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@gmail.com --- arch/arm/dts/imx6sx-udoo-neo-basic-u-boot.dtsi | 12 ++++++++++++ configs/udoo_neo_defconfig | 3 +++ 2 files changed, 15 insertions(+)

diff --git a/arch/arm/dts/imx6sx-udoo-neo-basic-u-boot.dtsi b/arch/arm/dts/imx6sx-udoo-neo-basic-u-boot.dtsi index b5e1f2b9a16f..7f5a6424bac8 100644 --- a/arch/arm/dts/imx6sx-udoo-neo-basic-u-boot.dtsi +++ b/arch/arm/dts/imx6sx-udoo-neo-basic-u-boot.dtsi @@ -1,5 +1,13 @@ // SPDX-License-Identifier: GPL-2.0+

+/ { + wdt-reboot { + compatible = "wdt-reboot"; + wdt = <&wdog1>; + bootph-pre-ram; + }; +}; + &soc { bootph-all; }; @@ -15,3 +23,7 @@ &uart1 { bootph-all; }; + +&wdog1 { + bootph-pre-ram; +}; diff --git a/configs/udoo_neo_defconfig b/configs/udoo_neo_defconfig index 4986b4c26260..9f9ad0ad5ec7 100644 --- a/configs/udoo_neo_defconfig +++ b/configs/udoo_neo_defconfig @@ -61,5 +61,8 @@ CONFIG_DM_REGULATOR_FIXED=y CONFIG_DM_REGULATOR_ANATOP=y CONFIG_DM_SERIAL=y CONFIG_MXC_UART=y +CONFIG_SYSRESET=y +CONFIG_SYSRESET_WATCHDOG=y CONFIG_IMX_THERMAL=y CONFIG_USB=y +CONFIG_IMX_WATCHDOG=y