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

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Message-ID: <f55a057d-2cdd-411e-97b9-5ede1300a4e9@oss.qualcomm.com>
Date: Fri, 27 Jun 2025 14:26:41 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Johan Hovold <johan@...nel.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Maximilian Luz <luzmaximilian@...il.com>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, Ard Biesheuvel <ardb@...nel.org>,
        Steev Klimaszewski <steev@...i.org>, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-efi@...r.kernel.org
Subject: Re: [PATCH v4 5/8] firmware; qcom: scm: enable QSEECOM on SC8280XP
 CRD

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.
>>>>
>>>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
>>>> ---
>>>>  drivers/firmware/qcom/qcom_scm.c | 1 +
>>>>  1 file changed, 1 insertion(+)
>>>>
>>>> diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
>>>> index dbb77c3f69ddaa931e7faa73911207a83634bda1..27ef2497089e11b5a902d949de2e16b7443a2ca4 100644
>>>> --- a/drivers/firmware/qcom/qcom_scm.c
>>>> +++ b/drivers/firmware/qcom/qcom_scm.c
>>>> @@ -2005,6 +2005,7 @@ static const struct of_device_id qcom_scm_qseecom_allowlist[] __maybe_unused = {
>>>>  	{ .compatible = "microsoft,romulus13", },
>>>>  	{ .compatible = "microsoft,romulus15", },
>>>>  	{ .compatible = "qcom,sc8180x-primus" },
>>>> +	{ .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

Konrad