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-rw-r--r--arch/arm/plat-omap/sram.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 8b28664d1c6..4243bdcc87b 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -40,7 +40,11 @@
#define OMAP1_SRAM_PA 0x20000000
#define OMAP2_SRAM_PUB_PA (OMAP2_SRAM_PA + 0xf800)
#define OMAP3_SRAM_PUB_PA (OMAP3_SRAM_PA + 0x8000)
+#ifdef CONFIG_OMAP4_ERRATA_I688
+#define OMAP4_SRAM_PUB_PA OMAP4_SRAM_PA
+#else
#define OMAP4_SRAM_PUB_PA (OMAP4_SRAM_PA + 0x4000)
+#endif
#if defined(CONFIG_ARCH_OMAP2PLUS)
#define SRAM_BOOTLOADER_SZ 0x00
@@ -141,11 +145,9 @@ static void __init omap_detect_sram(void)
omap_sram_size = 0x32000; /* 200K */
else if (cpu_is_omap15xx())
omap_sram_size = 0x30000; /* 192K */
- else if (cpu_is_omap1610() || cpu_is_omap1621() ||
- cpu_is_omap1710())
+ else if (cpu_is_omap1610() || cpu_is_omap1611() ||
+ cpu_is_omap1621() || cpu_is_omap1710())
omap_sram_size = 0x4000; /* 16K */
- else if (cpu_is_omap1611())
- omap_sram_size = SZ_256K;
else {
pr_err("Could not detect SRAM size\n");
omap_sram_size = 0x4000;
@@ -163,6 +165,10 @@ static void __init omap_map_sram(void)
if (omap_sram_size == 0)
return;
+#ifdef CONFIG_OMAP4_ERRATA_I688
+ omap_sram_start += PAGE_SIZE;
+ omap_sram_size -= SZ_16K;
+#endif
if (cpu_is_omap34xx()) {
/*
* SRAM must be marked as non-cached on OMAP3 since the
@@ -224,6 +230,9 @@ static void (*_omap_sram_reprogram_clock)(u32 dpllctl, u32 ckctl);
void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)
{
BUG_ON(!_omap_sram_reprogram_clock);
+ /* On 730, bit 13 must always be 1 */
+ if (cpu_is_omap7xx())
+ ckctl |= 0x2000;
_omap_sram_reprogram_clock(dpllctl, ckctl);
}