Commit 68dcbdd594d4 ("ARM: imx: Add weak default reset_cpu()") caused the 'reset' command in U-Boot to not cause a board reset.
Fix it by switching to the watchdog driver model via sysreset, which is the preferred method for implementing the watchdog reset.
Signed-off-by: Sébastien Szymanski sebastien.szymanski@armadeus.com --- arch/arm/dts/imx6ul-opos6ul-u-boot.dtsi | 10 ++++++++++ configs/opos6uldev_defconfig | 3 +++ 2 files changed, 13 insertions(+)
diff --git a/arch/arm/dts/imx6ul-opos6ul-u-boot.dtsi b/arch/arm/dts/imx6ul-opos6ul-u-boot.dtsi index ebfb95dcdf4b..e65eeb8d8ceb 100644 --- a/arch/arm/dts/imx6ul-opos6ul-u-boot.dtsi +++ b/arch/arm/dts/imx6ul-opos6ul-u-boot.dtsi @@ -9,6 +9,12 @@ soc { bootph-pre-ram; }; + + wdt-reboot { + compatible = "wdt-reboot"; + wdt = <&wdog1>; + bootph-pre-ram; + }; };
&aips2 { @@ -26,3 +32,7 @@ &usdhc1 { bootph-pre-ram; }; + +&wdog1 { + bootph-pre-ram; +}; diff --git a/configs/opos6uldev_defconfig b/configs/opos6uldev_defconfig index ac4170d2e49a..e1884df9dd23 100644 --- a/configs/opos6uldev_defconfig +++ b/configs/opos6uldev_defconfig @@ -102,6 +102,8 @@ CONFIG_DM_REGULATOR_FIXED=y CONFIG_DM_REGULATOR_GPIO=y CONFIG_DM_SERIAL=y CONFIG_MXC_UART=y +CONFIG_SYSRESET=y +CONFIG_SYSRESET_WATCHDOG=y CONFIG_IMX_THERMAL=y CONFIG_USB=y CONFIG_USB_STORAGE=y @@ -123,4 +125,5 @@ CONFIG_SPLASH_SOURCE=y CONFIG_BMP_16BPP=y CONFIG_BMP_24BPP=y CONFIG_BMP_32BPP=y +CONFIG_IMX_WATCHDOG=y # CONFIG_EFI_LOADER is not set