xref: /netbsd/sys/arch/alpha/alpha/dec_3000_300.c (revision c4a72b64)
1 /* $NetBSD: dec_3000_300.c,v 1.39 2002/09/27 15:35:34 provos Exp $ */
2 
3 /*
4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
5  * All rights reserved.
6  *
7  * Author: Chris G. Demetriou
8  *
9  * Permission to use, copy, modify and distribute this software and
10  * its documentation is hereby granted, provided that both the copyright
11  * notice and this permission notice appear in all copies of the
12  * software, derivative works or modified versions, and any portions
13  * thereof, and that both notices appear in supporting documentation.
14  *
15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18  *
19  * Carnegie Mellon requests users of this software to return to
20  *
21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22  *  School of Computer Science
23  *  Carnegie Mellon University
24  *  Pittsburgh PA 15213-3890
25  *
26  * any improvements or extensions that they make and grant Carnegie the
27  * rights to redistribute these changes.
28  */
29 
30 /*
31  * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
32  */
33 
34 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
35 
36 __KERNEL_RCSID(0, "$NetBSD: dec_3000_300.c,v 1.39 2002/09/27 15:35:34 provos Exp $");
37 
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/device.h>
41 #include <sys/termios.h>
42 #include <sys/conf.h>
43 
44 #include <machine/rpb.h>
45 #include <machine/autoconf.h>
46 #include <machine/cpuconf.h>
47 
48 #include <dev/tc/tcvar.h>
49 #include <dev/tc/tcdsvar.h>
50 #include <alpha/tc/tc_3000_300.h>
51 
52 #include <machine/z8530var.h>
53 #include <dev/tc/zs_ioasicvar.h>
54 
55 #include <dev/scsipi/scsi_all.h>
56 #include <dev/scsipi/scsipi_all.h>
57 #include <dev/scsipi/scsiconf.h>
58 
59 #include "wsdisplay.h"
60 
61 void dec_3000_300_init __P((void));
62 static void dec_3000_300_cons_init __P((void));
63 static void dec_3000_300_device_register __P((struct device *, void *));
64 
65 const struct alpha_variation_table dec_3000_300_variations[] = {
66 	{ SV_ST_PELICAN, "DEC 3000/300 (\"Pelican\")" },
67 	{ SV_ST_PELICA, "DEC 3000/300L (\"Pelica\")" },
68 	{ SV_ST_PELICANPLUS, "DEC 3000/300X (\"Pelican+\")" },
69 	{ SV_ST_PELICAPLUS, "DEC 3000/300LX (\"Pelica+\")" },
70 	{ 0, NULL },
71 };
72 
73 void
74 dec_3000_300_init()
75 {
76 	u_int64_t variation;
77 
78 	platform.family = "DEC 3000/300 (\"Pelican\")";
79 
80 	if ((platform.model = alpha_dsr_sysname()) == NULL) {
81 		variation = hwrpb->rpb_variation & SV_ST_MASK;
82 		if ((platform.model = alpha_variation_name(variation,
83 		    dec_3000_300_variations)) == NULL)
84 			platform.model = alpha_unknown_sysname();
85 	}
86 
87 	platform.iobus = "tcasic";
88 	platform.cons_init = dec_3000_300_cons_init;
89 	platform.device_register = dec_3000_300_device_register;
90 }
91 
92 static void
93 dec_3000_300_cons_init()
94 {
95 	struct ctb *ctb;
96 
97 	ctb = (struct ctb *)(((caddr_t)hwrpb) + hwrpb->rpb_ctb_off);
98 
99 	switch (ctb->ctb_term_type) {
100 	case CTB_GRAPHICS:
101 #if NWSDISPLAY > 0
102 		/* display console ... */
103 		if (zs_ioasic_lk201_cnattach(0x1a0000000, 0x00180000, 0) == 0 &&
104 		    tc_3000_300_fb_cnattach(
105 		     CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot)) == 0) {
106 			break;
107 		}
108 #endif
109 		printf("consinit: Unable to init console on keyboard and ");
110 		printf("TURBOchannel slot 0x%lx.\n", ctb->ctb_turboslot);
111 		printf("Using serial console.\n");
112 		/* FALLTHROUGH */
113 
114 	case CTB_PRINTERPORT:
115 		/* serial console ... */
116 		/*
117 		 * XXX This could stand some cleanup...
118 		 */
119 		{
120 			/*
121 			 * Delay to allow PROM putchars to complete.
122 			 * FIFO depth * character time.
123 			 * character time = (1000000 / (defaultrate / 10))
124 			 */
125 			DELAY(160000000 / 9600);	/* XXX */
126 
127 			/*
128 			 * Console is channel B of the first SCC.
129 			 * XXX Should use ctb_line_off to get the
130 			 * XXX line parameters.
131 			 */
132 			zs_ioasic_cnattach(0x1a0000000, 0x00100000, 1);
133 			break;
134 		}
135 
136 	default:
137 		printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
138 		printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
139 		panic("consinit: unknown console type %lu",
140 		    ctb->ctb_term_type);
141 		/* NOTREACHED */
142 	}
143 }
144 
145 static void
146 dec_3000_300_device_register(dev, aux)
147 	struct device *dev;
148 	void *aux;
149 {
150 	static int found, initted, scsiboot, netboot;
151 	static struct device *scsidev;
152 	static struct device *tcdsdev;
153 	struct bootdev_data *b = bootdev_data;
154 	struct device *parent = dev->dv_parent;
155 	struct cfdata *cf = dev->dv_cfdata;
156 	const char *name = cf->cf_name;
157 
158 	if (found)
159 		return;
160 
161 	if (!initted) {
162 		scsiboot = (strcmp(b->protocol, "SCSI") == 0);
163 		netboot = (strcmp(b->protocol, "BOOTP") == 0) ||
164 		    (strcmp(b->protocol, "MOP") == 0);
165 #if 0
166 		printf("scsiboot = %d, netboot = %d\n", scsiboot, netboot);
167 #endif
168 		initted = 1;
169 	}
170 
171 	/*
172 	 * for scsi boot, we look for "tcds", make sure it has the
173 	 * right slot number, then find the "asc" on this tcds that
174 	 * as the right channel.  then we find the actual scsi
175 	 * device we came from.  note: no SCSI LUN support (yet).
176 	 */
177 	if (scsiboot && (strcmp(name, "tcds") == 0)) {
178 		struct tc_attach_args *tcargs = aux;
179 
180 		if (b->slot != tcargs->ta_slot)
181 			return;
182 
183 		tcdsdev = dev;
184 #if 0
185 		printf("\ntcdsdev = %s\n", dev->dv_xname);
186 #endif
187 	}
188 	if (scsiboot && tcdsdev &&
189 	    (strcmp(name, "asc") == 0)) {
190 		struct tcdsdev_attach_args *ta = aux;
191 
192 		if (parent != (struct device *)tcdsdev)
193 			return;
194 
195 		if (ta->tcdsda_chip != b->channel)
196 			return;
197 
198 		scsidev = dev;
199 #if 0
200 		printf("\nscsidev = %s\n", dev->dv_xname);
201 #endif
202 	}
203 
204 	if (scsiboot && scsidev &&
205 	    (strcmp(name, "sd") == 0 ||
206 	     strcmp(name, "st") == 0 ||
207 	     strcmp(name, "cd") == 0)) {
208 		struct scsipibus_attach_args *sa = aux;
209 
210 		if (parent->dv_parent != scsidev)
211 			return;
212 
213 		if (b->unit / 100 != sa->sa_periph->periph_target)
214 			return;
215 
216 		/* XXX LUN! */
217 
218 		switch (b->boot_dev_type) {
219 		case 0:
220 			if (strcmp(name, "sd") &&
221 			    strcmp(name, "cd"))
222 				return;
223 			break;
224 		case 1:
225 			if (strcmp(name, "st"))
226 				return;
227 			break;
228 		default:
229 			return;
230 		}
231 
232 		/* we've found it! */
233 		booted_device = dev;
234 #if 0
235 		printf("\nbooted_device = %s\n", booted_device->dv_xname);
236 #endif
237 		found = 1;
238 	}
239 
240 	if (netboot) {
241                 if (b->slot == 5 && strcmp(name, "le") == 0 &&
242 		    strcmp(parent->dv_cfdata->cf_name, "ioasic")
243 		     == 0) {
244 			/*
245 			 * no need to check ioasic_attach_args, since only
246 			 * one le on ioasic.
247 			 */
248 
249 			booted_device = dev;
250 #if 0
251 			printf("\nbooted_device = %s\n", booted_device->dv_xname);
252 #endif
253 			found = 1;
254 			return;
255 		}
256 
257 		/*
258 		 * XXX GENERIC SUPPORT FOR TC NETWORK BOARDS
259 		 */
260         }
261 }
262