path: root/drivers/remoteproc/mtk_scp.c

// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2019 MediaTek Inc.

#include <asm/barrier.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/of_reserved_mem.h>
#include <linux/platform_device.h>
#include <linux/remoteproc.h>
#include <linux/remoteproc/mtk_scp.h>
#include <linux/rpmsg/mtk_rpmsg.h>

#include "mtk_common.h"
#include "remoteproc_internal.h"

#define SECTION_NAME_IPI_BUFFER ".ipi_buffer"

/**
 * scp_get() - get a reference to SCP.
 *
 * @pdev:	the platform device of the module requesting SCP platform
 *		device for using SCP API.
 *
 * Return: Return NULL if failed.  otherwise reference to SCP.
 **/
struct mtk_scp *scp_get(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev