m33-firmware-at/rsc_table.h at master · atmark-techno/m33-firmware-at · GitHub

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/*
 * Copyright (c) 2014, Mentor Graphics Corporation
 * All rights reserved.
 * Copyright (c) 2015 Xilinx, Inc. All rights reserved.
 * Copyright 2020 NXP.
 * All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
#pragma once

/* This file populates resource table for BM remote
 * for use by the Linux Master */

#include <stddef.h>
#include <remoteproc.h>

#if defined __cplusplus
extern "C" {
#endif

#define NO_RESOURCE_ENTRIES (2)
#define RSC_VDEV_FEATURE_NS (1) /* Support name service announcement */

/* Resource table for the given remote */
METAL_PACKED_BEGIN
struct remote_resource_table
{
    uint32_t version;
    uint32_t num;
    uint32_t reserved[2];
    uint32_t offset[NO_RESOURCE_ENTRIES];

    /* rpmsg vdev entry for srtm communication */
    struct fw_rsc_vdev srtm_vdev;
    struct fw_rsc_vdev_vring srtm_vring0;
    struct fw_rsc_vdev_vring srtm_vring1;
    /* rpmsg vdev entry for user app communication */
    struct fw_rsc_vdev user_vdev;
    struct fw_rsc_vdev_vring user_vring0;
    struct fw_rsc_vdev_vring user_vring1;
} METAL_PACKED_END;

/*
 * Copy resource table to shared memory base for early M4 boot case.
 * In M4 early boot case, Linux kernel need to get resource table before file system gets loaded.
 */
void copyResourceTable(void);

#if defined __cplusplus
}
#endif