Annotation of src/sys/arch/x86/x86/consinit.c, Revision 1.14
1.14 ! jmcneill 1: /* $NetBSD: consinit.c,v 1.13 2007/01/05 02:39:50 jmcneill Exp $ */
1.1 fvdl 2:
3: /*
4: * Copyright (c) 1998
5: * Matthias Drochner. All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26: *
27: */
28:
29: #include <sys/cdefs.h>
1.14 ! jmcneill 30: __KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.13 2007/01/05 02:39:50 jmcneill Exp $");
1.1 fvdl 31:
32: #include "opt_kgdb.h"
33:
34: #include <sys/param.h>
35: #include <sys/systm.h>
36: #include <sys/device.h>
37: #include <machine/bus.h>
38: #include <machine/bootinfo.h>
39:
40: #include "vga.h"
41: #include "ega.h"
42: #include "pcdisplay.h"
43: #if (NVGA > 0) || (NEGA > 0) || (NPCDISPLAY > 0)
44: #include <dev/ic/mc6845reg.h>
45: #include <dev/ic/pcdisplayvar.h>
46: #if (NVGA > 0)
47: #include <dev/ic/vgareg.h>
48: #include <dev/ic/vgavar.h>
49: #endif
50: #if (NEGA > 0)
51: #include <dev/isa/egavar.h>
52: #endif
53: #if (NPCDISPLAY > 0)
54: #include <dev/isa/pcdisplayvar.h>
55: #endif
56: #endif
57:
58: #include "pckbc.h"
59: #if (NPCKBC > 0)
60: #include <dev/isa/isareg.h>
61: #include <dev/ic/i8042reg.h>
62: #include <dev/ic/pckbcvar.h>
1.4 bjh21 63: #include <dev/pckbport/pckbportvar.h>
1.1 fvdl 64: #endif
65: #include "pckbd.h" /* for pckbc_machdep_cnattach */
66:
1.2 fvdl 67: #ifndef __x86_64__
1.1 fvdl 68: #include "pc.h"
1.2 fvdl 69: #endif
1.1 fvdl 70: #if (NPC > 0)
71: #include <machine/pccons.h>
72: #endif
73:
1.10 jmcneill 74: #ifdef __i386__
75: #include "vesafb.h"
76: #if (NVESAFB > 0)
77: #include <arch/i386/bios/vesafbvar.h>
78: #endif
79: #endif
80:
1.13 jmcneill 81: #ifdef __i386__
82: #include "xboxfb.h"
83: #if (NXBOXFB > 0)
84: #include <machine/xbox.h>
85: #endif
86: #endif
87:
1.1 fvdl 88: #include "com.h"
89: #if (NCOM > 0)
90: #include <sys/termios.h>
91: #include <dev/ic/comreg.h>
92: #include <dev/ic/comvar.h>
93: #endif
94:
95: #include "ukbd.h"
96: #if (NUKBD > 0)
97: #include <dev/usb/ukbdvar.h>
98: #endif
99:
100: #ifndef CONSDEVNAME
101: #define CONSDEVNAME "pc"
102: #endif
103:
104: #if (NCOM > 0)
105: #ifndef CONADDR
106: #define CONADDR 0x3f8
107: #endif
108: #ifndef CONSPEED
109: #define CONSPEED TTYDEF_SPEED
110: #endif
111: #ifndef CONMODE
112: #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
113: #endif
114: int comcnmode = CONMODE;
115: #endif /* NCOM */
116:
117: const struct btinfo_console default_consinfo = {
118: {0, 0},
119: CONSDEVNAME,
120: #if (NCOM > 0)
121: CONADDR, CONSPEED
122: #else
123: 0, 0
124: #endif
125: };
126:
127: #ifdef KGDB
128: #ifndef KGDB_DEVNAME
129: #define KGDB_DEVNAME "com"
130: #endif
131: const char kgdb_devname[] = KGDB_DEVNAME;
132:
133: #if (NCOM > 0)
134: #ifndef KGDB_DEVADDR
135: #define KGDB_DEVADDR 0x3f8
136: #endif
137: int comkgdbaddr = KGDB_DEVADDR;
138: #ifndef KGDB_DEVRATE
139: #define KGDB_DEVRATE TTYDEF_SPEED
140: #endif
141: int comkgdbrate = KGDB_DEVRATE;
142: #ifndef KGDB_DEVMODE
143: #define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
144: #endif
145: int comkgdbmode = KGDB_DEVMODE;
146: #endif /* NCOM */
147:
148: #endif /* KGDB */
149:
150: /*
151: * consinit:
152: * initialize the system console.
153: * XXX - shouldn't deal with this initted thing, but then,
154: * it shouldn't be called from init386 either.
155: */
156: void
157: consinit()
158: {
159: const struct btinfo_console *consinfo;
160: static int initted;
161:
162: if (initted)
163: return;
164: initted = 1;
165:
166: #ifndef CONS_OVERRIDE
167: consinfo = lookup_bootinfo(BTINFO_CONSOLE);
168: if (!consinfo)
169: #endif
170: consinfo = &default_consinfo;
171:
1.13 jmcneill 172: #if (NPC > 0) || (NVGA > 0) || (NEGA > 0) || (NPCDISPLAY > 0) || (NVESAFB > 0) || (NXBOXFB > 0)
1.1 fvdl 173: if (!strcmp(consinfo->devname, "pc")) {
1.6 augustss 174: int error;
1.10 jmcneill 175: #if (NVESAFB > 0)
176: if (!vesafb_cnattach())
177: goto dokbd;
178: #endif
1.13 jmcneill 179: #if (NXBOXFB > 0)
1.14 ! jmcneill 180: switch (xboxfb_cnattach()) {
! 181: case 0:
1.13 jmcneill 182: goto dokbd;
1.14 ! jmcneill 183: case 1:
! 184: break;
! 185: case -1:
! 186: /* defer initialization until later */
! 187: initted = 0;
! 188: return;
! 189: }
1.13 jmcneill 190: #endif
1.1 fvdl 191: #if (NVGA > 0)
192: if (!vga_cnattach(X86_BUS_SPACE_IO, X86_BUS_SPACE_MEM,
193: -1, 1))
194: goto dokbd;
195: #endif
196: #if (NEGA > 0)
197: if (!ega_cnattach(X86_BUS_SPACE_IO, X86_BUS_SPACE_MEM))
198: goto dokbd;
199: #endif
200: #if (NPCDISPLAY > 0)
201: if (!pcdisplay_cnattach(X86_BUS_SPACE_IO, X86_BUS_SPACE_MEM))
202: goto dokbd;
203: #endif
204: #if (NPC > 0)
205: pccnattach();
206: #endif
207: if (0) goto dokbd; /* XXX stupid gcc */
208: dokbd:
1.7 augustss 209: error = ENODEV;
1.1 fvdl 210: #if (NPCKBC > 0)
1.5 augustss 211: error = pckbc_cnattach(X86_BUS_SPACE_IO, IO_KBD, KBCMDP,
1.1 fvdl 212: PCKBC_KBD_SLOT);
213: #endif
1.5 augustss 214: #if (NUKBD > 0)
215: if (error)
1.7 augustss 216: error = ukbd_cnattach();
1.1 fvdl 217: #endif
1.7 augustss 218: if (error)
219: printf("WARNING: no console keyboard, error=%d\n",
220: error);
1.1 fvdl 221: return;
222: }
1.13 jmcneill 223: #endif /* PC | VT | VGA | PCDISPLAY | VESAFB | XBOXFB */
1.1 fvdl 224: #if (NCOM > 0)
225: if (!strcmp(consinfo->devname, "com")) {
226: bus_space_tag_t tag = X86_BUS_SPACE_IO;
1.9 jmmv 227: int addr = consinfo->addr;
228: int speed = consinfo->speed;
1.1 fvdl 229:
1.9 jmmv 230: if (addr == 0)
231: addr = CONADDR;
232: if (speed == 0)
233: speed = CONSPEED;
234:
235: if (comcnattach(tag, addr, speed,
1.3 thorpej 236: COM_FREQ, COM_TYPE_NORMAL, comcnmode))
1.1 fvdl 237: panic("can't init serial console @%x", consinfo->addr);
238:
239: return;
240: }
241: #endif
242: panic("invalid console device %s", consinfo->devname);
243: }
244:
245: #if (NPCKBC > 0) && (NPCKBD == 0)
246: /*
247: * glue code to support old console code with the
248: * mi keyboard controller driver
249: */
250: int
1.4 bjh21 251: pckbport_machdep_cnattach(kbctag, kbcslot)
252: pckbport_tag_t kbctag;
253: pckbport_slot_t kbcslot;
1.1 fvdl 254: {
255: #if (NPC > 0) && (NPCCONSKBD > 0)
256: return (pcconskbd_cnattach(kbctag, kbcslot));
257: #else
258: return (ENXIO);
259: #endif
260: }
261: #endif
262:
263: #ifdef KGDB
264: void
265: kgdb_port_init()
266: {
267: #if (NCOM > 0)
268: if(!strcmp(kgdb_devname, "com")) {
269: bus_space_tag_t tag = X86_BUS_SPACE_IO;
270:
271: com_kgdb_attach(tag, comkgdbaddr, comkgdbrate, COM_FREQ,
1.3 thorpej 272: COM_TYPE_NORMAL, comkgdbmode);
1.1 fvdl 273: }
274: #endif
275: }
276: #endif
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