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/* $NetBSD: plicreg.h,v 1.1 2023/05/07 12:41:48 skrll Exp $ */
/*-
* Copyright (c) 2022 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Portions of this code is derived from software contributed to The NetBSD
* Foundation by Simon Burge.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RISCV_PLICREG_H
#define _RISCV_PLICREG_H
#define PLIC_FIRST_IRQ 1 /* irq 0 is reserved */
#define PLIC_MAX_IRQ 1023
#define PLIC_NIRQ (PLIC_MAX_IRQ + 1)
#define PLIC_PRIORITY_BASE 0x000000
#define PLIC_PENDING_BASE 0x001000
#define PLIC_ENABLE_BASE 0x002000
#define PLIC_ENABLE_SIZE (PLIC_NIRQ / NBBY)
#define PLIC_CONTEXT_BASE 0x200000
#define PLIC_CONTEXT_SIZE 0x1000
#define PLIC_MAX_CONTEXT 15871
#define PLIC_NCONTEXT (PLIC_MAX_CONTEXT + 1)
#define PLIC_THRESHOLD_OFFS 0
#define PLIC_CLAIM_COMPLETE_OFFS 4 /* read to claim, write to complete */
#endif /* _RISCV_PLICREG_H */
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