Makesystem changes to better support different SoCs

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@184 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 11 insertions, 2 deletions

diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt
index f09046dff..ac1565f84 100644
--- a/nuttx/configs/README.txt
+++ b/nuttx/configs/README.txt
@@ -104,8 +104,13 @@ defconfig -- This is a configuration file similar to the Linux
 
 	Architecture selection:
 
-		CONFIG_ARCH - identifies the arch/ subdirectory
-		CONFIG_ARCH_name - for use in C code
+		CONFIG_ARCH - Identifies the arch/ subdirectory
+		CONFIG_ARCH_name - For use in C code
+		CONFIG_ARCH_CHIP - Identifies the arch/*/chip subdirectory
+		CONFIG_ARCH_CHIP_name - For use in C code
+		CONFIG_ARCH_BOARD - Identifies the configs subdirectory and
+		   hence, the board that supports the particular chip or SoC.
+		CONFIG_ARCH_BOARD_name - For use in C code
 
 	General OS setup
 
@@ -220,6 +225,10 @@ configs/c5471evm
     with a GNU arm-elf toolchain*. This port is complete, verified, and
     included in the NuttX release.
 
+configs/mcu123-lpc214x
+    This is a port to the mcu123.com lpc214x development board.
+    This OS is also built with the the arm-elf toolchain*
+
 configs/ntosd-dm320
     This port uses the Neuros OSD with a GNU arm-elf toolchain*:
     see http://wiki.neurostechnology.com/index.php/Developer_Welcome .