1 /*
2 * linux/include/asm-arm/arch-ebsa285/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 #undef RTC_IRQ
93 #define RTC_IRQ IRQ_ISA_RTC_ALARM
94 #define I8042_KBD_IRQ IRQ_ISA_KEYBOARD
95 #define I8042_AUX_IRQ (machine_is_netwinder() ? IRQ_NETWINDER_PS2MOUSE : IRQ_ISA_PS2MOUSE)
96 #define IRQ_FLOPPYDISK IRQ_ISA_FLOPPY
97
98 #define irq_canonicalize(_i) (((_i) == IRQ_ISA_CASCADE) ? IRQ_ISA_2 : _i)
99
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