diff -urN linux.old/arch/mips/Kconfig linux.dev/arch/mips/Kconfig
--- linux.old/arch/mips/Kconfig 2007-02-02 23:55:52.912446784 +0100
+++ linux.dev/arch/mips/Kconfig 2007-02-03 21:50:25.262027104 +0100
-@@ -45,6 +45,17 @@
+@@ -45,6 +45,18 @@
note that a kernel built with this option selected will not be
able to run on normal units.
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_32BIT_KERNEL
++ select GENERIC_GPIO
+
config MIPS_COBALT
bool "Cobalt Server"