From: Fabio Estevam festevam@denx.de
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: Fabio Estevam festevam@denx.de --- arch/arm/dts/imx7d-smegw01-u-boot.dtsi | 13 +++++++++++++ configs/smegw01_defconfig | 3 +++ 2 files changed, 16 insertions(+) create mode 100644 arch/arm/dts/imx7d-smegw01-u-boot.dtsi
diff --git a/arch/arm/dts/imx7d-smegw01-u-boot.dtsi b/arch/arm/dts/imx7d-smegw01-u-boot.dtsi new file mode 100644 index 000000000000..cf7ba3a95817 --- /dev/null +++ b/arch/arm/dts/imx7d-smegw01-u-boot.dtsi @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +/ { + wdt-reboot { + compatible = "wdt-reboot"; + wdt = <&wdog1>; + bootph-pre-ram; + }; +}; + +&wdog1 { + bootph-pre-ram; +}; diff --git a/configs/smegw01_defconfig b/configs/smegw01_defconfig index 7f1b2bee8e16..a3d289eeca1a 100644 --- a/configs/smegw01_defconfig +++ b/configs/smegw01_defconfig @@ -80,5 +80,8 @@ CONFIG_DM_REGULATOR_GPIO=y CONFIG_SPECIFY_CONSOLE_INDEX=y CONFIG_DM_SERIAL=y CONFIG_MXC_UART=y +CONFIG_SYSRESET=y +CONFIG_SYSRESET_WATCHDOG=y CONFIG_IMX_THERMAL=y +CONFIG_IMX_WATCHDOG=y # CONFIG_CMD_BOOTEFI_BOOTMGR is not set