4488d4479a
The entrypoint module should do this programmatically using resources passed by the bootloader. Under UPL, bootloaders are expected to pass such ranges in the FDT. Signed-off-by: Benjamin Doron <benjamin.doron@9elements.com>
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/** @file
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This driver will setup PCDs for DXE phase from HOBs
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and initialise architecture-specific settings and resources.
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Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "BlSupportDxe.h"
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/**
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Main entry for the bootloader support DXE module.
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@param[in] ImageHandle The firmware allocated handle for the EFI image.
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@param[in] SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The entry point is executed successfully.
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@retval other Some error occurs when executing this entry point.
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**/
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EFI_STATUS
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EFIAPI
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BlDxeEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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EFI_HOB_GUID_TYPE *GuidHob;
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EFI_PEI_GRAPHICS_INFO_HOB *GfxInfo;
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ACPI_BOARD_INFO *AcpiBoardInfo;
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//
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// Find the frame buffer information and update PCDs
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//
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GuidHob = GetFirstGuidHob (&gEfiGraphicsInfoHobGuid);
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if (GuidHob != NULL) {
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GfxInfo = (EFI_PEI_GRAPHICS_INFO_HOB *)GET_GUID_HOB_DATA (GuidHob);
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Status = PcdSet32S (PcdVideoHorizontalResolution, GfxInfo->GraphicsMode.HorizontalResolution);
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ASSERT_EFI_ERROR (Status);
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Status = PcdSet32S (PcdVideoVerticalResolution, GfxInfo->GraphicsMode.VerticalResolution);
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ASSERT_EFI_ERROR (Status);
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Status = PcdSet32S (PcdSetupVideoHorizontalResolution, GfxInfo->GraphicsMode.HorizontalResolution);
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ASSERT_EFI_ERROR (Status);
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Status = PcdSet32S (PcdSetupVideoVerticalResolution, GfxInfo->GraphicsMode.VerticalResolution);
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ASSERT_EFI_ERROR (Status);
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}
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//
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// Set PcdPciExpressBaseAddress and PcdPciExpressBaseSize by HOB info
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//
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GuidHob = GetFirstGuidHob (&gUefiAcpiBoardInfoGuid);
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if (GuidHob != NULL) {
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AcpiBoardInfo = (ACPI_BOARD_INFO *)GET_GUID_HOB_DATA (GuidHob);
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Status = PcdSet64S (PcdPciExpressBaseAddress, AcpiBoardInfo->PcieBaseAddress);
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ASSERT_EFI_ERROR (Status);
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Status = PcdSet64S (PcdPciExpressBaseSize, AcpiBoardInfo->PcieBaseSize);
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ASSERT_EFI_ERROR (Status);
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}
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Status = BlArchAdditionalOps (ImageHandle, SystemTable);
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ASSERT_EFI_ERROR (Status);
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return EFI_SUCCESS;
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}
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