diff -Nru linux-2.6.19.2/arch/mips/Kconfig linux-ar7/arch/mips/Kconfig
--- linux-2.6.19.2/arch/mips/Kconfig 2006-12-12 02:32:53.000000000 +0700
+++ linux-ar7/arch/mips/Kconfig 2007-01-29 21:52:21.000000000 +0700
-@@ -12,6 +12,18 @@
+@@ -12,6 +12,19 @@
prompt "System type"
default SGI_IP22
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select NEED_MULTIPLE_NODES
++ select GENERIC_GPIO
+
config MIPS_MTX1
bool "4G Systems MTX-1 board"