patch-2.4.6 linux/drivers/mtd/pnc2000.c
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- Lines: 137
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.4.5/linux/drivers/mtd/pnc2000.c
- Orig date:
Mon Dec 11 14:57:58 2000
diff -u --recursive --new-file v2.4.5/linux/drivers/mtd/pnc2000.c linux/drivers/mtd/pnc2000.c
@@ -1,136 +0,0 @@
-/*
- * pnc2000.c - mapper for Photron PNC-2000 board.
- *
- * Copyright (C) 2000 Crossnet Co. <info@crossnet.co.jp>
- *
- * This code is GPL
- *
- * $Id: pnc2000.c,v 1.4 2000/11/27 08:50:22 dwmw2 Exp $
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-
-#define WINDOW_ADDR 0xbf000000
-#define WINDOW_SIZE 0x00400000
-
-/*
- * MAP DRIVER STUFF
- */
-
-__u8 pnc_read8(struct map_info *map, unsigned long ofs)
-{
- return *(__u8 *)(WINDOW_ADDR + ofs);
-}
-
-__u16 pnc_read16(struct map_info *map, unsigned long ofs)
-{
- return *(__u16 *)(WINDOW_ADDR + ofs);
-}
-
-__u32 pnc_read32(struct map_info *map, unsigned long ofs)
-{
- return *(volatile unsigned int *)(WINDOW_ADDR + ofs);
-}
-
-void pnc_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
-{
- memcpy(to, (void *)(WINDOW_ADDR + from), len);
-}
-
-void pnc_write8(struct map_info *map, __u8 d, unsigned long adr)
-{
- *(__u8 *)(WINDOW_ADDR + adr) = d;
-}
-
-void pnc_write16(struct map_info *map, __u16 d, unsigned long adr)
-{
- *(__u16 *)(WINDOW_ADDR + adr) = d;
-}
-
-void pnc_write32(struct map_info *map, __u32 d, unsigned long adr)
-{
- *(__u32 *)(WINDOW_ADDR + adr) = d;
-}
-
-void pnc_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 pnc_map = {
- name: "PNC-2000",
- size: WINDOW_SIZE,
- buswidth: 4,
- read8: pnc_read8,
- read16: pnc_read16,
- read32: pnc_read32,
- copy_from: pnc_copy_from,
- write8: pnc_write8,
- write16: pnc_write16,
- write32: pnc_write32,
- copy_to: pnc_copy_to
-};
-
-
-/*
- * MTD 'PARTITIONING' STUFF
- */
-static struct mtd_partition pnc_partitions[3] = {
- {
- name: "PNC-2000 boot firmware",
- size: 0x20000,
- offset: 0
- },
- {
- name: "PNC-2000 kernel",
- size: 0x1a0000,
- offset: 0x20000
- },
- {
- name: "PNC-2000 filesystem",
- size: 0x240000,
- offset: 0x1c0000
- }
-};
-
-/*
- * This is the master MTD device for which all the others are just
- * auto-relocating aliases.
- */
-static struct mtd_info *mymtd;
-
-#if LINUX_VERSION_CODE < 0x20212 && defined(MODULE)
-#define init_pnc init_module
-#define cleanup_pnc cleanup_module
-#endif
-
-int __init init_pnc(void)
-{
- printk(KERN_NOTICE "Photron PNC-2000 flash mapping: %x at %x\n", WINDOW_SIZE, WINDOW_ADDR);
-
- mymtd = do_cfi_probe(&pnc_map);
- if (mymtd) {
- mymtd->module = THIS_MODULE;
- return add_mtd_partitions(mymtd, pnc_partitions, 3);
- }
-
- return -ENXIO;
-}
-
-static void __exit cleanup_pnc(void)
-{
- if (mymtd) {
- del_mtd_partitions(mymtd);
- map_destroy(mymtd);
- }
-}
-
-module_init(init_pnc);
-module_exit(cleanup_pnc);
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