85xx: Add a 36-bit physical configuration for MPC8536DS

We move all IO addressed (CCSR, localbus, PCI) above the 4G boundary
to allow for larger memory sizes.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Wolfgang Denk <wd@denx.de>

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

2 files changed, 76 insertions, 11 deletions

diff --git a/Makefile b/Makefile
index 2fa43a5..9821ffd 100644
--- a/Makefile
+++ b/Makefile
@@ -2440,8 +2440,11 @@ vme8349_config:		unconfig
 ATUM8548_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) ppc mpc85xx atum8548
 
+MPC8536DS_36BIT_config \
 MPC8536DS_config:       unconfig
-	@$(MKCONFIG) $(@:_config=) ppc mpc85xx mpc8536ds freescale
+	@mkdir -p $(obj)include
+	@echo "#define CONFIG_$(@:_config=) 1"	>$(obj)include/config.h
+	@$(MKCONFIG) -a MPC8536DS ppc mpc85xx mpc8536ds freescale
 
 MPC8540ADS_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) ppc mpc85xx mpc8540ads freescale
diff --git a/include/configs/MPC8536DS.h b/include/configs/MPC8536DS.h
index 9d2b860..f08f5ab 100644
--- a/include/configs/MPC8536DS.h
+++ b/include/configs/MPC8536DS.h
@@ -27,6 +27,10 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
+#ifdef CONFIG_MPC8536DS_36BIT
+#define CONFIG_PHYS_64BIT	1
+#endif
+
 /* High Level Configuration Options */
 #define CONFIG_BOOKE		1	/* BOOKE */
 #define CONFIG_E500		1	/* BOOKE e500 family */
@@ -77,6 +81,11 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 
 #define CONFIG_ENABLE_36BIT_PHYS	1
 
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_ADDR_MAP			1
+#define CONFIG_SYS_NUM_ADDR_MAP		16	/* number of TLB1 entries */
+#endif
+
 #define CONFIG_SYS_MEMTEST_START	0x00000000	/* memtest works on */
 #define CONFIG_SYS_MEMTEST_END		0x7fffffff
 #define CONFIG_PANIC_HANG	/* do not reset board on panic */
@@ -87,7 +96,11 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
  */
 #define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000	/* CCSRBAR Default */
 #define CONFIG_SYS_CCSRBAR		0xffe00000	/* relocated CCSRBAR */
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_CCSRBAR_PHYS		0xfffe00000ull	/* physical addr of CCSRBAR */
+#else
 #define CONFIG_SYS_CCSRBAR_PHYS	CONFIG_SYS_CCSRBAR	/* physical addr of CCSRBAR */
+#endif
 #define CONFIG_SYS_IMMR		CONFIG_SYS_CCSRBAR	/* PQII uses CONFIG_SYS_IMMR */
 
 #define CONFIG_SYS_PCI1_ADDR		(CONFIG_SYS_CCSRBAR+0x8000)
@@ -96,6 +109,7 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_SYS_PCIE3_ADDR		(CONFIG_SYS_CCSRBAR+0xb000)
 
 /* DDR Setup */
+#define CONFIG_VERY_BIG_RAM
 #define CONFIG_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
@@ -170,7 +184,11 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
  * Local Bus Definitions
  */
 #define CONFIG_SYS_FLASH_BASE		0xe0000000	/* start of FLASH 128M */
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_FLASH_BASE_PHYS	0xfe0000000ull
+#else
 #define CONFIG_SYS_FLASH_BASE_PHYS	CONFIG_SYS_FLASH_BASE
+#endif
 
 #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
@@ -178,7 +196,7 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #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_BANKS_LIST	{CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000, CONFIG_SYS_FLASH_BASE_PHYS}
 #define CONFIG_SYS_FLASH_QUIET_TEST
 #define CONFIG_FLASH_SHOW_PROGRESS 45 /* count down from 45/5: 9..1 */
 
@@ -199,7 +217,11 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 
 #define CONFIG_FSL_PIXIS	1	/* use common PIXIS code */
 #define PIXIS_BASE	0xffdf0000	/* PIXIS registers */
+#ifdef CONFIG_PHYS_64BIT
+#define PIXIS_BASE_PHYS	0xfffdf0000ull
+#else
 #define PIXIS_BASE_PHYS	PIXIS_BASE
+#endif
 
 #define CONFIG_SYS_BR3_PRELIM	(BR_PHYS_ADDR(PIXIS_BASE_PHYS) | BR_PS_8 | BR_V)
 #define CONFIG_SYS_OR3_PRELIM		0xffffeff7	/* 32KB but only 4k mapped */
@@ -254,8 +276,12 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_SYS_MONITOR_LEN		(256 * 1024) /* Reserve 256 kB for Mon */
 #define CONFIG_SYS_MALLOC_LEN		(1024 * 1024)	/* Reserved for malloc */
 
-#define CONFIG_SYS_NAND_BASE           0xffa00000
-#define CONFIG_SYS_NAND_BASE_PHYS      CONFIG_SYS_NAND_BASE
+#define CONFIG_SYS_NAND_BASE		0xffa00000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_NAND_BASE_PHYS	0xfffa00000ull
+#else
+#define CONFIG_SYS_NAND_BASE_PHYS	CONFIG_SYS_NAND_BASE
+#endif
 #define CONFIG_SYS_NAND_BASE_LIST     { CONFIG_SYS_NAND_BASE,\
 				CONFIG_SYS_NAND_BASE + 0x40000, \
 				CONFIG_SYS_NAND_BASE + 0x80000, \
@@ -368,42 +394,78 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
  */
 
 #define CONFIG_SYS_PCI1_MEM_VIRT	0x80000000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_PCI1_MEM_BUS		0xf0000000
+#define CONFIG_SYS_PCI1_MEM_PHYS	0xc00000000ull
+#else
 #define CONFIG_SYS_PCI1_MEM_BUS		0x80000000
 #define CONFIG_SYS_PCI1_MEM_PHYS	0x80000000
+#endif
 #define CONFIG_SYS_PCI1_MEM_SIZE	0x10000000	/* 256M */
-#define CONFIG_SYS_PCI1_IO_VIRT	0xffc00000
-#define CONFIG_SYS_PCI1_IO_BUS	0x00000000
-#define CONFIG_SYS_PCI1_IO_PHYS	0xffc00000
-#define CONFIG_SYS_PCI1_IO_SIZE	0x00010000	/* 64k */
+#define CONFIG_SYS_PCI1_IO_VIRT		0xffc00000
+#define CONFIG_SYS_PCI1_IO_BUS		0x00000000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_PCI1_IO_PHYS		0xfffc00000ull
+#else
+#define CONFIG_SYS_PCI1_IO_PHYS		0xffc00000
+#endif
+#define CONFIG_SYS_PCI1_IO_SIZE		0x00010000	/* 64k */
 
 /* controller 1, Slot 1, tgtid 1, Base address a000 */
 #define CONFIG_SYS_PCIE1_MEM_VIRT	0x90000000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_PCIE1_MEM_BUS	0xf8000000
+#define CONFIG_SYS_PCIE1_MEM_PHYS	0xc10000000ull
+#else
 #define CONFIG_SYS_PCIE1_MEM_BUS	0x90000000
 #define CONFIG_SYS_PCIE1_MEM_PHYS	0x90000000
+#endif
 #define CONFIG_SYS_PCIE1_MEM_SIZE	0x08000000	/* 128M */
 #define CONFIG_SYS_PCIE1_IO_VIRT	0xffc10000
-#define CONFIG_SYS_PCIE1_IO_BUS	0x00000000
+#define CONFIG_SYS_PCIE1_IO_BUS		0x00000000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_PCIE1_IO_PHYS	0xfffc10000ull
+#else
 #define CONFIG_SYS_PCIE1_IO_PHYS	0xffc10000
+#endif
 #define CONFIG_SYS_PCIE1_IO_SIZE	0x00010000	/* 64k */
 
 /* controller 2, Slot 2, tgtid 2, Base address 9000 */
 #define CONFIG_SYS_PCIE2_MEM_VIRT	0x98000000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_PCIE2_MEM_BUS	0xf8000000
+#define CONFIG_SYS_PCIE2_MEM_PHYS	0xc18000000ull
+#else
 #define CONFIG_SYS_PCIE2_MEM_BUS	0x98000000
 #define CONFIG_SYS_PCIE2_MEM_PHYS	0x98000000
+#endif
 #define CONFIG_SYS_PCIE2_MEM_SIZE	0x08000000	/* 128M */
 #define CONFIG_SYS_PCIE2_IO_VIRT	0xffc20000
-#define CONFIG_SYS_PCIE2_IO_BUS	0x00000000
+#define CONFIG_SYS_PCIE2_IO_BUS		0x00000000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_PCIE2_IO_PHYS	0xfffc20000ull
+#else
 #define CONFIG_SYS_PCIE2_IO_PHYS	0xffc20000
+#endif
 #define CONFIG_SYS_PCIE2_IO_SIZE	0x00010000	/* 64k */
 
 /* controller 3, direct to uli, tgtid 3, Base address 8000 */
 #define CONFIG_SYS_PCIE3_MEM_VIRT	0xa0000000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_PCIE3_MEM_BUS	0xe0000000
+#define CONFIG_SYS_PCIE3_MEM_PHYS	0xc20000000ull
+#else
 #define CONFIG_SYS_PCIE3_MEM_BUS	0xa0000000
 #define CONFIG_SYS_PCIE3_MEM_PHYS	0xa0000000
+#endif
 #define CONFIG_SYS_PCIE3_MEM_SIZE	0x20000000	/* 512M */
 #define CONFIG_SYS_PCIE3_IO_VIRT	0xffc30000
-#define CONFIG_SYS_PCIE3_IO_BUS	0x00000000
+#define CONFIG_SYS_PCIE3_IO_BUS		0x00000000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_PCIE3_IO_PHYS	0xfffc30000ull
+#else
 #define CONFIG_SYS_PCIE3_IO_PHYS	0xffc30000
+#endif
 #define CONFIG_SYS_PCIE3_IO_SIZE	0x00010000	/* 64k */
 
 #if defined(CONFIG_PCI)