On Thu, Jun 06, 2019 at 05:08:45PM +0930, Joel Stanley wrote:
> The driver was using milliseconds and programming it into a register
> which takes ticks of the watchdog clock, which runs at 1MHz. This meant
> we were off by 1000 with the desired value.
>
> When 06985289d452 ("watchdog: Implement generic watchdog_reset()
> version") was added the aspeed board would leave the watchdog running,
> causing it to bite before u-boot was done.
>
> Discovered by booting in qemu:
>
> $ qemu-system-arm -M ast2500-evb -drive file=test.img,format=raw,if=mtd
> -nographic -no-reboot -d cpu_reset
>
> U-Boot 2019.07-rc3-00091-g2253e40caef5 (Jun 06 2019 - 16:53:23 +0930)
>
> Model: Aspeed BMC
> DRAM: 496 MiB
> WDT: Started with servicing (60s timeout)
> MMC:
> In: serial@1e784000
> Out: serial@1e784000
> Err: serial@1e784000
> Watchdog timer expired.
>
> Fixes: 06985289d452 ("watchdog: Implement generic watchdog_reset() version")
> Signed-off-by: Joel Stanley <j...@jms.id.au>Applied to u-boot/master, thanks! -- Tom
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