1 /* $OpenBSD: asp.c,v 1.15 2018/05/14 13:54:39 kettenis Exp $ */
2
3 /*
4 * Copyright (c) 1998-2003 Michael Shalayeff
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26 * THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /*
30 * References:
31 *
32 * 1. Cobra/Coral I/O Subsystem External Reference Specification
33 * Hewlett-Packard
34 *
35 */
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/device.h>
40 #include <sys/reboot.h>
41
42 #include <machine/bus.h>
43 #include <machine/iomod.h>
44 #include <machine/autoconf.h>
45 #include <machine/cpufunc.h>
46
47 #include <hppa/dev/cpudevs.h>
48
49 #include <hppa/gsc/gscbusvar.h>
50
51 struct asp_hwr {
52 u_int8_t asp_reset;
53 u_int8_t asp_resv[31];
54 u_int8_t asp_version;
55 u_int8_t asp_resv1[15];
56 u_int8_t asp_scsidsync;
57 u_int8_t asp_resv2[15];
58 u_int8_t asp_error;
59 };
60
61 struct asp_trs {
62 struct gscbus_ic asp_ic;
63 u_int8_t asp_cled;
64 u_int8_t asp_resv[3];
65 struct {
66 u_int :20,
67 asp_spu : 3, /* SPU ID board jumper */
68 #define ASP_SPUCOBRA 0
69 #define ASP_SPUCORAL 1
70 #define ASP_SPUBUSH 2
71 #define ASP_SPUHARDBALL 3
72 #define ASP_SPUSCORPIO 4
73 #define ASP_SPUCORAL2 5
74 asp_sw : 1, /* front switch is normal */
75 asp_clk : 1, /* SCSI clock is doubled */
76 asp_lan : 2, /* LAN iface selector */
77 #define ASP_LANINVAL 0
78 #define ASP_LANAUI 1
79 #define ASP_LANTHIN 2
80 #define ASP_LANMISS 3
81 asp_lanf: 1, /* LAN AUI fuse is ok */
82 asp_spwr: 1, /* SCSI power ok */
83 asp_scsi: 3; /* SCSI ctrl ID */
84 } _asp_ios;
85 #define asp_spu _asp_ios.asp_spu
86 #define asp_sw _asp_ios.asp_sw
87 #define asp_clk _asp_ios.asp_clk
88 #define asp_lan _asp_ios.asp_lan
89 #define asp_lanf _asp_ios.asp_lanf
90 #define asp_spwr _asp_ios.asp_spwr
91 #define asp_scsi _asp_ios.asp_scsi
92 };
93
94 const struct asp_spus_tag {
95 char name[12];
96 int ledword;
97 } asp_spus[] = {
98 { "Cobra", 0 },
99 { "Coral", 0 },
100 { "Bushmaster", 0 },
101 { "Hardball", 1 },
102 { "Scorpio", 0 },
103 { "Coral II", 1 },
104 { "#6", 0 },
105 { "#7", 0 }
106 };
107
108 #define ASP_IOMASK 0xfe000000
109 /* ASP "Primary Controller" HPA */
110 #define ASP_CHPA 0xF0800000
111
112 int aspmatch(struct device *, void *, void *);
113 void aspattach(struct device *, struct device *, void *);
114
115 const struct cfattach asp_ca = {
116 sizeof(struct device), aspmatch, aspattach
117 };
118
119 struct cfdriver asp_cd = {
120 NULL, "asp", DV_DULL
121 };
122
123 int
aspmatch(parent,cfdata,aux)124 aspmatch(parent, cfdata, aux)
125 struct device *parent;
126 void *cfdata;
127 void *aux;
128 {
129 struct confargs *ca = aux;
130 /* struct cfdata *cf = cfdata; */
131
132 if (ca->ca_type.iodc_type != HPPA_TYPE_BHA ||
133 ca->ca_type.iodc_sv_model != HPPA_BHA_ASP)
134 return 0;
135
136 return 1;
137 }
138
139 void
aspattach(parent,self,aux)140 aspattach(parent, self, aux)
141 struct device *parent;
142 struct device *self;
143 void *aux;
144 {
145 struct confargs *ca = aux;
146 volatile struct asp_trs *trs;
147 volatile struct asp_hwr *hw;
148 struct gscbus_ic *ic;
149 struct gsc_attach_args ga;
150 bus_space_handle_t ioh;
151 int s;
152
153 if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh)) {
154 printf(": can't map IO space\n");
155 return;
156 }
157
158 hw = (struct asp_hwr *)ca->ca_hpa;
159 trs = (struct asp_trs *)ASP_CHPA;
160 ic = (struct gscbus_ic *)&trs->asp_ic;
161
162 #ifdef USELEDS
163 machine_ledaddr = &trs->asp_cled;
164 machine_ledword = asp_spus[trs->asp_spu].ledword;
165 #endif
166
167 /* reset ASP */
168 /* hw->asp_reset = 1; */
169 /* delay(400000); */
170
171 s = splhigh();
172 ic->imr = ~0;
173 (void)ic->irr;
174 ic->imr = 0;
175 splx(s);
176
177 printf (": %s rev %d, lan %d scsi %d\n",
178 asp_spus[trs->asp_spu].name, hw->asp_version,
179 trs->asp_lan, trs->asp_scsi);
180
181 ga.ga_ca = *ca; /* clone from us */
182 ga.ga_dp.dp_bc[0] = ga.ga_dp.dp_bc[1];
183 ga.ga_dp.dp_bc[1] = ga.ga_dp.dp_bc[2];
184 ga.ga_dp.dp_bc[2] = ga.ga_dp.dp_bc[3];
185 ga.ga_dp.dp_bc[3] = ga.ga_dp.dp_bc[4];
186 ga.ga_dp.dp_bc[4] = ga.ga_dp.dp_bc[5];
187 ga.ga_dp.dp_bc[5] = ga.ga_dp.dp_mod;
188 ga.ga_dp.dp_mod = 0;
189 ga.ga_hpamask = ASP_IOMASK;
190 ga.ga_name = "gsc";
191 ga.ga_parent = gsc_asp;
192 ga.ga_ic = ic;
193 config_found(self, &ga, gscprint);
194 }
195