X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fenv_nand.c;h=ca631af195b1d30b9c575bc0d9368322e09e31eb;hb=b097d552bc9ee0351bb0c3d1219856e845df59f9;hp=89540177048a54e930c98390b1e4e940f6efe192;hpb=b223017f081d7e0daa33ad17a3cd05b0c1f7d9ba;p=karo-tx-uboot.git diff --git a/common/env_nand.c b/common/env_nand.c index 8954017704..ca631af195 100644 --- a/common/env_nand.c +++ b/common/env_nand.c @@ -33,47 +33,41 @@ /* #define DEBUG */ #include - -#if defined(CFG_ENV_IS_IN_NAND) /* Environment is in Nand Flash */ - #include #include #include #include #include -#if defined(CONFIG_CMD_ENV) && defined(CONFIG_CMD_NAND) +#if defined(CONFIG_CMD_SAVEENV) && defined(CONFIG_CMD_NAND) #define CMD_SAVEENV -#elif defined(CFG_ENV_OFFSET_REDUND) -#error Cannot use CFG_ENV_OFFSET_REDUND without CONFIG_CMD_ENV & CONFIG_CMD_NAND +#elif defined(CONFIG_ENV_OFFSET_REDUND) +#error Cannot use CONFIG_ENV_OFFSET_REDUND without CONFIG_CMD_SAVEENV & CONFIG_CMD_NAND #endif -#if defined(CFG_ENV_SIZE_REDUND) && (CFG_ENV_SIZE_REDUND != CFG_ENV_SIZE) -#error CFG_ENV_SIZE_REDUND should be the same as CFG_ENV_SIZE +#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 #ifdef CONFIG_INFERNO #error CONFIG_INFERNO not supported yet #endif -#ifndef CFG_ENV_RANGE -#define CFG_ENV_RANGE CFG_ENV_SIZE +#ifndef CONFIG_ENV_RANGE +#define CONFIG_ENV_RANGE CONFIG_ENV_SIZE #endif -int nand_legacy_rw (struct nand_chip* nand, int cmd, - size_t start, size_t len, - size_t * retlen, u_char * buf); - /* references to names in env_common.c */ extern uchar default_environment[]; -extern int default_environment_size; char * env_name_spec = "NAND"; -#ifdef ENV_IS_EMBEDDED +#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 */ @@ -95,8 +89,8 @@ uchar env_get_char_spec (int 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 will does - * the real validation. + * 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 @@ -105,26 +99,33 @@ uchar env_get_char_spec (int index) */ int env_init(void) { -#if defined(ENV_IS_EMBEDDED) - size_t total; +#if defined(ENV_IS_EMBEDDED) || defined(CONFIG_NAND_ENV_DST) int crc1_ok = 0, crc2_ok = 0; - env_t *tmp_env1, *tmp_env2; + env_t *tmp_env1; - total = CFG_ENV_SIZE; +#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; - tmp_env2 = (env_t *)((ulong)env_ptr + CFG_ENV_SIZE); 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) + if (!crc1_ok && !crc2_ok) { + gd->env_addr = 0; gd->env_valid = 0; - else if(crc1_ok && !crc2_ok) + + return 0; + } else if (crc1_ok && !crc2_ok) { gd->env_valid = 1; - else if(!crc1_ok && crc2_ok) + } +#ifdef CONFIG_ENV_OFFSET_REDUND + else if (!crc1_ok && crc2_ok) { gd->env_valid = 2; - else { + } else { /* both ok - check serial */ if(tmp_env1->flags == 255 && tmp_env2->flags == 0) gd->env_valid = 2; @@ -138,14 +139,19 @@ int env_init(void) gd->env_valid = 1; } + if (gd->env_valid == 2) + env_ptr = tmp_env2; + else +#endif if (gd->env_valid == 1) env_ptr = tmp_env1; - else if (gd->env_valid == 2) - env_ptr = tmp_env2; -#else /* ENV_IS_EMBEDDED */ + + 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 */ +#endif /* ENV_IS_EMBEDDED || CONFIG_NAND_ENV_DST */ return (0); } @@ -157,64 +163,63 @@ int env_init(void) */ int writeenv(size_t offset, u_char *buf) { - size_t end = offset + CFG_ENV_RANGE; + size_t end = offset + CONFIG_ENV_RANGE; size_t amount_saved = 0; - size_t blocksize; + size_t blocksize, len; u_char *char_ptr; blocksize = nand_info[0].erasesize; + len = min(blocksize, CONFIG_ENV_SIZE); - while (amount_saved < CFG_ENV_SIZE && offset < end) { + 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, &blocksize, + if (nand_write(&nand_info[0], offset, &len, char_ptr)) return 1; offset += blocksize; - amount_saved += blocksize; + amount_saved += len; } } - if (amount_saved != CFG_ENV_SIZE) + if (amount_saved != CONFIG_ENV_SIZE) return 1; return 0; } -#ifdef CFG_ENV_OFFSET_REDUND +#ifdef CONFIG_ENV_OFFSET_REDUND int saveenv(void) { - size_t total; int ret = 0; nand_erase_options_t nand_erase_options; env_ptr->flags++; - total = CFG_ENV_SIZE; - nand_erase_options.length = CFG_ENV_RANGE; + nand_erase_options.length = CONFIG_ENV_RANGE; nand_erase_options.quiet = 0; nand_erase_options.jffs2 = 0; nand_erase_options.scrub = 0; - if (CFG_ENV_RANGE < CFG_ENV_SIZE) + if (CONFIG_ENV_RANGE < CONFIG_ENV_SIZE) return 1; if(gd->env_valid == 1) { puts ("Erasing redundant Nand...\n"); - nand_erase_options.offset = CFG_ENV_OFFSET_REDUND; + 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(CFG_ENV_OFFSET_REDUND, (u_char *) env_ptr); + ret = writeenv(CONFIG_ENV_OFFSET_REDUND, (u_char *) env_ptr); } else { puts ("Erasing Nand...\n"); - nand_erase_options.offset = CFG_ENV_OFFSET; + 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(CFG_ENV_OFFSET, (u_char *) env_ptr); + ret = writeenv(CONFIG_ENV_OFFSET, (u_char *) env_ptr); } if (ret) { puts("FAILED!\n"); @@ -225,28 +230,26 @@ int saveenv(void) gd->env_valid = (gd->env_valid == 2 ? 1 : 2); return ret; } -#else /* ! CFG_ENV_OFFSET_REDUND */ +#else /* ! CONFIG_ENV_OFFSET_REDUND */ int saveenv(void) { - size_t total; int ret = 0; nand_erase_options_t nand_erase_options; - nand_erase_options.length = CFG_ENV_RANGE; + 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 = CFG_ENV_OFFSET; + nand_erase_options.offset = CONFIG_ENV_OFFSET; - if (CFG_ENV_RANGE < CFG_ENV_SIZE) + if (CONFIG_ENV_RANGE < CONFIG_ENV_SIZE) return 1; puts ("Erasing Nand...\n"); if (nand_erase_opts(&nand_info[0], &nand_erase_options)) return 1; puts ("Writing to Nand... "); - total = CFG_ENV_SIZE; - if (writeenv(CFG_ENV_OFFSET, env_ptr)) { + if (writeenv(CONFIG_ENV_OFFSET, (u_char *) env_ptr)) { puts("FAILED!\n"); return 1; } @@ -254,60 +257,60 @@ int saveenv(void) puts ("done\n"); return ret; } -#endif /* CFG_ENV_OFFSET_REDUND */ +#endif /* CONFIG_ENV_OFFSET_REDUND */ #endif /* CMD_SAVEENV */ int readenv (size_t offset, u_char * buf) { - size_t end = offset + CFG_ENV_RANGE; + size_t end = offset + CONFIG_ENV_RANGE; size_t amount_loaded = 0; - size_t blocksize; + size_t blocksize, len; u_char *char_ptr; blocksize = nand_info[0].erasesize; + len = min(blocksize, CONFIG_ENV_SIZE); - while (amount_loaded < CFG_ENV_SIZE && offset < end) { + 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(&nand_info[0], offset, &blocksize, char_ptr)) + if (nand_read(&nand_info[0], offset, &len, char_ptr)) return 1; offset += blocksize; - amount_loaded += blocksize; + amount_loaded += len; } } - if (amount_loaded != CFG_ENV_SIZE) + if (amount_loaded != CONFIG_ENV_SIZE) return 1; return 0; } -#ifdef CFG_ENV_OFFSET_REDUND +#ifdef CONFIG_ENV_OFFSET_REDUND void env_relocate_spec (void) { #if !defined(ENV_IS_EMBEDDED) - size_t total; int crc1_ok = 0, crc2_ok = 0; env_t *tmp_env1, *tmp_env2; - total = CFG_ENV_SIZE; + tmp_env1 = (env_t *) malloc(CONFIG_ENV_SIZE); + tmp_env2 = (env_t *) malloc(CONFIG_ENV_SIZE); - tmp_env1 = (env_t *) malloc(CFG_ENV_SIZE); - tmp_env2 = (env_t *) malloc(CFG_ENV_SIZE); - - if (readenv(CFG_ENV_OFFSET, (u_char *) tmp_env1)) + if (readenv(CONFIG_ENV_OFFSET, (u_char *) tmp_env1)) puts("No Valid Environment Area Found\n"); - if (readenv(CFG_ENV_OFFSET_REDUND, (u_char *) tmp_env2)) + if (readenv(CONFIG_ENV_OFFSET_REDUND, (u_char *) tmp_env2)) puts("No Valid Reundant 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) + if(!crc1_ok && !crc2_ok) { + free(tmp_env1); + free(tmp_env2); return use_default(); - else if(crc1_ok && !crc2_ok) + } else if(crc1_ok && !crc2_ok) gd->env_valid = 1; else if(!crc1_ok && crc2_ok) gd->env_valid = 2; @@ -337,7 +340,7 @@ void env_relocate_spec (void) #endif /* ! ENV_IS_EMBEDDED */ } -#else /* ! CFG_ENV_OFFSET_REDUND */ +#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. @@ -345,38 +348,22 @@ void env_relocate_spec (void) void env_relocate_spec (void) { #if !defined(ENV_IS_EMBEDDED) - size_t total; int ret; - total = CFG_ENV_SIZE; - ret = readenv(CFG_ENV_OFFSET, env_ptr); - if (ret || total != CFG_ENV_SIZE) + ret = readenv(CONFIG_ENV_OFFSET, (u_char *) env_ptr); + if (ret) return use_default(); if (crc32(0, env_ptr->data, ENV_SIZE) != env_ptr->crc) return use_default(); #endif /* ! ENV_IS_EMBEDDED */ } -#endif /* CFG_ENV_OFFSET_REDUND */ +#endif /* CONFIG_ENV_OFFSET_REDUND */ #if !defined(ENV_IS_EMBEDDED) static void use_default() { puts ("*** Warning - bad CRC or NAND, using default environment\n\n"); - - if (default_environment_size > CFG_ENV_SIZE){ - puts ("*** Error - default environment is too large\n\n"); - return; - } - - memset (env_ptr, 0, sizeof(env_t)); - memcpy (env_ptr->data, - default_environment, - default_environment_size); - env_ptr->crc = crc32(0, env_ptr->data, ENV_SIZE); - gd->env_valid = 1; - + set_default_env(); } #endif - -#endif /* CFG_ENV_IS_IN_NAND */