/** @file Arm Gic cpu parser. Copyright (c) 2021 - 2022, Arm Limited. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent @par Reference(s): - linux/Documentation/devicetree/bindings/interrupt-controller/arm,gic.yaml - linux/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml **/ #ifndef ARM_GICC_PARSER_H_ #define ARM_GICC_PARSER_H_ /* According to BSA 1.0 s3.6 PPI assignments, PMU IRQ ID is 23. */ #define BSA_PMU_IRQ 23 /** CM_ARM_GICC_INFO parser function. This parser expects FdtBranch to be the "\cpus" node node. At most one CmObj is created. The following structure is populated: typedef struct CmArmGicCInfo { UINT32 CPUInterfaceNumber; // {Populated} UINT32 AcpiProcessorUid; // {Populated} UINT32 Flags; // {Populated} UINT32 ParkingProtocolVersion; // {default = 0} UINT32 PerformanceInterruptGsiv; // {Populated} UINT64 ParkedAddress; // {default = 0} UINT64 PhysicalBaseAddress; // {Populated} UINT64 GICV; // {Populated} UINT64 GICH; // {Populated} UINT32 VGICMaintenanceInterrupt; // {Populated} UINT64 GICRBaseAddress; // {default = 0} UINT64 MPIDR; // {Populated} UINT8 ProcessorPowerEfficiencyClass; // {default = 0} UINT16 SpeOverflowInterrupt; // {default = 0} UINT32 ProximityDomain; // {default = 0} UINT32 ClockDomain; // {default = 0} UINT32 AffinityFlags; // {default = 0} } CM_ARM_GICC_INFO; A parser parses a Device Tree to populate a specific CmObj type. None, one or many CmObj can be created by the parser. The created CmObj are then handed to the parser's caller through the HW_INFO_ADD_OBJECT interface. This can also be a dispatcher. I.e. a function that not parsing a Device Tree but calling other parsers. @param [in] FdtParserHandle A handle to the parser instance. @param [in] FdtBranch When searching for DT node name, restrict the search to this Device Tree branch. @retval EFI_SUCCESS The function completed successfully. @retval EFI_ABORTED An error occurred. @retval EFI_INVALID_PARAMETER Invalid parameter. @retval EFI_NOT_FOUND Not found. @retval EFI_UNSUPPORTED Unsupported. **/ EFI_STATUS EFIAPI ArmGicCInfoParser ( IN CONST FDT_HW_INFO_PARSER_HANDLE FdtParserHandle, IN INT32 FdtBranch ); #endif // ARM_GICC_PARSER_H_