diff --git a/arch/arm/plat-iop/pci.c b/arch/arm/plat-iop/pci.c
index 43f2b15..845549c 100644
--- a/arch/arm/plat-iop/pci.c
+++ b/arch/arm/plat-iop/pci.c
@@ -374,6 +374,9 @@
 
 void __init iop3xx_pci_preinit(void)
 {
+	pcibios_min_io = 0;
+	pcibios_min_mem = 0;
+
 	iop3xx_atu_disable();
 	iop3xx_atu_setup();
 	iop3xx_atu_debug();