/*
 * Copyright (c) 2014, Mentor Graphics Corporation
 * All rights reserved.
 * Copyright (c) 2015 Xilinx, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of Mentor Graphics Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/**************************************************************************
 * FILE NAME
 *
 *       platform_info.c
 *
 * DESCRIPTION
 *
 *       This file implements APIs to get platform specific
 *       information for OpenAMP.
 *
 **************************************************************************/

#include "openamp/hil.h"
#include "metal/atomic.h"

#define RPU_CPU_ID             0 /* RPU ID */
#define IPI_CHN_BITMASK        0x00000100 /* IPI channel bit mask APU<->RPU0 */
#define RPMSG_CHAN_NAME        "rpmsg-openamp-demo-channel"
#define DEV_BUS_NAME           "platform"
#define IPI_DEV_NAME           "ff340000.ipi"
#define VRING_DEV_NAME         "3ed40000.vring"
#define SHM_DEV_NAME           "3ed80000.shm"

/* -- FIX ME: ipi info is to be defined -- */
struct ipi_info {
        const char *name;
        const char *bus_name;
        struct meta_device *dev;
        struct metal_io_region *io;
	metal_phys_addr_t paddr;
        uint32_t ipi_chn_mask;
        int need_reg;
        atomic_int sync;
};

extern struct hil_platform_ops zynqmp_a53_r5_proc_ops;

static struct ipi_info chn_ipi_info[] = {
	{IPI_DEV_NAME, DEV_BUS_NAME, NULL, NULL, 0, IPI_CHN_BITMASK, 1, 0},
	{IPI_DEV_NAME, DEV_BUS_NAME, NULL, NULL, 0, IPI_CHN_BITMASK, 0, 0},
};


const struct firmware_info fw_table[] =
{
	{"unknown",
	 0,
	 0}
};

const int fw_table_size = sizeof(fw_table)/sizeof(struct firmware_info);

struct hil_proc *platform_create_proc(int proc_index)
{
	(void) proc_index;
	struct hil_proc *proc;
	proc = hil_create_proc(&zynqmp_a53_r5_proc_ops, RPU_CPU_ID, NULL);
	if (!proc)
		return NULL;

	/* Setup IPI info */
	hil_set_ipi(proc, 0, (unsigned int)(-1), (void *)&chn_ipi_info[0]);
	hil_set_ipi(proc, 1, (unsigned int)(-1), (void *)&chn_ipi_info[1]);
	/* Setup vring info */
	hil_set_vring(proc, 0, DEV_BUS_NAME, VRING_DEV_NAME);
	hil_set_vring(proc, 1, DEV_BUS_NAME, VRING_DEV_NAME);
	/* Setup shared memory info */
	hil_set_shm (proc, DEV_BUS_NAME, SHM_DEV_NAME, 0, 0x40000);
	/* Setup RPMSG channel info */
	hil_set_rpmsg_channel(proc, 0, RPMSG_CHAN_NAME);
	return proc;
}