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1da177e4 LT |
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) |