[U-Boot] [PATCH] am33xx: Enable D-CACHE on !CONFIG_SYS_DCACHE_OFF

[Tom Rini]

Test on Beaglebone white over cpsw, usb ether and SD card (read and
write), performance increased, crc32 of data matches.

Signed-off-by: Tom Rini <trini at ti.com>
---
 arch/arm/cpu/armv7/am33xx/board.c |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c
index 2ea3d69..c261af5 100644
--- a/arch/arm/cpu/armv7/am33xx/board.c
+++ b/arch/arm/cpu/armv7/am33xx/board.c
@@ -225,3 +225,11 @@ void s_init(void)
 	sdram_init();
 #endif
 }
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+	/* Enable D-cache. I-cache is already enabled in start.S */
+	dcache_enable();
+}
+#endif /* !CONFIG_SYS_DCACHE_OFF */
-- 
1.7.9.5