X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Farm%2Fmach-omap2%2Fomap4-common.c;h=b3cea78b5f09f85c079c7850f276590a2125047f;hp=923f9f5f91ce96fc2588f41503b53795e6cdea21;hb=11e0264046e00544eb044fafc27125babd105e41;hpb=e9f29c9a56ca06d0effa557823a737cbe7ec09f7

diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 923f9f5f91ce..b3cea78b5f09 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -44,8 +44,17 @@ 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)
 {
+	u32 aux_ctrl = 0;
+
 	/*
 	 * To avoid code running on other OMAPs in
 	 * multi-omap builds
@@ -57,18 +66,36 @@ static int __init omap_l2_cache_init(void)
 	l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K);
 	BUG_ON(!l2cache_base);
 
-	/* Enable PL310 L2 Cache controller */
-	omap_smc1(0x102, 0x1);
-
 	/*
 	 * 16-way associativity, parity disabled
 	 * Way size - 32KB (es1.0)
 	 * Way size - 64KB (es2.0 +)
 	 */
-	if (omap_rev() == OMAP4430_REV_ES1_0)
-		l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff);
-	else
-		l2x0_init(l2cache_base, 0x0e070000, 0xc0000fff);
+	aux_ctrl = ((1 << L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT) |
+			(0x1 << 25) |
+			(0x1 << L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT) |
+			(0x1 << L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT));
+
+	if (omap_rev() == OMAP4430_REV_ES1_0) {
+		aux_ctrl |= 0x2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT;
+	} else {
+		aux_ctrl |= ((0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT) |
+			(1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) |
+			(1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT));
+	}
+	if (omap_rev() != OMAP4430_REV_ES1_0)
+		omap_smc1(0x109, aux_ctrl);
+
+	/* Enable PL310 L2 Cache controller */
+	omap_smc1(0x102, 0x1);
+
+	l2x0_init(l2cache_base, aux_ctrl, L2X0_AUX_CTRL_MASK);
+
+	/*
+	 * Override default outer_cache.disable with a OMAP4
+	 * specific one
+	*/
+	outer_cache.disable = omap4_l2x0_disable;
 
 	return 0;
 }