--- /dev/null
+/** @file\r
+ This driver will report some MMIO/IO resources to dxe core, extract smbios and acpi \r
+ tables from coreboot and install.\r
+ \r
+ Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php.\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+#include "CbSupportDxe.h"\r
+\r
+UINTN mPmCtrlReg = 0;\r
+/**\r
+ Reserve MMIO/IO resource in GCD\r
+\r
+ @param IsMMIO Flag of whether it is mmio resource or io resource.\r
+ @param GcdType Type of the space.\r
+ @param BaseAddress Base address of the space.\r
+ @param Length Length of the space.\r
+ @param Alignment Align with 2^Alignment\r
+ @param ImageHandle Handle for the image of this driver.\r
+\r
+ @retval EFI_SUCCESS Reserve successful\r
+**/\r
+EFI_STATUS\r
+CbReserveResourceInGcd (\r
+ IN BOOLEAN IsMMIO,\r
+ IN UINTN GcdType,\r
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
+ IN UINT64 Length,\r
+ IN UINTN Alignment,\r
+ IN EFI_HANDLE ImageHandle\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ if (IsMMIO) {\r
+ Status = gDS->AddMemorySpace (\r
+ GcdType,\r
+ BaseAddress,\r
+ Length,\r
+ EFI_MEMORY_UC\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((\r
+ EFI_D_ERROR,\r
+ "Failed to add memory space :0x%x 0x%x\n",\r
+ BaseAddress,\r
+ Length\r
+ ));\r
+ }\r
+ ASSERT_EFI_ERROR (Status);\r
+ Status = gDS->AllocateMemorySpace (\r
+ EfiGcdAllocateAddress,\r
+ GcdType,\r
+ Alignment,\r
+ Length,\r
+ &BaseAddress,\r
+ ImageHandle,\r
+ NULL\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ } else {\r
+ Status = gDS->AddIoSpace (\r
+ GcdType,\r
+ BaseAddress,\r
+ Length\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ Status = gDS->AllocateIoSpace (\r
+ EfiGcdAllocateAddress,\r
+ GcdType,\r
+ Alignment,\r
+ Length,\r
+ &BaseAddress,\r
+ ImageHandle,\r
+ NULL\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Notification function of EVT_GROUP_READY_TO_BOOT event group.\r
+\r
+ This is a notification function registered on EVT_GROUP_READY_TO_BOOT event group.\r
+ When the Boot Manager is about to load and execute a boot option, it reclaims variable\r
+ storage if free size is below the threshold.\r
+\r
+ @param Event Event whose notification function is being invoked.\r
+ @param Context Pointer to the notification function's context.\r
+\r
+**/\r
+VOID\r
+OnReadyToBoot (\r
+ EFI_EVENT Event,\r
+ VOID *Context\r
+ )\r
+{ \r
+ //\r
+ // Enable SCI\r
+ //\r
+ IoOr16 (mPmCtrlReg, BIT0);\r
+ \r
+ DEBUG ((EFI_D_ERROR, "Enable SCI bit at 0x%x before boot\n", mPmCtrlReg)); \r
+}\r
+\r
+/**\r
+ Main entry for the Coreboot Support DXE module.\r
+ \r
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.\r
+ @param[in] SystemTable A pointer to the EFI System Table.\r
+ \r
+ @retval EFI_SUCCESS The entry point is executed successfully.\r
+ @retval other Some error occurs when executing this entry point.\r
+\r
+**/\r
+EFI_STATUS\r
+CbDxeEntryPoint (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+{ \r
+ EFI_STATUS Status;\r
+ EFI_EVENT ReadyToBootEvent;\r
+ EFI_HOB_GUID_TYPE *GuidHob;\r
+ SYSTEM_TABLE_INFO *pSystemTableInfo;\r
+ ACPI_BOARD_INFO *pAcpiBoardInfo;\r
+ \r
+ Status = EFI_SUCCESS;\r
+ //\r
+ // Report MMIO/IO Resources\r
+ //\r
+ Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEE00000, SIZE_1MB, 0, SystemTable); // LAPIC \r
+ ASSERT_EFI_ERROR (Status);\r
+ \r
+ Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEC00000, SIZE_4KB, 0, SystemTable); // IOAPIC \r
+ ASSERT_EFI_ERROR (Status);\r
+ \r
+ Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFED00000, SIZE_1KB, 0, SystemTable); // HPET \r
+ ASSERT_EFI_ERROR (Status);\r
+ \r
+ //\r
+ // Find the system table information guid hob\r
+ //\r
+ GuidHob = GetFirstGuidHob (&gUefiSystemTableInfoGuid);\r
+ ASSERT (GuidHob != NULL);\r
+ pSystemTableInfo = (SYSTEM_TABLE_INFO *)GET_GUID_HOB_DATA (GuidHob);\r
+ \r
+ //\r
+ // Install Acpi Table\r
+ //\r
+ if (pSystemTableInfo->AcpiTableBase != 0 && pSystemTableInfo->AcpiTableSize != 0) { \r
+ DEBUG ((EFI_D_ERROR, "Install Acpi Table at 0x%x, length 0x%x\n", (UINTN)pSystemTableInfo->AcpiTableBase, pSystemTableInfo->AcpiTableSize)); \r
+ Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, (VOID *)(UINTN)pSystemTableInfo->AcpiTableBase);\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
+ \r
+ //\r
+ // Install Smbios Table\r
+ //\r
+ if (pSystemTableInfo->SmbiosTableBase != 0 && pSystemTableInfo->SmbiosTableSize != 0) { \r
+ DEBUG ((EFI_D_ERROR, "Install Smbios Table at 0x%x, length 0x%x\n", (UINTN)pSystemTableInfo->SmbiosTableBase, pSystemTableInfo->SmbiosTableSize)); \r
+ Status = gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, (VOID *)(UINTN)pSystemTableInfo->SmbiosTableBase);\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
+ \r
+ //\r
+ // Find the acpi board information guid hob\r
+ //\r
+ GuidHob = GetFirstGuidHob (&gUefiAcpiBoardInfoGuid);\r
+ ASSERT (GuidHob != NULL);\r
+ pAcpiBoardInfo = (ACPI_BOARD_INFO *)GET_GUID_HOB_DATA (GuidHob); \r
+ \r
+ mPmCtrlReg = (UINTN)pAcpiBoardInfo->PmCtrlRegBase;\r
+ DEBUG ((EFI_D_ERROR, "PmCtrlReg at 0x%x\n", mPmCtrlReg)); \r
+ \r
+ //\r
+ // Register callback on the ready to boot event \r
+ // in order to enable SCI\r
+ // \r
+ ReadyToBootEvent = NULL;\r
+ Status = EfiCreateEventReadyToBootEx (\r
+ TPL_CALLBACK,\r
+ OnReadyToBoot,\r
+ NULL,\r
+ &ReadyToBootEvent\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ \r
+ return EFI_SUCCESS;\r
+}\r
+\r
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