--- /dev/null
+--- a/arch/powerpc/platforms/4xx/pci.c
++++ b/arch/powerpc/platforms/4xx/pci.c
+@@ -1900,9 +1900,9 @@ static void __init ppc4xx_configure_pcie
+ * if it works
+ */
+ out_le32(mbase + PECFG_PIM0LAL, 0x00000000);
+- out_le32(mbase + PECFG_PIM0LAH, 0x00000000);
++ out_le32(mbase + PECFG_PIM0LAH, 0x00000008);
+ out_le32(mbase + PECFG_PIM1LAL, 0x00000000);
+- out_le32(mbase + PECFG_PIM1LAH, 0x00000000);
++ out_le32(mbase + PECFG_PIM1LAH, 0x0000000c);
+ out_le32(mbase + PECFG_PIM01SAH, 0xffff0000);
+ out_le32(mbase + PECFG_PIM01SAL, 0x00000000);
+