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irqs.h

/*
 * arch/arm/mach-footbridge/include/mach/irqs.h
 *
 * Copyright (C) 1998 Russell King
 * Copyright (C) 1998 Phil Blundell
 *
 * Changelog:
 *  20-Jan-1998   RMK   Started merge of EBSA286, CATS and NetWinder
 *  01-Feb-1999   PJB   ISA IRQs start at 0 not 16
 */
#include <asm/mach-types.h>

#define NR_IRQS               36
#define NR_DC21285_IRQS       16

#define _ISA_IRQ(x)           (0 + (x))
#define _ISA_INR(x)           ((x) - 0)
#define _DC21285_IRQ(x)       (16 + (x))
#define _DC21285_INR(x)       ((x) - 16)

/*
 * This is a list of all interrupts that the 21285
 * can generate and we handle.
 */
#define IRQ_CONRX       _DC21285_IRQ(0)
#define IRQ_CONTX       _DC21285_IRQ(1)
#define IRQ_TIMER1            _DC21285_IRQ(2)
#define IRQ_TIMER2            _DC21285_IRQ(3)
#define IRQ_TIMER3            _DC21285_IRQ(4)
#define IRQ_IN0               _DC21285_IRQ(5)
#define IRQ_IN1               _DC21285_IRQ(6)
#define IRQ_IN2               _DC21285_IRQ(7)
#define IRQ_IN3               _DC21285_IRQ(8)
#define IRQ_DOORBELLHOST      _DC21285_IRQ(9)
#define IRQ_DMA1        _DC21285_IRQ(10)
#define IRQ_DMA2        _DC21285_IRQ(11)
#define IRQ_PCI               _DC21285_IRQ(12)
#define IRQ_SDRAMPARITY       _DC21285_IRQ(13)
#define IRQ_I2OINPOST         _DC21285_IRQ(14)
#define IRQ_PCI_ABORT         _DC21285_IRQ(15)
#define IRQ_PCI_SERR          _DC21285_IRQ(16)
#define IRQ_DISCARD_TIMER     _DC21285_IRQ(17)
#define IRQ_PCI_DPERR         _DC21285_IRQ(18)
#define IRQ_PCI_PERR          _DC21285_IRQ(19)

#define IRQ_ISA_TIMER         _ISA_IRQ(0)
#define IRQ_ISA_KEYBOARD      _ISA_IRQ(1)
#define IRQ_ISA_CASCADE       _ISA_IRQ(2)
#define IRQ_ISA_UART2         _ISA_IRQ(3)
#define IRQ_ISA_UART          _ISA_IRQ(4)
#define IRQ_ISA_FLOPPY        _ISA_IRQ(6)
#define IRQ_ISA_PRINTER       _ISA_IRQ(7)
#define IRQ_ISA_RTC_ALARM     _ISA_IRQ(8)
#define IRQ_ISA_2       _ISA_IRQ(9)
#define IRQ_ISA_PS2MOUSE      _ISA_IRQ(12)
#define IRQ_ISA_HARDDISK1     _ISA_IRQ(14)
#define IRQ_ISA_HARDDISK2     _ISA_IRQ(15)

#define IRQ_MASK_UART_RX      (1 << 2)
#define IRQ_MASK_UART_TX      (1 << 3)
#define IRQ_MASK_TIMER1       (1 << 4)
#define IRQ_MASK_TIMER2       (1 << 5)
#define IRQ_MASK_TIMER3       (1 << 6)
#define IRQ_MASK_IN0          (1 << 8)
#define IRQ_MASK_IN1          (1 << 9)
#define IRQ_MASK_IN2          (1 << 10)
#define IRQ_MASK_IN3          (1 << 11)
#define IRQ_MASK_DOORBELLHOST (1 << 15)
#define IRQ_MASK_DMA1         (1 << 16)
#define IRQ_MASK_DMA2         (1 << 17)
#define IRQ_MASK_PCI          (1 << 18)
#define IRQ_MASK_SDRAMPARITY  (1 << 24)
#define IRQ_MASK_I2OINPOST    (1 << 25)
#define IRQ_MASK_PCI_ABORT    ((1 << 29) | (1 << 30))
#define IRQ_MASK_PCI_SERR     (1 << 23)
#define IRQ_MASK_DISCARD_TIMER      (1 << 27)
#define IRQ_MASK_PCI_DPERR    (1 << 28)
#define IRQ_MASK_PCI_PERR     (1 << 31)

/*
 * Netwinder interrupt allocations
 */
#define IRQ_NETWINDER_ETHER10 IRQ_IN0
#define IRQ_NETWINDER_ETHER100      IRQ_IN1
#define IRQ_NETWINDER_VIDCOMP IRQ_IN2
#define IRQ_NETWINDER_PS2MOUSE      _ISA_IRQ(5)
#define IRQ_NETWINDER_IR      _ISA_IRQ(6)
#define IRQ_NETWINDER_BUTTON  _ISA_IRQ(10)
#define IRQ_NETWINDER_VGA     _ISA_IRQ(11)
#define IRQ_NETWINDER_SOUND   _ISA_IRQ(12)

#undef RTC_IRQ
#define RTC_IRQ         IRQ_ISA_RTC_ALARM
#define I8042_KBD_IRQ   IRQ_ISA_KEYBOARD
#define I8042_AUX_IRQ   (machine_is_netwinder() ? IRQ_NETWINDER_PS2MOUSE : IRQ_ISA_PS2MOUSE)
#define IRQ_FLOPPYDISK  IRQ_ISA_FLOPPY

#define irq_canonicalize(_i)  (((_i) == IRQ_ISA_CASCADE) ? IRQ_ISA_2 : _i)

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