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wdt: nuvoton: Fix reset/expire function error

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Fix npcm845 watchdog halt for reset function and expire function.
Reset function is restart wdt.

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Jim Liu 2023-10-18 10:09:00 +08:00 • committed by Stefan Roese
parent bc003cad7f
commit 127d03893b
1 changed files with 8 additions and 2 deletions
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10
drivers/watchdog/npcm_wdt.c
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@ -69,15 +69,21 @@ static int npcm_wdt_stop(struct udevice *dev)
static int npcm_wdt_reset(struct udevice *dev) static int npcm_wdt_reset(struct udevice *dev)
{ {
struct npcm_wdt_priv *priv = dev_get_priv(dev); struct npcm_wdt_priv *priv = dev_get_priv(dev);
u32 val;
writel(NPCM_WTR | NPCM_WTRE | NPCM_WTE, priv->regs); val = readl(priv->regs);
writel(val | NPCM_WTR, priv->regs);
return 0; return 0;
} }
static int npcm_wdt_expire_now(struct udevice *dev, ulong flags) static int npcm_wdt_expire_now(struct udevice *dev, ulong flags)
{ {
return npcm_wdt_reset(dev); struct npcm_wdt_priv *priv = dev_get_priv(dev);
writel(NPCM_WTR | NPCM_WTRE | NPCM_WTE, priv->regs);
return 0;
} }
static int npcm_wdt_of_to_plat(struct udevice *dev) static int npcm_wdt_of_to_plat(struct udevice *dev)