From 388a290343da898bb3770a39a74d695c05178b1c Mon Sep 17 00:00:00 2001 From: nbd Date: Sun, 16 May 2010 00:20:17 +0000 Subject: get rid of CRLF encoding in various files git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21462 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- tools/firmware-utils/src/nand_ecc.c | 408 ++++++++++++++++++------------------ 1 file changed, 204 insertions(+), 204 deletions(-) (limited to 'tools') diff --git a/tools/firmware-utils/src/nand_ecc.c b/tools/firmware-utils/src/nand_ecc.c index e270480d7..b1e930515 100644 --- a/tools/firmware-utils/src/nand_ecc.c +++ b/tools/firmware-utils/src/nand_ecc.c @@ -1,204 +1,204 @@ -/* - * calculate ecc code for nand flash - * - * Copyright (C) 2008 yajin - * Copyright (C) 2009 Felix Fietkau - * - * 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 or - * (at your option) version 3 of the License. - * - * 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 -#include -#include -#include -#include -#include -#include - -#define DEF_NAND_PAGE_SIZE 2048 -#define DEF_NAND_OOB_SIZE 64 -#define DEF_NAND_ECC_OFFSET 0x28 - -static int page_size = DEF_NAND_PAGE_SIZE; -static int oob_size = DEF_NAND_OOB_SIZE; -static int ecc_offset = DEF_NAND_ECC_OFFSET; - -/* - * Pre-calculated 256-way 1 byte column parity - */ -static const uint8_t nand_ecc_precalc_table[] = { - 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00, - 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, - 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, - 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, - 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, - 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, - 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, - 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, - 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, - 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, - 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, - 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, - 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, - 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, - 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, - 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00 -}; - -/** - * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256-byte block - * @dat: raw data - * @ecc_code: buffer for ECC - */ -int nand_calculate_ecc(const uint8_t *dat, - uint8_t *ecc_code) -{ - uint8_t idx, reg1, reg2, reg3, tmp1, tmp2; - int i; - - /* Initialize variables */ - reg1 = reg2 = reg3 = 0; - - /* Build up column parity */ - for(i = 0; i < 256; i++) { - /* Get CP0 - CP5 from table */ - idx = nand_ecc_precalc_table[*dat++]; - reg1 ^= (idx & 0x3f); - - /* All bit XOR = 1 ? */ - if (idx & 0x40) { - reg3 ^= (uint8_t) i; - reg2 ^= ~((uint8_t) i); - } - } - - /* Create non-inverted ECC code from line parity */ - tmp1 = (reg3 & 0x80) >> 0; /* B7 -> B7 */ - tmp1 |= (reg2 & 0x80) >> 1; /* B7 -> B6 */ - tmp1 |= (reg3 & 0x40) >> 1; /* B6 -> B5 */ - tmp1 |= (reg2 & 0x40) >> 2; /* B6 -> B4 */ - tmp1 |= (reg3 & 0x20) >> 2; /* B5 -> B3 */ - tmp1 |= (reg2 & 0x20) >> 3; /* B5 -> B2 */ - tmp1 |= (reg3 & 0x10) >> 3; /* B4 -> B1 */ - tmp1 |= (reg2 & 0x10) >> 4; /* B4 -> B0 */ - - tmp2 = (reg3 & 0x08) << 4; /* B3 -> B7 */ - tmp2 |= (reg2 & 0x08) << 3; /* B3 -> B6 */ - tmp2 |= (reg3 & 0x04) << 3; /* B2 -> B5 */ - tmp2 |= (reg2 & 0x04) << 2; /* B2 -> B4 */ - tmp2 |= (reg3 & 0x02) << 2; /* B1 -> B3 */ - tmp2 |= (reg2 & 0x02) << 1; /* B1 -> B2 */ - tmp2 |= (reg3 & 0x01) << 1; /* B0 -> B1 */ - tmp2 |= (reg2 & 0x01) << 0; /* B7 -> B0 */ - - /* Calculate final ECC code */ -#ifdef CONFIG_MTD_NAND_ECC_SMC - ecc_code[0] = ~tmp2; - ecc_code[1] = ~tmp1; -#else - ecc_code[0] = ~tmp1; - ecc_code[1] = ~tmp2; -#endif - ecc_code[2] = ((~reg1) << 2) | 0x03; - - return 0; -} - -/* - * usage: bb-nandflash-ecc start_address size - */ -void usage(const char *prog) -{ - fprintf(stderr, "Usage: %s [options] \n" - "Options:\n" - " -p NAND page size (default: %d)\n" - " -o NAND OOB size (default: %d)\n" - " -e NAND ECC offset (default: %d)\n" - "\n", prog, DEF_NAND_PAGE_SIZE, DEF_NAND_OOB_SIZE, - DEF_NAND_ECC_OFFSET); - exit(1); -} - -/*start_address/size does not include oob - */ -int main(int argc, char **argv) -{ - uint8_t *page_data = NULL; - uint8_t *ecc_data; - int infd = -1, outfd = -1; - int ret = 1; - ssize_t bytes; - int ch; - - while ((ch = getopt(argc, argv, "e:o:p:")) != -1) { - switch(ch) { - case 'p': - page_size = strtoul(optarg, NULL, 0); - break; - case 'o': - oob_size = strtoul(optarg, NULL, 0); - break; - case 'e': - ecc_offset = strtoul(optarg, NULL, 0); - break; - default: - usage(argv[0]); - } - } - argc -= optind; - if (argc < 2) - usage(argv[0]); - - argv += optind; - - infd = open(argv[0], O_RDONLY, 0); - if (infd < 0) { - perror("open input file"); - goto out; - } - - outfd = open(argv[1], O_WRONLY|O_CREAT|O_TRUNC, 0644); - if (outfd < 0) { - perror("open output file"); - goto out; - } - - page_data = malloc(page_size + oob_size); - - while ((bytes = read(infd, page_data, page_size)) == page_size) { - int j; - - ecc_data = page_data + page_size + ecc_offset; - for (j = 0; j < page_size / 256; j++) - { - nand_calculate_ecc(page_data + j * 256, ecc_data); - ecc_data += 3; - } - write(outfd, page_data, page_size + oob_size); - } - - ret = 0; -out: - if (infd >= 0) - close(infd); - if (outfd >= 0) - close(outfd); - if (page_data) - free(page_data); - return ret; -} - +/* + * calculate ecc code for nand flash + * + * Copyright (C) 2008 yajin + * Copyright (C) 2009 Felix Fietkau + * + * 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 or + * (at your option) version 3 of the License. + * + * 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 +#include +#include +#include +#include +#include +#include + +#define DEF_NAND_PAGE_SIZE 2048 +#define DEF_NAND_OOB_SIZE 64 +#define DEF_NAND_ECC_OFFSET 0x28 + +static int page_size = DEF_NAND_PAGE_SIZE; +static int oob_size = DEF_NAND_OOB_SIZE; +static int ecc_offset = DEF_NAND_ECC_OFFSET; + +/* + * Pre-calculated 256-way 1 byte column parity + */ +static const uint8_t nand_ecc_precalc_table[] = { + 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00, + 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, + 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, + 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, + 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, + 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, + 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, + 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, + 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, + 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, + 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, + 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, + 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, + 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, + 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, + 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00 +}; + +/** + * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256-byte block + * @dat: raw data + * @ecc_code: buffer for ECC + */ +int nand_calculate_ecc(const uint8_t *dat, + uint8_t *ecc_code) +{ + uint8_t idx, reg1, reg2, reg3, tmp1, tmp2; + int i; + + /* Initialize variables */ + reg1 = reg2 = reg3 = 0; + + /* Build up column parity */ + for(i = 0; i < 256; i++) { + /* Get CP0 - CP5 from table */ + idx = nand_ecc_precalc_table[*dat++]; + reg1 ^= (idx & 0x3f); + + /* All bit XOR = 1 ? */ + if (idx & 0x40) { + reg3 ^= (uint8_t) i; + reg2 ^= ~((uint8_t) i); + } + } + + /* Create non-inverted ECC code from line parity */ + tmp1 = (reg3 & 0x80) >> 0; /* B7 -> B7 */ + tmp1 |= (reg2 & 0x80) >> 1; /* B7 -> B6 */ + tmp1 |= (reg3 & 0x40) >> 1; /* B6 -> B5 */ + tmp1 |= (reg2 & 0x40) >> 2; /* B6 -> B4 */ + tmp1 |= (reg3 & 0x20) >> 2; /* B5 -> B3 */ + tmp1 |= (reg2 & 0x20) >> 3; /* B5 -> B2 */ + tmp1 |= (reg3 & 0x10) >> 3; /* B4 -> B1 */ + tmp1 |= (reg2 & 0x10) >> 4; /* B4 -> B0 */ + + tmp2 = (reg3 & 0x08) << 4; /* B3 -> B7 */ + tmp2 |= (reg2 & 0x08) << 3; /* B3 -> B6 */ + tmp2 |= (reg3 & 0x04) << 3; /* B2 -> B5 */ + tmp2 |= (reg2 & 0x04) << 2; /* B2 -> B4 */ + tmp2 |= (reg3 & 0x02) << 2; /* B1 -> B3 */ + tmp2 |= (reg2 & 0x02) << 1; /* B1 -> B2 */ + tmp2 |= (reg3 & 0x01) << 1; /* B0 -> B1 */ + tmp2 |= (reg2 & 0x01) << 0; /* B7 -> B0 */ + + /* Calculate final ECC code */ +#ifdef CONFIG_MTD_NAND_ECC_SMC + ecc_code[0] = ~tmp2; + ecc_code[1] = ~tmp1; +#else + ecc_code[0] = ~tmp1; + ecc_code[1] = ~tmp2; +#endif + ecc_code[2] = ((~reg1) << 2) | 0x03; + + return 0; +} + +/* + * usage: bb-nandflash-ecc start_address size + */ +void usage(const char *prog) +{ + fprintf(stderr, "Usage: %s [options] \n" + "Options:\n" + " -p NAND page size (default: %d)\n" + " -o NAND OOB size (default: %d)\n" + " -e NAND ECC offset (default: %d)\n" + "\n", prog, DEF_NAND_PAGE_SIZE, DEF_NAND_OOB_SIZE, + DEF_NAND_ECC_OFFSET); + exit(1); +} + +/*start_address/size does not include oob + */ +int main(int argc, char **argv) +{ + uint8_t *page_data = NULL; + uint8_t *ecc_data; + int infd = -1, outfd = -1; + int ret = 1; + ssize_t bytes; + int ch; + + while ((ch = getopt(argc, argv, "e:o:p:")) != -1) { + switch(ch) { + case 'p': + page_size = strtoul(optarg, NULL, 0); + break; + case 'o': + oob_size = strtoul(optarg, NULL, 0); + break; + case 'e': + ecc_offset = strtoul(optarg, NULL, 0); + break; + default: + usage(argv[0]); + } + } + argc -= optind; + if (argc < 2) + usage(argv[0]); + + argv += optind; + + infd = open(argv[0], O_RDONLY, 0); + if (infd < 0) { + perror("open input file"); + goto out; + } + + outfd = open(argv[1], O_WRONLY|O_CREAT|O_TRUNC, 0644); + if (outfd < 0) { + perror("open output file"); + goto out; + } + + page_data = malloc(page_size + oob_size); + + while ((bytes = read(infd, page_data, page_size)) == page_size) { + int j; + + ecc_data = page_data + page_size + ecc_offset; + for (j = 0; j < page_size / 256; j++) + { + nand_calculate_ecc(page_data + j * 256, ecc_data); + ecc_data += 3; + } + write(outfd, page_data, page_size + oob_size); + } + + ret = 0; +out: + if (infd >= 0) + close(infd); + if (outfd >= 0) + close(outfd); + if (page_data) + free(page_data); + return ret; +} + -- cgit v1.2.3