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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
108 lines
2.1 KiB
C
108 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* ts5500_flash.c -- MTD map driver for Technology Systems TS-5500 board
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*
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* Copyright (C) 2004 Sean Young <sean@mess.org>
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*
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* Note:
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* - In order for detection to work, jumper 3 must be set.
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* - Drive A and B use the resident flash disk (RFD) flash translation layer.
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* - If you have created your own jffs file system and the bios overwrites
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* it during boot, try disabling Drive A: and B: in the boot order.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/mtd/map.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/types.h>
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#define WINDOW_ADDR 0x09400000
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#define WINDOW_SIZE 0x00200000
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static struct map_info ts5500_map = {
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.name = "TS-5500 Flash",
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.size = WINDOW_SIZE,
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.bankwidth = 1,
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.phys = WINDOW_ADDR
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};
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static const struct mtd_partition ts5500_partitions[] = {
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{
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.name = "Drive A",
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.offset = 0,
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.size = 0x0e0000
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},
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{
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.name = "BIOS",
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.offset = 0x0e0000,
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.size = 0x020000,
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},
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{
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.name = "Drive B",
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.offset = 0x100000,
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.size = 0x100000
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}
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};
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#define NUM_PARTITIONS ARRAY_SIZE(ts5500_partitions)
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static struct mtd_info *mymtd;
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static int __init init_ts5500_map(void)
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{
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int rc = 0;
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ts5500_map.virt = ioremap_nocache(ts5500_map.phys, ts5500_map.size);
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if (!ts5500_map.virt) {
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printk(KERN_ERR "Failed to ioremap_nocache\n");
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rc = -EIO;
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goto err2;
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}
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simple_map_init(&ts5500_map);
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mymtd = do_map_probe("jedec_probe", &ts5500_map);
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if (!mymtd)
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mymtd = do_map_probe("map_rom", &ts5500_map);
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if (!mymtd) {
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rc = -ENXIO;
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goto err1;
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}
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mymtd->owner = THIS_MODULE;
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mtd_device_register(mymtd, ts5500_partitions, NUM_PARTITIONS);
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return 0;
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err1:
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iounmap(ts5500_map.virt);
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err2:
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return rc;
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}
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static void __exit cleanup_ts5500_map(void)
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{
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if (mymtd) {
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mtd_device_unregister(mymtd);
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map_destroy(mymtd);
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}
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if (ts5500_map.virt) {
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iounmap(ts5500_map.virt);
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ts5500_map.virt = NULL;
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}
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}
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module_init(init_ts5500_map);
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module_exit(cleanup_ts5500_map);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Sean Young <sean@mess.org>");
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MODULE_DESCRIPTION("MTD map driver for Technology Systems TS-5500 board");
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