arm: v7R: Add support for enabling caches

Cache maintenance procedure is same for v7A and v7R
processors. So re-use cache-cp15.c file except for
mmu parts.

Tested-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/arm/cpu/armv7/mpu_v7r.c b/arch/arm/cpu/armv7/mpu_v7r.c
index 567d913414..7adecffff8 100644
--- a/arch/arm/cpu/armv7/mpu_v7r.c
+++ b/arch/arm/cpu/armv7/mpu_v7r.c
@@ -106,3 +106,14 @@ void setup_mpu_regions(struct mpu_region_config *rgns, u32 num_rgns)
 
 	icache_enable();
 }
+
+void enable_caches(void)
+{
+	/*
+	 * setup_mpu_regions() might have enabled Icache. So add a check
+	 * before enabling Icache
+	 */
+	if (!icache_status())
+		icache_enable();
+	dcache_enable();
+}