powerpc/p1022ds: Add support for NAND and NAND boot using SPL

Add defines needed to access NAND, remove second flash bank that is
actually connected to NAND.

Add nand booting support for P1022DS with hardcoded DDR config using
SPL framework from 2011

Signed-off-by: Matthew McClintock <msm@freescale.com>
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Jiang Yutang <b14898@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andy Fleming <afleming@freescale.com>

7 files changed, 284 insertions, 20 deletions

diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile
index 75725b4..72bb56c 100644
--- a/board/freescale/common/Makefile
+++ b/board/freescale/common/Makefile
@@ -33,10 +33,14 @@ COBJS-$(CONFIG_FSL_CADMUS)	+= cadmus.o
 COBJS-$(CONFIG_FSL_VIA)		+= cds_via.o
 COBJS-$(CONFIG_FMAN_ENET)	+= fman.o
 COBJS-$(CONFIG_FSL_PIXIS)	+= pixis.o
+ifndef CONFIG_SPL_BUILD
 COBJS-$(CONFIG_FSL_NGPIXIS)	+= ngpixis.o
+endif
 COBJS-$(CONFIG_FSL_QIXIS)	+= qixis.o
 COBJS-$(CONFIG_PQ_MDS_PIB)	+= pq-mds-pib.o
+ifndef CONFIG_SPL_BUILD
 COBJS-$(CONFIG_ID_EEPROM)	+= sys_eeprom.o
+endif
 COBJS-$(CONFIG_FSL_SGMII_RISER)	+= sgmii_riser.o
 ifndef CONFIG_RAMBOOT_PBL
 COBJS-$(CONFIG_FSL_FIXED_MMC_LOCATION)	+= sdhc_boot.o
@@ -48,7 +52,9 @@ COBJS-$(CONFIG_MPC8555CDS)	+= cds_pci_ft.o
 
 COBJS-$(CONFIG_MPC8536DS)	+= ics307_clk.o
 COBJS-$(CONFIG_MPC8572DS)	+= ics307_clk.o
+ifndef CONFIG_SPL_BUILD
 COBJS-$(CONFIG_P1022DS)		+= ics307_clk.o
+endif
 COBJS-$(CONFIG_P2020DS)		+= ics307_clk.o
 COBJS-$(CONFIG_P3041DS)		+= ics307_clk.o
 COBJS-$(CONFIG_P4080DS)		+= ics307_clk.o
diff --git a/board/freescale/p1022ds/Makefile b/board/freescale/p1022ds/Makefile
index c6d3418..0eeef05 100644
--- a/board/freescale/p1022ds/Makefile
+++ b/board/freescale/p1022ds/Makefile
@@ -11,12 +11,26 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).o
 
+MINIMAL=
+
+ifdef CONFIG_SPL_BUILD
+ifdef CONFIG_SPL_INIT_MINIMAL
+MINIMAL=y
+endif
+endif
+
+ifdef MINIMAL
+
+COBJS-y        += spl_minimal.o tlb.o law.o
+
+else
 COBJS-y	+= $(BOARD).o
 COBJS-y	+= ddr.o
 COBJS-y	+= law.o
 COBJS-y	+= tlb.o
 
 COBJS-$(CONFIG_FSL_DIU_FB) += diu.o
+endif
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS-y))
diff --git a/board/freescale/p1022ds/law.c b/board/freescale/p1022ds/law.c
index b23b8f9..c4398dd 100644
--- a/board/freescale/p1022ds/law.c
+++ b/board/freescale/p1022ds/law.c
@@ -16,6 +16,7 @@
 struct law_entry law_table[] = {
 	SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
 	SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_4K, LAW_TRGT_IF_LBC),
+	SET_LAW(CONFIG_SYS_NAND_BASE_PHYS, LAW_SIZE_32K, LAW_TRGT_IF_LBC),
 };
 
 int num_law_entries = ARRAY_SIZE(law_table);
diff --git a/board/freescale/p1022ds/spl_minimal.c b/board/freescale/p1022ds/spl_minimal.c
new file mode 100644
index 0000000..8d12fa6
--- /dev/null
+++ b/board/freescale/p1022ds/spl_minimal.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <ns16550.h>
+#include <asm/io.h>
+#include <nand.h>
+#include <asm/fsl_law.h>
+#include <asm/fsl_ddr_sdram.h>
+
+
+/*
+ * Fixed sdram init -- doesn't use serial presence detect.
+ */
+void sdram_init(void)
+{
+	volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC8xxx_DDR_ADDR;
+
+	__raw_writel(CONFIG_SYS_DDR_CS0_BNDS, &ddr->cs0_bnds);
+	__raw_writel(CONFIG_SYS_DDR_CS0_CONFIG, &ddr->cs0_config);
+#if CONFIG_CHIP_SELECTS_PER_CTRL > 1
+	__raw_writel(CONFIG_SYS_DDR_CS1_BNDS, &ddr->cs1_bnds);
+	__raw_writel(CONFIG_SYS_DDR_CS1_CONFIG, &ddr->cs1_config);
+#endif
+	__raw_writel(CONFIG_SYS_DDR_TIMING_3, &ddr->timing_cfg_3);
+	__raw_writel(CONFIG_SYS_DDR_TIMING_0, &ddr->timing_cfg_0);
+	__raw_writel(CONFIG_SYS_DDR_TIMING_1, &ddr->timing_cfg_1);
+	__raw_writel(CONFIG_SYS_DDR_TIMING_2, &ddr->timing_cfg_2);
+
+	__raw_writel(CONFIG_SYS_DDR_CONTROL_2, &ddr->sdram_cfg_2);
+	__raw_writel(CONFIG_SYS_DDR_MODE_1, &ddr->sdram_mode);
+	__raw_writel(CONFIG_SYS_DDR_MODE_2, &ddr->sdram_mode_2);
+
+	__raw_writel(CONFIG_SYS_DDR_INTERVAL, &ddr->sdram_interval);
+	__raw_writel(CONFIG_SYS_DDR_DATA_INIT, &ddr->sdram_data_init);
+	__raw_writel(CONFIG_SYS_DDR_CLK_CTRL, &ddr->sdram_clk_cntl);
+
+	__raw_writel(CONFIG_SYS_DDR_TIMING_4, &ddr->timing_cfg_4);
+	__raw_writel(CONFIG_SYS_DDR_TIMING_5, &ddr->timing_cfg_5);
+	__raw_writel(CONFIG_SYS_DDR_ZQ_CONTROL, &ddr->ddr_zq_cntl);
+	__raw_writel(CONFIG_SYS_DDR_WRLVL_CONTROL, &ddr->ddr_wrlvl_cntl);
+
+	/* Set, but do not enable the memory */
+	__raw_writel(CONFIG_SYS_DDR_CONTROL & ~SDRAM_CFG_MEM_EN,
+			&ddr->sdram_cfg);
+
+	in_be32(&ddr->sdram_cfg);
+	udelay(500);
+
+	/* Let the controller go */
+	out_be32(&ddr->sdram_cfg, in_be32(&ddr->sdram_cfg) | SDRAM_CFG_MEM_EN);
+	in_be32(&ddr->sdram_cfg);
+
+	set_next_law(0, CONFIG_SYS_SDRAM_SIZE_LAW, LAW_TRGT_IF_DDR_1);
+}
+
+const static u32 sysclk_tbl[] = {
+	66666000, 7499900, 83332500, 8999900,
+	99999000, 11111000, 12499800, 13333200
+};
+
+void board_init_f(ulong bootflag)
+{
+	int px_spd;
+	u32 plat_ratio, sys_clk, bus_clk;
+	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+	/* for FPGA */
+	set_lbc_br(2, CONFIG_SYS_BR2_PRELIM);
+	set_lbc_or(2, CONFIG_SYS_OR2_PRELIM);
+
+	/* initialize selected port with appropriate baud rate */
+	px_spd = in_8((unsigned char *)(PIXIS_BASE + PIXIS_SPD));
+	sys_clk = sysclk_tbl[px_spd & PIXIS_SPD_SYSCLK_MASK];
+	plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
+	bus_clk = sys_clk * plat_ratio / 2;
+
+	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+			bus_clk / 16 / CONFIG_BAUDRATE);
+
+	puts("\nNAND boot... ");
+
+	/* Initialize the DDR3 */
+	sdram_init();
+
+	/* copy code to RAM and jump to it - this should not return */
+	/* NOTE - code has to be copied out of NAND buffer before
+	 * other blocks can be read.
+	 */
+	relocate_code(CONFIG_SPL_RELOC_STACK, 0,
+			CONFIG_SPL_RELOC_TEXT_BASE);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+	nand_boot();
+}
+
+void putc(char c)
+{
+	if (c == '\n')
+		NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r');
+
+	NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c);
+}
+
+void puts(const char *str)
+{
+	while (*str)
+		putc(*str++);
+}
diff --git a/board/freescale/p1022ds/tlb.c b/board/freescale/p1022ds/tlb.c
index 71e71f7..3acc449 100644
--- a/board/freescale/p1022ds/tlb.c
+++ b/board/freescale/p1022ds/tlb.c
@@ -41,6 +41,7 @@ struct fsl_e_tlb_entry tlb_table[] = {
 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 		      0, 1, BOOKE_PAGESZ_1M, 1),
 
+#ifndef CONFIG_SPL_BUILD
 	/* 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_PHYS,
@@ -67,24 +68,31 @@ struct fsl_e_tlb_entry tlb_table[] = {
 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS,
 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 		      0, 6, BOOKE_PAGESZ_256K, 1),
+#endif
 
 	SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS,
 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 		      0, 7, BOOKE_PAGESZ_4K, 1),
 
-#ifdef CONFIG_SYS_RAMBOOT
-	/* *I*G - eSDHC/eSPI/NAND boot */
+#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)
+	/* **** - eSDHC/eSPI/NAND boot */
 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
 			0, 8, BOOKE_PAGESZ_1G, 1),
-
-	/* map the second 1G */
+	/* **** - eSDHC/eSPI/NAND boot - second 1GB of memory */
 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
 			CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
-			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+			MAS3_SX|MAS3_SW|MAS3_SR, 0,
 			0, 9, BOOKE_PAGESZ_1G, 1),
 #endif
-#
+
+#ifdef CONFIG_SYS_NAND_BASE
+	/* *I*G - NAND */
+	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
+			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+			0, 10, BOOKE_PAGESZ_16K, 1),
+#endif
+
 };
 
 int num_tlb_entries = ARRAY_SIZE(tlb_table);
diff --git a/boards.cfg b/boards.cfg
index 8b7933f..5d78064 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -811,6 +811,8 @@ P1021RDB-PC_NAND             powerpc     mpc85xx     p1_p2_rdb_pc        freesca
 P1021RDB-PC_SDCARD           powerpc     mpc85xx     p1_p2_rdb_pc        freescale      -           p1_p2_rdb_pc:P1021RDB,SDCARD
 P1021RDB-PC_SPIFLASH         powerpc     mpc85xx     p1_p2_rdb_pc        freescale      -           p1_p2_rdb_pc:P1021RDB,SPIFLASH
 P1022DS                      powerpc     mpc85xx     p1022ds             freescale
+P1022DS_NAND                 powerpc     mpc85xx     p1022ds             freescale	-	    P1022DS:NAND
+P1022DS_36BIT_NAND           powerpc     mpc85xx     p1022ds             freescale	-	    P1022DS:36BIT,NAND
 P1022DS_SPIFLASH             powerpc     mpc85xx     p1022ds             freescale	-	    P1022DS:SPIFLASH
 P1022DS_36BIT_SPIFLASH       powerpc     mpc85xx     p1022ds             freescale	-	    P1022DS:36BIT,SPIFLASH
 P1022DS_SDCARD               powerpc     mpc85xx     p1022ds             freescale	-	    P1022DS:SDCARD
diff --git a/include/configs/P1022DS.h b/include/configs/P1022DS.h
index 14d597a..b282e7b 100644
--- a/include/configs/P1022DS.h
+++ b/include/configs/P1022DS.h
@@ -34,6 +34,29 @@
 #define CONFIG_RESET_VECTOR_ADDRESS	0x1107fffc
 #endif
 
+#define CONFIG_NAND_FSL_ELBC
+
+#ifdef CONFIG_NAND
+#define CONFIG_SPL
+#define CONFIG_SPL_INIT_MINIMAL
+#define CONFIG_SPL_SERIAL_SUPPORT
+#define CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_SPL_NAND_MINIMAL
+#define CONFIG_SPL_FLUSH_IMAGE
+#define CONFIG_SPL_TARGET              "u-boot-with-spl.bin"
+
+#define CONFIG_SYS_TEXT_BASE           0x00201000
+#define CONFIG_SPL_TEXT_BASE           0xfffff000
+#define CONFIG_SPL_MAX_SIZE            (4 * 1024)
+#define CONFIG_SPL_RELOC_TEXT_BASE     0x00100000
+#define CONFIG_SPL_RELOC_STACK         0x00100000
+#define CONFIG_SYS_NAND_U_BOOT_SIZE    ((512 << 10) + CONFIG_SPL_MAX_SIZE)
+#define CONFIG_SYS_NAND_U_BOOT_DST     (0x00200000 - CONFIG_SPL_MAX_SIZE)
+#define CONFIG_SYS_NAND_U_BOOT_START   0x00200000
+#define CONFIG_SYS_NAND_U_BOOT_OFFS    0
+#define CONFIG_SYS_LDSCRIPT            "arch/powerpc/cpu/mpc85xx/u-boot-nand.lds"
+#endif
+
 /* High Level Configuration Options */
 #define CONFIG_BOOKE			/* BOOKE */
 #define CONFIG_E500			/* BOOKE e500 family */
@@ -84,6 +107,13 @@
 #define CONFIG_SYS_CCSRBAR		0xffe00000
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
 
+/* IN case of NAND bootloader relocate CCSRBAR in RAMboot code not in the 4k
+       SPL code*/
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_CCSR_DO_NOT_RELOCATE
+#endif
+
+
 /* DDR Setup */
 #define CONFIG_DDR_SPD
 #define CONFIG_VERY_BIG_RAM
@@ -105,6 +135,30 @@
 #define CONFIG_SYS_SPD_BUS_NUM		1
 #define SPD_EEPROM_ADDRESS		0x51	/* CTLR 0 DIMM 0 */
 
+/* These are used when DDR doesn't use SPD.  */
+#define CONFIG_SYS_SDRAM_SIZE		2048
+#define CONFIG_SYS_SDRAM_SIZE_LAW	LAW_SIZE_2G
+#define CONFIG_SYS_DDR_CS0_BNDS		0x0000003F
+#define CONFIG_SYS_DDR_CS0_CONFIG	0x80014202
+#define CONFIG_SYS_DDR_CS1_BNDS		0x0040007F
+#define CONFIG_SYS_DDR_CS1_CONFIG	0x80014202
+#define CONFIG_SYS_DDR_TIMING_3		0x00010000
+#define CONFIG_SYS_DDR_TIMING_0		0x40110104
+#define CONFIG_SYS_DDR_TIMING_1		0x5c5bd746
+#define CONFIG_SYS_DDR_TIMING_2		0x0fa8d4ca
+#define CONFIG_SYS_DDR_MODE_1		0x00441221
+#define CONFIG_SYS_DDR_MODE_2		0x00000000
+#define CONFIG_SYS_DDR_INTERVAL		0x0a280100
+#define CONFIG_SYS_DDR_DATA_INIT	0xdeadbeef
+#define CONFIG_SYS_DDR_CLK_CTRL		0x02800000
+#define CONFIG_SYS_DDR_CONTROL		0xc7000008
+#define CONFIG_SYS_DDR_CONTROL_2	0x24401041
+#define	CONFIG_SYS_DDR_TIMING_4		0x00220001
+#define	CONFIG_SYS_DDR_TIMING_5		0x02401400
+#define	CONFIG_SYS_DDR_ZQ_CONTROL	0x89080600
+#define CONFIG_SYS_DDR_WRLVL_CONTROL	0x8675f608
+
+
 /*
  * Memory map
  *
@@ -118,6 +172,7 @@
  * Localbus non-cacheable
  * 0xe000_0000	0xe80f_ffff	Promjet/free		128M non-cacheable
  * 0xe800_0000	0xefff_ffff	FLASH			128M non-cacheable
+ * 0xff80_0000	0xff80_7fff	NAND			32K non-cacheable
  * 0xffdf_0000	0xffdf_7fff	PIXIS			32K non-cacheable TLB0
  * 0xffd0_0000	0xffd0_3fff	L1 for stack		16K Cacheable TLB0
  * 0xffe0_0000	0xffef_ffff	CCSR			1M non-cacheable
@@ -126,38 +181,84 @@
 /*
  * Local Bus Definitions
  */
-#define CONFIG_SYS_FLASH_BASE		0xe0000000 /* start of FLASH 128M */
+#define CONFIG_SYS_FLASH_BASE		0xe8000000 /* start of FLASH 128M */
 #ifdef CONFIG_PHYS_64BIT
-#define CONFIG_SYS_FLASH_BASE_PHYS	0xfe0000000ull
+#define CONFIG_SYS_FLASH_BASE_PHYS	0xfe8000000ull
 #else
 #define CONFIG_SYS_FLASH_BASE_PHYS	CONFIG_SYS_FLASH_BASE
 #endif
 
 #define CONFIG_FLASH_BR_PRELIM  \
-	(BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000) | BR_PS_16 | BR_V)
+	(BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | BR_PS_16 | BR_V)
 #define CONFIG_FLASH_OR_PRELIM	(OR_AM_128MB | 0xff7)
 
+#ifdef CONFIG_NAND
+#define CONFIG_SYS_BR1_PRELIM	CONFIG_FLASH_BR_PRELIM	/* NOR Base Address */
+#define CONFIG_SYS_OR1_PRELIM	CONFIG_FLASH_OR_PRELIM	/* NOR Options */
+#else
 #define CONFIG_SYS_BR0_PRELIM	CONFIG_FLASH_BR_PRELIM  /* NOR Base Address */
 #define CONFIG_SYS_OR0_PRELIM	CONFIG_FLASH_OR_PRELIM  /* NOR Options */
+#endif
 
-#define CONFIG_SYS_BR1_PRELIM	\
-	(BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | BR_PS_16 | BR_V)
-#define CONFIG_SYS_OR1_PRELIM	CONFIG_FLASH_OR_PRELIM
-
-#define CONFIG_SYS_FLASH_BANKS_LIST	\
-	{CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000, CONFIG_SYS_FLASH_BASE_PHYS}
+#define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE_PHYS}
 #define CONFIG_SYS_FLASH_QUIET_TEST
 #define CONFIG_FLASH_SHOW_PROGRESS	45 /* count down from 45/5: 9..1 */
 
-#define CONFIG_SYS_MAX_FLASH_BANKS	2
+#define CONFIG_SYS_MAX_FLASH_BANKS	1
 #define CONFIG_SYS_MAX_FLASH_SECT	1024
 
+#ifndef CONFIG_SYS_MONITOR_BASE
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_MONITOR_BASE		CONFIG_SPL_TEXT_BASE
+#else
 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_TEXT_BASE	/* start of monitor */
+#endif
+#endif
 
 #define CONFIG_FLASH_CFI_DRIVER
 #define CONFIG_SYS_FLASH_CFI
 #define CONFIG_SYS_FLASH_EMPTY_INFO
 
+/* Nand Flash */
+#if defined(CONFIG_NAND_FSL_ELBC)
+#define CONFIG_SYS_NAND_BASE		0xff800000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_NAND_BASE_PHYS	0xfff800000ull
+#else
+#define CONFIG_SYS_NAND_BASE_PHYS	CONFIG_SYS_NAND_BASE
+#endif
+
+#define CONFIG_SYS_NAND_BASE_LIST     { CONFIG_SYS_NAND_BASE, }
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_MTD_NAND_VERIFY_WRITE
+#define CONFIG_CMD_NAND			1
+#define CONFIG_SYS_NAND_BLOCK_SIZE    (256 * 1024)
+#define CONFIG_ELBC_NAND_SPL_STATIC_PGSIZE
+
+/* NAND flash config */
+#define CONFIG_SYS_NAND_BR_PRELIM  (BR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \
+			       | (2<<BR_DECC_SHIFT)    /* Use HW ECC */ \
+			       | BR_PS_8	       /* Port Size = 8 bit */ \
+			       | BR_MS_FCM	       /* MSEL = FCM */ \
+			       | BR_V)		       /* valid */
+#define CONFIG_SYS_NAND_OR_PRELIM  (OR_AM_32KB	       /* length 256K */ \
+			       | OR_FCM_PGS	       /* Large Page*/ \
+			       | OR_FCM_CSCT \
+			       | OR_FCM_CST \
+			       | OR_FCM_CHT \
+			       | OR_FCM_SCY_1 \
+			       | OR_FCM_TRLX \
+			       | OR_FCM_EHTR)
+#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 */
+#else
+#define CONFIG_SYS_BR1_PRELIM	CONFIG_SYS_NAND_BR_PRELIM /* NAND Base Address */
+#define CONFIG_SYS_OR1_PRELIM	CONFIG_SYS_NAND_OR_PRELIM /* NAND Options */
+#endif
+
+#endif /* CONFIG_NAND_FSL_ELBC */
+
 #define CONFIG_BOARD_EARLY_INIT_F
 #define CONFIG_BOARD_EARLY_INIT_R
 #define CONFIG_MISC_INIT_R
@@ -177,6 +278,8 @@
 #define PIXIS_LBMAP_SWITCH	7
 #define PIXIS_LBMAP_MASK	0xF0
 #define PIXIS_LBMAP_ALTBANK	0x20
+#define PIXIS_SPD		0x07
+#define PIXIS_SPD_SYSCLK_MASK	0x07
 #define PIXIS_ELBC_SPI_MASK	0xc0
 #define PIXIS_SPI		0x80
 
@@ -199,6 +302,9 @@
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1
 #define CONFIG_SYS_NS16550_CLK		get_bus_freq(0)
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_NS16550_MIN_FUNCTIONS
+#endif
 
 #define CONFIG_SYS_BAUDRATE_TABLE	\
 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
@@ -419,7 +525,6 @@
 /*
  * Environment
  */
-#ifdef CONFIG_SYS_RAMBOOT
 #ifdef CONFIG_RAMBOOT_SPIFLASH
 #define CONFIG_ENV_IS_IN_SPI_FLASH
 #define CONFIG_ENV_SPI_BUS	0
@@ -433,16 +538,15 @@
 #define CONFIG_ENV_IS_IN_MMC
 #define CONFIG_ENV_SIZE		0x2000
 #define CONFIG_SYS_MMC_ENV_DEV	0
-#elif defined(CONFIG_NAND_U_BOOT)
+#elif defined(CONFIG_NAND)
 #define CONFIG_ENV_IS_IN_NAND
 #define CONFIG_ENV_SIZE		CONFIG_SYS_NAND_BLOCK_SIZE
 #define CONFIG_ENV_OFFSET	((512 * 1024) + CONFIG_SYS_NAND_BLOCK_SIZE)
 #define CONFIG_ENV_RANGE	(3 * CONFIG_ENV_SIZE)
-#else
+#elif defined(CONFIG_SYS_RAMBOOT)
 #define CONFIG_ENV_IS_NOWHERE	/* Store ENV in memory only */
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - 0x1000)
 #define CONFIG_ENV_SIZE		0x2000
-#endif
 #else
 #define CONFIG_ENV_IS_IN_FLASH
 #if CONFIG_SYS_MONITOR_BASE > 0xfff80000