reset / watchdog on an imx7d soc

Fabio Estevam festevam at gmail.com
Tue Jun 23 09:53:01 EDT 2020


Hi Giorgio,

On Tue, Jun 23, 2020 at 10:48 AM Giorgio Dal Molin
<giorgio.nicole at arcor.de> wrote:

> Can anyone confirm that the current barebox is able to restart an imx7 soc without
> using external signals ?

You really need to use the WDOG_B pin to trigger the reset due to an
i.MX7 erratum.

Please check the i.MX7 errata document:
https://www.nxp.com/docs/en/errata/IMX7DS_3N09P.pdf

Search for "e10574 Watchdog: A watchdog timeout or software trigger
will not reset the SOC"



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