// SPDX-License-Identifier: GPL-2.0
/***************************************************************************/

/*
 *      firebee.c -- extra startup code support for the FireBee boards
 *
 *      Copyright (C) 2011, Greg Ungerer (gerg@snapgear.com)
 */

/***************************************************************************/

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>

/***************************************************************************/

/*
 *      8MB of NOR flash fitted to the FireBee board.
 */
#define FLASH_PHYS_ADDR         0xe0000000      /* Physical address of flash */
#define FLASH_PHYS_SIZE         0x00800000      /* Size of flash */

#define PART_BOOT_START         0x00000000      /* Start at bottom of flash */
#define PART_BOOT_SIZE          0x00040000      /* 256k in size */
#define PART_IMAGE_START        0x00040000      /* Start after boot loader */
#define PART_IMAGE_SIZE         0x006c0000      /* Most of flash */
#define PART_FPGA_START         0x00700000      /* Start at offset 7MB */
#define PART_FPGA_SIZE          0x00100000      /* 1MB in size */

static struct mtd_partition firebee_flash_parts[] = {
        {
                .name   = "dBUG",
                .offset = PART_BOOT_START,
                .size   = PART_BOOT_SIZE,
        },
        {
                .name   = "FPGA",
                .offset = PART_FPGA_START,
                .size   = PART_FPGA_SIZE,
        },
        {
                .name   = "image",
                .offset = PART_IMAGE_START,
                .size   = PART_IMAGE_SIZE,
        },
};

static struct physmap_flash_data firebee_flash_data = {
        .width          = 2,
        .nr_parts       = ARRAY_SIZE(firebee_flash_parts),
        .parts          = firebee_flash_parts,
};

static struct resource firebee_flash_resource = {
        .start          = FLASH_PHYS_ADDR,
        .end            = FLASH_PHYS_ADDR + FLASH_PHYS_SIZE,
        .flags          = IORESOURCE_MEM,
};

static struct platform_device firebee_flash = {
        .name           = "physmap-flash",
        .id             = 0,
        .dev            = {
                .platform_data = &firebee_flash_data,
        },
        .num_resources  = 1,
        .resource       = &firebee_flash_resource,
};

/***************************************************************************/

static int __init init_firebee(void)
{
        platform_device_register(&firebee_flash);
        return 0;
}

arch_initcall(init_firebee);

/***************************************************************************/