📄 irqs.h
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/* * linux/include/asm-arm/arch-ebsa285/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)#undef RTC_IRQ#define RTC_IRQ IRQ_ISA_RTC_ALARM#undef AUX_IRQ#define AUX_IRQ (machine_is_netwinder() ? IRQ_NETWINDER_PS2MOUSE : IRQ_ISA_PS2MOUSE)#define IRQ_FLOPPYDISK IRQ_ISA_FLOPPY#define irq_cannonicalize(_i) (((_i) == IRQ_ISA_CASCADE) ? IRQ_ISA_2 : _i)⌨️ 快捷键说明
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