watchdog: aspeed: restore default value of reset_mask

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>
Reviewed-by: Simon Glass <sjg@chromium.org>

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;

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;
 }