1 /* $NetBSD: dec_1000a.c,v 1.35 2024/03/31 19:06:30 thorpej Exp $ */
2
3 /*
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is based on dec_kn20aa.c, written by Chris G. Demetriou at
8 * Carnegie-Mellon University. Platform support for Noritake, Pintake, and
9 * Corelle by Ross Harvey with copyright assignment by permission of Avalon
10 * Computer Systems, Inc.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 /*
35 * Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University.
36 * All rights reserved.
37 *
38 * Author: Chris G. Demetriou
39 *
40 * Permission to use, copy, modify and distribute this software and
41 * its documentation is hereby granted, provided that both the copyright
42 * notice and this permission notice appear in all copies of the
43 * software, derivative works or modified versions, and any portions
44 * thereof, and that both notices appear in supporting documentation.
45 *
46 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
47 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
48 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
49 *
50 * Carnegie Mellon requests users of this software to return to
51 *
52 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
53 * School of Computer Science
54 * Carnegie Mellon University
55 * Pittsburgh PA 15213-3890
56 *
57 * any improvements or extensions that they make and grant Carnegie the
58 * rights to redistribute these changes.
59 */
60 /*
61 * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
62 */
63
64 #include "opt_kgdb.h"
65
66 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
67
68 __KERNEL_RCSID(0, "$NetBSD: dec_1000a.c,v 1.35 2024/03/31 19:06:30 thorpej Exp $");
69
70 #include <sys/param.h>
71 #include <sys/systm.h>
72 #include <sys/device.h>
73 #include <sys/termios.h>
74 #include <sys/conf.h>
75 #include <dev/cons.h>
76
77 #include <machine/rpb.h>
78 #include <machine/autoconf.h>
79 #include <machine/cpuconf.h>
80 #include <sys/bus.h>
81
82 #include <dev/ic/comreg.h>
83 #include <dev/ic/comvar.h>
84
85 #include <dev/isa/isareg.h>
86 #include <dev/isa/isavar.h>
87 #include <dev/ic/i8042reg.h>
88 #include <dev/ic/pckbcvar.h>
89 #include <dev/pci/pcireg.h>
90 #include <dev/pci/pcivar.h>
91
92 #include <alpha/pci/apecsreg.h>
93 #include <alpha/pci/apecsvar.h>
94 #include <alpha/pci/ciareg.h>
95 #include <alpha/pci/ciavar.h>
96
97 #include <dev/scsipi/scsi_all.h>
98 #include <dev/scsipi/scsipi_all.h>
99 #include <dev/scsipi/scsiconf.h>
100
101 #include <dev/ic/mlxio.h>
102 #include <dev/ic/mlxvar.h>
103
104 #include "pckbd.h"
105
106 #ifndef CONSPEED
107 #define CONSPEED TTYDEF_SPEED
108 #endif
109 static int comcnrate = CONSPEED;
110
111 void _dec_1000a_init(void);
112 static void dec_1000a_cons_init(void);
113 static void dec_1000a_device_register(device_t, void *);
114
115 #ifdef KGDB
116 #include <machine/db_machdep.h>
117
118 static const char *kgdb_devlist[] = {
119 "com",
120 NULL,
121 };
122 #endif /* KGDB */
123
124 static const struct alpha_variation_table dec_1000_variations[] = {
125 { 0, "AlphaServer 1000" },
126 { 0, NULL },
127 };
128
129 static const struct alpha_variation_table dec_1000a_variations[] = {
130 { 0, "AlphaServer 1000A" },
131 { 0, NULL },
132 };
133
134 void
_dec_1000a_init(void)135 _dec_1000a_init(void)
136 {
137 uint64_t variation;
138
139 platform.family = "AlphaServer 1000/1000A";
140
141 if ((platform.model = alpha_dsr_sysname()) == NULL) {
142 variation = hwrpb->rpb_variation & SV_ST_MASK;
143 if ((platform.model = alpha_variation_name(variation,
144 cputype == ST_DEC_1000 ? dec_1000_variations
145 : dec_1000a_variations)) == NULL)
146 platform.model = alpha_unknown_sysname();
147 }
148
149 switch(PCS_CPU_MAJORTYPE(LOCATE_PCS(hwrpb, 0))) {
150 case PCS_PROC_EV4:
151 case PCS_PROC_EV45:
152 platform.iobus = "apecs";
153 break;
154 default:
155 platform.iobus = "cia";
156 break;
157 }
158 platform.cons_init = dec_1000a_cons_init;
159 platform.device_register = dec_1000a_device_register;
160 }
161
162 static void
dec_1000a_cons_init(void)163 dec_1000a_cons_init(void)
164 {
165 struct ctb *ctb;
166 struct cia_config *ccp;
167 struct apecs_config *acp;
168 extern struct cia_config cia_configuration;
169 extern struct apecs_config apecs_configuration;
170 bus_space_tag_t iot, memt;
171 struct alpha_pci_chipset *pcichipset;
172
173 if(strcmp(platform.iobus, "cia") == 0) {
174 ccp = &cia_configuration;
175 cia_init(ccp);
176 iot = &ccp->cc_iot;
177 memt = &ccp->cc_memt;
178 pcichipset = &ccp->cc_pc;
179 } else {
180 acp = &apecs_configuration;
181 apecs_init(acp);
182 iot = &acp->ac_iot;
183 memt = &acp->ac_memt;
184 pcichipset = &acp->ac_pc;
185 }
186
187 ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off);
188
189 switch (ctb->ctb_term_type) {
190 case CTB_PRINTERPORT:
191 /* serial console ... */
192 /* XXX */
193 {
194 /*
195 * Delay to allow PROM putchars to complete.
196 * FIFO depth * character time,
197 * character time = (1000000 / (defaultrate / 10))
198 */
199 DELAY(160000000 / comcnrate);
200
201 if(comcnattach(iot, 0x3f8, comcnrate,
202 COM_FREQ, COM_TYPE_NORMAL,
203 (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8))
204 panic("can't init serial console");
205
206 break;
207 }
208
209 case CTB_GRAPHICS:
210 #if NPCKBD > 0
211 /* display console ... */
212 /* XXX */
213 (void) pckbc_cnattach(iot, IO_KBD, KBCMDP, PCKBC_KBD_SLOT, 0);
214
215 /*
216 * AlphaServer 1000s have a firmware bug whereby the
217 * built-in ISA VGA is reported incorrectly -- ctb_turboslot
218 * is mostly 0.
219 */
220 switch (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot)) {
221 case CTB_TURBOSLOT_TYPE_PCI:
222 pci_display_console(iot, memt, pcichipset,
223 CTB_TURBOSLOT_BUS(ctb->ctb_turboslot),
224 CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0);
225 break;
226
227 default:
228 isa_display_console(iot, memt);
229 break;
230 }
231 #else
232 panic("not configured to use display && keyboard console");
233 #endif
234 break;
235
236 default:
237 printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
238 printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
239
240 panic("consinit: unknown console type %ld",
241 ctb->ctb_term_type);
242 }
243 #ifdef KGDB
244 /* Attach the KGDB device. */
245 alpha_kgdb_init(kgdb_devlist, iot);
246 #endif /* KGDB */
247 }
248
249 static void
dec_1000a_device_register(device_t dev,void * aux)250 dec_1000a_device_register(device_t dev, void *aux)
251 {
252 static int found, initted, diskboot, netboot;
253 static device_t pcidev, ctrlrdev;
254 struct bootdev_data *b = bootdev_data;
255 device_t parent = device_parent(dev);
256
257 if (b == NULL || found)
258 return;
259
260 if (!initted) {
261 diskboot = (strcasecmp(b->protocol, "SCSI") == 0) ||
262 (strcasecmp(b->protocol, "RAID") == 0);
263 netboot = (strcasecmp(b->protocol, "BOOTP") == 0) ||
264 (strcasecmp(b->protocol, "MOP") == 0);
265 #if 0
266 printf("diskboot = %d, netboot = %d\n", diskboot, netboot);
267 #endif
268 initted =1;
269 }
270
271 if (pcidev == NULL) {
272 if (!device_is_a(dev, "pci"))
273 return;
274 else {
275 struct pcibus_attach_args *pba = aux;
276
277 if ((b->slot / 1000) != pba->pba_bus)
278 return;
279
280 pcidev = dev;
281 #if 0
282 printf("\npcidev = %s\n", device_xname(dev));
283 #endif
284 return;
285 }
286 }
287
288 if (ctrlrdev == NULL) {
289 if (parent != pcidev)
290 return;
291 else {
292 struct pci_attach_args *pa = aux;
293 int slot;
294
295 slot = pa->pa_bus * 1000 + pa->pa_function * 100 +
296 pa->pa_device;
297 if (b->slot != slot)
298 return;
299
300 if (netboot) {
301 booted_device = dev;
302 #if 0
303 printf("\nbooted_device = %s\n", device_xname(dev));
304 #endif
305 found = 1;
306 } else {
307 ctrlrdev = dev;
308 #if 0
309 printf("\nctrlrdev = %s\n", device_xname(dev));
310 #endif
311 }
312 return;
313 }
314 }
315
316 if (!diskboot)
317 return;
318
319 if (device_is_a(dev, "sd") ||
320 device_is_a(dev, "st") ||
321 device_is_a(dev, "cd")) {
322 struct scsipibus_attach_args *sa = aux;
323 struct scsipi_periph *periph = sa->sa_periph;
324 int unit;
325
326 if (device_parent(parent) != ctrlrdev)
327 return;
328
329 unit = periph->periph_target * 100 + periph->periph_lun;
330 if (b->unit != unit)
331 return;
332 if (b->channel != periph->periph_channel->chan_channel)
333 return;
334
335 /* we've found it! */
336 booted_device = dev;
337 #if 0
338 printf("\nbooted_device = %s\n", device_xname(dev));
339 #endif
340 found = 1;
341 }
342
343 if (device_is_a(dev, "ld") && device_is_a(parent, "mlx")) {
344 /*
345 * Argh! The attach arguments for ld devices is not
346 * consistent, so each supported raid controller requires
347 * different checks.
348 */
349 struct mlx_attach_args *mlxa = aux;
350
351 if (parent != ctrlrdev)
352 return;
353
354 if (b->unit != mlxa->mlxa_unit)
355 return;
356 /* we've found it! */
357 booted_device = dev;
358 #if 0
359 printf("\nbooted_device = %s\n", device_xname(dev));
360 #endif
361 found = 1;
362 }
363 }
364