diff options
Diffstat (limited to 'arch/blackfin/kernel')
| -rw-r--r-- | arch/blackfin/kernel/bfin_dma.c | 146 | ||||
| -rw-r--r-- | arch/blackfin/kernel/bfin_gpio.c | 28 | ||||
| -rw-r--r-- | arch/blackfin/kernel/cplb-nompu/cplbinit.c | 4 | ||||
| -rw-r--r-- | arch/blackfin/kernel/cplb-nompu/cplbmgr.c | 6 | ||||
| -rw-r--r-- | arch/blackfin/kernel/debug-mmrs.c | 9 | ||||
| -rw-r--r-- | arch/blackfin/kernel/entry.S | 10 | ||||
| -rw-r--r-- | arch/blackfin/kernel/gptimers.c | 85 | ||||
| -rw-r--r-- | arch/blackfin/kernel/process.c | 8 | ||||
| -rw-r--r-- | arch/blackfin/kernel/reboot.c | 6 | ||||
| -rw-r--r-- | arch/blackfin/kernel/setup.c | 132 | ||||
| -rw-r--r-- | arch/blackfin/kernel/shadow_console.c | 6 | ||||
| -rw-r--r-- | arch/blackfin/kernel/time-ts.c | 27 |
12 files changed, 374 insertions, 93 deletions
diff --git a/arch/blackfin/kernel/bfin_dma.c b/arch/blackfin/kernel/bfin_dma.c index 40c2ed61258e..c166939ffb2b 100644 --- a/arch/blackfin/kernel/bfin_dma.c +++ b/arch/blackfin/kernel/bfin_dma.c @@ -45,9 +45,15 @@ static int __init blackfin_dma_init(void) atomic_set(&dma_ch[i].chan_status, 0); dma_ch[i].regs = dma_io_base_addr[i]; } +#ifdef CH_MEM_STREAM3_SRC + /* Mark MEMDMA Channel 3 as requested since we're using it internally */ + request_dma(CH_MEM_STREAM3_DEST, "Blackfin dma_memcpy"); + request_dma(CH_MEM_STREAM3_SRC, "Blackfin dma_memcpy"); +#else /* Mark MEMDMA Channel 0 as requested since we're using it internally */ request_dma(CH_MEM_STREAM0_DEST, "Blackfin dma_memcpy"); request_dma(CH_MEM_STREAM0_SRC, "Blackfin dma_memcpy"); +#endif #if defined(CONFIG_DEB_DMA_URGENT) bfin_write_EBIU_DDRQUE(bfin_read_EBIU_DDRQUE() @@ -84,7 +90,8 @@ static const struct file_operations proc_dma_operations = { static int __init proc_dma_init(void) { - return proc_create("dma", 0, NULL, &proc_dma_operations) != NULL; + proc_create("dma", 0, NULL, &proc_dma_operations); + return 0; } late_initcall(proc_dma_init); #endif @@ -204,6 +211,7 @@ EXPORT_SYMBOL(free_dma); # ifndef MAX_DMA_SUSPEND_CHANNELS # define MAX_DMA_SUSPEND_CHANNELS MAX_DMA_CHANNELS # endif +# ifndef CONFIG_BF60x int blackfin_dma_suspend(void) { int i; @@ -213,7 +221,6 @@ int blackfin_dma_suspend(void) printk(KERN_ERR "DMA Channel %d failed to suspend\n", i); return -EBUSY; } - if (i < MAX_DMA_SUSPEND_CHANNELS) dma_ch[i].saved_peripheral_map = dma_ch[i].regs->peripheral_map; } @@ -230,7 +237,6 @@ void blackfin_dma_resume(void) for (i = 0; i < MAX_DMA_CHANNELS; ++i) { dma_ch[i].regs->cfg = 0; - if (i < MAX_DMA_SUSPEND_CHANNELS) dma_ch[i].regs->peripheral_map = dma_ch[i].saved_peripheral_map; } @@ -238,6 +244,16 @@ void blackfin_dma_resume(void) bfin_write_DMAC_TC_PER(0x0111); #endif } +# else +int blackfin_dma_suspend(void) +{ + return 0; +} + +void blackfin_dma_resume(void) +{ +} +#endif #endif /** @@ -279,10 +295,10 @@ void __init early_dma_memcpy(void *pdst, const void *psrc, size_t size) src_ch = (struct dma_register *)MDMA_S0_NEXT_DESC_PTR; } - if (!bfin_read16(&src_ch->cfg)) + if (!DMA_MMR_READ(&src_ch->cfg)) break; - else if (bfin_read16(&dst_ch->irq_status) & DMA_DONE) { - bfin_write16(&src_ch->cfg, 0); + else if (DMA_MMR_READ(&dst_ch->irq_status) & DMA_DONE) { + DMA_MMR_WRITE(&src_ch->cfg, 0); break; } } @@ -295,22 +311,31 @@ void __init early_dma_memcpy(void *pdst, const void *psrc, size_t size) /* Destination */ bfin_write32(&dst_ch->start_addr, dst); - bfin_write16(&dst_ch->x_count, size >> 2); - bfin_write16(&dst_ch->x_modify, 1 << 2); - bfin_write16(&dst_ch->irq_status, DMA_DONE | DMA_ERR); + DMA_MMR_WRITE(&dst_ch->x_count, size >> 2); + DMA_MMR_WRITE(&dst_ch->x_modify, 1 << 2); + DMA_MMR_WRITE(&dst_ch->irq_status, DMA_DONE | DMA_ERR); /* Source */ bfin_write32(&src_ch->start_addr, src); - bfin_write16(&src_ch->x_count, size >> 2); - bfin_write16(&src_ch->x_modify, 1 << 2); - bfin_write16(&src_ch->irq_status, DMA_DONE | DMA_ERR); + DMA_MMR_WRITE(&src_ch->x_count, size >> 2); + DMA_MMR_WRITE(&src_ch->x_modify, 1 << 2); + DMA_MMR_WRITE(&src_ch->irq_status, DMA_DONE | DMA_ERR); /* Enable */ - bfin_write16(&src_ch->cfg, DMAEN | WDSIZE_32); - bfin_write16(&dst_ch->cfg, WNR | DI_EN | DMAEN | WDSIZE_32); + DMA_MMR_WRITE(&src_ch->cfg, DMAEN | WDSIZE_32); + DMA_MMR_WRITE(&dst_ch->cfg, WNR | DI_EN_X | DMAEN | WDSIZE_32); /* Since we are atomic now, don't use the workaround ssync */ __builtin_bfin_ssync(); + +#ifdef CONFIG_BF60x + /* Work around a possible MDMA anomaly. Running 2 MDMA channels to + * transfer DDR data to L1 SRAM may corrupt data. + * Should be reverted after this issue is root caused. + */ + while (!(DMA_MMR_READ(&dst_ch->irq_status) & DMA_DONE)) + continue; +#endif } void __init early_dma_memcpy_done(void) @@ -336,6 +361,42 @@ void __init early_dma_memcpy_done(void) __builtin_bfin_ssync(); } +#ifdef CH_MEM_STREAM3_SRC +#define bfin_read_MDMA_S_CONFIG bfin_read_MDMA_S3_CONFIG +#define bfin_write_MDMA_S_CONFIG bfin_write_MDMA_S3_CONFIG +#define bfin_write_MDMA_S_START_ADDR bfin_write_MDMA_S3_START_ADDR +#define bfin_write_MDMA_S_IRQ_STATUS bfin_write_MDMA_S3_IRQ_STATUS +#define bfin_write_MDMA_S_X_COUNT bfin_write_MDMA_S3_X_COUNT +#define bfin_write_MDMA_S_X_MODIFY bfin_write_MDMA_S3_X_MODIFY +#define bfin_write_MDMA_S_Y_COUNT bfin_write_MDMA_S3_Y_COUNT +#define bfin_write_MDMA_S_Y_MODIFY bfin_write_MDMA_S3_Y_MODIFY +#define bfin_write_MDMA_D_CONFIG bfin_write_MDMA_D3_CONFIG +#define bfin_write_MDMA_D_START_ADDR bfin_write_MDMA_D3_START_ADDR +#define bfin_read_MDMA_D_IRQ_STATUS bfin_read_MDMA_D3_IRQ_STATUS +#define bfin_write_MDMA_D_IRQ_STATUS bfin_write_MDMA_D3_IRQ_STATUS +#define bfin_write_MDMA_D_X_COUNT bfin_write_MDMA_D3_X_COUNT +#define bfin_write_MDMA_D_X_MODIFY bfin_write_MDMA_D3_X_MODIFY +#define bfin_write_MDMA_D_Y_COUNT bfin_write_MDMA_D3_Y_COUNT +#define bfin_write_MDMA_D_Y_MODIFY bfin_write_MDMA_D3_Y_MODIFY +#else +#define bfin_read_MDMA_S_CONFIG bfin_read_MDMA_S0_CONFIG +#define bfin_write_MDMA_S_CONFIG bfin_write_MDMA_S0_CONFIG +#define bfin_write_MDMA_S_START_ADDR bfin_write_MDMA_S0_START_ADDR +#define bfin_write_MDMA_S_IRQ_STATUS bfin_write_MDMA_S0_IRQ_STATUS +#define bfin_write_MDMA_S_X_COUNT bfin_write_MDMA_S0_X_COUNT +#define bfin_write_MDMA_S_X_MODIFY bfin_write_MDMA_S0_X_MODIFY +#define bfin_write_MDMA_S_Y_COUNT bfin_write_MDMA_S0_Y_COUNT +#define bfin_write_MDMA_S_Y_MODIFY bfin_write_MDMA_S0_Y_MODIFY +#define bfin_write_MDMA_D_CONFIG bfin_write_MDMA_D0_CONFIG +#define bfin_write_MDMA_D_START_ADDR bfin_write_MDMA_D0_START_ADDR +#define bfin_read_MDMA_D_IRQ_STATUS bfin_read_MDMA_D0_IRQ_STATUS +#define bfin_write_MDMA_D_IRQ_STATUS bfin_write_MDMA_D0_IRQ_STATUS +#define bfin_write_MDMA_D_X_COUNT bfin_write_MDMA_D0_X_COUNT +#define bfin_write_MDMA_D_X_MODIFY bfin_write_MDMA_D0_X_MODIFY +#define bfin_write_MDMA_D_Y_COUNT bfin_write_MDMA_D0_Y_COUNT +#define bfin_write_MDMA_D_Y_MODIFY bfin_write_MDMA_D0_Y_MODIFY +#endif + /** * __dma_memcpy - program the MDMA registers * @@ -358,8 +419,8 @@ static void __dma_memcpy(u32 daddr, s16 dmod, u32 saddr, s16 smod, size_t cnt, u */ __builtin_bfin_ssync(); - if (bfin_read_MDMA_S0_CONFIG()) - while (!(bfin_read_MDMA_D0_IRQ_STATUS() & DMA_DONE)) + if (bfin_read_MDMA_S_CONFIG()) + while (!(bfin_read_MDMA_D_IRQ_STATUS() & DMA_DONE)) continue; if (conf & DMA2D) { @@ -374,39 +435,42 @@ static void __dma_memcpy(u32 daddr, s16 dmod, u32 saddr, s16 smod, size_t cnt, u u32 shift = abs(dmod) >> 1; size_t ycnt = cnt >> (16 - shift); cnt = 1 << (16 - shift); - bfin_write_MDMA_D0_Y_COUNT(ycnt); - bfin_write_MDMA_S0_Y_COUNT(ycnt); - bfin_write_MDMA_D0_Y_MODIFY(dmod); - bfin_write_MDMA_S0_Y_MODIFY(smod); + bfin_write_MDMA_D_Y_COUNT(ycnt); + bfin_write_MDMA_S_Y_COUNT(ycnt); + bfin_write_MDMA_D_Y_MODIFY(dmod); + bfin_write_MDMA_S_Y_MODIFY(smod); } - bfin_write_MDMA_D0_START_ADDR(daddr); - bfin_write_MDMA_D0_X_COUNT(cnt); - bfin_write_MDMA_D0_X_MODIFY(dmod); - bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR); + bfin_write_MDMA_D_START_ADDR(daddr); + bfin_write_MDMA_D_X_COUNT(cnt); + bfin_write_MDMA_D_X_MODIFY(dmod); + bfin_write_MDMA_D_IRQ_STATUS(DMA_DONE | DMA_ERR); - bfin_write_MDMA_S0_START_ADDR(saddr); - bfin_write_MDMA_S0_X_COUNT(cnt); - bfin_write_MDMA_S0_X_MODIFY(smod); - bfin_write_MDMA_S0_IRQ_STATUS(DMA_DONE | DMA_ERR); + bfin_write_MDMA_S_START_ADDR(saddr); + bfin_write_MDMA_S_X_COUNT(cnt); + bfin_write_MDMA_S_X_MODIFY(smod); + bfin_write_MDMA_S_IRQ_STATUS(DMA_DONE | DMA_ERR); - bfin_write_MDMA_S0_CONFIG(DMAEN | conf); - bfin_write_MDMA_D0_CONFIG(WNR | DI_EN | DMAEN | conf); + bfin_write_MDMA_S_CONFIG(DMAEN | conf); + if (conf & DMA2D) + bfin_write_MDMA_D_CONFIG(WNR | DI_EN_Y | DMAEN | conf); + else + bfin_write_MDMA_D_CONFIG(WNR | DI_EN_X | DMAEN | conf); spin_unlock_irqrestore(&mdma_lock, flags); SSYNC(); - while (!(bfin_read_MDMA_D0_IRQ_STATUS() & DMA_DONE)) - if (bfin_read_MDMA_S0_CONFIG()) + while (!(bfin_read_MDMA_D_IRQ_STATUS() & DMA_DONE)) + if (bfin_read_MDMA_S_CONFIG()) continue; else return; - bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR); + bfin_write_MDMA_D_IRQ_STATUS(DMA_DONE | DMA_ERR); - bfin_write_MDMA_S0_CONFIG(0); - bfin_write_MDMA_D0_CONFIG(0); + bfin_write_MDMA_S_CONFIG(0); + bfin_write_MDMA_D_CONFIG(0); } /** @@ -448,8 +512,10 @@ static void *_dma_memcpy(void *pdst, const void *psrc, size_t size) } size >>= shift; +#ifndef DMA_MMR_SIZE_32 if (size > 0x10000) conf |= DMA2D; +#endif __dma_memcpy(dst, mod, src, mod, size, conf); @@ -488,6 +554,9 @@ EXPORT_SYMBOL(dma_memcpy); */ void *dma_memcpy_nocache(void *pdst, const void *psrc, size_t size) { +#ifdef DMA_MMR_SIZE_32 + _dma_memcpy(pdst, psrc, size); +#else size_t bulk, rest; bulk = size & ~0xffff; @@ -495,6 +564,7 @@ void *dma_memcpy_nocache(void *pdst, const void *psrc, size_t size) if (bulk) _dma_memcpy(pdst, psrc, bulk); _dma_memcpy(pdst + bulk, psrc + bulk, rest); +#endif return pdst; } EXPORT_SYMBOL(dma_memcpy_nocache); @@ -514,14 +584,14 @@ void *safe_dma_memcpy(void *dst, const void *src, size_t size) } EXPORT_SYMBOL(safe_dma_memcpy); -static void _dma_out(unsigned long addr, unsigned long buf, unsigned short len, +static void _dma_out(unsigned long addr, unsigned long buf, unsigned DMA_MMR_SIZE_TYPE len, u16 size, u16 dma_size) { blackfin_dcache_flush_range(buf, buf + len * size); __dma_memcpy(addr, 0, buf, size, len, dma_size); } -static void _dma_in(unsigned long addr, unsigned long buf, unsigned short len, +static void _dma_in(unsigned long addr, unsigned long buf, unsigned DMA_MMR_SIZE_TYPE len, u16 size, u16 dma_size) { blackfin_dcache_invalidate_range(buf, buf + len * size); @@ -529,7 +599,7 @@ static void _dma_in(unsigned long addr, unsigned long buf, unsigned short len, } #define MAKE_DMA_IO(io, bwl, isize, dmasize, cnst) \ -void dma_##io##s##bwl(unsigned long addr, cnst void *buf, unsigned short len) \ +void dma_##io##s##bwl(unsigned long addr, cnst void *buf, unsigned DMA_MMR_SIZE_TYPE len) \ { \ _dma_##io(addr, (unsigned long)buf, len, isize, WDSIZE_##dmasize); \ } \ diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index 02796b88443d..83139aaf3072 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c @@ -58,7 +58,7 @@ static struct gpio_port_t * const gpio_array[] = { (struct gpio_port_t *) FIO0_FLAG_D, (struct gpio_port_t *) FIO1_FLAG_D, (struct gpio_port_t *) FIO2_FLAG_D, -#elif defined(CONFIG_BF54x) +#elif defined(CONFIG_BF54x) || defined(CONFIG_BF60x) (struct gpio_port_t *)PORTA_FER, (struct gpio_port_t *)PORTB_FER, (struct gpio_port_t *)PORTC_FER, @@ -66,9 +66,11 @@ static struct gpio_port_t * const gpio_array[] = { (struct gpio_port_t *)PORTE_FER, (struct gpio_port_t *)PORTF_FER, (struct gpio_port_t *)PORTG_FER, +# if defined(CONFIG_BF54x) (struct gpio_port_t *)PORTH_FER, (struct gpio_port_t *)PORTI_FER, (struct gpio_port_t *)PORTJ_FER, +# endif #else # error no gpio arrays defined #endif @@ -210,7 +212,7 @@ static void port_setup(unsigned gpio, unsigned short usage) else *port_fer[gpio_bank(gpio)] |= gpio_bit(gpio); SSYNC(); -#elif defined(CONFIG_BF54x) +#elif defined(CONFIG_BF54x) || defined(CONFIG_BF60x) if (usage == GPIO_USAGE) gpio_array[gpio_bank(gpio)]->port_fer &= ~gpio_bit(gpio); else @@ -299,7 +301,7 @@ static void portmux_setup(unsigned short per) pmux |= (function << offset); bfin_write_PORT_MUX(pmux); } -#elif defined(CONFIG_BF54x) +#elif defined(CONFIG_BF54x) || defined(CONFIG_BF60x) inline void portmux_setup(unsigned short per) { u16 ident = P_IDENT(per); @@ -377,7 +379,7 @@ static int portmux_group_check(unsigned short per) } #endif -#ifndef CONFIG_BF54x +#if !(defined(CONFIG_BF54x) || defined(CONFIG_BF60x)) /*********************************************************** * * FUNCTIONS: Blackfin General Purpose Ports Access Functions @@ -680,7 +682,7 @@ void bfin_gpio_pm_hibernate_restore(void) #endif -#else /* CONFIG_BF54x */ +#else /* CONFIG_BF54x || CONFIG_BF60x */ #ifdef CONFIG_PM int bfin_pm_standby_ctrl(unsigned ctrl) @@ -726,7 +728,7 @@ unsigned short get_gpio_dir(unsigned gpio) } EXPORT_SYMBOL(get_gpio_dir); -#endif /* CONFIG_BF54x */ +#endif /* CONFIG_BF54x || CONFIG_BF60x */ /*********************************************************** * @@ -783,7 +785,7 @@ int peripheral_request(unsigned short per, const char *label) * be requested and used by several drivers */ -#ifdef CONFIG_BF54x +#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x) if (!((per & P_MAYSHARE) && get_portmux(per) == P_FUNCT2MUX(per))) { #else if (!(per & P_MAYSHARE)) { @@ -937,7 +939,7 @@ int bfin_gpio_request(unsigned gpio, const char *label) printk(KERN_NOTICE "bfin-gpio: GPIO %d is already reserved as gpio-irq!" " (Documentation/blackfin/bfin-gpio-notes.txt)\n", gpio); } -#ifndef CONFIG_BF54x +#if !(defined(CONFIG_BF54x) || defined(CONFIG_BF60x)) else { /* Reset POLAR setting when acquiring a gpio for the first time */ set_gpio_polar(gpio, 0); } @@ -1110,7 +1112,7 @@ void bfin_gpio_irq_free(unsigned gpio) static inline void __bfin_gpio_direction_input(unsigned gpio) { -#ifdef CONFIG_BF54x +#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x) gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio); #else gpio_array[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio); @@ -1138,13 +1140,13 @@ EXPORT_SYMBOL(bfin_gpio_direction_input); void bfin_gpio_irq_prepare(unsigned gpio) { -#ifdef CONFIG_BF54x +#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x) unsigned long flags; #endif port_setup(gpio, GPIO_USAGE); -#ifdef CONFIG_BF54x +#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x) flags = hard_local_irq_save(); __bfin_gpio_direction_input(gpio); hard_local_irq_restore(flags); @@ -1173,7 +1175,7 @@ int bfin_gpio_direction_output(unsigned gpio, int value) gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio); gpio_set_value(gpio, value); -#ifdef CONFIG_BF54x +#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x) gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio); #else gpio_array[gpio_bank(gpio)]->dir |= gpio_bit(gpio); @@ -1188,7 +1190,7 @@ EXPORT_SYMBOL(bfin_gpio_direction_output); int bfin_gpio_get_value(unsigned gpio) { -#ifdef CONFIG_BF54x +#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x) return (1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio))); #else unsigned long flags; diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c index 886e00014d75..3e366dc2d6e1 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c @@ -139,7 +139,7 @@ void __init generate_cplb_tables_all(void) dcplb_bounds[i_d].eaddr = BOOT_ROM_START; dcplb_bounds[i_d++].data = 0; /* BootROM -- largest one should be less than 1 meg. */ - dcplb_bounds[i_d].eaddr = BOOT_ROM_START + (1 * 1024 * 1024); + dcplb_bounds[i_d].eaddr = BOOT_ROM_START + BOOT_ROM_LENGTH; dcplb_bounds[i_d++].data = SDRAM_DGENERIC; if (L2_LENGTH) { /* Addressing hole up to L2 SRAM. */ @@ -178,7 +178,7 @@ void __init generate_cplb_tables_all(void) icplb_bounds[i_i].eaddr = BOOT_ROM_START; icplb_bounds[i_i++].data = 0; /* BootROM -- largest one should be less than 1 meg. */ - icplb_bounds[i_i].eaddr = BOOT_ROM_START + (1 * 1024 * 1024); + icplb_bounds[i_i].eaddr = BOOT_ROM_START + BOOT_ROM_LENGTH; icplb_bounds[i_i++].data = SDRAM_IGENERIC; if (L2_LENGTH) { diff --git a/arch/blackfin/kernel/cplb-nompu/cplbmgr.c b/arch/blackfin/kernel/cplb-nompu/cplbmgr.c index 5b88861d6183..e854f9066cbd 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbmgr.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbmgr.c @@ -179,6 +179,12 @@ MGR_ATTR static int dcplb_miss(int cpu) addr = addr1; } +#ifdef CONFIG_BF60x + if ((addr >= ASYNC_BANK0_BASE) + && (addr < ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE)) + d_data |= PAGE_SIZE_64MB; +#endif + /* Pick entry to evict */ idx = evict_one_dcplb(cpu); diff --git a/arch/blackfin/kernel/debug-mmrs.c b/arch/blackfin/kernel/debug-mmrs.c index 92f664826281..01232a13470d 100644 --- a/arch/blackfin/kernel/debug-mmrs.c +++ b/arch/blackfin/kernel/debug-mmrs.c @@ -105,6 +105,7 @@ DEFINE_SYSREG(seqstat, , ); DEFINE_SYSREG(syscfg, , CSYNC()); #define D_SYSREG(sr) debugfs_create_file(#sr, S_IRUSR|S_IWUSR, parent, NULL, &fops_sysreg_##sr) +#ifndef CONFIG_BF60x /* * CAN */ @@ -223,8 +224,10 @@ bfin_debug_mmrs_dma(struct dentry *parent, unsigned long base, int num, char mdm __DMA(CURR_DESC_PTR, curr_desc_ptr); __DMA(CURR_ADDR, curr_addr); __DMA(IRQ_STATUS, irq_status); +#ifndef CONFIG_BF60x if (strcmp(pfx, "IMDMA") != 0) __DMA(PERIPHERAL_MAP, peripheral_map); +#endif __DMA(CURR_X_COUNT, curr_x_count); __DMA(CURR_Y_COUNT, curr_y_count); } @@ -568,7 +571,7 @@ bfin_debug_mmrs_uart(struct dentry *parent, unsigned long base, int num) #endif } #define UART(num) bfin_debug_mmrs_uart(parent, UART##num##_DLL, num) - +#endif /* CONFIG_BF60x */ /* * The actual debugfs generation */ @@ -740,7 +743,7 @@ static int __init bfin_debug_mmrs_init(void) D32(WPDACNT0); D32(WPDACNT1); D32(WPSTAT); - +#ifndef CONFIG_BF60x /* System MMRs */ #ifdef ATAPI_CONTROL parent = debugfs_create_dir("atapi", top); @@ -1873,7 +1876,7 @@ static int __init bfin_debug_mmrs_init(void) } #endif /* BF54x */ - +#endif /* CONFIG_BF60x */ debug_mmrs_dentry = top; return 0; diff --git a/arch/blackfin/kernel/entry.S b/arch/blackfin/kernel/entry.S index 686478f5f66b..f33792cc1a0d 100644 --- a/arch/blackfin/kernel/entry.S +++ b/arch/blackfin/kernel/entry.S @@ -64,16 +64,6 @@ ENTRY(_ret_from_fork) jump (p0); ENDPROC(_ret_from_fork) -ENTRY(_sys_fork) - r0 = -EINVAL; -#if (ANOMALY_05000371) - nop; - nop; - nop; -#endif - rts; -ENDPROC(_sys_fork) - ENTRY(_sys_vfork) r0 = sp; r0 += 24; diff --git a/arch/blackfin/kernel/gptimers.c b/arch/blackfin/kernel/gptimers.c index 06459f4bf43a..d776773d3869 100644 --- a/arch/blackfin/kernel/gptimers.c +++ b/arch/blackfin/kernel/gptimers.c @@ -23,7 +23,11 @@ printk(KERN_DEBUG "%s:%s:%i: Assertion failed: " #expr "\n", __FILE__, __func__, __LINE__); #endif -#define BFIN_TIMER_NUM_GROUP (BFIN_TIMER_OCTET(MAX_BLACKFIN_GPTIMERS - 1) + 1) +#ifndef CONFIG_BF60x +# define BFIN_TIMER_NUM_GROUP (BFIN_TIMER_OCTET(MAX_BLACKFIN_GPTIMERS - 1) + 1) +#else +# define BFIN_TIMER_NUM_GROUP 1 +#endif static struct bfin_gptimer_regs * const timer_regs[MAX_BLACKFIN_GPTIMERS] = { @@ -158,6 +162,74 @@ uint32_t get_gptimer_count(unsigned int timer_id) } EXPORT_SYMBOL(get_gptimer_count); +#ifdef CONFIG_BF60x +void set_gptimer_delay(unsigned int timer_id, uint32_t delay) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + bfin_write(&timer_regs[timer_id]->delay, delay); + SSYNC(); +} +EXPORT_SYMBOL(set_gptimer_delay); + +uint32_t get_gptimer_delay(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + return bfin_read(&timer_regs[timer_id]->delay); +} +EXPORT_SYMBOL(get_gptimer_delay); +#endif + +#ifdef CONFIG_BF60x +int get_gptimer_intr(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + return !!(bfin_read(&group_regs[BFIN_TIMER_OCTET(timer_id)]->data_ilat) & timil_mask[timer_id]); +} +EXPORT_SYMBOL(get_gptimer_intr); + +void clear_gptimer_intr(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + bfin_write(&group_regs[BFIN_TIMER_OCTET(timer_id)]->data_ilat, timil_mask[timer_id]); +} +EXPORT_SYMBOL(clear_gptimer_intr); + +int get_gptimer_over(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + return !!(bfin_read(&group_regs[BFIN_TIMER_OCTET(timer_id)]->stat_ilat) & tovf_mask[timer_id]); +} +EXPORT_SYMBOL(get_gptimer_over); + +void clear_gptimer_over(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + bfin_write(&group_regs[BFIN_TIMER_OCTET(timer_id)]->stat_ilat, tovf_mask[timer_id]); +} +EXPORT_SYMBOL(clear_gptimer_over); + +int get_gptimer_run(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + return !!(bfin_read(&group_regs[BFIN_TIMER_OCTET(timer_id)]->run) & trun_mask[timer_id]); +} +EXPORT_SYMBOL(get_gptimer_run); + +uint32_t get_gptimer_status(unsigned int group) +{ + tassert(group < BFIN_TIMER_NUM_GROUP); + return bfin_read(&group_regs[group]->data_ilat); +} +EXPORT_SYMBOL(get_gptimer_status); + +void set_gptimer_status(unsigned int group, uint32_t value) +{ + tassert(group < BFIN_TIMER_NUM_GROUP); + bfin_write(&group_regs[group]->data_ilat, value); + SSYNC(); +} +EXPORT_SYMBOL(set_gptimer_status); +#else uint32_t get_gptimer_status(unsigned int group) { tassert(group < BFIN_TIMER_NUM_GROUP); @@ -212,6 +284,7 @@ int get_gptimer_run(unsigned int timer_id) return !!(read_gptimer_status(timer_id) & trun_mask[timer_id]); } EXPORT_SYMBOL(get_gptimer_run); +#endif void set_gptimer_config(unsigned int timer_id, uint16_t config) { @@ -231,6 +304,12 @@ EXPORT_SYMBOL(get_gptimer_config); void enable_gptimers(uint16_t mask) { int i; +#ifdef CONFIG_BF60x + uint16_t imask; + imask = bfin_read16(TIMER_DATA_IMSK); + imask &= ~mask; + bfin_write16(TIMER_DATA_IMSK, imask); +#endif tassert((mask & ~BLACKFIN_GPTIMER_IDMASK) == 0); for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i) { bfin_write(&group_regs[i]->enable, mask & 0xFF); @@ -253,12 +332,16 @@ static void _disable_gptimers(uint16_t mask) void disable_gptimers(uint16_t mask) { +#ifndef CONFIG_BF60x int i; _disable_gptimers(mask); for (i = 0; i < MAX_BLACKFIN_GPTIMERS; ++i) if (mask & (1 << i)) bfin_write(&group_regs[BFIN_TIMER_OCTET(i)]->status, trun_mask[i]); SSYNC(); +#else + _disable_gptimers(mask); +#endif } EXPORT_SYMBOL(disable_gptimers); diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c index c0f4fe287eb6..2e3994b20169 100644 --- a/arch/blackfin/kernel/process.c +++ b/arch/blackfin/kernel/process.c @@ -95,7 +95,9 @@ void cpu_idle(void) idle(); rcu_idle_exit(); tick_nohz_idle_exit(); - schedule_preempt_disabled(); + preempt_enable_no_resched(); + schedule(); + preempt_disable(); } } @@ -329,12 +331,16 @@ int in_mem_const(unsigned long addr, unsigned long size, { return in_mem_const_off(addr, size, 0, const_addr, const_size); } +#ifdef CONFIG_BF60x +#define ASYNC_ENABLED(bnum, bctlnum) 1 +#else #define ASYNC_ENABLED(bnum, bctlnum) \ ({ \ (bfin_read_EBIU_AMGCTL() & 0xe) < ((bnum + 1) << 1) ? 0 : \ bfin_read_EBIU_AMBCTL##bctlnum() & B##bnum##RDYEN ? 0 : \ 1; \ }) +#endif /* * We can't read EBIU banks that aren't enabled or we end up hanging * on the access to the async space. Make sure we validate accesses diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c index b0434f89e8de..5272e6eefd92 100644 --- a/arch/blackfin/kernel/reboot.c +++ b/arch/blackfin/kernel/reboot.c @@ -22,6 +22,7 @@ __attribute__ ((__l1_text__, __noreturn__)) static void bfin_reset(void) { +#ifndef CONFIG_BF60x if (!ANOMALY_05000353 && !ANOMALY_05000386) bfrom_SoftReset((void *)(L1_SCRATCH_START + L1_SCRATCH_LENGTH - 20)); @@ -57,7 +58,6 @@ static void bfin_reset(void) if (__SILICON_REVISION__ < 1 && bfin_revid() < 1) bfin_read_SWRST(); #endif - /* Wait for the SWRST write to complete. Cannot rely on SSYNC * though as the System state is all reset now. */ @@ -72,6 +72,10 @@ static void bfin_reset(void) while (1) /* Issue core reset */ asm("raise 1"); +#else + while (1) + bfin_write_RCU0_CTL(0x1); +#endif } __attribute__((weak)) diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 2ad747e909fb..ada8f0fc71e4 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -25,12 +25,16 @@ #include <asm/cacheflush.h> #include <asm/blackfin.h> #include <asm/cplbinit.h> +#include <asm/clocks.h> #include <asm/div64.h> #include <asm/cpu.h> #include <asm/fixed_code.h> #include <asm/early_printk.h> #include <asm/irq_handler.h> #include <asm/pda.h> +#ifdef CONFIG_BF60x +#include <mach/pm.h> +#endif u16 _bfin_swrst; EXPORT_SYMBOL(_bfin_swrst); @@ -550,7 +554,6 @@ static __init void memory_setup(void) { #ifdef CONFIG_MTD_UCLINUX unsigned long mtd_phys = 0; - unsigned long n; #endif unsigned long max_mem; @@ -594,9 +597,9 @@ static __init void memory_setup(void) mtd_size = PAGE_ALIGN(*((unsigned long *)(mtd_phys + 8))); # if defined(CONFIG_EXT2_FS) || defined(CONFIG_EXT3_FS) - n = ext2_image_size((void *)(mtd_phys + 0x400)); - if (n) - mtd_size = PAGE_ALIGN(n * 1024); + if (*((unsigned short *)(mtd_phys + 0x438)) == EXT2_SUPER_MAGIC) + mtd_size = + PAGE_ALIGN(*((unsigned long *)(mtd_phys + 0x404)) << 10); # endif # if defined(CONFIG_CRAMFS) @@ -612,7 +615,8 @@ static __init void memory_setup(void) /* ROM_FS is XIP, so if we found it, we need to limit memory */ if (memory_end > max_mem) { - pr_info("Limiting kernel memory to %liMB due to anomaly 05000263\n", max_mem >> 20); + pr_info("Limiting kernel memory to %liMB due to anomaly 05000263\n", + (max_mem - CONFIG_PHY_RAM_BASE_ADDRESS) >> 20); memory_end = max_mem; } } @@ -642,7 +646,8 @@ static __init void memory_setup(void) * doesn't exist, or we don't need to - then dont. */ if (memory_end > max_mem) { - pr_info("Limiting kernel memory to %liMB due to anomaly 05000263\n", max_mem >> 20); + pr_info("Limiting kernel memory to %liMB due to anomaly 05000263\n", + (max_mem - CONFIG_PHY_RAM_BASE_ADDRESS) >> 20); memory_end = max_mem; } @@ -661,8 +666,8 @@ static __init void memory_setup(void) init_mm.end_data = (unsigned long)_edata; init_mm.brk = (unsigned long)0; - printk(KERN_INFO "Board Memory: %ldMB\n", physical_mem_end >> 20); - printk(KERN_INFO "Kernel Managed Memory: %ldMB\n", _ramend >> 20); + printk(KERN_INFO "Board Memory: %ldMB\n", (physical_mem_end - CONFIG_PHY_RAM_BASE_ADDRESS) >> 20); + printk(KERN_INFO "Kernel Managed Memory: %ldMB\n", (_ramend - CONFIG_PHY_RAM_BASE_ADDRESS) >> 20); printk(KERN_INFO "Memory map:\n" " fixedcode = 0x%p-0x%p\n" @@ -705,7 +710,7 @@ void __init find_min_max_pfn(void) int i; max_pfn = 0; - min_low_pfn = memory_end; + min_low_pfn = PFN_DOWN(memory_end); for (i = 0; i < bfin_memmap.nr_map; i++) { unsigned long start, end; @@ -748,8 +753,7 @@ static __init void setup_bootmem_allocator(void) /* pfn of the first usable page frame after kernel image*/ if (min_low_pfn < memory_start >> PAGE_SHIFT) min_low_pfn = memory_start >> PAGE_SHIFT; - - start_pfn = PAGE_OFFSET >> PAGE_SHIFT; + start_pfn = CONFIG_PHY_RAM_BASE_ADDRESS >> PAGE_SHIFT; end_pfn = memory_end >> PAGE_SHIFT; /* @@ -794,8 +798,8 @@ static __init void setup_bootmem_allocator(void) } /* reserve memory before memory_start, including bootmap */ - reserve_bootmem(PAGE_OFFSET, - memory_start + bootmap_size + PAGE_SIZE - 1 - PAGE_OFFSET, + reserve_bootmem(CONFIG_PHY_RAM_BASE_ADDRESS, + memory_start + bootmap_size + PAGE_SIZE - 1 - CONFIG_PHY_RAM_BASE_ADDRESS, BOOTMEM_DEFAULT); } @@ -844,13 +848,40 @@ static inline int __init get_mem_size(void) break; } switch (ddrctl & 0x30000) { - case DEVWD_4: ret *= 2; - case DEVWD_8: ret *= 2; - case DEVWD_16: break; + case DEVWD_4: + ret *= 2; + case DEVWD_8: + ret *= 2; + case DEVWD_16: + break; } if ((ddrctl & 0xc000) == 0x4000) ret *= 2; return ret; +#elif defined(CONFIG_BF60x) + u32 ddrctl = bfin_read_DMC0_CFG(); + int ret; + switch (ddrctl & 0xf00) { + case DEVSZ_64: + ret = 64 / 8; + break; + case DEVSZ_128: + ret = 128 / 8; + break; + case DEVSZ_256: + ret = 256 / 8; + break; + case DEVSZ_512: + ret = 512 / 8; + break; + case DEVSZ_1G: + ret = 1024 / 8; + break; + case DEVSZ_2G: + ret = 2048 / 8; + break; + } + return ret; #endif BUG(); } @@ -860,6 +891,22 @@ void __init native_machine_early_platform_add_devices(void) { } +#ifdef CONFIG_BF60x +static inline u_long bfin_get_clk(char *name) +{ + struct clk *clk; + u_long clk_rate; + + clk = clk_get(NULL, name); + if (IS_ERR(clk)) + return 0; + + clk_rate = clk_get_rate(clk); + clk_put(clk); + return clk_rate; +} +#endif + void __init setup_arch(char **cmdline_p) { u32 mmr; @@ -870,6 +917,7 @@ void __init setup_arch(char **cmdline_p) enable_shadow_console(); /* Check to make sure we are running on the right processor */ + mmr = bfin_cpuid(); if (unlikely(CPUID != bfin_cpuid())) printk(KERN_ERR "ERROR: Not running on ADSP-%s: unknown CPUID 0x%04x Rev 0.%d\n", CPU, bfin_cpuid(), bfin_revid()); @@ -890,6 +938,10 @@ void __init setup_arch(char **cmdline_p) memset(&bfin_memmap, 0, sizeof(bfin_memmap)); +#ifdef CONFIG_BF60x + /* Should init clock device before parse command early */ + clk_init(); +#endif /* If the user does not specify things on the command line, use * what the bootloader set things up as */ @@ -904,6 +956,7 @@ void __init setup_arch(char **cmdline_p) memory_setup(); +#ifndef CONFIG_BF60x /* Initialize Async memory banks */ bfin_write_EBIU_AMBCTL0(AMBCTL0VAL); bfin_write_EBIU_AMBCTL1(AMBCTL1VAL); @@ -913,6 +966,7 @@ void __init setup_arch(char **cmdline_p) bfin_write_EBIU_MODE(CONFIG_EBIU_MODEVAL); bfin_write_EBIU_FCTL(CONFIG_EBIU_FCTLVAL); #endif +#endif #ifdef CONFIG_BFIN_HYSTERESIS_CONTROL bfin_write_PORTF_HYSTERESIS(HYST_PORTF_0_15); bfin_write_PORTG_HYSTERESIS(HYST_PORTG_0_15); @@ -938,7 +992,7 @@ void __init setup_arch(char **cmdline_p) printk(KERN_INFO "Hardware Trace %s and %sabled\n", (mmr & 0x1) ? "active" : "off", (mmr & 0x2) ? "en" : "dis"); - +#ifndef CONFIG_BF60x mmr = bfin_read_SYSCR(); printk(KERN_INFO "Boot Mode: %i\n", mmr & 0xF); @@ -980,7 +1034,7 @@ void __init setup_arch(char **cmdline_p) printk(KERN_INFO "Recovering from Watchdog event\n"); else if (_bfin_swrst & RESET_SOFTWARE) printk(KERN_NOTICE "Reset caused by Software reset\n"); - +#endif printk(KERN_INFO "Blackfin support (C) 2004-2010 Analog Devices, Inc.\n"); if (bfin_compiled_revid() == 0xffff) printk(KERN_INFO "Compiled for ADSP-%s Rev any, running on 0.%d\n", CPU, bfin_revid()); @@ -1008,8 +1062,13 @@ void __init setup_arch(char **cmdline_p) printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n"); +#ifdef CONFIG_BF60x + printk(KERN_INFO "Processor Speed: %lu MHz core clock, %lu MHz SCLk, %lu MHz SCLK0, %lu MHz SCLK1 and %lu MHz DCLK\n", + cclk / 1000000, bfin_get_clk("SYSCLK") / 1000000, get_sclk0() / 1000000, get_sclk1() / 1000000, get_dclk() / 1000000); +#else printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n", cclk / 1000000, sclk / 1000000); +#endif setup_bootmem_allocator(); @@ -1060,10 +1119,12 @@ subsys_initcall(topology_init); /* Get the input clock frequency */ static u_long cached_clkin_hz = CONFIG_CLKIN_HZ; +#ifndef CONFIG_BF60x static u_long get_clkin_hz(void) { return cached_clkin_hz; } +#endif static int __init early_init_clkin_hz(char *buf) { cached_clkin_hz = simple_strtoul(buf, NULL, 0); @@ -1075,6 +1136,7 @@ static int __init early_init_clkin_hz(char *buf) } early_param("clkin_hz=", early_init_clkin_hz); +#ifndef CONFIG_BF60x /* Get the voltage input multiplier */ static u_long get_vco(void) { @@ -1097,10 +1159,14 @@ static u_long get_vco(void) cached_vco *= msel; return cached_vco; } +#endif /* Get the Core clock */ u_long get_cclk(void) { +#ifdef CONFIG_BF60x + return bfin_get_clk("CCLK"); +#else static u_long cached_cclk_pll_div, cached_cclk; u_long csel, ssel; @@ -1120,12 +1186,39 @@ u_long get_cclk(void) else cached_cclk = get_vco() >> csel; return cached_cclk; +#endif } EXPORT_SYMBOL(get_cclk); -/* Get the System clock */ +#ifdef CONFIG_BF60x +/* Get the bf60x clock of SCLK0 domain */ +u_long get_sclk0(void) +{ + return bfin_get_clk("SCLK0"); +} +EXPORT_SYMBOL(get_sclk0); + +/* Get the bf60x clock of SCLK1 domain */ +u_long get_sclk1(void) +{ + return bfin_get_clk("SCLK1"); +} +EXPORT_SYMBOL(get_sclk1); + +/* Get the bf60x DRAM clock */ +u_long get_dclk(void) +{ + return bfin_get_clk("DCLK"); +} +EXPORT_SYMBOL(get_dclk); +#endif + +/* Get the default system clock */ u_long get_sclk(void) { +#ifdef CONFIG_BF60x + return get_sclk0(); +#else static u_long cached_sclk; u_long ssel; @@ -1146,6 +1239,7 @@ u_long get_sclk(void) cached_sclk = get_vco() / ssel; return cached_sclk; +#endif } EXPORT_SYMBOL(get_sclk); diff --git a/arch/blackfin/kernel/shadow_console.c b/arch/blackfin/kernel/shadow_console.c index 557e9fef406a..aeb8343eeb03 100644 --- a/arch/blackfin/kernel/shadow_console.c +++ b/arch/blackfin/kernel/shadow_console.c @@ -15,9 +15,9 @@ #include <asm/irq_handler.h> #include <asm/early_printk.h> -#define SHADOW_CONSOLE_START (0x500) -#define SHADOW_CONSOLE_END (0x1000) -#define SHADOW_CONSOLE_MAGIC_LOC (0x4F0) +#define SHADOW_CONSOLE_START (CONFIG_PHY_RAM_BASE_ADDRESS + 0x500) +#define SHADOW_CONSOLE_END (CONFIG_PHY_RAM_BASE_ADDRESS + 0x1000) +#define SHADOW_CONSOLE_MAGIC_LOC (CONFIG_PHY_RAM_BASE_ADDRESS + 0x4F0) #define SHADOW_CONSOLE_MAGIC (0xDEADBEEF) static __initdata char *shadow_console_buffer = (char *)SHADOW_CONSOLE_START; diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c index d98f2d69b0c4..f608f02f29a3 100644 --- a/arch/blackfin/kernel/time-ts.c +++ b/arch/blackfin/kernel/time-ts.c @@ -66,8 +66,14 @@ void __init setup_gptimer0(void) { disable_gptimers(TIMER0bit); +#ifdef CONFIG_BF60x + bfin_write16(TIMER_DATA_IMSK, 0); + set_gptimer_config(TIMER0_id, TIMER_OUT_DIS + | TIMER_MODE_PWM_CONT | TIMER_PULSE_HI | TIMER_IRQ_PER); +#else set_gptimer_config(TIMER0_id, \ TIMER_OUT_DIS | TIMER_PERIOD_CNT | TIMER_MODE_PWM); +#endif set_gptimer_period(TIMER0_id, -1); set_gptimer_pwidth(TIMER0_id, -2); SSYNC(); @@ -135,9 +141,15 @@ static void bfin_gptmr0_set_mode(enum clock_event_mode mode, { switch (mode) { case CLOCK_EVT_MODE_PERIODIC: { +#ifndef CONFIG_BF60x set_gptimer_config(TIMER0_id, \ TIMER_OUT_DIS | TIMER_IRQ_ENA | \ TIMER_PERIOD_CNT | TIMER_MODE_PWM); +#else + set_gptimer_config(TIMER0_id, TIMER_OUT_DIS + | TIMER_MODE_PWM_CONT | TIMER_PULSE_HI | TIMER_IRQ_PER); +#endif + set_gptimer_period(TIMER0_id, get_sclk() / HZ); set_gptimer_pwidth(TIMER0_id, get_sclk() / HZ - 1); enable_gptimers(TIMER0bit); @@ -145,8 +157,14 @@ static void bfin_gptmr0_set_mode(enum clock_event_mode mode, } case CLOCK_EVT_MODE_ONESHOT: disable_gptimers(TIMER0bit); +#ifndef CONFIG_BF60x set_gptimer_config(TIMER0_id, \ TIMER_OUT_DIS | TIMER_IRQ_ENA | TIMER_MODE_PWM); +#else + set_gptimer_config(TIMER0_id, TIMER_OUT_DIS | TIMER_MODE_PWM + | TIMER_PULSE_HI | TIMER_IRQ_WID_DLY); +#endif + set_gptimer_period(TIMER0_id, 0); break; case CLOCK_EVT_MODE_UNUSED: @@ -160,7 +178,7 @@ static void bfin_gptmr0_set_mode(enum clock_event_mode mode, static void bfin_gptmr0_ack(void) { - set_gptimer_status(TIMER_GROUP1, TIMER_STATUS_TIMIL0); + clear_gptimer_intr(TIMER0_id); } static void __init bfin_gptmr0_init(void) @@ -197,7 +215,7 @@ static struct clock_event_device clockevent_gptmr0 = { .rating = 300, .irq = IRQ_TIMER0, .shift = 32, - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, .set_next_event = bfin_gptmr0_set_next_event, .set_mode = bfin_gptmr0_set_mode, }; @@ -312,6 +330,11 @@ void bfin_coretmr_clockevent_init(void) #endif +#ifdef CONFIG_SMP + evt->broadcast = smp_timer_broadcast; +#endif + + evt->name = "bfin_core_timer"; evt->rating = 350; evt->irq = -1; |