85xx: separate FLASH BASE virtual from physical address

Added a CONFIG_SYS_FLASH_BASE_PHYS for use as the physical address and
maintain CONFIG_SYS_FLASH_BASE as the virtual address of the flash.

This allows us to deal with 36-bit phys on these boards in the future.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Andy Fleming <afleming@freescale.com>

board/freescale/mpc8536ds/law.c

@@ -30,7 +30,7 @@
 struct law_entry law_table[] = {
 	SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_PCI),
 	SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCI),
-	SET_LAW(CONFIG_SYS_FLASH_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
+	SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
 	SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAWAR_SIZE_128M, LAW_TRGT_IF_PCIE_1),
 	SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_1),
 	SET_LAW(CONFIG_SYS_PCIE2_MEM_PHYS, LAWAR_SIZE_128M, LAW_TRGT_IF_PCIE_2),

board/freescale/mpc8536ds/mpc8536ds.c

@@ -433,7 +433,7 @@ int board_early_init_r(void)
 	/* invalidate existing TLB entry for flash + promjet */
 	disable_tlb(flash_esel);
 
-	set_tlb(1, flashbase, flashbase,		/* tlb, epn, rpn */
+	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
 		0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */
 

board/freescale/mpc8536ds/tlb.c

@@ -53,7 +53,7 @@ struct fsl_e_tlb_entry tlb_table[] = {
 
 	/* W**G* - Flash/promjet, localbus */
 	/* This will be changed to *I*G* after relocation to RAM. */
-	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE,
+	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
 		      0, 1, BOOKE_PAGESZ_256M, 1),
 

board/freescale/mpc8572ds/law.c

@@ -28,7 +28,7 @@
 #include <asm/mmu.h>
 
 struct law_entry law_table[] = {
-	SET_LAW(CONFIG_SYS_FLASH_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
+	SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
 	SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAWAR_SIZE_512M, LAW_TRGT_IF_PCIE_1),
 	SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_1),
 	SET_LAW(CONFIG_SYS_PCIE2_MEM_PHYS, LAWAR_SIZE_512M, LAW_TRGT_IF_PCIE_2),

board/freescale/mpc8572ds/mpc8572ds.c

@@ -358,7 +358,7 @@ int board_early_init_r(void)
 	/* invalidate existing TLB entry for flash + promjet */
 	disable_tlb(flash_esel);
 
-	set_tlb(1, flashbase, flashbase,		/* tlb, epn, rpn */
+	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
 			0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */
 

board/freescale/mpc8572ds/tlb.c

@@ -54,7 +54,7 @@ struct fsl_e_tlb_entry tlb_table[] = {
 
 	/* W**G* - Flash/promjet, localbus */
 	/* This will be changed to *I*G* after relocation to RAM. */
-	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE,
+	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
 		      0, 2, BOOKE_PAGESZ_256M, 1),
 

include/configs/MPC8536DS.h

@@ -166,12 +166,13 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
  * Local Bus Definitions
  */
 #define CONFIG_SYS_FLASH_BASE		0xe0000000	/* start of FLASH 128M */
+#define CONFIG_SYS_FLASH_BASE_PHYS	CONFIG_SYS_FLASH_BASE
 
-#define CONFIG_SYS_BR0_PRELIM		0xe8001001
-#define CONFIG_SYS_OR0_PRELIM		0xf8000ff7
+#define CONFIG_SYS_BR0_PRELIM  (BR_PHYS_ADDR((CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000)) | BR_PS_16 | BR_V)
+#define CONFIG_SYS_OR0_PRELIM	0xf8000ff7
 
-#define CONFIG_SYS_BR1_PRELIM		0xe0001001
-#define CONFIG_SYS_OR1_PRELIM		0xf8000ff7
+#define CONFIG_SYS_BR1_PRELIM  (BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | BR_PS_16 | BR_V)
+#define CONFIG_SYS_OR1_PRELIM	0xf8000ff7
 
 #define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE + 0x8000000, CONFIG_SYS_FLASH_BASE}
 #define CONFIG_SYS_FLASH_QUIET_TEST

include/configs/MPC8572DS.h

@@ -169,12 +169,13 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
  * Local Bus Definitions
  */
 #define CONFIG_SYS_FLASH_BASE		0xe0000000	/* start of FLASH 128M */
+#define CONFIG_SYS_FLASH_BASE_PHYS	CONFIG_SYS_FLASH_BASE
 
-#define CONFIG_SYS_BR0_PRELIM		0xe8001001
-#define CONFIG_SYS_OR0_PRELIM		0xf8000ff7
+#define CONFIG_SYS_BR0_PRELIM  (BR_PHYS_ADDR((CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000)) | BR_PS_16 | BR_V)
+#define CONFIG_SYS_OR0_PRELIM	0xf8000ff7
 
-#define CONFIG_SYS_BR1_PRELIM		0xe0001001
-#define CONFIG_SYS_OR1_PRELIM		0xf8000ff7
+#define CONFIG_SYS_BR1_PRELIM  (BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | BR_PS_16 | BR_V)
+#define CONFIG_SYS_OR1_PRELIM	0xf8000ff7
 
 #define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE + 0x8000000, CONFIG_SYS_FLASH_BASE}
 #define CONFIG_SYS_FLASH_QUIET_TEST