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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2000
- * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
- */
- #include <common.h>
- #include <console.h>
- #include <debug_uart.h>
- #include <dm.h>
- #include <env.h>
- #include <stdarg.h>
- #include <iomux.h>
- #include <malloc.h>
- #include <mapmem.h>
- #include <os.h>
- #include <serial.h>
- #include <stdio_dev.h>
- #include <exports.h>
- #include <env_internal.h>
- #include <watchdog.h>
- #include <linux/delay.h>
- DECLARE_GLOBAL_DATA_PTR;
- static int on_console(const char *name, const char *value, enum env_op op,
- int flags)
- {
- int console = -1;
- /* Check for console redirection */
- if (strcmp(name, "stdin") == 0)
- console = stdin;
- else if (strcmp(name, "stdout") == 0)
- console = stdout;
- else if (strcmp(name, "stderr") == 0)
- console = stderr;
- /* if not actually setting a console variable, we don't care */
- if (console == -1 || (gd->flags & GD_FLG_DEVINIT) == 0)
- return 0;
- switch (op) {
- case env_op_create:
- case env_op_overwrite:
- #if CONFIG_IS_ENABLED(CONSOLE_MUX)
- if (iomux_doenv(console, value))
- return 1;
- #else
- /* Try assigning specified device */
- if (console_assign(console, value) < 0)
- return 1;
- #endif
- return 0;
- case env_op_delete:
- if ((flags & H_FORCE) == 0)
- printf("Can't delete \"%s\"\n", name);
- return 1;
- default:
- return 0;
- }
- }
- U_BOOT_ENV_CALLBACK(console, on_console);
- #ifdef CONFIG_SILENT_CONSOLE
- static int on_silent(const char *name, const char *value, enum env_op op,
- int flags)
- {
- #if !CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_SET)
- if (flags & H_INTERACTIVE)
- return 0;
- #endif
- #if !CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_RELOC)
- if ((flags & H_INTERACTIVE) == 0)
- return 0;
- #endif
- if (value != NULL)
- gd->flags |= GD_FLG_SILENT;
- else
- gd->flags &= ~GD_FLG_SILENT;
- return 0;
- }
- U_BOOT_ENV_CALLBACK(silent, on_silent);
- #endif
- #if CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV)
- /*
- * if overwrite_console returns 1, the stdin, stderr and stdout
- * are switched to the serial port, else the settings in the
- * environment are used
- */
- #ifdef CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
- extern int overwrite_console(void);
- #define OVERWRITE_CONSOLE overwrite_console()
- #else
- #define OVERWRITE_CONSOLE 0
- #endif /* CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE */
- #endif /* CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV) */
- static int console_setfile(int file, struct stdio_dev * dev)
- {
- int error = 0;
- if (dev == NULL)
- return -1;
- switch (file) {
- case stdin:
- case stdout:
- case stderr:
- /* Start new device */
- if (dev->start) {
- error = dev->start(dev);
- /* If it's not started dont use it */
- if (error < 0)
- break;
- }
- /* Assign the new device (leaving the existing one started) */
- stdio_devices[file] = dev;
- /*
- * Update monitor functions
- * (to use the console stuff by other applications)
- */
- switch (file) {
- case stdin:
- gd->jt->getc = getc;
- gd->jt->tstc = tstc;
- break;
- case stdout:
- gd->jt->putc = putc;
- gd->jt->puts = puts;
- gd->jt->printf = printf;
- break;
- }
- break;
- default: /* Invalid file ID */
- error = -1;
- }
- return error;
- }
- /**
- * console_dev_is_serial() - Check if a stdio device is a serial device
- *
- * @sdev: Device to check
- * @return true if this device is in the serial uclass (or for pre-driver-model,
- * whether it is called "serial".
- */
- static bool console_dev_is_serial(struct stdio_dev *sdev)
- {
- bool is_serial;
- #ifdef CONFIG_DM_SERIAL
- if (sdev->flags & DEV_FLAGS_DM) {
- struct udevice *dev = sdev->priv;
- is_serial = device_get_uclass_id(dev) == UCLASS_SERIAL;
- } else
- #endif
- is_serial = !strcmp(sdev->name, "serial");
- return is_serial;
- }
- #if CONFIG_IS_ENABLED(CONSOLE_MUX)
- /** Console I/O multiplexing *******************************************/
- static struct stdio_dev *tstcdev;
- struct stdio_dev **console_devices[MAX_FILES];
- int cd_count[MAX_FILES];
- /*
- * This depends on tstc() always being called before getc().
- * This is guaranteed to be true because this routine is called
- * only from fgetc() which assures it.
- * No attempt is made to demultiplex multiple input sources.
- */
- static int console_getc(int file)
- {
- unsigned char ret;
- /* This is never called with testcdev == NULL */
- ret = tstcdev->getc(tstcdev);
- tstcdev = NULL;
- return ret;
- }
- static int console_tstc(int file)
- {
- int i, ret;
- struct stdio_dev *dev;
- int prev;
- prev = disable_ctrlc(1);
- for (i = 0; i < cd_count[file]; i++) {
- dev = console_devices[file][i];
- if (dev->tstc != NULL) {
- ret = dev->tstc(dev);
- if (ret > 0) {
- tstcdev = dev;
- disable_ctrlc(prev);
- return ret;
- }
- }
- }
- disable_ctrlc(prev);
- return 0;
- }
- static void console_putc(int file, const char c)
- {
- int i;
- struct stdio_dev *dev;
- for (i = 0; i < cd_count[file]; i++) {
- dev = console_devices[file][i];
- if (dev->putc != NULL)
- dev->putc(dev, c);
- }
- }
- /**
- * console_puts_select() - Output a string to all console devices
- *
- * @file: File number to output to (e,g, stdout, see stdio.h)
- * @serial_only: true to output only to serial, false to output to everything
- * else
- * @s: String to output
- */
- static void console_puts_select(int file, bool serial_only, const char *s)
- {
- int i;
- struct stdio_dev *dev;
- for (i = 0; i < cd_count[file]; i++) {
- bool is_serial;
- dev = console_devices[file][i];
- is_serial = console_dev_is_serial(dev);
- if (dev->puts && serial_only == is_serial)
- dev->puts(dev, s);
- }
- }
- void console_puts_select_stderr(bool serial_only, const char *s)
- {
- console_puts_select(stderr, serial_only, s);
- }
- static void console_puts(int file, const char *s)
- {
- int i;
- struct stdio_dev *dev;
- for (i = 0; i < cd_count[file]; i++) {
- dev = console_devices[file][i];
- if (dev->puts != NULL)
- dev->puts(dev, s);
- }
- }
- #if CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV)
- static inline void console_doenv(int file, struct stdio_dev *dev)
- {
- iomux_doenv(file, dev->name);
- }
- #endif
- #else
- static inline int console_getc(int file)
- {
- return stdio_devices[file]->getc(stdio_devices[file]);
- }
- static inline int console_tstc(int file)
- {
- return stdio_devices[file]->tstc(stdio_devices[file]);
- }
- static inline void console_putc(int file, const char c)
- {
- stdio_devices[file]->putc(stdio_devices[file], c);
- }
- void console_puts_select(int file, bool serial_only, const char *s)
- {
- if (serial_only == console_dev_is_serial(stdio_devices[file]))
- stdio_devices[file]->puts(stdio_devices[file], s);
- }
- static inline void console_puts(int file, const char *s)
- {
- stdio_devices[file]->puts(stdio_devices[file], s);
- }
- #if CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV)
- static inline void console_doenv(int file, struct stdio_dev *dev)
- {
- console_setfile(file, dev);
- }
- #endif
- #endif /* CONIFIG_IS_ENABLED(CONSOLE_MUX) */
- /** U-Boot INITIAL CONSOLE-NOT COMPATIBLE FUNCTIONS *************************/
- int serial_printf(const char *fmt, ...)
- {
- va_list args;
- uint i;
- char printbuffer[CONFIG_SYS_PBSIZE];
- va_start(args, fmt);
- /* For this to work, printbuffer must be larger than
- * anything we ever want to print.
- */
- i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
- va_end(args);
- serial_puts(printbuffer);
- return i;
- }
- int fgetc(int file)
- {
- if (file < MAX_FILES) {
- /*
- * Effectively poll for input wherever it may be available.
- */
- for (;;) {
- WATCHDOG_RESET();
- #if CONFIG_IS_ENABLED(CONSOLE_MUX)
- /*
- * Upper layer may have already called tstc() so
- * check for that first.
- */
- if (tstcdev != NULL)
- return console_getc(file);
- console_tstc(file);
- #else
- if (console_tstc(file))
- return console_getc(file);
- #endif
- #ifdef CONFIG_WATCHDOG
- /*
- * If the watchdog must be rate-limited then it should
- * already be handled in board-specific code.
- */
- udelay(1);
- #endif
- }
- }
- return -1;
- }
- int ftstc(int file)
- {
- if (file < MAX_FILES)
- return console_tstc(file);
- return -1;
- }
- void fputc(int file, const char c)
- {
- if (file < MAX_FILES)
- console_putc(file, c);
- }
- void fputs(int file, const char *s)
- {
- if (file < MAX_FILES)
- console_puts(file, s);
- }
- int fprintf(int file, const char *fmt, ...)
- {
- va_list args;
- uint i;
- char printbuffer[CONFIG_SYS_PBSIZE];
- va_start(args, fmt);
- /* For this to work, printbuffer must be larger than
- * anything we ever want to print.
- */
- i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
- va_end(args);
- /* Send to desired file */
- fputs(file, printbuffer);
- return i;
- }
- /** U-Boot INITIAL CONSOLE-COMPATIBLE FUNCTION *****************************/
- int getc(void)
- {
- #ifdef CONFIG_DISABLE_CONSOLE
- if (gd->flags & GD_FLG_DISABLE_CONSOLE)
- return 0;
- #endif
- if (!gd->have_console)
- return 0;
- #ifdef CONFIG_CONSOLE_RECORD
- if (gd->console_in.start) {
- int ch;
- ch = membuff_getbyte((struct membuff *)&gd->console_in);
- if (ch != -1)
- return 1;
- }
- #endif
- if (gd->flags & GD_FLG_DEVINIT) {
- /* Get from the standard input */
- return fgetc(stdin);
- }
- /* Send directly to the handler */
- return serial_getc();
- }
- int tstc(void)
- {
- #ifdef CONFIG_DISABLE_CONSOLE
- if (gd->flags & GD_FLG_DISABLE_CONSOLE)
- return 0;
- #endif
- if (!gd->have_console)
- return 0;
- #ifdef CONFIG_CONSOLE_RECORD
- if (gd->console_in.start) {
- if (membuff_peekbyte((struct membuff *)&gd->console_in) != -1)
- return 1;
- }
- #endif
- if (gd->flags & GD_FLG_DEVINIT) {
- /* Test the standard input */
- return ftstc(stdin);
- }
- /* Send directly to the handler */
- return serial_tstc();
- }
- #define PRE_CONSOLE_FLUSHPOINT1_SERIAL 0
- #define PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL 1
- #if CONFIG_IS_ENABLED(PRE_CONSOLE_BUFFER)
- #define CIRC_BUF_IDX(idx) ((idx) % (unsigned long)CONFIG_PRE_CON_BUF_SZ)
- static void pre_console_putc(const char c)
- {
- char *buffer;
- buffer = map_sysmem(CONFIG_PRE_CON_BUF_ADDR, CONFIG_PRE_CON_BUF_SZ);
- buffer[CIRC_BUF_IDX(gd->precon_buf_idx++)] = c;
- unmap_sysmem(buffer);
- }
- static void pre_console_puts(const char *s)
- {
- while (*s)
- pre_console_putc(*s++);
- }
- static void print_pre_console_buffer(int flushpoint)
- {
- unsigned long in = 0, out = 0;
- char buf_out[CONFIG_PRE_CON_BUF_SZ + 1];
- char *buf_in;
- #ifdef CONFIG_SILENT_CONSOLE
- if (gd->flags & GD_FLG_SILENT)
- return;
- #endif
- buf_in = map_sysmem(CONFIG_PRE_CON_BUF_ADDR, CONFIG_PRE_CON_BUF_SZ);
- if (gd->precon_buf_idx > CONFIG_PRE_CON_BUF_SZ)
- in = gd->precon_buf_idx - CONFIG_PRE_CON_BUF_SZ;
- while (in < gd->precon_buf_idx)
- buf_out[out++] = buf_in[CIRC_BUF_IDX(in++)];
- unmap_sysmem(buf_in);
- buf_out[out] = 0;
- switch (flushpoint) {
- case PRE_CONSOLE_FLUSHPOINT1_SERIAL:
- puts(buf_out);
- break;
- case PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL:
- console_puts_select(stdout, false, buf_out);
- break;
- }
- }
- #else
- static inline void pre_console_putc(const char c) {}
- static inline void pre_console_puts(const char *s) {}
- static inline void print_pre_console_buffer(int flushpoint) {}
- #endif
- void putc(const char c)
- {
- #ifdef CONFIG_SANDBOX
- /* sandbox can send characters to stdout before it has a console */
- if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
- os_putc(c);
- return;
- }
- #endif
- #ifdef CONFIG_DEBUG_UART
- /* if we don't have a console yet, use the debug UART */
- if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
- printch(c);
- return;
- }
- #endif
- if (!gd)
- return;
- #ifdef CONFIG_CONSOLE_RECORD
- if ((gd->flags & GD_FLG_RECORD) && gd->console_out.start)
- membuff_putbyte((struct membuff *)&gd->console_out, c);
- #endif
- #ifdef CONFIG_SILENT_CONSOLE
- if (gd->flags & GD_FLG_SILENT) {
- if (!(gd->flags & GD_FLG_DEVINIT))
- pre_console_putc(c);
- return;
- }
- #endif
- #ifdef CONFIG_DISABLE_CONSOLE
- if (gd->flags & GD_FLG_DISABLE_CONSOLE)
- return;
- #endif
- if (!gd->have_console)
- return pre_console_putc(c);
- if (gd->flags & GD_FLG_DEVINIT) {
- /* Send to the standard output */
- fputc(stdout, c);
- } else {
- /* Send directly to the handler */
- pre_console_putc(c);
- serial_putc(c);
- }
- }
- void puts(const char *s)
- {
- #ifdef CONFIG_SANDBOX
- /* sandbox can send characters to stdout before it has a console */
- if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
- os_puts(s);
- return;
- }
- #endif
- #ifdef CONFIG_DEBUG_UART
- if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
- while (*s) {
- int ch = *s++;
- printch(ch);
- }
- return;
- }
- #endif
- if (!gd)
- return;
- #ifdef CONFIG_CONSOLE_RECORD
- if ((gd->flags & GD_FLG_RECORD) && gd->console_out.start)
- membuff_put((struct membuff *)&gd->console_out, s, strlen(s));
- #endif
- #ifdef CONFIG_SILENT_CONSOLE
- if (gd->flags & GD_FLG_SILENT) {
- if (!(gd->flags & GD_FLG_DEVINIT))
- pre_console_puts(s);
- return;
- }
- #endif
- #ifdef CONFIG_DISABLE_CONSOLE
- if (gd->flags & GD_FLG_DISABLE_CONSOLE)
- return;
- #endif
- if (!gd->have_console)
- return pre_console_puts(s);
- if (gd->flags & GD_FLG_DEVINIT) {
- /* Send to the standard output */
- fputs(stdout, s);
- } else {
- /* Send directly to the handler */
- pre_console_puts(s);
- serial_puts(s);
- }
- }
- #ifdef CONFIG_CONSOLE_RECORD
- int console_record_init(void)
- {
- int ret;
- ret = membuff_new((struct membuff *)&gd->console_out,
- CONFIG_CONSOLE_RECORD_OUT_SIZE);
- if (ret)
- return ret;
- ret = membuff_new((struct membuff *)&gd->console_in,
- CONFIG_CONSOLE_RECORD_IN_SIZE);
- return ret;
- }
- void console_record_reset(void)
- {
- membuff_purge((struct membuff *)&gd->console_out);
- membuff_purge((struct membuff *)&gd->console_in);
- }
- int console_record_reset_enable(void)
- {
- console_record_reset();
- gd->flags |= GD_FLG_RECORD;
- return 0;
- }
- int console_record_readline(char *str, int maxlen)
- {
- return membuff_readline((struct membuff *)&gd->console_out, str,
- maxlen, ' ');
- }
- int console_record_avail(void)
- {
- return membuff_avail((struct membuff *)&gd->console_out);
- }
- #endif
- /* test if ctrl-c was pressed */
- static int ctrlc_disabled = 0; /* see disable_ctrl() */
- static int ctrlc_was_pressed = 0;
- int ctrlc(void)
- {
- if (!ctrlc_disabled && gd->have_console) {
- if (tstc()) {
- switch (getc()) {
- case 0x03: /* ^C - Control C */
- ctrlc_was_pressed = 1;
- return 1;
- default:
- break;
- }
- }
- }
- return 0;
- }
- /* Reads user's confirmation.
- Returns 1 if user's input is "y", "Y", "yes" or "YES"
- */
- int confirm_yesno(void)
- {
- int i;
- char str_input[5];
- /* Flush input */
- while (tstc())
- getc();
- i = 0;
- while (i < sizeof(str_input)) {
- str_input[i] = getc();
- putc(str_input[i]);
- if (str_input[i] == '\r')
- break;
- i++;
- }
- putc('\n');
- if (strncmp(str_input, "y\r", 2) == 0 ||
- strncmp(str_input, "Y\r", 2) == 0 ||
- strncmp(str_input, "yes\r", 4) == 0 ||
- strncmp(str_input, "YES\r", 4) == 0)
- return 1;
- return 0;
- }
- /* pass 1 to disable ctrlc() checking, 0 to enable.
- * returns previous state
- */
- int disable_ctrlc(int disable)
- {
- int prev = ctrlc_disabled; /* save previous state */
- ctrlc_disabled = disable;
- return prev;
- }
- int had_ctrlc (void)
- {
- return ctrlc_was_pressed;
- }
- void clear_ctrlc(void)
- {
- ctrlc_was_pressed = 0;
- }
- /** U-Boot INIT FUNCTIONS *************************************************/
- struct stdio_dev *search_device(int flags, const char *name)
- {
- struct stdio_dev *dev;
- dev = stdio_get_by_name(name);
- #ifdef CONFIG_VIDCONSOLE_AS_LCD
- if (!dev && !strcmp(name, CONFIG_VIDCONSOLE_AS_NAME))
- dev = stdio_get_by_name("vidconsole");
- #endif
- if (dev && (dev->flags & flags))
- return dev;
- return NULL;
- }
- int console_assign(int file, const char *devname)
- {
- int flag;
- struct stdio_dev *dev;
- /* Check for valid file */
- switch (file) {
- case stdin:
- flag = DEV_FLAGS_INPUT;
- break;
- case stdout:
- case stderr:
- flag = DEV_FLAGS_OUTPUT;
- break;
- default:
- return -1;
- }
- /* Check for valid device name */
- dev = search_device(flag, devname);
- if (dev)
- return console_setfile(file, dev);
- return -1;
- }
- /* return true if the 'silent' flag is removed */
- static bool console_update_silent(void)
- {
- #ifdef CONFIG_SILENT_CONSOLE
- if (env_get("silent")) {
- gd->flags |= GD_FLG_SILENT;
- } else {
- unsigned long flags = gd->flags;
- gd->flags &= ~GD_FLG_SILENT;
- return !!(flags & GD_FLG_SILENT);
- }
- #endif
- return false;
- }
- int console_announce_r(void)
- {
- #if !CONFIG_IS_ENABLED(PRE_CONSOLE_BUFFER)
- char buf[DISPLAY_OPTIONS_BANNER_LENGTH];
- display_options_get_banner(false, buf, sizeof(buf));
- console_puts_select(stdout, false, buf);
- #endif
- return 0;
- }
- /* Called before relocation - use serial functions */
- int console_init_f(void)
- {
- gd->have_console = 1;
- console_update_silent();
- print_pre_console_buffer(PRE_CONSOLE_FLUSHPOINT1_SERIAL);
- return 0;
- }
- void stdio_print_current_devices(void)
- {
- /* Print information */
- puts("In: ");
- if (stdio_devices[stdin] == NULL) {
- puts("No input devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stdin]->name);
- }
- puts("Out: ");
- if (stdio_devices[stdout] == NULL) {
- puts("No output devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stdout]->name);
- }
- puts("Err: ");
- if (stdio_devices[stderr] == NULL) {
- puts("No error devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stderr]->name);
- }
- }
- #if CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV)
- /* Called after the relocation - use desired console functions */
- int console_init_r(void)
- {
- char *stdinname, *stdoutname, *stderrname;
- struct stdio_dev *inputdev = NULL, *outputdev = NULL, *errdev = NULL;
- #ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
- int i;
- #endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
- #if CONFIG_IS_ENABLED(CONSOLE_MUX)
- int iomux_err = 0;
- #endif
- int flushpoint;
- /* update silent for env loaded from flash (initr_env) */
- if (console_update_silent())
- flushpoint = PRE_CONSOLE_FLUSHPOINT1_SERIAL;
- else
- flushpoint = PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL;
- /* set default handlers at first */
- gd->jt->getc = serial_getc;
- gd->jt->tstc = serial_tstc;
- gd->jt->putc = serial_putc;
- gd->jt->puts = serial_puts;
- gd->jt->printf = serial_printf;
- /* stdin stdout and stderr are in environment */
- /* scan for it */
- stdinname = env_get("stdin");
- stdoutname = env_get("stdout");
- stderrname = env_get("stderr");
- if (OVERWRITE_CONSOLE == 0) { /* if not overwritten by config switch */
- inputdev = search_device(DEV_FLAGS_INPUT, stdinname);
- outputdev = search_device(DEV_FLAGS_OUTPUT, stdoutname);
- errdev = search_device(DEV_FLAGS_OUTPUT, stderrname);
- #if CONFIG_IS_ENABLED(CONSOLE_MUX)
- iomux_err = iomux_doenv(stdin, stdinname);
- iomux_err += iomux_doenv(stdout, stdoutname);
- iomux_err += iomux_doenv(stderr, stderrname);
- if (!iomux_err)
- /* Successful, so skip all the code below. */
- goto done;
- #endif
- }
- /* if the devices are overwritten or not found, use default device */
- if (inputdev == NULL) {
- inputdev = search_device(DEV_FLAGS_INPUT, "serial");
- }
- if (outputdev == NULL) {
- outputdev = search_device(DEV_FLAGS_OUTPUT, "serial");
- }
- if (errdev == NULL) {
- errdev = search_device(DEV_FLAGS_OUTPUT, "serial");
- }
- /* Initializes output console first */
- if (outputdev != NULL) {
- /* need to set a console if not done above. */
- console_doenv(stdout, outputdev);
- }
- if (errdev != NULL) {
- /* need to set a console if not done above. */
- console_doenv(stderr, errdev);
- }
- if (inputdev != NULL) {
- /* need to set a console if not done above. */
- console_doenv(stdin, inputdev);
- }
- #if CONFIG_IS_ENABLED(CONSOLE_MUX)
- done:
- #endif
- #ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
- stdio_print_current_devices();
- #endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
- #ifdef CONFIG_VIDCONSOLE_AS_LCD
- if (strstr(stdoutname, CONFIG_VIDCONSOLE_AS_NAME))
- printf("Warning: Please change '%s' to 'vidconsole' in stdout/stderr environment vars\n",
- CONFIG_VIDCONSOLE_AS_NAME);
- #endif
- #ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
- /* set the environment variables (will overwrite previous env settings) */
- for (i = 0; i < MAX_FILES; i++) {
- env_set(stdio_names[i], stdio_devices[i]->name);
- }
- #endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
- gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
- #if 0
- /* If nothing usable installed, use only the initial console */
- if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
- return 0;
- #endif
- print_pre_console_buffer(flushpoint);
- return 0;
- }
- #else /* !CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV) */
- /* Called after the relocation - use desired console functions */
- int console_init_r(void)
- {
- struct stdio_dev *inputdev = NULL, *outputdev = NULL;
- int i;
- struct list_head *list = stdio_get_list();
- struct list_head *pos;
- struct stdio_dev *dev;
- int flushpoint;
- /* update silent for env loaded from flash (initr_env) */
- if (console_update_silent())
- flushpoint = PRE_CONSOLE_FLUSHPOINT1_SERIAL;
- else
- flushpoint = PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL;
- #ifdef CONFIG_SPLASH_SCREEN
- /*
- * suppress all output if splash screen is enabled and we have
- * a bmp to display. We redirect the output from frame buffer
- * console to serial console in this case or suppress it if
- * "silent" mode was requested.
- */
- if (env_get("splashimage") != NULL) {
- if (!(gd->flags & GD_FLG_SILENT))
- outputdev = search_device (DEV_FLAGS_OUTPUT, "serial");
- }
- #endif
- /* Scan devices looking for input and output devices */
- list_for_each(pos, list) {
- dev = list_entry(pos, struct stdio_dev, list);
- if ((dev->flags & DEV_FLAGS_INPUT) && (inputdev == NULL)) {
- inputdev = dev;
- }
- if ((dev->flags & DEV_FLAGS_OUTPUT) && (outputdev == NULL)) {
- outputdev = dev;
- }
- if(inputdev && outputdev)
- break;
- }
- /* Initializes output console first */
- if (outputdev != NULL) {
- console_setfile(stdout, outputdev);
- console_setfile(stderr, outputdev);
- #if CONFIG_IS_ENABLED(CONSOLE_MUX)
- console_devices[stdout][0] = outputdev;
- console_devices[stderr][0] = outputdev;
- #endif
- }
- /* Initializes input console */
- if (inputdev != NULL) {
- console_setfile(stdin, inputdev);
- #if CONFIG_IS_ENABLED(CONSOLE_MUX)
- console_devices[stdin][0] = inputdev;
- #endif
- }
- #ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
- stdio_print_current_devices();
- #endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
- /* Setting environment variables */
- for (i = 0; i < MAX_FILES; i++) {
- env_set(stdio_names[i], stdio_devices[i]->name);
- }
- gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
- #if 0
- /* If nothing usable installed, use only the initial console */
- if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
- return 0;
- #endif
- print_pre_console_buffer(flushpoint);
- return 0;
- }
- #endif /* CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV) */
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