diff options
Diffstat (limited to 'ArmPkg/Drivers/ArmGic/GicV2/ArmGicV2Lib.h')
-rw-r--r-- | ArmPkg/Drivers/ArmGic/GicV2/ArmGicV2Lib.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/ArmPkg/Drivers/ArmGic/GicV2/ArmGicV2Lib.h b/ArmPkg/Drivers/ArmGic/GicV2/ArmGicV2Lib.h new file mode 100644 index 0000000000..bfe9040c83 --- /dev/null +++ b/ArmPkg/Drivers/ArmGic/GicV2/ArmGicV2Lib.h @@ -0,0 +1,101 @@ +/** @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
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