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wdenk47d1a6e2002-11-03 00:01:44 +00001/*
2 * (C) Copyright 2000
3 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
wdenk47d1a6e2002-11-03 00:01:44 +00006 */
7
8#include <common.h>
Simon Glass24b852a2015-11-08 23:47:45 -07009#include <console.h>
Simon Glassd6ea5302015-06-23 15:38:33 -060010#include <debug_uart.h>
wdenk47d1a6e2002-11-03 00:01:44 +000011#include <stdarg.h>
Jeroen Hofstee482f4692014-10-08 22:57:48 +020012#include <iomux.h>
wdenk47d1a6e2002-11-03 00:01:44 +000013#include <malloc.h>
Simon Glass91b136c2013-11-10 10:27:01 -070014#include <os.h>
Joe Hershberger849d5d92012-12-11 22:16:29 -060015#include <serial.h>
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020016#include <stdio_dev.h>
wdenk27b207f2003-07-24 23:38:38 +000017#include <exports.h>
Joe Hershberger849d5d92012-12-11 22:16:29 -060018#include <environment.h>
wdenk47d1a6e2002-11-03 00:01:44 +000019
Wolfgang Denkd87080b2006-03-31 18:32:53 +020020DECLARE_GLOBAL_DATA_PTR;
21
Joe Hershberger849d5d92012-12-11 22:16:29 -060022static int on_console(const char *name, const char *value, enum env_op op,
23 int flags)
24{
25 int console = -1;
26
27 /* Check for console redirection */
28 if (strcmp(name, "stdin") == 0)
29 console = stdin;
30 else if (strcmp(name, "stdout") == 0)
31 console = stdout;
32 else if (strcmp(name, "stderr") == 0)
33 console = stderr;
34
35 /* if not actually setting a console variable, we don't care */
36 if (console == -1 || (gd->flags & GD_FLG_DEVINIT) == 0)
37 return 0;
38
39 switch (op) {
40 case env_op_create:
41 case env_op_overwrite:
42
43#ifdef CONFIG_CONSOLE_MUX
44 if (iomux_doenv(console, value))
45 return 1;
46#else
47 /* Try assigning specified device */
48 if (console_assign(console, value) < 0)
49 return 1;
50#endif /* CONFIG_CONSOLE_MUX */
51 return 0;
52
53 case env_op_delete:
54 if ((flags & H_FORCE) == 0)
55 printf("Can't delete \"%s\"\n", name);
56 return 1;
57
58 default:
59 return 0;
60 }
61}
62U_BOOT_ENV_CALLBACK(console, on_console);
63
Joe Hershbergere080d542012-12-11 22:16:30 -060064#ifdef CONFIG_SILENT_CONSOLE
65static int on_silent(const char *name, const char *value, enum env_op op,
66 int flags)
67{
68#ifndef CONFIG_SILENT_CONSOLE_UPDATE_ON_SET
69 if (flags & H_INTERACTIVE)
70 return 0;
71#endif
72#ifndef CONFIG_SILENT_CONSOLE_UPDATE_ON_RELOC
73 if ((flags & H_INTERACTIVE) == 0)
74 return 0;
75#endif
76
77 if (value != NULL)
78 gd->flags |= GD_FLG_SILENT;
79 else
80 gd->flags &= ~GD_FLG_SILENT;
81
82 return 0;
83}
84U_BOOT_ENV_CALLBACK(silent, on_silent);
85#endif
86
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020087#ifdef CONFIG_SYS_CONSOLE_IS_IN_ENV
wdenk47d1a6e2002-11-03 00:01:44 +000088/*
89 * if overwrite_console returns 1, the stdin, stderr and stdout
90 * are switched to the serial port, else the settings in the
91 * environment are used
92 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020093#ifdef CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +010094extern int overwrite_console(void);
95#define OVERWRITE_CONSOLE overwrite_console()
wdenk47d1a6e2002-11-03 00:01:44 +000096#else
wdenk83e40ba2005-03-31 18:42:15 +000097#define OVERWRITE_CONSOLE 0
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020098#endif /* CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE */
wdenk47d1a6e2002-11-03 00:01:44 +000099
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200100#endif /* CONFIG_SYS_CONSOLE_IS_IN_ENV */
wdenk47d1a6e2002-11-03 00:01:44 +0000101
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200102static int console_setfile(int file, struct stdio_dev * dev)
wdenk47d1a6e2002-11-03 00:01:44 +0000103{
104 int error = 0;
105
106 if (dev == NULL)
107 return -1;
108
109 switch (file) {
110 case stdin:
111 case stdout:
112 case stderr:
113 /* Start new device */
114 if (dev->start) {
Simon Glass709ea542014-07-23 06:54:59 -0600115 error = dev->start(dev);
wdenk47d1a6e2002-11-03 00:01:44 +0000116 /* If it's not started dont use it */
117 if (error < 0)
118 break;
119 }
120
121 /* Assign the new device (leaving the existing one started) */
122 stdio_devices[file] = dev;
123
124 /*
125 * Update monitor functions
126 * (to use the console stuff by other applications)
127 */
128 switch (file) {
129 case stdin:
Martin Dorwig49cad542015-01-26 15:22:54 -0700130 gd->jt->getc = getc;
131 gd->jt->tstc = tstc;
wdenk47d1a6e2002-11-03 00:01:44 +0000132 break;
133 case stdout:
Martin Dorwig49cad542015-01-26 15:22:54 -0700134 gd->jt->putc = putc;
135 gd->jt->puts = puts;
136 gd->jt->printf = printf;
wdenk47d1a6e2002-11-03 00:01:44 +0000137 break;
138 }
139 break;
140
141 default: /* Invalid file ID */
142 error = -1;
143 }
144 return error;
145}
146
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100147#if defined(CONFIG_CONSOLE_MUX)
148/** Console I/O multiplexing *******************************************/
149
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200150static struct stdio_dev *tstcdev;
151struct stdio_dev **console_devices[MAX_FILES];
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100152int cd_count[MAX_FILES];
153
154/*
155 * This depends on tstc() always being called before getc().
156 * This is guaranteed to be true because this routine is called
157 * only from fgetc() which assures it.
158 * No attempt is made to demultiplex multiple input sources.
159 */
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100160static int console_getc(int file)
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100161{
162 unsigned char ret;
163
164 /* This is never called with testcdev == NULL */
Simon Glass709ea542014-07-23 06:54:59 -0600165 ret = tstcdev->getc(tstcdev);
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100166 tstcdev = NULL;
167 return ret;
168}
169
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100170static int console_tstc(int file)
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100171{
172 int i, ret;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200173 struct stdio_dev *dev;
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100174
175 disable_ctrlc(1);
176 for (i = 0; i < cd_count[file]; i++) {
177 dev = console_devices[file][i];
178 if (dev->tstc != NULL) {
Simon Glass709ea542014-07-23 06:54:59 -0600179 ret = dev->tstc(dev);
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100180 if (ret > 0) {
181 tstcdev = dev;
182 disable_ctrlc(0);
183 return ret;
184 }
185 }
186 }
187 disable_ctrlc(0);
188
189 return 0;
190}
191
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100192static void console_putc(int file, const char c)
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100193{
194 int i;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200195 struct stdio_dev *dev;
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100196
197 for (i = 0; i < cd_count[file]; i++) {
198 dev = console_devices[file][i];
199 if (dev->putc != NULL)
Simon Glass709ea542014-07-23 06:54:59 -0600200 dev->putc(dev, c);
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100201 }
202}
203
Siarhei Siamashka27669662015-01-08 09:02:31 +0200204#ifdef CONFIG_PRE_CONSOLE_BUFFER
Hans de Goedea8552c72015-05-05 13:13:36 +0200205static void console_puts_noserial(int file, const char *s)
Siarhei Siamashka27669662015-01-08 09:02:31 +0200206{
207 int i;
208 struct stdio_dev *dev;
209
210 for (i = 0; i < cd_count[file]; i++) {
211 dev = console_devices[file][i];
Hans de Goedea8552c72015-05-05 13:13:36 +0200212 if (dev->puts != NULL && strcmp(dev->name, "serial") != 0)
213 dev->puts(dev, s);
Siarhei Siamashka27669662015-01-08 09:02:31 +0200214 }
215}
216#endif
217
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100218static void console_puts(int file, const char *s)
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100219{
220 int i;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200221 struct stdio_dev *dev;
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100222
223 for (i = 0; i < cd_count[file]; i++) {
224 dev = console_devices[file][i];
225 if (dev->puts != NULL)
Simon Glass709ea542014-07-23 06:54:59 -0600226 dev->puts(dev, s);
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100227 }
228}
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100229
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200230static inline void console_doenv(int file, struct stdio_dev *dev)
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100231{
232 iomux_doenv(file, dev->name);
233}
234#else
235static inline int console_getc(int file)
236{
Simon Glass709ea542014-07-23 06:54:59 -0600237 return stdio_devices[file]->getc(stdio_devices[file]);
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100238}
239
240static inline int console_tstc(int file)
241{
Simon Glass709ea542014-07-23 06:54:59 -0600242 return stdio_devices[file]->tstc(stdio_devices[file]);
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100243}
244
245static inline void console_putc(int file, const char c)
246{
Simon Glass709ea542014-07-23 06:54:59 -0600247 stdio_devices[file]->putc(stdio_devices[file], c);
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100248}
249
Siarhei Siamashka27669662015-01-08 09:02:31 +0200250#ifdef CONFIG_PRE_CONSOLE_BUFFER
Hans de Goedea8552c72015-05-05 13:13:36 +0200251static inline void console_puts_noserial(int file, const char *s)
Siarhei Siamashka27669662015-01-08 09:02:31 +0200252{
253 if (strcmp(stdio_devices[file]->name, "serial") != 0)
Hans de Goedea8552c72015-05-05 13:13:36 +0200254 stdio_devices[file]->puts(stdio_devices[file], s);
Siarhei Siamashka27669662015-01-08 09:02:31 +0200255}
256#endif
257
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100258static inline void console_puts(int file, const char *s)
259{
Simon Glass709ea542014-07-23 06:54:59 -0600260 stdio_devices[file]->puts(stdio_devices[file], s);
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100261}
262
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200263static inline void console_doenv(int file, struct stdio_dev *dev)
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100264{
265 console_setfile(file, dev);
266}
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100267#endif /* defined(CONFIG_CONSOLE_MUX) */
268
wdenk47d1a6e2002-11-03 00:01:44 +0000269/** U-Boot INITIAL CONSOLE-NOT COMPATIBLE FUNCTIONS *************************/
270
Wolfgang Denkd9c27252010-06-20 17:14:14 +0200271int serial_printf(const char *fmt, ...)
wdenk47d1a6e2002-11-03 00:01:44 +0000272{
273 va_list args;
274 uint i;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200275 char printbuffer[CONFIG_SYS_PBSIZE];
wdenk47d1a6e2002-11-03 00:01:44 +0000276
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100277 va_start(args, fmt);
wdenk47d1a6e2002-11-03 00:01:44 +0000278
279 /* For this to work, printbuffer must be larger than
280 * anything we ever want to print.
281 */
Sonny Rao068af6f2011-10-10 09:22:31 +0000282 i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100283 va_end(args);
wdenk47d1a6e2002-11-03 00:01:44 +0000284
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100285 serial_puts(printbuffer);
Wolfgang Denkd9c27252010-06-20 17:14:14 +0200286 return i;
wdenk47d1a6e2002-11-03 00:01:44 +0000287}
288
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100289int fgetc(int file)
wdenk47d1a6e2002-11-03 00:01:44 +0000290{
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100291 if (file < MAX_FILES) {
292#if defined(CONFIG_CONSOLE_MUX)
293 /*
294 * Effectively poll for input wherever it may be available.
295 */
296 for (;;) {
297 /*
298 * Upper layer may have already called tstc() so
299 * check for that first.
300 */
301 if (tstcdev != NULL)
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100302 return console_getc(file);
303 console_tstc(file);
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100304#ifdef CONFIG_WATCHDOG
305 /*
306 * If the watchdog must be rate-limited then it should
307 * already be handled in board-specific code.
308 */
309 udelay(1);
310#endif
311 }
312#else
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100313 return console_getc(file);
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100314#endif
315 }
wdenk47d1a6e2002-11-03 00:01:44 +0000316
317 return -1;
318}
319
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100320int ftstc(int file)
wdenk47d1a6e2002-11-03 00:01:44 +0000321{
322 if (file < MAX_FILES)
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100323 return console_tstc(file);
wdenk47d1a6e2002-11-03 00:01:44 +0000324
325 return -1;
326}
327
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100328void fputc(int file, const char c)
wdenk47d1a6e2002-11-03 00:01:44 +0000329{
330 if (file < MAX_FILES)
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100331 console_putc(file, c);
wdenk47d1a6e2002-11-03 00:01:44 +0000332}
333
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100334void fputs(int file, const char *s)
wdenk47d1a6e2002-11-03 00:01:44 +0000335{
336 if (file < MAX_FILES)
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100337 console_puts(file, s);
wdenk47d1a6e2002-11-03 00:01:44 +0000338}
339
Wolfgang Denkd9c27252010-06-20 17:14:14 +0200340int fprintf(int file, const char *fmt, ...)
wdenk47d1a6e2002-11-03 00:01:44 +0000341{
342 va_list args;
343 uint i;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200344 char printbuffer[CONFIG_SYS_PBSIZE];
wdenk47d1a6e2002-11-03 00:01:44 +0000345
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100346 va_start(args, fmt);
wdenk47d1a6e2002-11-03 00:01:44 +0000347
348 /* For this to work, printbuffer must be larger than
349 * anything we ever want to print.
350 */
Sonny Rao068af6f2011-10-10 09:22:31 +0000351 i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100352 va_end(args);
wdenk47d1a6e2002-11-03 00:01:44 +0000353
354 /* Send to desired file */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100355 fputs(file, printbuffer);
Wolfgang Denkd9c27252010-06-20 17:14:14 +0200356 return i;
wdenk47d1a6e2002-11-03 00:01:44 +0000357}
358
359/** U-Boot INITIAL CONSOLE-COMPATIBLE FUNCTION *****************************/
360
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100361int getc(void)
wdenk47d1a6e2002-11-03 00:01:44 +0000362{
Mark Jacksonf5c3ba72008-08-25 19:21:30 +0100363#ifdef CONFIG_DISABLE_CONSOLE
364 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
365 return 0;
366#endif
367
Graeme Russe3e454c2011-08-29 02:14:05 +0000368 if (!gd->have_console)
369 return 0;
370
Simon Glass9854a872015-11-08 23:47:48 -0700371#ifdef CONFIG_CONSOLE_RECORD
372 if (gd->console_in.start) {
373 int ch;
374
375 ch = membuff_getbyte(&gd->console_in);
376 if (ch != -1)
377 return 1;
378 }
379#endif
wdenk47d1a6e2002-11-03 00:01:44 +0000380 if (gd->flags & GD_FLG_DEVINIT) {
381 /* Get from the standard input */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100382 return fgetc(stdin);
wdenk47d1a6e2002-11-03 00:01:44 +0000383 }
384
385 /* Send directly to the handler */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100386 return serial_getc();
wdenk47d1a6e2002-11-03 00:01:44 +0000387}
388
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100389int tstc(void)
wdenk47d1a6e2002-11-03 00:01:44 +0000390{
Mark Jacksonf5c3ba72008-08-25 19:21:30 +0100391#ifdef CONFIG_DISABLE_CONSOLE
392 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
393 return 0;
394#endif
395
Graeme Russe3e454c2011-08-29 02:14:05 +0000396 if (!gd->have_console)
397 return 0;
Simon Glass9854a872015-11-08 23:47:48 -0700398#ifdef CONFIG_CONSOLE_RECORD
399 if (gd->console_in.start) {
400 if (membuff_peekbyte(&gd->console_in) != -1)
401 return 1;
402 }
403#endif
wdenk47d1a6e2002-11-03 00:01:44 +0000404 if (gd->flags & GD_FLG_DEVINIT) {
405 /* Test the standard input */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100406 return ftstc(stdin);
wdenk47d1a6e2002-11-03 00:01:44 +0000407 }
408
409 /* Send directly to the handler */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100410 return serial_tstc();
wdenk47d1a6e2002-11-03 00:01:44 +0000411}
412
Siarhei Siamashka27669662015-01-08 09:02:31 +0200413#define PRE_CONSOLE_FLUSHPOINT1_SERIAL 0
414#define PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL 1
415
Simon Glass3fa49772012-03-19 21:59:14 -0700416#ifdef CONFIG_PRE_CONSOLE_BUFFER
Graeme Russ9558b482011-09-01 00:48:27 +0000417#define CIRC_BUF_IDX(idx) ((idx) % (unsigned long)CONFIG_PRE_CON_BUF_SZ)
418
419static void pre_console_putc(const char c)
420{
421 char *buffer = (char *)CONFIG_PRE_CON_BUF_ADDR;
422
423 buffer[CIRC_BUF_IDX(gd->precon_buf_idx++)] = c;
424}
425
426static void pre_console_puts(const char *s)
427{
428 while (*s)
429 pre_console_putc(*s++);
430}
431
Siarhei Siamashka27669662015-01-08 09:02:31 +0200432static void print_pre_console_buffer(int flushpoint)
Graeme Russ9558b482011-09-01 00:48:27 +0000433{
Hans de Goedea8552c72015-05-05 13:13:36 +0200434 unsigned long in = 0, out = 0;
435 char *buf_in = (char *)CONFIG_PRE_CON_BUF_ADDR;
436 char buf_out[CONFIG_PRE_CON_BUF_SZ + 1];
Graeme Russ9558b482011-09-01 00:48:27 +0000437
438 if (gd->precon_buf_idx > CONFIG_PRE_CON_BUF_SZ)
Hans de Goedea8552c72015-05-05 13:13:36 +0200439 in = gd->precon_buf_idx - CONFIG_PRE_CON_BUF_SZ;
Graeme Russ9558b482011-09-01 00:48:27 +0000440
Hans de Goedea8552c72015-05-05 13:13:36 +0200441 while (in < gd->precon_buf_idx)
442 buf_out[out++] = buf_in[CIRC_BUF_IDX(in++)];
443
444 buf_out[out] = 0;
445
446 switch (flushpoint) {
447 case PRE_CONSOLE_FLUSHPOINT1_SERIAL:
448 puts(buf_out);
449 break;
450 case PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL:
451 console_puts_noserial(stdout, buf_out);
452 break;
453 }
Graeme Russ9558b482011-09-01 00:48:27 +0000454}
455#else
456static inline void pre_console_putc(const char c) {}
457static inline void pre_console_puts(const char *s) {}
Siarhei Siamashka27669662015-01-08 09:02:31 +0200458static inline void print_pre_console_buffer(int flushpoint) {}
Graeme Russ9558b482011-09-01 00:48:27 +0000459#endif
460
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100461void putc(const char c)
wdenk47d1a6e2002-11-03 00:01:44 +0000462{
Simon Glass91b136c2013-11-10 10:27:01 -0700463#ifdef CONFIG_SANDBOX
Simon Glassda229e42015-06-23 15:38:34 -0600464 /* sandbox can send characters to stdout before it has a console */
Simon Glass093f79a2014-07-23 06:55:07 -0600465 if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
Simon Glass91b136c2013-11-10 10:27:01 -0700466 os_putc(c);
467 return;
468 }
469#endif
Simon Glassd6ea5302015-06-23 15:38:33 -0600470#ifdef CONFIG_DEBUG_UART
471 /* if we don't have a console yet, use the debug UART */
472 if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
473 printch(c);
474 return;
475 }
476#endif
Simon Glass9854a872015-11-08 23:47:48 -0700477#ifdef CONFIG_CONSOLE_RECORD
478 if (gd && (gd->flags & GD_FLG_RECORD) && gd->console_out.start)
479 membuff_putbyte(&gd->console_out, c);
480#endif
wdenka6cccae2004-02-06 21:48:22 +0000481#ifdef CONFIG_SILENT_CONSOLE
482 if (gd->flags & GD_FLG_SILENT)
wdenkf6e20fc2004-02-08 19:38:38 +0000483 return;
wdenka6cccae2004-02-06 21:48:22 +0000484#endif
485
Mark Jacksonf5c3ba72008-08-25 19:21:30 +0100486#ifdef CONFIG_DISABLE_CONSOLE
487 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
488 return;
489#endif
490
Graeme Russe3e454c2011-08-29 02:14:05 +0000491 if (!gd->have_console)
Graeme Russ9558b482011-09-01 00:48:27 +0000492 return pre_console_putc(c);
Graeme Russe3e454c2011-08-29 02:14:05 +0000493
wdenk47d1a6e2002-11-03 00:01:44 +0000494 if (gd->flags & GD_FLG_DEVINIT) {
495 /* Send to the standard output */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100496 fputc(stdout, c);
wdenk47d1a6e2002-11-03 00:01:44 +0000497 } else {
498 /* Send directly to the handler */
Siarhei Siamashka27669662015-01-08 09:02:31 +0200499 pre_console_putc(c);
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100500 serial_putc(c);
wdenk47d1a6e2002-11-03 00:01:44 +0000501 }
502}
503
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100504void puts(const char *s)
wdenk47d1a6e2002-11-03 00:01:44 +0000505{
Simon Glass91b136c2013-11-10 10:27:01 -0700506#ifdef CONFIG_SANDBOX
Simon Glass093f79a2014-07-23 06:55:07 -0600507 if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
Simon Glass91b136c2013-11-10 10:27:01 -0700508 os_puts(s);
509 return;
510 }
511#endif
Simon Glassd6ea5302015-06-23 15:38:33 -0600512#ifdef CONFIG_DEBUG_UART
513 if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
514 while (*s) {
515 int ch = *s++;
Simon Glass91b136c2013-11-10 10:27:01 -0700516
Simon Glassd6ea5302015-06-23 15:38:33 -0600517 printch(ch);
518 if (ch == '\n')
519 printch('\r');
520 }
521 return;
522 }
523#endif
Simon Glass9854a872015-11-08 23:47:48 -0700524#ifdef CONFIG_CONSOLE_RECORD
525 if (gd && (gd->flags & GD_FLG_RECORD) && gd->console_out.start)
526 membuff_put(&gd->console_out, s, strlen(s));
527#endif
wdenka6cccae2004-02-06 21:48:22 +0000528#ifdef CONFIG_SILENT_CONSOLE
529 if (gd->flags & GD_FLG_SILENT)
530 return;
531#endif
532
Mark Jacksonf5c3ba72008-08-25 19:21:30 +0100533#ifdef CONFIG_DISABLE_CONSOLE
534 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
535 return;
536#endif
537
Graeme Russe3e454c2011-08-29 02:14:05 +0000538 if (!gd->have_console)
Graeme Russ9558b482011-09-01 00:48:27 +0000539 return pre_console_puts(s);
Graeme Russe3e454c2011-08-29 02:14:05 +0000540
wdenk47d1a6e2002-11-03 00:01:44 +0000541 if (gd->flags & GD_FLG_DEVINIT) {
542 /* Send to the standard output */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100543 fputs(stdout, s);
wdenk47d1a6e2002-11-03 00:01:44 +0000544 } else {
545 /* Send directly to the handler */
Siarhei Siamashka27669662015-01-08 09:02:31 +0200546 pre_console_puts(s);
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100547 serial_puts(s);
wdenk47d1a6e2002-11-03 00:01:44 +0000548 }
549}
550
Simon Glass9854a872015-11-08 23:47:48 -0700551#ifdef CONFIG_CONSOLE_RECORD
552int console_record_init(void)
553{
554 int ret;
555
556 ret = membuff_new(&gd->console_out, CONFIG_CONSOLE_RECORD_OUT_SIZE);
557 if (ret)
558 return ret;
559 ret = membuff_new(&gd->console_in, CONFIG_CONSOLE_RECORD_IN_SIZE);
560
561 return ret;
562}
563
564void console_record_reset(void)
565{
566 membuff_purge(&gd->console_out);
567 membuff_purge(&gd->console_in);
568}
569
570void console_record_reset_enable(void)
571{
572 console_record_reset();
573 gd->flags |= GD_FLG_RECORD;
574}
575#endif
576
wdenk47d1a6e2002-11-03 00:01:44 +0000577/* test if ctrl-c was pressed */
578static int ctrlc_disabled = 0; /* see disable_ctrl() */
579static int ctrlc_was_pressed = 0;
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100580int ctrlc(void)
wdenk47d1a6e2002-11-03 00:01:44 +0000581{
Simon Glass8969ea32014-09-14 12:40:15 -0600582#ifndef CONFIG_SANDBOX
wdenk47d1a6e2002-11-03 00:01:44 +0000583 if (!ctrlc_disabled && gd->have_console) {
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100584 if (tstc()) {
585 switch (getc()) {
wdenk47d1a6e2002-11-03 00:01:44 +0000586 case 0x03: /* ^C - Control C */
587 ctrlc_was_pressed = 1;
588 return 1;
589 default:
590 break;
591 }
592 }
593 }
Simon Glass8969ea32014-09-14 12:40:15 -0600594#endif
595
wdenk47d1a6e2002-11-03 00:01:44 +0000596 return 0;
597}
Pierre Auberta5dffa42014-04-24 10:30:07 +0200598/* Reads user's confirmation.
599 Returns 1 if user's input is "y", "Y", "yes" or "YES"
600*/
601int confirm_yesno(void)
602{
603 int i;
604 char str_input[5];
wdenk47d1a6e2002-11-03 00:01:44 +0000605
Pierre Auberta5dffa42014-04-24 10:30:07 +0200606 /* Flush input */
607 while (tstc())
608 getc();
609 i = 0;
610 while (i < sizeof(str_input)) {
611 str_input[i] = getc();
612 putc(str_input[i]);
613 if (str_input[i] == '\r')
614 break;
615 i++;
616 }
617 putc('\n');
618 if (strncmp(str_input, "y\r", 2) == 0 ||
619 strncmp(str_input, "Y\r", 2) == 0 ||
620 strncmp(str_input, "yes\r", 4) == 0 ||
621 strncmp(str_input, "YES\r", 4) == 0)
622 return 1;
623 return 0;
624}
wdenk47d1a6e2002-11-03 00:01:44 +0000625/* pass 1 to disable ctrlc() checking, 0 to enable.
626 * returns previous state
627 */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100628int disable_ctrlc(int disable)
wdenk47d1a6e2002-11-03 00:01:44 +0000629{
630 int prev = ctrlc_disabled; /* save previous state */
631
632 ctrlc_disabled = disable;
633 return prev;
634}
635
636int had_ctrlc (void)
637{
638 return ctrlc_was_pressed;
639}
640
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100641void clear_ctrlc(void)
wdenk47d1a6e2002-11-03 00:01:44 +0000642{
643 ctrlc_was_pressed = 0;
644}
645
wdenk47d1a6e2002-11-03 00:01:44 +0000646/** U-Boot INIT FUNCTIONS *************************************************/
647
Mike Frysingerd7be3052010-10-20 07:18:03 -0400648struct stdio_dev *search_device(int flags, const char *name)
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200649{
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200650 struct stdio_dev *dev;
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200651
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200652 dev = stdio_get_by_name(name);
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200653
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100654 if (dev && (dev->flags & flags))
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200655 return dev;
656
657 return NULL;
658}
659
Mike Frysingerd7be3052010-10-20 07:18:03 -0400660int console_assign(int file, const char *devname)
wdenk47d1a6e2002-11-03 00:01:44 +0000661{
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200662 int flag;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200663 struct stdio_dev *dev;
wdenk47d1a6e2002-11-03 00:01:44 +0000664
665 /* Check for valid file */
666 switch (file) {
667 case stdin:
668 flag = DEV_FLAGS_INPUT;
669 break;
670 case stdout:
671 case stderr:
672 flag = DEV_FLAGS_OUTPUT;
673 break;
674 default:
675 return -1;
676 }
677
678 /* Check for valid device name */
679
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200680 dev = search_device(flag, devname);
wdenk47d1a6e2002-11-03 00:01:44 +0000681
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100682 if (dev)
683 return console_setfile(file, dev);
wdenk47d1a6e2002-11-03 00:01:44 +0000684
685 return -1;
686}
687
688/* Called before relocation - use serial functions */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100689int console_init_f(void)
wdenk47d1a6e2002-11-03 00:01:44 +0000690{
wdenk47d1a6e2002-11-03 00:01:44 +0000691 gd->have_console = 1;
wdenkf72da342003-10-10 10:05:42 +0000692
693#ifdef CONFIG_SILENT_CONSOLE
694 if (getenv("silent") != NULL)
695 gd->flags |= GD_FLG_SILENT;
696#endif
697
Siarhei Siamashka27669662015-01-08 09:02:31 +0200698 print_pre_console_buffer(PRE_CONSOLE_FLUSHPOINT1_SERIAL);
Graeme Russ9558b482011-09-01 00:48:27 +0000699
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100700 return 0;
wdenk47d1a6e2002-11-03 00:01:44 +0000701}
702
Jean-Christophe PLAGNIOL-VILLARD7e3be7c2009-05-16 12:14:55 +0200703void stdio_print_current_devices(void)
704{
Jean-Christophe PLAGNIOL-VILLARD7e3be7c2009-05-16 12:14:55 +0200705 /* Print information */
706 puts("In: ");
707 if (stdio_devices[stdin] == NULL) {
708 puts("No input devices available!\n");
709 } else {
710 printf ("%s\n", stdio_devices[stdin]->name);
711 }
712
713 puts("Out: ");
714 if (stdio_devices[stdout] == NULL) {
715 puts("No output devices available!\n");
716 } else {
717 printf ("%s\n", stdio_devices[stdout]->name);
718 }
719
720 puts("Err: ");
721 if (stdio_devices[stderr] == NULL) {
722 puts("No error devices available!\n");
723 } else {
724 printf ("%s\n", stdio_devices[stderr]->name);
725 }
Jean-Christophe PLAGNIOL-VILLARD7e3be7c2009-05-16 12:14:55 +0200726}
727
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200728#ifdef CONFIG_SYS_CONSOLE_IS_IN_ENV
wdenk47d1a6e2002-11-03 00:01:44 +0000729/* Called after the relocation - use desired console functions */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100730int console_init_r(void)
wdenk47d1a6e2002-11-03 00:01:44 +0000731{
732 char *stdinname, *stdoutname, *stderrname;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200733 struct stdio_dev *inputdev = NULL, *outputdev = NULL, *errdev = NULL;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200734#ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
wdenk6e592382004-04-18 17:39:38 +0000735 int i;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200736#endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100737#ifdef CONFIG_CONSOLE_MUX
738 int iomux_err = 0;
739#endif
wdenk47d1a6e2002-11-03 00:01:44 +0000740
741 /* set default handlers at first */
Martin Dorwig49cad542015-01-26 15:22:54 -0700742 gd->jt->getc = serial_getc;
743 gd->jt->tstc = serial_tstc;
744 gd->jt->putc = serial_putc;
745 gd->jt->puts = serial_puts;
746 gd->jt->printf = serial_printf;
wdenk47d1a6e2002-11-03 00:01:44 +0000747
748 /* stdin stdout and stderr are in environment */
749 /* scan for it */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100750 stdinname = getenv("stdin");
751 stdoutname = getenv("stdout");
752 stderrname = getenv("stderr");
wdenk47d1a6e2002-11-03 00:01:44 +0000753
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200754 if (OVERWRITE_CONSOLE == 0) { /* if not overwritten by config switch */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100755 inputdev = search_device(DEV_FLAGS_INPUT, stdinname);
756 outputdev = search_device(DEV_FLAGS_OUTPUT, stdoutname);
757 errdev = search_device(DEV_FLAGS_OUTPUT, stderrname);
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100758#ifdef CONFIG_CONSOLE_MUX
759 iomux_err = iomux_doenv(stdin, stdinname);
760 iomux_err += iomux_doenv(stdout, stdoutname);
761 iomux_err += iomux_doenv(stderr, stderrname);
762 if (!iomux_err)
763 /* Successful, so skip all the code below. */
764 goto done;
765#endif
wdenk47d1a6e2002-11-03 00:01:44 +0000766 }
767 /* if the devices are overwritten or not found, use default device */
768 if (inputdev == NULL) {
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100769 inputdev = search_device(DEV_FLAGS_INPUT, "serial");
wdenk47d1a6e2002-11-03 00:01:44 +0000770 }
771 if (outputdev == NULL) {
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100772 outputdev = search_device(DEV_FLAGS_OUTPUT, "serial");
wdenk47d1a6e2002-11-03 00:01:44 +0000773 }
774 if (errdev == NULL) {
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100775 errdev = search_device(DEV_FLAGS_OUTPUT, "serial");
wdenk47d1a6e2002-11-03 00:01:44 +0000776 }
777 /* Initializes output console first */
778 if (outputdev != NULL) {
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100779 /* need to set a console if not done above. */
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100780 console_doenv(stdout, outputdev);
wdenk47d1a6e2002-11-03 00:01:44 +0000781 }
782 if (errdev != NULL) {
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100783 /* need to set a console if not done above. */
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100784 console_doenv(stderr, errdev);
wdenk47d1a6e2002-11-03 00:01:44 +0000785 }
786 if (inputdev != NULL) {
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100787 /* need to set a console if not done above. */
Jean-Christophe PLAGNIOL-VILLARD5f032012009-02-01 17:07:52 +0100788 console_doenv(stdin, inputdev);
wdenk47d1a6e2002-11-03 00:01:44 +0000789 }
790
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100791#ifdef CONFIG_CONSOLE_MUX
792done:
793#endif
794
Simon Glass78c112c2012-12-05 14:46:43 +0000795#ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
Jean-Christophe PLAGNIOL-VILLARD7e3be7c2009-05-16 12:14:55 +0200796 stdio_print_current_devices();
Simon Glass78c112c2012-12-05 14:46:43 +0000797#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
wdenk47d1a6e2002-11-03 00:01:44 +0000798
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200799#ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
wdenk47d1a6e2002-11-03 00:01:44 +0000800 /* set the environment variables (will overwrite previous env settings) */
801 for (i = 0; i < 3; i++) {
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100802 setenv(stdio_names[i], stdio_devices[i]->name);
wdenk47d1a6e2002-11-03 00:01:44 +0000803 }
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200804#endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
wdenk47d1a6e2002-11-03 00:01:44 +0000805
Joe Hershbergerc4e00572012-12-11 22:16:19 -0600806 gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
807
wdenk47d1a6e2002-11-03 00:01:44 +0000808#if 0
809 /* If nothing usable installed, use only the initial console */
810 if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100811 return 0;
wdenk47d1a6e2002-11-03 00:01:44 +0000812#endif
Siarhei Siamashka27669662015-01-08 09:02:31 +0200813 print_pre_console_buffer(PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL);
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100814 return 0;
wdenk47d1a6e2002-11-03 00:01:44 +0000815}
816
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200817#else /* CONFIG_SYS_CONSOLE_IS_IN_ENV */
wdenk47d1a6e2002-11-03 00:01:44 +0000818
819/* Called after the relocation - use desired console functions */
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100820int console_init_r(void)
wdenk47d1a6e2002-11-03 00:01:44 +0000821{
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200822 struct stdio_dev *inputdev = NULL, *outputdev = NULL;
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200823 int i;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200824 struct list_head *list = stdio_get_list();
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200825 struct list_head *pos;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200826 struct stdio_dev *dev;
wdenk47d1a6e2002-11-03 00:01:44 +0000827
wdenkd791b1d2003-04-20 14:04:18 +0000828#ifdef CONFIG_SPLASH_SCREEN
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100829 /*
830 * suppress all output if splash screen is enabled and we have
Anatolij Gustschina7490812010-03-16 15:29:33 +0100831 * a bmp to display. We redirect the output from frame buffer
832 * console to serial console in this case or suppress it if
833 * "silent" mode was requested.
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100834 */
Anatolij Gustschina7490812010-03-16 15:29:33 +0100835 if (getenv("splashimage") != NULL) {
836 if (!(gd->flags & GD_FLG_SILENT))
837 outputdev = search_device (DEV_FLAGS_OUTPUT, "serial");
838 }
wdenkf72da342003-10-10 10:05:42 +0000839#endif
840
wdenk47d1a6e2002-11-03 00:01:44 +0000841 /* Scan devices looking for input and output devices */
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200842 list_for_each(pos, list) {
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200843 dev = list_entry(pos, struct stdio_dev, list);
wdenk47d1a6e2002-11-03 00:01:44 +0000844
845 if ((dev->flags & DEV_FLAGS_INPUT) && (inputdev == NULL)) {
846 inputdev = dev;
847 }
848 if ((dev->flags & DEV_FLAGS_OUTPUT) && (outputdev == NULL)) {
849 outputdev = dev;
850 }
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200851 if(inputdev && outputdev)
852 break;
wdenk47d1a6e2002-11-03 00:01:44 +0000853 }
854
855 /* Initializes output console first */
856 if (outputdev != NULL) {
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100857 console_setfile(stdout, outputdev);
858 console_setfile(stderr, outputdev);
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100859#ifdef CONFIG_CONSOLE_MUX
860 console_devices[stdout][0] = outputdev;
861 console_devices[stderr][0] = outputdev;
862#endif
wdenk47d1a6e2002-11-03 00:01:44 +0000863 }
864
865 /* Initializes input console */
866 if (inputdev != NULL) {
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100867 console_setfile(stdin, inputdev);
Gary Jennejohn16a28ef2008-11-06 15:04:23 +0100868#ifdef CONFIG_CONSOLE_MUX
869 console_devices[stdin][0] = inputdev;
870#endif
wdenk47d1a6e2002-11-03 00:01:44 +0000871 }
872
Simon Glass78c112c2012-12-05 14:46:43 +0000873#ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
Jean-Christophe PLAGNIOL-VILLARD7e3be7c2009-05-16 12:14:55 +0200874 stdio_print_current_devices();
Simon Glass78c112c2012-12-05 14:46:43 +0000875#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
wdenk47d1a6e2002-11-03 00:01:44 +0000876
877 /* Setting environment variables */
878 for (i = 0; i < 3; i++) {
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100879 setenv(stdio_names[i], stdio_devices[i]->name);
wdenk47d1a6e2002-11-03 00:01:44 +0000880 }
881
Joe Hershbergerc4e00572012-12-11 22:16:19 -0600882 gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
883
wdenk47d1a6e2002-11-03 00:01:44 +0000884#if 0
885 /* If nothing usable installed, use only the initial console */
886 if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100887 return 0;
wdenk47d1a6e2002-11-03 00:01:44 +0000888#endif
Siarhei Siamashka27669662015-01-08 09:02:31 +0200889 print_pre_console_buffer(PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL);
Jean-Christophe PLAGNIOL-VILLARDec6f1492009-02-01 17:07:51 +0100890 return 0;
wdenk47d1a6e2002-11-03 00:01:44 +0000891}
892
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200893#endif /* CONFIG_SYS_CONSOLE_IS_IN_ENV */