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authorKuninori Morimoto <morimoto.kuninori@renesas.com>2009-06-02 02:49:25 +0000
committerPaul Mundt <lethal@linux-sh.org>2009-06-02 12:12:57 +0900
commitb4bd9eb0d8f5c20f942ff037c8a7939f69cb188a (patch)
treea35037457635387e609e01ba2e556ed05745070e /arch/sh
parentfab88d9fe98e9091aafeb9789fbf2e04fdace8ed (diff)
sh: sh7724: 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')
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7724.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index 191f0e2a7e0..000f3b82669 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -495,6 +495,15 @@ void __init plat_early_device_setup(void)
ARRAY_SIZE(sh7724_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,