sh: sh7724: L2 cache initialization.

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
git-mirror · Jun 2, 2009 · b4bd9eb · b4bd9eb
1 parent fab88d9
commit b4bd9eb
Showing 1 changed file with 9 additions and 0 deletions.
diff --git 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,