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dm: Allow debug UART to support an early console

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When there is no console ready, allow the debug UART to be used for output.
This makes debugging of early code considerably easier.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2015-06-23 15:38:33 -06:00
parent d0d7361462
commit d6ea5307da
1 changed files with 19 additions and 0 deletions
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19
common/console.c
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@ -6,6 +6,7 @@
*/
#include <common.h>
#include <debug_uart.h>
#include <stdarg.h>
#include <iomux.h>
#include <malloc.h>
@ -460,6 +461,13 @@ void putc(const char 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;
@ -491,7 +499,18 @@ void puts(const char *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;