[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>
diff --git a/arch/arm/mach-at91rm9200/common.c b/arch/arm/mach-at91rm9200/common.c
index 3848fd2..40d29a73 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 @@
.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,
},
};