1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/* $OpenBSD: bonito_irq.h,v 1.2 2010/05/08 21:59:56 miod Exp $ */
/*
* Copyright (c) 2009, 2010 Miodrag Vallat.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Bonito interrupt assignments
*/
/*
* Loongson 2F assignments
*/
#define LOONGSON_INTR_GPIO0 0
#define LOONGSON_INTR_GPIO1 1
#define LOONGSON_INTR_GPIO2 2
#define LOONGSON_INTR_GPIO3 3
/* pci interrupts */
#define LOONGSON_INTR_PCIA 4
#define LOONGSON_INTR_PCIB 5
#define LOONGSON_INTR_PCIC 6
#define LOONGSON_INTR_PCID 7
#define LOONGSON_INTR_PCI_PARERR 8
#define LOONGSON_INTR_PCI_SYSERR 9
#define LOONGSON_INTR_DRAM_PARERR 10
/* non-PCI interrupts */
#define LOONGSON_INTR_INT0 11
#define LOONGSON_INTR_INT1 12
#define LOONGSON_INTR_INT2 13
#define LOONGSON_INTR_INT3 14
#define LOONGSON_INTRMASK_GPIO0 0x00000001 /* can't interrupt */
#define LOONGSON_INTRMASK_GPIO1 0x00000002
#define LOONGSON_INTRMASK_GPIO2 0x00000004
#define LOONGSON_INTRMASK_GPIO3 0x00000008
#define LOONGSON_INTRMASK_GPIO 0x0000000f
/* pci interrupts */
#define LOONGSON_INTRMASK_PCIA 0x00000010
#define LOONGSON_INTRMASK_PCIB 0x00000020
#define LOONGSON_INTRMASK_PCIC 0x00000040
#define LOONGSON_INTRMASK_PCID 0x00000080
#define LOONGSON_INTRMASK_PCI_PARERR 0x00000100
#define LOONGSON_INTRMASK_PCI_SYSERR 0x00000200
#define LOONGSON_INTRMASK_DRAM_PARERR 0x00000400
/* non-PCI interrupts */
#define LOONGSON_INTRMASK_INT0 0x00000800
#define LOONGSON_INTRMASK_INT1 0x00001000
#define LOONGSON_INTRMASK_INT2 0x00002000
#define LOONGSON_INTRMASK_INT3 0x00004000
#define LOONGSON_INTRMASK_LVL0 0x00007800 /* not maskable in bonito */
#define LOONGSON_INTRMASK_LVL4 0x000007ff
/*
* Loongson 2E (Bonito64) assignments
*/
#define BONITO_INTRMASK_MBOX 0x0000000f
#define BONITO_INTR_MBOX 0
#define BONITO_INTRMASK_DMARDY 0x00000010
#define BONITO_INTRMASK_DMAEMPTY 0x00000020
#define BONITO_INTRMASK_COPYRDY 0x00000040
#define BONITO_INTRMASK_COPYEMPTY 0x00000080
#define BONITO_INTRMASK_COPYERR 0x00000100
#define BONITO_INTRMASK_PCIIRQ 0x00000200
#define BONITO_INTRMASK_MASTERERR 0x00000400
#define BONITO_INTRMASK_SYSTEMERR 0x00000800
#define BONITO_INTRMASK_DRAMPERR 0x00001000
#define BONITO_INTRMASK_RETRYERR 0x00002000
#define BONITO_INTRMASK_GPIO 0x01ff0000
#define BONITO_INTR_GPIO 16
#define BONITO_INTRMASK_GPIN 0x7e000000
#define BONITO_INTR_GPIN 25
/*
* Bonito interrupt handling recipes:
* - we have up to 32 interrupts at the Bonito level.
* - systems with ISA devices also have 16 (well, 15) ISA interrupts with the
* usual 8259 pair. Bonito and ISA interrupts happen on two different levels.
*
* These arbitrary values may be changed as long as interrupt mask variables
* use large enough integer types and always use the following macros to
* handle interrupt masks.
*/
#define INTPRI_BONITO (INTPRI_CLOCK + 1)
#define INTPRI_ISA (INTPRI_BONITO + 1)
#define BONITO_NDIRECT 32
#define BONITO_NISA 16
#define BONITO_NINTS (BONITO_NDIRECT + BONITO_NISA)
#define BONITO_ISA_IRQ(i) ((i) + BONITO_NDIRECT)
#define BONITO_DIRECT_IRQ(i) (i)
#define BONITO_IRQ_IS_ISA(i) ((i) >= BONITO_NDIRECT)
#define BONITO_IRQ_TO_ISA(i) ((i) - BONITO_NDIRECT)
#define BONITO_DIRECT_MASK(imask) ((imask) & ((1L << BONITO_NDIRECT) - 1))
#define BONITO_ISA_MASK(imask) ((imask) >> BONITO_NDIRECT)
extern struct intrhand *bonito_intrhand[BONITO_NINTS];
extern uint64_t bonito_intem;
extern uint64_t bonito_imask[NIPLS];
|
