diff options
Diffstat (limited to 'Chipset/eM/ME/MEUD/MeFwCapsule/MeFwCapsulePei.c')
| -rw-r--r-- | Chipset/eM/ME/MEUD/MeFwCapsule/MeFwCapsulePei.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/Chipset/eM/ME/MEUD/MeFwCapsule/MeFwCapsulePei.c b/Chipset/eM/ME/MEUD/MeFwCapsule/MeFwCapsulePei.c new file mode 100644 index 0000000..db54c27 --- /dev/null +++ b/Chipset/eM/ME/MEUD/MeFwCapsule/MeFwCapsulePei.c @@ -0,0 +1,185 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2015, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* +/** @file MeFwCapsulePei.c + ME FW Capsule Update Pei driver. +**/ +//********************************************************************** +//---------------------------------------------------------------------------- +// Includes +// Statements that include other files +#include <PEI.h> +#include <AmiPeiLib.h> +#include <FlashUpd.h> +#include <Token.h> +#include <PPI\NBPPI.h> +#include <FlashUpd.h> +#include <AmiHobs.h> +//---------------------------------------------------------------------------- +// Function Externs +EFI_GUID mFlashUpdBootModePpiGuid = EFI_PEI_BOOT_IN_FLASH_UPDATE_MODE_PEIM_PPI; +EFI_GUID mAmiPeiBeforeMrcGuid = AMI_PEI_BEFORE_MRC_GUID; +EFI_GUID mAmiCapsuleHobGuid = AMI_CAPSULE_HOB_GUID; +//---------------------------------------------------------------------------- +// Local prototypes +EFI_STATUS +MeFwBootOnFlashUpdateNotify ( + IN EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, + IN VOID *NullPpi +); +EFI_STATUS +MeFwBeforeMrcNotify ( + IN EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, + IN VOID *NullPpi +); + +// PPI to be installed +static +EFI_PEI_NOTIFY_DESCRIPTOR +MeFwBootOnFlashUpdateNotifyList[] = { + { EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | \ + EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, \ + &mFlashUpdBootModePpiGuid, MeFwBootOnFlashUpdateNotify }, +}; + +static +EFI_PEI_NOTIFY_DESCRIPTOR +MeFwBeforeMrcNotifyList[] = { + { EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | \ + EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, + &mAmiPeiBeforeMrcGuid, MeFwBeforeMrcNotify } +}; + +//---------------------------------------------------------------------------- +// Local Variables + +//---------------------------------------------------------------------------- +// Function Definitions +#define R_PCH_ACPI_PM1_STS 0x00 +#define B_PCH_ACPI_PM1_STS_WAK 0x8000 +#define R_PCH_ACPI_PM1_CNT 0x04 +#define B_PCH_ACPI_PM1_CNT_SLP_TYP 0x00001C00 +#define R_PCH_RST_CNT 0xCF9 +#define V_PCH_RST_CNT_SOFTRESET 0x04 +#define V_PCH_RST_CNT_SOFTSTARTSTATE 0x00 + +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Procedure: MeFwBootOnFlashUpdateNotify +// +// Description: +// +// Input: +// +// Output: +// +// Returns: +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS +MeFwBootOnFlashUpdateNotify ( + IN EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, + IN VOID *NullPpi +) +{ + VOID *p; + + for ((*PeiServices)->GetHobList(PeiServices,&p); \ + !(FindNextHobByGuid(&mAmiCapsuleHobGuid, &p)); ) { + // When the gFlashUpdBootModePpi is installed, bios identify the Capsule Guid + // either APTIO FW or Windows FW Capsule, so, we just check the Capsule Length + // for determine whether contains the ME FW. + if ((((AMI_CAPSULE_HOB*)p)->CapsuleLength != FWCAPSULE_IMAGE_SIZE) && \ + (((AMI_CAPSULE_HOB*)p)->CapsuleLength != \ + (FV_MEFWCAP_SIZE + FWCAPSULE_MAX_HDR_SIZE))) continue; + // Clear Wake Status (WAK_STS) and Sleep Type (SLP_TYP) + IoWrite16(PM_BASE_ADDRESS + R_PCH_ACPI_PM1_STS, B_PCH_ACPI_PM1_STS_WAK); + IoWrite16(PM_BASE_ADDRESS + R_PCH_ACPI_PM1_CNT, \ + IoRead16(PM_BASE_ADDRESS + R_PCH_ACPI_PM1_CNT) & ~B_PCH_ACPI_PM1_CNT_SLP_TYP); + // Since, HECI interface not work if S3 resume path, to generate a Soft Reset + // to re-activate HECI. + IoWrite8(R_PCH_RST_CNT, V_PCH_RST_CNT_SOFTSTARTSTATE); + IoWrite8(R_PCH_RST_CNT, V_PCH_RST_CNT_SOFTRESET); + EFI_DEADLOOP() + } + return EFI_SUCCESS; +} +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Procedure: MeFwBeforeMrcNotify +// +// Description: +// +// Input: +// +// Output: +// +// Returns: +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS +MeFwBeforeMrcNotify ( + IN EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, + IN VOID *NullPpi +) +{ + EFI_STATUS Status; + EFI_BOOT_MODE BootMode; + + Status = (*PeiServices)->GetBootMode (PeiServices, &BootMode); + if (EFI_ERROR(Status) || (BootMode != BOOT_ON_S3_RESUME)) return EFI_SUCCESS; + (*PeiServices)->NotifyPpi (PeiServices, MeFwBootOnFlashUpdateNotifyList); + return EFI_SUCCESS; +} +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Procedure: MeFwCapsulePeiEntry +// +// Description: +// +// Input: +// +// Output: +// +// Returns: +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS +MeFwCapsulePeiEntry ( + IN EFI_FFS_FILE_HEADER *FfsHeader, + IN EFI_PEI_SERVICES **PeiServices +) +{ + (*PeiServices)->NotifyPpi (PeiServices, MeFwBeforeMrcNotifyList); + return EFI_SUCCESS; +} +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2015, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |