| // SPDX-License-Identifier: GPL-2.0 |
| /***************************************************************************/ |
| |
| /* |
| * 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); |
| |
| /***************************************************************************/ |