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([2804:14c:485:4b61:51f5:9fec:478b:c998]) by smtp.gmail.com with ESMTPSA id t17-20020a170902d29100b001db5ecb2899sm8395463plc.162.2024.02.21.09.39.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Feb 2024 09:39:54 -0800 (PST) From: Fabio Estevam To: sbabic@denx.de Cc: jason.hui.liu@nxp.com, u-boot@lists.denx.de, Fabio Estevam Subject: [PATCH] imx53-qsb: Convert to watchdog driver model Date: Wed, 21 Feb 2024 14:39:30 -0300 Message-Id: <20240221173930.868473-1-festevam@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean 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 --- arch/arm/dts/imx53-qsb-u-boot.dtsi | 14 ++++++++++++++ configs/mx53loco_defconfig | 3 +++ 2 files changed, 17 insertions(+) create mode 100644 arch/arm/dts/imx53-qsb-u-boot.dtsi diff --git a/arch/arm/dts/imx53-qsb-u-boot.dtsi b/arch/arm/dts/imx53-qsb-u-boot.dtsi new file mode 100644 index 000000000000..593ab7caa635 --- /dev/null +++ b/arch/arm/dts/imx53-qsb-u-boot.dtsi @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0+ + +/ { + wdt-reboot { + compatible = "wdt-reboot"; + wdt = <&wdog1>; + bootph-pre-ram; + }; +}; + +&wdog1 { + bootph-pre-ram; +}; + diff --git a/configs/mx53loco_defconfig b/configs/mx53loco_defconfig index d4de8df7b49d..e2d3bc0b094e 100644 --- a/configs/mx53loco_defconfig +++ b/configs/mx53loco_defconfig @@ -60,6 +60,8 @@ CONFIG_POWER_FSL=y CONFIG_POWER_I2C=y CONFIG_DM_SERIAL=y CONFIG_MXC_UART=y +CONFIG_SYSRESET=y +CONFIG_SYSRESET_WATCHDOG=y CONFIG_USB=y CONFIG_USB_EHCI_MX5=y CONFIG_USB_STORAGE=y @@ -67,3 +69,4 @@ CONFIG_USB_HOST_ETHER=y CONFIG_USB_ETHER_ASIX=y CONFIG_USB_ETHER_MCS7830=y CONFIG_USB_ETHER_SMSC95XX=y +CONFIG_IMX_WATCHDOG=y