diff --git a/configs/lpc4330-xplorer/README.txt b/configs/lpc4330-xplorer/README.txt
index c9dd08ac5a1..cc15746d499 100644
--- a/configs/lpc4330-xplorer/README.txt
+++ b/configs/lpc4330-xplorer/README.txt
@@ -146,7 +146,7 @@ GNU Toolchain Options
   the CodeSourcery or devkitARM toolchain, you simply need add one of the
   following configuration options to your .config (or defconfig) file:
 
-    CONFIG_LPC32_CODEREDW=y       : Code Red "RedSuite" under Windows
+    CONFIG_LPC43_CODEREDW=y       : Code Red "RedSuite" under Windows
     CONFIG_LPC43_CODESOURCERYW=y  : CodeSourcery under Windows
     CONFIG_LPC43_CODESOURCERYL=y  : CodeSourcery under Linux
     CONFIG_LPC43_ATOLLIC_LITE=y   : The free, "Lite" version of Atollic toolchain under Windows
@@ -431,7 +431,7 @@ Code Red IDE/Tools
   from SRAM.
 
     CONFIG_BOOT_SRAM=y             : Executing in SRAM
-    CONFIG_LPC32_CODEREDW=y        : Code Red under Windows
+    CONFIG_LPC43_CODEREDW=y        : Code Red under Windows
 
   To execute from SPIFI, you would need to set:
 
@@ -859,7 +859,7 @@ Where <subdir> is one of the following:
     executing directly from SRAM.
 
       CONFIG_BOOT_SRAM=y             : Executing in SRAM
-      CONFIG_LPC32_CODEREDW=y        : Code Red under Windows
+      CONFIG_LPC43_CODEREDW=y        : Code Red under Windows
 
     This configuration directory, performs a simple test of the USB host
     HID keyboard class driver using the test logic in examples/hidkbd.
@@ -899,7 +899,7 @@ Where <subdir> is one of the following:
     executing directly from SRAM.
 
       CONFIG_BOOT_SRAM=y             : Executing in SRAM
-      CONFIG_LPC32_CODEREDW=y        : Code Red under Windows
+      CONFIG_LPC43_CODEREDW=y        : Code Red under Windows
 
     To execute from SPIFI, you would need to set:
 
diff --git a/configs/lpc4330-xplorer/nsh/Make.defs b/configs/lpc4330-xplorer/nsh/Make.defs
index 22c48c57e90..db7b72815d4 100644
--- a/configs/lpc4330-xplorer/nsh/Make.defs
+++ b/configs/lpc4330-xplorer/nsh/Make.defs
@@ -38,7 +38,7 @@ include ${TOPDIR}/tools/Config.mk
 
 # Setup for the selected toolchain
 
-ifeq ($(CONFIG_LPC32_CODEREDW),y)
+ifeq ($(CONFIG_LPC43_CODEREDW),y)
   # Code Red RedSuite under Windows
   CROSSDEV = arm-none-eabi-
   ARCROSSDEV = arm-none-eabi-
diff --git a/configs/lpc4330-xplorer/nsh/defconfig b/configs/lpc4330-xplorer/nsh/defconfig
index db3474a4a6a..1396a6b9d60 100644
--- a/configs/lpc4330-xplorer/nsh/defconfig
+++ b/configs/lpc4330-xplorer/nsh/defconfig
@@ -39,6 +39,7 @@ CONFIG_ARCH="arm"
 CONFIG_ARCH_ARM=y
 CONFIG_ARCH_CORTEXM4=y
 CONFIG_ARCH_CHIP="lpc43xx"
+CONFIG_ARCH_CHIP_LPC43XX=y
 CONFIG_ARCH_CHIP_LPC4330FET100=y
 CONFIG_ARCH_BOARD="lpc4330-xplorer"
 CONFIG_ARCH_BOARD_LPC4330_XPLORER=y
@@ -71,7 +72,7 @@ CONFIG_BOOT_CS3FLASH=n
 #
 # Identify toolchain and linker options
 #
-CONFIG_LPC32_CODEREDW=y
+CONFIG_LPC43_CODEREDW=y
 CONFIG_LPC43_CODESOURCERYW=n
 CONFIG_LPC43_CODESOURCERYL=n
 CONFIG_LPC43_ATOLLIC_LITE=n
diff --git a/configs/lpc4330-xplorer/ostest/Make.defs b/configs/lpc4330-xplorer/ostest/Make.defs
index 22c48c57e90..db7b72815d4 100644
--- a/configs/lpc4330-xplorer/ostest/Make.defs
+++ b/configs/lpc4330-xplorer/ostest/Make.defs
@@ -38,7 +38,7 @@ include ${TOPDIR}/tools/Config.mk
 
 # Setup for the selected toolchain
 
-ifeq ($(CONFIG_LPC32_CODEREDW),y)
+ifeq ($(CONFIG_LPC43_CODEREDW),y)
   # Code Red RedSuite under Windows
   CROSSDEV = arm-none-eabi-
   ARCROSSDEV = arm-none-eabi-
diff --git a/configs/lpc4330-xplorer/ostest/defconfig b/configs/lpc4330-xplorer/ostest/defconfig
index 40af52c5a9b..5f58cd5447d 100644
--- a/configs/lpc4330-xplorer/ostest/defconfig
+++ b/configs/lpc4330-xplorer/ostest/defconfig
@@ -39,6 +39,7 @@ CONFIG_ARCH="arm"
 CONFIG_ARCH_ARM=y
 CONFIG_ARCH_CORTEXM4=y
 CONFIG_ARCH_CHIP="lpc43xx"
+CONFIG_ARCH_CHIP_LPC43XX=y
 CONFIG_ARCH_CHIP_LPC4330FET100=y
 CONFIG_ARCH_BOARD="lpc4330-xplorer"
 CONFIG_ARCH_BOARD_LPC4330_XPLORER=y
@@ -71,7 +72,7 @@ CONFIG_BOOT_CS3FLASH=n
 #
 # Identify toolchain and linker options
 #
-CONFIG_LPC32_CODEREDW=y
+CONFIG_LPC43_CODEREDW=y
 CONFIG_LPC43_CODESOURCERYW=n
 CONFIG_LPC43_CODESOURCERYL=n
 CONFIG_LPC43_ATOLLIC_LITE=n