diff options
Diffstat (limited to 'common/cmd_ide.c')
| -rw-r--r-- | common/cmd_ide.c | 22 |
1 files changed, 22 insertions, 0 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 */ |