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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
/* $NetBSD: iq80321_pci.c,v 1.5 2005/12/11 12:17:09 christos Exp $ */
/*
* Copyright (c) 2001, 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe for Wasabi Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* IQ80321 PCI interrupt support.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <armish/dev/iq80321reg.h>
#include <armish/dev/iq80321var.h>
#include <arm/xscale/i80321reg.h>
#include <arm/xscale/i80321var.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/ppbreg.h>
int iq80321_pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
const char *iq80321_pci_intr_string(void *, pci_intr_handle_t);
const struct evcnt *iq80321_pci_intr_evcnt(void *, pci_intr_handle_t);
void *iq80321_pci_intr_establish(void *, pci_intr_handle_t,
int, int (*func)(void *), void *, char *);
void iq80321_pci_intr_disestablish(void *, void *);
void
iq80321_pci_init(pci_chipset_tag_t pc, void *cookie)
{
pc->pc_intr_v = cookie; /* the i80321 softc */
pc->pc_intr_map = iq80321_pci_intr_map;
pc->pc_intr_string = iq80321_pci_intr_string;
pc->pc_intr_establish = iq80321_pci_intr_establish;
pc->pc_intr_disestablish = iq80321_pci_intr_disestablish;
}
int
iq80321_pci_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp)
{
struct i80321_softc *sc = pa->pa_pc->pc_intr_v;
pci_chipset_tag_t pc = pa->pa_pc;
pcitag_t tag = pa->pa_intrtag;
int b, d, f;
uint32_t busno;
uint32_t intr;
/*
* The IQ80321's interrupts are routed like so:
*
* XINT0 i82544 Gig-E
*
* XINT1 UART
*
* XINT2 INTA# from S-PCI-X slot
*
* XINT3 INTB# from S-PCI-X slot
*/
busno = bus_space_read_4(sc->sc_st, sc->sc_atu_sh, ATU_PCIXSR);
busno = PCIXSR_BUSNO(busno);
if (busno == 0xff)
busno = 0;
pci_decompose_tag(pc, tag, &b, &d, &f);
/* No mappings for devices not on our bus. */
if (b != busno)
goto no_mapping;
switch (d) {
#if 1
case 1: /* theucs re(4) 0 */
if (pa->pa_intrpin == 1) {
*ihp = ICU_INT_XINT(2); /* 29 */
pci_conf_write(pc, tag, PCI_INTERRUPT_REG, *ihp);
return (0);
}
goto no_mapping;
case 2: /* theucs re(4) 1 */
if (pa->pa_intrpin == 1) {
*ihp = ICU_INT_XINT(2); /* 30 */
pci_conf_write(pc, tag, PCI_INTERRUPT_REG, *ihp);
return (0);
}
goto no_mapping;
#endif
case 3: /* thecus sata */
if (pa->pa_intrpin == 1) {
*ihp = ICU_INT_XINT(2);
pci_conf_write(pc, tag, PCI_INTERRUPT_REG, *ihp);
return (0);
}
goto no_mapping;
case 4: /* thecus */
#if 0
if (pa->pa_intrpin == 1) { /* thecus uhci1 */
*ihp = ICU_INT_XINT(2);
pci_conf_write(pc, tag, PCI_INTERRUPT_REG, *ihp);
return (0);
}
#endif
#if 0
if (pa->pa_intrpin == 2) { /* thecus uhci1 */
*ihp = ICU_INT_XINT(2);
pci_conf_write(pc, tag, PCI_INTERRUPT_REG, *ihp);
return (0);
}
#endif
if (pa->pa_intrpin == 3) { /* thecus ehci1 */
*ihp = ICU_INT_XINT(2);
pci_conf_write(pc, tag, PCI_INTERRUPT_REG, *ihp);
return (0);
}
goto no_mapping;
case 5: /* thecus minipci slot */
if (pa->pa_intrpin == 1) {
*ihp = ICU_INT_XINT(3);
pci_conf_write(pc, tag, PCI_INTERRUPT_REG, *ihp);
return (0);
}
goto no_mapping;
case 6: /* S-PCI-X slot */
if (pa->pa_intrpin == 1) {
*ihp = ICU_INT_XINT(2);
pci_conf_write(pc, tag, PCI_INTERRUPT_REG, *ihp);
return (0);
}
if (pa->pa_intrpin == 2) {
*ihp = ICU_INT_XINT(3);
pci_conf_write(pc, tag, PCI_INTERRUPT_REG, *ihp);
return (0);
}
goto no_mapping;
default:
no_mapping:
intr = pci_conf_read(pa->pa_pc, pa->pa_intrtag,
PCI_INTERRUPT_REG);
printf("iq80321_pci_intr_map: no mapping for %d/%d/%d (%d, %d, %d)\n",
pa->pa_bus, pa->pa_device, pa->pa_function, d, pa->pa_intrpin, intr);
return (1);
}
return (0);
}
const char *
iq80321_pci_intr_string(void *v, pci_intr_handle_t ih)
{
return (i80321_irqnames[ih]);
}
const struct evcnt *
iq80321_pci_intr_evcnt(void *v, pci_intr_handle_t ih)
{
/* XXX For now. */
return (NULL);
}
void *
iq80321_pci_intr_establish(void *v, pci_intr_handle_t ih, int ipl,
int (*func)(void *), void *arg, char *name)
{
return (i80321_intr_establish(ih, ipl, func, arg, name));
}
void
iq80321_pci_intr_disestablish(void *v, void *cookie)
{
i80321_intr_disestablish(cookie);
}
|
