Re: [PATCH v2] arm64: dts: qcom: sm8150: describe download mode register
From: Konrad Dybcio
Date: Tue Aug 18 2026 - 08:32:29 EST
On 8/11/26 11:39 PM, Robin Snyders via B4 Relay wrote:
> From: Robin Snyders <robin@xxxxxxxxxxx>
>
> The SM8150 SCM node does not describe the TCSR download-mode register.
> Without it, the SCM driver falls back to a firmware call and the
> mode cookie may remain set across a warm reset, causing the next boot to
> enter the Qualcomm crashdump transport.
>
> Describe the TCSR window and point qcom,dload-mode at offset 0x13000,
> matching the layout used by SM8250 and other related Qualcomm platforms.
>
> On a OnePlus 7T Pro this changes software reboot from a reproducible
> 05c6:900e transition to six consecutive successful boots.
>
> Signed-off-by: Robin Snyders <robin@xxxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Konrad