mpc8641hpcn: Clean up PCI mapping concepts

Clean up PCI mapping concepts in the 8641 config - rename _BASE
to _BUS, as it's actually a PCI bus address, separate virtual
and physical addresses into _VIRT and _PHYS, and use each
appopriately.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
diff --git a/include/configs/MPC8641HPCN.h b/include/configs/MPC8641HPCN.h
index ceb8e54..ce94b7a 100644
--- a/include/configs/MPC8641HPCN.h
+++ b/include/configs/MPC8641HPCN.h
@@ -331,14 +331,17 @@
  * General PCI
  * Addresses are mapped 1-1.
  */
-#define CONFIG_SYS_PCI1_MEM_BASE	0x80000000
+
+#define CONFIG_SYS_PCI1_MEM_VIRT	0x80000000
 #ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_PCI1_MEM_BUS		CONFIG_SYS_PCI1_MEM_VIRT
 #define CONFIG_SYS_PCI1_MEM_PHYS	0x0000000c00000000ULL
 #else
-#define CONFIG_SYS_PCI1_MEM_PHYS	CONFIG_SYS_PCI1_MEM_BASE
+#define CONFIG_SYS_PCI1_MEM_BUS		CONFIG_SYS_PCI1_MEM_VIRT
+#define CONFIG_SYS_PCI1_MEM_PHYS	CONFIG_SYS_PCI1_MEM_VIRT
 #endif
 #define CONFIG_SYS_PCI1_MEM_SIZE	0x20000000	/* 512M */
-#define CONFIG_SYS_PCI1_IO_BASE	0x00000000
+#define CONFIG_SYS_PCI1_IO_BUS	0x00000000
 #define CONFIG_SYS_PCI1_IO_VIRT	0xffc00000
 #define CONFIG_SYS_PCI1_IO_PHYS	(CONFIG_SYS_PCI1_IO_VIRT \
 				 | CONFIG_SYS_PHYS_ADDR_HIGH)
@@ -348,12 +351,14 @@
 #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 \
+#define CONFIG_SYS_PCI2_MEM_BUS		(CONFIG_SYS_PCI1_MEM_BUS \
+					 + CONFIG_SYS_PCI1_MEM_SIZE)
+#define CONFIG_SYS_PCI2_MEM_VIRT 	(CONFIG_SYS_PCI1_MEM_VIRT \
 					 + CONFIG_SYS_PCI1_MEM_SIZE)
 #define CONFIG_SYS_PCI2_MEM_PHYS	(CONFIG_SYS_PCI1_MEM_PHYS \
 					 + CONFIG_SYS_PCI1_MEM_SIZE)
 #define CONFIG_SYS_PCI2_MEM_SIZE	0x20000000	/* 512M */
-#define CONFIG_SYS_PCI2_IO_BASE	0x00000000
+#define CONFIG_SYS_PCI2_IO_BUS	0x00000000
 #define CONFIG_SYS_PCI2_IO_VIRT (CONFIG_SYS_PCI1_IO_VIRT \
 				 + CONFIG_SYS_PCI1_IO_SIZE)
 #define CONFIG_SYS_PCI2_IO_PHYS	(CONFIG_SYS_PCI1_IO_PHYS \
@@ -501,7 +506,7 @@
 #define CONFIG_SYS_DBAT2L	(BAT_PHYS_ADDR(CONFIG_SYS_PCI1_MEM_PHYS) \
 				 | BATL_PP_RW | BATL_CACHEINHIBIT \
 				 | BATL_GUARDEDSTORAGE)
-#define CONFIG_SYS_DBAT2U	(CONFIG_SYS_PCI1_MEM_BASE | BATU_BL_1G \
+#define CONFIG_SYS_DBAT2U	(CONFIG_SYS_PCI1_MEM_VIRT | BATU_BL_1G \
 				 | BATU_VS | BATU_VP)
 #define CONFIG_SYS_IBAT2L	(BAT_PHYS_ADDR(CONFIG_SYS_PCI1_MEM_PHYS) \
 				 | BATL_PP_RW | BATL_CACHEINHIBIT)