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Diffstat (limited to 'nuttx/arch/sh/src/common/up_internal.h')
-rw-r--r--nuttx/arch/sh/src/common/up_internal.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/nuttx/arch/sh/src/common/up_internal.h b/nuttx/arch/sh/src/common/up_internal.h
index f47b1078f..f56e97c97 100644
--- a/nuttx/arch/sh/src/common/up_internal.h
+++ b/nuttx/arch/sh/src/common/up_internal.h
@@ -1,7 +1,7 @@
/****************************************************************************
* arch/sh/src/common/up_internal.h
*
- * Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ * Copyright (C) 2008-2009, 2012-2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -67,6 +67,9 @@
* however, if no UARTs are enabled, the console could als be provided
* through some other device, such as an LCD. Architecture-specific logic
* will have to detect that case.
+ *
+ * If a console is enabled and no other console device is specified, then
+ * a serial console is assumed.
*/
#if !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS <= 0
@@ -88,6 +91,16 @@
# endif
#endif
+/* If some other device is used as the console, then the serial driver may
+ * still be needed. Let's assume that if the upper half serial driver is
+ * built, then the lower half will also be needed. There is no need for
+ * the early serial initialization in this case.
+ */
+
+#if !defined(USE_SERIALDRIVER) && defined(CONFIG_STANDARD_SERIAL)
+# define USE_SERIALDRIVER 1
+#endif
+
/* Determine which device to use as the system logging device */
#ifndef CONFIG_SYSLOG