wdr_sdh
OCTCF_REG_WRITE(wd, wdr_sdh,
OCTCF_REG_WRITE(wd, wdr_sdh, 0 | (WDCC_IDENTIFY<<8));
u_int8_t reg = CHP_READ_REG(chp, wdr_sdh);
WDC_LOG_REG(chp, wdr_sdh, reg);
wdc_c->r_head = CHP_READ_REG(chp, wdr_sdh);
CHP_WRITE_REG(chp, wdr_sdh, WDSD_IBM | (drive << 4) | head);
CHP_WRITE_REG(chp, wdr_sdh, (drive << 4) | WDSD_LBA);
CHP_WRITE_REG(chp, wdr_sdh, WDSD_IBM | (drive << 4));
CHP_WRITE_REG(chp, wdr_sdh, (drive << 4) | WDSD_IBM);
CHP_WRITE_REG(chp, wdr_sdh, WDSD_IBM | (0 << 4));
wdr_sdh & _WDC_REGMASK, WDSD_IBM | (0 << 4));
bus_space_write_1(chp->cmd_iot, iohs[wdr_sdh], 0,
CHP_WRITE_REG(chp, wdr_sdh, WDSD_IBM | (0 << 4));
wdr_sdh & _WDC_REGMASK, WDSD_IBM | (0 << 4));