patch-2.4.6 linux/drivers/mtd/nora.c

• Lines: 209
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.5/linux/drivers/mtd/nora.c
• Orig date: Mon Dec 11 14:57:58 2000

diff -u --recursive --new-file v2.4.5/linux/drivers/mtd/nora.c linux/drivers/mtd/nora.c
@@ -1,208 +0,0 @@
-/*
- * $Id: nora.c,v 1.17 2000/12/03 19:32:21 dwmw2 Exp $
- *
- * This is so simple I love it.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-
-
-#define WINDOW_ADDR 0xd0000000
-#define WINDOW_SIZE 0x04000000
-
-static struct mtd_info *mymtd;
-
-__u8 nora_read8(struct map_info *map, unsigned long ofs)
-{
-  return *(__u8 *)(WINDOW_ADDR + ofs);
-}
-
-__u16 nora_read16(struct map_info *map, unsigned long ofs)
-{
-  return *(__u16 *)(WINDOW_ADDR + ofs);
-}
-
-__u32 nora_read32(struct map_info *map, unsigned long ofs)
-{
-  return *(__u32 *)(WINDOW_ADDR + ofs);
-}
-
-void nora_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
-{
-  memcpy(to, (void *)(WINDOW_ADDR + from), len);
-}
-
-void nora_write8(struct map_info *map, __u8 d, unsigned long adr)
-{
-  *(__u8 *)(WINDOW_ADDR + adr) = d;
-}
-
-void nora_write16(struct map_info *map, __u16 d, unsigned long adr)
-{
-  *(__u16 *)(WINDOW_ADDR + adr) = d;
-}
-
-void nora_write32(struct map_info *map, __u32 d, unsigned long adr)
-{
-  *(__u32 *)(WINDOW_ADDR + adr) = d;
-}
-
-void nora_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
-{
-  memcpy((void *)(WINDOW_ADDR + to), from, len);
-}
-
-struct map_info nora_map = {
-	name: "NORA",
-	size: WINDOW_SIZE,
-	buswidth: 2,
-	read8: nora_read8,
-	read16: nora_read16,
-	read32: nora_read32,
-	copy_from: nora_copy_from,
-	write8: nora_write8,
-	write16: nora_write16,
-	write32: nora_write32,
-	copy_to: nora_copy_to
-};
-
-
-static int nora_mtd_read (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
-{
-	return mymtd->read(mymtd, from + (unsigned long)mtd->priv, len, retlen, buf);
-}
-
-static int nora_mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
-{
-	return mymtd->write(mymtd, to + (unsigned long)mtd->priv, len, retlen, buf);
-}
-
-static int nora_mtd_erase (struct mtd_info *mtd, struct erase_info *instr)
-{
-	instr->addr += (unsigned long)mtd->priv;
-	return mymtd->erase(mymtd, instr);
-}
-
-static void nora_mtd_sync (struct mtd_info *mtd)
-{
-	mymtd->sync(mymtd);
-}
-
-static int nora_mtd_suspend (struct mtd_info *mtd)
-{
-	return mymtd->suspend(mymtd);
-}
-
-static void nora_mtd_resume (struct mtd_info *mtd)
-{
-	mymtd->resume(mymtd);
-}
-
-
-static struct mtd_info nora_mtds[4] = {  /* boot, kernel, ramdisk, fs */
-	{
-		type: MTD_NORFLASH,
-		flags: MTD_CAP_NORFLASH,
-		size: 0x60000,
-		erasesize: 0x20000,
-		name: "NORA boot firmware",
-		module: THIS_MODULE,
-		erase: nora_mtd_erase,
-		read: nora_mtd_read,
-		write: nora_mtd_write,
-		suspend: nora_mtd_suspend,
-		resume: nora_mtd_resume,
-		sync: nora_mtd_sync,
-		priv: (void *)0
-	},
-	{
-		type: MTD_NORFLASH,
-		flags: MTD_CAP_NORFLASH,
-		size: 0x0a0000,
-		erasesize: 0x20000,
-		name: "NORA kernel",
-		module: THIS_MODULE,
-		erase: nora_mtd_erase,
-		read: nora_mtd_read,
-		write: nora_mtd_write,
-		suspend: nora_mtd_suspend,
-		resume: nora_mtd_resume,
-		sync: nora_mtd_sync,
-		priv: (void *)0x60000
-	},
-	{
-		type: MTD_NORFLASH,
-		flags: MTD_CAP_NORFLASH,
-		size: 0x900000,
-		erasesize: 0x20000,
-		name: "NORA root filesystem",
-		module: THIS_MODULE,
-		erase: nora_mtd_erase,
-		read: nora_mtd_read,
-		write: nora_mtd_write,
-		suspend: nora_mtd_suspend,
-		resume: nora_mtd_resume,
-		sync: nora_mtd_sync,
-		priv: (void *)0x100000
-	},
-	{
-		type: MTD_NORFLASH,
-		flags: MTD_CAP_NORFLASH,
-		size: 0x1600000,
-		erasesize: 0x20000,
-		name: "NORA second filesystem",
-		module: THIS_MODULE,
-		erase: nora_mtd_erase,
-		read: nora_mtd_read,
-		write: nora_mtd_write,
-		suspend: nora_mtd_suspend,
-		resume: nora_mtd_resume,
-		sync: nora_mtd_sync,
-		priv: (void *)0xa00000
-	}
-};
-
-
-#if LINUX_VERSION_CODE < 0x20212 && defined(MODULE)
-#define init_nora init_module
-#define cleanup_nora cleanup_module
-#endif
-
-int __init init_nora(void)
-{
-       	printk(KERN_NOTICE "nora flash device: %x at %x\n", WINDOW_SIZE, WINDOW_ADDR);
-
-	mymtd = do_cfi_probe(&nora_map);
-	if (mymtd) {
-#ifdef MODULE
-		mymtd->module = &__this_module;
-#endif
-		
-		add_mtd_device(&nora_mtds[2]);
-		add_mtd_device(&nora_mtds[0]);
-		add_mtd_device(&nora_mtds[1]);
-		add_mtd_device(&nora_mtds[3]);
-		return 0;
-	}
-
-	return -ENXIO;
-}
-
-static void __exit cleanup_nora(void)
-{
-	if (mymtd) {
-		del_mtd_device(&nora_mtds[3]);
-		del_mtd_device(&nora_mtds[1]);
-		del_mtd_device(&nora_mtds[0]);
-		del_mtd_device(&nora_mtds[2]);
-		map_destroy(mymtd);
-	}
-}
-
-module_init(init_nora);
-module_exit(cleanup_nora);