[ARM] 3581/1: AT91RM9200 Internal SRAM

Patch from Andrew Victor

This patch maps the AT91RM9200's internal SRAM into the virtual memory
address space - just below the internal peripheral registers.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/arm/mach-at91rm9200/common.c b/arch/arm/mach-at91rm9200/common.c
index 3848fd2d5596..40d29a73b5c5 100644
--- a/arch/arm/mach-at91rm9200/common.c
+++ b/arch/arm/mach-at91rm9200/common.c
@@ -17,6 +17,7 @@
 #include <asm/mach/map.h>
 
 #include <asm/arch/hardware.h>
+#include "generic.h"
 
 static struct map_desc at91rm9200_io_desc[] __initdata = {
         {
@@ -94,6 +95,11 @@ static struct map_desc at91rm9200_io_desc[] __initdata = {
                 .pfn            = __phys_to_pfn(AT91_BASE_TCB0),
                 .length         = SZ_16K,
                 .type           = MT_DEVICE,
+        }, {
+                .virtual        = AT91_SRAM_VIRT_BASE,
+                .pfn            = __phys_to_pfn(AT91_SRAM_BASE),
+                .length         = AT91_SRAM_SIZE,
+                .type           = MT_DEVICE,
         },
 };