Re: [PATCH v4 5/8] firmware; qcom: scm: enable QSEECOM on SC8280XP CRD

[Bjorn Andersson]

On Mon, Jun 30, 2025 at 02:16:58PM +0200, Johan Hovold wrote:
> On Sat, Jun 28, 2025 at 05:50:49PM +0300, Dmitry Baryshkov wrote:
> > On Fri, Jun 27, 2025 at 02:50:26PM +0200, Johan Hovold wrote:
> > > On Fri, Jun 27, 2025 at 02:26:41PM +0200, Konrad Dybcio wrote:
> > > > On 6/27/25 2:23 PM, Johan Hovold wrote:
> > > > > On Fri, Jun 27, 2025 at 01:54:37AM +0200, Konrad Dybcio wrote:
> > > > >> On 6/27/25 1:34 AM, Konrad Dybcio wrote:
> > > > >>> On 6/25/25 12:53 AM, Dmitry Baryshkov wrote:
> > > 
> > > > >>>> As reported by Johan, this platform also doesn't currently support
> > > > >>>> updating of the UEFI variables. In preparation to reworking match list
> > > > >>>> for QSEECOM mark this platform as supporting QSEECOM with R/O UEFI
> > > > >>>> variables.
> > > 
> > > > >>>> +	{ .compatible = "qcom,sc8280xp-crd", .data = &qcom_qseecom_ro_uefi, },
> > > > >>>
> > > > >>> R/W works for me (tm).. the META version may be (inconclusive) 2605
> > > > >>
> > > > >> Looked at the wrong SoC META table.. the build date is 05/25/2023
> > > > > 
> > > > > Could be that my machine was not provisioned properly. Do you boot from
> > > > > UFS or NVMe?
> > > > > 
> > > > > My fw is also older: 01/10/2022.
> > > > 
> > > > The machine has UFS, NVME and SPINOR, however the boot log definitely says:
> > > > 
> > > > S - Boot Interface: SPI
> > > 
> > > Mine says:
> > > 
> > > S - Boot Interface: UFS
> > 
> > Is this META even supported? I think it's recommended to update
> > firmware to the latest releases.
> 
> It most likely has nothing to do with the meta version, but whether you
> boot from SPI-NOR or UFS.
> 

It would make sense that the UFS firmware then acts as the firwmare on
any other UFS-based device relies on UFS for EFI variable storage -
using yet to be implemented mechanisms. This would explain why you don't
have persistent storage on your device after ExitBootServices...

Regards,
Bjorn

> Johan