91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
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/* Flash mappings for the MB93090-MB00 motherboard
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*
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* Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#define MB93090_BOOTROM_ADDR 0xFF000000 /* Boot ROM */
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#define MB93090_BOOTROM_SIZE (2 * 1024 * 1024)
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#define MB93090_USERROM_ADDR 0xFF200000 /* User ROM */
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#define MB93090_USERROM_SIZE (2 * 1024 * 1024)
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/*
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* default MTD partition table for both main flash devices, expected to be
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* overridden by RedBoot
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*/
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static struct mtd_partition mb93090_partitions[] = {
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{
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.name = "Filesystem",
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.size = MTDPART_SIZ_FULL,
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.offset = 0,
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}
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};
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/*
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* Definition of the MB93090 Boot ROM (on the CPU card)
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*/
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static struct physmap_flash_data mb93090_bootrom_data = {
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.width = 2,
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.nr_parts = 2,
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.parts = mb93090_partitions,
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};
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static struct resource mb93090_bootrom_resource = {
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.start = MB93090_BOOTROM_ADDR,
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.end = MB93090_BOOTROM_ADDR + MB93090_BOOTROM_SIZE - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device mb93090_bootrom = {
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.name = "physmap-flash",
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.id = 0,
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.dev.platform_data = &mb93090_bootrom_data,
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.num_resources = 1,
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.resource = &mb93090_bootrom_resource,
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};
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/*
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* Definition of the MB93090 User ROM definition (on the motherboard)
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*/
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static struct physmap_flash_data mb93090_userrom_data = {
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.width = 2,
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.nr_parts = 2,
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.parts = mb93090_partitions,
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};
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static struct resource mb93090_userrom_resource = {
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.start = MB93090_USERROM_ADDR,
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.end = MB93090_USERROM_ADDR + MB93090_USERROM_SIZE - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device mb93090_userrom = {
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.name = "physmap-flash",
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.id = 1,
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.dev.platform_data = &mb93090_userrom_data,
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.num_resources = 1,
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.resource = &mb93090_userrom_resource,
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};
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/*
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* register the MB93090 flashes
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*/
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static int __init mb93090_mtd_init(void)
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{
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platform_device_register(&mb93090_bootrom);
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platform_device_register(&mb93090_userrom);
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return 0;
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}
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module_init(mb93090_mtd_init);
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