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-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7723.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
index 04cb4aae7ea7..d8f4a13aeff9 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
@@ -14,6 +14,7 @@
#include <linux/serial_sci.h>
#include <linux/uio_driver.h>
#include <linux/sh_timer.h>
+#include <linux/io.h>
#include <asm/clock.h>
#include <asm/mmzone.h>
@@ -485,6 +486,15 @@ void __init plat_early_device_setup(void)
ARRAY_SIZE(sh7723_early_devices));
}
+#define RAMCR_CACHE_L2FC 0x0002
+#define RAMCR_CACHE_L2E 0x0001
+#define L2_CACHE_ENABLE (RAMCR_CACHE_L2E|RAMCR_CACHE_L2FC)
+void __uses_jump_to_uncached l2_cache_init(void)
+{
+ /* Enable L2 cache */
+ ctrl_outl(L2_CACHE_ENABLE, RAMCR);
+}
+
enum {
UNUSED=0,