[U-Boot] [linux-sunxi] [PATCH] Revert "sunxi: board: Print error after power initialization fails"
Priit Laes
plaes at plaes.org
Tue Dec 18 21:09:53 UTC 2018
On Tue, Dec 18, 2018 at 09:17:27PM +0100, Michael Nazzareno Trimarchi wrote:
> Hi Karl
>
> On Tue, Dec 18, 2018 at 7:12 PM Karl Palsson <karlp at tweak.net.au> wrote:
> >
> >
> > Jagan Teki <jagan at amarulasolutions.com> wrote:
> > > It's 4 days before, "U-Boot] sunxi: regression in dram init for
> > > h3 board"
> > >
> > > 7 days is not 4-days :)
> >
> > True, it was last week, not a week ago.
> >
> > > I would expect some debugging on this during these days and
> > > find the real root cause.
> >
> > Just so there's no unmet expectations here, I'm not doing any
> > _debugging_ of this. (Nor do I have any planned) Given that this
> > is a regression in working devices, I would _presume_ (quite
> > likely wrongly) that the honus of debugging this would be on the
> > people who suggested this patch, not people affected by it. I'm
> > happy to test things, but I have zero experience with dram init,
> > (only marginally greater than zero experience with uboot overall)
> > and no sane methods for debugging this further, nor enough
> > devices to give any test confidence that any debugging I could do
> > would be useful.
> >
>
> Do you have error after relocation or before relocation? Does it go
> outside and print DRAM size?
When I tested, I replaced hang there with reboot and got following
outputs after multiple FEL uboot uploads commands:
[snip]
U-Boot SPL 2019.01-rc1-00341-gb2f6eec007-dirty (Dec 18 2018 - 09:31:01 +0200)
DRAM: 0 MiB
resetting ...
U-Boot SPL 2019.01-rc1-00341-gb2f6eec007-dirty (Dec 18 2018 - 09:31:01 +0200)
DRAM: 2048 MiB
Trying to boot from FEL
U-Boot SPL 2019.01-rc1-00341-gb2f6eec007-dirty (Dec 18 2018 - 09:31:01 +0200)
DRAM: 1024 MiB
Trying to boot from FEL
[/snip]
>
> Michael
>
> > Sincerely,
> > Karl P_______________________________________________
> > U-Boot mailing list
> > U-Boot at lists.denx.de
> > https://lists.denx.de/listinfo/u-boot
>
>
>
> --
> | Michael Nazzareno Trimarchi Amarula Solutions BV |
> | COO - Founder Cruquiuskade 47 |
> | +31(0)851119172 Amsterdam 1018 AM NL |
> | [`as] http://www.amarulasolutions.com |
>
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