From: Michael Opdenacker <michael.opdenacker@bootlin.com>
To: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Cc: "u-boot@lists.denx.de" <u-boot@lists.denx.de>
Subject: Re: ARM: mach-at91: how to stop U-Boot/SPL from disabling the watchdog timer on SAMAD3 Xplained
Date: Fri, 10 Dec 2021 09:32:25 +0100 [thread overview]
Message-ID: <a966dcab-194b-bd95-00a4-8c8a3ef81b44@bootlin.com> (raw)
In-Reply-To: <20211209164303.vp4sxxxpyc7emao7@fedora>
Hi Quentin,
On 12/9/21 5:43 PM, Quentin Schulz wrote:
> From a quick look at the code, you need to enable CONFIG_WDT_AT91 and
> the watchdog won't be disabled anymore by the SPL.
>
> See:
> https://elixir.bootlin.com/u-boot/latest/source/arch/arm/mach-at91/spl_atmel.c#L121
> and
> https://elixir.bootlin.com/u-boot/latest/source/arch/arm/mach-at91/spl.c#L16
Good catch, thanks!
Indeed setting CONFIG_WDT_AT91=y did the trick.
I didn't consider enabling the watchdog driver to avoid disabling the
watchdog timer!
Thanks again,
Michael.
--
Michael Opdenacker, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
prev parent reply other threads:[~2021-12-10 8:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-09 16:32 ARM: mach-at91: how to stop U-Boot/SPL from disabling the watchdog timer on SAMAD3 Xplained Michael Opdenacker
2021-12-09 16:43 ` Quentin Schulz
2021-12-10 8:32 ` Michael Opdenacker [this message]
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