arch/arm/mach-footbridge/include/mach/irqs.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * arch/arm/mach-footbridge/include/mach/irqs.h
   4  *
   5  * Copyright (C) 1998 Russell King
   6  * Copyright (C) 1998 Phil Blundell
   7  *
   8  * Changelog:
   9  *  20-Jan-1998 RMK     Started merge of EBSA286, CATS and NetWinder
  10  *  01-Feb-1999 PJB     ISA IRQs start at 0 not 16
  11  */
  12 #include <asm/mach-types.h>
  13
  14 #define NR_IRQS                 36
  15 #define NR_DC21285_IRQS         16
  16
  17 #define _ISA_IRQ(x)             (0 + (x))
  18 #define _ISA_INR(x)             ((x) - 0)
  19 #define _DC21285_IRQ(x)         (16 + (x))
  20 #define _DC21285_INR(x)         ((x) - 16)
  21
  22 /*
  23  * This is a list of all interrupts that the 21285
  24  * can generate and we handle.
  25  */
  26 #define IRQ_CONRX               _DC21285_IRQ(0)
  27 #define IRQ_CONTX               _DC21285_IRQ(1)
  28 #define IRQ_TIMER1              _DC21285_IRQ(2)
  29 #define IRQ_TIMER2              _DC21285_IRQ(3)
  30 #define IRQ_TIMER3              _DC21285_IRQ(4)
  31 #define IRQ_IN0                 _DC21285_IRQ(5)
  32 #define IRQ_IN1                 _DC21285_IRQ(6)
  33 #define IRQ_IN2                 _DC21285_IRQ(7)
  34 #define IRQ_IN3                 _DC21285_IRQ(8)
  35 #define IRQ_DOORBELLHOST        _DC21285_IRQ(9)
  36 #define IRQ_DMA1                _DC21285_IRQ(10)
  37 #define IRQ_DMA2                _DC21285_IRQ(11)
  38 #define IRQ_PCI                 _DC21285_IRQ(12)
  39 #define IRQ_SDRAMPARITY         _DC21285_IRQ(13)
  40 #define IRQ_I2OINPOST           _DC21285_IRQ(14)
  41 #define IRQ_PCI_ABORT           _DC21285_IRQ(15)
  42 #define IRQ_PCI_SERR            _DC21285_IRQ(16)
  43 #define IRQ_DISCARD_TIMER       _DC21285_IRQ(17)
  44 #define IRQ_PCI_DPERR           _DC21285_IRQ(18)
  45 #define IRQ_PCI_PERR            _DC21285_IRQ(19)
  46
  47 #define IRQ_ISA_TIMER           _ISA_IRQ(0)
  48 #define IRQ_ISA_KEYBOARD        _ISA_IRQ(1)
  49 #define IRQ_ISA_CASCADE         _ISA_IRQ(2)
  50 #define IRQ_ISA_UART2           _ISA_IRQ(3)
  51 #define IRQ_ISA_UART            _ISA_IRQ(4)
  52 #define IRQ_ISA_FLOPPY          _ISA_IRQ(6)
  53 #define IRQ_ISA_PRINTER         _ISA_IRQ(7)
  54 #define IRQ_ISA_RTC_ALARM       _ISA_IRQ(8)
  55 #define IRQ_ISA_2               _ISA_IRQ(9)
  56 #define IRQ_ISA_PS2MOUSE        _ISA_IRQ(12)
  57 #define IRQ_ISA_HARDDISK1       _ISA_IRQ(14)
  58 #define IRQ_ISA_HARDDISK2       _ISA_IRQ(15)
  59
  60 #define IRQ_MASK_UART_RX        (1 << 2)
  61 #define IRQ_MASK_UART_TX        (1 << 3)
  62 #define IRQ_MASK_TIMER1         (1 << 4)
  63 #define IRQ_MASK_TIMER2         (1 << 5)
  64 #define IRQ_MASK_TIMER3         (1 << 6)
  65 #define IRQ_MASK_IN0            (1 << 8)
  66 #define IRQ_MASK_IN1            (1 << 9)
  67 #define IRQ_MASK_IN2            (1 << 10)
  68 #define IRQ_MASK_IN3            (1 << 11)
  69 #define IRQ_MASK_DOORBELLHOST   (1 << 15)
  70 #define IRQ_MASK_DMA1           (1 << 16)
  71 #define IRQ_MASK_DMA2           (1 << 17)
  72 #define IRQ_MASK_PCI            (1 << 18)
  73 #define IRQ_MASK_SDRAMPARITY    (1 << 24)
  74 #define IRQ_MASK_I2OINPOST      (1 << 25)
  75 #define IRQ_MASK_PCI_ABORT      ((1 << 29) | (1 << 30))
  76 #define IRQ_MASK_PCI_SERR       (1 << 23)
  77 #define IRQ_MASK_DISCARD_TIMER  (1 << 27)
  78 #define IRQ_MASK_PCI_DPERR      (1 << 28)
  79 #define IRQ_MASK_PCI_PERR       (1 << 31)
  80
  81 /*
  82  * Netwinder interrupt allocations
  83  */
  84 #define IRQ_NETWINDER_ETHER10   IRQ_IN0
  85 #define IRQ_NETWINDER_ETHER100  IRQ_IN1
  86 #define IRQ_NETWINDER_VIDCOMP   IRQ_IN2
  87 #define IRQ_NETWINDER_PS2MOUSE  _ISA_IRQ(5)
  88 #define IRQ_NETWINDER_IR        _ISA_IRQ(6)
  89 #define IRQ_NETWINDER_BUTTON    _ISA_IRQ(10)
  90 #define IRQ_NETWINDER_VGA       _ISA_IRQ(11)
  91 #define IRQ_NETWINDER_SOUND     _ISA_IRQ(12)
  92
  93 #define I8042_KBD_IRQ   IRQ_ISA_KEYBOARD
  94 #define I8042_AUX_IRQ   (machine_is_netwinder() ? IRQ_NETWINDER_PS2MOUSE : IRQ_ISA_PS2MOUSE)
  95 #define IRQ_FLOPPYDISK  IRQ_ISA_FLOPPY
  96
  97 #define irq_canonicalize(_i)    (((_i) == IRQ_ISA_CASCADE) ? IRQ_ISA_2 : _i)