hardware bug whereby when the BIOS is enabled, transfers to/from
the same address range the BIOS occupies modulo 16MB are handled
incorrectly. Only properly functioning BT-445S Host Adapters
- have firmware version 3.37, so require that ISA Bounce Buffers
- be used for the buggy BT-445S models if there is more than 16MB
- memory.
+ have firmware version 3.37.
*/
- if (adapter->bios_addr > 0 && strcmp(adapter->model, "BT-445S") == 0 &&
- strcmp(adapter->fw_ver, "3.37") < 0 &&
- (void *) high_memory > (void *) MAX_DMA_ADDRESS)
- adapter->need_bouncebuf = true;
+ if (adapter->bios_addr > 0 &&
+ strcmp(adapter->model, "BT-445S") == 0 &&
+ strcmp(adapter->fw_ver, "3.37") < 0)
+ return blogic_failure(adapter, "Too old firmware");
/*
Initialize parameters common to MultiMaster and FlashPoint
Host Adapters.
if (adapter->drvr_opts != NULL &&
adapter->drvr_opts->qdepth[tgt_id] > 0)
qdepth = adapter->drvr_opts->qdepth[tgt_id];
- else if (adapter->need_bouncebuf)
- qdepth = BLOGIC_TAG_DEPTH_BB;
adapter->qdepth[tgt_id] = qdepth;
}
- if (adapter->need_bouncebuf)
- adapter->untag_qdepth = BLOGIC_UNTAG_DEPTH_BB;
- else
- adapter->untag_qdepth = BLOGIC_UNTAG_DEPTH;
+ adapter->untag_qdepth = BLOGIC_UNTAG_DEPTH;
if (adapter->drvr_opts != NULL)
adapter->common_qdepth = adapter->drvr_opts->common_qdepth;
if (adapter->common_qdepth > 0 &&
host->this_id = adapter->scsi_id;
host->can_queue = adapter->drvr_qdepth;
host->sg_tablesize = adapter->drvr_sglimit;
- host->unchecked_isa_dma = adapter->need_bouncebuf;
host->cmd_per_lun = adapter->untag_qdepth;
}
#if 0
.eh_abort_handler = blogic_abort,
#endif
- .unchecked_isa_dma = 1,
.max_sectors = 128,
};