mpc83xx: Set PCI I/O bus-address base to zero.
The device trees for these boards describe PCI I/O as starting from
address zero from the device's perspective.
Placing I/O elsewhere may cause problems with certain PCI boards, and may
cause problems with Linux.
Signed-off-by: Scott Wood <scottwood@freescale.com>
diff --git a/include/configs/MPC837XERDB.h b/include/configs/MPC837XERDB.h
index 3b5d035..b2f54e1 100644
--- a/include/configs/MPC837XERDB.h
+++ b/include/configs/MPC837XERDB.h
@@ -366,7 +366,7 @@
#define CFG_PCI_MMIO_BASE 0x90000000
#define CFG_PCI_MMIO_PHYS CFG_PCI_MMIO_BASE
#define CFG_PCI_MMIO_SIZE 0x10000000 /* 256M */
-#define CFG_PCI_IO_BASE 0xE0300000
+#define CFG_PCI_IO_BASE 0x00000000
#define CFG_PCI_IO_PHYS 0xE0300000
#define CFG_PCI_IO_SIZE 0x100000 /* 1M */