Re: Pandaboard ES

[Lwazi Dube <lwazeh%gmail.com@localhost>]

On Tue, 9 May 2023 at 09:57, Rui-Xiang Guo <rxg%lavabit.com@localhost> wrote:
>
> On Mon, May 01, 2023 at 07:31:07AM -0300, Jared McNeill wrote:
> > The PANDABOARD kernel relies on firmware to program the base address of the
> > GIC and local timers correctly in the CBAR cp15 register. Likely the reason
> > that the GIC driver did not discover any valid sources:
> >
> > > [   1.0000000] armgic0 at armperiph0: Generic Interrupt Controller, 32 sources (0 valid)
> > > [   1.0000000] armgic0: 1 Priorities, 0 SPIs, 0 PPIs, 0 SGIs
> >
> > With 0 valid sources, the A9 timer interrupt (and all others!) will not be
> > available.
>
> I found it also missed armscu_attach. When I tried to enable it by adding
> MULTIPROCESSOR to conf/PANDABOARD, the new kernel just hang on very early
> boot process.
> [   1.0000000] uboot arg = 0xbdf44f98, 0, 0xbffaad5e, 0xbdf46b08
> [   1.0000000] initarm: cbar=0x48240000
> [   1.0000000] [ Kernel symbol table missing! ]
>
> Any ideas?
>
> -rxg
>

rxg,

Every time I used NetBSD on the Pandaboard ES, I had to fix something
first. I made the following changes for an older version. Maybe they
will be useful to you.
https://mail-index.netbsd.org/port-arm/2019/01/12/msg005385.html
https://mail-index.netbsd.org/port-arm/2019/01/13/msg005387.html

-Lwazi