179     int ch_offset;  in ata_serverworks_ch_attach()  local
182     ch_offset = ch->unit * 0x100;  in ata_serverworks_ch_attach()
188     ch->r_io[ATA_DATA].offset = ch_offset + 0x00;  in ata_serverworks_ch_attach()
189     ch->r_io[ATA_FEATURE].offset = ch_offset + 0x04;  in ata_serverworks_ch_attach()
190     ch->r_io[ATA_COUNT].offset = ch_offset + 0x08;  in ata_serverworks_ch_attach()
191     ch->r_io[ATA_SECTOR].offset = ch_offset + 0x0c;  in ata_serverworks_ch_attach()
192     ch->r_io[ATA_CYL_LSB].offset = ch_offset + 0x10;  in ata_serverworks_ch_attach()
193     ch->r_io[ATA_CYL_MSB].offset = ch_offset + 0x14;  in ata_serverworks_ch_attach()
194     ch->r_io[ATA_DRIVE].offset = ch_offset + 0x18;  in ata_serverworks_ch_attach()
195     ch->r_io[ATA_COMMAND].offset = ch_offset + 0x1c;  in ata_serverworks_ch_attach()
196     ch->r_io[ATA_CONTROL].offset = ch_offset + 0x20;  in ata_serverworks_ch_attach()
200     ch->r_io[ATA_BMCMD_PORT].offset = ch_offset + 0x30;  in ata_serverworks_ch_attach()
201     ch->r_io[ATA_BMSTAT_PORT].offset = ch_offset + 0x32;  in ata_serverworks_ch_attach()
202     ch->r_io[ATA_BMDTP_PORT].offset = ch_offset + 0x34;  in ata_serverworks_ch_attach()
205     ch->r_io[ATA_SSTATUS].offset = ch_offset + 0x40;  in ata_serverworks_ch_attach()
206     ch->r_io[ATA_SERROR].offset = ch_offset + 0x44;  in ata_serverworks_ch_attach()
207     ch->r_io[ATA_SCONTROL].offset = ch_offset + 0x48;  in ata_serverworks_ch_attach()
220 	ATA_OUTL(ctlr->r_res2, ch_offset + 0x80,  in ata_serverworks_ch_attach()
221 	    ATA_INL(ctlr->r_res2, ch_offset + 0x80) & ~0x00040000);  in ata_serverworks_ch_attach()
222 	ATA_OUTL(ctlr->r_res2, ch_offset + 0x88, 0);  in ata_serverworks_ch_attach()