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 <s...@chromium.org>
---
Changes in v2:
- Enable caches for all Tegra2 boards instead of just Nvidia ones
Changes in v3:
- Rebase against master
arch/arm/cpu/armv7/tegra2/board.c | 8 ++++++++
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 8b9e895..38497f1 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
--
1.7.3.1
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