mpc8610hpcd: Fix PCI mapping concepts

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.  This makes the code easier to read
and understand, and facilitates mapping changes going forward.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>

board/freescale/mpc8610hpcd/law.c

@@ -31,8 +31,8 @@ struct law_entry law_table[] = {
 #if !defined(CONFIG_SPD_EEPROM)
 	SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR_1),
 #endif
-	SET_LAW(CONFIG_SYS_PCIE1_MEM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_PCIE_1),
-	SET_LAW(CONFIG_SYS_PCIE2_MEM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_PCIE_2),
+	SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_PCIE_1),
+	SET_LAW(CONFIG_SYS_PCIE2_MEM_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_PCIE_2),
 	SET_LAW(PIXIS_BASE, LAW_SIZE_2M, LAW_TRGT_IF_LBC),
 	SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCIE_1),
 	SET_LAW(CONFIG_SYS_PCIE2_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCIE_2),

board/freescale/mpc8610hpcd/mpc8610hpcd.c

@@ -266,14 +266,14 @@ void pci_init_board(void)
 
 		/* outbound memory */
 		pci_set_region(r++,
-			 CONFIG_SYS_PCIE1_MEM_BASE,
+			 CONFIG_SYS_PCIE1_MEM_BUS,
 			 CONFIG_SYS_PCIE1_MEM_PHYS,
 			 CONFIG_SYS_PCIE1_MEM_SIZE,
 			 PCI_REGION_MEM);
 
 		/* outbound io */
 		pci_set_region(r++,
-			 CONFIG_SYS_PCIE1_IO_BASE,
+			 CONFIG_SYS_PCIE1_IO_BUS,
 			 CONFIG_SYS_PCIE1_IO_PHYS,
 			 CONFIG_SYS_PCIE1_IO_SIZE,
 			 PCI_REGION_IO);
@@ -321,14 +321,14 @@ void pci_init_board(void)
 
 		/* outbound memory */
 		pci_set_region(r++,
-			 CONFIG_SYS_PCIE2_MEM_BASE,
+			 CONFIG_SYS_PCIE2_MEM_BUS,
 			 CONFIG_SYS_PCIE2_MEM_PHYS,
 			 CONFIG_SYS_PCIE2_MEM_SIZE,
 			 PCI_REGION_MEM);
 
 		/* outbound io */
 		pci_set_region(r++,
-			 CONFIG_SYS_PCIE2_IO_BASE,
+			 CONFIG_SYS_PCIE2_IO_BUS,
 			 CONFIG_SYS_PCIE2_IO_PHYS,
 			 CONFIG_SYS_PCIE2_IO_SIZE,
 			 PCI_REGION_IO);
@@ -370,14 +370,14 @@ void pci_init_board(void)
 
 		/* outbound memory */
 		pci_set_region(r++,
-			 CONFIG_SYS_PCI1_MEM_BASE,
+			 CONFIG_SYS_PCI1_MEM_BUS,
 			 CONFIG_SYS_PCI1_MEM_PHYS,
 			 CONFIG_SYS_PCI1_MEM_SIZE,
 			 PCI_REGION_MEM);
 
 		/* outbound io */
 		pci_set_region(r++,
-			 CONFIG_SYS_PCI1_IO_BASE,
+			 CONFIG_SYS_PCI1_IO_BUS,
 			 CONFIG_SYS_PCI1_IO_PHYS,
 			 CONFIG_SYS_PCI1_IO_SIZE,
 			 PCI_REGION_IO);

include/configs/MPC8610HPCD.h

@@ -273,11 +273,13 @@
  * General PCI
  * Addresses are mapped 1-1.
  */
-#define CONFIG_SYS_PCI1_MEM_BASE	0x80000000
-#define CONFIG_SYS_PCI1_MEM_PHYS	CONFIG_SYS_PCI1_MEM_BASE
+#define CONFIG_SYS_PCI1_MEM_BUS		0x80000000
+#define CONFIG_SYS_PCI1_MEM_PHYS	CONFIG_SYS_PCI1_MEM_BUS
+#define CONFIG_SYS_PCI1_MEM_VIRT	CONFIG_SYS_PCI1_MEM_BUS
 #define CONFIG_SYS_PCI1_MEM_SIZE	0x10000000	/* 256M */
-#define CONFIG_SYS_PCI1_IO_BASE	0x00000000
+#define CONFIG_SYS_PCI1_IO_BUS	0x0000000
 #define CONFIG_SYS_PCI1_IO_PHYS	0xe1000000
+#define CONFIG_SYS_PCI1_IO_VIRT	0xe1000000
 #define CONFIG_SYS_PCI1_IO_SIZE	0x00100000	/* 1M */
 
 /* For RTL8139 */
@@ -285,18 +287,18 @@
 #define _IO_BASE		0x00000000
 
 /* controller 1, Base address 0xa000 */
-#define CONFIG_SYS_PCIE1_MEM_BASE	0xa0000000
-#define CONFIG_SYS_PCIE1_MEM_PHYS	CONFIG_SYS_PCIE1_MEM_BASE
+#define CONFIG_SYS_PCIE1_MEM_BUS	0xa0000000
+#define CONFIG_SYS_PCIE1_MEM_PHYS	CONFIG_SYS_PCIE1_MEM_BUS
 #define CONFIG_SYS_PCIE1_MEM_SIZE	0x10000000	/* 256M */
-#define CONFIG_SYS_PCIE1_IO_BASE	0x00000000
+#define CONFIG_SYS_PCIE1_IO_BUS		0x00000000
 #define CONFIG_SYS_PCIE1_IO_PHYS	0xe3000000
 #define CONFIG_SYS_PCIE1_IO_SIZE	0x00100000	/* 1M */
 
 /* controller 2, Base Address 0x9000 */
-#define CONFIG_SYS_PCIE2_MEM_BASE	0x90000000
-#define CONFIG_SYS_PCIE2_MEM_PHYS	CONFIG_SYS_PCIE2_MEM_BASE
+#define CONFIG_SYS_PCIE2_MEM_BUS	0x90000000
+#define CONFIG_SYS_PCIE2_MEM_PHYS	CONFIG_SYS_PCIE2_MEM_BUS
 #define CONFIG_SYS_PCIE2_MEM_SIZE	0x10000000	/* 256M */
-#define CONFIG_SYS_PCIE2_IO_BASE	0x00000000	/* reuse mem LAW */
+#define CONFIG_SYS_PCIE2_IO_BUS		0x00000000	/* reuse mem LAW */
 #define CONFIG_SYS_PCIE2_IO_PHYS	0xe2000000
 #define CONFIG_SYS_PCIE2_IO_SIZE	0x00100000	/* 1M */
 
@@ -364,7 +366,7 @@
 
 #define CONFIG_SYS_DBAT1L	(CONFIG_SYS_PCI1_MEM_PHYS | BATL_PP_RW | BATL_CACHEINHIBIT \
 			| BATL_GUARDEDSTORAGE)
-#define CONFIG_SYS_DBAT1U	(CONFIG_SYS_PCI1_MEM_PHYS | BATU_BL_1G | BATU_VS | BATU_VP)
+#define CONFIG_SYS_DBAT1U	(CONFIG_SYS_PCI1_MEM_VIRT | BATU_BL_1G | BATU_VS | BATU_VP)
 #define CONFIG_SYS_IBAT1L	(CONFIG_SYS_PCI1_MEM_PHYS | BATL_PP_RW | BATL_CACHEINHIBIT)
 #define CONFIG_SYS_IBAT1U	CONFIG_SYS_DBAT1U
 
@@ -375,7 +377,7 @@
 
 #define CONFIG_SYS_DBAT2L	(CONFIG_SYS_PCI1_IO_PHYS | BATL_PP_RW | BATL_CACHEINHIBIT \
 			| BATL_GUARDEDSTORAGE)
-#define CONFIG_SYS_DBAT2U	(CONFIG_SYS_PCI1_IO_PHYS | BATU_BL_16M | BATU_VS | BATU_VP)
+#define CONFIG_SYS_DBAT2U	(CONFIG_SYS_PCI1_IO_VIRT | BATU_BL_16M | BATU_VS | BATU_VP)
 #define CONFIG_SYS_IBAT2L	(CONFIG_SYS_PCI1_IO_PHYS | BATL_PP_RW | BATL_CACHEINHIBIT)
 #define CONFIG_SYS_IBAT2U	CONFIG_SYS_DBAT2U