1 /** @file 2 Helper Library for ACPI 3 4 Copyright (c) 2014-2015, ARM Ltd. All rights reserved. 5 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14 **/ 15 16 #ifndef __ACPI_LIB_H__ 17 #define __ACPI_LIB_H__ 18 19 #include <Uefi.h> 20 21 #include <IndustryStandard/Acpi10.h> 22 23 // 24 // Macros for the Generic Address Space 25 // 26 #define NULL_GAS { EFI_ACPI_5_0_SYSTEM_MEMORY, 0, 0, EFI_ACPI_5_0_UNDEFINED, 0L } 27 #define ARM_GAS8(Address) { EFI_ACPI_5_0_SYSTEM_MEMORY, 8, 0, EFI_ACPI_5_0_BYTE, Address } 28 #define ARM_GAS16(Address) { EFI_ACPI_5_0_SYSTEM_MEMORY, 16, 0, EFI_ACPI_5_0_WORD, Address } 29 #define ARM_GAS32(Address) { EFI_ACPI_5_0_SYSTEM_MEMORY, 32, 0, EFI_ACPI_5_0_DWORD, Address } 30 #define ARM_GASN(Address) { EFI_ACPI_5_0_SYSTEM_MEMORY, 0, 0, EFI_ACPI_5_0_DWORD, Address } 31 32 // 33 // Macros for the Multiple APIC Description Table (MADT) 34 // 35 #define EFI_ACPI_5_0_GIC_DISTRIBUTOR_INIT(GicDistHwId, GicDistBase, GicDistVector) \ 36 { \ 37 EFI_ACPI_5_0_GICD, sizeof (EFI_ACPI_5_0_GIC_DISTRIBUTOR_STRUCTURE), EFI_ACPI_RESERVED_WORD, \ 38 GicDistHwId, GicDistBase, GicDistVector, EFI_ACPI_RESERVED_DWORD \ 39 } 40 41 // Note the parking protocol is configured by UEFI if required 42 #define EFI_ACPI_5_0_GIC_STRUCTURE_INIT(GicId, AcpiCpuId, Flags, PmuIrq, GicBase) \ 43 { \ 44 EFI_ACPI_5_0_GIC, sizeof (EFI_ACPI_5_0_GIC_STRUCTURE), EFI_ACPI_RESERVED_WORD, \ 45 GicId, AcpiCpuId, Flags, 0, PmuIrq, 0, GicBase \ 46 } 47 48 // Note the parking protocol is configured by UEFI if required 49 #define EFI_ACPI_5_1_GICC_STRUCTURE_INIT(GicId, AcpiCpuUid, Mpidr, Flags, PmuIrq, \ 50 GicBase, GicVBase, GicHBase, GsivId, GicRBase) \ 51 { \ 52 EFI_ACPI_5_1_GIC, sizeof (EFI_ACPI_5_1_GIC_STRUCTURE), EFI_ACPI_RESERVED_WORD, \ 53 GicId, AcpiCpuUid, Flags, 0, PmuIrq, 0, GicBase, GicVBase, GicHBase, \ 54 GsivId, GicRBase, Mpidr \ 55 } 56 57 #define EFI_ACPI_6_0_GIC_MSI_FRAME_INIT(GicMsiFrameId, PhysicalBaseAddress, Flags, SPICount, SPIBase) \ 58 { \ 59 EFI_ACPI_6_0_GIC_MSI_FRAME, sizeof (EFI_ACPI_6_0_GIC_MSI_FRAME_STRUCTURE), EFI_ACPI_RESERVED_WORD, \ 60 GicMsiFrameId, PhysicalBaseAddress, Flags, SPICount, SPIBase \ 61 } 62 63 // 64 // SBSA Generic Watchdog 65 // 66 #define EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(RefreshFramePhysicalAddress, \ 67 ControlFramePhysicalAddress, WatchdogTimerGSIV, WatchdogTimerFlags) \ 68 { \ 69 EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG, sizeof(EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE), \ 70 EFI_ACPI_RESERVED_WORD, RefreshFramePhysicalAddress, ControlFramePhysicalAddress, \ 71 WatchdogTimerGSIV, WatchdogTimerFlags \ 72 } 73 74 typedef 75 BOOLEAN 76 (EFIAPI *EFI_LOCATE_ACPI_CHECK) ( 77 IN EFI_ACPI_DESCRIPTION_HEADER *AcpiHeader 78 ); 79 80 /** 81 Locate and Install the ACPI tables from the Firmware Volume if it verifies 82 the function condition. 83 84 @param AcpiFile Guid of the ACPI file into the Firmware Volume 85 @param CheckAcpiTableFunction Function that checks if the ACPI table should be installed 86 87 @return EFI_SUCCESS The function completed successfully. 88 @return EFI_NOT_FOUND The protocol could not be located. 89 @return EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol. 90 91 **/ 92 EFI_STATUS 93 LocateAndInstallAcpiFromFvConditional ( 94 IN CONST EFI_GUID* AcpiFile, 95 IN EFI_LOCATE_ACPI_CHECK CheckAcpiTableFunction 96 ); 97 98 /** 99 Locate and Install the ACPI tables from the Firmware Volume 100 101 @param AcpiFile Guid of the ACPI file into the Firmware Volume 102 103 @return EFI_SUCCESS The function completed successfully. 104 @return EFI_NOT_FOUND The protocol could not be located. 105 @return EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol. 106 107 **/ 108 EFI_STATUS 109 LocateAndInstallAcpiFromFv ( 110 IN CONST EFI_GUID* AcpiFile 111 ); 112 113 #endif // __ACPI_LIB_H__ 114