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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 000000000000..46d50534f981 --- /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); + +/***************************************************************************/ |