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

97 lines
3.0 KiB
C

/*
* 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)
#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)