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1055faa5d6
The i.MX95 System manager exports SCMI CPU protocol for linux to manage cpu cores. The driver is to use the cpu Protocol interface to start, stop a cpu cores (eg, M7). Reviewed-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Peng Fan <peng.fan@nxp.com> Message-Id: <20250408-imx-lmm-cpu-v4-6-4c5f4a456e49@nxp.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2024 NXP
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*/
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#ifndef _SCMI_IMX_H
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#define _SCMI_IMX_H
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#include <linux/bitfield.h>
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#include <linux/errno.h>
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#include <linux/scmi_imx_protocol.h>
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#include <linux/types.h>
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#define SCMI_IMX_CTRL_PDM_CLK_SEL 0 /* AON PDM clock sel */
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#define SCMI_IMX_CTRL_MQS1_SETTINGS 1 /* AON MQS settings */
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#define SCMI_IMX_CTRL_SAI1_MCLK 2 /* AON SAI1 MCLK */
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#define SCMI_IMX_CTRL_SAI3_MCLK 3 /* WAKE SAI3 MCLK */
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#define SCMI_IMX_CTRL_SAI4_MCLK 4 /* WAKE SAI4 MCLK */
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#define SCMI_IMX_CTRL_SAI5_MCLK 5 /* WAKE SAI5 MCLK */
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int scmi_imx_misc_ctrl_get(u32 id, u32 *num, u32 *val);
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int scmi_imx_misc_ctrl_set(u32 id, u32 val);
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int scmi_imx_cpu_start(u32 cpuid, bool start);
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int scmi_imx_cpu_started(u32 cpuid, bool *started);
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int scmi_imx_cpu_reset_vector_set(u32 cpuid, u64 vector, bool start, bool boot,
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bool resume);
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enum scmi_imx_lmm_op {
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SCMI_IMX_LMM_BOOT,
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SCMI_IMX_LMM_POWER_ON,
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SCMI_IMX_LMM_SHUTDOWN,
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};
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/* For shutdown pperation */
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#define SCMI_IMX_LMM_OP_FORCEFUL 0
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#define SCMI_IMX_LMM_OP_GRACEFUL BIT(0)
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int scmi_imx_lmm_operation(u32 lmid, enum scmi_imx_lmm_op op, u32 flags);
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int scmi_imx_lmm_info(u32 lmid, struct scmi_imx_lmm_info *info);
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int scmi_imx_lmm_reset_vector_set(u32 lmid, u32 cpuid, u32 flags, u64 vector);
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#endif
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