diff options
Diffstat (limited to 'Board/EM/Thunderbolt/TbtDxe/TbtDxeLib.c')
| -rw-r--r-- | Board/EM/Thunderbolt/TbtDxe/TbtDxeLib.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/Board/EM/Thunderbolt/TbtDxe/TbtDxeLib.c b/Board/EM/Thunderbolt/TbtDxe/TbtDxeLib.c new file mode 100644 index 0000000..45f6768 --- /dev/null +++ b/Board/EM/Thunderbolt/TbtDxe/TbtDxeLib.c @@ -0,0 +1,209 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2012, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* +//************************************************************************* +// $Header: /Alaska/SOURCE/Modules/Thunderbolt/TbtDxe/TbtDxeLib.c 4 5/16/14 6:02p Barretlin $ +// +// $Revision: 4 $ +// +// $Date: 5/16/14 6:02p $ +//************************************************************************* +// Revision History +// ---------------- +// +//************************************************************************* +//--------------------------------------------------------------------------- +// Include(s) +//--------------------------------------------------------------------------- + +#include <Efi.h> +#include <Token.h> +#include <Setup.h> +#include <AmiPeiLib.h> +#include <AmiDxeLib.h> +#include <AmiCspLib.h> + +// Produced Protocols + +// Consumed Protocols + +//--------------------------------------------------------------------------- +// Constant, Macro and Type Definition(s) +//--------------------------------------------------------------------------- +// Constant Definition(s) + +// Macro Definition(s) + +// Type Definition(s) + +// Function Prototype(s) + +//--------------------------------------------------------------------------- +// Variable and External Declaration(s) +//--------------------------------------------------------------------------- +// Variable Declaration(s) + +// GUID Definition(s) + +// Protocol Definition(s) + +// External Declaration(s) + +// Function Definition(s) + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: TbtProtectedPciDevice +// +// Description: This function is called by PCI Bus Driver before configuring +// or disabling any PCI device. This function should examine the +// Vendor/Device ID or PCI Bus, Device and Function numbers to +// make sure it is not a south bridge device or any other device +// which should no be configured by PCI Bus Driver. +// +// Input: *PciDevice - Pointer to PCI Device Info structure. +// +// Output: EFI_STATUS +// EFI_SUCCESS - SKIP this device, do not touch +// PCI Command register. +// EFI_UNSUPPORTED - DON'T SKIP this device do complete +// enumeration as usual. +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS TbtProtectedPciDevice ( + IN PCI_DEV_INFO *PciDevice ) +{ + AMI_TBT_PLATFORM_POLICY_PROTOCOL *gAmiTbtPlatformPolicy = NULL; + EFI_GUID gOemTbtProtocolGuid = AMI_TBT_PLATFROM_POLICY_PROTOCOL_GUID; + EFI_STATUS Status; + UINT8 TBus = TBT_UP_PORT_BUS; + UINT8 TDev = TBT_UP_PORT_DEV; + UINT8 TFun = TBT_UP_PORT_FUNC; + + TRACE((-1, "\nTbtDxe: TbtProtectedPciDevice Entry !!!\n")); + Status = pBS->LocateProtocol( &gOemTbtProtocolGuid, \ + NULL, \ + &gAmiTbtPlatformPolicy); + if (EFI_ERROR(Status) || (!(gAmiTbtPlatformPolicy->TbtEnable))){ + return EFI_UNSUPPORTED; + } + + if ((!EFI_ERROR(Status)) && (gAmiTbtPlatformPolicy->TbtAICSupport == 1)){ + if (gAmiTbtPlatformPolicy->Dev == 0x1c){ + TFun = gAmiTbtPlatformPolicy->Fun; + } else { + TBus = gAmiTbtPlatformPolicy->Bus; + TDev = gAmiTbtPlatformPolicy->Dev; + TFun = gAmiTbtPlatformPolicy->Fun; + } + } + TRACE((-1, "TbtDxe: PciDevice @B:%x|D:%x|F:%x !!!\n", PciDevice->Address.Addr.Bus, PciDevice->Address.Addr.Device, PciDevice->Address.Addr.Function)); +#if defined TBT_PCIBUS_SKIP && TBT_PCIBUS_SKIP == 1 + while ((PciDevice->Type != tPciRootBrg) && (PciDevice->ParentBrg != NULL)) { + PciDevice = PciDevice->ParentBrg; + if (PciDevice->Address.Addr.Bus != TBus) continue; + if (PciDevice->Address.Addr.Device != TDev) continue; + if (PciDevice->Address.Addr.Function != TFun) continue; + + TRACE((-1, "TbtDxe: Skip thunderbolt device before PCI BUS assign resource.\n")); + return EFI_SUCCESS; + } +#endif + + return EFI_UNSUPPORTED; +} + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: TbtDxeInvokeSmiHandler +// +// Description: Invoke SW SMI befor boot for reaource adjust. +// +// Input: None +// +// Output: None +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +VOID TbtDxeInvokeSmiHandler(){ + AMI_TBT_PLATFORM_POLICY_PROTOCOL *gAmiTbtPlatformPolicy = NULL; + EFI_GUID gOemTbtProtocolGuid = AMI_TBT_PLATFROM_POLICY_PROTOCOL_GUID; + EFI_STATUS Status; + + TRACE((-1, "TbtDxe: TbtDxeInvokeSmiHandler\n")); + Status = pBS->LocateProtocol( &gOemTbtProtocolGuid, \ + NULL, \ + &gAmiTbtPlatformPolicy); + if ((!EFI_ERROR(Status)) && (gAmiTbtPlatformPolicy->TbtEnable)){ + IoWrite8 (SW_SMI_IO_ADDRESS, TBT_SWSMI_VALUE); //trigger SwSMI for Thunderbolt + } +} + +#if defined ULT_SUPPORT && ULT_SUPPORT == 1 +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: IsULTPchSeries +// +// Description: This function is to get PCH series is ULT series or not +// +// Input: None +// +// Output: None +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +BOOLEAN +IsULTPchSeries( VOID ){ + UINT16 PchDeviceId; + + PchDeviceId = MmPciRead16 (0x00, LPC_DEVICE, LPC_FUNC, 0x02); + switch(PchDeviceId){ + case 0x9C40: ///< LynxPoint LP Unfuse + case 0x9C41: ///< LynxPoint LP Mobile Super SKU + case 0x9C42: ///< LynxPoint LP Mobile TBD SKU + case 0x9C43: ///< LynxPoint LP Mobile Premium SKU + case 0x9C44: ///< LynxPoint LP Mobile TBD SKU + case 0x9C45: ///< LynxPoint LP Mobile Mainstream SKU + case 0x9C46: ///< LynxPoint LP Mobile TBD SKU + case 0x9C47: ///< LynxPoint LP Mobile Value SKU + case 0x9CC1: ///< WildcatPoint LP Mobile Super SKU HSW + case 0x9CC2: ///< WildcatPoint LP Mobile Super SKU BDW U + case 0x9CC3: ///< WildcatPoint LP Mobile Premium SKU BDW U + case 0x9CC4: ///< WildcatPoint LP Mobile TBD SKU + case 0x9CC5: ///< WildcatPoint LP Mobile Base SKU BDW U + case 0x9CC6: ///< WildcatPoint LP Mobile Super SKU BDW Y + case 0x9CC7: ///< WildcatPoint LP Mobile Premium SKU BDW Y + case 0x9CC8: ///< WildcatPoint LP Mobile TBD SKU + case 0x9CC9: ///< WildcatPoint LP Mobile Base SKU BDW Y + case 0x9CCA: ///< WildcatPoint LP Mobile TBD SKU + case 0x9CCB: ///< WildcatPoint LP Mobile Performance SKU + return TRUE; + } + return FALSE; +} +#endif + +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2012, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |