This is required for the current Linux kernel to reboot. It should also probably be fixed in Linux.
Signed-off-by: Cédric Le Goater clg@kaod.org --- arch/arm/include/asm/arch-aspeed/wdt.h | 9 +++++++++ drivers/watchdog/ast_wdt.c | 1 + 2 files changed, 10 insertions(+)
diff --git a/arch/arm/include/asm/arch-aspeed/wdt.h b/arch/arm/include/asm/arch-aspeed/wdt.h index 8d6f292c8495..fb04d41d3cbf 100644 --- a/arch/arm/include/asm/arch-aspeed/wdt.h +++ b/arch/arm/include/asm/arch-aspeed/wdt.h @@ -57,6 +57,15 @@ #define WDT_RESET_SPI (1 << 24) #define WDT_RESET_MISC (1 << 25)
+#define WDT_RESET_DEFAULT \ + (WDT_RESET_ARM | WDT_RESET_COPROC | WDT_RESET_I2C | \ + WDT_RESET_MAC1 | WDT_RESET_MAC2 | WDT_RESET_GCRT | \ + WDT_RESET_USB20 | WDT_RESET_USB11_HOST | WDT_RESET_USB11_EHCI2 | \ + WDT_RESET_VIDEO | WDT_RESET_HAC | WDT_RESET_LPC | \ + WDT_RESET_SDSDIO | WDT_RESET_MIC | WDT_RESET_CRT2C | \ + WDT_RESET_PWM | WDT_RESET_PECI | WDT_RESET_JTAG | \ + WDT_RESET_ADC | WDT_RESET_GPIO | WDT_RESET_MISC) + #ifndef __ASSEMBLY__ struct ast_wdt { u32 counter_status; diff --git a/drivers/watchdog/ast_wdt.c b/drivers/watchdog/ast_wdt.c index 477605e7222d..59afa21efa4b 100644 --- a/drivers/watchdog/ast_wdt.c +++ b/drivers/watchdog/ast_wdt.c @@ -50,6 +50,7 @@ static int ast_wdt_stop(struct udevice *dev)
clrbits_le32(&priv->regs->ctrl, WDT_CTRL_EN);
+ writel(WDT_RESET_DEFAULT, &priv->regs->reset_mask); return 0; }