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authorSimon Glass <sjg@chromium.org>2012-01-09 13:22:15 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-02-12 10:11:22 +0100
commitbd29cb05f2bd655a15ba32d96a0b4028b83be320 (patch)
tree97236ed97eaba06110e68af6181b7dd577a451c6 /arch
parent98450d0220eea0ab32385063e2e27fb1eb92a746 (diff)
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tegra2: Enable data cache
This enables the data cache on Tegra2 boards. As discussed on the list, this is better off in the Tegra2 cpu code than in a particular vendor directory. We should be safe turning on the cache for all Tegra2 boards. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/armv7/tegra2/board.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/tegra2/board.c b/arch/arm/cpu/armv7/tegra2/board.c
index 8e28d08..349d50e 100644
--- a/arch/arm/cpu/armv7/tegra2/board.c
+++ b/arch/arm/cpu/armv7/tegra2/board.c
@@ -141,3 +141,11 @@ void board_init_uart_f(void)
#endif
setup_uarts(uart_ids);
}
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+}
+#endif