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 ---
Changes in v3: None Changes in v2: None
common/console.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/common/console.c b/common/console.c index 0058222..acad8bd 100644 --- a/common/console.c +++ b/common/console.c @@ -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;