+/* Get a virtual address associated with a BAR region */
+void *pci_map_bar(pci_dev_t pdev, int bar, int flags)
+{
+ pci_addr_t pci_bus_addr;
+ u32 bar_response;
+
+ /* read BAR address */
+ pci_read_config_dword(pdev, bar, &bar_response);
+ pci_bus_addr = (pci_addr_t)(bar_response & ~0xf);
+
+ /*
+ * Pass "0" as the length argument to pci_bus_to_virt. The arg
+ * isn't actualy used on any platform because u-boot assumes a static
+ * linear mapping. In the future, this could read the BAR size
+ * and pass that as the size if needed.
+ */
+ return pci_bus_to_virt(pdev, pci_bus_addr, flags, 0, MAP_NOCACHE);
+}
+