include/asm-arm/arch-ixp2000/irqs.h

   1 /*
   2  * linux/include/asm-arm/arch-ixp2000/irqs.h
   3  *
   4  * Original Author: Naeem Afzal <naeem.m.afzal@intel.com>
   5  * Maintainer: Deepak Saxena <dsaxena@plexity.net>
   6  *
   7  * Copyright (C) 2002 Intel Corp.
   8  * Copyright (C) 2003-2004 MontaVista Software, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #ifndef _IRQS_H
  16 #define _IRQS_H
  17
  18 /*
  19  * Do NOT add #ifdef MACHINE_FOO in here.
  20  * Simpy add your machine IRQs here and increase NR_IRQS if needed to
  21  * hold your machine's IRQ table.
  22  */
  23
  24 /*
  25  * Some interrupt numbers go unused b/c the IRQ mask/ummask/status
  26  * register has those bit reserved. We just mark those interrupts
  27  * as invalid and this allows us to do mask/unmask with a single
  28  * shift operation instead of having to map the IRQ number to
  29  * a HW IRQ number.
  30  */
  31 #define IRQ_IXP2000_SWI                 0 /* soft interrupt */
  32 #define IRQ_IXP2000_ERRSUM              1 /* OR of all bits in ErrorStatus reg*/
  33 #define IRQ_IXP2000_UART                2
  34 #define IRQ_IXP2000_GPIO                3
  35 #define IRQ_IXP2000_TIMER1              4
  36 #define IRQ_IXP2000_TIMER2              5
  37 #define IRQ_IXP2000_TIMER3              6
  38 #define IRQ_IXP2000_TIMER4              7
  39 #define IRQ_IXP2000_PMU                 8
  40 #define IRQ_IXP2000_SPF                 9  /* Slow port framer IRQ */
  41 #define IRQ_IXP2000_DMA1                10
  42 #define IRQ_IXP2000_DMA2                11
  43 #define IRQ_IXP2000_DMA3                12
  44 #define IRQ_IXP2000_PCI_DOORBELL        13
  45 #define IRQ_IXP2000_ME_ATTN             14
  46 #define IRQ_IXP2000_PCI                 15 /* PCI INTA or INTB */
  47 #define IRQ_IXP2000_THDA0               16 /* thread 0-31A */
  48 #define IRQ_IXP2000_THDA1               17 /* thread 32-63A */
  49 #define IRQ_IXP2000_THDA2               18 /* thread 64-95A */
  50 #define IRQ_IXP2000_THDA3               19 /* thread 96-127A */
  51 #define IRQ_IXP2000_THDB0               24 /* thread 0-31 B */
  52 #define IRQ_IXP2000_THDB1               25 /* thread 32-63B */
  53 /* only 64 threads supported for IXP2400, rest or for IXP2800*/
  54 #define IRQ_IXP2000_THDB2               26 /* thread 64-95B */
  55 #define IRQ_IXP2000_THDB3               27 /* thread 96-127B */
  56
  57 /* define generic GPIOs */
  58 #define IRQ_IXP2000_GPIO0               32
  59 #define IRQ_IXP2000_GPIO1               33
  60 #define IRQ_IXP2000_GPIO2               34
  61 #define IRQ_IXP2000_GPIO3               35
  62 #define IRQ_IXP2000_GPIO4               36
  63 #define IRQ_IXP2000_GPIO5               37
  64 #define IRQ_IXP2000_GPIO6               38
  65 #define IRQ_IXP2000_GPIO7               39
  66
  67 /* split off the 2 PCI sources */
  68 #define IRQ_IXP2000_PCIA                40
  69 #define IRQ_IXP2000_PCIB                41
  70
  71 /* Int sources from IRQ_ERROR_STATUS */
  72 #define IRQ_IXP2000_DRAM0_MIN_ERR       42
  73 #define IRQ_IXP2000_DRAM0_MAJ_ERR       43
  74 #define IRQ_IXP2000_DRAM1_MIN_ERR       44
  75 #define IRQ_IXP2000_DRAM1_MAJ_ERR       45
  76 #define IRQ_IXP2000_DRAM2_MIN_ERR       46
  77 #define IRQ_IXP2000_DRAM2_MAJ_ERR       47
  78 #define IRQ_IXP2000_SRAM0_ERR           48
  79 #define IRQ_IXP2000_SRAM1_ERR           49
  80 #define IRQ_IXP2000_SRAM2_ERR           50
  81 #define IRQ_IXP2000_SRAM3_ERR           51
  82 #define IRQ_IXP2000_MEDIA_ERR           52
  83 #define IRQ_IXP2000_PCI_ERR             53
  84 #define IRQ_IXP2000_SP_INT              54
  85
  86 #define NR_IXP2000_IRQS                 55
  87
  88 #define IXP2000_BOARD_IRQ(x)            (NR_IXP2000_IRQS + (x))
  89
  90 #define IXP2000_BOARD_IRQ_MASK(irq)     (1 << (irq - NR_IXP2000_IRQS))
  91
  92 /*
  93  * This allows for all the on-chip sources plus up to 32 CPLD based
  94  * IRQs. Should be more than enough.
  95  */
  96 #define IXP2000_BOARD_IRQS              32
  97 #define NR_IRQS                         (NR_IXP2000_IRQS + IXP2000_BOARD_IRQS)
  98
  99
 100 /*
 101  * IXDP2400 specific IRQs
 102  */
 103 #define IRQ_IXDP2400_INGRESS_NPU        IXP2000_BOARD_IRQ(0)
 104 #define IRQ_IXDP2400_ENET               IXP2000_BOARD_IRQ(1)
 105 #define IRQ_IXDP2400_MEDIA_PCI          IXP2000_BOARD_IRQ(2)
 106 #define IRQ_IXDP2400_MEDIA_SP           IXP2000_BOARD_IRQ(3)
 107 #define IRQ_IXDP2400_SF_PCI             IXP2000_BOARD_IRQ(4)
 108 #define IRQ_IXDP2400_SF_SP              IXP2000_BOARD_IRQ(5)
 109 #define IRQ_IXDP2400_PMC                IXP2000_BOARD_IRQ(6)
 110 #define IRQ_IXDP2400_TVM                IXP2000_BOARD_IRQ(7)
 111
 112 #define NR_IXDP2400_IRQS                ((IRQ_IXDP2400_TVM)+1)
 113 #define IXDP2400_NR_IRQS                NR_IXDP2400_IRQS - NR_IXP2000_IRQS
 114
 115 /* IXDP2800 specific IRQs */
 116 #define IRQ_IXDP2800_EGRESS_ENET        IXP2000_BOARD_IRQ(0)
 117 #define IRQ_IXDP2800_INGRESS_NPU        IXP2000_BOARD_IRQ(1)
 118 #define IRQ_IXDP2800_PMC                IXP2000_BOARD_IRQ(2)
 119 #define IRQ_IXDP2800_FABRIC_PCI         IXP2000_BOARD_IRQ(3)
 120 #define IRQ_IXDP2800_FABRIC             IXP2000_BOARD_IRQ(4)
 121 #define IRQ_IXDP2800_MEDIA              IXP2000_BOARD_IRQ(5)
 122
 123 #define NR_IXDP2800_IRQS                ((IRQ_IXDP2800_MEDIA)+1)
 124 #define IXDP2800_NR_IRQS                NR_IXDP2800_IRQS - NR_IXP2000_IRQS
 125
 126 /*
 127  * IRQs on both IXDP2x01 boards
 128  */
 129 #define IRQ_IXDP2X01_SPCI_DB_0          IXP2000_BOARD_IRQ(2)
 130 #define IRQ_IXDP2X01_SPCI_DB_1          IXP2000_BOARD_IRQ(3)
 131 #define IRQ_IXDP2X01_SPCI_PMC_INTA      IXP2000_BOARD_IRQ(4)
 132 #define IRQ_IXDP2X01_SPCI_PMC_INTB      IXP2000_BOARD_IRQ(5)
 133 #define IRQ_IXDP2X01_SPCI_PMC_INTC      IXP2000_BOARD_IRQ(6)
 134 #define IRQ_IXDP2X01_SPCI_PMC_INTD      IXP2000_BOARD_IRQ(7)
 135 #define IRQ_IXDP2X01_SPCI_FIC_INT       IXP2000_BOARD_IRQ(8)
 136 #define IRQ_IXDP2X01_IPMI_FROM          IXP2000_BOARD_IRQ(16)
 137 #define IRQ_IXDP2X01_125US              IXP2000_BOARD_IRQ(17)
 138 #define IRQ_IXDP2X01_DB_0_ADD           IXP2000_BOARD_IRQ(18)
 139 #define IRQ_IXDP2X01_DB_1_ADD           IXP2000_BOARD_IRQ(19)
 140 #define IRQ_IXDP2X01_UART1              IXP2000_BOARD_IRQ(21)
 141 #define IRQ_IXDP2X01_UART2              IXP2000_BOARD_IRQ(22)
 142 #define IRQ_IXDP2X01_FIC_ADD_INT        IXP2000_BOARD_IRQ(24)
 143 #define IRQ_IXDP2X01_CS8900             IXP2000_BOARD_IRQ(25)
 144 #define IRQ_IXDP2X01_BBSRAM             IXP2000_BOARD_IRQ(26)
 145
 146 #define IXDP2X01_VALID_IRQ_MASK ( \
 147                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_DB_0) | \
 148                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_DB_1) | \
 149                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTA) | \
 150                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTB) | \
 151                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTC) | \
 152                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTD) | \
 153                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_FIC_INT) | \
 154                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_IPMI_FROM) | \
 155                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_125US) | \
 156                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_DB_0_ADD) | \
 157                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_DB_1_ADD) | \
 158                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_UART1) | \
 159                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_UART2) | \
 160                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_FIC_ADD_INT) | \
 161                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_CS8900) | \
 162                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_BBSRAM) )
 163
 164 /*
 165  * IXDP2401 specific IRQs
 166  */
 167 #define IRQ_IXDP2401_INTA_82546         IXP2000_BOARD_IRQ(0)
 168 #define IRQ_IXDP2401_INTB_82546         IXP2000_BOARD_IRQ(1)
 169
 170 #define IXDP2401_VALID_IRQ_MASK ( \
 171                 IXDP2X01_VALID_IRQ_MASK | \
 172                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2401_INTA_82546) |\
 173                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2401_INTB_82546))
 174
 175 /*
 176  * IXDP2801-specific IRQs
 177  */
 178 #define IRQ_IXDP2801_RIV                IXP2000_BOARD_IRQ(0)
 179 #define IRQ_IXDP2801_CNFG_MEDIA         IXP2000_BOARD_IRQ(27)
 180 #define IRQ_IXDP2801_CLOCK_REF          IXP2000_BOARD_IRQ(28)
 181
 182 #define IXDP2801_VALID_IRQ_MASK ( \
 183                 IXDP2X01_VALID_IRQ_MASK | \
 184                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2801_RIV) |\
 185                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2801_CNFG_MEDIA) |\
 186                 IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2801_CLOCK_REF))
 187
 188 #define NR_IXDP2X01_IRQS                ((IRQ_IXDP2801_CLOCK_REF) + 1)
 189
 190 #endif /*_IRQS_H*/