[ARM] 5130/4: Support for the at91sam9g20
Support for the at91sam9g20 : Atmel 400Mhz ARM 926ej-s SOC.
AT91sam9g20 is an evolution of the at91sam9260 with a faster clock
speed.
We created a new board for this device but based the chip support
directly on 9260 files with little updates.
Here is the chip page on Atmel wabsite:
http://atmel.com/dyn/products/product_card.asp?part_id=4337
Signed-off-by: Sedji Gaouaou <sedji.gaouaou@atmel.com>
Signed-off-by: Justin Waters <justin.waters@timesys.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index ee26550..380f12a 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -47,6 +47,20 @@
}
};
+static struct map_desc at91sam9g20_sram_desc[] __initdata = {
+ {
+ .virtual = AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE,
+ .pfn = __phys_to_pfn(AT91SAM9G20_SRAM0_BASE),
+ .length = AT91SAM9G20_SRAM0_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE - AT91SAM9G20_SRAM1_SIZE,
+ .pfn = __phys_to_pfn(AT91SAM9G20_SRAM1_BASE),
+ .length = AT91SAM9G20_SRAM1_SIZE,
+ .type = MT_DEVICE,
+ }
+};
+
static struct map_desc at91sam9xe_sram_desc[] __initdata = {
{
.pfn = __phys_to_pfn(AT91SAM9XE_SRAM_BASE),
@@ -307,6 +321,8 @@
if (cpu_is_at91sam9xe())
at91sam9xe_initialize();
+ else if (cpu_is_at91sam9g20())
+ iotable_init(at91sam9g20_sram_desc, ARRAY_SIZE(at91sam9g20_sram_desc));
else
iotable_init(at91sam9260_sram_desc, ARRAY_SIZE(at91sam9260_sram_desc));