--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
-@@ -60,6 +60,21 @@ config BCM47XX
+@@ -60,6 +60,22 @@ config BCM47XX
help
Support for BCM47XX based boards
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_HAS_EARLY_PRINTK
+ select HW_HAS_PCI
++ select SWAP_IO_SPACE
+
config MIPS_COBALT
bool "Cobalt Server"
select CEVT_R4K
-@@ -633,6 +648,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
+@@ -633,6 +649,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
endchoice