56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
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/*
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* Flash device on the ADM5120 board
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*
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* Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
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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 License version
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* 2 as published by the Free Software Foundation.
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*/
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#include <linux/autoconf.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/map.h>
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#define FLASH_PHYS_ADDR 0x1FC00000
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#define FLASH_SIZE 0x200000
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static struct mtd_info *adm5120_mtd;
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static struct map_info adm5120_mtd_map = {
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.name = "ADM5120",
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.size = FLASH_SIZE,
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.bankwidth = 2,
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.phys = FLASH_PHYS_ADDR,
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};
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static int __init adm5120_mtd_init(void)
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{
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printk(KERN_INFO "ADM5120 board flash (0x%x at 0x%x)\n", FLASH_SIZE,
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FLASH_PHYS_ADDR);
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adm5120_mtd_map.virt = ioremap_nocache(FLASH_PHYS_ADDR, FLASH_SIZE);
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simple_map_init(&adm5120_mtd_map);
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adm5120_mtd = do_map_probe("cfi_probe", &adm5120_mtd_map);
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if (adm5120_mtd) {
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adm5120_mtd->owner = THIS_MODULE;
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add_mtd_device(adm5120_mtd);
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return 0;
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}
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return -ENXIO;
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}
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static void __exit adm5120_mtd_exit(void)
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{
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del_mtd_device(adm5120_mtd);
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map_destroy(adm5120_mtd);
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}
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module_init(adm5120_mtd_init);
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module_exit(adm5120_mtd_exit);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
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MODULE_DESCRIPTION("MTD map driver for ADM5120 boards");
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