remoteproc: qcom_q6v5_pas: add support for dtb co-firmware loading

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Starting from the SM8550 SoC, starting the aDSP, cDSP and MPSS will
require loading a separate "Devicetree" firmware.

In order to satisfy the load & authentication order required by the SM8550
SoC, the following is implemented:
- "Devicetree" firmware request & load in dedicated memory
- Q6V5 prepare
- Power Domain & Clocks enable
- "Devicetree" firmware authentication
- Main firmware load in dedicated memory
- Main firmware authentication
- Q6V5 startup
- "Devicetree" firmware metadata release
- Main metadata release

When booting older platforms, the "Devicetree" steps would be
bypassed and the load & authentication order would still be valid.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221114-narmstrong-sm8550-upstream-remoteproc-v4-3-54154c08c0b7@linaro.org

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Neil Armstrong 2023-01-18 17:22:41 +01:00 • committed by Bjorn Andersson

parent 084258d607

commit 29814986b8

1 changed files with 121 additions and 13 deletions

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drivers/remoteproc/qcom_q6v5_pas.c

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