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Diffstat (limited to 'arch/m68k/platform/coldfire/firebee.c')
| -rw-r--r-- | arch/m68k/platform/coldfire/firebee.c | 86 | 
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/m68k/platform/coldfire/firebee.c b/arch/m68k/platform/coldfire/firebee.c new file mode 100644 index 00000000000..46d50534f98 --- /dev/null +++ b/arch/m68k/platform/coldfire/firebee.c @@ -0,0 +1,86 @@ +/***************************************************************************/ + +/* + *	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); + +/***************************************************************************/  |