remoteproc/mediatek: read IPI buffer offset from FW

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Reads the IPI buffer offset from the FW binary.  The information resides
in addr of .ipi_buffer section.

Moves scp_ipi_init() to rproc_ops::parse_fw() phase.  The IPI buffer can
be initialized only if the offset is clear.

To backward compatible to MT8183 SCP, specify the offset in the board
specific mtk_scp_of_data.  Reads the default offset if the firmware
doesn't have it.

Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20201202044609.2501913-1-tzungbi@google.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

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This commit is contained in:

Tzung-Bi Shih 2020-12-02 12:46:09 +08:00 • committed by Bjorn Andersson

parent 22c3df6f55

commit 3efa0ea743

2 changed files with 69 additions and 22 deletions

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2

drivers/remoteproc/mtk_common.h

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91

drivers/remoteproc/mtk_scp.c

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