[PATCH v3 3/3] board: toradex: add verdin am62 support

Tom Rini trini at konsulko.com
Tue Jul 25 01:23:03 CEST 2023


On Mon, Jul 24, 2023 at 08:34:04PM +0000, Marcel Ziswiler wrote:
> Hi Nishanth
> 
> On Fri, 2023-07-21 at 08:37 -0500, Nishanth Menon wrote:
> > On 09:40-20230715, Marcel Ziswiler wrote:
> > > From: Marcel Ziswiler <marcel.ziswiler at toradex.com>
> > > 
> > > This adds initial support for the Toradex Verdin AM62 Quad 1GB WB IT
> > > V1.0A module. They are strapped to boot from their on-module eMMC.
> > > U-Boot supports booting from the on-module eMMC only, DFU support is
> > > disabled for now due to missing AM62x USB support.
> > > 
> > > Boot sequence is:
> > > SYSFW ---> R5 SPL (both in tiboot3.bin) ---> ATF (TF-A) ---> OP-TEE
> > >   ---> A53 SPL (part of tispl.bin) ---> U-boot proper (u-boot.img)
> > > 
> > > Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>
> > > 
> > > ---
> > > 
> > > Changes in v3:
> > > - Integrate our recent find of CTRL_SLEEP_MOCI# needing to be driven
> > >   from A53 SPL as it may be used to control some power-rails on the
> > >   carrier board. E.g. on the Yavia carrier board it is needed to power
> > >   the I2C EEPROM on the carrier board.
> > > - Improve boot environment in R5 SPL vs. A53.
> > > - Integrate launch configuration SKUs to Wi-Fi handling.
> > > - Re-sync device trees from Linux kernel v6.5-rc1.
> > > - Add warning if memory is less than expected.
> > 
> > Thank you. we are in the middle of a bunch of cleanup for AM62 at the
> > moment - fixing up mdio, dts, ethernet etc and introducing binman at the
> > moment.
> 
> I am, of course, fully aware of this and actually internally do have patches on top of all such work which
> already got posted to the mailing list to make sure our stuff also works with this.
> 
> I am also more than happy to provide more feedback to help in moving this all forward.
> 
> > I think it might be better to introduce new platforms with those
> > changes incorporated.
> 
> While I do understand what you are saying I am also a little bit disappointed that we are now blocked since
> more than one and a half months without a clear path/timeline moving forward.

I too am not thrilled with the overall state here.  When roughly will
the dts files be able to be re-synced and we can move forward? Perhaps
when the merge window opens in about 4 weeks?

-- 
Tom
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