diff options
Diffstat (limited to 'include/ata.h')
| -rw-r--r-- | include/ata.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/include/ata.h b/include/ata.h index 968b3c4..fa30ee8 100644 --- a/include/ata.h +++ b/include/ata.h @@ -37,10 +37,13 @@ * 8-bit (register) and 16-bit (data) accesses might use different * address spaces. This is implemented by the following definitions. */ +#ifndef CFG_ATA_STRIDE +#define CFG_ATA_STRIDE 1 +#endif -#define ATA_IO_DATA(x) (CFG_ATA_DATA_OFFSET+(x)) -#define ATA_IO_REG(x) (CFG_ATA_REG_OFFSET +(x)) -#define ATA_IO_ALT(x) (CFG_ATA_ALT_OFFSET +(x)) +#define ATA_IO_DATA(x) (CFG_ATA_DATA_OFFSET+((x) * CFG_ATA_STRIDE)) +#define ATA_IO_REG(x) (CFG_ATA_REG_OFFSET +((x) * CFG_ATA_STRIDE)) +#define ATA_IO_ALT(x) (CFG_ATA_ALT_OFFSET +((x) * CFG_ATA_STRIDE)) /* * I/O Register Descriptions |