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47d1a6e1 WD |
1 | /* |
2 | * (C) Copyright 2000 | |
3 | * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <common.h> | |
25 | #include <stdarg.h> | |
26 | #include <malloc.h> | |
27 | #include <console.h> | |
27b207fd | 28 | #include <exports.h> |
47d1a6e1 | 29 | |
d87080b7 WD |
30 | DECLARE_GLOBAL_DATA_PTR; |
31 | ||
c7de829c WD |
32 | #ifdef CONFIG_AMIGAONEG3SE |
33 | int console_changed = 0; | |
34 | #endif | |
35 | ||
47d1a6e1 WD |
36 | #ifdef CFG_CONSOLE_IS_IN_ENV |
37 | /* | |
38 | * if overwrite_console returns 1, the stdin, stderr and stdout | |
39 | * are switched to the serial port, else the settings in the | |
40 | * environment are used | |
41 | */ | |
42 | #ifdef CFG_CONSOLE_OVERWRITE_ROUTINE | |
43 | extern int overwrite_console (void); | |
83e40ba7 | 44 | #define OVERWRITE_CONSOLE overwrite_console () |
47d1a6e1 | 45 | #else |
83e40ba7 | 46 | #define OVERWRITE_CONSOLE 0 |
47d1a6e1 WD |
47 | #endif /* CFG_CONSOLE_OVERWRITE_ROUTINE */ |
48 | ||
49 | #endif /* CFG_CONSOLE_IS_IN_ENV */ | |
50 | ||
51 | static int console_setfile (int file, device_t * dev) | |
52 | { | |
53 | int error = 0; | |
54 | ||
55 | if (dev == NULL) | |
56 | return -1; | |
57 | ||
58 | switch (file) { | |
59 | case stdin: | |
60 | case stdout: | |
61 | case stderr: | |
62 | /* Start new device */ | |
63 | if (dev->start) { | |
64 | error = dev->start (); | |
65 | /* If it's not started dont use it */ | |
66 | if (error < 0) | |
67 | break; | |
68 | } | |
69 | ||
70 | /* Assign the new device (leaving the existing one started) */ | |
71 | stdio_devices[file] = dev; | |
72 | ||
73 | /* | |
74 | * Update monitor functions | |
75 | * (to use the console stuff by other applications) | |
76 | */ | |
77 | switch (file) { | |
78 | case stdin: | |
27b207fd WD |
79 | gd->jt[XF_getc] = dev->getc; |
80 | gd->jt[XF_tstc] = dev->tstc; | |
47d1a6e1 WD |
81 | break; |
82 | case stdout: | |
27b207fd WD |
83 | gd->jt[XF_putc] = dev->putc; |
84 | gd->jt[XF_puts] = dev->puts; | |
85 | gd->jt[XF_printf] = printf; | |
47d1a6e1 WD |
86 | break; |
87 | } | |
88 | break; | |
89 | ||
90 | default: /* Invalid file ID */ | |
91 | error = -1; | |
92 | } | |
93 | return error; | |
94 | } | |
95 | ||
96 | /** U-Boot INITIAL CONSOLE-NOT COMPATIBLE FUNCTIONS *************************/ | |
97 | ||
98 | void serial_printf (const char *fmt, ...) | |
99 | { | |
100 | va_list args; | |
101 | uint i; | |
102 | char printbuffer[CFG_PBSIZE]; | |
103 | ||
104 | va_start (args, fmt); | |
105 | ||
106 | /* For this to work, printbuffer must be larger than | |
107 | * anything we ever want to print. | |
108 | */ | |
109 | i = vsprintf (printbuffer, fmt, args); | |
110 | va_end (args); | |
111 | ||
112 | serial_puts (printbuffer); | |
113 | } | |
114 | ||
115 | int fgetc (int file) | |
116 | { | |
117 | if (file < MAX_FILES) | |
118 | return stdio_devices[file]->getc (); | |
119 | ||
120 | return -1; | |
121 | } | |
122 | ||
123 | int ftstc (int file) | |
124 | { | |
125 | if (file < MAX_FILES) | |
126 | return stdio_devices[file]->tstc (); | |
127 | ||
128 | return -1; | |
129 | } | |
130 | ||
131 | void fputc (int file, const char c) | |
132 | { | |
133 | if (file < MAX_FILES) | |
134 | stdio_devices[file]->putc (c); | |
135 | } | |
136 | ||
137 | void fputs (int file, const char *s) | |
138 | { | |
139 | if (file < MAX_FILES) | |
140 | stdio_devices[file]->puts (s); | |
141 | } | |
142 | ||
143 | void fprintf (int file, const char *fmt, ...) | |
144 | { | |
145 | va_list args; | |
146 | uint i; | |
147 | char printbuffer[CFG_PBSIZE]; | |
148 | ||
149 | va_start (args, fmt); | |
150 | ||
151 | /* For this to work, printbuffer must be larger than | |
152 | * anything we ever want to print. | |
153 | */ | |
154 | i = vsprintf (printbuffer, fmt, args); | |
155 | va_end (args); | |
156 | ||
157 | /* Send to desired file */ | |
158 | fputs (file, printbuffer); | |
159 | } | |
160 | ||
161 | /** U-Boot INITIAL CONSOLE-COMPATIBLE FUNCTION *****************************/ | |
162 | ||
163 | int getc (void) | |
164 | { | |
f5c3ba79 MJ |
165 | #ifdef CONFIG_DISABLE_CONSOLE |
166 | if (gd->flags & GD_FLG_DISABLE_CONSOLE) | |
167 | return 0; | |
168 | #endif | |
169 | ||
47d1a6e1 WD |
170 | if (gd->flags & GD_FLG_DEVINIT) { |
171 | /* Get from the standard input */ | |
172 | return fgetc (stdin); | |
173 | } | |
174 | ||
175 | /* Send directly to the handler */ | |
176 | return serial_getc (); | |
177 | } | |
178 | ||
179 | int tstc (void) | |
180 | { | |
f5c3ba79 MJ |
181 | #ifdef CONFIG_DISABLE_CONSOLE |
182 | if (gd->flags & GD_FLG_DISABLE_CONSOLE) | |
183 | return 0; | |
184 | #endif | |
185 | ||
47d1a6e1 WD |
186 | if (gd->flags & GD_FLG_DEVINIT) { |
187 | /* Test the standard input */ | |
188 | return ftstc (stdin); | |
189 | } | |
190 | ||
191 | /* Send directly to the handler */ | |
192 | return serial_tstc (); | |
193 | } | |
194 | ||
195 | void putc (const char c) | |
196 | { | |
a6cccaea WD |
197 | #ifdef CONFIG_SILENT_CONSOLE |
198 | if (gd->flags & GD_FLG_SILENT) | |
f6e20fc6 | 199 | return; |
a6cccaea WD |
200 | #endif |
201 | ||
f5c3ba79 MJ |
202 | #ifdef CONFIG_DISABLE_CONSOLE |
203 | if (gd->flags & GD_FLG_DISABLE_CONSOLE) | |
204 | return; | |
205 | #endif | |
206 | ||
47d1a6e1 WD |
207 | if (gd->flags & GD_FLG_DEVINIT) { |
208 | /* Send to the standard output */ | |
209 | fputc (stdout, c); | |
210 | } else { | |
211 | /* Send directly to the handler */ | |
212 | serial_putc (c); | |
213 | } | |
214 | } | |
215 | ||
216 | void puts (const char *s) | |
217 | { | |
a6cccaea WD |
218 | #ifdef CONFIG_SILENT_CONSOLE |
219 | if (gd->flags & GD_FLG_SILENT) | |
220 | return; | |
221 | #endif | |
222 | ||
f5c3ba79 MJ |
223 | #ifdef CONFIG_DISABLE_CONSOLE |
224 | if (gd->flags & GD_FLG_DISABLE_CONSOLE) | |
225 | return; | |
226 | #endif | |
227 | ||
47d1a6e1 WD |
228 | if (gd->flags & GD_FLG_DEVINIT) { |
229 | /* Send to the standard output */ | |
230 | fputs (stdout, s); | |
231 | } else { | |
232 | /* Send directly to the handler */ | |
233 | serial_puts (s); | |
234 | } | |
235 | } | |
236 | ||
237 | void printf (const char *fmt, ...) | |
238 | { | |
239 | va_list args; | |
240 | uint i; | |
241 | char printbuffer[CFG_PBSIZE]; | |
242 | ||
243 | va_start (args, fmt); | |
244 | ||
245 | /* For this to work, printbuffer must be larger than | |
246 | * anything we ever want to print. | |
247 | */ | |
248 | i = vsprintf (printbuffer, fmt, args); | |
249 | va_end (args); | |
250 | ||
251 | /* Print the string */ | |
252 | puts (printbuffer); | |
253 | } | |
254 | ||
6dd652fa WD |
255 | void vprintf (const char *fmt, va_list args) |
256 | { | |
257 | uint i; | |
258 | char printbuffer[CFG_PBSIZE]; | |
259 | ||
260 | /* For this to work, printbuffer must be larger than | |
261 | * anything we ever want to print. | |
262 | */ | |
263 | i = vsprintf (printbuffer, fmt, args); | |
264 | ||
265 | /* Print the string */ | |
266 | puts (printbuffer); | |
267 | } | |
268 | ||
47d1a6e1 WD |
269 | /* test if ctrl-c was pressed */ |
270 | static int ctrlc_disabled = 0; /* see disable_ctrl() */ | |
271 | static int ctrlc_was_pressed = 0; | |
272 | int ctrlc (void) | |
273 | { | |
47d1a6e1 WD |
274 | if (!ctrlc_disabled && gd->have_console) { |
275 | if (tstc ()) { | |
276 | switch (getc ()) { | |
277 | case 0x03: /* ^C - Control C */ | |
278 | ctrlc_was_pressed = 1; | |
279 | return 1; | |
280 | default: | |
281 | break; | |
282 | } | |
283 | } | |
284 | } | |
285 | return 0; | |
286 | } | |
287 | ||
288 | /* pass 1 to disable ctrlc() checking, 0 to enable. | |
289 | * returns previous state | |
290 | */ | |
291 | int disable_ctrlc (int disable) | |
292 | { | |
293 | int prev = ctrlc_disabled; /* save previous state */ | |
294 | ||
295 | ctrlc_disabled = disable; | |
296 | return prev; | |
297 | } | |
298 | ||
299 | int had_ctrlc (void) | |
300 | { | |
301 | return ctrlc_was_pressed; | |
302 | } | |
303 | ||
304 | void clear_ctrlc (void) | |
305 | { | |
306 | ctrlc_was_pressed = 0; | |
307 | } | |
308 | ||
309 | #ifdef CONFIG_MODEM_SUPPORT_DEBUG | |
310 | char screen[1024]; | |
311 | char *cursor = screen; | |
312 | int once = 0; | |
313 | inline void dbg(const char *fmt, ...) | |
314 | { | |
315 | va_list args; | |
316 | uint i; | |
317 | char printbuffer[CFG_PBSIZE]; | |
318 | ||
319 | if (!once) { | |
320 | memset(screen, 0, sizeof(screen)); | |
321 | once++; | |
322 | } | |
323 | ||
324 | va_start(args, fmt); | |
325 | ||
326 | /* For this to work, printbuffer must be larger than | |
327 | * anything we ever want to print. | |
328 | */ | |
329 | i = vsprintf(printbuffer, fmt, args); | |
330 | va_end(args); | |
331 | ||
332 | if ((screen + sizeof(screen) - 1 - cursor) < strlen(printbuffer)+1) { | |
333 | memset(screen, 0, sizeof(screen)); | |
334 | cursor = screen; | |
335 | } | |
336 | sprintf(cursor, printbuffer); | |
337 | cursor += strlen(printbuffer); | |
338 | ||
339 | } | |
340 | #else | |
341 | inline void dbg(const char *fmt, ...) | |
342 | { | |
343 | } | |
344 | #endif | |
345 | ||
346 | /** U-Boot INIT FUNCTIONS *************************************************/ | |
347 | ||
c1de7a6d JCPV |
348 | device_t *search_device (int flags, char *name) |
349 | { | |
350 | device_t *dev; | |
351 | ||
352 | dev = device_get_by_name(name); | |
353 | ||
354 | if(dev && (dev->flags & flags)) | |
355 | return dev; | |
356 | ||
357 | return NULL; | |
358 | } | |
359 | ||
47d1a6e1 WD |
360 | int console_assign (int file, char *devname) |
361 | { | |
c1de7a6d JCPV |
362 | int flag; |
363 | device_t *dev; | |
47d1a6e1 WD |
364 | |
365 | /* Check for valid file */ | |
366 | switch (file) { | |
367 | case stdin: | |
368 | flag = DEV_FLAGS_INPUT; | |
369 | break; | |
370 | case stdout: | |
371 | case stderr: | |
372 | flag = DEV_FLAGS_OUTPUT; | |
373 | break; | |
374 | default: | |
375 | return -1; | |
376 | } | |
377 | ||
378 | /* Check for valid device name */ | |
379 | ||
c1de7a6d | 380 | dev = search_device(flag, devname); |
47d1a6e1 | 381 | |
c1de7a6d JCPV |
382 | if(dev) |
383 | return console_setfile (file, dev); | |
47d1a6e1 WD |
384 | |
385 | return -1; | |
386 | } | |
387 | ||
388 | /* Called before relocation - use serial functions */ | |
389 | int console_init_f (void) | |
390 | { | |
47d1a6e1 | 391 | gd->have_console = 1; |
f72da340 WD |
392 | |
393 | #ifdef CONFIG_SILENT_CONSOLE | |
394 | if (getenv("silent") != NULL) | |
395 | gd->flags |= GD_FLG_SILENT; | |
396 | #endif | |
397 | ||
47d1a6e1 WD |
398 | return (0); |
399 | } | |
400 | ||
47d1a6e1 WD |
401 | #ifdef CFG_CONSOLE_IS_IN_ENV |
402 | /* Called after the relocation - use desired console functions */ | |
403 | int console_init_r (void) | |
404 | { | |
405 | char *stdinname, *stdoutname, *stderrname; | |
406 | device_t *inputdev = NULL, *outputdev = NULL, *errdev = NULL; | |
6e592385 WD |
407 | #ifdef CFG_CONSOLE_ENV_OVERWRITE |
408 | int i; | |
409 | #endif /* CFG_CONSOLE_ENV_OVERWRITE */ | |
47d1a6e1 WD |
410 | |
411 | /* set default handlers at first */ | |
27b207fd WD |
412 | gd->jt[XF_getc] = serial_getc; |
413 | gd->jt[XF_tstc] = serial_tstc; | |
414 | gd->jt[XF_putc] = serial_putc; | |
415 | gd->jt[XF_puts] = serial_puts; | |
416 | gd->jt[XF_printf] = serial_printf; | |
47d1a6e1 WD |
417 | |
418 | /* stdin stdout and stderr are in environment */ | |
419 | /* scan for it */ | |
420 | stdinname = getenv ("stdin"); | |
421 | stdoutname = getenv ("stdout"); | |
422 | stderrname = getenv ("stderr"); | |
423 | ||
53677ef1 | 424 | if (OVERWRITE_CONSOLE == 0) { /* if not overwritten by config switch */ |
47d1a6e1 WD |
425 | inputdev = search_device (DEV_FLAGS_INPUT, stdinname); |
426 | outputdev = search_device (DEV_FLAGS_OUTPUT, stdoutname); | |
427 | errdev = search_device (DEV_FLAGS_OUTPUT, stderrname); | |
428 | } | |
429 | /* if the devices are overwritten or not found, use default device */ | |
430 | if (inputdev == NULL) { | |
431 | inputdev = search_device (DEV_FLAGS_INPUT, "serial"); | |
432 | } | |
433 | if (outputdev == NULL) { | |
434 | outputdev = search_device (DEV_FLAGS_OUTPUT, "serial"); | |
435 | } | |
436 | if (errdev == NULL) { | |
437 | errdev = search_device (DEV_FLAGS_OUTPUT, "serial"); | |
438 | } | |
439 | /* Initializes output console first */ | |
440 | if (outputdev != NULL) { | |
441 | console_setfile (stdout, outputdev); | |
442 | } | |
443 | if (errdev != NULL) { | |
444 | console_setfile (stderr, errdev); | |
445 | } | |
446 | if (inputdev != NULL) { | |
447 | console_setfile (stdin, inputdev); | |
448 | } | |
449 | ||
5f535fe1 WD |
450 | gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */ |
451 | ||
47d1a6e1 WD |
452 | #ifndef CFG_CONSOLE_INFO_QUIET |
453 | /* Print information */ | |
4b9206ed | 454 | puts ("In: "); |
47d1a6e1 | 455 | if (stdio_devices[stdin] == NULL) { |
4b9206ed | 456 | puts ("No input devices available!\n"); |
47d1a6e1 WD |
457 | } else { |
458 | printf ("%s\n", stdio_devices[stdin]->name); | |
459 | } | |
460 | ||
4b9206ed | 461 | puts ("Out: "); |
47d1a6e1 | 462 | if (stdio_devices[stdout] == NULL) { |
4b9206ed | 463 | puts ("No output devices available!\n"); |
47d1a6e1 WD |
464 | } else { |
465 | printf ("%s\n", stdio_devices[stdout]->name); | |
466 | } | |
467 | ||
4b9206ed | 468 | puts ("Err: "); |
47d1a6e1 | 469 | if (stdio_devices[stderr] == NULL) { |
4b9206ed | 470 | puts ("No error devices available!\n"); |
47d1a6e1 WD |
471 | } else { |
472 | printf ("%s\n", stdio_devices[stderr]->name); | |
473 | } | |
474 | #endif /* CFG_CONSOLE_INFO_QUIET */ | |
475 | ||
476 | #ifdef CFG_CONSOLE_ENV_OVERWRITE | |
477 | /* set the environment variables (will overwrite previous env settings) */ | |
478 | for (i = 0; i < 3; i++) { | |
479 | setenv (stdio_names[i], stdio_devices[i]->name); | |
480 | } | |
6e592385 | 481 | #endif /* CFG_CONSOLE_ENV_OVERWRITE */ |
47d1a6e1 WD |
482 | |
483 | #if 0 | |
484 | /* If nothing usable installed, use only the initial console */ | |
485 | if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL)) | |
486 | return (0); | |
487 | #endif | |
488 | return (0); | |
489 | } | |
490 | ||
491 | #else /* CFG_CONSOLE_IS_IN_ENV */ | |
492 | ||
493 | /* Called after the relocation - use desired console functions */ | |
494 | int console_init_r (void) | |
495 | { | |
496 | device_t *inputdev = NULL, *outputdev = NULL; | |
c1de7a6d JCPV |
497 | int i; |
498 | struct list_head *list = device_get_list(); | |
499 | struct list_head *pos; | |
500 | device_t *dev; | |
47d1a6e1 | 501 | |
d791b1dc | 502 | #ifdef CONFIG_SPLASH_SCREEN |
87970ebe | 503 | /* suppress all output if splash screen is enabled and we have |
42d1f039 | 504 | a bmp to display */ |
87970ebe | 505 | if (getenv("splashimage") != NULL) |
4ec5bd55 | 506 | gd->flags |= GD_FLG_SILENT; |
f72da340 WD |
507 | #endif |
508 | ||
47d1a6e1 | 509 | /* Scan devices looking for input and output devices */ |
c1de7a6d JCPV |
510 | list_for_each(pos, list) { |
511 | dev = list_entry(pos, device_t, list); | |
47d1a6e1 WD |
512 | |
513 | if ((dev->flags & DEV_FLAGS_INPUT) && (inputdev == NULL)) { | |
514 | inputdev = dev; | |
515 | } | |
516 | if ((dev->flags & DEV_FLAGS_OUTPUT) && (outputdev == NULL)) { | |
517 | outputdev = dev; | |
518 | } | |
c1de7a6d JCPV |
519 | if(inputdev && outputdev) |
520 | break; | |
47d1a6e1 WD |
521 | } |
522 | ||
523 | /* Initializes output console first */ | |
524 | if (outputdev != NULL) { | |
525 | console_setfile (stdout, outputdev); | |
526 | console_setfile (stderr, outputdev); | |
527 | } | |
528 | ||
529 | /* Initializes input console */ | |
530 | if (inputdev != NULL) { | |
531 | console_setfile (stdin, inputdev); | |
532 | } | |
533 | ||
5f535fe1 WD |
534 | gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */ |
535 | ||
47d1a6e1 | 536 | #ifndef CFG_CONSOLE_INFO_QUIET |
47cd00fa | 537 | /* Print information */ |
4b9206ed | 538 | puts ("In: "); |
47d1a6e1 | 539 | if (stdio_devices[stdin] == NULL) { |
4b9206ed | 540 | puts ("No input devices available!\n"); |
47d1a6e1 WD |
541 | } else { |
542 | printf ("%s\n", stdio_devices[stdin]->name); | |
543 | } | |
544 | ||
4b9206ed | 545 | puts ("Out: "); |
47d1a6e1 | 546 | if (stdio_devices[stdout] == NULL) { |
4b9206ed | 547 | puts ("No output devices available!\n"); |
47d1a6e1 WD |
548 | } else { |
549 | printf ("%s\n", stdio_devices[stdout]->name); | |
550 | } | |
551 | ||
4b9206ed | 552 | puts ("Err: "); |
47d1a6e1 | 553 | if (stdio_devices[stderr] == NULL) { |
4b9206ed | 554 | puts ("No error devices available!\n"); |
47d1a6e1 WD |
555 | } else { |
556 | printf ("%s\n", stdio_devices[stderr]->name); | |
557 | } | |
558 | #endif /* CFG_CONSOLE_INFO_QUIET */ | |
559 | ||
560 | /* Setting environment variables */ | |
561 | for (i = 0; i < 3; i++) { | |
562 | setenv (stdio_names[i], stdio_devices[i]->name); | |
563 | } | |
564 | ||
565 | #if 0 | |
566 | /* If nothing usable installed, use only the initial console */ | |
567 | if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL)) | |
568 | return (0); | |
569 | #endif | |
570 | ||
571 | return (0); | |
572 | } | |
573 | ||
574 | #endif /* CFG_CONSOLE_IS_IN_ENV */ |