diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_ide.c | 22 | ||||
| -rw-r--r-- | common/env_flash.c | 66 |
2 files changed, 47 insertions, 41 deletions
diff --git a/common/cmd_ide.c b/common/cmd_ide.c index 1778b33..e96a5f5 100644 --- a/common/cmd_ide.c +++ b/common/cmd_ide.c @@ -1094,6 +1094,18 @@ static void ide_ident (block_dev_desc_t *dev_desc) ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision)); ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor)); ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product)); +#ifdef __LITTLE_ENDIAN + /* + * firmware revision and model number have Big Endian Byte + * order in Word. Convert both to little endian. + * + * See CF+ and CompactFlash Specification Revision 2.0: + * 6.2.1.6: Identfy Drive, Table 39 for more details + */ + + strswab (dev_desc->revision); + strswab (dev_desc->vendor); +#endif /* __LITTLE_ENDIAN */ if ((iop->config & 0x0080)==0x0080) dev_desc->removable = 1; @@ -1135,8 +1147,18 @@ static void ide_ident (block_dev_desc_t *dev_desc) } #endif /* CONFIG_ATAPI */ +#ifdef __BIG_ENDIAN /* swap shorts */ dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16); +#else /* ! __BIG_ENDIAN */ + /* + * do not swap shorts on little endian + * + * See CF+ and CompactFlash Specification Revision 2.0: + * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details. + */ + dev_desc->lba = iop->lba_capacity; +#endif /* __BIG_ENDIAN */ #if CONFIG_LBA48 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */ diff --git a/common/env_flash.c b/common/env_flash.c index 079f84d..4e42c8f 100644 --- a/common/env_flash.c +++ b/common/env_flash.c @@ -79,9 +79,9 @@ static env_t *flash_addr_new = (env_t *)CFG_ENV_ADDR_REDUND; static ulong end_addr = CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1; static ulong end_addr_new = CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1; -static uchar active_flag = 1; -static uchar obsolete_flag = 0; -#endif +#define ACTIVE_FLAG 1 +#define OBSOLETE_FLAG 0 +#endif /* CFG_ENV_ADDR_REDUND */ extern uchar default_environment[]; extern int default_environment_size; @@ -112,43 +112,28 @@ int env_init(void) ulong addr1 = (ulong)&(flash_addr->data); ulong addr2 = (ulong)&(flash_addr_new->data); - if (crc1_ok && ! crc2_ok) - { + if (crc1_ok && ! crc2_ok) { gd->env_addr = addr1; gd->env_valid = 1; - } - else if (! crc1_ok && crc2_ok) - { + } else if (! crc1_ok && crc2_ok) { gd->env_addr = addr2; gd->env_valid = 1; - } - else if (! crc1_ok && ! crc2_ok) - { + } else if (! crc1_ok && ! crc2_ok) { gd->env_addr = addr_default; gd->env_valid = 0; - } - else if (flag1 == active_flag && flag2 == obsolete_flag) - { + } else if (flag1 == ACTIVE_FLAG && flag2 == OBSOLETE_FLAG) { gd->env_addr = addr1; gd->env_valid = 1; - } - else if (flag1 == obsolete_flag && flag2 == active_flag) - { + } else if (flag1 == OBSOLETE_FLAG && flag2 == ACTIVE_FLAG) { gd->env_addr = addr2; gd->env_valid = 1; - } - else if (flag1 == flag2) - { + } else if (flag1 == flag2) { gd->env_addr = addr1; gd->env_valid = 2; - } - else if (flag1 == 0xFF) - { + } else if (flag1 == 0xFF) { gd->env_addr = addr1; gd->env_valid = 2; - } - else if (flag2 == 0xFF) - { + } else if (flag2 == 0xFF) { gd->env_addr = addr2; gd->env_valid = 2; } @@ -161,6 +146,7 @@ int saveenv(void) { char *saved_data = NULL; int rc = 1; + char flag = OBSOLETE_FLAG, new_flag = ACTIVE_FLAG; #if CFG_ENV_SECT_SIZE > CFG_ENV_SIZE ulong up_data = 0; #endif @@ -210,16 +196,13 @@ int saveenv(void) if ((rc = flash_write(env_ptr->data, (ulong)&(flash_addr_new->data), sizeof(env_ptr->data))) || - (rc = flash_write((char *)&(env_ptr->crc), (ulong)&(flash_addr_new->crc), sizeof(env_ptr->crc))) || - - (rc = flash_write((char *)&obsolete_flag, + (rc = flash_write(&flag, (ulong)&(flash_addr->flags), sizeof(flash_addr->flags))) || - - (rc = flash_write((char *)&active_flag, + (rc = flash_write(&new_flag, (ulong)&(flash_addr_new->flags), sizeof(flash_addr_new->flags)))) { @@ -361,8 +344,7 @@ void env_relocate_spec (void) #ifdef CFG_ENV_ADDR_REDUND DECLARE_GLOBAL_DATA_PTR; - if (gd->env_addr != (ulong)&(flash_addr->data)) - { + if (gd->env_addr != (ulong)&(flash_addr->data)) { env_t * etmp = flash_addr; ulong ltmp = end_addr; @@ -373,24 +355,26 @@ void env_relocate_spec (void) end_addr_new = ltmp; } - if (flash_addr_new->flags != obsolete_flag && + if (flash_addr_new->flags != OBSOLETE_FLAG && crc32(0, flash_addr_new->data, ENV_SIZE) == - flash_addr_new->crc) - { + flash_addr_new->crc) { + char flag = OBSOLETE_FLAG; + gd->env_valid = 2; flash_sect_protect (0, (ulong)flash_addr_new, end_addr_new); - flash_write((char *)&obsolete_flag, + flash_write(&flag, (ulong)&(flash_addr_new->flags), sizeof(flash_addr_new->flags)); flash_sect_protect (1, (ulong)flash_addr_new, end_addr_new); } - if (flash_addr->flags != active_flag && - (flash_addr->flags & active_flag) == active_flag) - { + if (flash_addr->flags != ACTIVE_FLAG && + (flash_addr->flags & ACTIVE_FLAG) == ACTIVE_FLAG) { + char flag = ACTIVE_FLAG; + gd->env_valid = 2; flash_sect_protect (0, (ulong)flash_addr, end_addr); - flash_write((char *)&active_flag, + flash_write(&flag, (ulong)&(flash_addr->flags), sizeof(flash_addr->flags)); flash_sect_protect (1, (ulong)flash_addr, end_addr); |