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