3 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
30 DECLARE_GLOBAL_DATA_PTR;
32 #ifdef CONFIG_AMIGAONEG3SE
33 int console_changed = 0;
36 #ifdef CONFIG_SYS_CONSOLE_IS_IN_ENV
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
42 #ifdef CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
43 extern int overwrite_console(void);
44 #define OVERWRITE_CONSOLE overwrite_console()
46 #define OVERWRITE_CONSOLE 0
47 #endif /* CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE */
49 #endif /* CONFIG_SYS_CONSOLE_IS_IN_ENV */
51 static int console_setfile(int file, device_t * dev)
62 /* Start new device */
65 /* If it's not started dont use it */
70 /* Assign the new device (leaving the existing one started) */
71 stdio_devices[file] = dev;
74 * Update monitor functions
75 * (to use the console stuff by other applications)
79 gd->jt[XF_getc] = dev->getc;
80 gd->jt[XF_tstc] = dev->tstc;
83 gd->jt[XF_putc] = dev->putc;
84 gd->jt[XF_puts] = dev->puts;
85 gd->jt[XF_printf] = printf;
90 default: /* Invalid file ID */
96 #if defined(CONFIG_CONSOLE_MUX)
97 /** Console I/O multiplexing *******************************************/
99 static device_t *tstcdev;
100 device_t **console_devices[MAX_FILES];
101 int cd_count[MAX_FILES];
104 * This depends on tstc() always being called before getc().
105 * This is guaranteed to be true because this routine is called
106 * only from fgetc() which assures it.
107 * No attempt is made to demultiplex multiple input sources.
109 static int iomux_getc(void)
113 /* This is never called with testcdev == NULL */
114 ret = tstcdev->getc();
119 static int iomux_tstc(int file)
125 for (i = 0; i < cd_count[file]; i++) {
126 dev = console_devices[file][i];
127 if (dev->tstc != NULL) {
141 static void iomux_putc(int file, const char c)
146 for (i = 0; i < cd_count[file]; i++) {
147 dev = console_devices[file][i];
148 if (dev->putc != NULL)
153 static void iomux_puts(int file, const char *s)
158 for (i = 0; i < cd_count[file]; i++) {
159 dev = console_devices[file][i];
160 if (dev->puts != NULL)
164 #endif /* defined(CONFIG_CONSOLE_MUX) */
166 /** U-Boot INITIAL CONSOLE-NOT COMPATIBLE FUNCTIONS *************************/
168 void serial_printf(const char *fmt, ...)
172 char printbuffer[CONFIG_SYS_PBSIZE];
176 /* For this to work, printbuffer must be larger than
177 * anything we ever want to print.
179 i = vsprintf(printbuffer, fmt, args);
182 serial_puts(printbuffer);
187 if (file < MAX_FILES) {
188 #if defined(CONFIG_CONSOLE_MUX)
190 * Effectively poll for input wherever it may be available.
194 * Upper layer may have already called tstc() so
195 * check for that first.
200 #ifdef CONFIG_WATCHDOG
202 * If the watchdog must be rate-limited then it should
203 * already be handled in board-specific code.
209 return stdio_devices[file]->getc();
218 if (file < MAX_FILES)
219 #if defined(CONFIG_CONSOLE_MUX)
220 return iomux_tstc(file);
222 return stdio_devices[file]->tstc();
228 void fputc(int file, const char c)
230 if (file < MAX_FILES)
231 #if defined(CONFIG_CONSOLE_MUX)
234 stdio_devices[file]->putc(c);
238 void fputs(int file, const char *s)
240 if (file < MAX_FILES)
241 #if defined(CONFIG_CONSOLE_MUX)
244 stdio_devices[file]->puts(s);
248 void fprintf(int file, const char *fmt, ...)
252 char printbuffer[CONFIG_SYS_PBSIZE];
256 /* For this to work, printbuffer must be larger than
257 * anything we ever want to print.
259 i = vsprintf(printbuffer, fmt, args);
262 /* Send to desired file */
263 fputs(file, printbuffer);
266 /** U-Boot INITIAL CONSOLE-COMPATIBLE FUNCTION *****************************/
270 #ifdef CONFIG_DISABLE_CONSOLE
271 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
275 if (gd->flags & GD_FLG_DEVINIT) {
276 /* Get from the standard input */
280 /* Send directly to the handler */
281 return serial_getc();
286 #ifdef CONFIG_DISABLE_CONSOLE
287 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
291 if (gd->flags & GD_FLG_DEVINIT) {
292 /* Test the standard input */
296 /* Send directly to the handler */
297 return serial_tstc();
300 void putc(const char c)
302 #ifdef CONFIG_SILENT_CONSOLE
303 if (gd->flags & GD_FLG_SILENT)
307 #ifdef CONFIG_DISABLE_CONSOLE
308 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
312 if (gd->flags & GD_FLG_DEVINIT) {
313 /* Send to the standard output */
316 /* Send directly to the handler */
321 void puts(const char *s)
323 #ifdef CONFIG_SILENT_CONSOLE
324 if (gd->flags & GD_FLG_SILENT)
328 #ifdef CONFIG_DISABLE_CONSOLE
329 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
333 if (gd->flags & GD_FLG_DEVINIT) {
334 /* Send to the standard output */
337 /* Send directly to the handler */
342 void printf(const char *fmt, ...)
346 char printbuffer[CONFIG_SYS_PBSIZE];
350 /* For this to work, printbuffer must be larger than
351 * anything we ever want to print.
353 i = vsprintf(printbuffer, fmt, args);
356 /* Print the string */
360 void vprintf(const char *fmt, va_list args)
363 char printbuffer[CONFIG_SYS_PBSIZE];
365 /* For this to work, printbuffer must be larger than
366 * anything we ever want to print.
368 i = vsprintf(printbuffer, fmt, args);
370 /* Print the string */
374 /* test if ctrl-c was pressed */
375 static int ctrlc_disabled = 0; /* see disable_ctrl() */
376 static int ctrlc_was_pressed = 0;
379 if (!ctrlc_disabled && gd->have_console) {
382 case 0x03: /* ^C - Control C */
383 ctrlc_was_pressed = 1;
393 /* pass 1 to disable ctrlc() checking, 0 to enable.
394 * returns previous state
396 int disable_ctrlc(int disable)
398 int prev = ctrlc_disabled; /* save previous state */
400 ctrlc_disabled = disable;
406 return ctrlc_was_pressed;
409 void clear_ctrlc(void)
411 ctrlc_was_pressed = 0;
414 #ifdef CONFIG_MODEM_SUPPORT_DEBUG
416 char *cursor = screen;
418 inline void dbg(const char *fmt, ...)
422 char printbuffer[CONFIG_SYS_PBSIZE];
425 memset(screen, 0, sizeof(screen));
431 /* For this to work, printbuffer must be larger than
432 * anything we ever want to print.
434 i = vsprintf(printbuffer, fmt, args);
437 if ((screen + sizeof(screen) - 1 - cursor)
438 < strlen(printbuffer) + 1) {
439 memset(screen, 0, sizeof(screen));
442 sprintf(cursor, printbuffer);
443 cursor += strlen(printbuffer);
447 inline void dbg(const char *fmt, ...)
452 /** U-Boot INIT FUNCTIONS *************************************************/
454 device_t *search_device(int flags, char *name)
458 dev = device_get_by_name(name);
460 if (dev && (dev->flags & flags))
466 int console_assign(int file, char *devname)
471 /* Check for valid file */
474 flag = DEV_FLAGS_INPUT;
478 flag = DEV_FLAGS_OUTPUT;
484 /* Check for valid device name */
486 dev = search_device(flag, devname);
489 return console_setfile(file, dev);
494 /* Called before relocation - use serial functions */
495 int console_init_f(void)
497 gd->have_console = 1;
499 #ifdef CONFIG_SILENT_CONSOLE
500 if (getenv("silent") != NULL)
501 gd->flags |= GD_FLG_SILENT;
507 #ifdef CONFIG_SYS_CONSOLE_IS_IN_ENV
508 /* Called after the relocation - use desired console functions */
509 int console_init_r(void)
511 char *stdinname, *stdoutname, *stderrname;
512 device_t *inputdev = NULL, *outputdev = NULL, *errdev = NULL;
513 #ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
515 #endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
516 #ifdef CONFIG_CONSOLE_MUX
520 /* set default handlers at first */
521 gd->jt[XF_getc] = serial_getc;
522 gd->jt[XF_tstc] = serial_tstc;
523 gd->jt[XF_putc] = serial_putc;
524 gd->jt[XF_puts] = serial_puts;
525 gd->jt[XF_printf] = serial_printf;
527 /* stdin stdout and stderr are in environment */
529 stdinname = getenv("stdin");
530 stdoutname = getenv("stdout");
531 stderrname = getenv("stderr");
533 if (OVERWRITE_CONSOLE == 0) { /* if not overwritten by config switch */
534 inputdev = search_device(DEV_FLAGS_INPUT, stdinname);
535 outputdev = search_device(DEV_FLAGS_OUTPUT, stdoutname);
536 errdev = search_device(DEV_FLAGS_OUTPUT, stderrname);
537 #ifdef CONFIG_CONSOLE_MUX
538 iomux_err = iomux_doenv(stdin, stdinname);
539 iomux_err += iomux_doenv(stdout, stdoutname);
540 iomux_err += iomux_doenv(stderr, stderrname);
542 /* Successful, so skip all the code below. */
546 /* if the devices are overwritten or not found, use default device */
547 if (inputdev == NULL) {
548 inputdev = search_device(DEV_FLAGS_INPUT, "serial");
550 if (outputdev == NULL) {
551 outputdev = search_device(DEV_FLAGS_OUTPUT, "serial");
553 if (errdev == NULL) {
554 errdev = search_device(DEV_FLAGS_OUTPUT, "serial");
556 /* Initializes output console first */
557 if (outputdev != NULL) {
558 #ifdef CONFIG_CONSOLE_MUX
559 /* need to set a console if not done above. */
560 iomux_doenv(stdout, outputdev->name);
562 console_setfile(stdout, outputdev);
565 if (errdev != NULL) {
566 #ifdef CONFIG_CONSOLE_MUX
567 /* need to set a console if not done above. */
568 iomux_doenv(stderr, errdev->name);
570 console_setfile(stderr, errdev);
573 if (inputdev != NULL) {
574 #ifdef CONFIG_CONSOLE_MUX
575 /* need to set a console if not done above. */
576 iomux_doenv(stdin, inputdev->name);
578 console_setfile(stdin, inputdev);
582 #ifdef CONFIG_CONSOLE_MUX
586 gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
588 #ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
589 /* Print information */
591 if (stdio_devices[stdin] == NULL) {
592 puts("No input devices available!\n");
594 #ifdef CONFIG_CONSOLE_MUX
595 iomux_printdevs(stdin);
597 printf("%s\n", stdio_devices[stdin]->name);
602 if (stdio_devices[stdout] == NULL) {
603 puts("No output devices available!\n");
605 #ifdef CONFIG_CONSOLE_MUX
606 iomux_printdevs(stdout);
608 printf("%s\n", stdio_devices[stdout]->name);
613 if (stdio_devices[stderr] == NULL) {
614 puts("No error devices available!\n");
616 #ifdef CONFIG_CONSOLE_MUX
617 iomux_printdevs(stderr);
619 printf("%s\n", stdio_devices[stderr]->name);
622 #endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
624 #ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
625 /* set the environment variables (will overwrite previous env settings) */
626 for (i = 0; i < 3; i++) {
627 setenv(stdio_names[i], stdio_devices[i]->name);
629 #endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
632 /* If nothing usable installed, use only the initial console */
633 if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
639 #else /* CONFIG_SYS_CONSOLE_IS_IN_ENV */
641 /* Called after the relocation - use desired console functions */
642 int console_init_r(void)
644 device_t *inputdev = NULL, *outputdev = NULL;
646 struct list_head *list = device_get_list();
647 struct list_head *pos;
650 #ifdef CONFIG_SPLASH_SCREEN
652 * suppress all output if splash screen is enabled and we have
655 if (getenv("splashimage") != NULL)
656 gd->flags |= GD_FLG_SILENT;
659 /* Scan devices looking for input and output devices */
660 list_for_each(pos, list) {
661 dev = list_entry(pos, device_t, list);
663 if ((dev->flags & DEV_FLAGS_INPUT) && (inputdev == NULL)) {
666 if ((dev->flags & DEV_FLAGS_OUTPUT) && (outputdev == NULL)) {
669 if(inputdev && outputdev)
673 /* Initializes output console first */
674 if (outputdev != NULL) {
675 console_setfile(stdout, outputdev);
676 console_setfile(stderr, outputdev);
677 #ifdef CONFIG_CONSOLE_MUX
678 console_devices[stdout][0] = outputdev;
679 console_devices[stderr][0] = outputdev;
683 /* Initializes input console */
684 if (inputdev != NULL) {
685 console_setfile(stdin, inputdev);
686 #ifdef CONFIG_CONSOLE_MUX
687 console_devices[stdin][0] = inputdev;
691 gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
693 #ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
694 /* Print information */
696 if (stdio_devices[stdin] == NULL) {
697 puts("No input devices available!\n");
699 printf("%s\n", stdio_devices[stdin]->name);
703 if (stdio_devices[stdout] == NULL) {
704 puts("No output devices available!\n");
706 printf("%s\n", stdio_devices[stdout]->name);
710 if (stdio_devices[stderr] == NULL) {
711 puts("No error devices available!\n");
713 printf("%s\n", stdio_devices[stderr]->name);
715 #endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
717 /* Setting environment variables */
718 for (i = 0; i < 3; i++) {
719 setenv(stdio_names[i], stdio_devices[i]->name);
723 /* If nothing usable installed, use only the initial console */
724 if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
731 #endif /* CONFIG_SYS_CONSOLE_IS_IN_ENV */