sys/powerpc/include/openpicreg.h

   1 /*-
   2  * SPDX-License-Identifier: BSD-3-Clause
   3  *
   4  * Copyright (c) 2000 Tsubai Masanari.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * from NetBSD: openpicreg.h,v 1.3 2001/08/30 03:08:52 briggs Exp
  29  * $FreeBSD$
  30  */
  31
  32 /*
  33  * Size of OpenPIC register space
  34  */
  35 #define OPENPIC_SIZE                    0x40000
  36
  37 /*
  38  * Per Processor Registers [private access] (0x00000 - 0x00fff)
  39  */
  40
  41 /* IPI dispatch command reg */
  42 #define OPENPIC_IPI_DISPATCH(ipi)       (0x40 + (ipi) * 0x10)
  43
  44 /* current task priority reg */
  45 #define OPENPIC_TPR                     0x80
  46 #define  OPENPIC_TPR_MASK                       0x0000000f
  47
  48 #define OPENPIC_WHOAMI                  0x90
  49
  50 /* interrupt acknowledge reg */
  51 #define OPENPIC_IACK                    0xa0
  52
  53 /* end of interrupt reg */
  54 #define OPENPIC_EOI                     0xb0
  55
  56 /*
  57  * Global registers (0x01000-0x0ffff)
  58  */
  59
  60 /* feature reporting reg 0 */
  61 #define OPENPIC_FEATURE                 0x1000
  62 #define  OPENPIC_FEATURE_VERSION_MASK           0x000000ff
  63 #define  OPENPIC_FEATURE_LAST_CPU_MASK          0x00001f00
  64 #define  OPENPIC_FEATURE_LAST_CPU_SHIFT         8
  65 #define  OPENPIC_FEATURE_LAST_IRQ_MASK          0x07ff0000
  66 #define  OPENPIC_FEATURE_LAST_IRQ_SHIFT         16
  67
  68 /* global config reg 0 */
  69 #define OPENPIC_CONFIG                  0x1020
  70 #define  OPENPIC_CONFIG_RESET                   0x80000000
  71 #define  OPENPIC_CONFIG_8259_PASSTHRU_DISABLE   0x20000000
  72
  73 /* interrupt configuration mode (direct or serial) */
  74 #define OPENPIC_ICR                     0x1030
  75 #define  OPENPIC_ICR_SERIAL_MODE                (1 << 27)
  76 #define  OPENPIC_ICR_SERIAL_RATIO_MASK          (0x7 << 28)
  77 #define  OPENPIC_ICR_SERIAL_RATIO_SHIFT         28
  78
  79 /* vendor ID */
  80 #define OPENPIC_VENDOR_ID               0x1080
  81
  82 /* processor initialization reg */
  83 #define OPENPIC_PROC_INIT               0x1090
  84
  85 /* IPI vector/priority reg */
  86 #define OPENPIC_IPI_VECTOR(ipi)         (0x10a0 + (ipi) * 0x10)
  87
  88 /* spurious intr. vector */
  89 #define OPENPIC_SPURIOUS_VECTOR         0x10e0
  90
  91 /* Timer registers */
  92 #define OPENPIC_TIMERS                  4
  93 #define OPENPIC_TFREQ                   0x10f0
  94 #define OPENPIC_TCNT(t)                 (0x1100 + (t) * 0x40)
  95 #define OPENPIC_TBASE(t)                (0x1110 + (t) * 0x40)
  96 #define OPENPIC_TVEC(t)                 (0x1120 + (t) * 0x40)
  97 #define OPENPIC_TDST(t)                 (0x1130 + (t) * 0x40)
  98
  99 /*
 100  * Interrupt Source Configuration Registers (0x10000 - 0x1ffff)
 101  */
 102
 103 /* interrupt vector/priority reg */
 104 #define OPENPIC_SRC_VECTOR_COUNT        64
 105 #ifndef OPENPIC_SRC_VECTOR
 106 #define OPENPIC_SRC_VECTOR(irq)         (0x10000 + (irq) * 0x20)
 107 #endif
 108 #define  OPENPIC_SENSE_LEVEL                    0x00400000
 109 #define  OPENPIC_SENSE_EDGE                     0x00000000
 110 #define  OPENPIC_POLARITY_POSITIVE              0x00800000
 111 #define  OPENPIC_POLARITY_NEGATIVE              0x00000000
 112 #define  OPENPIC_IMASK                          0x80000000
 113 #define  OPENPIC_ACTIVITY                       0x40000000
 114 #define  OPENPIC_PRIORITY_MASK                  0x000f0000
 115 #define  OPENPIC_PRIORITY_SHIFT                 16
 116 #define  OPENPIC_VECTOR_MASK                    0x000000ff
 117
 118 /* interrupt destination cpu */
 119 #ifndef OPENPIC_IDEST
 120 #define OPENPIC_IDEST(irq)              (0x10010 + (irq) * 0x20)
 121 #endif
 122
 123 /*
 124  * Per Processor Registers [global access] (0x20000 - 0x3ffff)
 125  */
 126
 127 #define OPENPIC_PCPU_BASE(cpu)          (0x20000 + (cpu) * 0x1000)
 128
 129 #define OPENPIC_PCPU_IPI_DISPATCH(cpu, ipi)     \
 130         (OPENPIC_PCPU_BASE(cpu) + OPENPIC_IPI_DISPATCH(ipi))
 131
 132 #define OPENPIC_PCPU_TPR(cpu)           \
 133         (OPENPIC_PCPU_BASE(cpu) + OPENPIC_TPR)
 134
 135 #define OPENPIC_PCPU_WHOAMI(cpu)                \
 136         (OPENPIC_PCPU_BASE(cpu) + OPENPIC_WHOAMI)
 137
 138 #define OPENPIC_PCPU_IACK(cpu)                  \
 139         (OPENPIC_PCPU_BASE(cpu) + OPENPIC_IACK)
 140
 141 #define OPENPIC_PCPU_EOI(cpu)                   \
 142         (OPENPIC_PCPU_BASE(cpu) + OPENPIC_EOI)