powerpc/85xx: Add NAND boot support for P3041/P5020DS

When booting from NAND we get the environment and FMan ucode from NAND.

Signed-off-by: Shaohui Xie <b21989@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

boards.cfg

@@ -596,12 +596,14 @@ P2020RDB_NAND                powerpc     mpc85xx     p1_p2_rdb           freesca
 P2020RDB_SDCARD              powerpc     mpc85xx     p1_p2_rdb           freescale      -           P1_P2_RDB:P2020RDB,SDCARD
 P2020RDB_SPIFLASH            powerpc     mpc85xx     p1_p2_rdb           freescale      -           P1_P2_RDB:P2020RDB,SPIFLASH
 P3041DS                      powerpc     mpc85xx     corenet_ds          freescale
+P3041DS_NAND		     powerpc     mpc85xx     corenet_ds          freescale      -           P3041DS:RAMBOOT_PBL,NAND,SYS_TEXT_BASE=0xFFF80000
 P3041DS_SDCARD		     powerpc     mpc85xx     corenet_ds          freescale      -           P3041DS:RAMBOOT_PBL,SDCARD,SYS_TEXT_BASE=0xFFF80000
 P3041DS_SPIFLASH	     powerpc     mpc85xx     corenet_ds          freescale      -           P3041DS:RAMBOOT_PBL,SPIFLASH,SYS_TEXT_BASE=0xFFF80000
 P4080DS                      powerpc     mpc85xx     corenet_ds          freescale
 P4080DS_SDCARD		     powerpc     mpc85xx     corenet_ds          freescale      -           P4080DS:RAMBOOT_PBL,SDCARD,SYS_TEXT_BASE=0xFFF80000
 P4080DS_SPIFLASH	     powerpc     mpc85xx     corenet_ds          freescale      -           P4080DS:RAMBOOT_PBL,SPIFLASH,SYS_TEXT_BASE=0xFFF80000
 P5020DS                      powerpc     mpc85xx     corenet_ds          freescale
+P5020DS_NAND		     powerpc     mpc85xx     corenet_ds          freescale      -           P5020DS:RAMBOOT_PBL,NAND,SYS_TEXT_BASE=0xFFF80000
 P5020DS_SDCARD		     powerpc     mpc85xx     corenet_ds          freescale      -           P5020DS:RAMBOOT_PBL,SDCARD,SYS_TEXT_BASE=0xFFF80000
 P5020DS_SPIFLASH	     powerpc     mpc85xx     corenet_ds          freescale      -           P5020DS:RAMBOOT_PBL,SPIFLASH,SYS_TEXT_BASE=0xFFF80000
 mpq101                       powerpc     mpc85xx     mpq101              mercury        -           mpq101

include/configs/corenet_ds.h

@@ -91,6 +91,11 @@
 #define CONFIG_SYS_MMC_ENV_DEV          0
 #define CONFIG_ENV_SIZE			0x2000
 #define CONFIG_ENV_OFFSET		(512 * 1097)
+#elif defined(CONFIG_NAND)
+#define CONFIG_SYS_EXTRA_ENV_RELOC
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_SIZE			CONFIG_SYS_NAND_BLOCK_SIZE
+#define CONFIG_ENV_OFFSET		(5 * CONFIG_SYS_NAND_BLOCK_SIZE)
 #else
 #define CONFIG_ENV_IS_IN_FLASH
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
@@ -196,10 +201,10 @@
 #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 & ~OR_GPCM_SCY & ~OR_GPCM_EHTR) \
+#define CONFIG_SYS_FLASH_BR_PRELIM \
+		(BR_PHYS_ADDR((CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000)) \
+		 | BR_PS_16 | BR_V)
+#define CONFIG_SYS_FLASH_OR_PRELIM ((0xf8000ff7 & ~OR_GPCM_SCY & ~OR_GPCM_EHTR) \
 					| OR_GPCM_SCY_8 | OR_GPCM_EHTR_CLEAR)
 
 #define CONFIG_SYS_BR1_PRELIM \
@@ -268,9 +273,21 @@
 			       | OR_FCM_TRLX \
 			       | OR_FCM_EHTR)
 
-#define CONFIG_SYS_BR2_PRELIM	CONFIG_SYS_NAND_BR_PRELIM /* NAND Base Address */
-#define CONFIG_SYS_OR2_PRELIM	CONFIG_SYS_NAND_OR_PRELIM /* NAND Options */
+#ifdef CONFIG_NAND
+#define CONFIG_SYS_BR0_PRELIM  CONFIG_SYS_NAND_BR_PRELIM /* NAND Base Address */
+#define CONFIG_SYS_OR0_PRELIM  CONFIG_SYS_NAND_OR_PRELIM /* NAND Options */
+#define CONFIG_SYS_BR2_PRELIM  CONFIG_SYS_FLASH_BR_PRELIM /* NOR Base Address */
+#define CONFIG_SYS_OR2_PRELIM  CONFIG_SYS_FLASH_OR_PRELIM /* NOR Options */
+#else
+#define CONFIG_SYS_BR0_PRELIM  CONFIG_SYS_FLASH_BR_PRELIM /* NOR Base Address */
+#define CONFIG_SYS_OR0_PRELIM  CONFIG_SYS_FLASH_OR_PRELIM /* NOR Options */
+#define CONFIG_SYS_BR2_PRELIM  CONFIG_SYS_NAND_BR_PRELIM /* NAND Base Address */
+#define CONFIG_SYS_OR2_PRELIM  CONFIG_SYS_NAND_OR_PRELIM /* NAND Options */
+#endif
 #endif /* CONFIG_NAND_FSL_ELBC */
+#else
+#define CONFIG_SYS_BR0_PRELIM  CONFIG_SYS_FLASH_BR_PRELIM /* NOR Base Address */
+#define CONFIG_SYS_OR0_PRELIM  CONFIG_SYS_FLASH_OR_PRELIM /* NOR Options */
 #endif
 
 #define CONFIG_SYS_FLASH_EMPTY_INFO