diff options
Diffstat (limited to 'Board/IO/F81216/BSP/OemIoDecode.c')
| -rw-r--r-- | Board/IO/F81216/BSP/OemIoDecode.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/Board/IO/F81216/BSP/OemIoDecode.c b/Board/IO/F81216/BSP/OemIoDecode.c new file mode 100644 index 0000000..25e008e --- /dev/null +++ b/Board/IO/F81216/BSP/OemIoDecode.c @@ -0,0 +1,186 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2009, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* +// +//************************************************************************* +// $Header: /Alaska/BIN/IO/Fintek/F81216_Sec/F81216 Board/OemIoDecode.c 1 3/31/10 5:56a Fantasylai $ +// +// $Revision: 1 $ +// +// $Date: 3/31/10 5:56a $ +//************************************************************************* +// Revision History +// ---------------- +// $Log: /Alaska/BIN/IO/Fintek/F81216_Sec/F81216 Board/OemIoDecode.c $ +// +// 1 3/31/10 5:56a Fantasylai +// Initial release to F81216 just as a second IO +// +//************************************************************************* +//<AMI_FHDR_START> +// +// Name: <OemIoDecode.C> +// +// Description: If can't decode IO usually. Change other IoDecode mode in file. +// +// Note: +// !!!!!!!!!!!!Attention!!!!!!!!!!!Attention!!!!!!!!!!!Attention!!!!!!!!!!! +// This sample is not for any chipset, it bases on a chipset. For any indivadual +// projects, should re-program the IO decode policy. +// !!!!!!!!!!!!Attention!!!!!!!!!!!Attention!!!!!!!!!!!Attention!!!!!!!!!!! +// +//<AMI_FHDR_END> +//************************************************************************* +#include <Efi.h> +#include <Token.h> +#include <Protocol\PciIo.h> +#include <Protocol\AmiSio.h> + +#if(IODECODETYPE) +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Procedure: OEM_F81216_LPCDeviceDecoding +// +// Description: This function goes through the elinked list of identify +// functions giving control when the token "IODECODETYPE == 1". +// +// Input: Base - I/O base address, Base=0 means disable the decode of the device +// DevUid - The device Unique ID +// If type is 0xFF, DevUid contain the IO length +// +// Output: EFI_STATUS +// EFI_SUCCESS - Set successfully. +// EFI_INVALID_PARAMETER - the Input parameter is invalid. +// +// Note: +// Input paramete is a multi-paramete. If type is 0xFF, DevUid contain the IO length +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS OEM_F81216_LPCDeviceDecoding( + IN EFI_PCI_IO_PROTOCOL *LpcPciIo, + IN UINT16 Base, + IN UINT8 DevUid +) +{//Chipset porting should provide the Io Ranage decode function. + //If chipset porting provide this function, set IODECODETYPE = 0. + //If chipset porting doesn't provide this function, you can use a eLink to replace OEM_F81216_LPCDeviceDecoding() + //In file of IoDecodeSample.c, there is a example code to decode IO Range. You can eLink your code with CORE_DXEBin object. + //------------------------------------- + EFI_STATUS Status=EFI_SUCCESS; + +/* + EFI_STATUS Status; + ICH_LPC_IO_DECODE_REG dr; //IchDecode Register + BOOLEAN a; +//--------------------------------------------------------- + //Read what currently have there... + Status = LpcPciIo->Pci.Read(LpcPciIo, EfiPciIoWidthUint16, + ICH_LPC_IO_DECODE_OFFSET, 1, &dr.IO_DECODE_REG); + if (EFI_ERROR(Status)) return Status; + a = TRUE; + //Check all possible BAse Addresses + switch(Base){ + //LPT Address range + case 0x378 : + dr.LptDecode = 0; + break; + case 0x278 : + dr.LptDecode=1; + break; + case 0x3bc : + dr.LptDecode=2; + break; + //FDC Address range + case 0x3f0 : + dr.FdcDecode = 0; + break; + case 0x370 : + dr.FdcDecode = 1; + break; + //COM Port Address range + case 0x3f8 : + if (DevUid) + dr.ComBDecode=0; + else + dr.ComADecode=0; + break; + case 0x2f8 : + if (DevUid) + dr.ComBDecode=1; + else + dr.ComADecode=1; + break; + case 0x220 : + if (DevUid) + dr.ComBDecode=2; + else + dr.ComADecode=2; + break; + case 0x228 : + if (DevUid) + dr.ComBDecode=3; + else + dr.ComADecode=3; + break; + case 0x238 : + if (DevUid) + dr.ComBDecode=4; + else + dr.ComADecode=4; + break; + + case 0x2E8 : + if (DevUid) + dr.ComBDecode=5; + else + dr.ComADecode=5; + break; + case 0x338 : + if (DevUid) + dr.ComBDecode=6; + else + dr.ComADecode=6; + break; + case 0x3e8 : + if (DevUid) + dr.ComBDecode=7; + else + dr.ComADecode=7; + break; + + default : + a = FALSE; + } + //Use Provided LPC Bridge PCI IO to write data back + if (a) Status=LpcPciIo->Pci.Write(LpcPciIo, EfiPciIoWidthUint16, + ICH_LPC_IO_DECODE_OFFSET, 1, &dr.IO_DECODE_REG); +*/ + + return Status; +} +#endif + +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2009, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//*************************************************************************
\ No newline at end of file |