diff options
| -rw-r--r-- | arch/arm/mach-davinci/dm355.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/dm644x.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/dm646x.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/common.h | 6 |
4 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index 893d5ba21d5..baaaf328de2 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c @@ -613,6 +613,13 @@ static struct map_desc dm355_io_desc[] = { .length = IO_SIZE, .type = MT_DEVICE }, + { + .virtual = SRAM_VIRT, + .pfn = __phys_to_pfn(0x00010000), + .length = SZ_32K, + /* MT_MEMORY_NONCACHED requires supersection alignment */ + .type = MT_DEVICE, + }, }; /* Contents of JTAG ID register used to identify exact cpu type */ @@ -702,6 +709,8 @@ static struct davinci_soc_info davinci_soc_info_dm355 = { .gpio_num = 104, .gpio_irq = IRQ_DM355_GPIOBNK0, .serial_dev = &dm355_serial_device, + .sram_dma = 0x00010000, + .sram_len = SZ_32K, }; void __init dm355_init(void) diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index 4ab5f07ead0..fb5449b3c97 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -539,6 +539,13 @@ static struct map_desc dm644x_io_desc[] = { .length = IO_SIZE, .type = MT_DEVICE }, + { + .virtual = SRAM_VIRT, + .pfn = __phys_to_pfn(0x00008000), + .length = SZ_16K, + /* MT_MEMORY_NONCACHED requires supersection alignment */ + .type = MT_DEVICE, + }, }; /* Contents of JTAG ID register used to identify exact cpu type */ @@ -629,6 +636,8 @@ static struct davinci_soc_info davinci_soc_info_dm644x = { .gpio_irq = IRQ_GPIOBNK0, .serial_dev = &dm644x_serial_device, .emac_pdata = &dm644x_emac_pdata, + .sram_dma = 0x00008000, + .sram_len = SZ_16K, }; void __init dm644x_init(void) diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index 12189c737a3..334f0711e0f 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -518,6 +518,13 @@ static struct map_desc dm646x_io_desc[] = { .length = IO_SIZE, .type = MT_DEVICE }, + { + .virtual = SRAM_VIRT, + .pfn = __phys_to_pfn(0x00010000), + .length = SZ_32K, + /* MT_MEMORY_NONCACHED requires supersection alignment */ + .type = MT_DEVICE, + }, }; /* Contents of JTAG ID register used to identify exact cpu type */ @@ -608,6 +615,8 @@ static struct davinci_soc_info davinci_soc_info_dm646x = { .gpio_irq = IRQ_DM646X_GPIOBNK0, .serial_dev = &dm646x_serial_device, .emac_pdata = &dm646x_emac_pdata, + .sram_dma = 0x10010000, + .sram_len = SZ_32K, }; void __init dm646x_init(void) diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h index 715528f0dbd..a1f03b606d8 100644 --- a/arch/arm/mach-davinci/include/mach/common.h +++ b/arch/arm/mach-davinci/include/mach/common.h @@ -66,10 +66,16 @@ struct davinci_soc_info { unsigned gpio_irq; struct platform_device *serial_dev; struct emac_platform_data *emac_pdata; + dma_addr_t sram_dma; + unsigned sram_len; }; extern struct davinci_soc_info davinci_soc_info; extern void davinci_common_init(struct davinci_soc_info *soc_info); +/* standard place to map on-chip SRAMs; they *may* support DMA */ +#define SRAM_VIRT 0xfffe0000 +#define SRAM_SIZE SZ_128K + #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */ |