EXYNOS: add the enable_cache function for support cache

PATCH New Jaehoon Chung 1 participant 1 message Apr 30, 2012 Arm (32-bit)

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Jaehoon Chung

author

2012-04-30 09:01 UTC #0 lore raw

PATCH 1/1 EXYNOS: add the enable_cache function for support cache

By default, enable_cache() is implemented in arch/arm/lib. But didn't implemented enable_cache().
It should be implemented in platform code.
This patch is added the enable_cache() in platform code for supporting cache

Signed-off-by Jaehoon Chung <[email protected]>

Signed-off-by Kyungmin Park <[email protected]>

---
 arch/arm/cpu/armv7/s5p-common/cpu_info.c |    8 ++++++++
 include/configs/s5pc210_universal.h      |    3 ---
 include/configs/trats.h                  |    3 ---
 3 files changed, 8 insertions(+), 6 deletions(-)

arch/arm/cpu/armv7/s5p-common/cpu_info.c +8 -0

index 527f32d..a015930 100644
@@ -54,3 +54,11 @@ int print_cpuinfo(void)
 	return 0;
 }
 #endif
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+	/* Enable D-cache. I-cache is already enabled in start.S */
+	dcache_enable();
+}
+#endif

include/configs/s5pc210_universal.h +0 -3

index 1301275..5ea09d7 100644
@@ -41,9 +41,6 @@
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
 
-/* Keep L2 Cache Disabled */
-#define CONFIG_SYS_L2CACHE_OFF		1
-
 #define CONFIG_SYS_SDRAM_BASE		0x40000000
 #define CONFIG_SYS_TEXT_BASE		0x44800000

include/configs/trats.h +0 -3

index 5f913ca..480fcf0 100644
@@ -41,9 +41,6 @@
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
 
-/* Keep L2 Cache Disabled */
-#define CONFIG_SYS_L2CACHE_OFF
-
 #define CONFIG_SYS_SDRAM_BASE		0x40000000
 #define CONFIG_SYS_TEXT_BASE		0x63300000