1/* 2 * arch/arm/mach-footbridge/include/mach/irqs.h 3 * 4 * Copyright (C) 1998 Russell King 5 * Copyright (C) 1998 Phil Blundell 6 * 7 * Changelog: 8 * 20-Jan-1998 RMK Started merge of EBSA286, CATS and NetWinder 9 * 01-Feb-1999 PJB ISA IRQs start at 0 not 16 10 */ 11#include <asm/mach-types.h> 12 13#define NR_IRQS 36 14#define NR_DC21285_IRQS 16 15 16#define _ISA_IRQ(x) (0 + (x)) 17#define _ISA_INR(x) ((x) - 0) 18#define _DC21285_IRQ(x) (16 + (x)) 19#define _DC21285_INR(x) ((x) - 16) 20 21/* 22 * This is a list of all interrupts that the 21285 23 * can generate and we handle. 24 */ 25#define IRQ_CONRX _DC21285_IRQ(0) 26#define IRQ_CONTX _DC21285_IRQ(1) 27#define IRQ_TIMER1 _DC21285_IRQ(2) 28#define IRQ_TIMER2 _DC21285_IRQ(3) 29#define IRQ_TIMER3 _DC21285_IRQ(4) 30#define IRQ_IN0 _DC21285_IRQ(5) 31#define IRQ_IN1 _DC21285_IRQ(6) 32#define IRQ_IN2 _DC21285_IRQ(7) 33#define IRQ_IN3 _DC21285_IRQ(8) 34#define IRQ_DOORBELLHOST _DC21285_IRQ(9) 35#define IRQ_DMA1 _DC21285_IRQ(10) 36#define IRQ_DMA2 _DC21285_IRQ(11) 37#define IRQ_PCI _DC21285_IRQ(12) 38#define IRQ_SDRAMPARITY _DC21285_IRQ(13) 39#define IRQ_I2OINPOST _DC21285_IRQ(14) 40#define IRQ_PCI_ABORT _DC21285_IRQ(15) 41#define IRQ_PCI_SERR _DC21285_IRQ(16) 42#define IRQ_DISCARD_TIMER _DC21285_IRQ(17) 43#define IRQ_PCI_DPERR _DC21285_IRQ(18) 44#define IRQ_PCI_PERR _DC21285_IRQ(19) 45 46#define IRQ_ISA_TIMER _ISA_IRQ(0) 47#define IRQ_ISA_KEYBOARD _ISA_IRQ(1) 48#define IRQ_ISA_CASCADE _ISA_IRQ(2) 49#define IRQ_ISA_UART2 _ISA_IRQ(3) 50#define IRQ_ISA_UART _ISA_IRQ(4) 51#define IRQ_ISA_FLOPPY _ISA_IRQ(6) 52#define IRQ_ISA_PRINTER _ISA_IRQ(7) 53#define IRQ_ISA_RTC_ALARM _ISA_IRQ(8) 54#define IRQ_ISA_2 _ISA_IRQ(9) 55#define IRQ_ISA_PS2MOUSE _ISA_IRQ(12) 56#define IRQ_ISA_HARDDISK1 _ISA_IRQ(14) 57#define IRQ_ISA_HARDDISK2 _ISA_IRQ(15) 58 59#define IRQ_MASK_UART_RX (1 << 2) 60#define IRQ_MASK_UART_TX (1 << 3) 61#define IRQ_MASK_TIMER1 (1 << 4) 62#define IRQ_MASK_TIMER2 (1 << 5) 63#define IRQ_MASK_TIMER3 (1 << 6) 64#define IRQ_MASK_IN0 (1 << 8) 65#define IRQ_MASK_IN1 (1 << 9) 66#define IRQ_MASK_IN2 (1 << 10) 67#define IRQ_MASK_IN3 (1 << 11) 68#define IRQ_MASK_DOORBELLHOST (1 << 15) 69#define IRQ_MASK_DMA1 (1 << 16) 70#define IRQ_MASK_DMA2 (1 << 17) 71#define IRQ_MASK_PCI (1 << 18) 72#define IRQ_MASK_SDRAMPARITY (1 << 24) 73#define IRQ_MASK_I2OINPOST (1 << 25) 74#define IRQ_MASK_PCI_ABORT ((1 << 29) | (1 << 30)) 75#define IRQ_MASK_PCI_SERR (1 << 23) 76#define IRQ_MASK_DISCARD_TIMER (1 << 27) 77#define IRQ_MASK_PCI_DPERR (1 << 28) 78#define IRQ_MASK_PCI_PERR (1 << 31) 79 80/* 81 * Netwinder interrupt allocations 82 */ 83#define IRQ_NETWINDER_ETHER10 IRQ_IN0 84#define IRQ_NETWINDER_ETHER100 IRQ_IN1 85#define IRQ_NETWINDER_VIDCOMP IRQ_IN2 86#define IRQ_NETWINDER_PS2MOUSE _ISA_IRQ(5) 87#define IRQ_NETWINDER_IR _ISA_IRQ(6) 88#define IRQ_NETWINDER_BUTTON _ISA_IRQ(10) 89#define IRQ_NETWINDER_VGA _ISA_IRQ(11) 90#define IRQ_NETWINDER_SOUND _ISA_IRQ(12) 91 92#undef RTC_IRQ 93#define RTC_IRQ IRQ_ISA_RTC_ALARM 94#define I8042_KBD_IRQ IRQ_ISA_KEYBOARD 95#define I8042_AUX_IRQ (machine_is_netwinder() ? IRQ_NETWINDER_PS2MOUSE : IRQ_ISA_PS2MOUSE) 96#define IRQ_FLOPPYDISK IRQ_ISA_FLOPPY 97 98#define irq_canonicalize(_i) (((_i) == IRQ_ISA_CASCADE) ? IRQ_ISA_2 : _i) 99