mirror of https://github.com/acidanthera/audk.git
148 lines
4.4 KiB
C
148 lines
4.4 KiB
C
/** @file
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This driver will report some MMIO/IO resources to dxe core, extract smbios and acpi
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tables from bootloader.
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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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Reserve MMIO/IO resource in GCD
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@param IsMMIO Flag of whether it is mmio resource or io resource.
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@param GcdType Type of the space.
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@param BaseAddress Base address of the space.
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@param Length Length of the space.
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@param Alignment Align with 2^Alignment
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@param ImageHandle Handle for the image of this driver.
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@retval EFI_SUCCESS Reserve successful
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**/
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EFI_STATUS
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ReserveResourceInGcd (
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IN BOOLEAN IsMMIO,
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IN UINTN GcdType,
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IN EFI_PHYSICAL_ADDRESS BaseAddress,
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IN UINT64 Length,
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IN UINTN Alignment,
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IN EFI_HANDLE ImageHandle
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)
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{
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EFI_STATUS Status;
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if (IsMMIO) {
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Status = gDS->AddMemorySpace (
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GcdType,
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BaseAddress,
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Length,
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EFI_MEMORY_UC
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((
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DEBUG_WARN,
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"Failed to add memory space :0x%lx 0x%lx\n",
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BaseAddress,
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Length
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));
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}
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Status = gDS->AllocateMemorySpace (
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EfiGcdAllocateAddress,
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GcdType,
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Alignment,
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Length,
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&BaseAddress,
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ImageHandle,
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NULL
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);
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} else {
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Status = gDS->AddIoSpace (
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GcdType,
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BaseAddress,
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Length
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((
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DEBUG_WARN,
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"Failed to add IO space :0x%lx 0x%lx\n",
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BaseAddress,
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Length
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));
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}
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Status = gDS->AllocateIoSpace (
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EfiGcdAllocateAddress,
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GcdType,
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Alignment,
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Length,
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&BaseAddress,
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ImageHandle,
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NULL
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);
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}
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return Status;
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}
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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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Status = EFI_SUCCESS;
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//
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// Report MMIO/IO Resources
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//
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ReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEC00000, SIZE_4KB, 0, ImageHandle); // IOAPIC
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ReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFED00000, SIZE_1KB, 0, ImageHandle); // HPET
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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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return EFI_SUCCESS;
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}
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