[OpenWrt-Devel] [lantiq] help in supporting FRITZ!BOX 3272 (Fritz_Box_HW198))

[Robert Marko]

On Thu, 29 Aug 2019 at 02:35, Enrico Mioso <mrkiko.rs at gmail.com> wrote:

> Dear Bjorn,
> Thank you very very much! You've been always helpful tome... :)
>
> thank you for pointing me at your work - it has been very useful. I was
> using as references sources from the TP-Link Archer D2.
>
> thanks to your hints and work, I arrived to some of the conclusions you
> did. Your device was booting, instead in my case I am not able to get it
> past the PMU issue.
> And even ignoring this error I end up having issues with the GPTU.
>
> I guess the FRITZ!BOX3272 is maybe of another family of devices. don't
> know, running out of ideas.
> Any hint of what I might try next?
> I didn't find GPL code for this device from AVM - but maybe it's just me.
> Any help would be really apreciated.
>
This should be it:
https://osp.avm.de/fritzbox/fritzbox-3272/source-files-FRITZ.Box_3272-06.20.tar.gz

>
> BTW - PMU activation fails in sysctrl.c, in function
> static int pmu_enable(struct clk *clk) ...
>
> Enrico
>
> On Wed, 28 Aug 2019, Bjørn Mork wrote:
>
> > Date: Wed, 28 Aug 2019 18:52:38
> > From: Bjørn Mork <bjorn at mork.no>
> > To: Enrico Mioso <mrkiko.rs at gmail.com>
> > Cc: Martin Blumenstingl <martin.blumenstingl at googlemail.com>,
> >     Hauke Mehrtens <hauke at hauke-m.de>, openwrt-devel at lists.openwrt.org
> > Subject: Re: [OpenWrt-Devel] [lantiq] help in supporting FRITZ!BOX 3272
> >     (Fritz_Box_HW198))
> >
> > Enrico Mioso <mrkiko.rs at gmail.com> writes:
> >
> >> I am still trying to port a FRITZ!BOX3272 device to OpenWRt.
> >> I tried to grab as much informations as I could, but I am arriving to
> the conclusion I hould be doing something really wrong.
> >>
> >> First of all, the kernel panics due to a data abort at
> >> linux-4.19.66/arch/mips/lantiq/xway/sysctrl.c, line 478
> >> /* make sure to unprotect the memory region where flash is located */
> >> ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_BUSCON0) & ~EBU_WRDIS, LTQ_EBU_BUSCON0);
> > ..
> >> [SYSTEM:] AR10 on 500MHz/250MHz/250MHz
> >>
> >> ..
> >> Eva_AVM >
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> ......................................................................................[
>   0.000000] Linux version 4.19.66 (mrkiko at mStation) (gcc version 7.4.0
> (OpenWrt GCC 7.4.0 r10863-e1dcfe02b2)) #0 SMP Mon Aug 26 16:21:13 2019
> >> [    0.000000] SoC: xRX300 rev 1.2
> >
> >
> > Right, so this is AR10/xRX300. Been there, trying to get a D-Link
> > DWR-956 running, and gave up without getting the T-Shirt ;-)
> >
> > I believe the problem you are hitting right now is caused by wrong
> > address for the EBU.  It is not at 0x1E105300 like for the VR9 etc, but
> > at 0x16000000 on the AR10.
> >
> > So change this:
> >
> >               ebu0: ebu at e105300 {
> >                       compatible = "lantiq,ebu-xway";
> >                       reg = <0xe105300 0x100>;
> >               };
> >
> > into
> >
> >               ebu0: ebu at 6000000 {
> >                       compatible = "lantiq,ebu-xway";
> >                       reg = <0x6000000 0x100>;
> >               };
> >
> >
> > I was stuck the same place for quite some time....
> >
> > I pushed my abandoned DWR-956 branch here now:
> > https://github.com/bmork/OpenWrt/tree/dwr-956-wip
> > in case it is of any use to you.
> >
> > Note that this branch is a terrible mess of Work-in-Progress, meant for
> > my eyes only.  And even I can't make much sense out of it anymore.  So
> > you might be better off just ignoring it.  Your call.
> >
> >
> >
> >
> > Bjørn
> >_______________________________________________
> openwrt-devel mailing list
> openwrt-devel at lists.openwrt.org
> https://lists.openwrt.org/mailman/listinfo/openwrt-devel
>
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