diff --git a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c
index d44cc991179fddef3afbbdbe697b63726d8f53d7..7ed52dc340c95394cf3a8e5a2c1ef32ec3744ca7 100644
--- a/arch/ppc/platforms/lite5200.c
+++ b/arch/ppc/platforms/lite5200.c
@@ -196,8 +196,10 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 	mpc52xx_set_bat();
 
 	/* No ISA bus by default */
+#ifdef CONFIG_PCI
 	isa_io_base		= 0;
 	isa_mem_base		= 0;
+#endif
 
 	/* Powersave */
 	/* This is provided as an example on how to do it. But you
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index 84ac6e258eef723750fd0b7351ee249f5b3bbbee..df9cf6ed189d6bc7392dc308a9c465b31ece8212 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -27,6 +27,8 @@
 
 #if defined(CONFIG_4xx)
 #include <asm/ibm4xx.h>
+#elif defined(CONFIG_PPC_MPC52xx)
+#include <asm/mpc52xx.h>
 #elif defined(CONFIG_8xx)
 #include <asm/mpc8xx.h>
 #elif defined(CONFIG_8260)
diff --git a/include/asm-ppc/mpc52xx.h b/include/asm-ppc/mpc52xx.h
index 04d56301345ba71e4d3b710c1ef65c8d368a08ce..a055e0756b9d85e1ba72b34ec6c10b3ad72a1486 100644
--- a/include/asm-ppc/mpc52xx.h
+++ b/include/asm-ppc/mpc52xx.h
@@ -29,6 +29,17 @@ struct pt_regs;
 #endif /* __ASSEMBLY__ */
 
 
+#ifdef CONFIG_PCI
+#define _IO_BASE	isa_io_base
+#define _ISA_MEM_BASE	isa_mem_base
+#define PCI_DRAM_OFFSET	pci_dram_offset
+#else
+#define _IO_BASE	0
+#define _ISA_MEM_BASE	0
+#define PCI_DRAM_OFFSET	0
+#endif
+
+
 /* ======================================================================== */
 /* PPC Sys devices definition                                               */
 /* ======================================================================== */