License cleanup: remove all files with "All Rights Reserved" notices.GPL-Cleanup

"All Rights Reserved" conflicts with the GPL.

Signed-off-by: Wolfgang Denk <wd@denx.de>

1 files changed, 0 insertions, 611 deletions

diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c
deleted file mode 100644
index bec927706f..0000000000
--- a/drivers/mtd/nand/nand_util.c
+++ /dev/null
@@ -1,611 +0,0 @@
-/*
- * drivers/mtd/nand/nand_util.c
- *
- * Copyright (C) 2006 by Weiss-Electronic GmbH.
- * All rights reserved.
- *
- * @author:	Guido Classen <clagix@gmail.com>
- * @descr:	NAND Flash support
- * @references: borrowed heavily from Linux mtd-utils code:
- *		flash_eraseall.c by Arcom Control System Ltd
- *		nandwrite.c by Steven J. Hill (sjhill@realitydiluted.com)
- *			       and Thomas Gleixner (tglx@linutronix.de)
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version
- * 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-
-#include <common.h>
-#include <command.h>
-#include <watchdog.h>
-#include <malloc.h>
-#include <div64.h>
-
-#include <asm/errno.h>
-#include <linux/mtd/mtd.h>
-#include <nand.h>
-#include <jffs2/jffs2.h>
-
-#if !defined(CONFIG_SYS_64BIT_VSPRINTF)
-#warning Please define CONFIG_SYS_64BIT_VSPRINTF for correct output!
-#endif
-
-typedef struct erase_info erase_info_t;
-typedef struct mtd_info	  mtd_info_t;
-
-/* support only for native endian JFFS2 */
-#define cpu_to_je16(x) (x)
-#define cpu_to_je32(x) (x)
-
-/*****************************************************************************/
-static int nand_block_bad_scrub(struct mtd_info *mtd, loff_t ofs, int getchip)
-{
-	return 0;
-}
-
-/**
- * nand_erase_opts: - erase NAND flash with support for various options
- *		      (jffs2 formating)
- *
- * @param meminfo	NAND device to erase
- * @param opts		options,  @see struct nand_erase_options
- * @return		0 in case of success
- *
- * This code is ported from flash_eraseall.c from Linux mtd utils by
- * Arcom Control System Ltd.
- */
-int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts)
-{
-	struct jffs2_unknown_node cleanmarker;
-	erase_info_t erase;
-	ulong erase_length;
-	int bbtest = 1;
-	int result;
-	int percent_complete = -1;
-	int (*nand_block_bad_old)(struct mtd_info *, loff_t, int) = NULL;
-	const char *mtd_device = meminfo->name;
-	struct mtd_oob_ops oob_opts;
-	struct nand_chip *chip = meminfo->priv;
-
-	memset(&erase, 0, sizeof(erase));
-	memset(&oob_opts, 0, sizeof(oob_opts));
-
-	erase.mtd = meminfo;
-	erase.len  = meminfo->erasesize;
-	erase.addr = opts->offset;
-	erase_length = opts->length;
-
-	cleanmarker.magic = cpu_to_je16 (JFFS2_MAGIC_BITMASK);
-	cleanmarker.nodetype = cpu_to_je16 (JFFS2_NODETYPE_CLEANMARKER);
-	cleanmarker.totlen = cpu_to_je32(8);
-
-	/* scrub option allows to erase badblock. To prevent internal
-	 * check from erase() method, set block check method to dummy
-	 * and disable bad block table while erasing.
-	 */
-	if (opts->scrub) {
-		struct nand_chip *priv_nand = meminfo->priv;
-
-		nand_block_bad_old = priv_nand->block_bad;
-		priv_nand->block_bad = nand_block_bad_scrub;
-		/* we don't need the bad block table anymore...
-		 * after scrub, there are no bad blocks left!
-		 */
-		if (priv_nand->bbt) {
-			kfree(priv_nand->bbt);
-		}
-		priv_nand->bbt = NULL;
-	}
-
-	if (erase_length < meminfo->erasesize) {
-		printf("Warning: Erase size 0x%08lx smaller than one "	\
-		       "erase block 0x%08x\n",erase_length, meminfo->erasesize);
-		printf("         Erasing 0x%08x instead\n", meminfo->erasesize);
-		erase_length = meminfo->erasesize;
-	}
-
-	for (;
-	     erase.addr < opts->offset + erase_length;
-	     erase.addr += meminfo->erasesize) {
-
-		WATCHDOG_RESET ();
-
-		if (!opts->scrub && bbtest) {
-			int ret = meminfo->block_isbad(meminfo, erase.addr);
-			if (ret > 0) {
-				if (!opts->quiet)
-					printf("\rSkipping bad block at  "
-					       "0x%08llx                 "
-					       "                         \n",
-					       erase.addr);
-				continue;
-
-			} else if (ret < 0) {
-				printf("\n%s: MTD get bad block failed: %d\n",
-				       mtd_device,
-				       ret);
-				return -1;
-			}
-		}
-
-		result = meminfo->erase(meminfo, &erase);
-		if (result != 0) {
-			printf("\n%s: MTD Erase failure: %d\n",
-			       mtd_device, result);
-			continue;
-		}
-
-		/* format for JFFS2 ? */
-		if (opts->jffs2 && chip->ecc.layout->oobavail >= 8) {
-			chip->ops.ooblen = 8;
-			chip->ops.datbuf = NULL;
-			chip->ops.oobbuf = (uint8_t *)&cleanmarker;
-			chip->ops.ooboffs = 0;
-			chip->ops.mode = MTD_OOB_AUTO;
-
-			result = meminfo->write_oob(meminfo,
-			                            erase.addr,
-			                            &chip->ops);
-			if (result != 0) {
-				printf("\n%s: MTD writeoob failure: %d\n",
-				       mtd_device, result);
-				continue;
-			}
-		}
-
-		if (!opts->quiet) {
-			unsigned long long n =(unsigned long long)
-				(erase.addr + meminfo->erasesize - opts->offset)
-				* 100;
-			int percent;
-
-			do_div(n, erase_length);
-			percent = (int)n;
-
-			/* output progress message only at whole percent
-			 * steps to reduce the number of messages printed
-			 * on (slow) serial consoles
-			 */
-			if (percent != percent_complete) {
-				percent_complete = percent;
-
-				printf("\rErasing at 0x%llx -- %3d%% complete.",
-				       erase.addr, percent);
-
-				if (opts->jffs2 && result == 0)
-					printf(" Cleanmarker written at 0x%llx.",
-					       erase.addr);
-			}
-		}
-	}
-	if (!opts->quiet)
-		printf("\n");
-
-	if (nand_block_bad_old) {
-		struct nand_chip *priv_nand = meminfo->priv;
-
-		priv_nand->block_bad = nand_block_bad_old;
-		priv_nand->scan_bbt(meminfo);
-	}
-
-	return 0;
-}
-
-/* XXX U-BOOT XXX */
-#if 0
-
-#define MAX_PAGE_SIZE	2048
-#define MAX_OOB_SIZE	64
-
-/*
- * buffer array used for writing data
- */
-static unsigned char data_buf[MAX_PAGE_SIZE];
-static unsigned char oob_buf[MAX_OOB_SIZE];
-
-/* OOB layouts to pass into the kernel as default */
-static struct nand_ecclayout none_ecclayout = {
-	.useecc = MTD_NANDECC_OFF,
-};
-
-static struct nand_ecclayout jffs2_ecclayout = {
-	.useecc = MTD_NANDECC_PLACE,
-	.eccbytes = 6,
-	.eccpos = { 0, 1, 2, 3, 6, 7 }
-};
-
-static struct nand_ecclayout yaffs_ecclayout = {
-	.useecc = MTD_NANDECC_PLACE,
-	.eccbytes = 6,
-	.eccpos = { 8, 9, 10, 13, 14, 15}
-};
-
-static struct nand_ecclayout autoplace_ecclayout = {
-	.useecc = MTD_NANDECC_AUTOPLACE
-};
-#endif
-
-/* XXX U-BOOT XXX */
-#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
-
-/******************************************************************************
- * Support for locking / unlocking operations of some NAND devices
- *****************************************************************************/
-
-#define NAND_CMD_LOCK		0x2a
-#define NAND_CMD_LOCK_TIGHT	0x2c
-#define NAND_CMD_UNLOCK1	0x23
-#define NAND_CMD_UNLOCK2	0x24
-#define NAND_CMD_LOCK_STATUS	0x7a
-
-/**
- * nand_lock: Set all pages of NAND flash chip to the LOCK or LOCK-TIGHT
- *	      state
- *
- * @param mtd		nand mtd instance
- * @param tight		bring device in lock tight mode
- *
- * @return		0 on success, -1 in case of error
- *
- * The lock / lock-tight command only applies to the whole chip. To get some
- * parts of the chip lock and others unlocked use the following sequence:
- *
- * - Lock all pages of the chip using nand_lock(mtd, 0) (or the lockpre pin)
- * - Call nand_unlock() once for each consecutive area to be unlocked
- * - If desired: Bring the chip to the lock-tight state using nand_lock(mtd, 1)
- *
- *   If the device is in lock-tight state software can't change the
- *   current active lock/unlock state of all pages. nand_lock() / nand_unlock()
- *   calls will fail. It is only posible to leave lock-tight state by
- *   an hardware signal (low pulse on _WP pin) or by power down.
- */
-int nand_lock(struct mtd_info *mtd, int tight)
-{
-	int ret = 0;
-	int status;
-	struct nand_chip *chip = mtd->priv;
-
-	/* select the NAND device */
-	chip->select_chip(mtd, 0);
-
-	chip->cmdfunc(mtd,
-		      (tight ? NAND_CMD_LOCK_TIGHT : NAND_CMD_LOCK),
-		      -1, -1);
-
-	/* call wait ready function */
-	status = chip->waitfunc(mtd, chip);
-
-	/* see if device thinks it succeeded */
-	if (status & 0x01) {
-		ret = -1;
-	}
-
-	/* de-select the NAND device */
-	chip->select_chip(mtd, -1);
-	return ret;
-}
-
-/**
- * nand_get_lock_status: - query current lock state from one page of NAND
- *			   flash
- *
- * @param mtd		nand mtd instance
- * @param offset	page address to query (muss be page aligned!)
- *
- * @return		-1 in case of error
- *			>0 lock status:
- *			  bitfield with the following combinations:
- *			  NAND_LOCK_STATUS_TIGHT: page in tight state
- *			  NAND_LOCK_STATUS_LOCK:  page locked
- *			  NAND_LOCK_STATUS_UNLOCK: page unlocked
- *
- */
-int nand_get_lock_status(struct mtd_info *mtd, loff_t offset)
-{
-	int ret = 0;
-	int chipnr;
-	int page;
-	struct nand_chip *chip = mtd->priv;
-
-	/* select the NAND device */
-	chipnr = (int)(offset >> chip->chip_shift);
-	chip->select_chip(mtd, chipnr);
-
-
-	if ((offset & (mtd->writesize - 1)) != 0) {
-		printf ("nand_get_lock_status: "
-			"Start address must be beginning of "
-			"nand page!\n");
-		ret = -1;
-		goto out;
-	}
-
-	/* check the Lock Status */
-	page = (int)(offset >> chip->page_shift);
-	chip->cmdfunc(mtd, NAND_CMD_LOCK_STATUS, -1, page & chip->pagemask);
-
-	ret = chip->read_byte(mtd) & (NAND_LOCK_STATUS_TIGHT
-					  | NAND_LOCK_STATUS_LOCK
-					  | NAND_LOCK_STATUS_UNLOCK);
-
- out:
-	/* de-select the NAND device */
-	chip->select_chip(mtd, -1);
-	return ret;
-}
-
-/**
- * nand_unlock: - Unlock area of NAND pages
- *		  only one consecutive area can be unlocked at one time!
- *
- * @param mtd		nand mtd instance
- * @param start		start byte address
- * @param length	number of bytes to unlock (must be a multiple of
- *			page size nand->writesize)
- *
- * @return		0 on success, -1 in case of error
- */
-int nand_unlock(struct mtd_info *mtd, ulong start, ulong length)
-{
-	int ret = 0;
-	int chipnr;
-	int status;
-	int page;
-	struct nand_chip *chip = mtd->priv;
-	printf ("nand_unlock: start: %08x, length: %d!\n",
-		(int)start, (int)length);
-
-	/* select the NAND device */
-	chipnr = (int)(start >> chip->chip_shift);
-	chip->select_chip(mtd, chipnr);
-
-	/* check the WP bit */
-	chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
-	if (!(chip->read_byte(mtd) & NAND_STATUS_WP)) {
-		printf ("nand_unlock: Device is write protected!\n");
-		ret = -1;
-		goto out;
-	}
-
-	if ((start & (mtd->erasesize - 1)) != 0) {
-		printf ("nand_unlock: Start address must be beginning of "
-			"nand block!\n");
-		ret = -1;
-		goto out;
-	}
-
-	if (length == 0 || (length & (mtd->erasesize - 1)) != 0) {
-		printf ("nand_unlock: Length must be a multiple of nand block "
-			"size %08x!\n", mtd->erasesize);
-		ret = -1;
-		goto out;
-	}
-
-	/*
-	 * Set length so that the last address is set to the
-	 * starting address of the last block
-	 */
-	length -= mtd->erasesize;
-
-	/* submit address of first page to unlock */
-	page = (int)(start >> chip->page_shift);
-	chip->cmdfunc(mtd, NAND_CMD_UNLOCK1, -1, page & chip->pagemask);
-
-	/* submit ADDRESS of LAST page to unlock */
-	page += (int)(length >> chip->page_shift);
-	chip->cmdfunc(mtd, NAND_CMD_UNLOCK2, -1, page & chip->pagemask);
-
-	/* call wait ready function */
-	status = chip->waitfunc(mtd, chip);
-	/* see if device thinks it succeeded */
-	if (status & 0x01) {
-		/* there was an error */
-		ret = -1;
-		goto out;
-	}
-
- out:
-	/* de-select the NAND device */
-	chip->select_chip(mtd, -1);
-	return ret;
-}
-#endif
-
-/**
- * get_len_incl_bad
- *
- * Check if length including bad blocks fits into device.
- *
- * @param nand NAND device
- * @param offset offset in flash
- * @param length image length
- * @return image length including bad blocks
- */
-static size_t get_len_incl_bad (nand_info_t *nand, loff_t offset,
-				const size_t length)
-{
-	size_t len_incl_bad = 0;
-	size_t len_excl_bad = 0;
-	size_t block_len;
-
-	while (len_excl_bad < length) {
-		block_len = nand->erasesize - (offset & (nand->erasesize - 1));
-
-		if (!nand_block_isbad (nand, offset & ~(nand->erasesize - 1)))
-			len_excl_bad += block_len;
-
-		len_incl_bad += block_len;
-		offset       += block_len;
-
-		if ((offset + len_incl_bad) >= nand->size)
-			break;
-	}
-
-	return len_incl_bad;
-}
-
-/**
- * nand_write_skip_bad:
- *
- * Write image to NAND flash.
- * Blocks that are marked bad are skipped and the is written to the next
- * block instead as long as the image is short enough to fit even after
- * skipping the bad blocks.
- *
- * @param nand  	NAND device
- * @param offset	offset in flash
- * @param length	buffer length
- * @param buf           buffer to read from
- * @return		0 in case of success
- */
-int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
-			u_char *buffer)
-{
-	int rval;
-	size_t left_to_write = *length;
-	size_t len_incl_bad;
-	u_char *p_buffer = buffer;
-
-	/* Reject writes, which are not page aligned */
-	if ((offset & (nand->writesize - 1)) != 0 ||
-	    (*length & (nand->writesize - 1)) != 0) {
-		printf ("Attempt to write non page aligned data\n");
-		return -EINVAL;
-	}
-
-	len_incl_bad = get_len_incl_bad (nand, offset, *length);
-
-	if ((offset + len_incl_bad) >= nand->size) {
-		printf ("Attempt to write outside the flash area\n");
-		return -EINVAL;
-	}
-
-	if (len_incl_bad == *length) {
-		rval = nand_write (nand, offset, length, buffer);
-		if (rval != 0)
-			printf ("NAND write to offset %llx failed %d\n",
-				offset, rval);
-
-		return rval;
-	}
-
-	while (left_to_write > 0) {
-		size_t block_offset = offset & (nand->erasesize - 1);
-		size_t write_size;
-
-		WATCHDOG_RESET ();
-
-		if (nand_block_isbad (nand, offset & ~(nand->erasesize - 1))) {
-			printf ("Skip bad block 0x%08llx\n",
-				offset & ~(nand->erasesize - 1));
-			offset += nand->erasesize - block_offset;
-			continue;
-		}
-
-		if (left_to_write < (nand->erasesize - block_offset))
-			write_size = left_to_write;
-		else
-			write_size = nand->erasesize - block_offset;
-
-		rval = nand_write (nand, offset, &write_size, p_buffer);
-		if (rval != 0) {
-			printf ("NAND write to offset %llx failed %d\n",
-				offset, rval);
-			*length -= left_to_write;
-			return rval;
-		}
-
-		left_to_write -= write_size;
-		offset        += write_size;
-		p_buffer      += write_size;
-	}
-
-	return 0;
-}
-
-/**
- * nand_read_skip_bad:
- *
- * Read image from NAND flash.
- * Blocks that are marked bad are skipped and the next block is readen
- * instead as long as the image is short enough to fit even after skipping the
- * bad blocks.
- *
- * @param nand NAND device
- * @param offset offset in flash
- * @param length buffer length, on return holds remaining bytes to read
- * @param buffer buffer to write to
- * @return 0 in case of success
- */
-int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
-		       u_char *buffer)
-{
-	int rval;
-	size_t left_to_read = *length;
-	size_t len_incl_bad;
-	u_char *p_buffer = buffer;
-
-	len_incl_bad = get_len_incl_bad (nand, offset, *length);
-
-	if ((offset + len_incl_bad) >= nand->size) {
-		printf ("Attempt to read outside the flash area\n");
-		return -EINVAL;
-	}
-
-	if (len_incl_bad == *length) {
-		rval = nand_read (nand, offset, length, buffer);
-		if (!rval || rval == -EUCLEAN)
-			return 0;
-		printf ("NAND read from offset %llx failed %d\n",
-			offset, rval);
-		return rval;
-	}
-
-	while (left_to_read > 0) {
-		size_t block_offset = offset & (nand->erasesize - 1);
-		size_t read_length;
-
-		WATCHDOG_RESET ();
-
-		if (nand_block_isbad (nand, offset & ~(nand->erasesize - 1))) {
-			printf ("Skipping bad block 0x%08llx\n",
-				offset & ~(nand->erasesize - 1));
-			offset += nand->erasesize - block_offset;
-			continue;
-		}
-
-		if (left_to_read < (nand->erasesize - block_offset))
-			read_length = left_to_read;
-		else
-			read_length = nand->erasesize - block_offset;
-
-		rval = nand_read (nand, offset, &read_length, p_buffer);
-		if (rval && rval != -EUCLEAN) {
-			printf ("NAND read from offset %llx failed %d\n",
-				offset, rval);
-			*length -= left_to_read;
-			return rval;
-		}
-
-		left_to_read -= read_length;
-		offset       += read_length;
-		p_buffer     += read_length;
-	}
-
-	return 0;
-}