Re: Pandaboard ES

[Nick Hudson <nick.hudson%gmx.co.uk@localhost>]

On 14/05/2023 14:31, Rui-Xiang Guo wrote:
> On Tue, May 09, 2023 at 10:44:35AM -0400, Lwazi Dube wrote:
> > 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
>
> Hi,
> Thanks for your information. Looks like Pandaboard has the TrustZone issue.
> Additional spare time is required to delve into it.

Pandaboard support is now in nbcvs.

https://mail-index.netbsd.org/source-changes/2025/12/16/msg159556.html

Please send-pr if there are any issues.