[U-Boot] [PATCH 2/4] omap: enable caches at system start-up

Aneesh V
2011-08-09T11:10:23Z

Signed-off-by: Aneesh V <aneesh@ti.com>
---
arch/arm/cpu/armv7/omap3/board.c | 8 ++++++++
arch/arm/cpu/armv7/omap4/board.c | 8 ++++++++
2 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c
index 4aaf97b..2c3d7f3 100644
--- a/arch/arm/cpu/armv7/omap3/board.c
+++ b/arch/arm/cpu/armv7/omap3/board.c
@@ -402,3 +402,11 @@ void v7_outer_cache_disable(void)
omap3_update_aux_cr(0, 0x2);
}
#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/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c
index 5943d61..8f7c375 100644
--- a/arch/arm/cpu/armv7/omap4/board.c
+++ b/arch/arm/cpu/armv7/omap4/board.c
@@ -299,3 +299,11 @@ void v7_outer_cache_disable(void)
set_pl310_ctrl_reg(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
--
1.7.0.4