On 2024-03-27 14:18, Fabio Estevam wrote:
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
Christian,
Can you test this, please?
Sure.
Before the patch:
U-Boot 2024.04-rc5-00003-g774ec4fda8 (Mar 27 2024 - 16:48:35 +0100)
CPU: Freescale i.MX6Q rev1.3 996 MHz (running at 792 MHz) CPU: Extended Commercial temperature grade (-20C to 105C) at 36C Reset cause: POR Model: SolidRun HummingBoard2 Dual/Quad (1.5som+emmc) Board: MX6 Cubox-i DRAM: 2 GiB Core: 82 devices, 17 uclasses, devicetree: fit MMC: FSL_SDHC: 1, FSL_SDHC: 2 Loading Environment from MMC... *** Warning - bad CRC, using default environment
In: serial Out: serial Err: serial Net: eth0: ethernet@2188000 Hit any key to stop autoboot: 0 => => reset resetting ... => => => reset resetting ... => =>
After the patch:
U-Boot 2024.04-rc5-00003-g3988fdb94c (Mar 27 2024 - 17:00:03 +0100)
CPU: Freescale i.MX6Q rev1.3 996 MHz (running at 792 MHz) CPU: Extended Commercial temperature grade (-20C to 105C) at 36C Reset cause: POR Model: SolidRun HummingBoard2 Dual/Quad (1.5som+emmc) Board: MX6 Cubox-i DRAM: 2 GiB Core: 84 devices, 19 uclasses, devicetree: fit WDT: Started watchdog@20bc000 with servicing every 1000ms (128s timeout) MMC: FSL_SDHC: 1, FSL_SDHC: 2 Loading Environment from MMC... *** Warning - bad CRC, using default environment
In: serial Out: serial Err: serial Net: eth0: ethernet@2188000 Hit any key to stop autoboot: 0 => => => reset resetting ...
U-Boot SPL 2024.04-rc5-00003-g3988fdb94c (Mar 27 2024 - 17:00:03 +0100) WDT: Started watchdog@20bc000 with servicing every 1000ms (128s timeout) ...
Tested-by: Christian Gmeiner cgmeiner@igalia.com
Thanks & Regards, Christian