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) 98