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

• Lines: 118
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.5/linux/drivers/mtd/physmap.c
• Orig date: Mon Dec 11 14:57:58 2000

diff -u --recursive --new-file v2.4.5/linux/drivers/mtd/physmap.c linux/drivers/mtd/physmap.c
@@ -1,117 +0,0 @@
-/*
- * $Id: physmap.c,v 1.8 2000/11/27 08:50:22 dwmw2 Exp $
- *
- * Normal mappings of chips in physical memory
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <asm/io.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/config.h>
-
-
-#define WINDOW_ADDR CONFIG_MTD_PHYSMAP_START
-#define WINDOW_SIZE CONFIG_MTD_PHYSMAP_LEN
-#define BUSWIDTH CONFIG_MTD_PHYSMAP_BUSWIDTH
-
-static struct mtd_info *mymtd;
-
-__u8 physmap_read8(struct map_info *map, unsigned long ofs)
-{
-	return readb(map->map_priv_1 + ofs);
-}
-
-__u16 physmap_read16(struct map_info *map, unsigned long ofs)
-{
-	return readw(map->map_priv_1 + ofs);
-}
-
-__u32 physmap_read32(struct map_info *map, unsigned long ofs)
-{
-	return readl(map->map_priv_1 + ofs);
-}
-
-void physmap_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
-{
-	memcpy_fromio(to, map->map_priv_1 + from, len);
-}
-
-void physmap_write8(struct map_info *map, __u8 d, unsigned long adr)
-{
-	writeb(d, map->map_priv_1 + adr);
-}
-
-void physmap_write16(struct map_info *map, __u16 d, unsigned long adr)
-{
-	writew(d, map->map_priv_1 + adr);
-}
-
-void physmap_write32(struct map_info *map, __u32 d, unsigned long adr)
-{
-	writel(d, map->map_priv_1 + adr);
-}
-
-void physmap_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
-{
-	memcpy_toio(map->map_priv_1 + to, from, len);
-}
-
-struct map_info physmap_map = {
-	name: "Physically mapped flash",
-	size: WINDOW_SIZE,
-	buswidth: BUSWIDTH,
-	read8: physmap_read8,
-	read16: physmap_read16,
-	read32: physmap_read32,
-	copy_from: physmap_copy_from,
-	write8: physmap_write8,
-	write16: physmap_write16,
-	write32: physmap_write32,
-	copy_to: physmap_copy_to
-};
-
-#if LINUX_VERSION_CODE < 0x20212 && defined(MODULE)
-#define init_physmap init_module
-#define cleanup_physmap cleanup_module
-#endif
-
-int __init init_physmap(void)
-{
-       	printk(KERN_NOTICE "physmap flash device: %x at %x\n", WINDOW_SIZE, WINDOW_ADDR);
-	physmap_map.map_priv_1 = (unsigned long)ioremap(WINDOW_ADDR, WINDOW_SIZE);
-
-	if (!physmap_map.map_priv_1) {
-		printk("Failed to ioremap\n");
-		return -EIO;
-	}
-	mymtd = do_cfi_probe(&physmap_map);
-	if (mymtd) {
-#ifdef MODULE
-		mymtd->module = &__this_module;
-#endif
-		add_mtd_device(mymtd);
-		return 0;
-	}
-
-	iounmap((void *)physmap_map.map_priv_1);
-	return -ENXIO;
-}
-
-static void __exit cleanup_physmap(void)
-{
-	if (mymtd) {
-		del_mtd_device(mymtd);
-		map_destroy(mymtd);
-	}
-	if (physmap_map.map_priv_1) {
-		iounmap((void *)physmap_map.map_priv_1);
-		physmap_map.map_priv_1 = 0;
-	}
-}
-
-module_init(init_physmap);
-module_exit(cleanup_physmap);
-