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87 lines
2.2 KiB
87 lines
2.2 KiB
// SPDX-License-Identifier: GPL-2.0 |
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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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