From: Vaibhav Bedia <vaibhav.bedia@xxxxxx>
Update SRAM start & size for am33xx SoC's.
Note: cpu_is_34xx() is true for am33xx also. Doing
cpu_is_am33xx() check after cpu_is_34xx() will not
achieve what we want due to the above reason.
Hence cpu_is_am33xx() is done before cpu_is_34xx()
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@xxxxxx>
Signed-off-by: Afzal Mohammed <afzal@xxxxxx>
---
arch/arm/plat-omap/include/plat/sram.h | 1 +
arch/arm/plat-omap/sram.c | 14 ++++++++++++--
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/arch/arm/plat-omap/include/plat/sram.h b/arch/arm/plat-omap/include/plat/sram.h
index 75aa1b2..227ae26 100644
--- a/arch/arm/plat-omap/include/plat/sram.h
+++ b/arch/arm/plat-omap/include/plat/sram.h
@@ -101,4 +101,5 @@ static inline void omap_push_sram_idle(void) {}
#else
#define OMAP4_SRAM_PA 0x40300000
#endif
+#define AM33XX_SRAM_PA 0x40300000
#endif
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 4243bdc..596f222 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -86,7 +86,7 @@ static int is_sram_locked(void)
__raw_writel(0xCFDE, OMAP24XX_VA_READPERM0); /* all i-read */
__raw_writel(0xCFDE, OMAP24XX_VA_WRITEPERM0); /* all i-write */
}
- if (cpu_is_omap34xx()) {
+ if (cpu_is_omap34xx() && !cpu_is_am33xx()) {
__raw_writel(0xFFFF, OMAP34XX_VA_REQINFOPERM0); /* all q-vects */
__raw_writel(0xFFFF, OMAP34XX_VA_READPERM0); /* all i-read */
__raw_writel(0xFFFF, OMAP34XX_VA_WRITEPERM0); /* all i-write */
@@ -124,7 +124,10 @@ static void __init omap_detect_sram(void)
omap_sram_size = 0x800; /* 2K */
}
} else {
- if (cpu_is_omap34xx()) {
+ if (cpu_is_am33xx()) {
+ omap_sram_start = AM33XX_SRAM_PA;
+ omap_sram_size = 0x10000; /* 64K */
+ } else if (cpu_is_omap34xx()) {
omap_sram_start = OMAP3_SRAM_PA;
omap_sram_size = 0x10000; /* 64K */
} else if (cpu_is_omap44xx()) {
@@ -368,6 +371,11 @@ static inline int omap34xx_sram_init(void)
return 0;
}
+static inline int am33xx_sram_init(void)
+{
+ return 0;
+}
+
int __init omap_sram_init(void)
{
omap_detect_sram();
@@ -379,6 +387,8 @@ int __init omap_sram_init(void)
omap242x_sram_init();
else if (cpu_is_omap2430())
omap243x_sram_init();
+ else if (cpu_is_am33xx())
+ am33xx_sram_init();
else if (cpu_is_omap34xx())
omap34xx_sram_init();
--
1.7.1
--
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