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