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Diffstat (limited to 'arch/arm/mach-at91/at91sam9260.c')
-rw-r--r--arch/arm/mach-at91/at91sam9260.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 18d06612ce8..380f12a1220 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -11,6 +11,7 @@
*/
#include <linux/module.h>
+#include <linux/pm.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@@ -18,6 +19,7 @@
#include <asm/arch/at91sam9260.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_shdwc.h>
#include "generic.h"
#include "clock.h"
@@ -45,6 +47,20 @@ static struct map_desc at91sam9260_sram_desc[] __initdata = {
}
};
+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),
@@ -267,6 +283,11 @@ static void at91sam9260_reset(void)
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}
+static void at91sam9260_poweroff(void)
+{
+ at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
+}
+
/* --------------------------------------------------------------------
* AT91SAM9260 processor initialization
@@ -300,10 +321,13 @@ void __init at91sam9260_initialize(unsigned long main_clock)
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));
at91_arch_reset = at91sam9260_reset;
+ pm_power_off = at91sam9260_poweroff;
at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1)
| (1 << AT91SAM9260_ID_IRQ2);