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Diffstat (limited to 'arch/arm/mach-omap2/omap4-common.c')
-rw-r--r--arch/arm/mach-omap2/omap4-common.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 13dc9794dcc..2f895553e6a 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -44,6 +44,13 @@ void __init gic_init_irq(void)
}
#ifdef CONFIG_CACHE_L2X0
+
+static void omap4_l2x0_disable(void)
+{
+ /* Disable PL310 L2 Cache controller */
+ omap_smc1(0x102, 0x0);
+}
+
static int __init omap_l2_cache_init(void)
{
/*
@@ -61,10 +68,20 @@ static int __init omap_l2_cache_init(void)
omap_smc1(0x102, 0x1);
/*
- * 32KB way size, 16-way associativity,
- * parity disabled
+ * 16-way associativity, parity disabled
+ * Way size - 32KB (es1.0)
+ * Way size - 64KB (es2.0 +)
*/
- l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff);
+ if (omap_rev() == OMAP4430_REV_ES1_0)
+ l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff);
+ else
+ l2x0_init(l2cache_base, 0x0e070000, 0xc0000fff);
+
+ /*
+ * Override default outer_cache.disable with a OMAP4
+ * specific one
+ */
+ outer_cache.disable = omap4_l2x0_disable;
return 0;
}