|
@@ -1,98 +0,0 @@
|
|
|
-/*
|
|
|
- * Handle mapping of the flash on MBX860 boards
|
|
|
- *
|
|
|
- * Author: Anton Todorov
|
|
|
- * Copyright: (C) 2001 Emness Technology
|
|
|
- *
|
|
|
- * This program is free software; you can redistribute it and/or modify
|
|
|
- * it under the terms of the GNU General Public License version 2 as
|
|
|
- * published by the Free Software Foundation.
|
|
|
- *
|
|
|
- */
|
|
|
-
|
|
|
-#include <linux/module.h>
|
|
|
-#include <linux/types.h>
|
|
|
-#include <linux/kernel.h>
|
|
|
-#include <linux/init.h>
|
|
|
-#include <asm/io.h>
|
|
|
-#include <linux/mtd/mtd.h>
|
|
|
-#include <linux/mtd/map.h>
|
|
|
-#include <linux/mtd/partitions.h>
|
|
|
-
|
|
|
-
|
|
|
-#define WINDOW_ADDR 0xfe000000
|
|
|
-#define WINDOW_SIZE 0x00200000
|
|
|
-
|
|
|
-/* Flash / Partition sizing */
|
|
|
-#define MAX_SIZE_KiB 8192
|
|
|
-#define BOOT_PARTITION_SIZE_KiB 512
|
|
|
-#define KERNEL_PARTITION_SIZE_KiB 5632
|
|
|
-#define APP_PARTITION_SIZE_KiB 2048
|
|
|
-
|
|
|
-#define NUM_PARTITIONS 3
|
|
|
-
|
|
|
-/* partition_info gives details on the logical partitions that the split the
|
|
|
- * single flash device into. If the size if zero we use up to the end of the
|
|
|
- * device. */
|
|
|
-static struct mtd_partition partition_info[]={
|
|
|
- { .name = "MBX flash BOOT partition",
|
|
|
- .offset = 0,
|
|
|
- .size = BOOT_PARTITION_SIZE_KiB*1024 },
|
|
|
- { .name = "MBX flash DATA partition",
|
|
|
- .offset = BOOT_PARTITION_SIZE_KiB*1024,
|
|
|
- .size = (KERNEL_PARTITION_SIZE_KiB)*1024 },
|
|
|
- { .name = "MBX flash APPLICATION partition",
|
|
|
- .offset = (BOOT_PARTITION_SIZE_KiB+KERNEL_PARTITION_SIZE_KiB)*1024 }
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-static struct mtd_info *mymtd;
|
|
|
-
|
|
|
-struct map_info mbx_map = {
|
|
|
- .name = "MBX flash",
|
|
|
- .size = WINDOW_SIZE,
|
|
|
- .phys = WINDOW_ADDR,
|
|
|
- .bankwidth = 4,
|
|
|
-};
|
|
|
-
|
|
|
-static int __init init_mbx(void)
|
|
|
-{
|
|
|
- printk(KERN_NOTICE "Motorola MBX flash device: 0x%x at 0x%x\n", WINDOW_SIZE*4, WINDOW_ADDR);
|
|
|
- mbx_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE * 4);
|
|
|
-
|
|
|
- if (!mbx_map.virt) {
|
|
|
- printk("Failed to ioremap\n");
|
|
|
- return -EIO;
|
|
|
- }
|
|
|
- simple_map_init(&mbx_map);
|
|
|
-
|
|
|
- mymtd = do_map_probe("jedec_probe", &mbx_map);
|
|
|
- if (mymtd) {
|
|
|
- mymtd->owner = THIS_MODULE;
|
|
|
- mtd_device_register(mymtd, NULL, 0);
|
|
|
- mtd_device_register(mymtd, partition_info, NUM_PARTITIONS);
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
- iounmap((void *)mbx_map.virt);
|
|
|
- return -ENXIO;
|
|
|
-}
|
|
|
-
|
|
|
-static void __exit cleanup_mbx(void)
|
|
|
-{
|
|
|
- if (mymtd) {
|
|
|
- mtd_device_unregister(mymtd);
|
|
|
- map_destroy(mymtd);
|
|
|
- }
|
|
|
- if (mbx_map.virt) {
|
|
|
- iounmap((void *)mbx_map.virt);
|
|
|
- mbx_map.virt = 0;
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-module_init(init_mbx);
|
|
|
-module_exit(cleanup_mbx);
|
|
|
-
|
|
|
-MODULE_AUTHOR("Anton Todorov <a.todorov@emness.com>");
|
|
|
-MODULE_DESCRIPTION("MTD map driver for Motorola MBX860 board");
|
|
|
-MODULE_LICENSE("GPL");
|