From: Magnus Damm <damm@opensource.se>
Date: Thu, 1 Mar 2012 03:48:03 +0000 (+0900)
Subject: ARM: mach-shmobile: r8a7779 L2 cache support
X-Git-Tag: v3.4-rc1~89^2~2^2~12
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8bac13f591652d0c561f5788eaf0862f788a668f;p=karo-tx-linux.git

ARM: mach-shmobile: r8a7779 L2 cache support

L2 Cache support for r8a7779. Settings taken from
out-of-tree kernel patches by Kouei Abe.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---

diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index 4378b4dea1dc..9bb133c2a932 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -34,6 +34,7 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
+#include <asm/hardware/cache-l2x0.h>
 
 static struct map_desc r8a7779_io_desc[] __initdata = {
 	/* 2M entity map for 0xf0000000 (MPCORE) */
@@ -242,6 +243,10 @@ static struct platform_device *r8a7779_late_devices[] __initdata = {
 
 void __init r8a7779_add_standard_devices(void)
 {
+#ifdef CONFIG_CACHE_L2X0
+	/* Early BRESP enable, Shared attribute override enable, 64K*16way */
+	l2x0_init(__io(0xf0100000), 0x40470000, 0x82000fff);
+#endif
 	r8a7779_pm_init();
 
 	r8a7779_init_pm_domain(&r8a7779_sh4a);