1 | /* |
---|
2 | * This file contains the generic console driver shell used |
---|
3 | * by all console drivers using libchip. |
---|
4 | * |
---|
5 | * This driver uses the termios pseudo driver. |
---|
6 | * |
---|
7 | * COPYRIGHT (c) 1989-1997. |
---|
8 | * On-Line Applications Research Corporation (OAR). |
---|
9 | * |
---|
10 | * The license and distribution terms for this file may be |
---|
11 | * found in the file LICENSE in this distribution or at |
---|
12 | * http://www.rtems.com/license/LICENSE. |
---|
13 | * |
---|
14 | * $Id$ |
---|
15 | */ |
---|
16 | |
---|
17 | #include <bsp.h> |
---|
18 | #include <rtems/libio.h> |
---|
19 | #include <termios.h> |
---|
20 | #include "sci.h" |
---|
21 | //#include "../../../../../../rtems/c/src/lib/libbsp/m68k/opti/console/duart.h" |
---|
22 | //#include "../../../../../../rtems/c/src/lib/libc/libio_.h" |
---|
23 | |
---|
24 | /*PAGE |
---|
25 | * |
---|
26 | * console_open |
---|
27 | * |
---|
28 | * open a port as a termios console. |
---|
29 | * |
---|
30 | * the console is opened in bsp_postdriver_hook() in bsppost.c |
---|
31 | * |
---|
32 | */ |
---|
33 | |
---|
34 | rtems_device_driver console_open( |
---|
35 | rtems_device_major_number major, |
---|
36 | rtems_device_minor_number minor, |
---|
37 | void * arg |
---|
38 | ) |
---|
39 | { |
---|
40 | rtems_status_code status; |
---|
41 | |
---|
42 | /* the console is opened three times at startup */ |
---|
43 | /* for standard input, output, and error */ |
---|
44 | |
---|
45 | /* Get correct callback structure for the device */ |
---|
46 | |
---|
47 | /* argument of FALSE gives us interrupt driven serial io */ |
---|
48 | /* argument of TRUE gives us polling based serial io */ |
---|
49 | |
---|
50 | /* SCI internal uart */ |
---|
51 | |
---|
52 | status = rtems_termios_open( major, minor, arg, SciGetTermiosHandlers( TRUE ) ); |
---|
53 | |
---|
54 | return status; |
---|
55 | } |
---|
56 | |
---|
57 | /*PAGE |
---|
58 | * |
---|
59 | * console_close |
---|
60 | * |
---|
61 | * This routine closes a port that has been opened as console. |
---|
62 | */ |
---|
63 | |
---|
64 | rtems_device_driver console_close( |
---|
65 | rtems_device_major_number major, |
---|
66 | rtems_device_minor_number minor, |
---|
67 | void * arg |
---|
68 | ) |
---|
69 | { |
---|
70 | return rtems_termios_close (arg); |
---|
71 | } |
---|
72 | |
---|
73 | /*PAGE |
---|
74 | * |
---|
75 | * console_read |
---|
76 | * |
---|
77 | * This routine uses the termios driver to read a character. |
---|
78 | */ |
---|
79 | |
---|
80 | rtems_device_driver console_read( |
---|
81 | rtems_device_major_number major, |
---|
82 | rtems_device_minor_number minor, |
---|
83 | void * arg |
---|
84 | ) |
---|
85 | { |
---|
86 | return rtems_termios_read (arg); |
---|
87 | } |
---|
88 | |
---|
89 | /*PAGE |
---|
90 | * |
---|
91 | * console_write |
---|
92 | * |
---|
93 | * this routine uses the termios driver to write a character. |
---|
94 | */ |
---|
95 | |
---|
96 | rtems_device_driver console_write( |
---|
97 | rtems_device_major_number major, |
---|
98 | rtems_device_minor_number minor, |
---|
99 | void * arg |
---|
100 | ) |
---|
101 | { |
---|
102 | return rtems_termios_write (arg); |
---|
103 | } |
---|
104 | |
---|
105 | /*PAGE |
---|
106 | * |
---|
107 | * console_control |
---|
108 | * |
---|
109 | * this routine uses the termios driver to process io |
---|
110 | */ |
---|
111 | |
---|
112 | rtems_device_driver console_control( |
---|
113 | rtems_device_major_number major, |
---|
114 | rtems_device_minor_number minor, |
---|
115 | void * arg |
---|
116 | ) |
---|
117 | { |
---|
118 | return rtems_termios_ioctl (arg); |
---|
119 | } |
---|
120 | |
---|
121 | /*PAGE |
---|
122 | * |
---|
123 | * console_initialize |
---|
124 | * |
---|
125 | * Routine called to initialize the console device driver. |
---|
126 | */ |
---|
127 | |
---|
128 | rtems_device_driver console_initialize( |
---|
129 | rtems_device_major_number major, |
---|
130 | rtems_device_minor_number minor_arg, |
---|
131 | void *arg |
---|
132 | ) |
---|
133 | { |
---|
134 | rtems_status_code status; |
---|
135 | |
---|
136 | /* |
---|
137 | * initialize the termio interface. |
---|
138 | */ |
---|
139 | rtems_termios_initialize(); |
---|
140 | |
---|
141 | |
---|
142 | /* |
---|
143 | * register the SCI device name for termios |
---|
144 | * do this over in the sci driver init routine? |
---|
145 | */ |
---|
146 | |
---|
147 | status = rtems_io_register_name( "/dev/sci", major, 0 ); |
---|
148 | |
---|
149 | if (status != RTEMS_SUCCESSFUL) |
---|
150 | { |
---|
151 | rtems_fatal_error_occurred(status); |
---|
152 | } |
---|
153 | |
---|
154 | |
---|
155 | /* |
---|
156 | * Link the uart device to the console device |
---|
157 | */ |
---|
158 | |
---|
159 | #if 1 |
---|
160 | status = rtems_io_register_name( "/dev/console", major, 0 ); |
---|
161 | |
---|
162 | if (status != RTEMS_SUCCESSFUL) |
---|
163 | { |
---|
164 | rtems_fatal_error_occurred(status); |
---|
165 | } |
---|
166 | #else |
---|
167 | if ( link( "/dev/sci", "/dev/console") < 0 ) |
---|
168 | { |
---|
169 | rtems_fatal_error_occurred( RTEMS_IO_ERROR ); |
---|
170 | } |
---|
171 | #endif |
---|
172 | |
---|
173 | /* |
---|
174 | * Console Initialize Succesful |
---|
175 | */ |
---|
176 | |
---|
177 | return RTEMS_SUCCESSFUL; |
---|
178 | } |
---|