-/* For RTL8139 */
-#define KSEG1ADDR(x) ({u32 _x=le32_to_cpu(*(u32 *)(x)); (&_x);})
-#define _IO_BASE 0x00000000
-
-#define CONFIG_SYS_PCI2_MEM_BASE (CONFIG_SYS_PCI1_MEM_BASE \
+#ifdef CONFIG_PHYS_64BIT
+/*
+ * Use the same PCI bus address on PCI1 and PCI2 if we have PHYS_64BIT.
+ * This will increase the amount of PCI address space available for
+ * for mapping RAM.
+ */
+#define CONFIG_SYS_PCI2_MEM_BUS CONFIG_SYS_PCI1_MEM_BUS
+#else
+#define CONFIG_SYS_PCI2_MEM_BUS (CONFIG_SYS_PCI1_MEM_BUS \
+ + CONFIG_SYS_PCI1_MEM_SIZE)
+#endif
+#define CONFIG_SYS_PCI2_MEM_VIRT (CONFIG_SYS_PCI1_MEM_VIRT \