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 #define I8042_KBD_IRQ IRQ_ISA_KEYBOARD 93 #define I8042_AUX_IRQ (machine_is_netwinder() ? IRQ_NETWINDER_PS2MOUSE : IRQ_ISA_PS2MOUSE) 94 #define IRQ_FLOPPYDISK IRQ_ISA_FLOPPY 95 96 #define irq_canonicalize(_i) (((_i) == IRQ_ISA_CASCADE) ? IRQ_ISA_2 : _i) 97