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dm: Allow debug UART to support an early console 

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>
utp
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;