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142 lines
4.5 KiB
C
142 lines
4.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2000 Tsubai Masanari. 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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* from NetBSD: openpicreg.h,v 1.3 2001/08/30 03:08:52 briggs Exp
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*/
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/*
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* Size of OpenPIC register space
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*/
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#define OPENPIC_SIZE 0x40000
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/*
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* Per Processor Registers [private access] (0x00000 - 0x00fff)
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*/
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/* IPI dispatch command reg */
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#define OPENPIC_IPI_DISPATCH(ipi) (0x40 + (ipi) * 0x10)
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/* current task priority reg */
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#define OPENPIC_TPR 0x80
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#define OPENPIC_TPR_MASK 0x0000000f
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#define OPENPIC_WHOAMI 0x90
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/* interrupt acknowledge reg */
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#define OPENPIC_IACK 0xa0
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/* end of interrupt reg */
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#define OPENPIC_EOI 0xb0
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/*
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* Global registers (0x01000-0x0ffff)
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*/
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/* feature reporting reg 0 */
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#define OPENPIC_FEATURE 0x1000
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#define OPENPIC_FEATURE_VERSION_MASK 0x000000ff
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#define OPENPIC_FEATURE_LAST_CPU_MASK 0x00001f00
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#define OPENPIC_FEATURE_LAST_CPU_SHIFT 8
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#define OPENPIC_FEATURE_LAST_IRQ_MASK 0x07ff0000
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#define OPENPIC_FEATURE_LAST_IRQ_SHIFT 16
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/* global config reg 0 */
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#define OPENPIC_CONFIG 0x1020
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#define OPENPIC_CONFIG_RESET 0x80000000
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#define OPENPIC_CONFIG_8259_PASSTHRU_DISABLE 0x20000000
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/* interrupt configuration mode (direct or serial) */
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#define OPENPIC_ICR 0x1030
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#define OPENPIC_ICR_SERIAL_MODE (1 << 27)
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#define OPENPIC_ICR_SERIAL_RATIO_MASK (0x7 << 28)
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#define OPENPIC_ICR_SERIAL_RATIO_SHIFT 28
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/* vendor ID */
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#define OPENPIC_VENDOR_ID 0x1080
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/* processor initialization reg */
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#define OPENPIC_PROC_INIT 0x1090
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/* IPI vector/priority reg */
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#define OPENPIC_IPI_VECTOR(ipi) (0x10a0 + (ipi) * 0x10)
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/* spurious intr. vector */
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#define OPENPIC_SPURIOUS_VECTOR 0x10e0
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/* Timer registers */
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#define OPENPIC_TIMERS 4
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#define OPENPIC_TFREQ 0x10f0
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#define OPENPIC_TCNT(t) (0x1100 + (t) * 0x40)
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#define OPENPIC_TBASE(t) (0x1110 + (t) * 0x40)
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#define OPENPIC_TVEC(t) (0x1120 + (t) * 0x40)
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#define OPENPIC_TDST(t) (0x1130 + (t) * 0x40)
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/*
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* Interrupt Source Configuration Registers (0x10000 - 0x1ffff)
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*/
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/* interrupt vector/priority reg */
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#define OPENPIC_SRC_VECTOR_COUNT 64
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#ifndef OPENPIC_SRC_VECTOR
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#define OPENPIC_SRC_VECTOR(irq) (0x10000 + (irq) * 0x20)
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#endif
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#define OPENPIC_SENSE_LEVEL 0x00400000
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#define OPENPIC_SENSE_EDGE 0x00000000
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#define OPENPIC_POLARITY_POSITIVE 0x00800000
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#define OPENPIC_POLARITY_NEGATIVE 0x00000000
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#define OPENPIC_IMASK 0x80000000
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#define OPENPIC_ACTIVITY 0x40000000
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#define OPENPIC_PRIORITY_MASK 0x000f0000
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#define OPENPIC_PRIORITY_SHIFT 16
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#define OPENPIC_VECTOR_MASK 0x000000ff
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/* interrupt destination cpu */
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#ifndef OPENPIC_IDEST
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#define OPENPIC_IDEST(irq) (0x10010 + (irq) * 0x20)
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#endif
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/*
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* Per Processor Registers [global access] (0x20000 - 0x3ffff)
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*/
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#define OPENPIC_PCPU_BASE(cpu) (0x20000 + (cpu) * 0x1000)
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#define OPENPIC_PCPU_IPI_DISPATCH(cpu, ipi) \
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(OPENPIC_PCPU_BASE(cpu) + OPENPIC_IPI_DISPATCH(ipi))
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#define OPENPIC_PCPU_TPR(cpu) \
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(OPENPIC_PCPU_BASE(cpu) + OPENPIC_TPR)
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#define OPENPIC_PCPU_WHOAMI(cpu) \
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(OPENPIC_PCPU_BASE(cpu) + OPENPIC_WHOAMI)
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#define OPENPIC_PCPU_IACK(cpu) \
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(OPENPIC_PCPU_BASE(cpu) + OPENPIC_IACK)
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#define OPENPIC_PCPU_EOI(cpu) \
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(OPENPIC_PCPU_BASE(cpu) + OPENPIC_EOI)
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