audk/ArmPkg/Drivers/ArmGic/GicV2/ArmGicV2Lib.h

102 lines
3.4 KiB
C

/** @file
*
* Copyright (c) 2013-2014, ARM Limited. All rights reserved.
*
* 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 _ARM_GIC_V2_H_
#define _ARM_GIC_V2_H_
//
// GIC definitions
//
//
// GIC Distributor
//
#define ARM_GIC_ICDDCR 0x000 // Distributor Control Register
#define ARM_GIC_ICDICTR 0x004 // Interrupt Controller Type Register
#define ARM_GIC_ICDIIDR 0x008 // Implementer Identification Register
// Each reg base below repeats for VE_NUM_ARM_GIC_REG_PER_INT_BITS (see GIC spec)
#define ARM_GIC_ICDISR 0x080 // Interrupt Security Registers
#define ARM_GIC_ICDISER 0x100 // Interrupt Set-Enable Registers
#define ARM_GIC_ICDICER 0x180 // Interrupt Clear-Enable Registers
#define ARM_GIC_ICDSPR 0x200 // Interrupt Set-Pending Registers
#define ARM_GIC_ICDICPR 0x280 // Interrupt Clear-Pending Registers
#define ARM_GIC_ICDABR 0x300 // Active Bit Registers
// Each reg base below repeats for VE_NUM_ARM_GIC_REG_PER_INT_BYTES
#define ARM_GIC_ICDIPR 0x400 // Interrupt Priority Registers
// Each reg base below repeats for VE_NUM_ARM_GIC_INTERRUPTS
#define ARM_GIC_ICDIPTR 0x800 // Interrupt Processor Target Registers
#define ARM_GIC_ICDICFR 0xC00 // Interrupt Configuration Registers
#define ARM_GIC_ICDPPISR 0xD00 // PPI Status register
// just one of these
#define ARM_GIC_ICDSGIR 0xF00 // Software Generated Interrupt Register
//
// GIC Cpu interface
//
#define ARM_GIC_ICCICR 0x00 // CPU Interface Control Register
#define ARM_GIC_ICCPMR 0x04 // Interrupt Priority Mask Register
#define ARM_GIC_ICCBPR 0x08 // Binary Point Register
#define ARM_GIC_ICCIAR 0x0C // Interrupt Acknowledge Register
#define ARM_GIC_ICCEIOR 0x10 // End Of Interrupt Register
#define ARM_GIC_ICCRPR 0x14 // Running Priority Register
#define ARM_GIC_ICCPIR 0x18 // Highest Pending Interrupt Register
#define ARM_GIC_ICCABPR 0x1C // Aliased Binary Point Register
#define ARM_GIC_ICCIIDR 0xFC // Identification Register
// Bit Mask for
#define ARM_GIC_ICCIAR_ACKINTID 0x3FF
// Interrupts from 1020 to 1023 are considered as special interrupts (eg: spurious interrupts)
#define ARM_GIC_IS_SPECIAL_INTERRUPTS(Interrupt) (((Interrupt) >= 1020) && ((Interrupt) <= 1023))
VOID
EFIAPI
ArmGicV2SetupNonSecure (
IN UINTN MpId,
IN INTN GicDistributorBase,
IN INTN GicInterruptInterfaceBase
);
VOID
EFIAPI
ArmGicV2EnableInterruptInterface (
IN INTN GicInterruptInterfaceBase
);
VOID
EFIAPI
ArmGicV2DisableInterruptInterface (
IN INTN GicInterruptInterfaceBase
);
UINTN
EFIAPI
ArmGicV2AcknowledgeInterrupt (
IN UINTN GicInterruptInterfaceBase
);
VOID
EFIAPI
ArmGicV2EndOfInterrupt (
IN UINTN GicInterruptInterfaceBase,
IN UINTN Source
);
#endif