iop: when scanning PCI bus, translate the PCI addresses according to the outbound window settings

... otherwise we end up trying to access peripherals using wrong PCI
addresses.

Cc: Lennert Buytenhek <kernel@wantstofly.org>
Acked-by: NDan Williams <dan.j.williams@intel.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/plat-iop/pci.c

@@ -209,8 +209,11 @@ int iop3xx_pci_setup(int nr, struct pci_sys_data *sys)
 	res[1].flags = IORESOURCE_MEM;
 	request_resource(&iomem_resource, &res[1]);
 
-	sys->mem_offset = IOP3XX_PCI_LOWER_MEM_PA - IOP3XX_PCI_LOWER_MEM_BA;
-	sys->io_offset  = IOP3XX_PCI_LOWER_IO_PA - IOP3XX_PCI_LOWER_IO_BA;
+	/*
+	 * Use whatever translation is already setup.
+	 */
+	sys->mem_offset = IOP3XX_PCI_LOWER_MEM_PA - *IOP3XX_OMWTVR0;
+	sys->io_offset  = IOP3XX_PCI_LOWER_IO_PA - *IOP3XX_OIOWTVR;
 
 	sys->resource[0] = &res[0];
 	sys->resource[1] = &res[1];