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
|
/* $OpenBSD: uturn.c,v 1.6 2007/12/29 01:26:14 kettenis Exp $ */
/*
* Copyright (c) 2004 Michael Shalayeff
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR OR HIS RELATIVES 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 MIND, 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.
*/
/* TODO IOA programming */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <machine/iomod.h>
#include <machine/autoconf.h>
#include <hppa/dev/cpudevs.h>
struct uturn_regs {
u_int64_t resv0[2];
u_int64_t status; /* 0x10: */
u_int64_t resv1[5];
u_int64_t debug; /* 0x40: */
};
struct uturn_softc {
struct device sc_dv;
struct uturn_regs volatile *sc_regs;
};
int uturnmatch(struct device *, void *, void *);
void uturnattach(struct device *, struct device *, void *);
struct cfattach uturn_ca = {
sizeof(struct uturn_softc), uturnmatch, uturnattach
};
struct cfdriver uturn_cd = {
NULL, "uturn", DV_DULL
};
int
uturnmatch(parent, cfdata, aux)
struct device *parent;
void *cfdata;
void *aux;
{
struct confargs *ca = aux;
/* struct cfdata *cf = cfdata; */
/* there will be only one */
if (ca->ca_type.iodc_type != HPPA_TYPE_IOA ||
ca->ca_type.iodc_sv_model != HPPA_IOA_UTURN)
return 0;
if (ca->ca_type.iodc_model == 0x58 &&
ca->ca_type.iodc_revision >= 0x20)
return 0;
return 1;
}
void
uturnattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct confargs *ca = aux, nca;
struct uturn_softc *sc = (struct uturn_softc *)self;
bus_space_handle_t ioh;
hppa_hpa_t hpa;
if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh)) {
printf(": can't map IO space\n");
return;
}
sc->sc_regs = (struct uturn_regs *)ca->ca_hpa;
printf(": %s rev %d\n",
ca->ca_type.iodc_revision < 0x10? "U2" : "UTurn",
ca->ca_type.iodc_revision & 0xf);
/* keep it real */
((struct iomod *)ioh)->io_control = 0x80;
/*
* U2/UTurn is actually a combination of an Upper Bus
* Converter (UBC) and a Lower Bus Converter (LBC). This
* driver attaches to the UBC; the LBC isn't very interesting,
* so we skip it. This is easy, since it always is module 63,
* hence the MAXMODBUS - 1 below.
*/
nca = *ca;
nca.ca_hpamask = HPPA_IOBEGIN;
pdc_scanbus(self, &nca, MAXMODBUS - 1, 0);
/* XXX On some machines, PDC doesn't tell us about all devices. */
switch (cpu_hvers) {
case HPPA_BOARD_HP809:
case HPPA_BOARD_HP819:
case HPPA_BOARD_HP829:
case HPPA_BOARD_HP839:
case HPPA_BOARD_HP849:
case HPPA_BOARD_HP859:
case HPPA_BOARD_HP869:
hpa = ((struct iomod *)ioh)->io_io_low << 16;
pdc_scanbus(self, &nca, MAXMODBUS - 1, hpa);
break;
default:
break;
}
}
|
