arm64: dts: qcom: ipq5424: Add reserved memory for TF-A

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IPQ5424 supports both TZ and TF-A as secure software options and various
DDR sizes. In most cases, TF-A or TZ is loaded at the same memory
location, but in the 256MB DDR configuration TF-A is loaded at a different
region.

So, add the reserved memory node for TF-A and keep it disabled by default.
During bootup, U-Boot will detect which secure software is running and
enable or disable the node accordingly.

Signed-off-by: Vignesh Viswanathan <quic_viswanat@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250812-atf-reserved-mem-v2-1-1adb94a998c1@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

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Vignesh Viswanathan 2025-08-12 10:22:12 +05:30 • committed by Bjorn Andersson

parent 3d7f446472

commit 8517204c98

1 changed files with 6 additions and 0 deletions

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arch/arm64/boot/dts/qcom/ipq5424.dtsi

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