1 /* $NetBSD: consinit.c,v 1.10 2021/03/30 05:18:37 rin 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 1.10 2021/03/30 05:18:37 rin Exp $");
31
32 #include "opt_kgdb.h"
33
34 #include <sys/param.h>
35 #include <sys/bus.h>
36 #include <sys/device.h>
37 #include <sys/systm.h>
38
39 #include <powerpc/ibm4xx/ibm405gp.h>
40
41 #include "com.h"
42 #if (NCOM > 0)
43 #include <sys/termios.h>
44 #include <dev/ic/comreg.h>
45 #include <dev/ic/comvar.h>
46 #include <powerpc/ibm4xx/dev/comopbvar.h>
47 #endif
48
49 #if (NCOM > 0)
50 #ifndef CONADDR
51 #define CONADDR IBM405GP_UART0_BASE
52 #endif
53 #ifndef CONSPEED
54 #define CONSPEED B9600 /* */
55 // #define CONSPEED B115200 /* 9600 is too slow for my taste */
56 #endif
57 #ifndef CONMODE
58 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
59 #endif
60 int comcnmode = CONMODE;
61 #endif /* NCOM */
62
63 #ifdef KGDB
64 #ifndef KGDB_DEVNAME
65 #define KGDB_DEVNAME "com"
66 #endif
67 char kgdb_devname[] = KGDB_DEVNAME;
68
69 #if (NCOM > 1)
70 #ifndef KGDB_DEVADDR
71 #define KGDB_DEVADDR UART1_BASE
72 #endif
73 int comkgdbaddr = KGDB_DEVADDR;
74
75 #ifndef KGDB_DEVRATE
76 #define KGDB_DEVRATE CONSPEED
77 #endif
78 int comkgdbrate = KGDB_DEVRATE;
79
80 #ifndef KGDB_DEVMODE
81 #define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
82 #endif
83 int comkgdbmode = KGDB_DEVMODE;
84
85 #endif /* NCOM */
86
87 #endif /* KGDB */
88
89 void
consinit(void)90 consinit(void)
91 {
92
93 com_opb_cnattach(COM_FREQ * 6, CONADDR, CONSPEED, comcnmode);
94 }
95
96 #ifdef KGDB
97 void
kgdb_port_init(void)98 kgdb_port_init(void)
99 {
100 #if (NCOM > 0)
101 if(!strcmp(kgdb_devname, "com")) {
102 bus_space_tag_t tag = opb_get_bus_space_tag();
103 com_kgdb_attach(tag, comkgdbaddr, comkgdbrate, COM_FREQ * 6,
104 COM_TYPE_NORMAL, comkgdbmode);
105 }
106 #endif
107 }
108 #endif
109