include/configs/MPC8541CDS.h - github/trini/u-boot - Gitiles

 /*
  * Copyright 2004 Freescale Semiconductor.
  *
  * 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
  */

 /*
  * mpc8541cds board configuration file
  *
  * Please refer to doc/README.mpc85xxcds for more info.
  *
  */
 #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 */
 #define CONFIG_CPM2		1	/* has CPM2 */
 #define CONFIG_MPC8541		1	/* MPC8541 specific */
 #define CONFIG_MPC8541CDS	1	/* MPC8541CDS board specific */

 #define CONFIG_PCI
 #define CONFIG_SYS_PCI_64BIT	1	/* enable 64-bit PCI resources */
 #define CONFIG_TSEC_ENET		/* tsec ethernet support */
 #define CONFIG_ENV_OVERWRITE

 #define CONFIG_FSL_LAW		1	/* Use common FSL init code */

 #define CONFIG_FSL_VIA

 /*
  * When initializing flash, if we cannot find the manufacturer ID,
  * assume this is the AMD flash associated with the CDS board.
  * This allows booting from a promjet.
  */
 #define CONFIG_ASSUME_AMD_FLASH

 #ifndef __ASSEMBLY__
 extern unsigned long get_clock_freq(void);
 #endif
 #define CONFIG_SYS_CLK_FREQ	get_clock_freq() /* sysclk for MPC85xx */

 /*
  * 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_SYS_MEMTEST_START	0x00200000	/* memtest works on */
 #define CONFIG_SYS_MEMTEST_END		0x00400000

 /*
  * 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		0xe0000000	/* 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 */

 /* DDR Setup */
 #define CONFIG_FSL_DDR1
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
 #define CONFIG_DDR_SPD
 #undef CONFIG_FSL_DDR_INTERACTIVE

 #define CONFIG_MEM_INIT_VALUE		0xDeadBeef

 #define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000	/* DDR is system memory*/
 #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	(2 * CONFIG_DIMM_SLOTS_PER_CTLR)

 /* I2C addresses of SPD EEPROMs */
 #define SPD_EEPROM_ADDRESS	0x51	/* CTLR 0 DIMM 0 */

 /*
  * Make sure required options are set
  */
 #ifndef CONFIG_SPD_EEPROM
 #error ("CONFIG_SPD_EEPROM is required by MPC85555CDS")
 #endif

 #undef CONFIG_CLOCKS_IN_MHZ

 /*
  * Local Bus Definitions
  */

 /*
  * FLASH on the Local Bus
  * Two banks, 8M each, using the CFI driver.
  * Boot from BR0/OR0 bank at 0xff00_0000
  * Alternate BR1/OR1 bank at 0xff80_0000
  *
  * BR0, BR1:
  *    Base address 0 = 0xff00_0000 = BR0[0:16] = 1111 1111 0000 0000 0
  *    Base address 1 = 0xff80_0000 = BR1[0:16] = 1111 1111 1000 0000 0
  *    Port Size = 16 bits = BRx[19:20] = 10
  *    Use GPCM = BRx[24:26] = 000
  *    Valid = BRx[31] = 1
  *
  * 0    4    8    12   16   20   24   28
  * 1111 1111 1000 0000 0001 0000 0000 0001 = ff801001    BR0
  * 1111 1111 0000 0000 0001 0000 0000 0001 = ff001001    BR1
  *
  * OR0, OR1:
  *    Addr Mask = 8M = ORx[0:16] = 1111 1111 1000 0000 0
  *    Reserved ORx[17:18] = 11, confusion here?
  *    CSNT = ORx[20] = 1
  *    ACS = half cycle delay = ORx[21:22] = 11
  *    SCY = 6 = ORx[24:27] = 0110
  *    TRLX = use relaxed timing = ORx[29] = 1
  *    EAD = use external address latch delay = OR[31] = 1
  *
  * 0    4    8    12   16   20   24   28
  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    ORx
  */

 #define CONFIG_SYS_FLASH_BASE		0xff000000	/* start of FLASH 8M */

 #define CONFIG_SYS_BR0_PRELIM		0xff801001
 #define CONFIG_SYS_BR1_PRELIM		0xff001001

 #define	CONFIG_SYS_OR0_PRELIM		0xff806e65
 #define	CONFIG_SYS_OR1_PRELIM		0xff806e65

 #define CONFIG_SYS_FLASH_BANKS_LIST	{0xff800000, CONFIG_SYS_FLASH_BASE}
 #define CONFIG_SYS_MAX_FLASH_BANKS	2		/* 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


 /*
  * SDRAM on the Local Bus
  */
 #define CONFIG_SYS_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
 #define CONFIG_SYS_LBC_SDRAM_SIZE	64		/* LBC SDRAM is 64MB */

 /*
  * Base Register 2 and Option Register 2 configure SDRAM.
  * The SDRAM base address, CONFIG_SYS_LBC_SDRAM_BASE, is 0xf0000000.
  *
  * For BR2, need:
  *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
  *    port-size = 32-bits = BR2[19:20] = 11
  *    no parity checking = BR2[21:22] = 00
  *    SDRAM for MSEL = BR2[24:26] = 011
  *    Valid = BR[31] = 1
  *
  * 0    4    8    12   16   20   24   28
  * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
  *
  * FIXME: CONFIG_SYS_LBC_SDRAM_BASE should be masked and OR'ed into
  * FIXME: the top 17 bits of BR2.
  */

 #define CONFIG_SYS_BR2_PRELIM          0xf0001861

 /*
  * The SDRAM size in MB, CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
  *
  * For OR2, need:
  *    64MB mask for AM, OR2[0:7] = 1111 1100
  *		   XAM, OR2[17:18] = 11
  *    9 columns OR2[19-21] = 010
  *    13 rows   OR2[23-25] = 100
  *    EAD set for extra time OR[31] = 1
  *
  * 0    4    8    12   16   20   24   28
  * 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901
  */

 #define CONFIG_SYS_OR2_PRELIM		0xfc006901

 #define CONFIG_SYS_LBC_LCRR		0x00030004    /* LB clock ratio reg */
 #define CONFIG_SYS_LBC_LBCR		0x00000000    /* LB config reg */
 #define CONFIG_SYS_LBC_LSRT		0x20000000  /* LB sdram refresh timer */
 #define CONFIG_SYS_LBC_MRTPR		0x00000000  /* LB refresh timer prescal*/

 /*
  * LSDMR masks
  */
 #define CONFIG_SYS_LBC_LSDMR_RFEN	(1 << (31 -  1))
 #define CONFIG_SYS_LBC_LSDMR_BSMA1516	(3 << (31 - 10))
 #define CONFIG_SYS_LBC_LSDMR_BSMA1617	(4 << (31 - 10))
 #define CONFIG_SYS_LBC_LSDMR_RFCR16	(7 << (31 - 16))
 #define CONFIG_SYS_LBC_LSDMR_PRETOACT7	(7 << (31 - 19))
 #define CONFIG_SYS_LBC_LSDMR_ACTTORW7	(7 << (31 - 22))
 #define CONFIG_SYS_LBC_LSDMR_ACTTORW6	(6 << (31 - 22))
 #define CONFIG_SYS_LBC_LSDMR_BL8	(1 << (31 - 23))
 #define CONFIG_SYS_LBC_LSDMR_WRC4	(0 << (31 - 27))
 #define CONFIG_SYS_LBC_LSDMR_CL3	(3 << (31 - 31))

 #define CONFIG_SYS_LBC_LSDMR_OP_NORMAL	(0 << (31 - 4))
 #define CONFIG_SYS_LBC_LSDMR_OP_ARFRSH	(1 << (31 - 4))
 #define CONFIG_SYS_LBC_LSDMR_OP_SRFRSH	(2 << (31 - 4))
 #define CONFIG_SYS_LBC_LSDMR_OP_MRW	(3 << (31 - 4))
 #define CONFIG_SYS_LBC_LSDMR_OP_PRECH	(4 << (31 - 4))
 #define CONFIG_SYS_LBC_LSDMR_OP_PCHALL	(5 << (31 - 4))
 #define CONFIG_SYS_LBC_LSDMR_OP_ACTBNK	(6 << (31 - 4))
 #define CONFIG_SYS_LBC_LSDMR_OP_RWINV	(7 << (31 - 4))

 /*
  * Common settings for all Local Bus SDRAM commands.
  * At run time, either BSMA1516 (for CPU 1.1)
  *                  or BSMA1617 (for CPU 1.0) (old)
  * is OR'ed in too.
  */
 #define CONFIG_SYS_LBC_LSDMR_COMMON	( CONFIG_SYS_LBC_LSDMR_RFCR16		\
 				| CONFIG_SYS_LBC_LSDMR_PRETOACT7	\
 				| CONFIG_SYS_LBC_LSDMR_ACTTORW7	\
 				| CONFIG_SYS_LBC_LSDMR_BL8		\
 				| CONFIG_SYS_LBC_LSDMR_WRC4		\
 				| CONFIG_SYS_LBC_LSDMR_CL3		\
 				| CONFIG_SYS_LBC_LSDMR_RFEN		\
 				)

 /*
  * The CADMUS registers are connected to CS3 on CDS.
  * The new memory map places CADMUS at 0xf8000000.
  *
  * For BR3, need:
  *    Base address of 0xf8000000 = BR[0:16] = 1111 1000 0000 0000 0
  *    port-size = 8-bits  = BR[19:20] = 01
  *    no parity checking  = BR[21:22] = 00
  *    GPMC for MSEL       = BR[24:26] = 000
  *    Valid               = BR[31]    = 1
  *
  * 0    4    8    12   16   20   24   28
  * 1111 1000 0000 0000 0000 1000 0000 0001 = f8000801
  *
  * For OR3, need:
  *    1 MB mask for AM,   OR[0:16]  = 1111 1111 1111 0000 0
  *    disable buffer ctrl OR[19]    = 0
  *    CSNT                OR[20]    = 1
  *    ACS                 OR[21:22] = 11
  *    XACS                OR[23]    = 1
  *    SCY 15 wait states  OR[24:27] = 1111	max is suboptimal but safe
  *    SETA                OR[28]    = 0
  *    TRLX                OR[29]    = 1
  *    EHTR                OR[30]    = 1
  *    EAD extra time      OR[31]    = 1
  *
  * 0    4    8    12   16   20   24   28
  * 1111 1111 1111 0000 0000 1111 1111 0111 = fff00ff7
  */

 #define CONFIG_FSL_CADMUS

 #define CADMUS_BASE_ADDR 0xf8000000
 #define CONFIG_SYS_BR3_PRELIM   0xf8000801
 #define CONFIG_SYS_OR3_PRELIM   0xfff00ff7

 #define CONFIG_SYS_INIT_RAM_LOCK	1
 #define CONFIG_SYS_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
 #define CONFIG_SYS_INIT_RAM_END	0x4000	    /* 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		(128 * 1024)	/* Reserved for malloc */

 /* Serial Port */
 #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_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

 /*
  * 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_SYS_I2C_SPEED		400000	/* I2C speed and slave address */
 #define CONFIG_SYS_I2C_SLAVE		0x7F
 #define CONFIG_SYS_I2C_NOPROBES        {0x69}	/* Don't probe these addrs */
 #define CONFIG_SYS_I2C_OFFSET		0x3000

 /* EEPROM */
 #define CONFIG_ID_EEPROM
 #define CONFIG_SYS_I2C_EEPROM_CCID
 #define CONFIG_SYS_ID_EEPROM
 #define CONFIG_SYS_I2C_EEPROM_ADDR     0x57
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2

 /*
  * General PCI
  * Memory space is mapped 1-1, but I/O space must start from 0.
  */
 #define CONFIG_SYS_PCI1_MEM_VIRT	0x80000000
 #define CONFIG_SYS_PCI1_MEM_BUS	0x80000000
 #define CONFIG_SYS_PCI1_MEM_PHYS	0x80000000
 #define CONFIG_SYS_PCI1_MEM_SIZE	0x20000000	/* 512M */
 #define CONFIG_SYS_PCI1_IO_VIRT	0xe2000000
 #define CONFIG_SYS_PCI1_IO_BUS	0x00000000
 #define CONFIG_SYS_PCI1_IO_PHYS	0xe2000000
 #define CONFIG_SYS_PCI1_IO_SIZE	0x100000	/* 1M */

 #define CONFIG_SYS_PCI2_MEM_VIRT	0xa0000000
 #define CONFIG_SYS_PCI2_MEM_BUS	0xa0000000
 #define CONFIG_SYS_PCI2_MEM_PHYS	0xa0000000
 #define CONFIG_SYS_PCI2_MEM_SIZE	0x20000000	/* 512M */
 #define CONFIG_SYS_PCI2_IO_VIRT	0xe2100000
 #define CONFIG_SYS_PCI2_IO_BUS	0x00000000
 #define CONFIG_SYS_PCI2_IO_PHYS	0xe2100000
 #define CONFIG_SYS_PCI2_IO_SIZE	0x100000	/* 1M */

 #ifdef CONFIG_LEGACY
 #define BRIDGE_ID 17
 #define VIA_ID 2
 #else
 #define BRIDGE_ID 28
 #define VIA_ID 4
 #endif

 #if defined(CONFIG_PCI)

 #define CONFIG_MPC85XX_PCI2
 #define CONFIG_NET_MULTI
 #define CONFIG_PCI_PNP			/* do pci plug-and-play */

 #undef CONFIG_EEPRO100
 #undef CONFIG_TULIP

 #undef CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x1057  /* Motorola */

 #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_TSEC1	1
 #define CONFIG_TSEC1_NAME	"TSEC0"
 #define CONFIG_TSEC2	1
 #define CONFIG_TSEC2_NAME	"TSEC1"
 #define TSEC1_PHY_ADDR		0
 #define TSEC2_PHY_ADDR		1
 #define TSEC1_PHYIDX		0
 #define TSEC2_PHYIDX		0
 #define TSEC1_FLAGS		TSEC_GIGABIT
 #define TSEC2_FLAGS		TSEC_GIGABIT

 /* Options are: TSEC[0-1] */
 #define CONFIG_ETHPRIME		"TSEC0"

 #endif	/* CONFIG_TSEC_ENET */

 /*
  * Environment
  */
 #define CONFIG_ENV_IS_IN_FLASH	1
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x40000)
 #define CONFIG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
 #define CONFIG_ENV_SIZE		0x2000

 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
 #define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change */

 /*
  * BOOTP options
  */
 #define CONFIG_BOOTP_BOOTFILESIZE
 #define CONFIG_BOOTP_BOOTPATH
 #define CONFIG_BOOTP_GATEWAY
 #define CONFIG_BOOTP_HOSTNAME


 /*
  * Command line configuration.
  */
 #include <config_cmd_default.h>

 #define CONFIG_CMD_PING
 #define CONFIG_CMD_I2C
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_ELF
 #define CONFIG_CMD_IRQ
 #define CONFIG_CMD_SETEXPR

 #if defined(CONFIG_PCI)
     #define CONFIG_CMD_PCI
 #endif


 #undef CONFIG_WATCHDOG			/* watchdog disabled */

 /*
  * 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 8 MB of memory, since this is
  * the maximum mapped by the Linux kernel during initialization.
  */
 #define CONFIG_SYS_BOOTMAPSZ	(8 << 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
  */

 /* The mac addresses for all ethernet interface */
 #if defined(CONFIG_TSEC_ENET)
 #define CONFIG_HAS_ETH0
 #define CONFIG_ETHADDR   00:E0:0C:00:00:FD
 #define CONFIG_HAS_ETH1
 #define CONFIG_ETH1ADDR  00:E0:0C:00:01:FD
 #define CONFIG_HAS_ETH2
 #define CONFIG_ETH2ADDR  00:E0:0C:00:02:FD
 #endif

 #define CONFIG_IPADDR    192.168.1.253

 #define CONFIG_HOSTNAME  unknown
 #define CONFIG_ROOTPATH  /nfsroot
 #define CONFIG_BOOTFILE  your.uImage

 #define CONFIG_SERVERIP  192.168.1.1
 #define CONFIG_GATEWAYIP 192.168.1.1
 #define CONFIG_NETMASK   255.255.255.0

 #define CONFIG_LOADADDR  200000   /*default location for tftp and bootm*/

 #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"                                                      \
    "consoledev=ttyS1\0"                                                 \
    "ramdiskaddr=600000\0"                                               \
    "ramdiskfile=your.ramdisk.u-boot\0"					\
    "fdtaddr=400000\0"							\
    "fdtfile=your.fdt.dtb\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_RAMBOOTCOMMAND \
    "setenv bootargs root=/dev/ram rw "                                  \
       "console=$consoledev,$baudrate $othbootargs;"                     \
    "tftp $ramdiskaddr $ramdiskfile;"                                    \
    "tftp $loadaddr $bootfile;"                                          \
    "bootm $loadaddr $ramdiskaddr"

 #define CONFIG_BOOTCOMMAND  CONFIG_NFSBOOTCOMMAND

 #endif	/* __CONFIG_H */
	/*
	* Copyright 2004 Freescale Semiconductor.
	*
	* 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
	*/

	/*
	* mpc8541cds board configuration file
	*
	* Please refer to doc/README.mpc85xxcds for more info.
	*
	*/
	#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 */
	#define CONFIG_CPM2 1 /* has CPM2 */
	#define CONFIG_MPC8541 1 /* MPC8541 specific */
	#define CONFIG_MPC8541CDS 1 /* MPC8541CDS board specific */

	#define CONFIG_PCI
	#define CONFIG_SYS_PCI_64BIT 1 /* enable 64-bit PCI resources */
	#define CONFIG_TSEC_ENET /* tsec ethernet support */
	#define CONFIG_ENV_OVERWRITE

	#define CONFIG_FSL_LAW 1 /* Use common FSL init code */

	#define CONFIG_FSL_VIA

	/*
	* When initializing flash, if we cannot find the manufacturer ID,
	* assume this is the AMD flash associated with the CDS board.
	* This allows booting from a promjet.
	*/
	#define CONFIG_ASSUME_AMD_FLASH

	#ifndef __ASSEMBLY__
	extern unsigned long get_clock_freq(void);
	#endif
	#define CONFIG_SYS_CLK_FREQ get_clock_freq() /* sysclk for MPC85xx */

	/*
	* 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_SYS_MEMTEST_START 0x00200000 /* memtest works on */
	#define CONFIG_SYS_MEMTEST_END 0x00400000

	/*
	* 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 0xe0000000 /* 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 */

	/* DDR Setup */
	#define CONFIG_FSL_DDR1
	#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for DDR setup*/
	#define CONFIG_DDR_SPD
	#undef CONFIG_FSL_DDR_INTERACTIVE

	#define CONFIG_MEM_INIT_VALUE 0xDeadBeef

	#define CONFIG_SYS_DDR_SDRAM_BASE 0x00000000 /* DDR is system memory*/
	#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 (2 * CONFIG_DIMM_SLOTS_PER_CTLR)

	/* I2C addresses of SPD EEPROMs */
	#define SPD_EEPROM_ADDRESS 0x51 /* CTLR 0 DIMM 0 */

	/*
	* Make sure required options are set
	*/
	#ifndef CONFIG_SPD_EEPROM
	#error ("CONFIG_SPD_EEPROM is required by MPC85555CDS")
	#endif

	#undef CONFIG_CLOCKS_IN_MHZ

	/*
	* Local Bus Definitions
	*/

	/*
	* FLASH on the Local Bus
	* Two banks, 8M each, using the CFI driver.
	* Boot from BR0/OR0 bank at 0xff00_0000
	* Alternate BR1/OR1 bank at 0xff80_0000
	*
	* BR0, BR1:
	* Base address 0 = 0xff00_0000 = BR0[0:16] = 1111 1111 0000 0000 0
	* Base address 1 = 0xff80_0000 = BR1[0:16] = 1111 1111 1000 0000 0
	* Port Size = 16 bits = BRx[19:20] = 10
	* Use GPCM = BRx[24:26] = 000
	* Valid = BRx[31] = 1
	*
	* 0 4 8 12 16 20 24 28
	* 1111 1111 1000 0000 0001 0000 0000 0001 = ff801001 BR0
	* 1111 1111 0000 0000 0001 0000 0000 0001 = ff001001 BR1
	*
	* OR0, OR1:
	* Addr Mask = 8M = ORx[0:16] = 1111 1111 1000 0000 0
	* Reserved ORx[17:18] = 11, confusion here?
	* CSNT = ORx[20] = 1
	* ACS = half cycle delay = ORx[21:22] = 11
	* SCY = 6 = ORx[24:27] = 0110
	* TRLX = use relaxed timing = ORx[29] = 1
	* EAD = use external address latch delay = OR[31] = 1
	*
	* 0 4 8 12 16 20 24 28
	* 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65 ORx
	*/

	#define CONFIG_SYS_FLASH_BASE 0xff000000 /* start of FLASH 8M */

	#define CONFIG_SYS_BR0_PRELIM 0xff801001
	#define CONFIG_SYS_BR1_PRELIM 0xff001001

	#define CONFIG_SYS_OR0_PRELIM 0xff806e65
	#define CONFIG_SYS_OR1_PRELIM 0xff806e65

	#define CONFIG_SYS_FLASH_BANKS_LIST {0xff800000, CONFIG_SYS_FLASH_BASE}
	#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* 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


	/*
	* SDRAM on the Local Bus
	*/
	#define CONFIG_SYS_LBC_SDRAM_BASE 0xf0000000 /* Localbus SDRAM */
	#define CONFIG_SYS_LBC_SDRAM_SIZE 64 /* LBC SDRAM is 64MB */

	/*
	* Base Register 2 and Option Register 2 configure SDRAM.
	* The SDRAM base address, CONFIG_SYS_LBC_SDRAM_BASE, is 0xf0000000.
	*
	* For BR2, need:
	* Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
	* port-size = 32-bits = BR2[19:20] = 11
	* no parity checking = BR2[21:22] = 00
	* SDRAM for MSEL = BR2[24:26] = 011
	* Valid = BR[31] = 1
	*
	* 0 4 8 12 16 20 24 28
	* 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
	*
	* FIXME: CONFIG_SYS_LBC_SDRAM_BASE should be masked and OR'ed into
	* FIXME: the top 17 bits of BR2.
	*/

	#define CONFIG_SYS_BR2_PRELIM 0xf0001861

	/*
	* The SDRAM size in MB, CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
	*
	* For OR2, need:
	* 64MB mask for AM, OR2[0:7] = 1111 1100
	* XAM, OR2[17:18] = 11
	* 9 columns OR2[19-21] = 010
	* 13 rows OR2[23-25] = 100
	* EAD set for extra time OR[31] = 1
	*
	* 0 4 8 12 16 20 24 28
	* 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901
	*/

	#define CONFIG_SYS_OR2_PRELIM 0xfc006901

	#define CONFIG_SYS_LBC_LCRR 0x00030004 /* LB clock ratio reg */
	#define CONFIG_SYS_LBC_LBCR 0x00000000 /* LB config reg */
	#define CONFIG_SYS_LBC_LSRT 0x20000000 /* LB sdram refresh timer */
	#define CONFIG_SYS_LBC_MRTPR 0x00000000 /* LB refresh timer prescal*/

	/*
	* LSDMR masks
	*/
	#define CONFIG_SYS_LBC_LSDMR_RFEN (1 << (31 - 1))
	#define CONFIG_SYS_LBC_LSDMR_BSMA1516 (3 << (31 - 10))
	#define CONFIG_SYS_LBC_LSDMR_BSMA1617 (4 << (31 - 10))
	#define CONFIG_SYS_LBC_LSDMR_RFCR16 (7 << (31 - 16))
	#define CONFIG_SYS_LBC_LSDMR_PRETOACT7 (7 << (31 - 19))
	#define CONFIG_SYS_LBC_LSDMR_ACTTORW7 (7 << (31 - 22))
	#define CONFIG_SYS_LBC_LSDMR_ACTTORW6 (6 << (31 - 22))
	#define CONFIG_SYS_LBC_LSDMR_BL8 (1 << (31 - 23))
	#define CONFIG_SYS_LBC_LSDMR_WRC4 (0 << (31 - 27))
	#define CONFIG_SYS_LBC_LSDMR_CL3 (3 << (31 - 31))

	#define CONFIG_SYS_LBC_LSDMR_OP_NORMAL (0 << (31 - 4))
	#define CONFIG_SYS_LBC_LSDMR_OP_ARFRSH (1 << (31 - 4))
	#define CONFIG_SYS_LBC_LSDMR_OP_SRFRSH (2 << (31 - 4))
	#define CONFIG_SYS_LBC_LSDMR_OP_MRW (3 << (31 - 4))
	#define CONFIG_SYS_LBC_LSDMR_OP_PRECH (4 << (31 - 4))
	#define CONFIG_SYS_LBC_LSDMR_OP_PCHALL (5 << (31 - 4))
	#define CONFIG_SYS_LBC_LSDMR_OP_ACTBNK (6 << (31 - 4))
	#define CONFIG_SYS_LBC_LSDMR_OP_RWINV (7 << (31 - 4))

	/*
	* Common settings for all Local Bus SDRAM commands.
	* At run time, either BSMA1516 (for CPU 1.1)
	* or BSMA1617 (for CPU 1.0) (old)
	* is OR'ed in too.
	*/
	#define CONFIG_SYS_LBC_LSDMR_COMMON ( CONFIG_SYS_LBC_LSDMR_RFCR16 \
	\| CONFIG_SYS_LBC_LSDMR_PRETOACT7 \
	\| CONFIG_SYS_LBC_LSDMR_ACTTORW7 \
	\| CONFIG_SYS_LBC_LSDMR_BL8 \
	\| CONFIG_SYS_LBC_LSDMR_WRC4 \
	\| CONFIG_SYS_LBC_LSDMR_CL3 \
	\| CONFIG_SYS_LBC_LSDMR_RFEN \
	)

	/*
	* The CADMUS registers are connected to CS3 on CDS.
	* The new memory map places CADMUS at 0xf8000000.
	*
	* For BR3, need:
	* Base address of 0xf8000000 = BR[0:16] = 1111 1000 0000 0000 0
	* port-size = 8-bits = BR[19:20] = 01
	* no parity checking = BR[21:22] = 00
	* GPMC for MSEL = BR[24:26] = 000
	* Valid = BR[31] = 1
	*
	* 0 4 8 12 16 20 24 28
	* 1111 1000 0000 0000 0000 1000 0000 0001 = f8000801
	*
	* For OR3, need:
	* 1 MB mask for AM, OR[0:16] = 1111 1111 1111 0000 0
	* disable buffer ctrl OR[19] = 0
	* CSNT OR[20] = 1
	* ACS OR[21:22] = 11
	* XACS OR[23] = 1
	* SCY 15 wait states OR[24:27] = 1111 max is suboptimal but safe
	* SETA OR[28] = 0
	* TRLX OR[29] = 1
	* EHTR OR[30] = 1
	* EAD extra time OR[31] = 1
	*
	* 0 4 8 12 16 20 24 28
	* 1111 1111 1111 0000 0000 1111 1111 0111 = fff00ff7
	*/

	#define CONFIG_FSL_CADMUS

	#define CADMUS_BASE_ADDR 0xf8000000
	#define CONFIG_SYS_BR3_PRELIM 0xf8000801
	#define CONFIG_SYS_OR3_PRELIM 0xfff00ff7

	#define CONFIG_SYS_INIT_RAM_LOCK 1
	#define CONFIG_SYS_INIT_RAM_ADDR 0xe4010000 /* Initial RAM address */
	#define CONFIG_SYS_INIT_RAM_END 0x4000 /* 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 (128 * 1024) /* Reserved for malloc */

	/* Serial Port */
	#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_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

	/*
	* 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_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
	#define CONFIG_SYS_I2C_SLAVE 0x7F
	#define CONFIG_SYS_I2C_NOPROBES {0x69} /* Don't probe these addrs */
	#define CONFIG_SYS_I2C_OFFSET 0x3000

	/* EEPROM */
	#define CONFIG_ID_EEPROM
	#define CONFIG_SYS_I2C_EEPROM_CCID
	#define CONFIG_SYS_ID_EEPROM
	#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
	#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2

	/*
	* General PCI
	* Memory space is mapped 1-1, but I/O space must start from 0.
	*/
	#define CONFIG_SYS_PCI1_MEM_VIRT 0x80000000
	#define CONFIG_SYS_PCI1_MEM_BUS 0x80000000
	#define CONFIG_SYS_PCI1_MEM_PHYS 0x80000000
	#define CONFIG_SYS_PCI1_MEM_SIZE 0x20000000 /* 512M */
	#define CONFIG_SYS_PCI1_IO_VIRT 0xe2000000
	#define CONFIG_SYS_PCI1_IO_BUS 0x00000000
	#define CONFIG_SYS_PCI1_IO_PHYS 0xe2000000
	#define CONFIG_SYS_PCI1_IO_SIZE 0x100000 /* 1M */

	#define CONFIG_SYS_PCI2_MEM_VIRT 0xa0000000
	#define CONFIG_SYS_PCI2_MEM_BUS 0xa0000000
	#define CONFIG_SYS_PCI2_MEM_PHYS 0xa0000000
	#define CONFIG_SYS_PCI2_MEM_SIZE 0x20000000 /* 512M */
	#define CONFIG_SYS_PCI2_IO_VIRT 0xe2100000
	#define CONFIG_SYS_PCI2_IO_BUS 0x00000000
	#define CONFIG_SYS_PCI2_IO_PHYS 0xe2100000
	#define CONFIG_SYS_PCI2_IO_SIZE 0x100000 /* 1M */

	#ifdef CONFIG_LEGACY
	#define BRIDGE_ID 17
	#define VIA_ID 2
	#else
	#define BRIDGE_ID 28
	#define VIA_ID 4
	#endif

	#if defined(CONFIG_PCI)

	#define CONFIG_MPC85XX_PCI2
	#define CONFIG_NET_MULTI
	#define CONFIG_PCI_PNP /* do pci plug-and-play */

	#undef CONFIG_EEPRO100
	#undef CONFIG_TULIP

	#undef CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
	#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x1057 /* Motorola */

	#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_TSEC1 1
	#define CONFIG_TSEC1_NAME "TSEC0"
	#define CONFIG_TSEC2 1
	#define CONFIG_TSEC2_NAME "TSEC1"
	#define TSEC1_PHY_ADDR 0
	#define TSEC2_PHY_ADDR 1
	#define TSEC1_PHYIDX 0
	#define TSEC2_PHYIDX 0
	#define TSEC1_FLAGS TSEC_GIGABIT
	#define TSEC2_FLAGS TSEC_GIGABIT

	/* Options are: TSEC[0-1] */
	#define CONFIG_ETHPRIME "TSEC0"

	#endif /* CONFIG_TSEC_ENET */

	/*
	* Environment
	*/
	#define CONFIG_ENV_IS_IN_FLASH 1
	#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + 0x40000)
	#define CONFIG_ENV_SECT_SIZE 0x40000 /* 256K(one sector) for env */
	#define CONFIG_ENV_SIZE 0x2000

	#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
	#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */

	/*
	* BOOTP options
	*/
	#define CONFIG_BOOTP_BOOTFILESIZE
	#define CONFIG_BOOTP_BOOTPATH
	#define CONFIG_BOOTP_GATEWAY
	#define CONFIG_BOOTP_HOSTNAME


	/*
	* Command line configuration.
	*/
	#include <config_cmd_default.h>

	#define CONFIG_CMD_PING
	#define CONFIG_CMD_I2C
	#define CONFIG_CMD_MII
	#define CONFIG_CMD_ELF
	#define CONFIG_CMD_IRQ
	#define CONFIG_CMD_SETEXPR

	#if defined(CONFIG_PCI)
	#define CONFIG_CMD_PCI
	#endif


	#undef CONFIG_WATCHDOG /* watchdog disabled */

	/*
	* 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 8 MB of memory, since this is
	* the maximum mapped by the Linux kernel during initialization.
	*/
	#define CONFIG_SYS_BOOTMAPSZ (8 << 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
	*/

	/* The mac addresses for all ethernet interface */
	#if defined(CONFIG_TSEC_ENET)
	#define CONFIG_HAS_ETH0
	#define CONFIG_ETHADDR 00:E0:0C:00:00:FD
	#define CONFIG_HAS_ETH1
	#define CONFIG_ETH1ADDR 00:E0:0C:00:01:FD
	#define CONFIG_HAS_ETH2
	#define CONFIG_ETH2ADDR 00:E0:0C:00:02:FD
	#endif

	#define CONFIG_IPADDR 192.168.1.253

	#define CONFIG_HOSTNAME unknown
	#define CONFIG_ROOTPATH /nfsroot
	#define CONFIG_BOOTFILE your.uImage

	#define CONFIG_SERVERIP 192.168.1.1
	#define CONFIG_GATEWAYIP 192.168.1.1
	#define CONFIG_NETMASK 255.255.255.0

	#define CONFIG_LOADADDR 200000 /default location for tftp and bootm/

	#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" \
	"consoledev=ttyS1\0" \
	"ramdiskaddr=600000\0" \
	"ramdiskfile=your.ramdisk.u-boot\0" \
	"fdtaddr=400000\0" \
	"fdtfile=your.fdt.dtb\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_RAMBOOTCOMMAND \
	"setenv bootargs root=/dev/ram rw " \
	"console=$consoledev,$baudrate $othbootargs;" \
	"tftp $ramdiskaddr $ramdiskfile;" \
	"tftp $loadaddr $bootfile;" \
	"bootm $loadaddr $ramdiskaddr"

	#define CONFIG_BOOTCOMMAND CONFIG_NFSBOOTCOMMAND

	#endif /* __CONFIG_H */