On OMAP4 the SRAM configuration is:
GP Device:
Start Address: 0x4030 0000
Size: 0xE000 (56KB)
EMU/HS Device:
Start Address: 0x4030 4000
Size: 0xA000 (40KB)
Implement this mapping in the sram file
Signed-off-by: Vikram Pandita <vikram.pand...@ti.com>
---
arch/arm/plat-omap/sram.c | 17 +++++++++++++----
1 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 112b807..3c7c9a6 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -53,7 +53,7 @@
#define OMAP4_SRAM_PUB_PA (OMAP4_SRAM_PA + 0x4000)
#define OMAP4_SRAM_PUB_VA (OMAP4_SRAM_VA + 0x4000)
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2PLUS)
#define SRAM_BOOTLOADER_SZ 0x00
#else
#define SRAM_BOOTLOADER_SZ 0x80
@@ -134,9 +134,18 @@ void __init omap_detect_sram(void)
omap_sram_size = 0x8000; /* 32K */
}
} else if (cpu_is_omap44xx()) {
- omap_sram_base = OMAP4_SRAM_PUB_VA;
- omap_sram_start = OMAP4_SRAM_PUB_PA;
- omap_sram_size = 0xa000; /* 40K */
+ if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) ||
+ (omap_type() == OMAP2_DEVICE_TYPE_SEC)) {
+ /* 40K For Public SRAM */
+ omap_sram_base = OMAP4_SRAM_PUB_VA;
+ omap_sram_start = OMAP4_SRAM_PUB_PA;
+ omap_sram_size = 0xA000;
+ } else {
+ /* 56 KB SRAM on GP device */
+ omap_sram_base = OMAP4_SRAM_VA;
+ omap_sram_start = OMAP4_SRAM_PA;
+ omap_sram_size = 0xE000;
+ }
} else {
omap_sram_base = OMAP2_SRAM_PUB_VA;
omap_sram_start = OMAP2_SRAM_PUB_PA;
--
1.6.6.1
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