From 855f52819950673642ca1add72c8eb0fc3499ce9 Mon Sep 17 00:00:00 2001
From: Himanshu Sharma <Himanshu.Sharma@arm.com>
Date: Thu, 4 Jan 2024 13:32:56 +0530
Subject: ArmPkg/ArmGicArchLib: Add macros for SPI and extended SPI ranges

Taking reference from Table 2-1 of the Arm Generic Interrupt Controller
Architecture Specification, Issue H, January 2022, add macros for the
SPI and extended SPI ranges with the purpose of reusability on including
the ArmPkg.

Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Signed-off-by: Himanshu Sharma <Himanshu.Sharma@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
---
 ArmPkg/Include/Library/ArmGicArchLib.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'ArmPkg/Include/Library/ArmGicArchLib.h')

diff --git a/ArmPkg/Include/Library/ArmGicArchLib.h b/ArmPkg/Include/Library/ArmGicArchLib.h
index 72ac17e13b..ed6fe6fecb 100644
--- a/ArmPkg/Include/Library/ArmGicArchLib.h
+++ b/ArmPkg/Include/Library/ArmGicArchLib.h
@@ -1,9 +1,15 @@
 /** @file
 *
 *  Copyright (c) 2015, Linaro Ltd. All rights reserved.
+*  Copyright (c) 2024, Arm Limited. All rights reserved.
 *
 *  SPDX-License-Identifier: BSD-2-Clause-Patent
 *
+*  @par Reference(s):
+*  - Arm Generic Interrupt Controller Architecture Specification,
+*    Issue H, January 2022.
+*    (https://developer.arm.com/documentation/ihi0069/)
+*
 **/
 
 #ifndef ARM_GIC_ARCH_LIB_H_
@@ -23,4 +29,12 @@ ArmGicGetSupportedArchRevision (
   VOID
   );
 
+//
+// GIC SPI and extended SPI ranges
+//
+#define ARM_GIC_ARCH_SPI_MIN      32
+#define ARM_GIC_ARCH_SPI_MAX      1019
+#define ARM_GIC_ARCH_EXT_SPI_MIN  4096
+#define ARM_GIC_ARCH_EXT_SPI_MAX  5119
+
 #endif // ARM_GIC_ARCH_LIB_H_
-- 
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