497 	u64 control;  in sysio_register_error_handlers()  local
532 	control = upa_readq(iommu->write_complete_reg);  in sysio_register_error_handlers()
533 	control |= 0x100UL; /* SBUS Error Interrupt Enable */  in sysio_register_error_handlers()
534 	upa_writeq(control, iommu->write_complete_reg);  in sysio_register_error_handlers()
546 	u64 control;  in sbus_iommu_init()  local
599 	control = upa_readq(iommu->iommu_control);  in sbus_iommu_init()
600 	control = ((7UL << 16UL)	|  in sbus_iommu_init()
604 	upa_writeq(control, iommu->iommu_control);  in sbus_iommu_init()
626 	control = (1UL << 1UL) | (1UL << 0UL);  in sbus_iommu_init()
627 	upa_writeq(control, strbuf->strbuf_control);  in sbus_iommu_init()
645 	control = upa_readq(iommu->write_complete_reg);  in sbus_iommu_init()
646 	control |= 0x3fUL;  in sbus_iommu_init()
647 	upa_writeq(control, iommu->write_complete_reg);  in sbus_iommu_init()