added boot script files to repository

1 files changed, 0 insertions, 452 deletions

diff --git a/common/env_nand.c b/common/env_nand.c
deleted file mode 100644
index f25a31c..0000000
--- a/common/env_nand.c
+++ /dev/null
@@ -1,452 +0,0 @@
-/*
- * (C) Copyright 2000-2010
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2008
- * Stuart Wood, Lab X Technologies <stuart.wood@labxtechnologies.com>
- *
- * (C) Copyright 2004
- * Jian Zhang, Texas Instruments, jzhang@ti.com.
- *
- * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Andreas Heppel <aheppel@sysgo.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 as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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
- */
-
-#define DEBUG
-
-#include <common.h>
-#include <command.h>
-#include <environment.h>
-#include <linux/stddef.h>
-#include <malloc.h>
-#include <nand.h>
-#include <search.h>
-#include <errno.h>
-
-#if defined(CONFIG_CMD_SAVEENV) && defined(CONFIG_CMD_NAND)
-#define CMD_SAVEENV
-#elif defined(CONFIG_ENV_OFFSET_REDUND)
-#error Cannot use CONFIG_ENV_OFFSET_REDUND without CONFIG_CMD_SAVEENV & CONFIG_CMD_NAND
-#endif
-
-#if defined(CONFIG_ENV_SIZE_REDUND) && (CONFIG_ENV_SIZE_REDUND != CONFIG_ENV_SIZE)
-#error CONFIG_ENV_SIZE_REDUND should be the same as CONFIG_ENV_SIZE
-#endif
-
-#ifndef CONFIG_ENV_RANGE
-#define CONFIG_ENV_RANGE	CONFIG_ENV_SIZE
-#endif
-
-/* references to names in env_common.c */
-extern uchar default_environment[];
-
-char *env_name_spec = "NAND";
-
-
-#if defined(ENV_IS_EMBEDDED)
-extern uchar environment[];
-env_t *env_ptr = (env_t *)(&environment[0]);
-#elif defined(CONFIG_NAND_ENV_DST)
-env_t *env_ptr = (env_t *)CONFIG_NAND_ENV_DST;
-#else /* ! ENV_IS_EMBEDDED */
-env_t *env_ptr = 0;
-#endif /* ENV_IS_EMBEDDED */
-
-DECLARE_GLOBAL_DATA_PTR;
-
-uchar env_get_char_spec (int index)
-{
-	return ( *((uchar *)(gd->env_addr + index)) );
-}
-
-/*
- * This is called before nand_init() so we can't read NAND to
- * validate env data.
- *
- * Mark it OK for now. env_relocate() in env_common.c will call our
- * relocate function which does the real validation.
- *
- * When using a NAND boot image (like sequoia_nand), the environment
- * can be embedded or attached to the U-Boot image in NAND flash.
- * This way the SPL loads not only the U-Boot image from NAND but
- * also the environment.
- */
-int env_init(void)
-{
-#if defined(ENV_IS_EMBEDDED) || defined(CONFIG_NAND_ENV_DST)
-	int crc1_ok = 0, crc2_ok = 0;
-	env_t *tmp_env1;
-
-#ifdef CONFIG_ENV_OFFSET_REDUND
-	env_t *tmp_env2;
-
-	tmp_env2 = (env_t *)((ulong)env_ptr + CONFIG_ENV_SIZE);
-	crc2_ok = (crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc);
-#endif
-
-	tmp_env1 = env_ptr;
-
-	crc1_ok = (crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc);
-
-	if (!crc1_ok && !crc2_ok) {
-		gd->env_addr  = 0;
-		gd->env_valid = 0;
-
-		return 0;
-	} else if (crc1_ok && !crc2_ok) {
-		gd->env_valid = 1;
-	}
-#ifdef CONFIG_ENV_OFFSET_REDUND
-	else if (!crc1_ok && crc2_ok) {
-		gd->env_valid = 2;
-	} else {
-		/* both ok - check serial */
-		if(tmp_env1->flags == 255 && tmp_env2->flags == 0)
-			gd->env_valid = 2;
-		else if(tmp_env2->flags == 255 && tmp_env1->flags == 0)
-			gd->env_valid = 1;
-		else if(tmp_env1->flags > tmp_env2->flags)
-			gd->env_valid = 1;
-		else if(tmp_env2->flags > tmp_env1->flags)
-			gd->env_valid = 2;
-		else /* flags are equal - almost impossible */
-			gd->env_valid = 1;
-	}
-
-	if (gd->env_valid == 2)
-		env_ptr = tmp_env2;
-	else
-#endif
-	if (gd->env_valid == 1)
-		env_ptr = tmp_env1;
-
-	gd->env_addr = (ulong)env_ptr->data;
-
-#else /* ENV_IS_EMBEDDED || CONFIG_NAND_ENV_DST */
-	gd->env_addr  = (ulong)&default_environment[0];
-	gd->env_valid = 1;
-#endif /* ENV_IS_EMBEDDED || CONFIG_NAND_ENV_DST */
-
-	return (0);
-}
-
-#ifdef CMD_SAVEENV
-/*
- * The legacy NAND code saved the environment in the first NAND device i.e.,
- * nand_dev_desc + 0. This is also the behaviour using the new NAND code.
- */
-int writeenv(size_t offset, u_char *buf)
-{
-	size_t end = offset + CONFIG_ENV_RANGE;
-	size_t amount_saved = 0;
-	size_t blocksize, len;
-
-	u_char *char_ptr;
-
-	blocksize = nand_info[0].erasesize;
-	len = min(blocksize, CONFIG_ENV_SIZE);
-
-	while (amount_saved < CONFIG_ENV_SIZE && offset < end) {
-		if (nand_block_isbad(&nand_info[0], offset)) {
-			offset += blocksize;
-		} else {
-			char_ptr = &buf[amount_saved];
-			if (nand_write(&nand_info[0], offset, &len,
-					char_ptr))
-				return 1;
-			offset += blocksize;
-			amount_saved += len;
-		}
-	}
-	if (amount_saved != CONFIG_ENV_SIZE)
-		return 1;
-
-	return 0;
-}
-
-#ifdef CONFIG_ENV_OFFSET_REDUND
-static unsigned char env_flags;
-
-int saveenv(void)
-{
-	env_t	env_new;
-	ssize_t	len;
-	char	*res;
-	int	ret = 0;
-	nand_erase_options_t nand_erase_options;
-
-	nand_erase_options.length = CONFIG_ENV_RANGE;
-	nand_erase_options.quiet = 0;
-	nand_erase_options.jffs2 = 0;
-	nand_erase_options.scrub = 0;
-
-	if (CONFIG_ENV_RANGE < CONFIG_ENV_SIZE)
-		return 1;
-
-	res = (char *)&env_new.data;
-	len = hexport_r(&env_htab, '\0', &res, ENV_SIZE);
-	if (len < 0) {
-		error("Cannot export environment: errno = %d\n", errno);
-		return 1;
-	}
-	env_new.crc   = crc32(0, env_new.data, ENV_SIZE);
-	env_new.flags = ++env_flags; /* increase the serial */
-
-	if(gd->env_valid == 1) {
-		puts("Erasing redundant NAND...\n");
-		nand_erase_options.offset = CONFIG_ENV_OFFSET_REDUND;
-		if (nand_erase_opts(&nand_info[0], &nand_erase_options))
-			return 1;
-
-		puts("Writing to redundant NAND... ");
-		ret = writeenv(CONFIG_ENV_OFFSET_REDUND,
-			(u_char *)&env_new);
-	} else {
-		puts("Erasing NAND...\n");
-		nand_erase_options.offset = CONFIG_ENV_OFFSET;
-		if (nand_erase_opts(&nand_info[0], &nand_erase_options))
-			return 1;
-
-		puts("Writing to NAND... ");
-		ret = writeenv(CONFIG_ENV_OFFSET,
-			(u_char *)&env_new);
-	}
-	if (ret) {
-		puts("FAILED!\n");
-		return 1;
-	}
-
-	puts("done\n");
-
-	gd->env_valid = (gd->env_valid == 2 ? 1 : 2);
-
-	return ret;
-}
-#else /* ! CONFIG_ENV_OFFSET_REDUND */
-int saveenv(void)
-{
-	int ret = 0;
-	env_t	env_new;
-	ssize_t	len;
-	char	*res;
-	nand_erase_options_t nand_erase_options;
-
-	nand_erase_options.length = CONFIG_ENV_RANGE;
-	nand_erase_options.quiet = 0;
-	nand_erase_options.jffs2 = 0;
-	nand_erase_options.scrub = 0;
-	nand_erase_options.offset = CONFIG_ENV_OFFSET;
-
-	if (CONFIG_ENV_RANGE < CONFIG_ENV_SIZE)
-		return 1;
-
-	res = (char *)&env_new.data;
-	len = hexport_r(&env_htab, '\0', &res, ENV_SIZE);
-	if (len < 0) {
-		error("Cannot export environment: errno = %d\n", errno);
-		return 1;
-	}
-	env_new.crc   = crc32(0, env_new.data, ENV_SIZE);
-
-	puts("Erasing Nand...\n");
-	if (nand_erase_opts(&nand_info[0], &nand_erase_options))
-		return 1;
-
-	puts("Writing to Nand... ");
-	if (writeenv(CONFIG_ENV_OFFSET, (u_char *)&env_new)) {
-		puts("FAILED!\n");
-		return 1;
-	}
-
-	puts("done\n");
-	return ret;
-}
-#endif /* CONFIG_ENV_OFFSET_REDUND */
-#endif /* CMD_SAVEENV */
-
-int readenv(size_t offset, u_char * buf)
-{
-	size_t end = offset + CONFIG_ENV_RANGE;
-	size_t amount_loaded = 0;
-	size_t blocksize, len;
-
-	u_char *char_ptr;
-
-	/* fail if no nand detected */
-	if (nand_info[0].type == 0)
-		return 1;
-
-	blocksize = nand_info[0].erasesize;
-	if (!blocksize)
-		return 1;
-	len = min(blocksize, CONFIG_ENV_SIZE);
-
-	while (amount_loaded < CONFIG_ENV_SIZE && offset < end) {
-		if (nand_block_isbad(&nand_info[0], offset)) {
-			offset += blocksize;
-		} else {
-			char_ptr = &buf[amount_loaded];
-			if (nand_read_skip_bad(&nand_info[0], offset, &len, char_ptr))
-				return 1;
-			offset += blocksize;
-			amount_loaded += len;
-		}
-	}
-	if (amount_loaded != CONFIG_ENV_SIZE)
-		return 1;
-
-	return 0;
-}
-
-#ifdef CONFIG_ENV_OFFSET_OOB
-int get_nand_env_oob(nand_info_t *nand, unsigned long *result)
-{
-	struct mtd_oob_ops ops;
-	uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)];
-	int ret;
-
-	ops.datbuf = NULL;
-	ops.mode = MTD_OOB_AUTO;
-	ops.ooboffs = 0;
-	ops.ooblen = ENV_OFFSET_SIZE;
-	ops.oobbuf = (void *) oob_buf;
-
-	ret = nand->read_oob(nand, ENV_OFFSET_SIZE, &ops);
-	if (ret) {
-		printf("error reading OOB block 0\n");
-		return ret;
-	}
-
-	if (oob_buf[0] == ENV_OOB_MARKER) {
-		*result = oob_buf[1] * nand->erasesize;
-	} else if (oob_buf[0] == ENV_OOB_MARKER_OLD) {
-		*result = oob_buf[1];
-	} else {
-		printf("No dynamic environment marker in OOB block 0\n");
-		return -ENOENT;
-	}
-
-	return 0;
-}
-#endif
-
-#ifdef CONFIG_ENV_OFFSET_REDUND
-void env_relocate_spec(void)
-{
-#if !defined(ENV_IS_EMBEDDED)
-	int crc1_ok = 0, crc2_ok = 0;
-	env_t *ep, *tmp_env1, *tmp_env2;
-
-	tmp_env1 = (env_t *)malloc(CONFIG_ENV_SIZE);
-	tmp_env2 = (env_t *)malloc(CONFIG_ENV_SIZE);
-
-	if ((tmp_env1 == NULL) || (tmp_env2 == NULL)) {
-		puts("Can't allocate buffers for environment\n");
-		free(tmp_env1);
-		free(tmp_env2);
-		set_default_env("!malloc() failed");
-		return;
-	}
-
-	if (readenv(CONFIG_ENV_OFFSET, (u_char *) tmp_env1))
-		puts("No Valid Environment Area found\n");
-
-	if (readenv(CONFIG_ENV_OFFSET_REDUND, (u_char *) tmp_env2))
-		puts("No Valid Redundant Environment Area found\n");
-
-	crc1_ok = (crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc);
-	crc2_ok = (crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc);
-
-	if (!crc1_ok && !crc2_ok) {
-		free(tmp_env1);
-		free(tmp_env2);
-		set_default_env("!bad CRC");
-		return;
-	} else if (crc1_ok && !crc2_ok) {
-		gd->env_valid = 1;
-	} else if (!crc1_ok && crc2_ok) {
-		gd->env_valid = 2;
-	} else {
-		/* both ok - check serial */
-		if (tmp_env1->flags == 255 && tmp_env2->flags == 0)
-			gd->env_valid = 2;
-		else if (tmp_env2->flags == 255 && tmp_env1->flags == 0)
-			gd->env_valid = 1;
-		else if (tmp_env1->flags > tmp_env2->flags)
-			gd->env_valid = 1;
-		else if (tmp_env2->flags > tmp_env1->flags)
-			gd->env_valid = 2;
-		else /* flags are equal - almost impossible */
-			gd->env_valid = 1;
-
-	}
-
-	free(env_ptr);
-
-	if (gd->env_valid == 1)
-		ep = tmp_env1;
-	else
-		ep = tmp_env2;
-
-	env_flags = ep->flags;
-	env_import((char *)ep, 0);
-
-	free(tmp_env1);
-	free(tmp_env2);
-
-#endif /* ! ENV_IS_EMBEDDED */
-}
-#else /* ! CONFIG_ENV_OFFSET_REDUND */
-/*
- * The legacy NAND code saved the environment in the first NAND
- * device i.e., nand_dev_desc + 0. This is also the behaviour using
- * the new NAND code.
- */
-void env_relocate_spec (void)
-{
-#if !defined(ENV_IS_EMBEDDED)
-	int ret;
-	char buf[CONFIG_ENV_SIZE];
-
-#if defined(CONFIG_ENV_OFFSET_OOB)
-	ret = get_nand_env_oob(&nand_info[0], &nand_env_oob_offset);
-	/*
-	 * If unable to read environment offset from NAND OOB then fall through
-	 * to the normal environment reading code below
-	 */
-	if (!ret) {
-		printf("Found Environment offset in OOB..\n");
-	} else {
-		set_default_env("!no env offset in OOB");
-		return;
-	}
-#endif
-
-	ret = readenv(CONFIG_ENV_OFFSET, (u_char *)buf);
-	if (ret) {
-		set_default_env("!readenv() failed");
-		return;
-	}
-
-	env_import(buf, 1);
-#endif /* ! ENV_IS_EMBEDDED */
-}
-#endif /* CONFIG_ENV_OFFSET_REDUND */