Dear Fabio Estevam,
In message <1443799557-26419-2-git-send-email-feste...@gmail.com> you wrote:
>
> Since commit 623d96e89aca6("imx: wdog: correct wcr register settings")
> issuing a 'reset' command causes the system to hang.
>
> Unlike i.MX and Vybrid, the watchdog controller on LS102x is big-endian.
>
> This means that the watchdog on LS1021 has been working by accident as
> it does not use the big-endian accessors in drivers/watchdog/imx_watchdog.c.
> Commit 623d96e89aca6("imx: wdog: correct wcr register settings") only
> revelead the endianness problem on LS102x.
>
> In order to fix the reset hang, introduce a reset_cpu() implementation that
> is specific for ls102x, which accesses the watchdog WCR register in big-endian
> format. All that is required to reset LS102x is to clear the SRS bit.
>
> Reported-by: Sinan Akman <si...@writeme.com>
> Tested-by: Sinan Akman <si...@writeme.com>
> Signed-off-by: Fabio Estevam <fabio.este...@freescale.com>
> ---
> Changes since v1:
> - Do not add duplicate wdog struct (Wolfgang)
Thanks a lot!
Reviewed-by: Wolfgang Denk <w...@denx.de>
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
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