Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/arm/mach-footbridge/include/mach/irqs.h
26299 views
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


99