From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
roms/u-boot/common/console.c | 1097 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 1097 insertions(+)
create mode 100644 roms/u-boot/common/console.c
(limited to 'roms/u-boot/common/console.c')
diff --git a/roms/u-boot/common/console.c b/roms/u-boot/common/console.c
new file mode 100644
index 000000000..561cdf36a
--- /dev/null
+++ b/roms/u-boot/common/console.c
@@ -0,0 +1,1097 @@
+// 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 <asm/global_data.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;
+ }
+
+ 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;
+
+ if (!CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_RELOC))
+ if ((flags & H_INTERACTIVE) == 0)
+ return 0;
+
+ if (value != NULL)
+ gd->flags |= GD_FLG_SILENT;
+ else
+ gd->flags &= ~GD_FLG_SILENT;
+
+ return 0;
+}
+U_BOOT_ENV_CALLBACK(silent, on_silent);
+#endif
+
+#ifdef CONFIG_CONSOLE_RECORD
+/* helper function: access to gd->console_out and gd->console_in */
+static void console_record_putc(const char c)
+{
+ if (!(gd->flags & GD_FLG_RECORD))
+ return;
+ if (gd->console_out.start)
+ membuff_putbyte((struct membuff *)&gd->console_out, c);
+}
+
+static void console_record_puts(const char *s)
+{
+ if (!(gd->flags & GD_FLG_RECORD))
+ return;
+ if (gd->console_out.start)
+ membuff_put((struct membuff *)&gd->console_out, s, strlen(s));
+}
+
+static int console_record_getc(void)
+{
+ if (!(gd->flags & GD_FLG_RECORD))
+ return -1;
+ if (!gd->console_in.start)
+ return -1;
+
+ return membuff_getbyte((struct membuff *)&gd->console_in);
+}
+
+static int console_record_tstc(void)
+{
+ if (!(gd->flags & GD_FLG_RECORD))
+ return 0;
+ if (gd->console_in.start) {
+ if (membuff_peekbyte((struct membuff *)&gd->console_in) != -1)
+ return 1;
+ }
+ return 0;
+}
+#else
+static void console_record_putc(char c)
+{
+}
+
+static void console_record_puts(const char *s)
+{
+}
+
+static int console_record_getc(void)
+{
+ return -1;
+}
+
+static int console_record_tstc(void)
+{
+ return 0;
+}
+#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:
+ error = console_start(file, dev);
+ if (error)
+ 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 = getchar;
+ 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;
+
+ if (IS_ENABLED(CONFIG_DM_SERIAL) && (sdev->flags & DEV_FLAGS_DM)) {
+ struct udevice *dev = sdev->priv;
+
+ is_serial = device_get_uclass_id(dev) == UCLASS_SERIAL;
+ } else {
+ is_serial = !strcmp(sdev->name, "serial");
+ }
+
+ return is_serial;
+}
+
+#if CONFIG_IS_ENABLED(CONSOLE_MUX)
+/** Console I/O multiplexing *******************************************/
+
+/* tstcdev: save the last stdio device with pending characters, with tstc != 0 */
+static struct stdio_dev *tstcdev;
+struct stdio_dev **console_devices[MAX_FILES];
+int cd_count[MAX_FILES];
+
+static void console_devices_set(int file, struct stdio_dev *dev)
+{
+ console_devices[file][0] = dev;
+ cd_count[file] = 1;
+}
+
+/**
+ * console_needs_start_stop() - check if we need to start or stop the STDIO device
+ * @file: STDIO file
+ * @sdev: STDIO device in question
+ *
+ * This function checks if we need to start or stop the stdio device used for
+ * a console. For IOMUX case it simply enforces one time start and one time
+ * stop of the device independently of how many STDIO files are using it. In
+ * other words, we start console once before first STDIO device wants it and
+ * stop after the last is gone.
+ */
+static bool console_needs_start_stop(int file, struct stdio_dev *sdev)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cd_count); i++) {
+ if (i == file)
+ continue;
+
+ if (iomux_match_device(console_devices[i], cd_count[i], sdev) >= 0)
+ return false;
+ }
+ return true;
+}
+
+/*
+ * This depends on tstc() always being called before getchar().
+ * 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;
+}
+
+/* Upper layer may have already called tstc(): check the saved result */
+static bool console_has_tstc(void)
+{
+ return !!tstcdev;
+}
+
+static int console_tstc(int file)
+{
+ int i, ret;
+ struct stdio_dev *dev;
+ int prev;
+
+ prev = disable_ctrlc(1);
+ for_each_console_dev(i, file, dev) {
+ 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_each_console_dev(i, file, dev) {
+ 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_each_console_dev(i, file, dev) {
+ bool 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_each_console_dev(i, file, dev) {
+ 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 void console_devices_set(int file, struct stdio_dev *dev)
+{
+}
+
+static inline bool console_needs_start_stop(int file, struct stdio_dev *sdev)
+{
+ return true;
+}
+
+static inline int console_getc(int file)
+{
+ return stdio_devices[file]->getc(stdio_devices[file]);
+}
+
+static bool console_has_tstc(void)
+{
+ return false;
+}
+
+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) */
+
+static void __maybe_unused console_setfile_and_devices(int file, struct stdio_dev *dev)
+{
+ console_setfile(file, dev);
+ console_devices_set(file, dev);
+}
+
+int console_start(int file, struct stdio_dev *sdev)
+{
+ int error;
+
+ if (!console_needs_start_stop(file, sdev))
+ return 0;
+
+ /* Start new device */
+ if (sdev->start) {
+ error = sdev->start(sdev);
+ /* If it's not started don't use it */
+ if (error < 0)
+ return error;
+ }
+ return 0;
+}
+
+void console_stop(int file, struct stdio_dev *sdev)
+{
+ if (!console_needs_start_stop(file, sdev))
+ return;
+
+ if (sdev->stop)
+ sdev->stop(sdev);
+}
+
+/** 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 (console_has_tstc())
+ return console_getc(file);
+ console_tstc(file);
+ } else {
+ if (console_tstc(file))
+ return console_getc(file);
+ }
+
+ /*
+ * If the watchdog must be rate-limited then it should
+ * already be handled in board-specific code.
+ */
+ if (IS_ENABLED(CONFIG_WATCHDOG))
+ udelay(1);
+ }
+ }
+
+ 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 getchar(void)
+{
+ int ch;
+
+ if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
+ return 0;
+
+ if (!gd->have_console)
+ return 0;
+
+ ch = console_record_getc();
+ if (ch != -1)
+ return ch;
+
+ 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)
+{
+ if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
+ return 0;
+
+ if (!gd->have_console)
+ return 0;
+
+ if (console_record_tstc())
+ return 1;
+
+ 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;
+
+ if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT))
+ return;
+
+ 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)
+{
+ if (!gd)
+ return;
+
+ console_record_putc(c);
+
+ /* sandbox can send characters to stdout before it has a console */
+ if (IS_ENABLED(CONFIG_SANDBOX) && !(gd->flags & GD_FLG_SERIAL_READY)) {
+ os_putc(c);
+ return;
+ }
+
+ /* if we don't have a console yet, use the debug UART */
+ if (IS_ENABLED(CONFIG_DEBUG_UART) && !(gd->flags & GD_FLG_SERIAL_READY)) {
+ printch(c);
+ return;
+ }
+
+ if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT)) {
+ if (!(gd->flags & GD_FLG_DEVINIT))
+ pre_console_putc(c);
+ return;
+ }
+
+ if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
+ return;
+
+ 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)
+{
+ if (!gd)
+ return;
+
+ console_record_puts(s);
+
+ /* sandbox can send characters to stdout before it has a console */
+ if (IS_ENABLED(CONFIG_SANDBOX) && !(gd->flags & GD_FLG_SERIAL_READY)) {
+ os_puts(s);
+ return;
+ }
+
+ if (IS_ENABLED(CONFIG_DEBUG_UART) && !(gd->flags & GD_FLG_SERIAL_READY)) {
+ while (*s) {
+ int ch = *s++;
+
+ printch(ch);
+ }
+ return;
+ }
+
+ if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT)) {
+ if (!(gd->flags & GD_FLG_DEVINIT))
+ pre_console_puts(s);
+ return;
+ }
+
+ if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
+ return;
+
+ 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 (getchar()) {
+ 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())
+ getchar();
+ i = 0;
+ while (i < sizeof(str_input)) {
+ str_input[i] = getchar();
+ 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 *console_search_dev(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 */
+ flag = stdio_file_to_flags(file);
+ if (flag < 0)
+ return flag;
+
+ /* Check for valid device name */
+
+ dev = console_search_dev(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)
+{
+ unsigned long flags = gd->flags;
+
+ if (!IS_ENABLED(CONFIG_SILENT_CONSOLE))
+ return false;
+
+ if (env_get("silent")) {
+ gd->flags |= GD_FLG_SILENT;
+ return false;
+ }
+
+ gd->flags &= ~GD_FLG_SILENT;
+
+ return !!(flags & GD_FLG_SILENT);
+}
+
+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;
+ int i;
+ int iomux_err = 0;
+ 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 = console_search_dev(DEV_FLAGS_INPUT, stdinname);
+ outputdev = console_search_dev(DEV_FLAGS_OUTPUT, stdoutname);
+ errdev = console_search_dev(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;
+ }
+ }
+ /* if the devices are overwritten or not found, use default device */
+ if (inputdev == NULL) {
+ inputdev = console_search_dev(DEV_FLAGS_INPUT, "serial");
+ }
+ if (outputdev == NULL) {
+ outputdev = console_search_dev(DEV_FLAGS_OUTPUT, "serial");
+ }
+ if (errdev == NULL) {
+ errdev = console_search_dev(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);
+ }
+
+done:
+
+ if (!IS_ENABLED(CONFIG_SYS_CONSOLE_INFO_QUIET))
+ stdio_print_current_devices();
+
+#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
+
+ if (IS_ENABLED(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);
+ }
+
+ gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
+
+ 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;
+
+ /*
+ * 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 (IS_ENABLED(CONFIG_SPLASH_SCREEN) && env_get("splashimage")) {
+ if (!(gd->flags & GD_FLG_SILENT))
+ outputdev = console_search_dev (DEV_FLAGS_OUTPUT, "serial");
+ }
+
+ /* 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_and_devices(stdout, outputdev);
+ console_setfile_and_devices(stderr, outputdev);
+ }
+
+ /* Initializes input console */
+ if (inputdev != NULL)
+ console_setfile_and_devices(stdin, inputdev);
+
+ if (!IS_ENABLED(CONFIG_SYS_CONSOLE_INFO_QUIET))
+ stdio_print_current_devices();
+
+ /* 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 */
+
+ print_pre_console_buffer(flushpoint);
+ return 0;
+}
+
+#endif /* CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV) */
--
cgit