1// SPDX-License-Identifier: GPL-2.0
2/***************************************************************************/
3
4/*
5 *	firebee.c -- extra startup code support for the FireBee boards
6 *
7 *	Copyright (C) 2011, Greg Ungerer (gerg@snapgear.com)
8 */
9
10/***************************************************************************/
11
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/io.h>
15#include <linux/platform_device.h>
16#include <linux/mtd/mtd.h>
17#include <linux/mtd/partitions.h>
18#include <linux/mtd/physmap.h>
19#include <asm/coldfire.h>
20#include <asm/mcfsim.h>
21
22/***************************************************************************/
23
24/*
25 *	8MB of NOR flash fitted to the FireBee board.
26 */
27#define	FLASH_PHYS_ADDR		0xe0000000	/* Physical address of flash */
28#define	FLASH_PHYS_SIZE		0x00800000	/* Size of flash */
29
30#define	PART_BOOT_START		0x00000000	/* Start at bottom of flash */
31#define	PART_BOOT_SIZE		0x00040000	/* 256k in size */
32#define	PART_IMAGE_START	0x00040000	/* Start after boot loader */
33#define	PART_IMAGE_SIZE		0x006c0000	/* Most of flash */
34#define	PART_FPGA_START		0x00700000	/* Start at offset 7MB */
35#define	PART_FPGA_SIZE		0x00100000	/* 1MB in size */
36
37static struct mtd_partition firebee_flash_parts[] = {
38	{
39		.name	= "dBUG",
40		.offset	= PART_BOOT_START,
41		.size	= PART_BOOT_SIZE,
42	},
43	{
44		.name	= "FPGA",
45		.offset	= PART_FPGA_START,
46		.size	= PART_FPGA_SIZE,
47	},
48	{
49		.name	= "image",
50		.offset	= PART_IMAGE_START,
51		.size	= PART_IMAGE_SIZE,
52	},
53};
54
55static struct physmap_flash_data firebee_flash_data = {
56	.width		= 2,
57	.nr_parts	= ARRAY_SIZE(firebee_flash_parts),
58	.parts		= firebee_flash_parts,
59};
60
61static struct resource firebee_flash_resource = {
62	.start		= FLASH_PHYS_ADDR,
63	.end		= FLASH_PHYS_ADDR + FLASH_PHYS_SIZE,
64	.flags		= IORESOURCE_MEM,
65};
66
67static struct platform_device firebee_flash = {
68	.name		= "physmap-flash",
69	.id		= 0,
70	.dev		= {
71		.platform_data = &firebee_flash_data,
72	},
73	.num_resources	= 1,
74	.resource	= &firebee_flash_resource,
75};
76
77/***************************************************************************/
78
79static int __init init_firebee(void)
80{
81	platform_device_register(&firebee_flash);
82	return 0;
83}
84
85arch_initcall(init_firebee);
86
87/***************************************************************************/
88