#include <common.h>
#include <stdarg.h>
#include <malloc.h>
-#include <console.h>
+#include <stdio_dev.h>
#include <exports.h>
DECLARE_GLOBAL_DATA_PTR;
int console_changed = 0;
#endif
-#ifdef CFG_CONSOLE_IS_IN_ENV
+#ifdef CONFIG_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 CFG_CONSOLE_OVERWRITE_ROUTINE
-extern int overwrite_console (void);
-#define OVERWRITE_CONSOLE overwrite_console ()
+#ifdef CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
+extern int overwrite_console(void);
+#define OVERWRITE_CONSOLE overwrite_console()
#else
#define OVERWRITE_CONSOLE 0
-#endif /* CFG_CONSOLE_OVERWRITE_ROUTINE */
+#endif /* CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE */
-#endif /* CFG_CONSOLE_IS_IN_ENV */
+#endif /* CONFIG_SYS_CONSOLE_IS_IN_ENV */
-static int console_setfile (int file, device_t * dev)
+static int console_setfile(int file, struct stdio_dev * dev)
{
int error = 0;
case stderr:
/* Start new device */
if (dev->start) {
- error = dev->start ();
+ error = dev->start();
/* If it's not started dont use it */
if (error < 0)
break;
return error;
}
+#if defined(CONFIG_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 = NULL;
+ return ret;
+}
+
+static int console_tstc(int file)
+{
+ int i, ret;
+ struct stdio_dev *dev;
+
+ disable_ctrlc(1);
+ for (i = 0; i < cd_count[file]; i++) {
+ dev = console_devices[file][i];
+ if (dev->tstc != NULL) {
+ ret = dev->tstc();
+ if (ret > 0) {
+ tstcdev = dev;
+ disable_ctrlc(0);
+ return ret;
+ }
+ }
+ }
+ disable_ctrlc(0);
+
+ 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(c);
+ }
+}
+
+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(s);
+ }
+}
+
+static inline void console_printdevs(int file)
+{
+ iomux_printdevs(file);
+}
+
+static inline void console_doenv(int file, struct stdio_dev *dev)
+{
+ iomux_doenv(file, dev->name);
+}
+#else
+static inline int console_getc(int file)
+{
+ return stdio_devices[file]->getc();
+}
+
+static inline int console_tstc(int file)
+{
+ return stdio_devices[file]->tstc();
+}
+
+static inline void console_putc(int file, const char c)
+{
+ stdio_devices[file]->putc(c);
+}
+
+static inline void console_puts(int file, const char *s)
+{
+ stdio_devices[file]->puts(s);
+}
+
+static inline void console_printdevs(int file)
+{
+ printf("%s\n", stdio_devices[file]->name);
+}
+
+static inline void console_doenv(int file, struct stdio_dev *dev)
+{
+ console_setfile(file, dev);
+}
+#endif /* defined(CONFIG_CONSOLE_MUX) */
+
/** U-Boot INITIAL CONSOLE-NOT COMPATIBLE FUNCTIONS *************************/
-void serial_printf (const char *fmt, ...)
+void serial_printf(const char *fmt, ...)
{
va_list args;
uint i;
- char printbuffer[CFG_PBSIZE];
+ char printbuffer[CONFIG_SYS_PBSIZE];
- va_start (args, fmt);
+ va_start(args, fmt);
/* For this to work, printbuffer must be larger than
* anything we ever want to print.
*/
- i = vsprintf (printbuffer, fmt, args);
- va_end (args);
+ i = vsprintf(printbuffer, fmt, args);
+ va_end(args);
- serial_puts (printbuffer);
+ serial_puts(printbuffer);
}
-int fgetc (int file)
+int fgetc(int file)
{
- if (file < MAX_FILES)
- return stdio_devices[file]->getc ();
+ if (file < MAX_FILES) {
+#if defined(CONFIG_CONSOLE_MUX)
+ /*
+ * Effectively poll for input wherever it may be available.
+ */
+ for (;;) {
+ /*
+ * Upper layer may have already called tstc() so
+ * check for that first.
+ */
+ if (tstcdev != NULL)
+ return console_getc(file);
+ console_tstc(file);
+#ifdef CONFIG_WATCHDOG
+ /*
+ * If the watchdog must be rate-limited then it should
+ * already be handled in board-specific code.
+ */
+ udelay(1);
+#endif
+ }
+#else
+ return console_getc(file);
+#endif
+ }
return -1;
}
-int ftstc (int file)
+int ftstc(int file)
{
if (file < MAX_FILES)
- return stdio_devices[file]->tstc ();
+ return console_tstc(file);
return -1;
}
-void fputc (int file, const char c)
+void fputc(int file, const char c)
{
if (file < MAX_FILES)
- stdio_devices[file]->putc (c);
+ console_putc(file, c);
}
-void fputs (int file, const char *s)
+void fputs(int file, const char *s)
{
if (file < MAX_FILES)
- stdio_devices[file]->puts (s);
+ console_puts(file, s);
}
-void fprintf (int file, const char *fmt, ...)
+void fprintf(int file, const char *fmt, ...)
{
va_list args;
uint i;
- char printbuffer[CFG_PBSIZE];
+ char printbuffer[CONFIG_SYS_PBSIZE];
- va_start (args, fmt);
+ va_start(args, fmt);
/* For this to work, printbuffer must be larger than
* anything we ever want to print.
*/
- i = vsprintf (printbuffer, fmt, args);
- va_end (args);
+ i = vsprintf(printbuffer, fmt, args);
+ va_end(args);
/* Send to desired file */
- fputs (file, printbuffer);
+ fputs(file, printbuffer);
}
/** U-Boot INITIAL CONSOLE-COMPATIBLE FUNCTION *****************************/
-int getc (void)
+int getc(void)
{
+#ifdef CONFIG_DISABLE_CONSOLE
+ if (gd->flags & GD_FLG_DISABLE_CONSOLE)
+ return 0;
+#endif
+
if (gd->flags & GD_FLG_DEVINIT) {
/* Get from the standard input */
- return fgetc (stdin);
+ return fgetc(stdin);
}
/* Send directly to the handler */
- return serial_getc ();
+ return serial_getc();
}
-int tstc (void)
+int tstc(void)
{
+#ifdef CONFIG_DISABLE_CONSOLE
+ if (gd->flags & GD_FLG_DISABLE_CONSOLE)
+ return 0;
+#endif
+
if (gd->flags & GD_FLG_DEVINIT) {
/* Test the standard input */
- return ftstc (stdin);
+ return ftstc(stdin);
}
/* Send directly to the handler */
- return serial_tstc ();
+ return serial_tstc();
}
-void putc (const char c)
+void putc(const char c)
{
#ifdef CONFIG_SILENT_CONSOLE
if (gd->flags & GD_FLG_SILENT)
return;
#endif
+#ifdef CONFIG_DISABLE_CONSOLE
+ if (gd->flags & GD_FLG_DISABLE_CONSOLE)
+ return;
+#endif
+
if (gd->flags & GD_FLG_DEVINIT) {
/* Send to the standard output */
- fputc (stdout, c);
+ fputc(stdout, c);
} else {
/* Send directly to the handler */
- serial_putc (c);
+ serial_putc(c);
}
}
-void puts (const char *s)
+void puts(const char *s)
{
#ifdef CONFIG_SILENT_CONSOLE
if (gd->flags & GD_FLG_SILENT)
return;
#endif
+#ifdef CONFIG_DISABLE_CONSOLE
+ if (gd->flags & GD_FLG_DISABLE_CONSOLE)
+ return;
+#endif
+
if (gd->flags & GD_FLG_DEVINIT) {
/* Send to the standard output */
- fputs (stdout, s);
+ fputs(stdout, s);
} else {
/* Send directly to the handler */
- serial_puts (s);
+ serial_puts(s);
}
}
-void printf (const char *fmt, ...)
+void printf(const char *fmt, ...)
{
va_list args;
uint i;
- char printbuffer[CFG_PBSIZE];
+ char printbuffer[CONFIG_SYS_PBSIZE];
- va_start (args, fmt);
+ va_start(args, fmt);
/* For this to work, printbuffer must be larger than
* anything we ever want to print.
*/
- i = vsprintf (printbuffer, fmt, args);
- va_end (args);
+ i = vsprintf(printbuffer, fmt, args);
+ va_end(args);
/* Print the string */
- puts (printbuffer);
+ puts(printbuffer);
}
-void vprintf (const char *fmt, va_list args)
+void vprintf(const char *fmt, va_list args)
{
uint i;
- char printbuffer[CFG_PBSIZE];
+ char printbuffer[CONFIG_SYS_PBSIZE];
/* For this to work, printbuffer must be larger than
* anything we ever want to print.
*/
- i = vsprintf (printbuffer, fmt, args);
+ i = vsprintf(printbuffer, fmt, args);
/* Print the string */
- puts (printbuffer);
+ puts(printbuffer);
}
/* test if ctrl-c was pressed */
static int ctrlc_disabled = 0; /* see disable_ctrl() */
static int ctrlc_was_pressed = 0;
-int ctrlc (void)
+int ctrlc(void)
{
if (!ctrlc_disabled && gd->have_console) {
- if (tstc ()) {
- switch (getc ()) {
+ if (tstc()) {
+ switch (getc()) {
case 0x03: /* ^C - Control C */
ctrlc_was_pressed = 1;
return 1;
/* pass 1 to disable ctrlc() checking, 0 to enable.
* returns previous state
*/
-int disable_ctrlc (int disable)
+int disable_ctrlc(int disable)
{
int prev = ctrlc_disabled; /* save previous state */
return ctrlc_was_pressed;
}
-void clear_ctrlc (void)
+void clear_ctrlc(void)
{
ctrlc_was_pressed = 0;
}
{
va_list args;
uint i;
- char printbuffer[CFG_PBSIZE];
+ char printbuffer[CONFIG_SYS_PBSIZE];
if (!once) {
memset(screen, 0, sizeof(screen));
i = vsprintf(printbuffer, fmt, args);
va_end(args);
- if ((screen + sizeof(screen) - 1 - cursor) < strlen(printbuffer)+1) {
+ if ((screen + sizeof(screen) - 1 - cursor)
+ < strlen(printbuffer) + 1) {
memset(screen, 0, sizeof(screen));
cursor = screen;
}
/** U-Boot INIT FUNCTIONS *************************************************/
-int console_assign (int file, char *devname)
+struct stdio_dev *search_device(int flags, char *name)
{
- int flag, i;
+ struct stdio_dev *dev;
+
+ dev = stdio_get_by_name(name);
+
+ if (dev && (dev->flags & flags))
+ return dev;
+
+ return NULL;
+}
+
+int console_assign(int file, char *devname)
+{
+ int flag;
+ struct stdio_dev *dev;
/* Check for valid file */
switch (file) {
/* Check for valid device name */
- for (i = 1; i <= ListNumItems (devlist); i++) {
- device_t *dev = ListGetPtrToItem (devlist, i);
+ dev = search_device(flag, devname);
- if (strcmp (devname, dev->name) == 0) {
- if (dev->flags & flag)
- return console_setfile (file, dev);
-
- return -1;
- }
- }
+ if (dev)
+ return console_setfile(file, dev);
return -1;
}
/* Called before relocation - use serial functions */
-int console_init_f (void)
+int console_init_f(void)
{
gd->have_console = 1;
gd->flags |= GD_FLG_SILENT;
#endif
- return (0);
+ return 0;
}
-#if defined(CFG_CONSOLE_IS_IN_ENV) || defined(CONFIG_SPLASH_SCREEN) || defined(CONFIG_SILENT_CONSOLE)
-/* search a device */
-device_t *search_device (int flags, char *name)
+void stdio_print_current_devices(void)
{
- int i, items;
- device_t *dev = NULL;
+#ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
+ /* Print information */
+ puts("In: ");
+ if (stdio_devices[stdin] == NULL) {
+ puts("No input devices available!\n");
+ } else {
+ printf ("%s\n", stdio_devices[stdin]->name);
+ }
- items = ListNumItems (devlist);
- if (name == NULL)
- return dev;
+ puts("Out: ");
+ if (stdio_devices[stdout] == NULL) {
+ puts("No output devices available!\n");
+ } else {
+ printf ("%s\n", stdio_devices[stdout]->name);
+ }
- for (i = 1; i <= items; i++) {
- dev = ListGetPtrToItem (devlist, i);
- if ((dev->flags & flags) && (strcmp (name, dev->name) == 0)) {
- break;
- }
+ puts("Err: ");
+ if (stdio_devices[stderr] == NULL) {
+ puts("No error devices available!\n");
+ } else {
+ printf ("%s\n", stdio_devices[stderr]->name);
}
- return dev;
+#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
}
-#endif /* CFG_CONSOLE_IS_IN_ENV || CONFIG_SPLASH_SCREEN */
-#ifdef CFG_CONSOLE_IS_IN_ENV
+#ifdef CONFIG_SYS_CONSOLE_IS_IN_ENV
/* Called after the relocation - use desired console functions */
-int console_init_r (void)
+int console_init_r(void)
{
char *stdinname, *stdoutname, *stderrname;
- device_t *inputdev = NULL, *outputdev = NULL, *errdev = NULL;
-#ifdef CFG_CONSOLE_ENV_OVERWRITE
+ struct stdio_dev *inputdev = NULL, *outputdev = NULL, *errdev = NULL;
+#ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
int i;
-#endif /* CFG_CONSOLE_ENV_OVERWRITE */
+#endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
+#ifdef CONFIG_CONSOLE_MUX
+ int iomux_err = 0;
+#endif
/* set default handlers at first */
gd->jt[XF_getc] = serial_getc;
/* stdin stdout and stderr are in environment */
/* scan for it */
- stdinname = getenv ("stdin");
- stdoutname = getenv ("stdout");
- stderrname = getenv ("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);
+ stdinname = getenv("stdin");
+ stdoutname = getenv("stdout");
+ stderrname = getenv("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);
+#ifdef CONFIG_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");
+ inputdev = search_device(DEV_FLAGS_INPUT, "serial");
}
if (outputdev == NULL) {
- outputdev = search_device (DEV_FLAGS_OUTPUT, "serial");
+ outputdev = search_device(DEV_FLAGS_OUTPUT, "serial");
}
if (errdev == NULL) {
- errdev = search_device (DEV_FLAGS_OUTPUT, "serial");
+ errdev = search_device(DEV_FLAGS_OUTPUT, "serial");
}
/* Initializes output console first */
if (outputdev != NULL) {
- console_setfile (stdout, outputdev);
+ /* need to set a console if not done above. */
+ console_doenv(stdout, outputdev);
}
if (errdev != NULL) {
- console_setfile (stderr, errdev);
+ /* need to set a console if not done above. */
+ console_doenv(stderr, errdev);
}
if (inputdev != NULL) {
- console_setfile (stdin, inputdev);
+ /* need to set a console if not done above. */
+ console_doenv(stdin, inputdev);
}
- gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
-
-#ifndef CFG_CONSOLE_INFO_QUIET
- /* Print information */
- puts ("In: ");
- if (stdio_devices[stdin] == NULL) {
- puts ("No input devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stdin]->name);
- }
+#ifdef CONFIG_CONSOLE_MUX
+done:
+#endif
- puts ("Out: ");
- if (stdio_devices[stdout] == NULL) {
- puts ("No output devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stdout]->name);
- }
+ gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
- puts ("Err: ");
- if (stdio_devices[stderr] == NULL) {
- puts ("No error devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stderr]->name);
- }
-#endif /* CFG_CONSOLE_INFO_QUIET */
+ stdio_print_current_devices();
-#ifdef CFG_CONSOLE_ENV_OVERWRITE
+#ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
/* set the environment variables (will overwrite previous env settings) */
for (i = 0; i < 3; i++) {
- setenv (stdio_names[i], stdio_devices[i]->name);
+ setenv(stdio_names[i], stdio_devices[i]->name);
}
-#endif /* CFG_CONSOLE_ENV_OVERWRITE */
+#endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
#if 0
/* If nothing usable installed, use only the initial console */
if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
- return (0);
+ return 0;
#endif
- return (0);
+ return 0;
}
-#else /* CFG_CONSOLE_IS_IN_ENV */
+#else /* CONFIG_SYS_CONSOLE_IS_IN_ENV */
/* Called after the relocation - use desired console functions */
-int console_init_r (void)
+int console_init_r(void)
{
- device_t *inputdev = NULL, *outputdev = NULL;
- int i, items = ListNumItems (devlist);
+ struct stdio_dev *inputdev = NULL, *outputdev = NULL;
+ int i;
+ struct list_head *list = stdio_get_list();
+ struct list_head *pos;
+ struct stdio_dev *dev;
#ifdef CONFIG_SPLASH_SCREEN
- /* suppress all output if splash screen is enabled and we have
- a bmp to display */
+ /*
+ * suppress all output if splash screen is enabled and we have
+ * a bmp to display
+ */
if (getenv("splashimage") != NULL)
- outputdev = search_device (DEV_FLAGS_OUTPUT, "nulldev");
-#endif
-
-#ifdef CONFIG_SILENT_CONSOLE
- /* Suppress all output if "silent" mode requested */
- if (gd->flags & GD_FLG_SILENT)
- outputdev = search_device (DEV_FLAGS_OUTPUT, "nulldev");
+ gd->flags |= GD_FLG_SILENT;
#endif
/* Scan devices looking for input and output devices */
- for (i = 1;
- (i <= items) && ((inputdev == NULL) || (outputdev == NULL));
- i++
- ) {
- device_t *dev = ListGetPtrToItem (devlist, i);
+ 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);
+ console_setfile(stdout, outputdev);
+ console_setfile(stderr, outputdev);
+#ifdef CONFIG_CONSOLE_MUX
+ console_devices[stdout][0] = outputdev;
+ console_devices[stderr][0] = outputdev;
+#endif
}
/* Initializes input console */
if (inputdev != NULL) {
- console_setfile (stdin, inputdev);
+ console_setfile(stdin, inputdev);
+#ifdef CONFIG_CONSOLE_MUX
+ console_devices[stdin][0] = inputdev;
+#endif
}
gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
-#ifndef CFG_CONSOLE_INFO_QUIET
- /* 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);
- }
-#endif /* CFG_CONSOLE_INFO_QUIET */
+ stdio_print_current_devices();
/* Setting environment variables */
for (i = 0; i < 3; i++) {
- setenv (stdio_names[i], stdio_devices[i]->name);
+ setenv(stdio_names[i], stdio_devices[i]->name);
}
#if 0
/* If nothing usable installed, use only the initial console */
if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
- return (0);
+ return 0;
#endif
- return (0);
+ return 0;
}
-#endif /* CFG_CONSOLE_IS_IN_ENV */
+#endif /* CONFIG_SYS_CONSOLE_IS_IN_ENV */
projects / karo-tx-uboot.git / blobdiff