From: Jacky Bai Date: Thu, 19 Sep 2024 04:01:28 +0000 (+0800) Subject: imx9: soc: Mask the wdog reset in src by default on i.mx9 X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/%7B%7B%20%24.Site.BaseURL%20%7D%7Dposts/index.xml?a=commitdiff_plain;h=ab7566d78b6bb6a0c4ba49c8bd866f7b98abb309;p=u-boot.git imx9: soc: Mask the wdog reset in src by default on i.mx9 Normally, the wdog will be used for trigger external PMIC reset through the WDOG_ANY pin. If the PMIC chip has debounce logic for the reset signal, in some corner case the wdog can NOT trigger external PMIC reset if the SoC has been reset internal before the PMIC captures the WDOG_ANY pin reset, so need to keep the WDOG3-5 reset masked in the SRC to let the PMIC to do the reset safely. Reviewed-by: Ye Li Signed-off-by: Jacky Bai Signed-off-by: Peng Fan --- diff --git a/arch/arm/mach-imx/imx9/soc.c b/arch/arm/mach-imx/imx9/soc.c index 44e2166509..0d909c3e85 100644 --- a/arch/arm/mach-imx/imx9/soc.c +++ b/arch/arm/mach-imx/imx9/soc.c @@ -240,15 +240,9 @@ static void disable_wdog(void __iomem *wdog_base) void init_wdog(void) { - u32 src_val; - disable_wdog((void __iomem *)WDG3_BASE_ADDR); disable_wdog((void __iomem *)WDG4_BASE_ADDR); disable_wdog((void __iomem *)WDG5_BASE_ADDR); - - src_val = readl(0x54460018); /* reset mask */ - src_val &= ~0x1c; - writel(src_val, 0x54460018); } static struct mm_region imx93_mem_map[] = {