1 | /* $NetBSD: consinit.c,v 1.28 2015/01/11 19:54:23 is Exp $ */ |
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> |
30 | __KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.28 2015/01/11 19:54:23 is Exp $" ); |
31 | |
32 | #include "opt_kgdb.h" |
33 | #include "opt_puc.h" |
34 | |
35 | #include <sys/param.h> |
36 | #include <sys/systm.h> |
37 | #include <sys/device.h> |
38 | #include <sys/bus.h> |
39 | #include <machine/bootinfo.h> |
40 | #include <arch/x86/include/genfb_machdep.h> |
41 | |
42 | #include <dev/cons.h> |
43 | |
44 | #include "nullcons.h" |
45 | #include "genfb.h" |
46 | #include "vga.h" |
47 | #include "ega.h" |
48 | #include "pcdisplay.h" |
49 | #include "com_puc.h" |
50 | #if (NVGA > 0) || (NEGA > 0) || (NPCDISPLAY > 0) |
51 | #include <dev/ic/mc6845reg.h> |
52 | #include <dev/ic/pcdisplayvar.h> |
53 | #if (NVGA > 0) |
54 | #include <dev/ic/vgareg.h> |
55 | #include <dev/ic/vgavar.h> |
56 | #endif |
57 | #if (NEGA > 0) |
58 | #include <dev/isa/egavar.h> |
59 | #endif |
60 | #if (NPCDISPLAY > 0) |
61 | #include <dev/isa/pcdisplayvar.h> |
62 | #endif |
63 | #endif |
64 | |
65 | #include "pckbc.h" |
66 | #if (NPCKBC > 0) |
67 | #include <dev/isa/isareg.h> |
68 | #include <dev/ic/i8042reg.h> |
69 | #include <dev/ic/pckbcvar.h> |
70 | #include <dev/pckbport/pckbportvar.h> |
71 | #endif |
72 | #include "pckbd.h" /* for pckbc_machdep_cnattach */ |
73 | |
74 | #if (NGENFB > 0) |
75 | #include <dev/wsfb/genfbvar.h> |
76 | #endif |
77 | |
78 | #include "com.h" |
79 | #if (NCOM > 0) |
80 | #include <sys/termios.h> |
81 | #include <dev/ic/comreg.h> |
82 | #include <dev/ic/comvar.h> |
83 | #endif |
84 | #if (NCOM_PUC > 0) |
85 | #include <dev/pci/puccn.h> |
86 | #endif |
87 | |
88 | #include "ukbd.h" |
89 | #if (NUKBD > 0) |
90 | #include <dev/usb/ukbdvar.h> |
91 | #endif |
92 | |
93 | #ifndef CONSDEVNAME |
94 | #define CONSDEVNAME "pc" |
95 | #endif |
96 | |
97 | #if (NCOM > 0) |
98 | #ifndef CONADDR |
99 | #define CONADDR 0x3f8 |
100 | #endif |
101 | #ifndef CONSPEED |
102 | #define CONSPEED TTYDEF_SPEED |
103 | #endif |
104 | #ifndef CONMODE |
105 | #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ |
106 | #endif |
107 | int comcnmode = CONMODE; |
108 | #endif /* NCOM */ |
109 | |
110 | const struct btinfo_console default_consinfo = { |
111 | {0, 0}, |
112 | CONSDEVNAME, |
113 | #if (NCOM > 0) |
114 | CONADDR, CONSPEED |
115 | #else |
116 | 0, 0 |
117 | #endif |
118 | }; |
119 | |
120 | #ifdef KGDB |
121 | #ifndef KGDB_DEVNAME |
122 | #define KGDB_DEVNAME "com" |
123 | #endif |
124 | const char kgdb_devname[] = KGDB_DEVNAME; |
125 | |
126 | #if (NCOM > 0) |
127 | #ifndef KGDB_DEVADDR |
128 | #define KGDB_DEVADDR 0x3f8 |
129 | #endif |
130 | int comkgdbaddr = KGDB_DEVADDR; |
131 | #ifndef KGDB_DEVRATE |
132 | #define KGDB_DEVRATE TTYDEF_SPEED |
133 | #endif |
134 | int comkgdbrate = KGDB_DEVRATE; |
135 | #ifndef KGDB_DEVMODE |
136 | #define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ |
137 | #endif |
138 | int comkgdbmode = KGDB_DEVMODE; |
139 | #endif /* NCOM */ |
140 | |
141 | #endif /* KGDB */ |
142 | |
143 | /* |
144 | * consinit: |
145 | * initialize the system console. |
146 | * XXX - shouldn't deal with this initted thing, but then, |
147 | * it shouldn't be called from init386 either. |
148 | */ |
149 | void |
150 | consinit(void) |
151 | { |
152 | const struct btinfo_console *consinfo; |
153 | #if (NGENFB > 0) |
154 | const struct btinfo_framebuffer *fbinfo; |
155 | #endif |
156 | static int initted; |
157 | #if (NCOM > 0) |
158 | int rv; |
159 | #endif |
160 | |
161 | if (initted) |
162 | return; |
163 | initted = 1; |
164 | |
165 | #ifndef CONS_OVERRIDE |
166 | consinfo = lookup_bootinfo(BTINFO_CONSOLE); |
167 | if (!consinfo) |
168 | #endif |
169 | consinfo = &default_consinfo; |
170 | |
171 | #if (NGENFB > 0) |
172 | fbinfo = lookup_bootinfo(BTINFO_FRAMEBUFFER); |
173 | #endif |
174 | |
175 | if (!strcmp(consinfo->devname, "pc" )) { |
176 | int error; |
177 | #if (NGENFB > 0) |
178 | if (fbinfo && fbinfo->physaddr > 0) { |
179 | if (x86_genfb_cnattach() == -1) { |
180 | initted = 0; /* defer */ |
181 | return; |
182 | } |
183 | genfb_cnattach(); |
184 | goto dokbd; |
185 | } |
186 | genfb_disable(); |
187 | #endif |
188 | #if (NVGA > 0) |
189 | if (!vga_cnattach(x86_bus_space_io, x86_bus_space_mem, |
190 | -1, 1)) |
191 | goto dokbd; |
192 | #endif |
193 | #if (NEGA > 0) |
194 | if (!ega_cnattach(x86_bus_space_io, x86_bus_space_mem)) |
195 | goto dokbd; |
196 | #endif |
197 | #if (NPCDISPLAY > 0) |
198 | if (!pcdisplay_cnattach(x86_bus_space_io, x86_bus_space_mem)) |
199 | goto dokbd; |
200 | #endif |
201 | if (0) goto dokbd; /* XXX stupid gcc */ |
202 | dokbd: |
203 | error = ENODEV; |
204 | #if (NPCKBC > 0) |
205 | error = pckbc_cnattach(x86_bus_space_io, IO_KBD, KBCMDP, |
206 | PCKBC_KBD_SLOT, 0); |
207 | #endif |
208 | #if (NUKBD > 0) |
209 | if (error) |
210 | error = ukbd_cnattach(); |
211 | #endif |
212 | if (error) |
213 | printf("WARNING: no console keyboard, error=%d\n" , |
214 | error); |
215 | return; |
216 | } |
217 | #if (NCOM > 0) |
218 | if (!strcmp(consinfo->devname, "com" )) { |
219 | int addr = consinfo->addr; |
220 | int speed = consinfo->speed; |
221 | |
222 | #if (NCOM_PUC > 0) && defined(PUC_CNAUTO) |
223 | puc_cnprobe(NULL); |
224 | rv = puc_cninit(NULL); |
225 | if (rv == 0) |
226 | return; |
227 | #endif |
228 | |
229 | if (addr == 0) |
230 | addr = CONADDR; |
231 | if (speed == 0) |
232 | speed = CONSPEED; |
233 | |
234 | rv = comcnattach(x86_bus_space_io, addr, speed, |
235 | COM_FREQ, COM_TYPE_NORMAL, comcnmode); |
236 | if (rv != 0) |
237 | panic("can't init serial console @%x" , consinfo->addr); |
238 | return; |
239 | } |
240 | #endif |
241 | #if (NNULLCONS > 0) |
242 | if (!strcmp(consinfo->devname, "nullcons" )) { |
243 | void nullcninit(struct consdev *cn); |
244 | |
245 | nullcninit(0); |
246 | return; |
247 | } |
248 | #endif |
249 | panic("invalid console device %s" , consinfo->devname); |
250 | } |
251 | |
252 | #ifdef KGDB |
253 | void |
254 | kgdb_port_init(void) |
255 | { |
256 | #if (NCOM > 0) |
257 | if(!strcmp(kgdb_devname, "com" )) { |
258 | com_kgdb_attach(x86_bus_space_io, comkgdbaddr, comkgdbrate, |
259 | COM_FREQ, COM_TYPE_NORMAL, comkgdbmode); |
260 | } |
261 | #endif |
262 | } |
263 | #endif |
264 | |