diff options
Diffstat (limited to 'drivers/watchdog/ulp_wdog.c')
| -rw-r--r-- | drivers/watchdog/ulp_wdog.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/watchdog/ulp_wdog.c b/drivers/watchdog/ulp_wdog.c index 4427da6e5f..940ce25c20 100644 --- a/drivers/watchdog/ulp_wdog.c +++ b/drivers/watchdog/ulp_wdog.c @@ -36,6 +36,7 @@ struct wdog_regs { #define WDGCS_RCS BIT(10) #define WDGCS_ULK BIT(11) +#define WDOG_CS_PRES BIT(12) #define WDGCS_CMD32EN BIT(13) #define WDGCS_FLG BIT(14) @@ -89,7 +90,11 @@ void hw_watchdog_init(void) writel(0, &wdog->win); /* setting 1-kHz clock source, enable counter running, and clear interrupt */ +#if defined(CONFIG_ARCH_IMX9) + writel((cmd32 | WDGCS_WDGE | WDGCS_WDGUPDATE |(WDG_LPO_CLK << 8) | WDGCS_FLG | WDOG_CS_PRES), &wdog->cs); +#else writel((cmd32 | WDGCS_WDGE | WDGCS_WDGUPDATE |(WDG_LPO_CLK << 8) | WDGCS_FLG), &wdog->cs); +#endif /* Wait WDOG reconfiguration */ while (!(readl(&wdog->cs) & WDGCS_RCS)) @@ -117,11 +122,16 @@ void reset_cpu(void) while (!(readl(&wdog->cs) & WDGCS_ULK)) ; - hw_watchdog_set_timeout(5); /* 5ms timeout */ + hw_watchdog_set_timeout(5); /* 5ms timeout for general; 40ms timeout for imx93 */ + writel(0, &wdog->win); /* enable counter running */ +#if defined(CONFIG_ARCH_IMX9) + writel((cmd32 | WDGCS_WDGE | (WDG_LPO_CLK << 8) | WDOG_CS_PRES), &wdog->cs); +#else writel((cmd32| WDGCS_WDGE | (WDG_LPO_CLK << 8)), &wdog->cs); +#endif /* Wait WDOG reconfiguration */ while (!(readl(&wdog->cs) & WDGCS_RCS)) |