OCTCF_REG_WRITE
OCTCF_REG_WRITE(wd, 0x0, swap16(temp));
OCTCF_REG_WRITE(wd, wdr_seccnt, 1 | ((lba & 0xff) << 8));
OCTCF_REG_WRITE(wd, wdr_cyl_lo,
OCTCF_REG_WRITE(wd, wdr_sdh,
OCTCF_REG_WRITE(wd, wdr_seccnt, 0);
OCTCF_REG_WRITE(wd, wdr_cyl_lo, 0);
OCTCF_REG_WRITE(wd, wdr_sdh, 0 | (WDCC_IDENTIFY<<8));