]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - common/console.c
am33xx: Update DT files, add am335x_gp_evm_config target
[karo-tx-uboot.git] / common / console.c
index 2dfb788885bc81609224e9d3d7d43d1735bc6d65..ace206ca4ff5dd87651c32da857fae762916f41c 100644 (file)
@@ -6,7 +6,9 @@
  */
 
 #include <common.h>
+#include <debug_uart.h>
 #include <stdarg.h>
+#include <iomux.h>
 #include <malloc.h>
 #include <os.h>
 #include <serial.h>
@@ -109,7 +111,7 @@ static int console_setfile(int file, struct stdio_dev * dev)
        case stderr:
                /* Start new device */
                if (dev->start) {
-                       error = dev->start();
+                       error = dev->start(dev);
                        /* If it's not started dont use it */
                        if (error < 0)
                                break;
@@ -124,13 +126,13 @@ static int console_setfile(int file, struct stdio_dev * dev)
                 */
                switch (file) {
                case stdin:
-                       gd->jt[XF_getc] = dev->getc;
-                       gd->jt[XF_tstc] = dev->tstc;
+                       gd->jt->getc = getc;
+                       gd->jt->tstc = tstc;
                        break;
                case stdout:
-                       gd->jt[XF_putc] = dev->putc;
-                       gd->jt[XF_puts] = dev->puts;
-                       gd->jt[XF_printf] = printf;
+                       gd->jt->putc  = putc;
+                       gd->jt->puts  = puts;
+                       gd->jt->printf = printf;
                        break;
                }
                break;
@@ -159,7 +161,7 @@ static int console_getc(int file)
        unsigned char ret;
 
        /* This is never called with testcdev == NULL */
-       ret = tstcdev->getc();
+       ret = tstcdev->getc(tstcdev);
        tstcdev = NULL;
        return ret;
 }
@@ -173,7 +175,7 @@ static int console_tstc(int file)
        for (i = 0; i < cd_count[file]; i++) {
                dev = console_devices[file][i];
                if (dev->tstc != NULL) {
-                       ret = dev->tstc();
+                       ret = dev->tstc(dev);
                        if (ret > 0) {
                                tstcdev = dev;
                                disable_ctrlc(0);
@@ -194,10 +196,24 @@ static void console_putc(int file, const char c)
        for (i = 0; i < cd_count[file]; i++) {
                dev = console_devices[file][i];
                if (dev->putc != NULL)
-                       dev->putc(c);
+                       dev->putc(dev, c);
        }
 }
 
+#ifdef CONFIG_PRE_CONSOLE_BUFFER
+static void console_puts_noserial(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 && strcmp(dev->name, "serial") != 0)
+                       dev->puts(dev, s);
+       }
+}
+#endif
+
 static void console_puts(int file, const char *s)
 {
        int i;
@@ -206,7 +222,7 @@ static void console_puts(int file, const char *s)
        for (i = 0; i < cd_count[file]; i++) {
                dev = console_devices[file][i];
                if (dev->puts != NULL)
-                       dev->puts(s);
+                       dev->puts(dev, s);
        }
 }
 
@@ -222,22 +238,30 @@ static inline void console_doenv(int file, struct stdio_dev *dev)
 #else
 static inline int console_getc(int file)
 {
-       return stdio_devices[file]->getc();
+       return stdio_devices[file]->getc(stdio_devices[file]);
 }
 
 static inline int console_tstc(int file)
 {
-       return stdio_devices[file]->tstc();
+       return stdio_devices[file]->tstc(stdio_devices[file]);
 }
 
 static inline void console_putc(int file, const char c)
 {
-       stdio_devices[file]->putc(c);
+       stdio_devices[file]->putc(stdio_devices[file], c);
+}
+
+#ifdef CONFIG_PRE_CONSOLE_BUFFER
+static inline void console_puts_noserial(int file, const char *s)
+{
+       if (strcmp(stdio_devices[file]->name, "serial") != 0)
+               stdio_devices[file]->puts(stdio_devices[file], s);
 }
+#endif
 
 static inline void console_puts(int file, const char *s)
 {
-       stdio_devices[file]->puts(s);
+       stdio_devices[file]->puts(stdio_devices[file], s);
 }
 
 static inline void console_printdevs(int file)
@@ -381,6 +405,9 @@ int tstc(void)
        return serial_tstc();
 }
 
+#define PRE_CONSOLE_FLUSHPOINT1_SERIAL                 0
+#define PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL  1
+
 #ifdef CONFIG_PRE_CONSOLE_BUFFER
 #define CIRC_BUF_IDX(idx) ((idx) % (unsigned long)CONFIG_PRE_CON_BUF_SZ)
 
@@ -397,31 +424,51 @@ static void pre_console_puts(const char *s)
                pre_console_putc(*s++);
 }
 
-static void print_pre_console_buffer(void)
+static void print_pre_console_buffer(int flushpoint)
 {
-       unsigned long i = 0;
-       char *buffer = (char *)CONFIG_PRE_CON_BUF_ADDR;
+       unsigned long in = 0, out = 0;
+       char *buf_in = (char *)CONFIG_PRE_CON_BUF_ADDR;
+       char buf_out[CONFIG_PRE_CON_BUF_SZ + 1];
 
        if (gd->precon_buf_idx > CONFIG_PRE_CON_BUF_SZ)
-               i = gd->precon_buf_idx - CONFIG_PRE_CON_BUF_SZ;
+               in = gd->precon_buf_idx - CONFIG_PRE_CON_BUF_SZ;
 
-       while (i < gd->precon_buf_idx)
-               putc(buffer[CIRC_BUF_IDX(i++)]);
+       while (in < gd->precon_buf_idx)
+               buf_out[out++] = buf_in[CIRC_BUF_IDX(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_noserial(stdout, 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(void) {}
+static inline void print_pre_console_buffer(int flushpoint) {}
 #endif
 
 void putc(const char c)
 {
 #ifdef CONFIG_SANDBOX
-       if (!gd) {
+       /* 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
 #ifdef CONFIG_SILENT_CONSOLE
        if (gd->flags & GD_FLG_SILENT)
                return;
@@ -440,6 +487,7 @@ void putc(const char c)
                fputc(stdout, c);
        } else {
                /* Send directly to the handler */
+               pre_console_putc(c);
                serial_putc(c);
        }
 }
@@ -447,12 +495,23 @@ void putc(const char c)
 void puts(const char *s)
 {
 #ifdef CONFIG_SANDBOX
-       if (!gd) {
+       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);
+                       if (ch == '\n')
+                               printch('\r');
+               }
+               return;
+       }
+#endif
 #ifdef CONFIG_SILENT_CONSOLE
        if (gd->flags & GD_FLG_SILENT)
                return;
@@ -471,6 +530,7 @@ void puts(const char *s)
                fputs(stdout, s);
        } else {
                /* Send directly to the handler */
+               pre_console_puts(s);
                serial_puts(s);
        }
 }
@@ -481,11 +541,6 @@ int printf(const char *fmt, ...)
        uint i;
        char printbuffer[CONFIG_SYS_PBSIZE];
 
-#if !defined(CONFIG_SANDBOX) && !defined(CONFIG_PRE_CONSOLE_BUFFER)
-       if (!gd->have_console)
-               return 0;
-#endif
-
        va_start(args, fmt);
 
        /* For this to work, printbuffer must be larger than
@@ -504,7 +559,7 @@ int vprintf(const char *fmt, va_list args)
        uint i;
        char printbuffer[CONFIG_SYS_PBSIZE];
 
-#ifndef CONFIG_PRE_CONSOLE_BUFFER
+#if defined(CONFIG_PRE_CONSOLE_BUFFER) && !defined(CONFIG_SANDBOX)
        if (!gd->have_console)
                return 0;
 #endif
@@ -524,6 +579,7 @@ static int ctrlc_disabled = 0;      /* see disable_ctrl() */
 static int ctrlc_was_pressed = 0;
 int ctrlc(void)
 {
+#ifndef CONFIG_SANDBOX
        if (!ctrlc_disabled && gd->have_console) {
                if (tstc()) {
                        switch (getc()) {
@@ -535,9 +591,37 @@ int ctrlc(void)
                        }
                }
        }
+#endif
+
+       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
  */
@@ -592,7 +676,7 @@ inline void dbg(const char *fmt, ...)
 
 }
 #else
-inline void dbg(const char *fmt, ...)
+static inline void dbg(const char *fmt, ...)
 {
 }
 #endif
@@ -649,7 +733,7 @@ int console_init_f(void)
                gd->flags |= GD_FLG_SILENT;
 #endif
 
-       print_pre_console_buffer();
+       print_pre_console_buffer(PRE_CONSOLE_FLUSHPOINT1_SERIAL);
 
        return 0;
 }
@@ -693,11 +777,11 @@ int console_init_r(void)
 #endif
 
        /* set default handlers at first */
-       gd->jt[XF_getc] = serial_getc;
-       gd->jt[XF_tstc] = serial_tstc;
-       gd->jt[XF_putc] = serial_putc;
-       gd->jt[XF_puts] = serial_puts;
-       gd->jt[XF_printf] = serial_printf;
+       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 */
@@ -764,6 +848,7 @@ done:
        if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
                return 0;
 #endif
+       print_pre_console_buffer(PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL);
        return 0;
 }
 
@@ -839,7 +924,7 @@ int console_init_r(void)
        if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
                return 0;
 #endif
-
+       print_pre_console_buffer(PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL);
        return 0;
 }