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authorKuninori Morimoto <morimoto.kuninori@renesas.com>2009-06-02 02:49:28 +0000
committerPaul Mundt <lethal@linux-sh.org>2009-06-02 12:12:59 +0900
commit138f025267dcc07d5e7d0bb1f20e9a6b5f2fdcf7 (patch)
tree197c46d9d22635e2208c9050de63bc788ec74042 /arch/sh/kernel
parentb4bd9eb0d8f5c20f942ff037c8a7939f69cb188a (diff)
sh: sh7723: L2 cache initialization.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel')
-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 04cb4aae7ea..d8f4a13aeff 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,