I don't see anywhere that BCM1480HT sets mips_io_port_base (but maybe I missed it). We *do* set bcm1480ht_controller.io_map_base, so pci_iomap() should work, but without mips_io_port_base, I don't think inb() et al. will work. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@xxxxxx> diff --git a/arch/mips/pci/pci-bcm1480ht.c b/arch/mips/pci/pci-bcm1480ht.c index 0fd0222..021e959 100644 --- a/arch/mips/pci/pci-bcm1480ht.c +++ b/arch/mips/pci/pci-bcm1480ht.c @@ -205,6 +205,7 @@ static int __init bcm1480ht_pcibios_init(void) 4 * 1024 * 1024); bcm1480ht_controller.io_map_base = (unsigned long) ioremap(A_BCM1480_PHYS_HT_IO_MATCH_BYTES, 65536); + set_io_port_base(bcm1480ht_controller.io_map_base); register_pci_controller(&bcm1480ht_controller);
