[ARM] 4130/1: Add L220 support to RealView/EB

This patch enables the L220 on the RealView/EB MPCore platform.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
index 68bc6b226ec7..35156ca39df7 100644
--- a/arch/arm/mach-realview/Kconfig
+++ b/arch/arm/mach-realview/Kconfig
@@ -10,6 +10,7 @@ config MACH_REALVIEW_EB
 config REALVIEW_MPCORE
         bool "Support MPcore tile"
         depends on MACH_REALVIEW_EB
+        select CACHE_L2X0
         help
           Enable support for the MPCore tile on the Realview platform.
           Since there are device address and interrupt differences, a
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index effe243454e0..3dba666151db 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -31,6 +31,7 @@
 #include <asm/mach-types.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/icst307.h>
+#include <asm/hardware/cache-l2x0.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -69,6 +70,11 @@ static struct map_desc realview_eb_io_desc[] __initdata = {
                 .pfn            = __phys_to_pfn(REALVIEW_GIC1_DIST_BASE),
                 .length         = SZ_4K,
                 .type           = MT_DEVICE,
+        }, {
+                .virtual        = IO_ADDRESS(REALVIEW_MPCORE_L220_BASE),
+                .pfn            = __phys_to_pfn(REALVIEW_MPCORE_L220_BASE),
+                .length         = SZ_8K,
+                .type           = MT_DEVICE,
         },
 #endif
         {
@@ -170,6 +176,11 @@ static void __init realview_eb_init(void)
 {
         int i;
 
+#ifdef CONFIG_REALVIEW_MPCORE
+        /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
+         * Bits:  .... ...0 0111 1001 0000 .... .... .... */
+        l2x0_init(__io_address(REALVIEW_MPCORE_L220_BASE), 0x00790000, 0xfe000fff);
+#endif
         clk_register(&realview_clcd_clk);
 
         platform_device_register(&realview_flash_device);