[PATCH v2 09/13] arm: imx9: Skip WDG3/WDG4 disable on i.MX952

alice.guo at oss.nxp.com alice.guo at oss.nxp.com
Sat Feb 28 01:22:27 CET 2026


From: Alice Guo <alice.guo at nxp.com>

The i.MX952 uses PSCI for system reset (sysreset_psci) rather than
watchdog-based reset, therefore watchdog configuration is unnecessary.

Signed-off-by: Alice Guo <alice.guo at nxp.com>
---
 arch/arm/mach-imx/imx9/scmi/soc.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-imx/imx9/scmi/soc.c b/arch/arm/mach-imx/imx9/scmi/soc.c
index 538190e23b7..67898012618 100644
--- a/arch/arm/mach-imx/imx9/scmi/soc.c
+++ b/arch/arm/mach-imx/imx9/scmi/soc.c
@@ -786,8 +786,10 @@ static void gpio_reset(ulong gpio_base)
 int arch_cpu_init(void)
 {
 	if (IS_ENABLED(CONFIG_SPL_BUILD)) {
-		disable_wdog((void __iomem *)WDG3_BASE_ADDR);
-		disable_wdog((void __iomem *)WDG4_BASE_ADDR);
+		if (!IS_ENABLED(CONFIG_IMX952)) {
+			disable_wdog((void __iomem *)WDG3_BASE_ADDR);
+			disable_wdog((void __iomem *)WDG4_BASE_ADDR);
+		}
 
 		gpio_reset(GPIO2_BASE_ADDR);
 		gpio_reset(GPIO3_BASE_ADDR);

-- 
2.43.0



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