--- zzzz-none-000/linux-2.4.17/arch/mips/ddb5074/setup.c	2001-04-14 03:26:07.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/arch/mips/ddb5074/setup.c	2004-11-24 13:22:40.000000000 +0000
@@ -96,7 +96,7 @@
 	extern int panic_timeout;
 
 	irq_setup = ddb_irq_setup;
-	mips_io_port_base = NILE4_PCI_IO_BASE;
+	set_io_port_base(NILE4_PCI_IO_BASE);
 	isa_slot_offset = NILE4_PCI_MEM_BASE;
 	request_region(0x00, 0x20, "dma1");
 	request_region(0x40, 0x20, "timer");