summaryrefslogtreecommitdiff
path: root/arch/arm/mach-sunxi/sunxi.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-sunxi/sunxi.c')
-rw-r--r--arch/arm/mach-sunxi/sunxi.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c
index 1dc8a92e5a5f..23afb732cb40 100644
--- a/arch/arm/mach-sunxi/sunxi.c
+++ b/arch/arm/mach-sunxi/sunxi.c
@@ -21,15 +21,16 @@
#include <linux/irqchip/sunxi.h>
-#include <asm/hardware/vic.h>
-
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "sunxi.h"
#define WATCHDOG_CTRL_REG 0x00
+#define WATCHDOG_CTRL_RESTART (1 << 0)
#define WATCHDOG_MODE_REG 0x04
+#define WATCHDOG_MODE_ENABLE (1 << 0)
+#define WATCHDOG_MODE_RESET_ENABLE (1 << 1)
static void __iomem *wdt_base;
@@ -50,11 +51,19 @@ static void sunxi_restart(char mode, const char *cmd)
return;
/* Enable timer and set reset bit in the watchdog */
- writel(3, wdt_base + WATCHDOG_MODE_REG);
- writel(0xa57 << 1 | 1, wdt_base + WATCHDOG_CTRL_REG);
- while(1) {
+ writel(WATCHDOG_MODE_ENABLE | WATCHDOG_MODE_RESET_ENABLE,
+ wdt_base + WATCHDOG_MODE_REG);
+
+ /*
+ * Restart the watchdog. The default (and lowest) interval
+ * value for the watchdog is 0.5s.
+ */
+ writel(WATCHDOG_CTRL_RESTART, wdt_base + WATCHDOG_CTRL_REG);
+
+ while (1) {
mdelay(5);
- writel(3, wdt_base + WATCHDOG_MODE_REG);
+ writel(WATCHDOG_MODE_ENABLE | WATCHDOG_MODE_RESET_ENABLE,
+ wdt_base + WATCHDOG_MODE_REG);
}
}
@@ -91,6 +100,6 @@ DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)")
.init_irq = sunxi_init_irq,
.handle_irq = sunxi_handle_irq,
.restart = sunxi_restart,
- .timer = &sunxi_timer,
+ .init_time = &sunxi_timer_init,
.dt_compat = sunxi_board_dt_compat,
MACHINE_END