2005-04-17 06:20:36 +08:00
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/*
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2008-08-05 23:14:15 +08:00
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* arch/arm/mach-footbridge/include/mach/irqs.h
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2005-04-17 06:20:36 +08:00
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*
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* Copyright (C) 1998 Russell King
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* Copyright (C) 1998 Phil Blundell
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*
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* Changelog:
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* 20-Jan-1998 RMK Started merge of EBSA286, CATS and NetWinder
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* 01-Feb-1999 PJB ISA IRQs start at 0 not 16
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*/
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#include <asm/mach-types.h>
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#define NR_IRQS 36
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#define NR_DC21285_IRQS 16
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#define _ISA_IRQ(x) (0 + (x))
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#define _ISA_INR(x) ((x) - 0)
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#define _DC21285_IRQ(x) (16 + (x))
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#define _DC21285_INR(x) ((x) - 16)
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/*
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* This is a list of all interrupts that the 21285
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* can generate and we handle.
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*/
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#define IRQ_CONRX _DC21285_IRQ(0)
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#define IRQ_CONTX _DC21285_IRQ(1)
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#define IRQ_TIMER1 _DC21285_IRQ(2)
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#define IRQ_TIMER2 _DC21285_IRQ(3)
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#define IRQ_TIMER3 _DC21285_IRQ(4)
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#define IRQ_IN0 _DC21285_IRQ(5)
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#define IRQ_IN1 _DC21285_IRQ(6)
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#define IRQ_IN2 _DC21285_IRQ(7)
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#define IRQ_IN3 _DC21285_IRQ(8)
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#define IRQ_DOORBELLHOST _DC21285_IRQ(9)
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#define IRQ_DMA1 _DC21285_IRQ(10)
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#define IRQ_DMA2 _DC21285_IRQ(11)
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#define IRQ_PCI _DC21285_IRQ(12)
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#define IRQ_SDRAMPARITY _DC21285_IRQ(13)
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#define IRQ_I2OINPOST _DC21285_IRQ(14)
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#define IRQ_PCI_ABORT _DC21285_IRQ(15)
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#define IRQ_PCI_SERR _DC21285_IRQ(16)
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#define IRQ_DISCARD_TIMER _DC21285_IRQ(17)
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#define IRQ_PCI_DPERR _DC21285_IRQ(18)
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#define IRQ_PCI_PERR _DC21285_IRQ(19)
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#define IRQ_ISA_TIMER _ISA_IRQ(0)
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#define IRQ_ISA_KEYBOARD _ISA_IRQ(1)
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#define IRQ_ISA_CASCADE _ISA_IRQ(2)
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#define IRQ_ISA_UART2 _ISA_IRQ(3)
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#define IRQ_ISA_UART _ISA_IRQ(4)
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#define IRQ_ISA_FLOPPY _ISA_IRQ(6)
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#define IRQ_ISA_PRINTER _ISA_IRQ(7)
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#define IRQ_ISA_RTC_ALARM _ISA_IRQ(8)
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#define IRQ_ISA_2 _ISA_IRQ(9)
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#define IRQ_ISA_PS2MOUSE _ISA_IRQ(12)
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#define IRQ_ISA_HARDDISK1 _ISA_IRQ(14)
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#define IRQ_ISA_HARDDISK2 _ISA_IRQ(15)
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#define IRQ_MASK_UART_RX (1 << 2)
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#define IRQ_MASK_UART_TX (1 << 3)
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#define IRQ_MASK_TIMER1 (1 << 4)
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#define IRQ_MASK_TIMER2 (1 << 5)
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#define IRQ_MASK_TIMER3 (1 << 6)
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#define IRQ_MASK_IN0 (1 << 8)
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#define IRQ_MASK_IN1 (1 << 9)
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#define IRQ_MASK_IN2 (1 << 10)
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#define IRQ_MASK_IN3 (1 << 11)
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#define IRQ_MASK_DOORBELLHOST (1 << 15)
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#define IRQ_MASK_DMA1 (1 << 16)
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#define IRQ_MASK_DMA2 (1 << 17)
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#define IRQ_MASK_PCI (1 << 18)
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#define IRQ_MASK_SDRAMPARITY (1 << 24)
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#define IRQ_MASK_I2OINPOST (1 << 25)
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#define IRQ_MASK_PCI_ABORT ((1 << 29) | (1 << 30))
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#define IRQ_MASK_PCI_SERR (1 << 23)
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#define IRQ_MASK_DISCARD_TIMER (1 << 27)
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#define IRQ_MASK_PCI_DPERR (1 << 28)
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#define IRQ_MASK_PCI_PERR (1 << 31)
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/*
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* Netwinder interrupt allocations
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*/
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#define IRQ_NETWINDER_ETHER10 IRQ_IN0
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#define IRQ_NETWINDER_ETHER100 IRQ_IN1
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#define IRQ_NETWINDER_VIDCOMP IRQ_IN2
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#define IRQ_NETWINDER_PS2MOUSE _ISA_IRQ(5)
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#define IRQ_NETWINDER_IR _ISA_IRQ(6)
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#define IRQ_NETWINDER_BUTTON _ISA_IRQ(10)
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#define IRQ_NETWINDER_VGA _ISA_IRQ(11)
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#define IRQ_NETWINDER_SOUND _ISA_IRQ(12)
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#undef RTC_IRQ
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#define RTC_IRQ IRQ_ISA_RTC_ALARM
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#define I8042_KBD_IRQ IRQ_ISA_KEYBOARD
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#define I8042_AUX_IRQ (machine_is_netwinder() ? IRQ_NETWINDER_PS2MOUSE : IRQ_ISA_PS2MOUSE)
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#define IRQ_FLOPPYDISK IRQ_ISA_FLOPPY
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#define irq_canonicalize(_i) (((_i) == IRQ_ISA_CASCADE) ? IRQ_ISA_2 : _i)
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