From: Jaehoon Chung <jh80.chung@samsung.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] EXYNOS: add the enable_cache function for support cache
Date: Mon, 30 Apr 2012 18:01:14 +0900 [thread overview]
Message-ID: <4F9E54DA.1080404@samsung.com> (raw)
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 <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
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(-)
diff --git a/arch/arm/cpu/armv7/s5p-common/cpu_info.c b/arch/arm/cpu/armv7/s5p-common/cpu_info.c
index 527f32d..a015930 100644
--- a/arch/arm/cpu/armv7/s5p-common/cpu_info.c
+++ b/arch/arm/cpu/armv7/s5p-common/cpu_info.c
@@ -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
diff --git a/include/configs/s5pc210_universal.h b/include/configs/s5pc210_universal.h
index 1301275..5ea09d7 100644
--- a/include/configs/s5pc210_universal.h
+++ b/include/configs/s5pc210_universal.h
@@ -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
diff --git a/include/configs/trats.h b/include/configs/trats.h
index 5f913ca..480fcf0 100644
--- a/include/configs/trats.h
+++ b/include/configs/trats.h
@@ -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
reply other threads:[~2012-04-30 9:01 UTC|newest]
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