Add logic so that a RAM log can be used in place of a console device

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4380 7fd9a85b-ad96-42d3-883c-3090e2eb8679

85 files changed, 732 insertions, 380 deletions

diff --git a/nuttx/Documentation/NuttxPortingGuide.html b/nuttx/Documentation/NuttxPortingGuide.html
index 2fd18b1d8f..244f07538e 100644
--- a/nuttx/Documentation/NuttxPortingGuide.html
+++ b/nuttx/Documentation/NuttxPortingGuide.html
@@ -3856,8 +3856,10 @@ build
     You must also define <code>CONFIG_GREGORIAN_TIME</code> in order to use Julian time.
   </li>
   <li>
-    <code>CONFIG_DEV_CONSOLE</code>: Set if architecture-specific logic
-    provides /dev/console.  Enables stdout, stderr, stdin.
+    <code>CONFIG_DEV_CONSOLE</code>: Set if architecture-specific logic provides <code>/dev/console</code>.
+    Enables <code>stdout</code>, <code>stderr</code>, and <code>stdin</code>.
+    This implies the &quot;normal&quot; serial driver provides the console unless another console device is specified
+    (See <code>CONFIG_DEV_LOWCONSOLE</code>).
   </li>
   <li>
     <code>CONFIG_MUTEX_TYPES</code>: Set to enable support for recursive and
diff --git a/nuttx/arch/arm/src/arm/up_nommuhead.S b/nuttx/arch/arm/src/arm/up_nommuhead.S
index afd1951927..aac95b73a4 100644
--- a/nuttx/arch/arm/src/arm/up_nommuhead.S
+++ b/nuttx/arch/arm/src/arm/up_nommuhead.S
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/arm/src/arm/up_nommuhead.S
  *
- *   Copyright (C) 2007, 2009-2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007, 2009-2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -110,7 +110,7 @@ __start:
 	/* Perform early serial initialization */
 
 	mov	fp, #0
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 	bl	up_earlyserialinit
 #endif
 
diff --git a/nuttx/arch/arm/src/common/up_initialize.c b/nuttx/arch/arm/src/common/up_initialize.c
index 167111ddb2..9d7ba0f193 100644
--- a/nuttx/arch/arm/src/common/up_initialize.c
+++ b/nuttx/arch/arm/src/common/up_initialize.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/arm/src/common/up_initialize.c
  *
- *   Copyright (C) 2007-2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007-2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -149,12 +149,14 @@ void up_initialize(void)
   devnull_register();   /* Standard /dev/null */
 #endif
 
-  /* Initialize the serial device driver */
+  /* Initialize the console device driver */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#if defined(USE_SERIALDRIVER)
   up_serialinit();
 #elif defined(CONFIG_DEV_LOWCONSOLE)
   lowconsole_init();
+#elif defined(CONFIG_RAMLOG_CONSOLE)
+  ramlog_consoleinit();
 #endif
 
   /* Initialize the netwok */
diff --git a/nuttx/arch/arm/src/common/up_internal.h b/nuttx/arch/arm/src/common/up_internal.h
index 306a44b495..6f98ac04d3 100644
--- a/nuttx/arch/arm/src/common/up_internal.h
+++ b/nuttx/arch/arm/src/common/up_internal.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * common/up_internal.h
  *
- *   Copyright (C) 2007-2011 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,8 +33,8 @@
  *
  ****************************************************************************/
 
-#ifndef __UP_INTERNAL_H
-#define __UP_INTERNAL_H
+#ifndef __ARCH_ARM_SRC_COMMON_UP_INTERNAL_H
+#define __ARCH_ARM_SRC_COMMON_UP_INTERNAL_H
 
 /****************************************************************************
  * Included Files
@@ -62,13 +62,24 @@
 
 /* Determine which (if any) console driver to use */
 
-#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
-#  undef CONFIG_USE_SERIALDRIVER
-#  undef CONFIG_USE_EARLYSERIALINIT
-#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-#  define CONFIG_USE_SERIALDRIVER 1
-#  define CONFIG_USE_EARLYSERIALINIT 1
-#endif
+#if !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS == 0
+#  undef  USE_SERIALDRIVER
+#  undef  USE_EARLYSERIALINIT
+#  undef  CONFIG_DEV_LOWCONSOLE
+#  undef  CONFIG_RAMLOG_CONSOLE
+#else
+#  if defined(CONFIG_RAMLOG_CONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#    undef  CONFIG_DEV_LOWCONSOLE
+#  elif defined(CONFIG_DEV_LOWCONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  else
+#    define USE_SERIALDRIVER 1
+#    define USE_EARLYSERIALINIT 1
+#  endif
+#endig
 
 /* Check if an interrupt stack size is configured */
 
@@ -286,6 +297,14 @@ extern void lowconsole_init(void);
 # define lowconsole_init()
 #endif
 
+/* Defined in drivers/ramlog.c */
+
+#ifdef CONFIG_RAMLOG_CONSOLE
+extern void ramlog_consoleinit(void);
+#else
+# define ramlog_consoleinit()
+#endif
+
 /* DMA **********************************************************************/
 
 #ifdef CONFIG_ARCH_DMA
@@ -364,4 +383,4 @@ extern size_t up_check_tcbstack_remain(FAR _TCB);
 
 #endif /* __ASSEMBLY__ */
 
-#endif  /* __UP_INTERNAL_H */
+#endif  /* __ARCH_ARM_SRC_COMMON_UP_INTERNAL_H */
diff --git a/nuttx/arch/arm/src/dm320/dm320_boot.c b/nuttx/arch/arm/src/dm320/dm320_boot.c
index 6269ed8f88..df749b6dad 100644
--- a/nuttx/arch/arm/src/dm320/dm320_boot.c
+++ b/nuttx/arch/arm/src/dm320/dm320_boot.c
@@ -1,8 +1,8 @@
 /************************************************************************************
  * arch/arm/src/dm320/dm320_boot.c
  *
- *   Copyright (C) 2007, 2009-2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007, 2009-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -231,7 +231,7 @@ void up_boot(void)
 #endif
   /* Perform early serial initialization */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
 }
diff --git a/nuttx/arch/arm/src/dm320/dm320_serial.c b/nuttx/arch/arm/src/dm320/dm320_serial.c
index 120f19f724..b09104e577 100644
--- a/nuttx/arch/arm/src/dm320/dm320_serial.c
+++ b/nuttx/arch/arm/src/dm320/dm320_serial.c
@@ -2,8 +2,8 @@
  * arch/arm/src/dm320/dm320_serial.c
  * arch/arm/src/chip/dm320_serial.c
  *
- *   Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -60,7 +60,7 @@
 #include "os_internal.h"
 #include "up_internal.h"
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /****************************************************************************
  * Pre-processor Definitions
@@ -781,7 +781,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Definitions
@@ -834,6 +834,6 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
 
 
diff --git a/nuttx/arch/arm/src/imx/imx_boot.c b/nuttx/arch/arm/src/imx/imx_boot.c
index 65a6951ce9..53c656b2d1 100644
--- a/nuttx/arch/arm/src/imx/imx_boot.c
+++ b/nuttx/arch/arm/src/imx/imx_boot.c
@@ -2,8 +2,8 @@
  * arch/arm/src/imx/imx_boot.c
  * arch/arm/src/chip/imx_boot.c
  *
- *   Copyright (C) 2009,2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009, 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -219,7 +219,7 @@ void up_boot(void)
 #endif
   /* Perform early serial initialization */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
 }
diff --git a/nuttx/arch/arm/src/imx/imx_serial.c b/nuttx/arch/arm/src/imx/imx_serial.c
index 984f516497..556eb4ebd4 100644
--- a/nuttx/arch/arm/src/imx/imx_serial.c
+++ b/nuttx/arch/arm/src/imx/imx_serial.c
@@ -2,8 +2,8 @@
  * arch/arm/src/imx/imx_serial.c
  * arch/arm/src/chip/imx_serial.c
  *
- *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -61,7 +61,7 @@
 #include "os_internal.h"
 #include "up_internal.h"
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /****************************************************************************
  * Pre-processor Definitions
@@ -1181,7 +1181,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Definitions
@@ -1239,6 +1239,6 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
 
 
diff --git a/nuttx/arch/arm/src/kinetis/kinetis_serial.c b/nuttx/arch/arm/src/kinetis/kinetis_serial.c
index 1e98b722fe..dd1cd68730 100644
--- a/nuttx/arch/arm/src/kinetis/kinetis_serial.c
+++ b/nuttx/arch/arm/src/kinetis/kinetis_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/mips/src/kinetis/kinetis_serial.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -77,7 +77,7 @@
  * provide some minimal implementation of up_putc.
  */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /* Which UART with be tty0/console and which tty1-4?  The console will always
  * be ttyS0.  If there is no console then will use the lowest numbered UART.
@@ -1319,7 +1319,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -1346,5 +1346,5 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
 
diff --git a/nuttx/arch/arm/src/kinetis/kinetis_start.c b/nuttx/arch/arm/src/kinetis/kinetis_start.c
index 1ebb894e1b..c8f20fbddf 100644
--- a/nuttx/arch/arm/src/kinetis/kinetis_start.c
+++ b/nuttx/arch/arm/src/kinetis/kinetis_start.c
@@ -2,8 +2,8 @@
  * arch/arm/src/kinetis/kinetis_start.c
  * arch/arm/src/chip/kinetis_start.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -135,7 +135,7 @@ void __start(void)
    */
 
   kinetis_lowsetup();
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
 
diff --git a/nuttx/arch/arm/src/lm3s/lm3s_serial.c b/nuttx/arch/arm/src/lm3s/lm3s_serial.c
index f1f5ac9baf..50384a1b95 100644
--- a/nuttx/arch/arm/src/lm3s/lm3s_serial.c
+++ b/nuttx/arch/arm/src/lm3s/lm3s_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/arm/src/lm3s/lm3s_serial.c
  *
- *   Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009-2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -110,7 +110,7 @@
  * still must provide some minimal implementation of up_putc.
  */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /* Which UART with be tty0/console and which tty1? */
 
@@ -1038,7 +1038,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -1065,4 +1065,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/arm/src/lm3s/lm3s_start.c b/nuttx/arch/arm/src/lm3s/lm3s_start.c
index 292467d568..f3f762b52f 100644
--- a/nuttx/arch/arm/src/lm3s/lm3s_start.c
+++ b/nuttx/arch/arm/src/lm3s/lm3s_start.c
@@ -2,8 +2,8 @@
  * arch/arm/src/lm3s/lm3s_start.c
  * arch/arm/src/chip/lm3s_start.c
  *
- *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -130,7 +130,7 @@ void __start(void)
 
   /* Perform early serial initialization */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
   showprogress('D');
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c b/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c
index 80d483742f..f5d1e3c015 100755
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/arm/src/lpc17xx/lpc17_serial.c
  *
- *   Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2010-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -72,7 +72,7 @@
  * provide some minimal implementation of up_putc.
  */
 
-#if defined(CONFIG_USE_SERIALDRIVER) && defined(HAVE_UART)
+#if defined(USE_SERIALDRIVER) && defined(HAVE_UART)
 
 /* Configuration ************************************************************/
 
@@ -1417,7 +1417,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -1444,4 +1444,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_start.c b/nuttx/arch/arm/src/lpc17xx/lpc17_start.c
index 427e3a1038..abbe6e2132 100755
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_start.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_start.c
@@ -2,8 +2,8 @@
  * arch/arm/src/lpc17xx/lpc17_start.c
  * arch/arm/src/chip/lpc17_start.c
  *
- *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -129,7 +129,7 @@ void __start(void)
 
   /* Perform early serial initialization */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
   showprogress('D');
diff --git a/nuttx/arch/arm/src/lpc214x/lpc214x_head.S b/nuttx/arch/arm/src/lpc214x/lpc214x_head.S
index 72d026aaa8..6784811545 100644
--- a/nuttx/arch/arm/src/lpc214x/lpc214x_head.S
+++ b/nuttx/arch/arm/src/lpc214x/lpc214x_head.S
@@ -1,8 +1,8 @@
 /*****************************************************************************
  * arch/arm/src/lpc214x/lpc214x_head.S
  *
- *   Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -582,7 +582,7 @@ __start:
 	/* Perform early serial initialization */
 
 	mov	fp, #0
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 	bl	up_earlyserialinit
 #endif
 
diff --git a/nuttx/arch/arm/src/lpc214x/lpc214x_serial.c b/nuttx/arch/arm/src/lpc214x/lpc214x_serial.c
index 13a69716bc..a838e31439 100644
--- a/nuttx/arch/arm/src/lpc214x/lpc214x_serial.c
+++ b/nuttx/arch/arm/src/lpc214x/lpc214x_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/arm/src/lpc214x/lpc214x_serial.c
  *
- *   Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -60,7 +60,7 @@
 #include "lpc214x_pinsel.h"
 #include "lpc214x_uart.h"
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /****************************************************************************
  * Definitions
@@ -816,7 +816,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -841,4 +841,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/arm/src/lpc2378/lpc23xx_head.S b/nuttx/arch/arm/src/lpc2378/lpc23xx_head.S
index d9b5fdfcbb..a4cab8f05d 100755
--- a/nuttx/arch/arm/src/lpc2378/lpc23xx_head.S
+++ b/nuttx/arch/arm/src/lpc2378/lpc23xx_head.S
@@ -6,8 +6,8 @@
  *
  * This file is part of the NuttX RTOS and based on the lpc2148 port:
  *
- *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -181,7 +181,7 @@ __start:
 	/* Perform early serial initialization */
 
 	mov	fp, #0
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 	bl	up_earlyserialinit
 	showprogress 'S'
 #endif
diff --git a/nuttx/arch/arm/src/lpc2378/lpc23xx_serial.c b/nuttx/arch/arm/src/lpc2378/lpc23xx_serial.c
index 7590c7c930..8d3a020c73 100755
--- a/nuttx/arch/arm/src/lpc2378/lpc23xx_serial.c
+++ b/nuttx/arch/arm/src/lpc2378/lpc23xx_serial.c
@@ -6,8 +6,8 @@
  *
  * This file is part of the NuttX RTOS and based on the lpc2148 port:
  *
- *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -67,7 +67,7 @@
 #include "lpc23xx_uart.h"
 #include "lpc23xx_vic.h"
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /****************************************************************************
  * Definitions
@@ -947,7 +947,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else                                  /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -971,4 +971,4 @@ int up_putc(int ch)
   up_lowputc(ch);
   return ch;
 }
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/arm/src/lpc31xx/lpc31_boot.c b/nuttx/arch/arm/src/lpc31xx/lpc31_boot.c
index 42da03bbda..7abe15d4d0 100755
--- a/nuttx/arch/arm/src/lpc31xx/lpc31_boot.c
+++ b/nuttx/arch/arm/src/lpc31xx/lpc31_boot.c
@@ -1,8 +1,8 @@
 /************************************************************************************
  * arch/arm/src/lpc31xx/lpc31_boot.c
  *
- *   Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009-2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -387,7 +387,7 @@ void up_boot(void)
 
   /* Perform early serial initialization if we are going to use the serial driver */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
 
diff --git a/nuttx/arch/arm/src/lpc31xx/lpc31_lowputc.c b/nuttx/arch/arm/src/lpc31xx/lpc31_lowputc.c
index 7d8a7cc325..72eb91748b 100755
--- a/nuttx/arch/arm/src/lpc31xx/lpc31_lowputc.c
+++ b/nuttx/arch/arm/src/lpc31xx/lpc31_lowputc.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/arm/src/lpc31xx/lpc31_lowputc.c
  *
- *   Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009-2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -71,7 +71,7 @@
       * initialization suppressed?
       */
 
-#    if defined(CONFIG_USE_EARLYSERIALINIT) || defined(CONFIG_SUPPRESS_LPC31_UART_CONFIG)
+#    if defined(USE_EARLYSERIALINIT) || defined(CONFIG_SUPPRESS_LPC31_UART_CONFIG)
 #      undef NEED_LOWSETUP
 #    else
 #      define NEED_LOWSETUP 1
diff --git a/nuttx/arch/arm/src/lpc31xx/lpc31_serial.c b/nuttx/arch/arm/src/lpc31xx/lpc31_serial.c
index ceb15d6a2b..7707318829 100755
--- a/nuttx/arch/arm/src/lpc31xx/lpc31_serial.c
+++ b/nuttx/arch/arm/src/lpc31xx/lpc31_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/arm/src/lpc31xx/lpc31_serial.c
  *
- *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -60,7 +60,7 @@
 #include "lpc31_cgudrvr.h"
 #include "lpc31_uart.h"
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /****************************************************************************
  * Definitions
@@ -826,7 +826,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -853,4 +853,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/arm/src/sam3u/sam3u_serial.c b/nuttx/arch/arm/src/sam3u/sam3u_serial.c
index 4e32e8fa97..063de7a587 100644
--- a/nuttx/arch/arm/src/sam3u/sam3u_serial.c
+++ b/nuttx/arch/arm/src/sam3u/sam3u_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/arm/src/sam3u/sam3u_serial.c
  *
- *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -143,7 +143,7 @@
  * provide some minimal implementation of up_putc.
  */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /* Which UART/USART with be tty0/console and which tty1? tty2? tty3? tty4? */
 
@@ -1420,7 +1420,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -1447,4 +1447,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/arm/src/sam3u/sam3u_start.c b/nuttx/arch/arm/src/sam3u/sam3u_start.c
index 75cf8fa5c8..aceda2c464 100644
--- a/nuttx/arch/arm/src/sam3u/sam3u_start.c
+++ b/nuttx/arch/arm/src/sam3u/sam3u_start.c
@@ -2,8 +2,8 @@
  * arch/arm/src/sam3u/sam3u_start.c
  * arch/arm/src/chip/sam3u_start.c
  *
- *   Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009-2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -129,7 +129,7 @@ void __start(void)
 
   /* Perform early serial initialization */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
   showprogress('D');
diff --git a/nuttx/arch/arm/src/stm32/stm32_serial.c b/nuttx/arch/arm/src/stm32/stm32_serial.c
index f589f18cb6..9e103092f7 100644
--- a/nuttx/arch/arm/src/stm32/stm32_serial.c
+++ b/nuttx/arch/arm/src/stm32/stm32_serial.c
@@ -95,7 +95,7 @@
  * provide some minimal implementation of up_putc.
  */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 #ifdef HAVE_UART
 
 /****************************************************************************
@@ -1255,7 +1255,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -1282,4 +1282,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/arm/src/stm32/stm32_start.c b/nuttx/arch/arm/src/stm32/stm32_start.c
index 5434e3429a..b1b2af297b 100644
--- a/nuttx/arch/arm/src/stm32/stm32_start.c
+++ b/nuttx/arch/arm/src/stm32/stm32_start.c
@@ -2,7 +2,7 @@
  * arch/arm/src/stm32/stm32_start.c
  * arch/arm/src/chip/stm32_start.c
  *
- *   Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2009, 2011-2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -140,7 +140,7 @@ void __start(void)
 
   /* Perform early serial initialization */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
   showprogress('D');
diff --git a/nuttx/arch/arm/src/str71x/str71x_head.S b/nuttx/arch/arm/src/str71x/str71x_head.S
index 744e5865a7..e83affa374 100644
--- a/nuttx/arch/arm/src/str71x/str71x_head.S
+++ b/nuttx/arch/arm/src/str71x/str71x_head.S
@@ -1,8 +1,8 @@
 /*****************************************************************************
  * arch/arm/src/str71x/str71x_head.S
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -61,7 +61,7 @@
 
 	.globl	str71x_prccuinit	/* Clock initialization */
 	.globl	up_lowsetup		/* Early initialization of UART */
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 	.globl	up_earlyserialinit	/* Early initialization of serial driver */
 #endif
 #ifdef CONFIG_ARCH_LEDS
@@ -541,7 +541,7 @@ __flashstart:
 	/* Perform early serial initialization */
 
 	mov	fp, #0
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 	bl	up_earlyserialinit
 #endif
 
diff --git a/nuttx/arch/arm/src/str71x/str71x_serial.c b/nuttx/arch/arm/src/str71x/str71x_serial.c
index 31389404c5..1cc6731ac7 100644
--- a/nuttx/arch/arm/src/str71x/str71x_serial.c
+++ b/nuttx/arch/arm/src/str71x/str71x_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/arm/src/str71x/str71x_serial.c
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -93,7 +93,7 @@
  * still must provide some minimal implementation of up_putc().
  */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /* Which UART with be tty0/console and which tty1?  tty2? tty3? */
 
@@ -1019,7 +1019,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -1046,4 +1046,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_config.h b/nuttx/arch/avr/src/at32uc3/at32uc3_config.h
index 004c8b2d15..72536083a7 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_config.h
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_config.h
@@ -146,13 +146,27 @@
 
 /* Determine which (if any) console driver to use */
 
-#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE) || !defined(HAVE_RS232_DEVICE)
-#  undef CONFIG_USE_SERIALDRIVER
-#  undef CONFIG_USE_EARLYSERIALINIT
-#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-#  define CONFIG_USE_SERIALDRIVER 1
-#  define CONFIG_USE_EARLYSERIALINIT 1
-#endif
+#if !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS <= 0
+#  undef  USE_SERIALDRIVER
+#  undef  USE_EARLYSERIALINIT
+#  undef  CONFIG_DEV_LOWCONSOLE
+#  undef  CONFIG_RAMLOG_CONSOLE
+#else
+#  if defined(CONFIG_RAMLOG_CONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#    undef  CONFIG_DEV_LOWCONSOLE
+#  elif defined(CONFIG_DEV_LOWCONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  elif defined(HAVE_RS232_DEVICE)
+#    define USE_SERIALDRIVER 1
+#    define USE_EARLYSERIALINIT 1
+#  else
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  endif
+#endig
 
 /* If GPIO IRQ support is defined, then a set of GPIOs must all be included */
 
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c b/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c
index 37a4c48dcd..2fb04a1ca1 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c
@@ -1,8 +1,8 @@
 /******************************************************************************
  * arch/avr/src/at32uc3/at32uc3_lowconsole.c
  *
- *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -362,7 +362,7 @@ void up_consoleinit(void)
    * by up_earlyserialinit()).
    */
 
-#if defined(HAVE_SERIAL_CONSOLE) && !defined(CONFIG_USE_EARLYSERIALINIT)
+#if defined(HAVE_SERIAL_CONSOLE) && !defined(USE_EARLYSERIALINIT)
   usart_configure(AVR32_CONSOLE_BASE, AVR32_CONSOLE_BAUD, AVR32_CONSOLE_PARITY,
                   AVR32_CONSOLE_BITS, (bool)AVR32_CONSOLE_2STOP);
 #endif
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_lowinit.c b/nuttx/arch/avr/src/at32uc3/at32uc3_lowinit.c
index d8d62488a2..d1281491c6 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_lowinit.c
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_lowinit.c
@@ -1,8 +1,8 @@
 /**************************************************************************
  * arch/avr/src/at32uc3/at32uc3_lowinit.c
  *
- *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -95,7 +95,7 @@ void up_lowinit(void)
    * available as soon as possible).
    */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
 
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_serial.c b/nuttx/arch/avr/src/at32uc3/at32uc3_serial.c
index e0c2bae48b..ff5c5490d0 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_serial.c
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/avr/src/at32uc3/at32uc3_serial.c
  *
- *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -78,7 +78,7 @@
  * provide some minimal implementation of up_putc.
  */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /* Which USART with be tty0/console and which tty1? */
 
@@ -808,7 +808,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -835,5 +835,5 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
 
diff --git a/nuttx/arch/avr/src/at90usb/at90usb_config.h b/nuttx/arch/avr/src/at90usb/at90usb_config.h
index 7505c162d2..e6d2fb89ed 100644
--- a/nuttx/arch/avr/src/at90usb/at90usb_config.h
+++ b/nuttx/arch/avr/src/at90usb/at90usb_config.h
@@ -1,8 +1,8 @@
 /************************************************************************************
  * arch/avr/src/at90usb/at90usb_config.h
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -65,13 +65,27 @@
 
 /* Determine which (if any) console driver to use */
 
-#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE) || !defined(HAVE_USART_DEVICE)
-#  undef CONFIG_USE_SERIALDRIVER
-#  undef CONFIG_USE_EARLYSERIALINIT
-#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-#  define CONFIG_USE_SERIALDRIVER 1
-#  define CONFIG_USE_EARLYSERIALINIT 1
-#endif
+#if !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS <= 0
+#  undef  USE_SERIALDRIVER
+#  undef  USE_EARLYSERIALINIT
+#  undef  CONFIG_DEV_LOWCONSOLE
+#  undef  CONFIG_RAMLOG_CONSOLE
+#else
+#  if defined(CONFIG_RAMLOG_CONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#    undef  CONFIG_DEV_LOWCONSOLE
+#  elif defined(CONFIG_DEV_LOWCONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  elif defined(HAVE_USART_DEVICE)
+#    define USE_SERIALDRIVER 1
+#    define USE_EARLYSERIALINIT 1
+#  else
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  endif
+#endig
 
 /************************************************************************************
  * Public Types
diff --git a/nuttx/arch/avr/src/at90usb/at90usb_lowinit.c b/nuttx/arch/avr/src/at90usb/at90usb_lowinit.c
index f7a1b921e1..5f8964f6c6 100644
--- a/nuttx/arch/avr/src/at90usb/at90usb_lowinit.c
+++ b/nuttx/arch/avr/src/at90usb/at90usb_lowinit.c
@@ -1,8 +1,8 @@
 /**************************************************************************
  * arch/avr/src/at90usb/at90usb_lowinit.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -142,7 +142,7 @@ void up_lowinit(void)
    * available as soon as possible).
    */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
 
diff --git a/nuttx/arch/avr/src/at90usb/at90usb_serial.c b/nuttx/arch/avr/src/at90usb/at90usb_serial.c
index 88769bc0b5..f75f380620 100644
--- a/nuttx/arch/avr/src/at90usb/at90usb_serial.c
+++ b/nuttx/arch/avr/src/at90usb/at90usb_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/avr/src/at90usb/at90usb_serial.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -77,7 +77,7 @@
  * provide some minimal implementation of up_putc.
  */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /****************************************************************************
  * Private Types
@@ -588,7 +588,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -615,5 +615,5 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
 
diff --git a/nuttx/arch/avr/src/atmega/atmega_config.h b/nuttx/arch/avr/src/atmega/atmega_config.h
index bf314ad49b..e0a7968cc5 100644
--- a/nuttx/arch/avr/src/atmega/atmega_config.h
+++ b/nuttx/arch/avr/src/atmega/atmega_config.h
@@ -1,8 +1,8 @@
 /************************************************************************************
  * arch/avr/src/atmega/atmega_config.h
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -70,13 +70,27 @@
 
 /* Determine which (if any) console driver to use */
 
-#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE) || !defined(HAVE_USART_DEVICE)
-#  undef CONFIG_USE_SERIALDRIVER
-#  undef CONFIG_USE_EARLYSERIALINIT
-#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-#  define CONFIG_USE_SERIALDRIVER 1
-#  define CONFIG_USE_EARLYSERIALINIT 1
-#endif
+#if !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS <= 0
+#  undef  USE_SERIALDRIVER
+#  undef  USE_EARLYSERIALINIT
+#  undef  CONFIG_DEV_LOWCONSOLE
+#  undef  CONFIG_RAMLOG_CONSOLE
+#else
+#  if defined(CONFIG_RAMLOG_CONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#    undef  CONFIG_DEV_LOWCONSOLE
+#  elif defined(CONFIG_DEV_LOWCONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  elif defined(HAVE_USART_DEVICE)
+#    define USE_SERIALDRIVER 1
+#    define USE_EARLYSERIALINIT 1
+#  else
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  endif
+#endig
 
 /************************************************************************************
  * Public Types
diff --git a/nuttx/arch/avr/src/atmega/atmega_lowinit.c b/nuttx/arch/avr/src/atmega/atmega_lowinit.c
index bb0a4d5127..8456f0e110 100644
--- a/nuttx/arch/avr/src/atmega/atmega_lowinit.c
+++ b/nuttx/arch/avr/src/atmega/atmega_lowinit.c
@@ -1,8 +1,8 @@
 /**************************************************************************
  * arch/avr/src/atmega/atmega_lowinit.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -142,7 +142,7 @@ void up_lowinit(void)
    * available as soon as possible).
    */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
 
diff --git a/nuttx/arch/avr/src/atmega/atmega_serial.c b/nuttx/arch/avr/src/atmega/atmega_serial.c
index 813fa9e8f2..b3106b1d0b 100644
--- a/nuttx/arch/avr/src/atmega/atmega_serial.c
+++ b/nuttx/arch/avr/src/atmega/atmega_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/avr/src/atmega/atmega_serial.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -77,7 +77,7 @@
  * provide some minimal implementation of up_putc.
  */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /* Which USART with be tty0/console and which tty1? */
 
@@ -982,7 +982,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -1009,5 +1009,5 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
 
diff --git a/nuttx/arch/avr/src/common/up_initialize.c b/nuttx/arch/avr/src/common/up_initialize.c
index abbff8532d..eed1b41359 100644
--- a/nuttx/arch/avr/src/common/up_initialize.c
+++ b/nuttx/arch/avr/src/common/up_initialize.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/avr/src/common/up_initialize.c
  *
- *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -57,13 +57,24 @@
  * This will probably have to be revisited someday.
  */
 
-#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
-#  undef CONFIG_USE_SERIALDRIVER
-#  undef CONFIG_USE_EARLYSERIALINIT
-#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-#  define CONFIG_USE_SERIALDRIVER 1
-#  define CONFIG_USE_EARLYSERIALINIT 1
-#endif
+#if !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS <= 0
+#  undef  USE_SERIALDRIVER
+#  undef  USE_EARLYSERIALINIT
+#  undef  CONFIG_DEV_LOWCONSOLE
+#  undef  CONFIG_RAMLOG_CONSOLE
+#else
+#  if defined(CONFIG_RAMLOG_CONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#    undef  CONFIG_DEV_LOWCONSOLE
+#  elif defined(CONFIG_DEV_LOWCONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  else
+#    define USE_SERIALDRIVER 1
+#    define USE_EARLYSERIALINIT 1
+#  endif
+#endig
 
 /****************************************************************************
  * Private Types
@@ -162,12 +173,14 @@ void up_initialize(void)
   devnull_register();   /* Standard /dev/null */
 #endif
 
-  /* Initialize the serial device driver */
+  /* Initialize the console device driver */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#if defined(USE_SERIALDRIVER)
   up_serialinit();
 #elif defined(CONFIG_DEV_LOWCONSOLE)
   lowconsole_init();
+#elif defined(CONFIG_RAMLOG_CONSOLE)
+  ramlog_consoleinit();
 #endif
 
   /* Initialize the netwok */
diff --git a/nuttx/arch/avr/src/common/up_internal.h b/nuttx/arch/avr/src/common/up_internal.h
index e65b5627d9..bc62be720d 100644
--- a/nuttx/arch/avr/src/common/up_internal.h
+++ b/nuttx/arch/avr/src/common/up_internal.h
@@ -172,6 +172,14 @@ extern void lowconsole_init(void);
 # define lowconsole_init()
 #endif
 
+/* Defined in drivers/ramlog.c */
+
+#ifdef CONFIG_RAMLOG_CONSOLE
+extern void ramlog_consoleinit(void);
+#else
+# define ramlog_consoleinit()
+#endif
+
 /* Defined in chip/xxx_timerisr.c */
 
 extern void up_timerinit(void);
diff --git a/nuttx/arch/hc/src/common/up_initialize.c b/nuttx/arch/hc/src/common/up_initialize.c
index 9385cee1ca..a1973e94aa 100755
--- a/nuttx/arch/hc/src/common/up_initialize.c
+++ b/nuttx/arch/hc/src/common/up_initialize.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/hc/src/common/up_initialize.c
  *
- *   Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009-2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -148,12 +148,14 @@ void up_initialize(void)
   devnull_register();   /* Standard /dev/null */
 #endif
 
-  /* Initialize the serial device driver */
+  /* Initialize the console device driver */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#if defined(USE_SERIALDRIVER)
   up_serialinit();
 #elif defined(CONFIG_DEV_LOWCONSOLE)
   lowconsole_init();
+#elif defined(CONFIG_RAMLOG_CONSOLE)
+  ramlog_consoleinit();
 #endif
 
   /* Initialize the netwok */
diff --git a/nuttx/arch/hc/src/common/up_internal.h b/nuttx/arch/hc/src/common/up_internal.h
index efc4ce4b0b..22677dd0f7 100755
--- a/nuttx/arch/hc/src/common/up_internal.h
+++ b/nuttx/arch/hc/src/common/up_internal.h
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/hc/src/common/up_internal.h
  *
- *   Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009, 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -62,13 +62,24 @@
 
 /* Determine which (if any) console driver to use */
 
-#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
-#  undef CONFIG_USE_SERIALDRIVER
-#  undef CONFIG_USE_EARLYSERIALINIT
-#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-#  define CONFIG_USE_SERIALDRIVER 1
-#  define CONFIG_USE_EARLYSERIALINIT 1
-#endif
+#if !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS <= 0
+#  undef  USE_SERIALDRIVER
+#  undef  USE_EARLYSERIALINIT
+#  undef  CONFIG_DEV_LOWCONSOLE
+#  undef  CONFIG_RAMLOG_CONSOLE
+#else
+#  if defined(CONFIG_RAMLOG_CONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#    undef  CONFIG_DEV_LOWCONSOLE
+#  elif defined(CONFIG_DEV_LOWCONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  else
+#    define USE_SERIALDRIVER 1
+#    define USE_EARLYSERIALINIT 1
+#  endif
+#endig
 
 /* Check if an interrupt stack size is configured */
 
@@ -167,6 +178,12 @@ extern void lowconsole_init(void);
 # define lowconsole_init()
 #endif
 
+#ifdef CONFIG_RAMLOG_CONSOLE
+extern void ramlog_consoleinit(void);
+#else
+# define ramlog_consoleinit()
+#endif
+
 extern void up_lowputc(char ch);
 extern void up_puts(const char *str);
 extern void up_lowputs(const char *str);
diff --git a/nuttx/arch/hc/src/m9s12/m9s12_serial.c b/nuttx/arch/hc/src/m9s12/m9s12_serial.c
index 7b5ba365ed..24d3e7765d 100755
--- a/nuttx/arch/hc/src/m9s12/m9s12_serial.c
+++ b/nuttx/arch/hc/src/m9s12/m9s12_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/hc/src/m9s12/m9s12_serial.c
  *
- *   Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009, 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -54,13 +54,13 @@
  * disabled if we are using ROM-resident serial I/O
  */
 
-#if !defined(HAVE_SERIAL_CONSOLE) || !defined(CONFIG_USE_SERIALDRIVER) || \
+#if !defined(HAVE_SERIAL_CONSOLE) || !defined(USE_SERIALDRIVER) || \
     defined(CONFIG_HCS12_SERIALMON)
-#  undef CONFIG_USE_SERIALDRIVER
-#  undef CONFIG_USE_EARLYSERIALINIT
+#  undef USE_SERIALDRIVER
+#  undef USE_EARLYSERIALINIT
 #endif
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /* Yes, which is ttyS0 and which is ttyS1 */
 
@@ -735,7 +735,7 @@ static bool up_txempty(struct uart_dev_s *dev)
  *
  ****************************************************************************/
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 void up_earlyserialinit(void)
 {
   /* Disable all UARTS */
@@ -813,7 +813,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -841,4 +841,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/mips/src/common/up_initialize.c b/nuttx/arch/mips/src/common/up_initialize.c
index 15e242a6e4..0a061990b3 100644
--- a/nuttx/arch/mips/src/common/up_initialize.c
+++ b/nuttx/arch/mips/src/common/up_initialize.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * arch/mips/src/common/up_initialize.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -149,12 +149,14 @@ void up_initialize(void)
   devnull_register();   /* Standard /dev/null */
 #endif
 
-  /* Initialize the serial device driver */
+  /* Initialize the console device driver */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#if defined(USE_SERIALDRIVER)
   up_serialinit();
 #elif defined(CONFIG_DEV_LOWCONSOLE)
   lowconsole_init();
+#elif defined(CONFIG_RAMLOG_CONSOLE)
+  ramlog_consoleinit();
 #endif
 
   /* Initialize the netwok */
diff --git a/nuttx/arch/mips/src/common/up_internal.h b/nuttx/arch/mips/src/common/up_internal.h
index bca7656b89..25b5174a5b 100755
--- a/nuttx/arch/mips/src/common/up_internal.h
+++ b/nuttx/arch/mips/src/common/up_internal.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * arch/mips/common/up_internal.h
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2011, 2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -62,13 +62,24 @@
 
 /* Determine which (if any) console driver to use */
 
-#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
-#  undef CONFIG_USE_SERIALDRIVER
-#  undef CONFIG_USE_EARLYSERIALINIT
-#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-#  define CONFIG_USE_SERIALDRIVER 1
-#  define CONFIG_USE_EARLYSERIALINIT 1
-#endif
+#if !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS <= 0
+#  undef  USE_SERIALDRIVER
+#  undef  USE_EARLYSERIALINIT
+#  undef  CONFIG_DEV_LOWCONSOLE
+#  undef  CONFIG_RAMLOG_CONSOLE
+#else
+#  if defined(CONFIG_RAMLOG_CONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#    undef  CONFIG_DEV_LOWCONSOLE
+#  elif defined(CONFIG_DEV_LOWCONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  else
+#    define USE_SERIALDRIVER 1
+#    define USE_EARLYSERIALINIT 1
+#  endif
+#endig
 
 /* Check if an interrupt stack size is configured */
 
@@ -177,6 +188,14 @@ extern void lowconsole_init(void);
 # define lowconsole_init()
 #endif
 
+/* Defined in drivers/ramlog.c */
+
+#ifdef CONFIG_RAMLOG_CONSOLE
+extern void ramlog_consoleinit(void);
+#else
+# define ramlog_consoleinit()
+#endif
+
 /* Debug */
 
 #ifdef CONFIG_ARCH_STACKDUMP
diff --git a/nuttx/arch/mips/src/pic32mx/pic32mx-lowinit.c b/nuttx/arch/mips/src/pic32mx/pic32mx-lowinit.c
index 6000f76848..fd0c415524 100644
--- a/nuttx/arch/mips/src/pic32mx/pic32mx-lowinit.c
+++ b/nuttx/arch/mips/src/pic32mx/pic32mx-lowinit.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * arch/mips/src/pic32/pic32mx-lowinit.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -195,7 +195,7 @@ void pic32mx_lowinit(void)
    * available as soon as possible).
    */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
 
diff --git a/nuttx/arch/mips/src/pic32mx/pic32mx-serial.c b/nuttx/arch/mips/src/pic32mx/pic32mx-serial.c
index 0646a0037b..334c03d1cd 100644
--- a/nuttx/arch/mips/src/pic32mx/pic32mx-serial.c
+++ b/nuttx/arch/mips/src/pic32mx/pic32mx-serial.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * arch/mips/src/pic32mx/pic32mx-serial.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -77,7 +77,7 @@
  * provide some minimal implementation of up_putc.
  */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /* Which UART with be tty0/console and which tty1?  The console will always
  * be ttyS0.  If there is no console then will use the lowest numbered UART.
@@ -868,7 +868,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -895,5 +895,5 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
 
diff --git a/nuttx/arch/sh/src/common/up_initialize.c b/nuttx/arch/sh/src/common/up_initialize.c
index 92587ba31e..b81e3b9723 100644
--- a/nuttx/arch/sh/src/common/up_initialize.c
+++ b/nuttx/arch/sh/src/common/up_initialize.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/sh/src/common/up_initialize.c
  *
- *   Copyright (C) 2008-2010 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -142,10 +142,12 @@ void up_initialize(void)
    * will have to detect that case.
    */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#if defined(USE_SERIALDRIVER)
   up_consoleinit();
 #elif defined(CONFIG_DEV_LOWCONSOLE)
   lowconsole_init();
+#elif defined(CONFIG_RAMLOG_CONSOLE)
+  ramlog_consoleinit();
 #endif
 
   /* Initialize the netwok */
diff --git a/nuttx/arch/sh/src/common/up_internal.h b/nuttx/arch/sh/src/common/up_internal.h
index 7b1fb5f33a..1b6e41635b 100644
--- a/nuttx/arch/sh/src/common/up_internal.h
+++ b/nuttx/arch/sh/src/common/up_internal.h
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/sh/src/common/up_internal.h
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -66,13 +66,24 @@
  * will have to detect that case.
  */
 
-#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
-#  undef CONFIG_USE_SERIALDRIVER
-#  undef CONFIG_USE_EARLYSERIALINIT
-#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-#  define CONFIG_USE_SERIALDRIVER 1
-#  define CONFIG_USE_EARLYSERIALINIT 1
-#endif
+#if !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS <= 0
+#  undef  USE_SERIALDRIVER
+#  undef  USE_EARLYSERIALINIT
+#  undef  CONFIG_DEV_LOWCONSOLE
+#  undef  CONFIG_RAMLOG_CONSOLE
+#else
+#  if defined(CONFIG_RAMLOG_CONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#    undef  CONFIG_DEV_LOWCONSOLE
+#  elif defined(CONFIG_DEV_LOWCONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  else
+#    define USE_SERIALDRIVER 1
+#    define USE_EARLYSERIALINIT 1
+#  endif
+#endig
 
 /* Check if an interrupt stack size is configured */
 
@@ -166,6 +177,14 @@ extern void lowconsole_init(void);
 # define lowconsole_init()
 #endif
 
+/* Defined in drivers/ramlog.c */
+
+#ifdef CONFIG_RAMLOG_CONSOLE
+extern void ramlog_consoleinit(void);
+#else
+# define ramlog_consoleinit()
+#endif
+
 /* Defined in up_watchdog.c */
 
 extern void up_wdtinit(void);
diff --git a/nuttx/arch/sh/src/m16c/m16c_head.S b/nuttx/arch/sh/src/m16c/m16c_head.S
index 72ab065ad1..d0ab437612 100644
--- a/nuttx/arch/sh/src/m16c/m16c_head.S
+++ b/nuttx/arch/sh/src/m16c/m16c_head.S
@@ -1,8 +1,8 @@
 /************************************************************************************
  * arch/sh/src/m16c/m16c_head.S
  *
- *	 Copyright (C) 2009 Gregory Nutt. All rights reserved.
- *	 Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *	 Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved.
+ *	 Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -244,7 +244,7 @@ __start:
 
 /* Perform early console initialization */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 	.globl	_up_earlyconsoleinit	/* Early initialization of console driver */
 	jsr.a	 _up_earlyconsoleinit	/* Call it */
 	showprogress 'D'
diff --git a/nuttx/arch/sh/src/m16c/m16c_serial.c b/nuttx/arch/sh/src/m16c/m16c_serial.c
index d18b4af599..a3bc2485c6 100644
--- a/nuttx/arch/sh/src/m16c/m16c_serial.c
+++ b/nuttx/arch/sh/src/m16c/m16c_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/sh/src/m16c/m16c_serial.c
  *
- *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -101,9 +101,9 @@
 /* Are there any UARTs? */
 
 #if defined(CONFIG_UART0_DISABLE) && defined(CONFIG_UART1_DISABLE) && defined(CONFIG_UART2_DISABLE)
-#  ifdef CONFIG_USE_SERIALDRIVER
+#  ifdef USE_SERIALDRIVER
 #    error "Serial driver selected, but UARTs not enabled"
-#    undef CONFIG_USE_SERIALDRIVER
+#    undef USE_SERIALDRIVER
 #  endif
 #endif
 
@@ -137,7 +137,7 @@
 #  warning "No console is defined"
 #endif
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /* Which UART with be tty0/console and which tty1 and tty2? */
 
@@ -1172,7 +1172,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -1199,7 +1199,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
 #elif defined(CONFIG_UART0_SERIAL_CONSOLE) || defined(CONFIG_UART1_SERIAL_CONSOLE)|| defined(CONFIG_UART2_SERIAL_CONSOLE)
 #    error "A serial console selected, but corresponding UART not enabled"
 #endif /*  !CONFIG_UART0_DISABLE && !CONFIG_UART1_DISABLE && !CONFIG_UART2_DISABLE */
diff --git a/nuttx/arch/sh/src/sh1/sh1_head.S b/nuttx/arch/sh/src/sh1/sh1_head.S
index 15a82fcda3..9a52b9bb39 100644
--- a/nuttx/arch/sh/src/sh1/sh1_head.S
+++ b/nuttx/arch/sh/src/sh1/sh1_head.S
@@ -1,8 +1,8 @@
 /*****************************************************************************
  * arch/sh/src/sh1/sh1_head.S
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -61,7 +61,7 @@
 /* Called functions */
 
 	.globl	_up_lowsetup		/* Early initialization of UART */
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 	.globl	_up_earlyconsoleinit	/* Early initialization of console driver */
 #endif
 #ifdef CONFIG_ARCH_LEDS
@@ -426,7 +426,7 @@ __start0:
 
 	/* Perform early console initialization */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 	mov.l   .Learlyconsole, r0	/* Address of up_earlyconsoleinit */
 	jsr     @r0			/* Call it */
 	or      r0, r0			/* Delay slot */
@@ -481,7 +481,7 @@ __start0:
 	.long   _sbss
 .Lebss:
 	.long   _ebss
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 .Learlyconsole:
 	.long	_up_earlyconsoleinit
 #endif
diff --git a/nuttx/arch/sh/src/sh1/sh1_serial.c b/nuttx/arch/sh/src/sh1/sh1_serial.c
index 3f87ee4db9..027da35faf 100644
--- a/nuttx/arch/sh/src/sh1/sh1_serial.c
+++ b/nuttx/arch/sh/src/sh1/sh1_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/sh/src/sh1/sh1_serial.c
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -67,9 +67,9 @@
 /* Are there any SCIs? */
 
 #if !defined(CONFIG_SH1_SCI0) && !defined(CONFIG_SH1_SCI1)
-#  ifdef CONFIG_USE_SERIALDRIVER
+#  ifdef USE_SERIALDRIVER
 #    error "Serial driver selected, but SCIs not enabled"
-#    undef CONFIG_USE_SERIALDRIVER
+#    undef USE_SERIALDRIVER
 #  endif
 #endif
 
@@ -90,7 +90,7 @@
 #  undef CONFIG_SCI1_SERIAL_CONSOLE
 #endif
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /* Which SCI with be tty0/console and which tty1? */
 
@@ -927,7 +927,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -954,4 +954,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/x86/src/common/up_initialize.c b/nuttx/arch/x86/src/common/up_initialize.c
index 0ceeddbb6b..92d4d35370 100644
--- a/nuttx/arch/x86/src/common/up_initialize.c
+++ b/nuttx/arch/x86/src/common/up_initialize.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/x86/src/common/up_initialize.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -149,12 +149,14 @@ void up_initialize(void)
   devnull_register();   /* Standard /dev/null */
 #endif
 
-  /* Initialize the serial device driver */
+  /* Initialize the console device driver */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#if defined(USE_SERIALDRIVER)
   up_serialinit();
 #elif defined(CONFIG_DEV_LOWCONSOLE)
   lowconsole_init();
+#elif defined(CONFIG_RAMLOG_CONSOLE)
+  ramlog_consoleinit();
 #endif
 
   /* Initialize the netwok */
diff --git a/nuttx/arch/x86/src/common/up_internal.h b/nuttx/arch/x86/src/common/up_internal.h
index 185d0afc05..f95a9bc746 100644
--- a/nuttx/arch/x86/src/common/up_internal.h
+++ b/nuttx/arch/x86/src/common/up_internal.h
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/x86/src/common/up_internal.h
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -61,13 +61,24 @@
 
 /* Determine which (if any) console driver to use */
 
-#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
-#  undef CONFIG_USE_SERIALDRIVER
-#  undef CONFIG_USE_EARLYSERIALINIT
-#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-#  define CONFIG_USE_SERIALDRIVER 1
-#  define CONFIG_USE_EARLYSERIALINIT 1
-#endif
+#if !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS <= 0
+#  undef  USE_SERIALDRIVER
+#  undef  USE_EARLYSERIALINIT
+#  undef  CONFIG_DEV_LOWCONSOLE
+#  undef  CONFIG_RAMLOG_CONSOLE
+#else
+#  if defined(CONFIG_RAMLOG_CONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#    undef  CONFIG_DEV_LOWCONSOLE
+#  elif defined(CONFIG_DEV_LOWCONSOLE)
+#    undef  USE_SERIALDRIVER
+#    undef  USE_EARLYSERIALINIT
+#  else
+#    define USE_SERIALDRIVER 1
+#    define USE_EARLYSERIALINIT 1
+#  endif
+#endig
 
 /* Check if an interrupt stack size is configured */
 
@@ -192,6 +203,14 @@ extern void lowconsole_init(void);
 # define lowconsole_init()
 #endif
 
+/* Defined in drivers/ramlog.c */
+
+#ifdef CONFIG_RAMLOG_CONSOLE
+extern void ramlog_consoleinit(void);
+#else
+# define ramlog_consoleinit()
+#endif
+
 /* Defined in up_watchdog.c */
 
 extern void up_wdtinit(void);
diff --git a/nuttx/arch/x86/src/qemu/qemu_lowsetup.c b/nuttx/arch/x86/src/qemu/qemu_lowsetup.c
index 20250c33d4..3b58f696cf 100644
--- a/nuttx/arch/x86/src/qemu/qemu_lowsetup.c
+++ b/nuttx/arch/x86/src/qemu/qemu_lowsetup.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  *  arch/x86/src/qemu/qemu_lowsetup.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -129,7 +129,7 @@ void up_lowsetup(void)
 
   /* Early serial driver initialization */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
   up_earlyserialinit();
 #endif
 
diff --git a/nuttx/arch/x86/src/qemu/qemu_serial.c b/nuttx/arch/x86/src/qemu/qemu_serial.c
index 527ca0c053..4c7d462ea9 100644
--- a/nuttx/arch/x86/src/qemu/qemu_serial.c
+++ b/nuttx/arch/x86/src/qemu/qemu_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  *  arch/x86/src/qemu/qemu_serial.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -51,7 +51,7 @@
  * driver for this platform.
  */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /****************************************************************************
  * Pre-processor Definitions
@@ -88,7 +88,7 @@ void uart_putreg(uart_addrwidth_t base, unsigned int offset, uart_datawidth_t va
   outb(value, base + offset);
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
@@ -113,4 +113,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/z16/src/common/up_initialize.c b/nuttx/arch/z16/src/common/up_initialize.c
index 063ccdf713..ab653f3680 100644
--- a/nuttx/arch/z16/src/common/up_initialize.c
+++ b/nuttx/arch/z16/src/common/up_initialize.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * common/up_initialize.c
  *
- *   Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -162,12 +162,16 @@ void up_initialize(void)
 
   /* Initialize the serial device driver */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
   up_serialinit();
 #endif
 
-#ifdef CONFIG_USE_LOWCONSOLE
+  /* Initialize the console device driver */
+
+#if defined(CONFIG_DEV_LOWCONSOLE)
   lowconsole_init();
+#elif defined(CONFIG_RAMLOG_CONSOLE)
+  ramlog_consoleinit();
 #endif
 
   /* Initialize the netwok */
diff --git a/nuttx/arch/z16/src/common/up_internal.h b/nuttx/arch/z16/src/common/up_internal.h
index 117d7f405b..e0c8ffc61e 100644
--- a/nuttx/arch/z16/src/common/up_internal.h
+++ b/nuttx/arch/z16/src/common/up_internal.h
@@ -1,8 +1,8 @@
 /****************************************************************************
  * common/up_internal.h
  *
- *   Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -64,11 +64,11 @@
 
 #if defined(CONFIG_Z16_LOWPUTC) || defined(CONFIG_Z16_LOWGETC) || \
     CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
-#  define CONFIG_USE_LOWCONSOLE 1
-#  define CONFIG_USE_LOWUARTINIT 1
+#  define USE_LOWCONSOLE 1
+#  define USE_LOWUARTINIT 1
 #elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-#  define CONFIG_USE_SERIALDRIVER 1
-#  define CONFIG_USE_EARLYSERIALINIT 1
+#  define USE_SERIALDRIVER 1
+#  define USE_EARLYSERIALINIT 1
 #endif
  
 /* Macros for portability */
@@ -131,15 +131,21 @@ void up_addregion(void);
 
 /* Defined in up_serial.c */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 extern void up_earlyserialinit(void);
 extern void up_serialinit(void);
 #endif
 
-#ifdef CONFIG_USE_LOWCONSOLE
+#ifdef USE_LOWCONSOLE
 extern void lowconsole_init(void);
 #endif
 
+/* Defined in drivers/ramlog.c */
+
+#ifdef CONFIG_RAMLOG_CONSOLE
+extern void ramlog_consoleinit(void);
+#endif
+
 /* Defined in up_timerisr.c */
 
 extern void up_timerinit(void);
diff --git a/nuttx/arch/z16/src/z16f/z16f_head.S b/nuttx/arch/z16/src/z16f/z16f_head.S
index 569b0a3fdb..db757d6d76 100755
--- a/nuttx/arch/z16/src/z16f/z16f_head.S
+++ b/nuttx/arch/z16/src/z16f/z16f_head.S
@@ -2,8 +2,8 @@
  * arch/z16/src/z16f/z16f_head.S
  * Z16F Reset Entry Point
  *
- *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -55,9 +55,9 @@
 #ifdef CONFIG_ARCH_LEDS
 	xref	_up_ledinit:EROM
 #endif
-#if defined(CONFIG_USE_LOWUARTINIT)
+#if defined(USE_LOWUARTINIT)
 	xref	_z16f_lowuartinit:EROM
-#elif defined(CONFIG_USE_EARLYSERIALINIT)
+#elif defined(USE_EARLYSERIALINIT)
 	xref	_up_earlyserialinit:EROM
 #endif
 	xref	_os_start:EROM
@@ -161,7 +161,7 @@ _z16f_reset:
 #endif
 	/* Perform VERY early UART initialization so that we can use it here */
 
-#ifdef CONFIG_USE_LOWUARTINIT
+#ifdef USE_LOWUARTINIT
 	call	_z16f_lowuartinit	/* Initialize the UART for debugging */
 #endif
 	/* Initialize the hardware stack overflow register */
@@ -214,7 +214,7 @@ _z16f_reset8:
 
 	call	_z16f_lowinit		/* Perform low-level hardware initialization */
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 	/* Perform early serial initialization */
 
 	call	_up_earlyserialinit
diff --git a/nuttx/arch/z16/src/z16f/z16f_lowuart.S b/nuttx/arch/z16/src/z16f/z16f_lowuart.S
index 1df5b62caf..1aa11a557c 100755
--- a/nuttx/arch/z16/src/z16f/z16f_lowuart.S
+++ b/nuttx/arch/z16/src/z16f/z16f_lowuart.S
@@ -2,8 +2,8 @@
  * arch/z16/src/z16f/z16f_lowuart.asm
  * Z16F UART management
  *
- *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -42,7 +42,7 @@
 #include "chip/chip.h"
 #include "common/up_internal.h"
 
-#ifdef CONFIG_USE_LOWUARTINIT
+#ifdef USE_LOWUARTINIT
 
 /*************************************************************************
  * External References / External Definitions
@@ -121,7 +121,7 @@ _z16f_lowuartinit:
 	ld.b	Z16F_UART0_CTL0, r0	/* Z16F_UART0_CTL0 = %c0 */
 #endif
 	ret				/* Return */
-#endif /* CONFIG_USE_LOWUARTINIT */
+#endif /* USE_LOWUARTINIT */
 
 /*************************************************************************
  * Name: _up_lowputc
diff --git a/nuttx/arch/z16/src/z16f/z16f_serial.c b/nuttx/arch/z16/src/z16f/z16f_serial.c
index 20b888caf1..ffe03decc1 100644
--- a/nuttx/arch/z16/src/z16f/z16f_serial.c
+++ b/nuttx/arch/z16/src/z16f/z16f_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/z16/src/z16f/z16f_serial.c
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -57,7 +57,7 @@
 #include "os_internal.h"
 #include "up_internal.h"
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /****************************************************************************
  * Definitions
@@ -737,7 +737,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Definitions
@@ -803,4 +803,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/z80/src/common/up_initialize.c b/nuttx/arch/z80/src/common/up_initialize.c
index 1c71fa5173..a4659a2e93 100644
--- a/nuttx/arch/z80/src/common/up_initialize.c
+++ b/nuttx/arch/z80/src/common/up_initialize.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/up_initialize.c
  *
- *   Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -153,14 +153,18 @@ void up_initialize(void)
 
   /* Initialize the serial device driver */
 
-#ifdef CONFIG_USE_LOWUARTINIT
+#ifdef USE_LOWUARTINIT
   up_lowuartinit();
 #endif
 
-#ifdef CONFIG_USE_SERIALDRIVER
+  /* Initialize the console device driver */
+
+#if defined(USE_SERIALDRIVER)
   up_serialinit();
 #elif defined(CONFIG_DEV_LOWCONSOLE)
   lowconsole_init();
+#elif defined(CONFIG_RAMLOG_CONSOLE)
+  ramlog_consoleinit();
 #endif
 
   /* Initialize the netwok */
diff --git a/nuttx/arch/z80/src/common/up_internal.h b/nuttx/arch/z80/src/common/up_internal.h
index 2e5afb2e32..919a74353b 100644
--- a/nuttx/arch/z80/src/common/up_internal.h
+++ b/nuttx/arch/z80/src/common/up_internal.h
@@ -69,15 +69,15 @@
 /* Determine which (if any) console driver to use */
 
 #if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
-#  undef CONFIG_USE_SERIALDRIVER
+#  undef USE_SERIALDRIVER
 #  ifdef CONFIG_HAVE_LOWUARTINIT
-#    define CONFIG_USE_LOWUARTINIT 1
+#    define USE_LOWUARTINIT 1
 #  else
-#    undef CONFIG_USE_LOWUARTINIT
+#    undef USE_LOWUARTINIT
 #  endif
 #elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-#  define CONFIG_USE_SERIALDRIVER 1
-#  undef CONFIG_USE_LOWUARTINIT
+#  define USE_SERIALDRIVER 1
+#  undef USE_LOWUARTINIT
 #endif
 
 /****************************************************************************
@@ -105,7 +105,7 @@ extern "C" {
 EXTERN void up_irqinitialize(void);
 EXTERN int  up_timerisr(int irq, FAR chipreg_t *regs);
 
-#ifdef CONFIG_USE_LOWUARTINIT
+#ifdef USE_LOWUARTINIT
 EXTERN void up_lowuartinit(void);
 #endif
 
@@ -125,7 +125,7 @@ void up_addregion(void);
 
 /* Defined in up_serial.c */
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 EXTERN void up_serialinit(void);
 #else
 # define up_serialinit()
@@ -139,6 +139,14 @@ EXTERN void lowconsole_init(void);
 # define lowconsole_init()
 #endif
 
+/* Defined in drivers/ramlog.c */
+
+#ifdef CONFIG_RAMLOG_CONSOLE
+extern void ramlog_consoleinit(void);
+#else
+# define ramlog_consoleinit()
+#endif
+
 /* Low level string output */
 
 extern void up_puts(const char *str);
diff --git a/nuttx/arch/z80/src/ez80/ez80_lowuart.c b/nuttx/arch/z80/src/ez80/ez80_lowuart.c
index 307cecc599..ed4f92faca 100644
--- a/nuttx/arch/z80/src/ez80/ez80_lowuart.c
+++ b/nuttx/arch/z80/src/ez80/ez80_lowuart.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_loweruart.c
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -49,7 +49,7 @@
 #include "chip/chip.h"
 #include "common/up_internal.h"
 
-#ifdef CONFIG_USE_LOWUARTINIT
+#ifdef USE_LOWUARTINIT
 
 /****************************************************************************
  * Private Definitions
@@ -253,4 +253,4 @@ void up_lowuartinit(void)
 #endif /* HAVE_SERIAL */
 }
 
-#endif /* CONFIG_USE_LOWUARTINIT */
+#endif /* USE_LOWUARTINIT */
diff --git a/nuttx/arch/z80/src/ez80/ez80_serial.c b/nuttx/arch/z80/src/ez80/ez80_serial.c
index 7b3ea74099..8fbbe46c13 100644
--- a/nuttx/arch/z80/src/ez80/ez80_serial.c
+++ b/nuttx/arch/z80/src/ez80/ez80_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez08/ez80_serial.c
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -58,7 +58,7 @@
 #include "os_internal.h"
 #include "up_internal.h"
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /****************************************************************************
  * Definitions
@@ -774,7 +774,7 @@ int up_putc(int ch)
 #endif
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Definitions
@@ -839,4 +839,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/arch/z80/src/z8/z8_lowuart.c b/nuttx/arch/z80/src/z8/z8_lowuart.c
index 15a7999ec6..07832572c2 100644
--- a/nuttx/arch/z80/src/z8/z8_lowuart.c
+++ b/nuttx/arch/z80/src/z8/z8_lowuart.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/z80/src/z8/z8_loweruart.c
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -49,7 +49,7 @@
 #include "chip/chip.h"
 #include "common/up_internal.h"
 
-#ifdef CONFIG_USE_LOWUARTINIT
+#ifdef USE_LOWUARTINIT
 
 extern uint32_t get_freq(void);
 
@@ -127,4 +127,4 @@ void up_lowuartinit(void)
   putreg8(0xc0, U1CTL0);          /* Transmit enable, Receive enable, no Parity, 1 Stop bit */
 #endif
 }
-#endif /* CONFIG_USE_LOWUARTINIT */
\ No newline at end of file
+#endif /* USE_LOWUARTINIT */
\ No newline at end of file
diff --git a/nuttx/arch/z80/src/z8/z8_serial.c b/nuttx/arch/z80/src/z8/z8_serial.c
index f1427eaae8..db13ab67d2 100755
--- a/nuttx/arch/z80/src/z8/z8_serial.c
+++ b/nuttx/arch/z80/src/z8/z8_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * arch/z80/src/z8/z8_serial.c
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -58,7 +58,7 @@
 #include "os_internal.h"
 #include "up_internal.h"
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 extern uint32_t get_freq(void);
 
@@ -790,7 +790,7 @@ int up_putc(int ch)
   return ch;
 }
 
-#else /* CONFIG_USE_SERIALDRIVER */
+#else /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Definitions
@@ -856,4 +856,4 @@ int up_putc(int ch)
   return ch;
 }
 
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt
index fc1743ced5..a69c51e7e2 100644
--- a/nuttx/configs/README.txt
+++ b/nuttx/configs/README.txt
@@ -303,6 +303,9 @@ defconfig -- This is a configuration file similar to the Linux
 		  CONFIG_GREGORIAN_TIME in order to use Julian time.
 		CONFIG_DEV_CONSOLE - Set if architecture-specific logic
 		  provides /dev/console.  Enables stdout, stderr, stdin.
+		  This implies the "normal" serial driver provides the
+		  console unless another console device is specified
+		  (See CONFIG_DEV_LOWCONSOLE).
 		CONFIG_MUTEX_TYPES - Set to enable support for recursive and
 		  errorcheck mutexes.  Enables pthread_mutexattr_settype().
 		CONFIG_PRIORITY_INHERITANCE - Set to enable support for
diff --git a/nuttx/configs/demo9s12ne64/ostest/defconfig b/nuttx/configs/demo9s12ne64/ostest/defconfig
index 52252cf3df..fbb39a52d5 100755
--- a/nuttx/configs/demo9s12ne64/ostest/defconfig
+++ b/nuttx/configs/demo9s12ne64/ostest/defconfig
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/demo9s12ne64/ostest/defconfig
 #
-#   Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2009-2010, 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/configs/ne64badge/ostest/defconfig b/nuttx/configs/ne64badge/ostest/defconfig
index 7af1d943bf..b39d11d449 100755
--- a/nuttx/configs/ne64badge/ostest/defconfig
+++ b/nuttx/configs/ne64badge/ostest/defconfig
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/ne64badge/ostest/defconfig
 #
-#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/configs/ntosd-dm320/uip/defconfig b/nuttx/configs/ntosd-dm320/uip/defconfig
index 8b4d65dcfe..a57bb94839 100644
--- a/nuttx/configs/ntosd-dm320/uip/defconfig
+++ b/nuttx/configs/ntosd-dm320/uip/defconfig
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/ntosd-dm320/uip/defconfig
 #
-#   Copyright (C) 2007-2010 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2007-2010, 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/configs/pjrc-8051/defconfig b/nuttx/configs/pjrc-8051/defconfig
index add9fa13dc..706cb17927 100644
--- a/nuttx/configs/pjrc-8051/defconfig
+++ b/nuttx/configs/pjrc-8051/defconfig
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/pjrc-8051/defconfig
 #
-#   Copyright (C) 2007-2011 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2007-2011, 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/configs/skp16c26/src/up_lcdconsole.c b/nuttx/configs/skp16c26/src/up_lcdconsole.c
index c4e1d0e790..1ae00fb222 100644
--- a/nuttx/configs/skp16c26/src/up_lcdconsole.c
+++ b/nuttx/configs/skp16c26/src/up_lcdconsole.c
@@ -1,8 +1,8 @@
 /************************************************************************************
  * configs/scp16c26/src/up_lcd.c
  *
- *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -84,7 +84,7 @@
  *
  ************************************************************************************/
 
-#ifdef CONFIG_USE_EARLYSERIALINIT
+#ifdef USE_EARLYSERIALINIT
 # warning "You probably need to define CONFIG_ARCH_LOWCONSOLE"
 void up_earlyconsoleinit(void)
 {
@@ -101,7 +101,7 @@ void up_earlyconsoleinit(void)
  *
  ************************************************************************************/
 
-#if CONFIG_USE_SERIALDRIVER
+#if USE_SERIALDRIVER
 # warning "You probably need to define CONFIG_ARCH_LOWCONSOLE"
 void up_consoleinit(void)
 {
diff --git a/nuttx/configs/xtrs/nsh/defconfig b/nuttx/configs/xtrs/nsh/defconfig
index c7c4e48a78..b592109231 100644
--- a/nuttx/configs/xtrs/nsh/defconfig
+++ b/nuttx/configs/xtrs/nsh/defconfig
@@ -1,8 +1,8 @@
 ############################################################################
 # sim/xtrs/nsh/defconfig
 #
-#   Copyright (C) 2007-2010 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2007-2010, 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/configs/xtrs/ostest/defconfig b/nuttx/configs/xtrs/ostest/defconfig
index 582caa1c70..be9e82c73f 100644
--- a/nuttx/configs/xtrs/ostest/defconfig
+++ b/nuttx/configs/xtrs/ostest/defconfig
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/xtrs/ostest/defconfig
 #
-#   Copyright (C) 2008-2010 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2008-2010, 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/configs/xtrs/pashello/defconfig b/nuttx/configs/xtrs/pashello/defconfig
index a05103b82c..dc5f45044d 100644
--- a/nuttx/configs/xtrs/pashello/defconfig
+++ b/nuttx/configs/xtrs/pashello/defconfig
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/xtrs/pashello/defconfig
 #
-#   Copyright (C) 2008-2010 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2008-2010, 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/configs/xtrs/src/xtr_serial.c b/nuttx/configs/xtrs/src/xtr_serial.c
index f37d2876a8..c0c9f1f4c8 100644
--- a/nuttx/configs/xtrs/src/xtr_serial.c
+++ b/nuttx/configs/xtrs/src/xtr_serial.c
@@ -6,7 +6,7 @@
  *
  * This file is a part of NuttX and hence
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -60,7 +60,7 @@
 #include "os_internal.h"
 #include "up_internal.h"
 
-#ifdef CONFIG_USE_SERIAL_DRIVER
+#ifdef USE_SERIAL_DRIVER
 
 /****************************************************************************
  * Definitions
@@ -393,7 +393,7 @@ void up_serialinit(void)
   (void)uart_register("/dev/console", &g_uartport);
   (void)uart_register("/dev/ttyS0", &g_uartport);
 }
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
diff --git a/nuttx/configs/z80sim/ostest/defconfig b/nuttx/configs/z80sim/ostest/defconfig
index e32d2612b6..e51a2fb48a 100644
--- a/nuttx/configs/z80sim/ostest/defconfig
+++ b/nuttx/configs/z80sim/ostest/defconfig
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/z80sim/ostest/defconfig
 #
-#   Copyright (C) 2007-2010 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2007-2010, 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/configs/z80sim/src/z80_serial.c b/nuttx/configs/z80sim/src/z80_serial.c
index 0e66c804fb..bdb4e62217 100644
--- a/nuttx/configs/z80sim/src/z80_serial.c
+++ b/nuttx/configs/z80sim/src/z80_serial.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * board/z80_serial.c
  *
- *   Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -56,7 +56,7 @@
 #include "os_internal.h"
 #include "up_internal.h"
 
-#ifdef CONFIG_USE_SERIALDRIVER
+#ifdef USE_SERIALDRIVER
 
 /****************************************************************************
  * Definitions
@@ -342,7 +342,7 @@ void up_serialinit(void)
   (void)uart_register("/dev/console", &g_uartport);
   (void)uart_register("/dev/ttyS0", &g_uartport);
 }
-#endif /* CONFIG_USE_SERIALDRIVER */
+#endif /* USE_SERIALDRIVER */
 
 /****************************************************************************
  * Name: up_putc
diff --git a/nuttx/configs/z8encore000zco/ostest/defconfig b/nuttx/configs/z8encore000zco/ostest/defconfig
index 8caa8dfb4f..83b08c963e 100644
--- a/nuttx/configs/z8encore000zco/ostest/defconfig
+++ b/nuttx/configs/z8encore000zco/ostest/defconfig
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/z8encore000zco/ostest/defconfig
 #
-#   Copyright (C) 2008-2010 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2008-2010, 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/configs/z8f64200100kit/ostest/defconfig b/nuttx/configs/z8f64200100kit/ostest/defconfig
index a5c501ec8b..4448f34ad5 100644
--- a/nuttx/configs/z8f64200100kit/ostest/defconfig
+++ b/nuttx/configs/z8f64200100kit/ostest/defconfig
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/z8f64200100kit/ostest/defconfig
 #
-#   Copyright (C) 2008, 2010 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2008, 2010, 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/drivers/ramlog.c b/nuttx/drivers/ramlog.c
index 79f57636cd..741979e7fa 100644
--- a/nuttx/drivers/ramlog.c
+++ b/nuttx/drivers/ramlog.c
@@ -56,7 +56,7 @@
 #include <nuttx/kmalloc.h>
 #include <nuttx/fs.h>
 #include <nuttx/arch.h>
-//#include <nuttx/ramlog.h>
+#include <nuttx/ramlog.h>
 
 #include <arch/irq.h>
 
@@ -65,23 +65,6 @@
 /****************************************************************************
  * Private Types
  ****************************************************************************/
-/* Configuration ************************************************************/
-/* CONFIG_RAMLOG - Enables the RAM logging feature
- * CONFIG_RAMLOG_CONSOLE - Use the RAM logging device as a system console.
- * CONFIG_RAMLOG_SYSLOG - Use the RAM logging device for the syslogging
- *   interface.  This should have:
- *   CONFIG_SYSLOG=ramlog
- * CONFIG_RAMLOG_NPOLLWAITERS - The number of threads than can be waiting
- *   for this driver on poll().  Default: 4
- */
-
-#ifndef CONFIG_RAMLOG_NPOLLWAITERS
-#  define CONFIG_RAMLOG_NPOLLWAITERS 4
-#endif
-
-#ifndef CONFIG_SYSLOG
-#  undef CONFIG_RAMLOG_SYSLOG
-#endif
 
 /****************************************************************************
  * Private Types
@@ -91,7 +74,7 @@ struct ramlog_dev_s
 {
   volatile uint8_t  rl_nwaiters;     /* Number of threads waiting for data */
   volatile uint16_t rl_head;         /* The head index (where data is added) */
-  volatile uint16_t rl_tail;         /* The tail index (where data is remove) */
+  volatile uint16_t rl_tail;         /* The tail index (where data is removed) */
   sem_t             rl_exclsem;      /* Enforces mutually exclusive access */
   sem_t             rl_waitsem;      /* Used to wait for data */
   size_t            rl_bufsize;      /* Size of the RAM buffer */
@@ -135,6 +118,12 @@ static const struct file_operations g_ramlogfops =
 #endif
 };
 
+/* This is the pre-allocated buffer used for the console RAM log */
+
+#ifdef CONFIG_RAMLOG_CONSOLE
+static char g_consoleramlog[CONFIG_RAMLOG_CONSOLE_BUFSIZE];
+#endif
+
 /****************************************************************************
  * Private Functions
  ****************************************************************************/
@@ -571,6 +560,25 @@ int ramlog_register(FAR const char *devpath, FAR char *buffer, size_t buflen)
 }
 
 /****************************************************************************
+ * Name: ramlog_consoleinit
+ *
+ * Description:
+ *   Create the RAM logging device and register it at the specified path.
+ *   Mostly likely this path will be /dev/console
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_RAMLOG_CONSOLE
+int ramlog_consoleinit(void)
+{
+  /* Register a RAM log as the console device */
+
+  return ramlog_register("/dev/console", g_consoleramlog,
+                         CONFIG_RAMLOG_CONSOLE_BUFSIZE);
+}
+#endif
+
+/****************************************************************************
  * Name: ramlog
  *
  * Description:
diff --git a/nuttx/drivers/serial/serial.c b/nuttx/drivers/serial/serial.c
index cff8107431..2d09574f99 100644
--- a/nuttx/drivers/serial/serial.c
+++ b/nuttx/drivers/serial/serial.c
@@ -1,8 +1,8 @@
 /************************************************************************************
  * drivers/serial/serial.c
  *
- *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007-2009, 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -139,7 +139,7 @@ static void uart_pollnotify(FAR uart_dev_t *dev, pollevent_t eventset)
 {
   int i;
 
-  for (i = 0; i < CONFIG_DEV_CONSOLE_NPOLLWAITERS; i++)
+  for (i = 0; i < CONFIG_SERIAL_NPOLLWAITERS; i++)
     {
       struct pollfd *fds = dev->fds[i];
       if (fds)
@@ -449,7 +449,7 @@ int uart_poll(FAR struct file *filep, FAR struct pollfd *fds, bool setup)
        * slot for the poll structure reference
        */
 
-      for (i = 0; i < CONFIG_DEV_CONSOLE_NPOLLWAITERS; i++)
+      for (i = 0; i < CONFIG_SERIAL_NPOLLWAITERS; i++)
         {
           /* Find an available slot */
 
@@ -463,7 +463,7 @@ int uart_poll(FAR struct file *filep, FAR struct pollfd *fds, bool setup)
             }
         }
 
-      if (i >= CONFIG_DEV_CONSOLE_NPOLLWAITERS)
+      if (i >= CONFIG_SERIAL_NPOLLWAITERS)
         {
           fds->priv    = NULL;
           ret          = -EBUSY;
diff --git a/nuttx/include/nuttx/ramlog.h b/nuttx/include/nuttx/ramlog.h
new file mode 100644
index 0000000000..4f42de9654
--- /dev/null
+++ b/nuttx/include/nuttx/ramlog.h
@@ -0,0 +1,151 @@
+/****************************************************************************
+ * include/nuttx/ramlog.h
+ * The RAM logging driver
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+/* The RAM logging driver is a driver that was intended to support debugging
+ * output (syslogging) when the normal serial output is not available.  For
+ * example, if you are using a telnet or USB serial console, the debug
+ * output will get lost.
+ * 
+ * The RAM logging  driver is similar to a pipe in that it saves the
+ * debugging output in a FIFO in RAM.  It differs from a pipe in numerous
+ * details as needed to support logging.
+ *
+ * This driver is built when CONFIG_RAMLOG is defined in the Nuttx
+ * configuration.
+ */
+
+#ifndef __INCLUDE_NUTTX_RAMLOG_H
+#define __INCLUDE_NUTTX_RAMLOG_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#ifdef CONFIG_RAMLOG
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+/* CONFIG_RAMLOG - Enables the RAM logging feature
+ * CONFIG_RAMLOG_CONSOLE - Use the RAM logging device as a system console.
+ * CONFIG_RAMLOG_SYSLOG - Use the RAM logging device for the syslogging
+ *   interface.  This should have:
+ *   CONFIG_SYSLOG=ramlog
+ * CONFIG_RAMLOG_NPOLLWAITERS - The number of threads than can be waiting
+ *   for this driver on poll().  Default: 4
+ *
+ * If CONFIG_RAMLOG_CONSOLE is selected, then the following may also be
+ * provided:
+ *
+ * CONFIG_RAMLOG_CONSOLE_BUFSIZE - Size of the console RAM log.  Default: 1024
+ */
+
+#ifndef CONFIG_RAMLOG_NPOLLWAITERS
+#  define CONFIG_RAMLOG_NPOLLWAITERS 4
+#endif
+
+#ifndef CONFIG_SYSLOG
+#  undef CONFIG_RAMLOG_SYSLOG
+#endif
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+/****************************************************************************
+ * Name: ramlog_register
+ *
+ * Description:
+ *   Create the RAM logging device and register it at the specified path.
+ *   Mostly likely this path will be /dev/console
+ *
+ ****************************************************************************/
+
+EXTERN int ramlog_register(FAR const char *devpath, FAR char *buffer,
+                           size_t buflen);
+
+/****************************************************************************
+ * Name: ramlog_consoleinit
+ *
+ * Description:
+ *   Create the RAM logging device and register it at the specified path.
+ *   Mostly likely this path will be /dev/console
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_RAMLOG_CONSOLE
+EXTERN int ramlog_consoleinit(void)
+#endif
+
+/****************************************************************************
+ * Name: ramlog
+ *
+ * Description:
+ *   This is the low-level system logging interface.  The debugging/syslogging
+ *   interfaces are lib_rawprintf() and lib_lowprinf().  The difference is
+ *   the lib_rawprintf() writes to fd=1 (stdout) and lib_lowprintf() uses
+ *   a lower level interface that works from interrupt handlers.  This
+ *   function is a a low-level interface used to implement lib_lowprintf()
+ *   when CONFIG_RAMLOG_SYSLOG=y and CONFIG_SYSLOG=ramlog
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_RAMLOG_SYSLOG
+#  warning "Missing logic"
+#endif
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif /* CONFIG_RAMLOG */
+#endif /* __INCLUDE_NUTTX_RAMLOG_H */
diff --git a/nuttx/include/nuttx/serial.h b/nuttx/include/nuttx/serial.h
index 8a1b1f4444..880bc1c01e 100644
--- a/nuttx/include/nuttx/serial.h
+++ b/nuttx/include/nuttx/serial.h
@@ -54,8 +54,8 @@
 
 /* Maximum number of threads than can be waiting for POLL events */
 
-#ifndef CONFIG_DEV_CONSOLE_NPOLLWAITERS
-#  define CONFIG_DEV_CONSOLE_NPOLLWAITERS 2
+#ifndef CONFIG_SERIAL_NPOLLWAITERS
+#  define CONFIG_SERIAL_NPOLLWAITERS 2
 #endif
 
 /* vtable access helpers */
@@ -211,7 +211,7 @@ struct uart_dev_s
    */
 
 #ifndef CONFIG_DISABLE_POLL
-  struct pollfd *fds[CONFIG_DEV_CONSOLE_NPOLLWAITERS];
+  struct pollfd *fds[CONFIG_SERIAL_NPOLLWAITERS];
 #endif
 
 };