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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/m68k/platform/54xx/firebee.c
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/***************************************************************************/

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/*

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 *	firebee.c -- extra startup code support for the FireBee boards

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 *

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 *	Copyright (C) 2011, Greg Ungerer ([email protected])

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 */

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

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#include <linux/kernel.h>

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#include <linux/init.h>

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#include <linux/io.h>

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#include <linux/platform_device.h>

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#include <linux/mtd/mtd.h>

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#include <linux/mtd/partitions.h>

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#include <linux/mtd/physmap.h>

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#include <asm/coldfire.h>

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#include <asm/mcfsim.h>

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

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/*

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 *	8MB of NOR flash fitted to the FireBee board.

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 */

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#define	FLASH_PHYS_ADDR		0xe0000000	/* Physical address of flash */

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#define	FLASH_PHYS_SIZE		0x00800000	/* Size of flash */

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#define	PART_BOOT_START		0x00000000	/* Start at bottom of flash */

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#define	PART_BOOT_SIZE		0x00040000	/* 256k in size */

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#define	PART_IMAGE_START	0x00040000	/* Start after boot loader */

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#define	PART_IMAGE_SIZE		0x006c0000	/* Most of flash */

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#define	PART_FPGA_START		0x00700000	/* Start at offset 7MB */

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#define	PART_FPGA_SIZE		0x00100000	/* 1MB in size */

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static struct mtd_partition firebee_flash_parts[] = {

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	{

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		.name	= "dBUG",

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		.offset	= PART_BOOT_START,

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		.size	= PART_BOOT_SIZE,

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	},

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	{

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		.name	= "FPGA",

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		.offset	= PART_FPGA_START,

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		.size	= PART_FPGA_SIZE,

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	},

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	{

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		.name	= "image",

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		.offset	= PART_IMAGE_START,

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		.size	= PART_IMAGE_SIZE,

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	},

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};

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static struct physmap_flash_data firebee_flash_data = {

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	.width		= 2,

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	.nr_parts	= ARRAY_SIZE(firebee_flash_parts),

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	.parts		= firebee_flash_parts,

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};

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static struct resource firebee_flash_resource = {

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	.start		= FLASH_PHYS_ADDR,

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	.end		= FLASH_PHYS_ADDR + FLASH_PHYS_SIZE,

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	.flags		= IORESOURCE_MEM,

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};

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static struct platform_device firebee_flash = {

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	.name		= "physmap-flash",

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	.id		= 0,

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	.dev		= {

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		.platform_data = &firebee_flash_data,

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	},

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	.num_resources	= 1,

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	.resource	= &firebee_flash_resource,

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};

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

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static int __init init_firebee(void)

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{

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	platform_device_register(&firebee_flash);

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	return 0;

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}

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arch_initcall(init_firebee);

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

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