diff options
Diffstat (limited to 'arch/arm/mach-versatile/core.c')
| -rw-r--r-- | arch/arm/mach-versatile/core.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index e340a54251df..02b7b9303f3b 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) { |