wd_cyl_hi
ch = WDC_READ_REG(chp, wd_cyl_hi);
WDC_WRITE_REG(chp, wd_cyl_hi, wd_c->r_cyl >> 8);
WDC_WRITE_REG(chp, wd_cyl_hi, wd_c->r_cyl >> 8);
WDC_WRITE_REG(chp, wd_cyl_hi, wd_c->r_cyl >> 8);
wdr->cmd_iohs[wd_cyl_hi], 0);
wdr->cmd_iohs[wd_cyl_hi], 0);
wdr->cmd_iohs[wd_cyl_hi], 0) << 16;
wdr->cmd_iohs[wd_cyl_hi], 0) << 40;
bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_cyl_hi],
wdr->cmd_iohs[wd_cyl_hi], 0);
wdr->cmd_iohs[wd_cyl_hi], 0);
wdr->cmd_iohs[wd_cyl_hi], 0);
256 * bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_cyl_hi], 0);