1 /* $OpenBSD: dec_kn20aa.c,v 1.20 2014/05/08 20:46:49 miod Exp $ */
2 /* $NetBSD: dec_kn20aa.c,v 1.42 2000/05/22 20:13:32 thorpej Exp $ */
3
4 /*
5 * Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University.
6 * All rights reserved.
7 *
8 * Author: Chris G. Demetriou
9 *
10 * Permission to use, copy, modify and distribute this software and
11 * its documentation is hereby granted, provided that both the copyright
12 * notice and this permission notice appear in all copies of the
13 * software, derivative works or modified versions, and any portions
14 * thereof, and that both notices appear in supporting documentation.
15 *
16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19 *
20 * Carnegie Mellon requests users of this software to return to
21 *
22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
23 * School of Computer Science
24 * Carnegie Mellon University
25 * Pittsburgh PA 15213-3890
26 *
27 * any improvements or extensions that they make and grant Carnegie the
28 * rights to redistribute these changes.
29 */
30 /*
31 * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
32 */
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/device.h>
37 #include <sys/termios.h>
38 #include <dev/cons.h>
39 #include <sys/conf.h>
40
41 #include <machine/rpb.h>
42 #include <machine/autoconf.h>
43 #include <machine/cpuconf.h>
44 #include <machine/bus.h>
45
46 #include <dev/ic/comreg.h>
47 #include <dev/ic/comvar.h>
48
49 #include <dev/isa/isareg.h>
50 #include <dev/isa/isavar.h>
51 #include <dev/ic/i8042reg.h>
52 #include <dev/ic/pckbcvar.h>
53 #include <dev/pci/pcireg.h>
54 #include <dev/pci/pcivar.h>
55
56 #include <alpha/pci/ciareg.h>
57 #include <alpha/pci/ciavar.h>
58
59 #include <scsi/scsi_all.h>
60 #include <scsi/scsiconf.h>
61
62 #include "pckbd.h"
63
64 #ifndef CONSPEED
65 #define CONSPEED TTYDEF_SPEED
66 #endif
67 static int comcnrate = CONSPEED;
68
69 void dec_kn20aa_init(void);
70 static void dec_kn20aa_cons_init(void);
71 static void dec_kn20aa_device_register(struct device *, void *);
72
73 const struct alpha_variation_table dec_kn20aa_variations[] = {
74 { 0, "AlphaStation 500 or 600 (KN20AA)" },
75 { 0, NULL },
76 };
77
78 void
dec_kn20aa_init()79 dec_kn20aa_init()
80 {
81 u_int64_t variation;
82
83 platform.family = "AlphaStation 500 or 600 (KN20AA)";
84
85 if ((platform.model = alpha_dsr_sysname()) == NULL) {
86 variation = hwrpb->rpb_variation & SV_ST_MASK;
87 if ((platform.model = alpha_variation_name(variation,
88 dec_kn20aa_variations)) == NULL)
89 platform.model = alpha_unknown_sysname();
90 }
91
92 platform.iobus = "cia";
93 platform.cons_init = dec_kn20aa_cons_init;
94 platform.device_register = dec_kn20aa_device_register;
95 }
96
97 static void
dec_kn20aa_cons_init()98 dec_kn20aa_cons_init()
99 {
100 struct ctb *ctb;
101 struct cia_config *ccp;
102 extern struct cia_config cia_configuration;
103
104 ccp = &cia_configuration;
105 cia_init(ccp, 0);
106
107 ctb = (struct ctb *)(((caddr_t)hwrpb) + hwrpb->rpb_ctb_off);
108
109 switch (ctb->ctb_term_type) {
110 case CTB_PRINTERPORT:
111 /* serial console ... */
112 /* XXX */
113 {
114 /*
115 * Delay to allow PROM putchars to complete.
116 * FIFO depth * character time,
117 * character time = (1000000 / (defaultrate / 10))
118 */
119 DELAY(160000000 / comcnrate);
120
121 if(comcnattach(&ccp->cc_iot, 0x3f8, comcnrate,
122 COM_FREQ,
123 (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8))
124 panic("can't init serial console");
125
126 break;
127 }
128
129 case CTB_GRAPHICS:
130 #if NPCKBD > 0
131 /* display console ... */
132 /* XXX */
133 (void) pckbc_cnattach(&ccp->cc_iot, IO_KBD, KBCMDP, 0);
134
135 if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) ==
136 CTB_TURBOSLOT_TYPE_ISA)
137 isa_display_console(&ccp->cc_iot, &ccp->cc_memt);
138 else
139 pci_display_console(&ccp->cc_iot, &ccp->cc_memt,
140 &ccp->cc_pc, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot),
141 CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0);
142 #else
143 panic("not configured to use display && keyboard console");
144 #endif
145 break;
146
147 default:
148 printf("ctb->ctb_term_type = 0x%lx\n",
149 (unsigned long)ctb->ctb_term_type);
150 printf("ctb->ctb_turboslot = 0x%lx\n",
151 (unsigned long)ctb->ctb_turboslot);
152
153 panic("consinit: unknown console type %lu",
154 (unsigned long)ctb->ctb_term_type);
155 }
156 }
157
158 static void
dec_kn20aa_device_register(dev,aux)159 dec_kn20aa_device_register(dev, aux)
160 struct device *dev;
161 void *aux;
162 {
163 static int found, initted, diskboot, netboot;
164 static struct device *pcidev, *ctrlrdev;
165 struct bootdev_data *b = bootdev_data;
166 struct device *parent = dev->dv_parent;
167 struct cfdata *cf = dev->dv_cfdata;
168 struct cfdriver *cd = cf->cf_driver;
169
170 if (found)
171 return;
172
173 if (!initted) {
174 diskboot = (strncasecmp(b->protocol, "SCSI", 4) == 0);
175 netboot = (strncasecmp(b->protocol, "BOOTP", 5) == 0) ||
176 (strncasecmp(b->protocol, "MOP", 3) == 0);
177 #if 0
178 printf("diskboot = %d, netboot = %d\n", diskboot, netboot);
179 #endif
180 initted =1;
181 }
182
183 if (pcidev == NULL) {
184 if (strcmp(cd->cd_name, "pci"))
185 return;
186 else {
187 struct pcibus_attach_args *pba = aux;
188
189 if ((b->slot / 1000) != pba->pba_bus)
190 return;
191
192 pcidev = dev;
193 #if 0
194 printf("\npcidev = %s\n", dev->dv_xname);
195 #endif
196 return;
197 }
198 }
199
200 if (ctrlrdev == NULL) {
201 if (parent != pcidev)
202 return;
203 else {
204 struct pci_attach_args *pa = aux;
205 int slot;
206
207 slot = pa->pa_bus * 1000 + pa->pa_function * 100 +
208 pa->pa_device;
209 if (b->slot != slot)
210 return;
211
212 if (netboot) {
213 booted_device = dev;
214 #if 0
215 printf("\nbooted_device = %s\n", dev->dv_xname);
216 #endif
217 found = 1;
218 } else {
219 ctrlrdev = dev;
220 #if 0
221 printf("\nctrlrdev = %s\n", dev->dv_xname);
222 #endif
223 }
224 return;
225 }
226 }
227
228 if (!diskboot)
229 return;
230
231 if (!strcmp(cd->cd_name, "sd") || !strcmp(cd->cd_name, "st") ||
232 !strcmp(cd->cd_name, "cd")) {
233 struct scsi_attach_args *sa = aux;
234 struct scsi_link *periph = sa->sa_sc_link;
235 int unit;
236
237 if (parent->dv_parent != ctrlrdev)
238 return;
239
240 unit = periph->target * 100 + periph->lun;
241 if (b->unit != unit)
242 return;
243
244 /* we've found it! */
245 booted_device = dev;
246 #if 0
247 printf("\nbooted_device = %s\n", dev->dv_xname);
248 #endif
249 found = 1;
250 }
251 }
252