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The System Control Management Interface(SCMI) firmware runs on the M33 core. The i.MX95 SCMI firmware named System Manager(SM) includes vendor extension protocols, Logical Machine Management(LMM) protocol and CPU protocol and etc. There are three cases for M7: (1) M7 in a separate Logical Machine(LM) that Linux couldn't control it. (2) M7 in a separate Logical Machine that Linux could control it using LMM protocol (3) M7 runs in same Logical Machine as A55, so Linux could control it using CPU protocol In patch 1, add fsl,lmm-id and fsl,cpu-id to indicate LM ID and CPU ID In patch 2, Use LMM and CPU protocol to manage M7. More info could be found in the patch commit log Current setup relies on pre-Linux software(U-Boot) to do M7 TCM ECC initialization. In future, we could add the support in Linux to decouple U-Boot and Linux. Patchset was tested with when the patchset based on next-20250526: imx-boot-variant-rpmsg-imx95-19x19-lpddr5-evk-sd.bin-flash_lpboot_sm_a55 (Use LMM protocol) imx-boot-variant-alt-imx95-19x19-lpddr5-evk-sd.bin-flash_alt (Use CPU protocol) imx-boot-imx95-19x19-lpddr5-evk-sd.bin-flash_a55 (M7 not under A55 control) imx-boot-imx95-19x19-lpddr5-evk-sd.bin-flash_all (M7 not under A55 control) Patchset is re-based on next-20250603. Thanks for Daniel helping review the patchset before posting out to list. Signed-off-by: Peng Fan --- Peng Fan (3): dt-bindings: remoteproc: fsl,imx-rproc: Add support for i.MX95 remoteproc: imx_rproc: Add support for System Manager API remoteproc: imx_rproc: Add support for i.MX95 .../bindings/remoteproc/fsl,imx-rproc.yaml | 27 ++++ drivers/remoteproc/imx_rproc.c | 146 ++++++++++++++++++++- drivers/remoteproc/imx_rproc.h | 2 + 3 files changed, 173 insertions(+), 2 deletions(-) --- base-commit: b79c044712e34fe49e7b85ffafd0bd460b5c4afa change-id: 20250525-imx95-rproc-1-20bb74ddc8af Best regards, -- Peng Fan