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The System Controller Firmware (SCFW) is a low-level system function which runs on a dedicated Cortex-M core to provide power, clock, and resource management. It exists on some i.MX8 processors. e.g. i.MX8QM (QM, QP), and i.MX8QX (QXP, DX). This patch implements the SCU firmware IPC function and the common message sending API sc_call_rpc. Cc: Shawn Guo <shawnguo@kernel.org> Cc: Fabio Estevam <fabio.estevam@nxp.com> Cc: Jassi Brar <jassisinghbrar@gmail.com> Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
12 lines
425 B
Plaintext
12 lines
425 B
Plaintext
config IMX_SCU
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bool "IMX SCU Protocol driver"
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depends on IMX_MBOX
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help
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The System Controller Firmware (SCFW) is a low-level system function
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which runs on a dedicated Cortex-M core to provide power, clock, and
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resource management. It exists on some i.MX8 processors. e.g. i.MX8QM
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(QM, QP), and i.MX8QX (QXP, DX).
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This driver manages the IPC interface between host CPU and the
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SCU firmware running on M4.
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