// 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); /***************************************************************************/