+++ /dev/null
-/*
- * drivers/mtd/maps/redwood.c
- *
- * FLASH map for the IBM Redwood 4/5/6 boards.
- *
- * Author: MontaVista Software, Inc. <source@mvista.com>
- *
- * 2001-2003 (c) MontaVista, Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#include <asm/io.h>
-
-#if !defined (CONFIG_REDWOOD_6)
-
-#define WINDOW_ADDR 0xffc00000
-#define WINDOW_SIZE 0x00400000
-
-#define RW_PART0_OF 0
-#define RW_PART0_SZ 0x10000
-#define RW_PART1_OF RW_PART0_SZ
-#define RW_PART1_SZ 0x200000 - 0x10000
-#define RW_PART2_OF 0x200000
-#define RW_PART2_SZ 0x10000
-#define RW_PART3_OF 0x210000
-#define RW_PART3_SZ 0x200000 - (0x10000 + 0x20000)
-#define RW_PART4_OF 0x3e0000
-#define RW_PART4_SZ 0x20000
-
-static struct mtd_partition redwood_flash_partitions[] = {
- {
- .name = "Redwood OpenBIOS Vital Product Data",
- .offset = RW_PART0_OF,
- .size = RW_PART0_SZ,
- .mask_flags = MTD_WRITEABLE /* force read-only */
- },
- {
- .name = "Redwood kernel",
- .offset = RW_PART1_OF,
- .size = RW_PART1_SZ
- },
- {
- .name = "Redwood OpenBIOS non-volatile storage",
- .offset = RW_PART2_OF,
- .size = RW_PART2_SZ,
- .mask_flags = MTD_WRITEABLE /* force read-only */
- },
- {
- .name = "Redwood filesystem",
- .offset = RW_PART3_OF,
- .size = RW_PART3_SZ
- },
- {
- .name = "Redwood OpenBIOS",
- .offset = RW_PART4_OF,
- .size = RW_PART4_SZ,
- .mask_flags = MTD_WRITEABLE /* force read-only */
- }
-};
-
-#else /* CONFIG_REDWOOD_6 */
-/* FIXME: the window is bigger - armin */
-#define WINDOW_ADDR 0xff800000
-#define WINDOW_SIZE 0x00800000
-
-#define RW_PART0_OF 0
-#define RW_PART0_SZ 0x400000 /* 4 MiB data */
-#define RW_PART1_OF RW_PART0_OF + RW_PART0_SZ
-#define RW_PART1_SZ 0x10000 /* 64K VPD */
-#define RW_PART2_OF RW_PART1_OF + RW_PART1_SZ
-#define RW_PART2_SZ 0x400000 - (0x10000 + 0x20000)
-#define RW_PART3_OF RW_PART2_OF + RW_PART2_SZ
-#define RW_PART3_SZ 0x20000
-
-static struct mtd_partition redwood_flash_partitions[] = {
- {
- .name = "Redwood filesystem",
- .offset = RW_PART0_OF,
- .size = RW_PART0_SZ
- },
- {
- .name = "Redwood OpenBIOS Vital Product Data",
- .offset = RW_PART1_OF,
- .size = RW_PART1_SZ,
- .mask_flags = MTD_WRITEABLE /* force read-only */
- },
- {
- .name = "Redwood kernel",
- .offset = RW_PART2_OF,
- .size = RW_PART2_SZ
- },
- {
- .name = "Redwood OpenBIOS",
- .offset = RW_PART3_OF,
- .size = RW_PART3_SZ,
- .mask_flags = MTD_WRITEABLE /* force read-only */
- }
-};
-
-#endif /* CONFIG_REDWOOD_6 */
-
-struct map_info redwood_flash_map = {
- .name = "IBM Redwood",
- .size = WINDOW_SIZE,
- .bankwidth = 2,
- .phys = WINDOW_ADDR,
-};
-
-
-#define NUM_REDWOOD_FLASH_PARTITIONS ARRAY_SIZE(redwood_flash_partitions)
-
-static struct mtd_info *redwood_mtd;
-
-static int __init init_redwood_flash(void)
-{
- int err;
-
- printk(KERN_NOTICE "redwood: flash mapping: %x at %x\n",
- WINDOW_SIZE, WINDOW_ADDR);
-
- redwood_flash_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);
-
- if (!redwood_flash_map.virt) {
- printk("init_redwood_flash: failed to ioremap\n");
- return -EIO;
- }
- simple_map_init(&redwood_flash_map);
-
- redwood_mtd = do_map_probe("cfi_probe",&redwood_flash_map);
-
- if (redwood_mtd) {
- redwood_mtd->owner = THIS_MODULE;
- err = add_mtd_partitions(redwood_mtd,
- redwood_flash_partitions,
- NUM_REDWOOD_FLASH_PARTITIONS);
- if (err) {
- printk("init_redwood_flash: add_mtd_partitions failed\n");
- iounmap(redwood_flash_map.virt);
- }
- return err;
-
- }
-
- iounmap(redwood_flash_map.virt);
- return -ENXIO;
-}
-
-static void __exit cleanup_redwood_flash(void)
-{
- if (redwood_mtd) {
- del_mtd_partitions(redwood_mtd);
- /* moved iounmap after map_destroy - armin */
- map_destroy(redwood_mtd);
- iounmap((void *)redwood_flash_map.virt);
- }
-}
-
-module_init(init_redwood_flash);
-module_exit(cleanup_redwood_flash);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("MontaVista Software <source@mvista.com>");
-MODULE_DESCRIPTION("MTD map driver for the IBM Redwood reference boards");