xx.h index 2845fdc658b0..98fc8b4a4cc4 100644 --- a/arch/arm/plat-omap/include/plat/omap34xx.h +++ b/arch/arm/plat-omap/include/plat/omap34xx.h @@ -82,5 +82,10 @@ #define OMAP34XX_MAILBOX_BASE (L4_34XX_BASE + 0x94000) +/* Security */ +#define OMAP34XX_SEC_BASE (L4_34XX_BASE + 0xA0000) +#define OMAP34XX_SEC_SHA1MD5_BASE (OMAP34XX_SEC_BASE + 0x23000) +#define OMAP34XX_SEC_AES_BASE (OMAP34XX_SEC_BASE + 0x25000) + #endif /* __ASM_ARCH_OMAP3_H */ diff --git a/arch/arm/plat-omap/include/plat/omap44xx.h b/arch/arm/plat-omap/include/plat/omap44xx.h index 2302474a3748..8b3f12ff5cbc 100644 --- a/arch/arm/plat-omap/include/plat/omap44xx.h +++ b/arch/arm/plat-omap/include/plat/omap44xx.h @@ -30,9 +30,10 @@ #define OMAP4430_CM_BASE OMAP4430_CM1_BASE #define OMAP4430_CM2_BASE 0x4a008000 #define OMAP4430_PRM_BASE 0x4a306000 +#define OMAP4430_PRCM_MPU_BASE 0x48243000 #define OMAP44XX_GPMC_BASE 0x50000000 #define OMAP443X_SCM_BASE 0x4a002000 -#define OMAP443X_CTRL_BASE OMAP443X_SCM_BASE +#define OMAP443X_CTRL_BASE 0x4a100000 #define OMAP44XX_IC_BASE 0x48200000 #define OMAP44XX_IVA_INTC_BASE 0x40000000 #define IRQ_SIR_IRQ 0x0040 @@ -48,5 +49,8 @@ #define OMAP44XX_MAILBOX_BASE (L4_44XX_BASE + 0xF4000) #define OMAP44XX_HSUSB_OTG_BASE (L4_44XX_BASE + 0xAB000) +#define OMAP4_MMU1_BASE 0x55082000 +#define OMAP4_MMU2_BASE 0x4A066000 + #endif /* __ASM_ARCH_OMAP44XX_H */ diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h index 440b4164f2f6..0eccc09ac4a9 100644 --- a/arch/arm/plat-omap/include/plat/omap_hwmod.h +++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h @@ -176,9 +176,8 @@ struct omap_hwmod_addr_space { #define OCP_USER_SDMA (1 << 1) /* omap_hwmod_ocp_if.flags bits */ -#define OCPIF_HAS_IDLEST (1 << 0) -#define OCPIF_SWSUP_IDLE (1 << 1) -#define OCPIF_CAN_BURST (1 << 2) +#define OCPIF_SWSUP_IDLE (1 << 0) +#define OCPIF_CAN_BURST (1 << 1) /** * struct omap_hwmod_ocp_if - OCP interface data @@ -294,8 +293,8 @@ struct omap_hwmod_class_sysconfig { u16 rev_offs; u16 sysc_offs; u16 syss_offs; + u16 sysc_flags; u8 idlemodes; - u8 sysc_flags; u8 clockact; struct omap_hwmod_sysc_fields *sysc_fields; }; @@ -327,14 +326,12 @@ struct omap_hwmod_omap2_prcm { /** * struct omap_hwmod_omap4_prcm - OMAP4-specific PRCM data - * @module_offs: PRCM submodule offset from the start of the PRM/CM1/CM2 - * @device_offs: device register offset from @module_offs + * @clkctrl_reg: PRCM address of the clock control register * @submodule_wkdep_bit: bit shift of the WKDEP range */ struct omap_hwmod_omap4_prcm { - u32 module_offs; - u16 device_offs; - u8 submodule_wkdep_bit; + void __iomem *clkctrl_reg; + u8 submodule_wkdep_bit; }; @@ -353,6 +350,8 @@ struct omap_hwmod_omap4_prcm { * when module is enabled, rather than the default, which is to * enable autoidle * HWMOD_SET_DEFAULT_CLOCKACT: program CLOCKACTIVITY bits at startup + * HWMOD_NO_IDLEST : this module does not have idle status - this is the case + * only for few initiator modules on OMAP2 & 3. */ #define HWMOD_SWSUP_SIDLE (1 << 0) #define HWMOD_SWSUP_MSTANDBY (1 << 1) @@ -360,6 +359,7 @@ struct omap_hwmod_omap4_prcm { #define HWMOD_INIT_NO_IDLE (1 << 3) #define HWMOD_NO_OCP_AUTOIDLE (1 << 4) #define HWMOD_SET_DEFAULT_CLOCKACT (1 << 5) +#define HWMOD_NO_IDLEST (1 << 6) /* * omap_hwmod._int_flags definitions diff --git a/arch/arm/plat-omap/include/plat/powerdomain.h b/arch/arm/plat-omap/include/plat/powerdomain.h index d82b2c00d4f1..fb6ec74fe39e 100644 --- a/arch/arm/plat-omap/include/plat/powerdomain.h +++ b/arch/arm/plat-omap/include/plat/powerdomain.h @@ -31,6 +31,7 @@ #define PWRDM_MAX_PWRSTS 4 /* Powerdomain allowable state bitfields */ +#define PWRSTS_ON (1 << PWRDM_POWER_ON) #define PWRSTS_OFF_ON ((1 << PWRDM_POWER_OFF) | \ (1 << PWRDM_POWER_ON)) @@ -49,6 +50,12 @@ * in MEM bank 1 position. This is * true for OMAP3430 */ +#define PWRDM_HAS_LOWPOWERSTATECHANGE (1 << 2) /* + * support to transition from a + * sleep state to a lower sleep + * state without waking up the + * powerdomain + */ /* * Number of memory banks that are power-controllable. On OMAP4430, the diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h index 83dce4c4f7e6..19145f5c32ba 100644 --- a/arch/arm/plat-omap/include/plat/serial.h +++ b/arch/arm/plat-omap/include/plat/serial.h @@ -15,6 +15,20 @@ #include <linux/init.h> +/* + * Memory entry used for the DEBUG_LL UART configuration. See also + * uncompress.h and debug-macro.S. + * + * Note that using a memory location for storing the UART configuration + * has at least two limitations: + * + * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the + * uncompress code could then partially overwrite itself + * 2. We assume printascii is called at least once before paging_init, + * and addruart has a chance to read OMAP_UART_INFO + */ +#define OMAP_UART_INFO (PHYS_OFFSET + 0x3ffc) + /* OMAP1 serial ports */ #define OMAP1_UART1_BASE 0xfffb0000 #define OMAP1_UART2_BASE 0xfffb0800 @@ -39,7 +53,7 @@ /* External port on Zoom2/3 */ #define ZOOM_UART_BASE 0x10000000 -#define ZOOM_UART_VIRT 0xfb000000 +#define ZOOM_UART_VIRT 0xfa400000 #define OMAP_PORT_SHIFT 2 #define OMAP7XX_PORT_SHIFT 0 diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h index 81d9ec540fcf..bbedd71943f6 100644 --- a/arch/arm/plat-omap/include/plat/uncompress.h +++ b/arch/arm/plat-omap/include/plat/uncompress.h @@ -20,27 +20,21 @@ #include <linux/types.h> #include <linux/serial_reg.h> +#include <asm/memory.h> #include <asm/mach-types.h> #include <plat/serial.h> -static volatile u8 *uart1_base; -static int uart1_shift; - static volatile u8 *uart_base; static int uart_shift; /* - * Store the DEBUG_LL uart number into UART1 scratchpad register. + * Store the DEBUG_LL uart number into memory. * See also debug-macro.S, and serial.c for related code. - * - * Please note that we currently assume that: - * - UART1 clocks are enabled for register access - * - UART1 scratchpad register can be used */ -static void set_uart1_scratchpad(unsigned char port) +static void set_omap_uart_info(unsigned char port) { - uart1_base[UART_SCR << uart1_shift] = port; + *(volatile u32 *)OMAP_UART_INFO = port; } static void putc(int c) @@ -60,42 +54,38 @@ static inline void flush(void) /* * Macros to configure UART1 and debug UART */ -#define _DEBUG_LL_ENTRY(mach, uart1_phys, uart1_shft, \ - dbg_uart, dbg_shft, dbg_id) \ +#define _DEBUG_LL_ENTRY(mach, dbg_uart, dbg_shft, dbg_id) \ if (machine_is_##mach()) { \ - uart1_base = (volatile u8 *)(uart1_phys); \ - uart1_shift = (uart1_shft); \ uart_base = (volatile u8 *)(dbg_uart); \ uart_shift = (dbg_shft); \ port = (dbg_id); \ - set_uart1_scratchpad(port); \ + set_omap_uart_info(port); \ break; \ } #define DEBUG_LL_OMAP7XX(p, mach) \ - _DEBUG_LL_ENTRY(mach, OMAP1_UART1_BASE, OMAP7XX_PORT_SHIFT, \ - OMAP1_UART##p##_BASE, OMAP7XX_PORT_SHIFT, OMAP1UART##p) + _DEBUG_LL_ENTRY(mach, OMAP1_UART##p##_BASE, OMAP7XX_PORT_SHIFT, \ + OMAP1UART##p) #define DEBUG_LL_OMAP1(p, mach) \ - _DEBUG_LL_ENTRY(mach, OMAP1_UART1_BASE, OMAP_PORT_SHIFT, \ - OMAP1_UART##p##_BASE, OMAP_PORT_SHIFT, OMAP1UART##p) + _DEBUG_LL_ENTRY(mach, OMAP1_UART##p##_BASE, OMAP_PORT_SHIFT, \ + OMAP1UART##p) #define DEBUG_LL_OMAP2(p, mach) \ - _DEBUG_LL_ENTRY(mach, OMAP2_UART1_BASE, OMAP_PORT_SHIFT, \ - OMAP2_UART##p##_BASE, OMAP_PORT_SHIFT, OMAP2UART##p) + _DEBUG_LL_ENTRY(mach, OMAP2_UART##p##_BASE, OMAP_PORT_SHIFT, \ + OMAP2UART##p) #define DEBUG_LL_OMAP3(p, mach) \ - _DEBUG_LL_ENTRY(mach, OMAP3_UART1_BASE, OMAP_PORT_SHIFT, \ - OMAP3_UART##p##_BASE, OMAP_PORT_SHIFT, OMAP3UART##p) + _DEBUG_LL_ENTRY(mach, OMAP3_UART##p##_BASE, OMAP_PORT_SHIFT, \ + OMAP3UART##p) #define DEBUG_LL_OMAP4(p, mach) \ - _DEBUG_LL_ENTRY(mach, OMAP4_UART1_BASE, OMAP_PORT_SHIFT, \ - OMAP4_UART##p##_BASE, OMAP_PORT_SHIFT, OMAP4UART##p) + _DEBUG_LL_ENTRY(mach, OMAP4_UART##p##_BASE, OMAP_PORT_SHIFT, \ + OMAP4UART##p) /* Zoom2/3 shift is different for UART1 and external port */ #define DEBUG_LL_ZOOM(mach) \ - _DEBUG_LL_ENTRY(mach, OMAP2_UART1_BASE, OMAP_PORT_SHIFT, \ - ZOOM_UART_BASE, ZOOM_PORT_SHIFT, ZOOM_UART) + _DEBUG_LL_ENTRY(mach, ZOOM_UART_BASE, ZOOM_PORT_SHIFT, ZOOM_UART) static inline void __arch_decomp_setup(unsigned long arch_id) { diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h index 568578db93b6..98eef5360e6d 100644 --- a/arch/arm/plat-omap/include/plat/usb.h +++ b/arch/arm/plat-omap/include/plat/usb.h @@ -13,6 +13,20 @@ enum ehci_hcd_omap_mode { EHCI_HCD_OMAP_MODE_TLL, }; +enum ohci_omap3_port_mode { + OMAP_OHCI_PORT_MODE_UNUSED, + OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0, + OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM, + OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0, + OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM, + OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0, + OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM, + OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0, + OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM, + OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0, + OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM, +}; + struct ehci_hcd_omap_platform_data { enum ehci_hcd_omap_mode port_mode[OMAP3_HS_USB_PORTS]; unsigned phy_reset:1; @@ -21,6 +35,13 @@ struct ehci_hcd_omap_platform_data { int reset_gpio_port[OMAP3_HS_USB_PORTS]; }; +struct ohci_hcd_omap_platform_data { + enum ohci_omap3_port_mode port_mode[OMAP3_HS_USB_PORTS]; + + /* Set this to true for ES2.x silicon */ + unsigned es2_compatibility:1; +}; + /*-------------------------------------------------------------------------*/ #define OMAP1_OTG_BASE 0xfffb0400 @@ -46,7 +67,8 @@ struct ehci_hcd_omap_platform_data { struct omap_musb_board_data { u8 interface_type; u8 mode; - u8 power; + u16 power; + unsigned extvbus:1; }; enum musb_interface {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI}; @@ -55,6 +77,8 @@ extern void usb_musb_init(struct omap_musb_board_data *board_data); extern void usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata); +extern void usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata); + #endif void omap_usb_init(struct omap_usb_config *pdata); diff --git a/arch/arm/plat-omap/include/plat/vram.h b/arch/arm/plat-omap/include/plat/vram.h index edd4987758a6..0aa4ecd12c7d 100644 --- a/arch/arm/plat-omap/include/plat/vram.h +++ b/arch/arm/plat-omap/include/plat/vram.h @@ -38,7 +38,7 @@ extern void omap_vram_get_info(unsigned long *vram, unsigned long *free_vram, extern void omap_vram_set_sdram_vram(u32 size, u32 start); extern void omap_vram_set_sram_vram(u32 size, u32 start); -extern void omap_vram_reserve_sdram(void); +extern void omap_vram_reserve_sdram_memblock(void); extern unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, unsigned long sram_vstart, unsigned long sram_size, @@ -48,7 +48,7 @@ extern unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, static inline void omap_vram_set_sdram_vram(u32 size, u32 start) { } static inline void omap_vram_set_sram_vram(u32 size, u32 start) { } -static inline void omap_vram_reserve_sdram(void) { } +static inline void omap_vram_reserve_sdram_memblock(void) { } static inline unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, unsigned long sram_vstart, unsigned long sram_size, diff --git a/arch/arm/plat-omap/iommu-debug.c b/arch/arm/plat-omap/iommu-debug.c index afd1c27cff7c..e6c0d536899c 100644 --- a/arch/arm/plat-omap/iommu-debug.c +++ b/arch/arm/plat-omap/iommu-debug.c @@ -13,6 +13,7 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/slab.h> #include <linux/uaccess.h> #include <linux/platform_device.h> #include <linux/debugfs.h> diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c index 905ed832df56..bc094dbacee6 100644 --- a/arch/arm/plat-omap/iommu.c +++ b/arch/arm/plat-omap/iommu.c @@ -13,6 +13,7 @@ #include <linux/err.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/clk.h> @@ -24,6 +25,11 @@ #include "iopgtable.h" +#define for_each_iotlb_cr(obj, n, __i, cr) \ + for (__i = 0; \ + (__i < (n)) && (cr = __iotlb_read_cr((obj), __i), true); \ + __i++) + /* accommodate the difference between omap1 and omap2/3 */ static const struct iommu_functions *arch_iommu; @@ -171,15 +177,12 @@ static void iotlb_lock_get(struct iommu *obj, struct iotlb_lock *l) l->base = MMU_LOCK_BASE(val); l->vict = MMU_LOCK_VICT(val); - BUG_ON(l->base != 0); /* Currently no preservation is used */ } static void iotlb_lock_set(struct iommu *obj, struct iotlb_lock *l) { u32 val; - BUG_ON(l->base != 0); /* Currently no preservation is used */ - val = (l->base << MMU_LOCK_BASE_SHIFT); val |= (l->vict << MMU_LOCK_VICT_SHIFT); @@ -213,6 +216,20 @@ static inline ssize_t iotlb_dump_cr(struct iommu *obj, struct cr_regs *cr, return arch_iommu->dump_cr(obj, cr, buf); } +/* only used in iotlb iteration for-loop */ +static struct cr_regs __iotlb_read_cr(struct iommu *obj, int n) +{ + struct cr_regs cr; + struct iotlb_lock l; + + iotlb_lock_get(obj, &l); + l.vict = n; + iotlb_lock_set(obj, &l); + iotlb_read_cr(obj, &cr); + + return cr; +} + /** * load_iotlb_entry - Set an iommu tlb entry * @obj: target iommu @@ -220,7 +237,6 @@ static inline ssize_t iotlb_dump_cr(struct iommu *obj, struct cr_regs *cr, **/ int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e) { - int i; int err = 0; struct iotlb_lock l; struct cr_regs *cr; @@ -230,21 +246,30 @@ int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e) clk_enable(obj->clk); - for (i = 0; i < obj->nr_tlb_entries; i++) { + iotlb_lock_get(obj, &l); + if (l.base == obj->nr_tlb_entries) { + dev_warn(obj->dev, "%s: preserve entries full\n", __func__); + err = -EBUSY; + goto out; + } + if (!e->prsvd) { + int i; struct cr_regs tmp; + for_each_iotlb_cr(obj, obj->nr_tlb_entries, i, tmp) + if (!iotlb_cr_valid(&tmp)) + break; + + if (i == obj->nr_tlb_entries) { + dev_dbg(obj->dev, "%s: full: no entry\n", __func__); + err = -EBUSY; + goto out; + } + iotlb_lock_get(obj, &l); - l.vict = i; + } else { + l.vict = l.base; iotlb_lock_set(obj, &l); - iotlb_read_cr(obj, &tmp); - if (!iotlb_cr_valid(&tmp)) - break; - } - - if (i == obj->nr_tlb_entries) { - dev_dbg(obj->dev, "%s: full: no entry\n", __func__); - err = -EBUSY; - goto out; } cr = iotlb_alloc_cr(obj, e); @@ -256,9 +281,11 @@ int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e) iotlb_load_cr(obj, cr); kfree(cr); + if (e->prsvd) + l.base++; /* increment victim for next tlb load */ if (++l.vict == obj->nr_tlb_entries) - l.vict = 0; + l.vict = l.base; iotlb_lock_set(obj, &l); out: clk_disable(obj->clk); @@ -275,20 +302,15 @@ EXPORT_SYMBOL_GPL(load_iotlb_entry); **/ void flush_iotlb_page(struct iommu *obj, u32 da) { - struct iotlb_lock l; int i; + struct cr_regs cr; clk_enable(obj->clk); - for (i = 0; i < obj->nr_tlb_entries; i++) { - struct cr_regs cr; + for_each_iotlb_cr(obj, obj->nr_tlb_entries, i, cr) { u32 start; size_t bytes; - iotlb_lock_get(obj, &l); - l.vict = i; - iotlb_lock_set(obj, &l); - iotlb_read_cr(obj, &cr); if (!iotlb_cr_valid(&cr)) continue; @@ -298,7 +320,6 @@ void flush_iotlb_page(struct iommu *obj, u32 da) if ((start <= da) && (da < start + bytes)) { dev_dbg(obj->dev, "%s: %08x<=%08x(%x)\n", __func__, start, da, bytes); - iotlb_load_cr(obj, &cr); iommu_write_reg(obj, 1, MMU_FLUSH_ENTRY); } } @@ -369,26 +390,19 @@ EXPORT_SYMBOL_GPL(iommu_dump_ctx); static int __dump_tlb_entries(struct iommu *obj, struct cr_regs *crs, int num) { int i; - struct iotlb_lock saved, l; + struct iotlb_lock saved; + struct cr_regs tmp; struct cr_regs *p = crs; clk_enable(obj->clk); - iotlb_lock_get(obj, &saved); - memcpy(&l, &saved, sizeof(saved)); - for (i = 0; i < num; i++) { - struct cr_regs tmp; - - iotlb_lock_get(obj, &l); - l.vict = i; - iotlb_lock_set(obj, &l); - iotlb_read_cr(obj, &tmp); + for_each_iotlb_cr(obj, num, i, tmp) { if (!iotlb_cr_valid(&tmp)) continue; - *p++ = tmp; } + iotlb_lock_set(obj, &saved); clk_disable(obj->clk); @@ -502,6 +516,12 @@ static int iopgd_alloc_section(struct iommu *obj, u32 da, u32 pa, u32 prot) { u32 *iopgd = iopgd_offset(obj, da); + if ((da | pa) & ~IOSECTION_MASK) { + dev_err(obj->dev, "%s: %08x:%08x should aligned on %08lx\n", + __func__, da, pa, IOSECTION_SIZE); + return -EINVAL; + } + *iopgd = (pa & IOSECTION_MASK) | prot | IOPGD_SECTION; flush_iopgd_range(iopgd, iopgd); return 0; @@ -512,6 +532,12 @@ static int iopgd_alloc_super(struct iommu *obj, u32 da, u32 pa, u32 prot) u32 *iopgd = iopgd_offset(obj, da); int i; + if ((da | pa) & ~IOSUPER_MASK) { + dev_err(obj->dev, "%s: %08x:%08x should aligned on %08lx\n", + __func__, da, pa, IOSUPER_SIZE); + return -EINVAL; + } + for (i = 0; i < 16; i++) *(iopgd + i) = (pa & IOSUPER_MASK) | prot | IOPGD_SUPER; flush_iopgd_range(iopgd, iopgd + 15); @@ -541,6 +567,12 @@ static int iopte_alloc_large(struct iommu *obj, u32 da, u32 pa, u32 prot) u32 *iopte = iopte_alloc(obj, iopgd, da); int i; + if ((da | pa) & ~IOLARGE_MASK) { + dev_err(obj->dev, "%s: %08x:%08x should aligned on %08lx\n", + __func__, da, pa, IOLARGE_SIZE); + return -EINVAL; + } + if (IS_ERR(iopte)) return PTR_ERR(iopte); diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c index 936aef1971cd..8ce0de247c71 100644 --- a/arch/arm/plat-omap/iovmm.c +++ b/arch/arm/plat-omap/iovmm.c @@ -11,6 +11,7 @@ */ #include <linux/err.h> +#include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/device.h> #include <linux/scatterlist.h> @@ -139,8 +140,10 @@ static struct sg_table *sgtable_alloc(const size_t bytes, u32 flags) return ERR_PTR(-ENOMEM); err = sg_alloc_table(sgt, nr_entries, GFP_KERNEL); - if (err) + if (err) { + kfree(sgt); return ERR_PTR(err); + } pr_debug("%s: sgt:%p(%d entries)\n", __func__, sgt, nr_entries); @@ -286,16 +289,19 @@ static struct iovm_struct *alloc_iovm_area(struct iommu *obj, u32 da, prev_end = 0; list_for_each_entry(tmp, &obj->mmap, list) { - if ((prev_end <= start) && (start + bytes < tmp->da_start)) + if (prev_end >= start) + break; + + if (start + bytes < tmp->da_start) goto found; if (flags & IOVMF_DA_ANON) - start = roundup(tmp->da_end, alignement); + start = roundup(tmp->da_end + 1, alignement); prev_end = tmp->da_end; } - if ((start >= prev_end) && (ULONG_MAX - start >= bytes)) + if ((start > prev_end) && (ULONG_MAX - start >= bytes)) goto found; dev_dbg(obj->dev, "%s: no space to fit %08x(%x) flags: %08x\n", diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c index 4229cec53140..08a2df766289 100644 --- a/arch/arm/plat-omap/mailbox.c +++ b/arch/arm/plat-omap/mailbox.c @@ -25,6 +25,7 @@ #include <linux/interrupt.h> #include <linux/device.h> #include <linux/delay.h> +#include <linux/slab.h> #include <plat/mailbox.h> diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index 52dfcc81511e..7e669c9744d8 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -23,6 +23,7 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/slab.h> #include <plat/dma.h> #include <plat/mcbsp.h> @@ -488,7 +489,7 @@ void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold) { struct omap_mcbsp *mcbsp; - if (!cpu_is_omap34xx()) + if (!cpu_is_omap34xx() && !cpu_is_omap44xx()) return; if (!omap_mcbsp_check_valid_id(id)) { @@ -510,7 +511,7 @@ void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold) { struct omap_mcbsp *mcbsp; - if (!cpu_is_omap34xx()) + if (!cpu_is_omap34xx() && !cpu_is_omap44xx()) return; if (!omap_mcbsp_check_valid_id(id)) { @@ -559,6 +560,61 @@ u16 omap_mcbsp_get_max_rx_threshold(unsigned int id) } EXPORT_SYMBOL(omap_mcbsp_get_max_rx_threshold); +#define MCBSP2_FIFO_SIZE 0x500 /* 1024 + 256 locations */ +#define MCBSP1345_FIFO_SIZE 0x80 /* 128 locations */ +/* + * omap_mcbsp_get_tx_delay returns the number of used slots in the McBSP FIFO + */ +u16 omap_mcbsp_get_tx_delay(unsigned int id) +{ + struct omap_mcbsp *mcbsp; + u16 buffstat; + + if (!omap_mcbsp_check_valid_id(id)) { + printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); + return -ENODEV; + } + mcbsp = id_to_mcbsp_ptr(id); + + /* Returns the number of free locations in the buffer */ + buffstat = MCBSP_READ(mcbsp, XBUFFSTAT); + + /* Number of slots are different in McBSP ports */ + if (mcbsp->id == 2) + return MCBSP2_FIFO_SIZE - buffstat; + else + return MCBSP1345_FIFO_SIZE - buffstat; +} +EXPORT_SYMBOL(omap_mcbsp_get_tx_delay); + +/* + * omap_mcbsp_get_rx_delay returns the number of free slots in the McBSP FIFO + * to reach the threshold value (when the DMA will be triggered to read it) + */ +u16 omap_mcbsp_get_rx_delay(unsigned int id) +{ + struct omap_mcbsp *mcbsp; + u16 buffstat, threshold; + + if (!omap_mcbsp_check_valid_id(id)) { + printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); + return -ENODEV; + } + mcbsp = id_to_mcbsp_ptr(id); + + /* Returns the number of used locations in the buffer */ + buffstat = MCBSP_READ(mcbsp, RBUFFSTAT); + /* RX threshold */ + threshold = MCBSP_READ(mcbsp, THRSH1); + + /* Return the number of location till we reach the threshold limit */ + if (threshold <= buffstat) + return 0; + else + return threshold - buffstat; +} +EXPORT_SYMBOL(omap_mcbsp_get_rx_delay); + /* * omap_mcbsp_get_dma_op_mode just return the current configured * operating mode for the mcbsp channel @@ -586,7 +642,7 @@ static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp) * Enable wakup behavior, smart idle and all wakeups * REVISIT: some wakeups may be unnecessary */ - if (cpu_is_omap34xx()) { + if (cpu_is_omap34xx() || cpu_is_omap44xx()) { u16 syscon; syscon = MCBSP_READ(mcbsp, SYSCON); @@ -609,7 +665,7 @@ static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp) /* * Disable wakup behavior, smart idle and all wakeups */ - if (cpu_is_omap34xx()) { + if (cpu_is_omap34xx() || cpu_is_omap44xx()) { u16 syscon; syscon = MCBSP_READ(mcbsp, SYSCON); @@ -723,14 +779,17 @@ int omap_mcbsp_request(unsigned int id) goto err_clk_disable; } - init_completion(&mcbsp->rx_irq_completion); - err = request_irq(mcbsp->rx_irq, omap_mcbsp_rx_irq_handler, + if (mcbsp->rx_irq) { + init_completion(&mcbsp->rx_irq_completion); + err = request_irq(mcbsp->rx_irq, + omap_mcbsp_rx_irq_handler, 0, "McBSP", (void *)mcbsp); - if (err != 0) { - dev_err(mcbsp->dev, "Unable to request RX IRQ %d " - "for McBSP%d\n", mcbsp->rx_irq, - mcbsp->id); - goto err_free_irq; + if (err != 0) { + dev_err(mcbsp->dev, "Unable to request RX IRQ %d " + "for McBSP%d\n", mcbsp->rx_irq, + mcbsp->id); + goto err_free_irq; + } } } @@ -780,7 +839,8 @@ void omap_mcbsp_free(unsigned int id) if (mcbsp->io_type == OMAP_MCBSP_IRQ_IO) { /* Free IRQs */ - free_irq(mcbsp->rx_irq, (void *)mcbsp); + if (mcbsp->rx_irq) + free_irq(mcbsp->rx_irq, (void *)mcbsp); free_irq(mcbsp->tx_irq, (void *)mcbsp); } @@ -854,7 +914,7 @@ void omap_mcbsp_start(unsigned int id, int tx, int rx) MCBSP_WRITE(mcbsp, SPCR2, w | (1 << 7)); } - if (cpu_is_omap2430() || cpu_is_omap34xx()) { + if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) { /* Release the transmitter and receiver */ w = MCBSP_READ_CACHE(mcbsp, XCCR); w &= ~(tx ? XDISABLE : 0); @@ -884,7 +944,7 @@ void omap_mcbsp_stop(unsigned int id, int tx, int rx) /* Reset transmitter */ tx &= 1; - if (cpu_is_omap2430() || cpu_is_omap34xx()) { + if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) { w = MCBSP_READ_CACHE(mcbsp, XCCR); w |= (tx ? XDISABLE : 0); MCBSP_WRITE(mcbsp, XCCR, w); @@ -894,7 +954,7 @@ void omap_mcbsp_stop(unsigned int id, int tx, int rx) /* Reset receiver */ rx &= 1; - if (cpu_is_omap2430() || cpu_is_omap34xx()) { + if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) { w = MCBSP_READ_CACHE(mcbsp, RCCR); w |= (rx ? RDISABLE : 0); MCBSP_WRITE(mcbsp, RCCR, w); diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index 590435894848..f899603051ac 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -2,10 +2,10 @@ * omap_device implementation * * Copyright (C) 2009 Nokia Corporation - * Paul Walmsley + * Paul Walmsley, Kevin Hilman * * Developed in collaboration with (alphabetical order): Benoit - * Cousson, Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram + * Cousson, Thara Gopinath, Tony Lindgren, Rajendra Nayak, Vikram * Pandita, Sakari Poussa, Anand Sawant, Santosh Shilimkar, Richard * Woodruff * @@ -79,6 +79,7 @@ #include <linux/kernel.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/err.h> #include <linux/io.h> diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index 51f4dfb82e2b..226b2e858d6c 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -437,6 +437,20 @@ static inline int omap34xx_sram_init(void) } #endif +#ifdef CONFIG_ARCH_OMAP4 +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(); @@ -451,7 +465,7 @@ int __init omap_sram_init(void) else if (cpu_is_omap34xx()) omap34xx_sram_init(); else if (cpu_is_omap44xx()) - omap34xx_sram_init(); /* FIXME: */ + omap44xx_sram_init(); return 0; } |
