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authorSekhar Nori <nsekhar@ti.com>2009-11-16 17:21:39 +0530
committerKevin Hilman <khilman@deeprootsystems.com>2010-02-04 13:29:40 -0800
commit60cd02e1f4a1574c26c9ae8d29d63bd3d179c0c2 (patch)
treef2048e3179726cc0cc5aa0c75dd2f045fe7d3ea6 /arch
parent7aad472bb5602242113718fc170e61b127460cbe (diff)
downloadblackbird-op-linux-60cd02e1f4a1574c26c9ae8d29d63bd3d179c0c2.tar.gz
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davinci: da850/omap-l138: create static map for SRAM
Create static map for internal SRAM and populate SRAM base and size in soc_info structure to allow SRAM allocation functions from arch/arm/mach-davinci/sram.c to work. On DA850 SRAM is used for suspend-to-RAM implementation in places where DDR2 cannot be accessed as its clocks are stopped. Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-davinci/da850.c8
-rw-r--r--arch/arm/mach-davinci/include/mach/da8xx.h1
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index fcfde2a72f8f..1ac8f6318c1b 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -771,6 +771,12 @@ static struct map_desc da850_io_desc[] = {
.length = DA8XX_CP_INTC_SIZE,
.type = MT_DEVICE
},
+ {
+ .virtual = SRAM_VIRT,
+ .pfn = __phys_to_pfn(DA8XX_ARM_RAM_BASE),
+ .length = SZ_8K,
+ .type = MT_DEVICE
+ },
};
static void __iomem *da850_psc_bases[] = {
@@ -1044,6 +1050,8 @@ static struct davinci_soc_info davinci_soc_info_da850 = {
.gpio_irq = IRQ_DA8XX_GPIO0,
.serial_dev = &da8xx_serial_device,
.emac_pdata = &da8xx_emac_pdata,
+ .sram_dma = DA8XX_ARM_RAM_BASE,
+ .sram_len = SZ_8K,
};
void __init da850_init(void)
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index cab4a25ebe4f..d43a4b6b6d76 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -57,6 +57,7 @@ extern void __iomem *da8xx_syscfg1_base;
#define DA8XX_AEMIF_CS3_BASE 0x62000000
#define DA8XX_AEMIF_CTL_BASE 0x68000000
#define DA8XX_DDR2_CTL_BASE 0xb0000000
+#define DA8XX_ARM_RAM_BASE 0xffff0000
#define PINMUX0 0x00
#define PINMUX1 0x04
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