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-rw-r--r--arch/arm/mach-versatile/core.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index e340a54251d..02b7b9303f3 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -22,7 +22,6 @@
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
-#include <linux/sysdev.h>
#include <linux/interrupt.h>
#include <linux/irqdomain.h>
#include <linux/of_address.h>
@@ -141,11 +140,6 @@ static struct map_desc versatile_io_desc[] __initdata = {
},
#ifdef CONFIG_MACH_VERSATILE_AB
{
- .virtual = IO_ADDRESS(VERSATILE_GPIO0_BASE),
- .pfn = __phys_to_pfn(VERSATILE_GPIO0_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE
- }, {
.virtual = IO_ADDRESS(VERSATILE_IB2_BASE),
.pfn = __phys_to_pfn(VERSATILE_IB2_BASE),
.length = SZ_64M,
@@ -745,6 +739,19 @@ static void versatile_leds_event(led_event_t ledevt)
}
#endif /* CONFIG_LEDS */
+void versatile_restart(char mode, const char *cmd)
+{
+ void __iomem *sys = __io_address(VERSATILE_SYS_BASE);
+ u32 val;
+
+ val = __raw_readl(sys + VERSATILE_SYS_RESETCTL_OFFSET);
+ val |= 0x105;
+
+ __raw_writel(0xa05f, sys + VERSATILE_SYS_LOCK_OFFSET);
+ __raw_writel(val, sys + VERSATILE_SYS_RESETCTL_OFFSET);
+ __raw_writel(0, sys + VERSATILE_SYS_LOCK_OFFSET);
+}
+
/* Early initializations */
void __init versatile_init_early(void)
{