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73a643eed9
The GIC specification describes ID registers in each GIC register frame (PIDRx), which can be used to identify a GIC component. The Arm Ltd. GIC implementations use certain ID values to identify the distributor, the redistributors and other parts like ITSes. Introduce a function that reads those part number IDs, which are spread over two registers. The actual numbers are only meaningful in connection with a certain GIC model, which would need to be checked beforehand, by the caller. Change-Id: Ia6ff326a1e8b12664e4637bc8e2683d2b5c7721c Signed-off-by: Andre Przywara <andre.przywara@arm.com>
28 lines
910 B
C
28 lines
910 B
C
/*
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* Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef ARM_GICV3_COMMON_H
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#define ARM_GICV3_COMMON_H
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/*******************************************************************************
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* GIC500/GIC600 Re-distributor interface registers & constants
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******************************************************************************/
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/* GICR_WAKER implementation-defined bit definitions */
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#define WAKER_SL_SHIFT 0
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#define WAKER_QSC_SHIFT 31
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#define WAKER_SL_BIT (1U << WAKER_SL_SHIFT)
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#define WAKER_QSC_BIT (1U << WAKER_QSC_SHIFT)
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#define IIDR_MODEL_ARM_GIC_600 U(0x0200043b)
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#define IIDR_MODEL_ARM_GIC_600AE U(0x0300043b)
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#define IIDR_MODEL_ARM_GIC_700 U(0x0400043b)
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#define PIDR_COMPONENT_ARM_DIST U(0x492)
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#define PIDR_COMPONENT_ARM_REDIST U(0x493)
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#define PIDR_COMPONENT_ARM_ITS U(0x494)
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#endif /* ARM_GICV3_COMMON_H */
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