85xx: Add support for P2020RDB board

The code base adds P1 & P2 RDB platforms support.
The folder and file names can cater to future SOCs of P1/P2 family.
P1 & P2 processors are 85xx platforms, part of Freescale QorIQ series.

Tested following on P2020RDB:
1. eTSECs
2. DDR, NAND, NOR, I2C.

Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

2 files changed, 557 insertions, 1 deletions

diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h
index a5747e1..db4b1ea 100644
--- a/include/asm-ppc/global_data.h
+++ b/include/asm-ppc/global_data.h
@@ -86,7 +86,7 @@ typedef	struct	global_data {
 	u32  mem_sec_clk;
 #endif /* CONFIG_MPC8360 */
 #endif
-#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8536)
+#if defined(CONFIG_FSL_ESDHC)
 	u32 sdhc_clk;
 #endif
 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
diff --git a/include/configs/P1_P2_RDB.h b/include/configs/P1_P2_RDB.h
new file mode 100644
index 0000000..ff4a5cb
--- /dev/null
+++ b/include/configs/P1_P2_RDB.h
@@ -0,0 +1,556 @@
+/*
+ * Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+/*
+ * P1 P2 RDB board configuration file
+ * This file is intended to address a set of Low End and Ultra Low End
+ * Freescale SOCs of QorIQ series(RDB platforms).
+ * Currently only P2020RDB
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* High Level Configuration Options */
+#define CONFIG_BOOKE		1	/* BOOKE */
+#define CONFIG_E500		1	/* BOOKE e500 family */
+#define CONFIG_MPC85xx		1	/* MPC8540/60/55/41/48/P1020/P2020,etc*/
+#define CONFIG_FSL_ELBC		1	/* Enable eLBC Support */
+#define CONFIG_FSL_LAW		1	/* Use common FSL init code */
+#define CONFIG_TSEC_ENET		/* tsec ethernet support */
+#define CONFIG_ENV_OVERWRITE
+
+#ifndef __ASSEMBLY__
+extern unsigned long get_board_sys_clk(unsigned long dummy);
+#endif
+#define CONFIG_DDR_CLK_FREQ	66666666 /* DDRCLK on P1_P2 RDB */
+#define CONFIG_SYS_CLK_FREQ	get_board_sys_clk(0) /*sysclk for P1_P2 RDB */
+
+#if defined(CONFIG_P2020) || defined(CONFIG_P1020)
+#define CONFIG_MP
+#endif
+
+/*
+ * These can be toggled for performance analysis, otherwise use default.
+ */
+#define CONFIG_L2_CACHE			/* toggle L2 cache */
+#define CONFIG_BTB			/* toggle branch predition */
+
+#define CONFIG_ADDR_STREAMING		/* toggle addr streaming */
+
+#define CONFIG_ENABLE_36BIT_PHYS	1
+
+#define CONFIG_SYS_MEMTEST_START	0x00000000	/* memtest works on */
+#define CONFIG_SYS_MEMTEST_END		0x1fffffff
+#define CONFIG_PANIC_HANG	/* do not reset board on panic */
+
+/*
+ * Base addresses -- Note these are effective addresses where the
+ * actual resources get mapped (not physical addresses)
+ */
+#define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000	/* CCSRBAR Default */
+#define CONFIG_SYS_CCSRBAR		0xffe00000	/* relocated CCSRBAR */
+#define CONFIG_SYS_CCSRBAR_PHYS	CONFIG_SYS_CCSRBAR	/* physical addr of */
+							/* CCSRBAR */
+#define CONFIG_SYS_IMMR		CONFIG_SYS_CCSRBAR	/* PQII uses */
+							/* CONFIG_SYS_IMMR */
+#define CONFIG_SYS_PCIE2_ADDR		(CONFIG_SYS_CCSRBAR+0x9000)
+#define CONFIG_SYS_PCIE1_ADDR		(CONFIG_SYS_CCSRBAR+0xa000)
+
+/* DDR Setup */
+#define CONFIG_FSL_DDR2
+#undef CONFIG_FSL_DDR_INTERACTIVE
+#undef CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
+#undef CONFIG_DDR_DLL
+
+#define CONFIG_MEM_INIT_VALUE	0xDeadBeef
+
+#define CONFIG_SYS_SDRAM_SIZE	1024 	/* DDR size on P1_P2 RDBs */
+#define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000
+#define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE
+
+#define CONFIG_NUM_DDR_CONTROLLERS	1
+#define CONFIG_DIMM_SLOTS_PER_CTLR	1
+#define CONFIG_CHIP_SELECTS_PER_CTRL	1
+
+#define CONFIG_SYS_DDR_ERR_INT_EN	0x0000000d
+#define CONFIG_SYS_DDR_ERR_DIS		0x00000000
+#define CONFIG_SYS_DDR_SBE		0x00FF0000
+
+#define CONFIG_SYS_DDR_TLB_START 9
+
+/*
+ * Memory map
+ *
+ * 0x0000_0000	0x3fff_ffff	DDR			1G cacheablen
+ * 0xa000_0000	0xbfff_ffff	PCI Express Mem		1G non-cacheable
+ * 0xffc2_0000	0xffc5_ffff	PCI IO range		256K non-cacheable
+ *
+ * Localbus cacheable (TBD)
+ * 0xXXXX_XXXX	0xXXXX_XXXX	SRAM			YZ M Cacheable
+ *
+ * Localbus non-cacheable
+ * 0xef00_0000	0xefff_ffff	FLASH			16M non-cacheable
+ * 0xffa0_0000	0xffaf_ffff	NAND			1M non-cacheable
+ * 0xffb0_0000	0xffbf_ffff	VSC7385 switch		1M non-cacheable
+ * 0xffd0_0000	0xffd0_3fff	L1 for stack		16K Cacheable TLB0
+ * 0xffe0_0000	0xffef_ffff	CCSR			1M non-cacheable
+ */
+
+/*
+ * Local Bus Definitions
+ */
+#define CONFIG_SYS_FLASH_BASE		0xef000000	/* start of FLASH 16M */
+
+#define CONFIG_SYS_FLASH_BASE_PHYS	CONFIG_SYS_FLASH_BASE
+
+#define CONFIG_FLASH_BR_PRELIM	(BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | \
+					BR_PS_16 | BR_V)
+#define CONFIG_FLASH_OR_PRELIM		0xff000ff7
+
+#define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE}
+#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	1	/* number of banks */
+#define CONFIG_SYS_MAX_FLASH_SECT	128	/* sectors per device */
+#undef	CONFIG_SYS_FLASH_CHECKSUM
+#define CONFIG_SYS_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
+#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */
+
+#define CONFIG_SYS_MONITOR_BASE	TEXT_BASE	/* start of monitor */
+
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_SYS_FLASH_EMPTY_INFO
+#define CONFIG_SYS_FLASH_AMD_CHECK_DQ7
+
+#define CONFIG_BOARD_EARLY_INIT_R	/* call board_early_init_r function */
+
+#define CONFIG_SYS_INIT_RAM_LOCK	1
+#define CONFIG_SYS_INIT_RAM_ADDR      0xffd00000	/* stack in RAM */
+#define CONFIG_SYS_INIT_RAM_END	0x00004000	/* End of used area in RAM */
+
+#define CONFIG_SYS_GBL_DATA_SIZE	128	/* num bytes initial data */
+#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END \
+						- CONFIG_SYS_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
+
+#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_LIST	{CONFIG_SYS_NAND_BASE}
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define NAND_MAX_CHIPS			1
+#define CONFIG_MTD_NAND_VERIFY_WRITE
+#define CONFIG_CMD_NAND			1
+#define CONFIG_NAND_FSL_ELBC		1
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(16 * 1024)
+
+/* NAND flash config */
+#define CONFIG_NAND_BR_PRELIM	(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_NAND_OR_PRELIM	(0xFFF80000		/* length 32K */ \
+				| OR_FCM_CSCT \
+				| OR_FCM_CST \
+				| OR_FCM_CHT \
+				| OR_FCM_SCY_1 \
+				| OR_FCM_TRLX \
+				| OR_FCM_EHTR)
+
+#define CONFIG_SYS_BR0_PRELIM  CONFIG_FLASH_BR_PRELIM  /* NOR Base Address */
+#define CONFIG_SYS_OR0_PRELIM  CONFIG_FLASH_OR_PRELIM  /* NOR Options */
+#define CONFIG_SYS_BR1_PRELIM  CONFIG_NAND_BR_PRELIM  /* NAND Base Address */
+#define CONFIG_SYS_OR1_PRELIM  CONFIG_NAND_OR_PRELIM  /* NAND Options */
+
+#define CONFIG_SYS_VSC7385_BASE	0xffb00000
+
+#define CONFIG_SYS_VSC7385_BASE_PHYS	CONFIG_SYS_VSC7385_BASE
+
+#define CONFIG_SYS_BR2_PRELIM	(CONFIG_SYS_VSC7385_BASE | BR_PS_8 | BR_V)
+#define CONFIG_SYS_OR2_PRELIM	(OR_AM_128KB | OR_GPCM_CSNT | OR_GPCM_XACS | \
+				OR_GPCM_SCY_15 | OR_GPCM_SETA | OR_GPCM_TRLX | \
+				OR_GPCM_EHTR | OR_GPCM_EAD)
+
+/* Serial Port - controlled on board with jumper J8
+ * open - index 2
+ * shorted - index 1
+ */
+#define CONFIG_CONS_INDEX	1
+//#define CONFIG_CONS_INDEX	2
+#undef	CONFIG_SERIAL_SOFTWARE_FIFO
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE	1
+#define CONFIG_SYS_NS16550_CLK		get_bus_freq(0)
+
+#define CONFIG_SERIAL_MULTI	1 /* Enable both serial ports */
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV	/* determine from environment */
+
+#define CONFIG_SYS_BAUDRATE_TABLE	\
+	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
+
+#define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_CCSRBAR+0x4500)
+#define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_CCSRBAR+0x4600)
+
+/* Use the HUSH parser */
+#define CONFIG_SYS_HUSH_PARSER
+#ifdef	CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
+#endif
+
+/*
+ * Pass open firmware flat tree
+ */
+#define CONFIG_OF_LIBFDT		1
+#define CONFIG_OF_BOARD_SETUP		1
+#define CONFIG_OF_STDOUT_VIA_ALIAS	1
+
+#define CONFIG_SYS_64BIT_VSPRINTF	1
+#define CONFIG_SYS_64BIT_STRTOUL	1
+
+/* new uImage format support */
+#define CONFIG_FIT		1
+#define CONFIG_FIT_VERBOSE	1 /* enable fit_format_{error,warning}() */
+
+/* I2C */
+#define CONFIG_FSL_I2C		/* Use FSL common I2C driver */
+#define CONFIG_HARD_I2C		/* I2C with hardware support */
+#undef	CONFIG_SOFT_I2C		/* I2C bit-banged */
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_I2C_CMD_TREE
+#define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed and slave address*/
+#define CONFIG_SYS_I2C_EEPROM_ADDR	0x57
+#define CONFIG_SYS_I2C_SLAVE		0x7F
+#define CONFIG_SYS_I2C_NOPROBES	{{0,0x29}}	/* Don't probe these addrs */
+#define CONFIG_SYS_I2C_OFFSET		0x3000
+#define CONFIG_SYS_I2C2_OFFSET		0x3100
+
+/*
+ * I2C2 EEPROM
+ */
+#define CONFIG_ID_EEPROM
+#ifdef CONFIG_ID_EEPROM
+#define CONFIG_SYS_I2C_EEPROM_NXID
+#endif
+#define CONFIG_SYS_I2C_EEPROM_ADDR	0x57
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
+#define CONFIG_SYS_EEPROM_BUS_NUM	1
+
+#define CONFIG_RTC_DS1337
+#define CONFIG_SYS_I2C_RTC_ADDR                0x68
+/*
+ * General PCI
+ * Memory space is mapped 1-1, but I/O space must start from 0.
+ */
+
+/* controller 2, Slot 2, tgtid 2, Base address 9000 */
+#define CONFIG_SYS_PCIE2_MEM_VIRT	0xa0000000
+#define CONFIG_SYS_PCIE2_MEM_BUS	0xa0000000
+#define CONFIG_SYS_PCIE2_MEM_PHYS	0xa0000000
+#define CONFIG_SYS_PCIE2_MEM_SIZE	0x20000000	/* 512M */
+#define CONFIG_SYS_PCIE2_IO_VIRT	0xffc20000
+#define CONFIG_SYS_PCIE2_IO_BUS	0x00000000
+#define CONFIG_SYS_PCIE2_IO_PHYS	0xffc20000
+#define CONFIG_SYS_PCIE2_IO_SIZE	0x00010000	/* 64k */
+
+/* controller 1, Slot 1, tgtid 1, Base address a000 */
+#define CONFIG_SYS_PCIE1_MEM_VIRT	0xc0000000
+#define CONFIG_SYS_PCIE1_MEM_BUS	0xc0000000
+#define CONFIG_SYS_PCIE1_MEM_PHYS	0xc0000000
+#define CONFIG_SYS_PCIE1_MEM_SIZE	0x20000000	/* 512M */
+#define CONFIG_SYS_PCIE1_IO_VIRT	0xffc30000
+#define CONFIG_SYS_PCIE1_IO_BUS	0x00000000
+#define CONFIG_SYS_PCIE1_IO_PHYS	0xffc30000
+#define CONFIG_SYS_PCIE1_IO_SIZE	0x00010000	/* 64k */
+
+#if defined(CONFIG_PCI)
+#define CONFIG_NET_MULTI
+#define CONFIG_PCI_PNP			/* do pci plug-and-play */
+
+#undef CONFIG_EEPRO100
+#undef CONFIG_TULIP
+#undef CONFIG_RTL8139
+
+#ifdef CONFIG_RTL8139
+/* This macro is used by RTL8139 but not defined in PPC architecture */
+#define KSEG1ADDR(x)		(x)
+#define _IO_BASE	0x00000000
+#endif
+
+
+#define CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
+#define CONFIG_DOS_PARTITION
+
+#endif	/* CONFIG_PCI */
+
+#if defined(CONFIG_TSEC_ENET)
+#ifndef CONFIG_NET_MULTI
+#define CONFIG_NET_MULTI	1
+#endif
+
+#define CONFIG_MII		1	/* MII PHY management */
+#define CONFIG_MII_DEFAULT_TSEC	1	/* Allow unregistered phys */
+#define CONFIG_TSEC1	1
+#define CONFIG_TSEC1_NAME	"eTSEC1"
+#define CONFIG_TSEC2	1
+#define CONFIG_TSEC2_NAME	"eTSEC2"
+#define CONFIG_TSEC3	1
+#define CONFIG_TSEC3_NAME	"eTSEC3"
+
+#define TSEC1_PHY_ADDR		2
+#define TSEC2_PHY_ADDR		0
+#define TSEC3_PHY_ADDR		1
+
+#define CONFIG_VSC7385_ENET
+
+#define TSEC1_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
+#define TSEC2_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
+#define TSEC3_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
+
+#define TSEC1_PHYIDX		0
+#define TSEC2_PHYIDX		0
+#define TSEC3_PHYIDX		0
+
+/* Vitesse 7385 */
+
+#ifdef CONFIG_VSC7385_ENET
+/* The size of the VSC7385 firmware image */
+#define CONFIG_VSC7385_IMAGE_SIZE	8192
+#endif
+
+#define CONFIG_ETHPRIME		"eTSEC1"
+
+#define CONFIG_PHY_GIGE		1	/* Include GbE speed/duplex detection */
+#endif	/* CONFIG_TSEC_ENET */
+
+/*
+ * Environment
+ */
+#define CONFIG_ENV_IS_IN_FLASH	1
+#if CONFIG_SYS_MONITOR_BASE > 0xfff80000
+#define CONFIG_ENV_ADDR		0xfff80000
+#else
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
+#endif
+#define CONFIG_ENV_SIZE		0x2000
+#define CONFIG_ENV_SECT_SIZE	0x20000 /* 128K (one sector) */
+
+#define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
+#define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_DATE
+#define CONFIG_CMD_ELF
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_IRQ
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_SETEXPR
+
+#if defined(CONFIG_PCI)
+#define CONFIG_CMD_BEDBUG
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_PCI
+#endif
+
+#undef CONFIG_WATCHDOG			/* watchdog disabled */
+
+#define CONFIG_MMC	1
+
+#ifdef CONFIG_MMC
+#define CONFIG_BOARD_EARLY_INIT_F	1	/* Call board_pre_init */
+#define CONFIG_CMD_MMC
+#define CONFIG_DOS_PARTITION
+#define CONFIG_FSL_ESDHC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SYS_FSL_ESDHC_ADDR	CONFIG_SYS_MPC85xx_ESDHC_ADDR
+#ifdef CONFIG_P2020
+#define CONFIG_SYS_FSL_ESDHC_USE_PIO /* P2020 eSDHC DMA is not functional*/
+#endif
+#endif
+
+#define CONFIG_USB_EHCI
+
+#ifdef CONFIG_USB_EHCI
+#define CONFIG_CMD_USB
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#define CONFIG_USB_EHCI_FSL
+#define CONFIG_USB_STORAGE
+#endif
+
+#if defined(CONFIG_MMC) || defined(CONFIG_USB_EHCI)
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#endif
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
+#define CONFIG_CMDLINE_EDITING			/* Command-line editing */
+#define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
+#define CONFIG_SYS_PROMPT	"=> "		/* Monitor Command Prompt */
+#if defined(CONFIG_CMD_KGDB)
+#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
+#else
+#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
+#endif
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
+						/* Print Buffer Size */
+#define CONFIG_SYS_MAXARGS	16		/* max number of command args */
+#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE/* Boot Argument Buffer Size */
+#define CONFIG_SYS_HZ		1000		/* decrementer freq: 1ms ticks */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 16 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define CONFIG_SYS_BOOTMAPSZ	(16 << 20)/* Initial Memory map for Linux*/
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM	0x02		/* Software reboot */
+
+#if defined(CONFIG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
+#endif
+
+/*
+ * Environment Configuration
+ */
+
+#if defined(CONFIG_TSEC_ENET)
+#define CONFIG_HAS_ETH0
+#define CONFIG_HAS_ETH1
+#define CONFIG_HAS_ETH2
+#endif
+
+#define CONFIG_HOSTNAME		P2020RDB
+#define CONFIG_ROOTPATH		/opt/nfsroot
+#define CONFIG_BOOTFILE		uImage
+#define CONFIG_UBOOTPATH	u-boot.bin/* U-Boot image on TFTP server */
+
+/* default location for tftp and bootm */
+#define CONFIG_LOADADDR		1000000
+
+#define CONFIG_BOOTDELAY 10	/* -1 disables auto-boot */
+#undef  CONFIG_BOOTARGS		/* the boot command will set bootargs */
+
+#define CONFIG_BAUDRATE	115200
+
+#define	CONFIG_EXTRA_ENV_SETTINGS				\
+	"netdev=eth0\0"						\
+	"uboot=" MK_STR(CONFIG_UBOOTPATH) "\0"				\
+	"loadaddr=1000000\0"			\
+	"bootfile=uImage\0"	\
+	"tftpflash=tftpboot $loadaddr $uboot; "			\
+		"protect off " MK_STR(TEXT_BASE) " +$filesize; "	\
+		"erase " MK_STR(TEXT_BASE) " +$filesize; "		\
+		"cp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize; "	\
+		"protect on " MK_STR(TEXT_BASE) " +$filesize; "		\
+		"cmp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize\0"	\
+	"consoledev=ttyS0\0"				\
+	"ramdiskaddr=2000000\0"			\
+	"ramdiskfile=rootfs.ext2.gz.uboot\0"		\
+	"fdtaddr=c00000\0"				\
+	"fdtfile=p2020rdb.dtb\0"		\
+	"bdev=sda1\0"	\
+	"jffs2nor=mtdblock3\0"	\
+	"norbootaddr=ef080000\0"	\
+	"norfdtaddr=ef040000\0"	\
+	"jffs2nand=mtdblock9\0"	\
+	"nandbootaddr=100000\0"	\
+	"nandfdtaddr=80000\0"		\
+	"nandimgsize=400000\0"		\
+	"nandfdtsize=80000\0"		\
+	"usb_phy_type=ulpi\0"		\
+	"vscfw_addr=ef000000\0"	\
+	"othbootargs=ramdisk_size=600000\0" \
+	"usbfatboot=setenv bootargs root=/dev/ram rw "	\
+	"console=$consoledev,$baudrate $othbootargs; "	\
+	"usb start;"			\
+	"fatload usb 0:2 $loadaddr $bootfile;"		\
+	"fatload usb 0:2 $fdtaddr $fdtfile;"	\
+	"fatload usb 0:2 $ramdiskaddr $ramdiskfile;"	\
+	"bootm $loadaddr $ramdiskaddr $fdtaddr\0"		\
+	"usbext2boot=setenv bootargs root=/dev/ram rw "	\
+	"console=$consoledev,$baudrate $othbootargs; "	\
+	"usb start;"			\
+	"ext2load usb 0:4 $loadaddr $bootfile;"		\
+	"ext2load usb 0:4 $fdtaddr $fdtfile;"	\
+	"ext2load usb 0:4 $ramdiskaddr $ramdiskfile;"	\
+	"bootm $loadaddr $ramdiskaddr $fdtaddr\0"		\
+	"norboot=setenv bootargs root=/dev/$jffs2nor rw "	\
+	"console=$consoledev,$baudrate rootfstype=jffs2 $othbootargs;"	\
+	"bootm $norbootaddr - $norfdtaddr\0"		\
+	"nandboot=setenv bootargs root=/dev/$jffs2nand rw rootfstype=jffs2 " \
+	"console=$consoledev,$baudrate $othbootargs;"	\
+	"nand read 2000000 $nandbootaddr $nandimgsize;"	\
+	"nand read 3000000 $nandfdtaddr $nandfdtsize;"	\
+	"bootm 2000000 - 3000000;\0"
+
+#define CONFIG_NFSBOOTCOMMAND		\
+	"setenv bootargs root=/dev/nfs rw "	\
+	"nfsroot=$serverip:$rootpath "		\
+	"ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
+	"console=$consoledev,$baudrate $othbootargs;"	\
+	"tftp $loadaddr $bootfile;"		\
+	"tftp $fdtaddr $fdtfile;"		\
+	"bootm $loadaddr - $fdtaddr"
+
+#define CONFIG_HDBOOT			\
+	"setenv bootargs root=/dev/$bdev rw rootdelay=30 "	\
+	"console=$consoledev,$baudrate $othbootargs;"	\
+	"usb start;"			\
+	"ext2load usb 0:1 $loadaddr /boot/$bootfile;"		\
+	"ext2load usb 0:1 $fdtaddr /boot/$fdtfile;"	\
+	"bootm $loadaddr - $fdtaddr"
+
+#define CONFIG_RAMBOOTCOMMAND		\
+	"setenv bootargs root=/dev/ram rw "	\
+	"console=$consoledev,$baudrate $othbootargs; "	\
+	"tftp $ramdiskaddr $ramdiskfile;"	\
+	"tftp $loadaddr $bootfile;"		\
+	"tftp $fdtaddr $fdtfile;"		\
+	"bootm $loadaddr $ramdiskaddr $fdtaddr"
+
+#define CONFIG_BOOTCOMMAND		CONFIG_HDBOOT
+
+#endif	/* __CONFIG_H */