xref: /openbsd/sys/arch/alpha/alpha/dec_2100_a50.c (revision be10522b)
1 /* $OpenBSD: dec_2100_a50.c,v 1.16 2002/06/25 21:33:19 miod Exp $ */
2 /* $NetBSD: dec_2100_a50.c,v 1.43 2000/05/22 20:13:31 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/bus.h>
44 #include <machine/cpuconf.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/apecsreg.h>
57 #include <alpha/pci/apecsvar.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_2100_a50_init(void);
70 static void dec_2100_a50_cons_init(void);
71 static void dec_2100_a50_device_register(struct device *, void *);
72 
73 const struct alpha_variation_table dec_2100_a50_variations[] = {
74 	{ SV_ST_AVANTI,	"AlphaStation 400 4/233 (\"Avanti\")" },
75 	{ SV_ST_MUSTANG2_4_166, "AlphaStation 200 4/166 (\"Mustang II\")" },
76 	{ SV_ST_MUSTANG2_4_233, "AlphaStation 200 4/233 (\"Mustang II\")" },
77 	{ SV_ST_AVANTI_4_266, "AlphaStation 250 4/266" },
78 	{ SV_ST_MUSTANG2_4_100, "AlphaStation 200 4/100 (\"Mustang II\")" },
79 	{ SV_ST_AVANTI_4_233, "AlphaStation 255/233" },
80 	{ 0, NULL },
81 };
82 
83 void
84 dec_2100_a50_init()
85 {
86 	u_int64_t variation;
87 
88 	platform.family = "AlphaStation 200/400 (\"Avanti\")";
89 
90 	if ((platform.model = alpha_dsr_sysname()) == NULL) {
91 		variation = hwrpb->rpb_variation & SV_ST_MASK;
92 		if (variation == SV_ST_AVANTI_XXX) {
93 			/* XXX apparently the same? */
94 			variation = SV_ST_AVANTI;
95 		}
96 		if ((platform.model = alpha_variation_name(variation,
97 		    dec_2100_a50_variations)) == NULL)
98 			platform.model = alpha_unknown_sysname();
99 	}
100 
101 	platform.iobus = "apecs";
102 	platform.cons_init = dec_2100_a50_cons_init;
103 	platform.device_register = dec_2100_a50_device_register;
104 }
105 
106 static void
107 dec_2100_a50_cons_init()
108 {
109 	struct ctb *ctb;
110 	struct apecs_config *acp;
111 	extern struct apecs_config apecs_configuration;
112 
113 	acp = &apecs_configuration;
114 	apecs_init(acp, 0);
115 
116 	ctb = (struct ctb *)(((caddr_t)hwrpb) + hwrpb->rpb_ctb_off);
117 
118 	switch (ctb->ctb_term_type) {
119 	case CTB_PRINTERPORT:
120 		/* serial console ... */
121 		/* XXX */
122 		{
123 			/*
124 			 * Delay to allow PROM putchars to complete.
125 			 * FIFO depth * character time,
126 			 * character time = (1000000 / (defaultrate / 10))
127 			 */
128 			DELAY(160000000 / comcnrate);
129 
130 			if(comcnattach(&acp->ac_iot, 0x3f8, comcnrate,
131 			    COM_FREQ,
132 			    (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8))
133 				panic("can't init serial console");
134 
135 			break;
136 		}
137 
138 	case CTB_GRAPHICS:
139 #if NPCKBD > 0
140 		/* display console ... */
141 		/* XXX */
142 		(void) pckbc_cnattach(&acp->ac_iot, IO_KBD, KBCMDP,
143 		    PCKBC_KBD_SLOT);
144 
145 		if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) ==
146 		    CTB_TURBOSLOT_TYPE_ISA)
147 			isa_display_console(&acp->ac_iot, &acp->ac_memt);
148 		else
149 			pci_display_console(&acp->ac_iot, &acp->ac_memt,
150 			    &acp->ac_pc, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot),
151 			    CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0);
152 #else
153 		panic("not configured to use display && keyboard console");
154 #endif
155 		break;
156 
157 	default:
158 		printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
159 		printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
160 
161 		panic("consinit: unknown console type %ld",
162 		    ctb->ctb_term_type);
163 	}
164 }
165 
166 static void
167 dec_2100_a50_device_register(dev, aux)
168 	struct device *dev;
169 	void *aux;
170 {
171 	static int found, initted, scsiboot, netboot;
172 	static struct device *pcidev, *scsidev;
173 	struct bootdev_data *b = bootdev_data;
174 	struct device *parent = dev->dv_parent;
175 	struct cfdata *cf = dev->dv_cfdata;
176 	struct cfdriver *cd = cf->cf_driver;
177 
178 	if (found)
179 		return;
180 
181 	if (!initted) {
182 		scsiboot = (strcmp(b->protocol, "SCSI") == 0);
183 		netboot = (strcmp(b->protocol, "BOOTP") == 0) ||
184 		    (strcmp(b->protocol, "MOP") == 0);
185 #if 0
186 		printf("scsiboot = %d, netboot = %d\n", scsiboot, netboot);
187 #endif
188 		initted =1;
189 	}
190 
191 	if (pcidev == NULL) {
192 		if (strcmp(cd->cd_name, "pci"))
193 			return;
194 		else {
195 			struct pcibus_attach_args *pba = aux;
196 
197 			if ((b->slot / 1000) != pba->pba_bus)
198 				return;
199 
200 			pcidev = dev;
201 #if 0
202 			printf("\npcidev = %s\n", pcidev->dv_xname);
203 #endif
204 			return;
205 		}
206 	}
207 
208 	if (scsiboot && (scsidev == NULL)) {
209 		if (parent != pcidev)
210 			return;
211 		else {
212 			struct pci_attach_args *pa = aux;
213 
214 			if ((b->slot % 1000) != pa->pa_device)
215 				return;
216 
217 			/* XXX function? */
218 
219 			scsidev = dev;
220 #if 0
221 			printf("\nscsidev = %s\n", scsidev->dv_xname);
222 #endif
223 			return;
224 		}
225 	}
226 
227 	if (scsiboot &&
228 	    (!strcmp(cd->cd_name, "sd") ||
229 	     !strcmp(cd->cd_name, "st") ||
230 	     !strcmp(cd->cd_name, "cd"))) {
231 		struct scsibus_attach_args *sa = aux;
232 
233 		if (parent->dv_parent != scsidev)
234 			return;
235 
236 		if (b->unit / 100 != sa->sa_sc_link->target)
237 			return;
238 
239 		/* XXX LUN! */
240 
241 		switch (b->boot_dev_type) {
242 		case 0:
243 			if (strcmp(cd->cd_name, "sd") &&
244 			    strcmp(cd->cd_name, "cd"))
245 				return;
246 			break;
247 		case 1:
248 			if (strcmp(cd->cd_name, "st"))
249 				return;
250 			break;
251 		default:
252 			return;
253 		}
254 
255 		/* we've found it! */
256 		booted_device = dev;
257 #if 0
258 		printf("\nbooted_device = %s\n", booted_device->dv_xname);
259 #endif
260 		found = 1;
261 	}
262 
263 	if (netboot) {
264 		if (parent != pcidev)
265 			return;
266 		else {
267 			struct pci_attach_args *pa = aux;
268 
269 			if ((b->slot % 1000) != pa->pa_device)
270 				return;
271 
272 			/* XXX function? */
273 
274 			booted_device = dev;
275 #if 0
276 			printf("\nbooted_device = %s\n", booted_device->dv_xname);
277 #endif
278 			found = 1;
279 			return;
280 		}
281 	}
282 }
283