[U-Boot] [PATCH v3 3/3] arm: sunxi: h6: fix reset using r_wdog

[Jagan Teki]

On Fri, Apr 19, 2019 at 1:23 PM Clément Péron <peron.clem at gmail.com> wrote:
>
> Hi,
>
> +Chen-Yu Tsai for test and +Icenowy because she try to contact AW
> about this issue.
>
> On Wed, 17 Apr 2019 at 19:41, Clément Péron <peron.clem at gmail.com> wrote:
> >
> > WDOG is broken for some H6 rev. The board is not
> > reseted correctly.
> >
> > Use the R_WDOG instead.
>
> The issue is real except on Pine H64 and Rongpin RP-H6B which seems to
> be NOT affected.
> Lot of users on OrangePi boards (Lite2 / One Plus and 3) are
> complaining about this issue.
>
> We perform a simple watchdog test on different board :
>
> Chen-Yu Tsai :
> Pine h64 = H6 V200-AWIN H6448BA 7782 => OK
> OrangePi Lite 2 = H6 V200-AWIN H8068BA 61C2 => KO
>
> Martin Ayotte :
> PineH64 = H8069BA 6892 => OK
> Orange Pi 3 = HA047BA 69W2 => KO
> OPiOnePlus = H7310BA 6842 => KO
> OPiLite2 = H6448BA 6662 => KO
>
> Clément Péron:
> Beelink GS1 = H6 V200-AWIN H7309BA 6842 => KO
>
> After the series of result, Icenowy try to reach Allwinner about this
> issue but they seems not interested to investigate it.
>
> I'm not sure if it's an HW errata or if there something misconfigured
> but the result is here WDOG doesn't make these boards reboot.
> And this should not happens !

How about Linux? same issue.