diff options
Diffstat (limited to 'CorebootModulePkg/CbSupportDxe')
| -rw-r--r-- | CorebootModulePkg/CbSupportDxe/CbSupportDxe.c | 199 | ||||
| -rw-r--r-- | CorebootModulePkg/CbSupportDxe/CbSupportDxe.h | 35 | ||||
| -rw-r--r-- | CorebootModulePkg/CbSupportDxe/CbSupportDxe.inf | 59 |
3 files changed, 293 insertions, 0 deletions
diff --git a/CorebootModulePkg/CbSupportDxe/CbSupportDxe.c b/CorebootModulePkg/CbSupportDxe/CbSupportDxe.c new file mode 100644 index 0000000000..1b3e74a525 --- /dev/null +++ b/CorebootModulePkg/CbSupportDxe/CbSupportDxe.c @@ -0,0 +1,199 @@ +/** @file
+ This driver will report some MMIO/IO resources to dxe core, extract smbios and acpi
+ tables from coreboot and install.
+
+ Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#include "CbSupportDxe.h"
+
+UINTN mPmCtrlReg = 0;
+/**
+ Reserve MMIO/IO resource in GCD
+
+ @param IsMMIO Flag of whether it is mmio resource or io resource.
+ @param GcdType Type of the space.
+ @param BaseAddress Base address of the space.
+ @param Length Length of the space.
+ @param Alignment Align with 2^Alignment
+ @param ImageHandle Handle for the image of this driver.
+
+ @retval EFI_SUCCESS Reserve successful
+**/
+EFI_STATUS
+CbReserveResourceInGcd (
+ IN BOOLEAN IsMMIO,
+ IN UINTN GcdType,
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length,
+ IN UINTN Alignment,
+ IN EFI_HANDLE ImageHandle
+ )
+{
+ EFI_STATUS Status;
+
+ if (IsMMIO) {
+ Status = gDS->AddMemorySpace (
+ GcdType,
+ BaseAddress,
+ Length,
+ EFI_MEMORY_UC
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((
+ EFI_D_ERROR,
+ "Failed to add memory space :0x%x 0x%x\n",
+ BaseAddress,
+ Length
+ ));
+ }
+ ASSERT_EFI_ERROR (Status);
+ Status = gDS->AllocateMemorySpace (
+ EfiGcdAllocateAddress,
+ GcdType,
+ Alignment,
+ Length,
+ &BaseAddress,
+ ImageHandle,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+ } else {
+ Status = gDS->AddIoSpace (
+ GcdType,
+ BaseAddress,
+ Length
+ );
+ ASSERT_EFI_ERROR (Status);
+ Status = gDS->AllocateIoSpace (
+ EfiGcdAllocateAddress,
+ GcdType,
+ Alignment,
+ Length,
+ &BaseAddress,
+ ImageHandle,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+ }
+ return Status;
+}
+
+/**
+ Notification function of EVT_GROUP_READY_TO_BOOT event group.
+
+ This is a notification function registered on EVT_GROUP_READY_TO_BOOT event group.
+ When the Boot Manager is about to load and execute a boot option, it reclaims variable
+ storage if free size is below the threshold.
+
+ @param Event Event whose notification function is being invoked.
+ @param Context Pointer to the notification function's context.
+
+**/
+VOID
+OnReadyToBoot (
+ EFI_EVENT Event,
+ VOID *Context
+ )
+{
+ //
+ // Enable SCI
+ //
+ IoOr16 (mPmCtrlReg, BIT0);
+
+ DEBUG ((EFI_D_ERROR, "Enable SCI bit at 0x%x before boot\n", mPmCtrlReg));
+}
+
+/**
+ Main entry for the Coreboot Support DXE module.
+
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.
+ @param[in] SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @retval other Some error occurs when executing this entry point.
+
+**/
+EFI_STATUS
+CbDxeEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_EVENT ReadyToBootEvent;
+ EFI_HOB_GUID_TYPE *GuidHob;
+ SYSTEM_TABLE_INFO *pSystemTableInfo;
+ ACPI_BOARD_INFO *pAcpiBoardInfo;
+
+ Status = EFI_SUCCESS;
+ //
+ // Report MMIO/IO Resources
+ //
+ Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEE00000, SIZE_1MB, 0, SystemTable); // LAPIC
+ ASSERT_EFI_ERROR (Status);
+
+ Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEC00000, SIZE_4KB, 0, SystemTable); // IOAPIC
+ ASSERT_EFI_ERROR (Status);
+
+ Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFED00000, SIZE_1KB, 0, SystemTable); // HPET
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Find the system table information guid hob
+ //
+ GuidHob = GetFirstGuidHob (&gUefiSystemTableInfoGuid);
+ ASSERT (GuidHob != NULL);
+ pSystemTableInfo = (SYSTEM_TABLE_INFO *)GET_GUID_HOB_DATA (GuidHob);
+
+ //
+ // Install Acpi Table
+ //
+ if (pSystemTableInfo->AcpiTableBase != 0 && pSystemTableInfo->AcpiTableSize != 0) {
+ DEBUG ((EFI_D_ERROR, "Install Acpi Table at 0x%x, length 0x%x\n", (UINTN)pSystemTableInfo->AcpiTableBase, pSystemTableInfo->AcpiTableSize));
+ Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, (VOID *)(UINTN)pSystemTableInfo->AcpiTableBase);
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ //
+ // Install Smbios Table
+ //
+ if (pSystemTableInfo->SmbiosTableBase != 0 && pSystemTableInfo->SmbiosTableSize != 0) {
+ DEBUG ((EFI_D_ERROR, "Install Smbios Table at 0x%x, length 0x%x\n", (UINTN)pSystemTableInfo->SmbiosTableBase, pSystemTableInfo->SmbiosTableSize));
+ Status = gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, (VOID *)(UINTN)pSystemTableInfo->SmbiosTableBase);
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ //
+ // Find the acpi board information guid hob
+ //
+ GuidHob = GetFirstGuidHob (&gUefiAcpiBoardInfoGuid);
+ ASSERT (GuidHob != NULL);
+ pAcpiBoardInfo = (ACPI_BOARD_INFO *)GET_GUID_HOB_DATA (GuidHob);
+
+ mPmCtrlReg = (UINTN)pAcpiBoardInfo->PmCtrlRegBase;
+ DEBUG ((EFI_D_ERROR, "PmCtrlReg at 0x%x\n", mPmCtrlReg));
+
+ //
+ // Register callback on the ready to boot event
+ // in order to enable SCI
+ //
+ ReadyToBootEvent = NULL;
+ Status = EfiCreateEventReadyToBootEx (
+ TPL_CALLBACK,
+ OnReadyToBoot,
+ NULL,
+ &ReadyToBootEvent
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
+
diff --git a/CorebootModulePkg/CbSupportDxe/CbSupportDxe.h b/CorebootModulePkg/CbSupportDxe/CbSupportDxe.h new file mode 100644 index 0000000000..bace2728e6 --- /dev/null +++ b/CorebootModulePkg/CbSupportDxe/CbSupportDxe.h @@ -0,0 +1,35 @@ +/** @file
+ The header file of Coreboot Support DXE.
+
+Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#ifndef __DXE_COREBOOT_SUPPORT_H__
+#define __DXE_COREBOOT_SUPPORT_H__
+
+#include <PiDxe.h>
+
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DxeServicesTableLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiLib.h>
+#include <Library/IoLib.h>
+#include <Library/HobLib.h>
+
+#include <Guid/Acpi.h>
+#include <Guid/SmBios.h>
+#include <Guid/SystemTableInfoGuid.h>
+#include <Guid/AcpiBoardInfoGuid.h>
+
+#include <IndustryStandard/Acpi.h>
+
+#endif
diff --git a/CorebootModulePkg/CbSupportDxe/CbSupportDxe.inf b/CorebootModulePkg/CbSupportDxe/CbSupportDxe.inf new file mode 100644 index 0000000000..c92db8ded4 --- /dev/null +++ b/CorebootModulePkg/CbSupportDxe/CbSupportDxe.inf @@ -0,0 +1,59 @@ +## @file
+# Coreboot Support DXE Module
+#
+# Report some MMIO/IO resources to dxe core, extract smbios and acpi tables from coreboot and install.
+#
+# Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
+#
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php.
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = CbSupportDxe
+ FILE_GUID = C68DAA4E-7AB5-41e8-A91D-5954421053F3
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = CbDxeEntryPoint
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources]
+ CbSupportDxe.c
+ CbSupportDxe.h
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ IntelFrameworkPkg/IntelFrameworkPkg.dec
+ IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
+ CorebootModulePkg/CorebootModulePkg.dec
+
+[LibraryClasses]
+ UefiDriverEntryPoint
+ UefiBootServicesTableLib
+ DxeServicesTableLib
+ DebugLib
+ BaseMemoryLib
+ UefiLib
+ IoLib
+ HobLib
+
+[Guids]
+ gEfiAcpiTableGuid
+ gEfiSmbiosTableGuid
+ gUefiSystemTableInfoGuid
+ gUefiAcpiBoardInfoGuid
+
+[Depex]
+ TRUE
|