diff options
Diffstat (limited to 'Board/IO/F81866/F81866DXE.C')
| -rw-r--r-- | Board/IO/F81866/F81866DXE.C | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Board/IO/F81866/F81866DXE.C b/Board/IO/F81866/F81866DXE.C index ed434f5..fdf8534 100644 --- a/Board/IO/F81866/F81866DXE.C +++ b/Board/IO/F81866/F81866DXE.C @@ -702,6 +702,35 @@ static EFI_STATUS COM_Init( Status=AmiSio->Access(AmiSio, FALSE, FALSE, 0xF0, &rv); rv &= ~(BIT0) ; Status=AmiSio->Access(AmiSio,TRUE,FALSE,0xF0,&rv); + +//ray_override / Support F81866 COM3 ~ COM6 IRQ Sharing Mode Selection / Added >> + if ( dev->DeviceInfo->UID >= 2 && dev->DeviceInfo->UID <= 5 ) + { + EFI_GUID SetupGuid = SETUP_GUID; + UINTN Size = sizeof(SETUP_DATA); + SETUP_DATA SetupData; + + Status = pRS->GetVariable ( L"Setup", \ + &SetupGuid, \ + NULL,\ + &Size, \ + &SetupData ); + + // PCI Share Mode + if( SetupData.F81866ComIrqShareMode == 0 ) { + Status=AmiSio->Access(AmiSio,FALSE,FALSE,0xF0,&rv); + rv |= BIT0 ; + rv &= ~(BIT1); + Status=AmiSio->Access(AmiSio,TRUE,FALSE,0xF0,&rv); + } + else { // ISA Share Mode + Status=AmiSio->Access(AmiSio,FALSE,FALSE,0xF0,&rv); + rv |= BIT0 ; + rv |= BIT1; + Status=AmiSio->Access(AmiSio,TRUE,FALSE,0xF0,&rv); + } + } +//ray_override / Support F81866 COM3 ~ COM6 IRQ Sharing Mode Selection / Added << break; case isAfterActivate: |