patch-2.4.6 linux/drivers/mtd/rpxlite.c
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- Lines: 115
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.4.5/linux/drivers/mtd/rpxlite.c
- Orig date:
Sun Feb 4 10:05:30 2001
diff -u --recursive --new-file v2.4.5/linux/drivers/mtd/rpxlite.c linux/drivers/mtd/rpxlite.c
@@ -1,114 +0,0 @@
-/*
- * $Id: rpxlite.c,v 1.8 2000/12/09 22:00:31 dwmw2 Exp $
- *
- * Handle mapping of the flash on the RPX Lite and CLLF boards
- */
-
-#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>
-
-
-#define WINDOW_ADDR 0xfe000000
-#define WINDOW_SIZE 0x800000
-
-static struct mtd_info *mymtd;
-
-__u8 rpxlite_read8(struct map_info *map, unsigned long ofs)
-{
- return readb(map->map_priv_1 * ofs);
-}
-
-__u16 rpxlite_read16(struct map_info *map, unsigned long ofs)
-{
- return readw(map->map_priv_1 + ofs);
-}
-
-__u32 rpxlite_read32(struct map_info *map, unsigned long ofs)
-{
- return readl(map->map_priv_1 + ofs);
-}
-
-void rpxlite_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
-{
- memcpy_fromio(to, (void *)(map->map_priv_1 + from), len);
-}
-
-void rpxlite_write8(struct map_info *map, __u8 d, unsigned long adr)
-{
- writeb(d, map->map_priv_1 + adr);
-}
-
-void rpxlite_write16(struct map_info *map, __u16 d, unsigned long adr)
-{
- writew(d, map->map_priv_1 + adr);
-}
-
-void rpxlite_write32(struct map_info *map, __u32 d, unsigned long adr)
-{
- writel(d, map->map_priv_1 + adr);
-}
-
-void rpxlite_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
-{
- memcpy_toio((void *)(map->map_priv_1 + to), from, len);
-}
-
-struct map_info rpxlite_map = {
- name: "RPX",
- size: WINDOW_SIZE,
- buswidth: 4,
- read8: rpxlite_read8,
- read16: rpxlite_read16,
- read32: rpxlite_read32,
- copy_from: rpxlite_copy_from,
- write8: rpxlite_write8,
- write16: rpxlite_write16,
- write32: rpxlite_write32,
- copy_to: rpxlite_copy_to
-};
-
-#if LINUX_VERSION_CODE < 0x20212 && defined(MODULE)
-#define init_rpxlite init_module
-#define cleanup_rpxlite cleanup_module
-#endif
-
-int __init init_rpxlite(void)
-{
- printk(KERN_NOTICE "RPX Lite or CLLF flash device: %x at %x\n", WINDOW_SIZE*4, WINDOW_ADDR);
- rpxlite_map.map_priv_1 = (unsigned long)ioremap(WINDOW_ADDR, WINDOW_SIZE * 4);
-
- if (!rpxlite_map.map_priv_1) {
- printk("Failed to ioremap\n");
- return -EIO;
- }
- mymtd = do_cfi_probe(&rpxlite_map);
- if (mymtd) {
-#ifdef MODULE
- mymtd->module = &__this_module;
-#endif
- add_mtd_device(mymtd);
- return 0;
- }
-
- iounmap((void *)rpxlite_map.map_priv_1);
- return -ENXIO;
-}
-
-static void __exit cleanup_rpxlite(void)
-{
- if (mymtd) {
- del_mtd_device(mymtd);
- map_destroy(mymtd);
- }
- if (rpxlite_map.map_priv_1) {
- iounmap((void *)rpxlite_map.map_priv_1);
- rpxlite_map.map_priv_1 = 0;
- }
-}
-
-module_init(init_rpxlite);
-module_exit(cleanup_rpxlite);
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