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6
7#include <common.h>
8#include <console.h>
9#include <debug_uart.h>
10#include <dm.h>
11#include <env.h>
12#include <stdarg.h>
13#include <iomux.h>
14#include <malloc.h>
15#include <mapmem.h>
16#include <os.h>
17#include <serial.h>
18#include <stdio_dev.h>
19#include <exports.h>
20#include <env_internal.h>
21#include <watchdog.h>
22#include <asm/global_data.h>
23#include <linux/delay.h>
24
25DECLARE_GLOBAL_DATA_PTR;
26
27static int on_console(const char *name, const char *value, enum env_op op,
28 int flags)
29{
30 int console = -1;
31
32
33 if (strcmp(name, "stdin") == 0)
34 console = stdin;
35 else if (strcmp(name, "stdout") == 0)
36 console = stdout;
37 else if (strcmp(name, "stderr") == 0)
38 console = stderr;
39
40
41 if (console == -1 || (gd->flags & GD_FLG_DEVINIT) == 0)
42 return 0;
43
44 switch (op) {
45 case env_op_create:
46 case env_op_overwrite:
47
48 if (CONFIG_IS_ENABLED(CONSOLE_MUX)) {
49 if (iomux_doenv(console, value))
50 return 1;
51 } else {
52
53 if (console_assign(console, value) < 0)
54 return 1;
55 }
56
57 return 0;
58
59 case env_op_delete:
60 if ((flags & H_FORCE) == 0)
61 printf("Can't delete \"%s\"\n", name);
62 return 1;
63
64 default:
65 return 0;
66 }
67}
68U_BOOT_ENV_CALLBACK(console, on_console);
69
70#ifdef CONFIG_SILENT_CONSOLE
71static int on_silent(const char *name, const char *value, enum env_op op,
72 int flags)
73{
74 if (!CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_SET))
75 if (flags & H_INTERACTIVE)
76 return 0;
77
78 if (!CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_RELOC))
79 if ((flags & H_INTERACTIVE) == 0)
80 return 0;
81
82 if (value != NULL)
83 gd->flags |= GD_FLG_SILENT;
84 else
85 gd->flags &= ~GD_FLG_SILENT;
86
87 return 0;
88}
89U_BOOT_ENV_CALLBACK(silent, on_silent);
90#endif
91
92#ifdef CONFIG_CONSOLE_RECORD
93
94static void console_record_putc(const char c)
95{
96 if (!(gd->flags & GD_FLG_RECORD))
97 return;
98 if (gd->console_out.start &&
99 !membuff_putbyte((struct membuff *)&gd->console_out, c))
100 gd->flags |= GD_FLG_RECORD_OVF;
101}
102
103static void console_record_puts(const char *s)
104{
105 if (!(gd->flags & GD_FLG_RECORD))
106 return;
107 if (gd->console_out.start) {
108 int len = strlen(s);
109
110 if (membuff_put((struct membuff *)&gd->console_out, s, len) !=
111 len)
112 gd->flags |= GD_FLG_RECORD_OVF;
113 }
114}
115
116static int console_record_getc(void)
117{
118 if (!(gd->flags & GD_FLG_RECORD))
119 return -1;
120 if (!gd->console_in.start)
121 return -1;
122
123 return membuff_getbyte((struct membuff *)&gd->console_in);
124}
125
126static int console_record_tstc(void)
127{
128 if (!(gd->flags & GD_FLG_RECORD))
129 return 0;
130 if (gd->console_in.start) {
131 if (membuff_peekbyte((struct membuff *)&gd->console_in) != -1)
132 return 1;
133 }
134 return 0;
135}
136#else
137static void console_record_putc(char c)
138{
139}
140
141static void console_record_puts(const char *s)
142{
143}
144
145static int console_record_getc(void)
146{
147 return -1;
148}
149
150static int console_record_tstc(void)
151{
152 return 0;
153}
154#endif
155
156#if CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV)
157
158
159
160
161
162#ifdef CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
163extern int overwrite_console(void);
164#define OVERWRITE_CONSOLE overwrite_console()
165#else
166#define OVERWRITE_CONSOLE 0
167#endif
168
169#endif
170
171static int console_setfile(int file, struct stdio_dev * dev)
172{
173 int error = 0;
174
175 if (dev == NULL)
176 return -1;
177
178 switch (file) {
179 case stdin:
180 case stdout:
181 case stderr:
182 error = console_start(file, dev);
183 if (error)
184 break;
185
186
187 stdio_devices[file] = dev;
188
189
190
191
192
193 switch (file) {
194 case stdin:
195 gd->jt->getc = getchar;
196 gd->jt->tstc = tstc;
197 break;
198 case stdout:
199 gd->jt->putc = putc;
200 gd->jt->puts = puts;
201 gd->jt->printf = printf;
202 break;
203 }
204 break;
205
206 default:
207 error = -1;
208 }
209 return error;
210}
211
212
213
214
215
216
217
218
219static bool console_dev_is_serial(struct stdio_dev *sdev)
220{
221 bool is_serial;
222
223 if (IS_ENABLED(CONFIG_DM_SERIAL) && (sdev->flags & DEV_FLAGS_DM)) {
224 struct udevice *dev = sdev->priv;
225
226 is_serial = device_get_uclass_id(dev) == UCLASS_SERIAL;
227 } else {
228 is_serial = !strcmp(sdev->name, "serial");
229 }
230
231 return is_serial;
232}
233
234#if CONFIG_IS_ENABLED(CONSOLE_MUX)
235
236
237
238static struct stdio_dev *tstcdev;
239struct stdio_dev **console_devices[MAX_FILES];
240int cd_count[MAX_FILES];
241
242static void console_devices_set(int file, struct stdio_dev *dev)
243{
244 console_devices[file][0] = dev;
245 cd_count[file] = 1;
246}
247
248
249
250
251
252
253
254
255
256
257
258
259static bool console_needs_start_stop(int file, struct stdio_dev *sdev)
260{
261 int i;
262
263 for (i = 0; i < ARRAY_SIZE(cd_count); i++) {
264 if (i == file)
265 continue;
266
267 if (iomux_match_device(console_devices[i], cd_count[i], sdev) >= 0)
268 return false;
269 }
270 return true;
271}
272
273
274
275
276
277
278
279static int console_getc(int file)
280{
281 unsigned char ret;
282
283
284 ret = tstcdev->getc(tstcdev);
285 tstcdev = NULL;
286 return ret;
287}
288
289
290static bool console_has_tstc(void)
291{
292 return !!tstcdev;
293}
294
295static int console_tstc(int file)
296{
297 int i, ret;
298 struct stdio_dev *dev;
299 int prev;
300
301 prev = disable_ctrlc(1);
302 for_each_console_dev(i, file, dev) {
303 if (dev->tstc != NULL) {
304 ret = dev->tstc(dev);
305 if (ret > 0) {
306 tstcdev = dev;
307 disable_ctrlc(prev);
308 return ret;
309 }
310 }
311 }
312 disable_ctrlc(prev);
313
314 return 0;
315}
316
317static void console_putc(int file, const char c)
318{
319 int i;
320 struct stdio_dev *dev;
321
322 for_each_console_dev(i, file, dev) {
323 if (dev->putc != NULL)
324 dev->putc(dev, c);
325 }
326}
327
328
329
330
331
332
333
334
335
336static void console_puts_select(int file, bool serial_only, const char *s)
337{
338 int i;
339 struct stdio_dev *dev;
340
341 for_each_console_dev(i, file, dev) {
342 bool is_serial = console_dev_is_serial(dev);
343
344 if (dev->puts && serial_only == is_serial)
345 dev->puts(dev, s);
346 }
347}
348
349void console_puts_select_stderr(bool serial_only, const char *s)
350{
351 console_puts_select(stderr, serial_only, s);
352}
353
354static void console_puts(int file, const char *s)
355{
356 int i;
357 struct stdio_dev *dev;
358
359 for_each_console_dev(i, file, dev) {
360 if (dev->puts != NULL)
361 dev->puts(dev, s);
362 }
363}
364
365#if CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV)
366static inline void console_doenv(int file, struct stdio_dev *dev)
367{
368 iomux_doenv(file, dev->name);
369}
370#endif
371#else
372
373static void console_devices_set(int file, struct stdio_dev *dev)
374{
375}
376
377static inline bool console_needs_start_stop(int file, struct stdio_dev *sdev)
378{
379 return true;
380}
381
382static inline int console_getc(int file)
383{
384 return stdio_devices[file]->getc(stdio_devices[file]);
385}
386
387static bool console_has_tstc(void)
388{
389 return false;
390}
391
392static inline int console_tstc(int file)
393{
394 return stdio_devices[file]->tstc(stdio_devices[file]);
395}
396
397static inline void console_putc(int file, const char c)
398{
399 stdio_devices[file]->putc(stdio_devices[file], c);
400}
401
402void console_puts_select(int file, bool serial_only, const char *s)
403{
404 if (serial_only == console_dev_is_serial(stdio_devices[file]))
405 stdio_devices[file]->puts(stdio_devices[file], s);
406}
407
408static inline void console_puts(int file, const char *s)
409{
410 stdio_devices[file]->puts(stdio_devices[file], s);
411}
412
413#if CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV)
414static inline void console_doenv(int file, struct stdio_dev *dev)
415{
416 console_setfile(file, dev);
417}
418#endif
419#endif
420
421static void __maybe_unused console_setfile_and_devices(int file, struct stdio_dev *dev)
422{
423 console_setfile(file, dev);
424 console_devices_set(file, dev);
425}
426
427int console_start(int file, struct stdio_dev *sdev)
428{
429 int error;
430
431 if (!console_needs_start_stop(file, sdev))
432 return 0;
433
434
435 if (sdev->start) {
436 error = sdev->start(sdev);
437
438 if (error < 0)
439 return error;
440 }
441 return 0;
442}
443
444void console_stop(int file, struct stdio_dev *sdev)
445{
446 if (!console_needs_start_stop(file, sdev))
447 return;
448
449 if (sdev->stop)
450 sdev->stop(sdev);
451}
452
453
454
455int serial_printf(const char *fmt, ...)
456{
457 va_list args;
458 uint i;
459 char printbuffer[CONFIG_SYS_PBSIZE];
460
461 va_start(args, fmt);
462
463
464
465
466 i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
467 va_end(args);
468
469 serial_puts(printbuffer);
470 return i;
471}
472
473int fgetc(int file)
474{
475 if (file < MAX_FILES) {
476
477
478
479 for (;;) {
480 WATCHDOG_RESET();
481 if (CONFIG_IS_ENABLED(CONSOLE_MUX)) {
482
483
484
485
486 if (console_has_tstc())
487 return console_getc(file);
488 console_tstc(file);
489 } else {
490 if (console_tstc(file))
491 return console_getc(file);
492 }
493
494
495
496
497
498 if (IS_ENABLED(CONFIG_WATCHDOG))
499 udelay(1);
500 }
501 }
502
503 return -1;
504}
505
506int ftstc(int file)
507{
508 if (file < MAX_FILES)
509 return console_tstc(file);
510
511 return -1;
512}
513
514void fputc(int file, const char c)
515{
516 if (file < MAX_FILES)
517 console_putc(file, c);
518}
519
520void fputs(int file, const char *s)
521{
522 if (file < MAX_FILES)
523 console_puts(file, s);
524}
525
526int fprintf(int file, const char *fmt, ...)
527{
528 va_list args;
529 uint i;
530 char printbuffer[CONFIG_SYS_PBSIZE];
531
532 va_start(args, fmt);
533
534
535
536
537 i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
538 va_end(args);
539
540
541 fputs(file, printbuffer);
542 return i;
543}
544
545
546
547int getchar(void)
548{
549 int ch;
550
551 if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
552 return 0;
553
554 if (!gd->have_console)
555 return 0;
556
557 ch = console_record_getc();
558 if (ch != -1)
559 return ch;
560
561 if (gd->flags & GD_FLG_DEVINIT) {
562
563 return fgetc(stdin);
564 }
565
566
567 return serial_getc();
568}
569
570int tstc(void)
571{
572 if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
573 return 0;
574
575 if (!gd->have_console)
576 return 0;
577
578 if (console_record_tstc())
579 return 1;
580
581 if (gd->flags & GD_FLG_DEVINIT) {
582
583 return ftstc(stdin);
584 }
585
586
587 return serial_tstc();
588}
589
590#define PRE_CONSOLE_FLUSHPOINT1_SERIAL 0
591#define PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL 1
592
593#if CONFIG_IS_ENABLED(PRE_CONSOLE_BUFFER)
594#define CIRC_BUF_IDX(idx) ((idx) % (unsigned long)CONFIG_PRE_CON_BUF_SZ)
595
596static void pre_console_putc(const char c)
597{
598 char *buffer;
599
600 buffer = map_sysmem(CONFIG_PRE_CON_BUF_ADDR, CONFIG_PRE_CON_BUF_SZ);
601
602 buffer[CIRC_BUF_IDX(gd->precon_buf_idx++)] = c;
603
604 unmap_sysmem(buffer);
605}
606
607static void pre_console_puts(const char *s)
608{
609 while (*s)
610 pre_console_putc(*s++);
611}
612
613static void print_pre_console_buffer(int flushpoint)
614{
615 unsigned long in = 0, out = 0;
616 char buf_out[CONFIG_PRE_CON_BUF_SZ + 1];
617 char *buf_in;
618
619 if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT))
620 return;
621
622 buf_in = map_sysmem(CONFIG_PRE_CON_BUF_ADDR, CONFIG_PRE_CON_BUF_SZ);
623 if (gd->precon_buf_idx > CONFIG_PRE_CON_BUF_SZ)
624 in = gd->precon_buf_idx - CONFIG_PRE_CON_BUF_SZ;
625
626 while (in < gd->precon_buf_idx)
627 buf_out[out++] = buf_in[CIRC_BUF_IDX(in++)];
628 unmap_sysmem(buf_in);
629
630 buf_out[out] = 0;
631
632 switch (flushpoint) {
633 case PRE_CONSOLE_FLUSHPOINT1_SERIAL:
634 puts(buf_out);
635 break;
636 case PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL:
637 console_puts_select(stdout, false, buf_out);
638 break;
639 }
640}
641#else
642static inline void pre_console_putc(const char c) {}
643static inline void pre_console_puts(const char *s) {}
644static inline void print_pre_console_buffer(int flushpoint) {}
645#endif
646
647void putc(const char c)
648{
649 if (!gd)
650 return;
651
652 console_record_putc(c);
653
654
655 if (IS_ENABLED(CONFIG_SANDBOX) && !(gd->flags & GD_FLG_SERIAL_READY)) {
656 os_putc(c);
657 return;
658 }
659
660
661 if (IS_ENABLED(CONFIG_DEBUG_UART) && !(gd->flags & GD_FLG_SERIAL_READY)) {
662 printch(c);
663 return;
664 }
665
666 if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT)) {
667 if (!(gd->flags & GD_FLG_DEVINIT))
668 pre_console_putc(c);
669 return;
670 }
671
672 if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
673 return;
674
675 if (!gd->have_console)
676 return pre_console_putc(c);
677
678 if (gd->flags & GD_FLG_DEVINIT) {
679
680 fputc(stdout, c);
681 } else {
682
683 pre_console_putc(c);
684 serial_putc(c);
685 }
686}
687
688void puts(const char *s)
689{
690 if (!gd)
691 return;
692
693 console_record_puts(s);
694
695
696 if (IS_ENABLED(CONFIG_SANDBOX) && !(gd->flags & GD_FLG_SERIAL_READY)) {
697 os_puts(s);
698 return;
699 }
700
701 if (IS_ENABLED(CONFIG_DEBUG_UART) && !(gd->flags & GD_FLG_SERIAL_READY)) {
702 while (*s) {
703 int ch = *s++;
704
705 printch(ch);
706 }
707 return;
708 }
709
710 if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT)) {
711 if (!(gd->flags & GD_FLG_DEVINIT))
712 pre_console_puts(s);
713 return;
714 }
715
716 if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
717 return;
718
719 if (!gd->have_console)
720 return pre_console_puts(s);
721
722 if (gd->flags & GD_FLG_DEVINIT) {
723
724 fputs(stdout, s);
725 } else {
726
727 pre_console_puts(s);
728 serial_puts(s);
729 }
730}
731
732#ifdef CONFIG_CONSOLE_RECORD
733int console_record_init(void)
734{
735 int ret;
736
737 ret = membuff_new((struct membuff *)&gd->console_out,
738 CONFIG_CONSOLE_RECORD_OUT_SIZE);
739 if (ret)
740 return ret;
741 ret = membuff_new((struct membuff *)&gd->console_in,
742 CONFIG_CONSOLE_RECORD_IN_SIZE);
743
744 return ret;
745}
746
747void console_record_reset(void)
748{
749 membuff_purge((struct membuff *)&gd->console_out);
750 membuff_purge((struct membuff *)&gd->console_in);
751 gd->flags &= ~GD_FLG_RECORD_OVF;
752}
753
754int console_record_reset_enable(void)
755{
756 console_record_reset();
757 gd->flags |= GD_FLG_RECORD;
758
759 return 0;
760}
761
762int console_record_readline(char *str, int maxlen)
763{
764 if (gd->flags & GD_FLG_RECORD_OVF)
765 return -ENOSPC;
766
767 return membuff_readline((struct membuff *)&gd->console_out, str,
768 maxlen, ' ');
769}
770
771int console_record_avail(void)
772{
773 return membuff_avail((struct membuff *)&gd->console_out);
774}
775
776int console_in_puts(const char *str)
777{
778 return membuff_put((struct membuff *)&gd->console_in, str, strlen(str));
779}
780
781#endif
782
783
784static int ctrlc_disabled = 0;
785static int ctrlc_was_pressed = 0;
786int ctrlc(void)
787{
788 if (!ctrlc_disabled && gd->have_console) {
789 if (tstc()) {
790 switch (getchar()) {
791 case 0x03:
792 ctrlc_was_pressed = 1;
793 return 1;
794 default:
795 break;
796 }
797 }
798 }
799
800 return 0;
801}
802
803
804
805int confirm_yesno(void)
806{
807 int i;
808 char str_input[5];
809
810
811 while (tstc())
812 getchar();
813 i = 0;
814 while (i < sizeof(str_input)) {
815 str_input[i] = getchar();
816 putc(str_input[i]);
817 if (str_input[i] == '\r')
818 break;
819 i++;
820 }
821 putc('\n');
822 if (strncmp(str_input, "y\r", 2) == 0 ||
823 strncmp(str_input, "Y\r", 2) == 0 ||
824 strncmp(str_input, "yes\r", 4) == 0 ||
825 strncmp(str_input, "YES\r", 4) == 0)
826 return 1;
827 return 0;
828}
829
830
831
832int disable_ctrlc(int disable)
833{
834 int prev = ctrlc_disabled;
835
836 ctrlc_disabled = disable;
837 return prev;
838}
839
840int had_ctrlc (void)
841{
842 return ctrlc_was_pressed;
843}
844
845void clear_ctrlc(void)
846{
847 ctrlc_was_pressed = 0;
848}
849
850
851
852struct stdio_dev *console_search_dev(int flags, const char *name)
853{
854 struct stdio_dev *dev;
855
856 dev = stdio_get_by_name(name);
857#ifdef CONFIG_VIDCONSOLE_AS_LCD
858 if (!dev && !strcmp(name, CONFIG_VIDCONSOLE_AS_NAME))
859 dev = stdio_get_by_name("vidconsole");
860#endif
861
862 if (dev && (dev->flags & flags))
863 return dev;
864
865 return NULL;
866}
867
868int console_assign(int file, const char *devname)
869{
870 int flag;
871 struct stdio_dev *dev;
872
873
874 flag = stdio_file_to_flags(file);
875 if (flag < 0)
876 return flag;
877
878
879
880 dev = console_search_dev(flag, devname);
881
882 if (dev)
883 return console_setfile(file, dev);
884
885 return -1;
886}
887
888
889static bool console_update_silent(void)
890{
891 unsigned long flags = gd->flags;
892
893 if (!IS_ENABLED(CONFIG_SILENT_CONSOLE))
894 return false;
895
896 if (env_get("silent")) {
897 gd->flags |= GD_FLG_SILENT;
898 return false;
899 }
900
901 gd->flags &= ~GD_FLG_SILENT;
902
903 return !!(flags & GD_FLG_SILENT);
904}
905
906int console_announce_r(void)
907{
908#if !CONFIG_IS_ENABLED(PRE_CONSOLE_BUFFER)
909 char buf[DISPLAY_OPTIONS_BANNER_LENGTH];
910
911 display_options_get_banner(false, buf, sizeof(buf));
912
913 console_puts_select(stdout, false, buf);
914#endif
915
916 return 0;
917}
918
919
920int console_init_f(void)
921{
922 gd->have_console = 1;
923
924 console_update_silent();
925
926 print_pre_console_buffer(PRE_CONSOLE_FLUSHPOINT1_SERIAL);
927
928 return 0;
929}
930
931void stdio_print_current_devices(void)
932{
933
934 puts("In: ");
935 if (stdio_devices[stdin] == NULL) {
936 puts("No input devices available!\n");
937 } else {
938 printf ("%s\n", stdio_devices[stdin]->name);
939 }
940
941 puts("Out: ");
942 if (stdio_devices[stdout] == NULL) {
943 puts("No output devices available!\n");
944 } else {
945 printf ("%s\n", stdio_devices[stdout]->name);
946 }
947
948 puts("Err: ");
949 if (stdio_devices[stderr] == NULL) {
950 puts("No error devices available!\n");
951 } else {
952 printf ("%s\n", stdio_devices[stderr]->name);
953 }
954}
955
956#if CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV)
957
958int console_init_r(void)
959{
960 char *stdinname, *stdoutname, *stderrname;
961 struct stdio_dev *inputdev = NULL, *outputdev = NULL, *errdev = NULL;
962 int i;
963 int iomux_err = 0;
964 int flushpoint;
965
966
967 if (console_update_silent())
968 flushpoint = PRE_CONSOLE_FLUSHPOINT1_SERIAL;
969 else
970 flushpoint = PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL;
971
972
973 gd->jt->getc = serial_getc;
974 gd->jt->tstc = serial_tstc;
975 gd->jt->putc = serial_putc;
976 gd->jt->puts = serial_puts;
977 gd->jt->printf = serial_printf;
978
979
980
981 stdinname = env_get("stdin");
982 stdoutname = env_get("stdout");
983 stderrname = env_get("stderr");
984
985 if (OVERWRITE_CONSOLE == 0) {
986 inputdev = console_search_dev(DEV_FLAGS_INPUT, stdinname);
987 outputdev = console_search_dev(DEV_FLAGS_OUTPUT, stdoutname);
988 errdev = console_search_dev(DEV_FLAGS_OUTPUT, stderrname);
989 if (CONFIG_IS_ENABLED(CONSOLE_MUX)) {
990 iomux_err = iomux_doenv(stdin, stdinname);
991 iomux_err += iomux_doenv(stdout, stdoutname);
992 iomux_err += iomux_doenv(stderr, stderrname);
993 if (!iomux_err)
994
995 goto done;
996 }
997 }
998
999 if (inputdev == NULL) {
1000 inputdev = console_search_dev(DEV_FLAGS_INPUT, "serial");
1001 }
1002 if (outputdev == NULL) {
1003 outputdev = console_search_dev(DEV_FLAGS_OUTPUT, "serial");
1004 }
1005 if (errdev == NULL) {
1006 errdev = console_search_dev(DEV_FLAGS_OUTPUT, "serial");
1007 }
1008
1009 if (outputdev != NULL) {
1010
1011 console_doenv(stdout, outputdev);
1012 }
1013 if (errdev != NULL) {
1014
1015 console_doenv(stderr, errdev);
1016 }
1017 if (inputdev != NULL) {
1018
1019 console_doenv(stdin, inputdev);
1020 }
1021
1022done:
1023
1024 if (!IS_ENABLED(CONFIG_SYS_CONSOLE_INFO_QUIET))
1025 stdio_print_current_devices();
1026
1027#ifdef CONFIG_VIDCONSOLE_AS_LCD
1028 if (strstr(stdoutname, CONFIG_VIDCONSOLE_AS_NAME))
1029 printf("Warning: Please change '%s' to 'vidconsole' in stdout/stderr environment vars\n",
1030 CONFIG_VIDCONSOLE_AS_NAME);
1031#endif
1032
1033 if (IS_ENABLED(CONFIG_SYS_CONSOLE_ENV_OVERWRITE)) {
1034
1035 for (i = 0; i < MAX_FILES; i++)
1036 env_set(stdio_names[i], stdio_devices[i]->name);
1037 }
1038
1039 gd->flags |= GD_FLG_DEVINIT;
1040
1041 print_pre_console_buffer(flushpoint);
1042 return 0;
1043}
1044
1045#else
1046
1047
1048int console_init_r(void)
1049{
1050 struct stdio_dev *inputdev = NULL, *outputdev = NULL;
1051 int i;
1052 struct list_head *list = stdio_get_list();
1053 struct list_head *pos;
1054 struct stdio_dev *dev;
1055 int flushpoint;
1056
1057
1058 if (console_update_silent())
1059 flushpoint = PRE_CONSOLE_FLUSHPOINT1_SERIAL;
1060 else
1061 flushpoint = PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL;
1062
1063
1064
1065
1066
1067
1068
1069 if (IS_ENABLED(CONFIG_SPLASH_SCREEN) && env_get("splashimage")) {
1070 if (!(gd->flags & GD_FLG_SILENT))
1071 outputdev = console_search_dev (DEV_FLAGS_OUTPUT, "serial");
1072 }
1073
1074
1075 list_for_each(pos, list) {
1076 dev = list_entry(pos, struct stdio_dev, list);
1077
1078 if ((dev->flags & DEV_FLAGS_INPUT) && (inputdev == NULL)) {
1079 inputdev = dev;
1080 }
1081 if ((dev->flags & DEV_FLAGS_OUTPUT) && (outputdev == NULL)) {
1082 outputdev = dev;
1083 }
1084 if(inputdev && outputdev)
1085 break;
1086 }
1087
1088
1089 if (outputdev != NULL) {
1090 console_setfile_and_devices(stdout, outputdev);
1091 console_setfile_and_devices(stderr, outputdev);
1092 }
1093
1094
1095 if (inputdev != NULL)
1096 console_setfile_and_devices(stdin, inputdev);
1097
1098 if (!IS_ENABLED(CONFIG_SYS_CONSOLE_INFO_QUIET))
1099 stdio_print_current_devices();
1100
1101
1102 for (i = 0; i < MAX_FILES; i++) {
1103 env_set(stdio_names[i], stdio_devices[i]->name);
1104 }
1105
1106 gd->flags |= GD_FLG_DEVINIT;
1107
1108 print_pre_console_buffer(flushpoint);
1109 return 0;
1110}
1111
1112#endif
1113