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90 lines
3.2 KiB
90 lines
3.2 KiB
/*
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* Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __GIC_V3_H__
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#define __GIC_V3_H__
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#include <mmio.h>
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#include <stdint.h>
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/* GICv3 Re-distributor interface registers & shifts */
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#define GICR_PCPUBASE_SHIFT 0x11
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#define GICR_TYPER 0x08
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#define GICR_WAKER 0x14
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/* GICR_WAKER bit definitions */
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#define WAKER_CA (1UL << 2)
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#define WAKER_PS (1UL << 1)
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/* GICR_TYPER bit definitions */
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#define GICR_TYPER_AFF_SHIFT 32
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#define GICR_TYPER_AFF_MASK 0xffffffff
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#define GICR_TYPER_LAST (1UL << 4)
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/* GICv3 ICC_SRE register bit definitions*/
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#define ICC_SRE_EN (1UL << 3)
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#define ICC_SRE_SRE (1UL << 0)
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/*******************************************************************************
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* GICv3 defintions
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******************************************************************************/
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#define GICV3_AFFLVL_MASK 0xff
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#define GICV3_AFF0_SHIFT 0
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#define GICV3_AFF1_SHIFT 8
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#define GICV3_AFF2_SHIFT 16
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#define GICV3_AFF3_SHIFT 24
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#define GICV3_AFFINITY_MASK 0xffffffff
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/*******************************************************************************
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* Function prototypes
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******************************************************************************/
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uintptr_t gicv3_get_rdist(uintptr_t gicr_base, uint64_t mpidr);
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/*******************************************************************************
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* GIC Redistributor interface accessors
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******************************************************************************/
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static inline uint32_t gicr_read_waker(uintptr_t base)
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{
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return mmio_read_32(base + GICR_WAKER);
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}
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static inline void gicr_write_waker(uintptr_t base, uint32_t val)
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{
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mmio_write_32(base + GICR_WAKER, val);
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}
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static inline uint64_t gicr_read_typer(uintptr_t base)
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{
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return mmio_read_64(base + GICR_TYPER);
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}
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#endif /* __GIC_V3_H__ */
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