xref: /netbsd/sys/arch/alpha/alpha/dec_alphabook1.c (revision 6550d01e)
1 /* $NetBSD: dec_alphabook1.c,v 1.23 2009/03/14 15:35:59 dsl Exp $ */
2 
3 /*
4  * Copyright (c) 1995, 1996, 1997 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  * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
31  */
32 
33 #include "opt_kgdb.h"
34 
35 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
36 
37 __KERNEL_RCSID(0, "$NetBSD: dec_alphabook1.c,v 1.23 2009/03/14 15:35:59 dsl Exp $");
38 
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/device.h>
42 #include <sys/termios.h>
43 #include <sys/conf.h>
44 #include <dev/cons.h>
45 
46 #include <machine/rpb.h>
47 #include <machine/autoconf.h>
48 #include <machine/cpuconf.h>
49 #include <machine/bus.h>
50 
51 #include <dev/ic/comreg.h>
52 #include <dev/ic/comvar.h>
53 
54 #include <dev/isa/isareg.h>
55 #include <dev/isa/isavar.h>
56 #include <dev/ic/i8042reg.h>
57 #include <dev/ic/pckbcvar.h>
58 #include <dev/pci/pcireg.h>
59 #include <dev/pci/pcivar.h>
60 
61 #include <alpha/pci/lcareg.h>
62 #include <alpha/pci/lcavar.h>
63 
64 #include <dev/scsipi/scsi_all.h>
65 #include <dev/scsipi/scsipi_all.h>
66 #include <dev/scsipi/scsiconf.h>
67 
68 #include "pckbd.h"
69 
70 #ifndef CONSPEED
71 #define CONSPEED TTYDEF_SPEED
72 #endif
73 static int comcnrate = CONSPEED;
74 
75 void dec_alphabook1_init(void);
76 static void dec_alphabook1_cons_init(void);
77 static void dec_alphabook1_device_register(struct device *, void *);
78 
79 #ifdef KGDB
80 #include <machine/db_machdep.h>
81 
82 static const char *kgdb_devlist[] = {
83 	"com",
84 	NULL,
85 };
86 #endif /* KGDB */
87 
88 const struct alpha_variation_table dec_alphabook1_variations[] = {
89 	{ 0, "AlphaBook" },
90 	{ 0, NULL },
91 };
92 
93 void
94 dec_alphabook1_init()
95 {
96 	u_int64_t variation;
97 
98 	platform.family = "AlphaBook";
99 
100 	if ((platform.model = alpha_dsr_sysname()) == NULL) {
101 		variation = hwrpb->rpb_variation & SV_ST_MASK;
102 		if ((platform.model = alpha_variation_name(variation,
103 		    dec_alphabook1_variations)) == NULL)
104 			platform.model = alpha_unknown_sysname();
105 	}
106 
107 	platform.iobus = "lca";
108 	platform.cons_init = dec_alphabook1_cons_init;
109 	platform.device_register = dec_alphabook1_device_register;
110 }
111 
112 static void
113 dec_alphabook1_cons_init()
114 {
115 	struct ctb *ctb;
116 	struct lca_config *lcp;
117 	extern struct lca_config lca_configuration;
118 
119 	lcp = &lca_configuration;
120 	lca_init(lcp, 0);
121 
122 	ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off);
123 
124 	switch (ctb->ctb_term_type) {
125 	case CTB_PRINTERPORT:
126 		/* serial console ... */
127 		/* XXX */
128 		{
129 			/*
130 			 * Delay to allow PROM putchars to complete.
131 			 * FIFO depth * character time,
132 			 * character time = (1000000 / (defaultrate / 10))
133 			 */
134 			DELAY(160000000 / comcnrate);
135 
136 			if(comcnattach(&lcp->lc_iot, 0x3f8, comcnrate,
137 			    COM_FREQ, COM_TYPE_NORMAL,
138 			    (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8))
139 				panic("can't init serial console");
140 
141 			break;
142 		}
143 
144 	case CTB_GRAPHICS:
145 #if NPCKBD > 0
146 		/* display console ... */
147 		/* XXX */
148 		(void) pckbc_cnattach(&lcp->lc_iot, IO_KBD, KBCMDP,
149 		    PCKBC_KBD_SLOT);
150 
151 		if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) ==
152 		    CTB_TURBOSLOT_TYPE_ISA)
153 			isa_display_console(&lcp->lc_iot, &lcp->lc_memt);
154 		else
155 			pci_display_console(&lcp->lc_iot, &lcp->lc_memt,
156 			    &lcp->lc_pc, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot),
157 			    CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0);
158 #else
159 		panic("not configured to use display && keyboard console");
160 #endif
161 		break;
162 
163 	default:
164 		printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
165 		printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
166 
167 		panic("consinit: unknown console type %ld",
168 		    ctb->ctb_term_type);
169 	}
170 #ifdef KGDB
171 	/* Attach the KGDB device. */
172 	alpha_kgdb_init(kgdb_devlist, &lcp->lc_iot);
173 #endif /* KGDB */
174 }
175 
176 static void
177 dec_alphabook1_device_register(struct device *dev, void *aux)
178 {
179 	static int found, initted, diskboot, netboot;
180 	static struct device *pcidev, *ctrlrdev;
181 	struct bootdev_data *b = bootdev_data;
182 	struct device *parent = device_parent(dev);
183 
184 	if (found)
185 		return;
186 
187 	if (!initted) {
188 		diskboot = (strcasecmp(b->protocol, "SCSI") == 0);
189 		netboot = (strcasecmp(b->protocol, "BOOTP") == 0) ||
190 		    (strcasecmp(b->protocol, "MOP") == 0);
191 #if 0
192 		printf("diskboot = %d, netboot = %d\n", diskboot, netboot);
193 #endif
194 		initted =1;
195 	}
196 
197 	if (pcidev == NULL) {
198 		if (!device_is_a(dev, "pci"))
199 			return;
200 		else {
201 			struct pcibus_attach_args *pba = aux;
202 
203 			if ((b->slot / 1000) != pba->pba_bus)
204 				return;
205 
206 			pcidev = dev;
207 #if 0
208 			printf("\npcidev = %s\n", dev->dv_xname);
209 #endif
210 			return;
211 		}
212 	}
213 
214 	if (ctrlrdev == NULL) {
215 		if (parent != pcidev)
216 			return;
217 		else {
218 			struct pci_attach_args *pa = aux;
219 			int slot;
220 
221 			slot = pa->pa_bus * 1000 + pa->pa_function * 100 +
222 			    pa->pa_device;
223 			if (b->slot != slot)
224 				return;
225 
226 			if (netboot) {
227 				booted_device = dev;
228 #if 0
229 				printf("\nbooted_device = %s\n", dev->dv_xname);
230 #endif
231 				found = 1;
232 			} else {
233 				ctrlrdev = dev;
234 #if 0
235 				printf("\nctrlrdev = %s\n", dev->dv_xname);
236 #endif
237 			}
238 			return;
239 		}
240 	}
241 
242 	if (!diskboot)
243 		return;
244 
245 	if (device_is_a(dev, "sd") ||
246 	    device_is_a(dev, "st") ||
247 	    device_is_a(dev, "cd")) {
248 		struct scsipibus_attach_args *sa = aux;
249 		struct scsipi_periph *periph = sa->sa_periph;
250 		int unit;
251 
252 		if (device_parent(parent) != ctrlrdev)
253 			return;
254 
255 		unit = periph->periph_target * 100 + periph->periph_lun;
256 		if (b->unit != unit)
257 			return;
258 		if (b->channel != periph->periph_channel->chan_channel)
259 			return;
260 
261 		/* we've found it! */
262 		booted_device = dev;
263 #if 0
264 		printf("\nbooted_device = %s\n", dev->dv_xname);
265 #endif
266 		found = 1;
267 	}
268 }
269