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

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4380 42af7a65-404d-4744-a932-0658087f49c3

66 files changed, 508 insertions, 320 deletions

diff --git a/nuttx/arch/arm/src/arm/up_nommuhead.S b/nuttx/arch/arm/src/arm/up_nommuhead.S
index afd195192..aac95b73a 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 167111ddb..9d7ba0f19 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 306a44b49..6f98ac04d 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 6269ed8f8..df749b6da 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 120f19f72..b09104e57 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 65a6951ce..53c656b2d 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 984f51649..556eb4ebd 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 1e98b722f..dd1cd6873 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 1ebb894e1..c8f20fbdd 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 f1f5ac9ba..50384a1b9 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 292467d56..f3f762b52 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 80d483742..f5d1e3c01 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 427e3a103..abbe6e213 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 72d026aaa..678481154 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 13a69716b..a838e3143 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 d9b5fdfcb..a4cab8f05 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 7590c7c93..8d3a020c7 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 42da03bbd..7abe15d4d 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 7d8a7cc32..72eb91748 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 ceb15d6a2..770731882 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 4e32e8fa9..063de7a58 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 75cf8fa5c..aceda2c46 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 f589f18cb..9e103092f 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 5434e3429..b1b2af297 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 744e5865a..e83affa37 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 31389404c..1cc6731ac 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 004c8b2d1..72536083a 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 37a4c48dc..2fb04a1ca 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 d8d62488a..d1281491c 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 e0c2bae48..ff5c5490d 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 7505c162d..e6d2fb89e 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 f7a1b921e..5f8964f6c 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 88769bc0b..f75f38062 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 bf314ad49..e0a7968cc 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 bb0a4d512..8456f0e11 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 813fa9e8f..b3106b1d0 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 abbff8532..eed1b4135 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 e65b5627d..bc62be720 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 9385cee1c..a1973e94a 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 efc4ce4b0..22677dd0f 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 7b5ba365e..24d3e7765 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 15e242a6e..0a061990b 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 bca7656b8..25b5174a5 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 6000f7684..fd0c41552 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 0646a0037..334c03d1c 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 92587ba31..b81e3b972 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 7b1fb5f33..1b6e41635 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 72ab065ad..d0ab43761 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 d18b4af59..a3bc2485c 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 15a82fcda..9a52b9bb3 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 3f87ee4db..027da35fa 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 0ceeddbb6..92d4d3537 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 185d0afc0..f95a9bc74 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 20250c33d..3b58f696c 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 527ca0c05..4c7d462ea 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 063ccdf71..ab653f368 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 117d7f405..e0c8ffc61 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 569b0a3fd..db757d6d7 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 1df5b62ca..1aa11a557 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 20b888caf..ffe03decc 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 1c71fa517..a4659a2e9 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 2e5afb2e3..919a74353 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 307cecc59..ed4f92fac 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 7b3ea7409..8fbbe46c1 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 15a7999ec..07832572c 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 f1427eaae..db13ab67d 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 */