alpr.h

uboot详细解读可用启动引导LINUX2.6内核

/*
 * (C) Copyright 2006-2008
 * Stefan Roese, DENX Software Engineering, [e-mail].
 *
 * 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
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*-----------------------------------------------------------------------
 * High Level Configuration Options
 *----------------------------------------------------------------------*/
#define CONFIG_ALPR		1	    /* Board is ebony		*/
#define CONFIG_440GX		1	    /* Specifc GX support	*/
#define CONFIG_440		1	    /* ... PPC440 family	*/
#define CONFIG_4xx		1	    /* ... PPC4xx family	*/
#define CONFIG_BOARD_EARLY_INIT_F 1	    /* Call board_pre_init	*/
#define CONFIG_LAST_STAGE_INIT	1	    /* call last_stage_init()	*/
#define CONFIG_SYS_CLK_FREQ	33333333    /* external freq to pll	*/
#define CONFIG_4xx_DCACHE		/* Enable i- and d-cache	*/

/*-----------------------------------------------------------------------
 * Base addresses -- Note these are effective addresses where the
 * actual resources get mapped (not physical addresses)
 *----------------------------------------------------------------------*/
#define CFG_SDRAM_BASE		0x00000000	/* _must_ be 0			*/
#define CFG_FLASH_BASE		0xffe00000	/* start of FLASH		*/
#define CFG_MONITOR_BASE	0xfffc0000	/* start of monitor		*/
#define CFG_PCI_MEMBASE		0x80000000	/* mapped pci memory		*/
#define	CFG_PCI_MEMSIZE		0x40000000	/* size of mapped pci memory	*/
#define CFG_PERIPHERAL_BASE	0xe0000000	/* internal peripherals		*/
#define CFG_ISRAM_BASE		0xc0000000	/* internal SRAM		*/
#define CFG_PCI_BASE		0xd0000000	/* internal PCI regs		*/
#define CFG_PCI_MEMBASE1	CFG_PCI_MEMBASE  + 0x10000000
#define CFG_PCI_MEMBASE2	CFG_PCI_MEMBASE1 + 0x10000000
#define CFG_PCI_MEMBASE3	CFG_PCI_MEMBASE2 + 0x10000000


#define CFG_FPGA_BASE	    (CFG_PERIPHERAL_BASE + 0x08300000)
#define CFG_NVRAM_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x08000000)

/*-----------------------------------------------------------------------
 * Initial RAM & stack pointer (placed in internal SRAM)
 *----------------------------------------------------------------------*/
#define CFG_TEMP_STACK_OCM  1
#define CFG_OCM_DATA_ADDR   CFG_ISRAM_BASE
#define CFG_INIT_RAM_ADDR   CFG_ISRAM_BASE  /* Initial RAM address	*/
#define CFG_INIT_RAM_END    0x2000	    /* End of used area in RAM	*/
#define CFG_GBL_DATA_SIZE   128		    /* num bytes initial data	*/

#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_POST_WORD_ADDR	(CFG_GBL_DATA_OFFSET - 0x4)
#define CFG_INIT_SP_OFFSET	CFG_POST_WORD_ADDR

#define CFG_MONITOR_LEN	    (256 * 1024)    /* Reserve 256 kB for Mon	*/
#define CFG_MALLOC_LEN	    (128 * 1024)    /* Reserve 128 kB for malloc*/

/*-----------------------------------------------------------------------
 * Serial Port
 *----------------------------------------------------------------------*/
#undef	CFG_EXT_SERIAL_CLOCK
#define CONFIG_BAUDRATE		115200
#define	CONFIG_UART1_CONSOLE		/* define for uart1 as console	*/

#define CFG_BAUDRATE_TABLE  \
    {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}

/*-----------------------------------------------------------------------
 * FLASH related
 *----------------------------------------------------------------------*/
#define CFG_FLASH_CFI		1	/* The flash is CFI compatible		*/
#define CFG_FLASH_CFI_DRIVER	1	/* Use common CFI driver		*/
#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
#define CFG_MAX_FLASH_SECT	512	/* max number of sectors on one chip	*/
#define CFG_FLASH_USE_BUFFER_WRITE 1	/* use buffered writes (20x faster)	*/
#define CFG_FLASH_EMPTY_INFO		/* print 'E' for empty sector on flinfo */
#define CFG_FLASH_QUIET_TEST	1	/* don't warn upon unknown flash	*/

#define CFG_ENV_IS_IN_FLASH     1	/* use FLASH for environment vars	*/

#define CFG_ENV_SECT_SIZE	0x10000	/* size of one complete sector		*/
#define CFG_ENV_ADDR		(CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
#define	CFG_ENV_SIZE		0x2000	/* Total Size of Environment Sector	*/

/* Address and size of Redundant Environment Sector	*/
#define CFG_ENV_ADDR_REDUND	(CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
#define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)

/*-----------------------------------------------------------------------
 * DDR SDRAM
 *----------------------------------------------------------------------*/
#undef CONFIG_SPD_EEPROM		/* Don't use SPD EEPROM for setup	*/
#define CONFIG_SDRAM_BANK0	1	/* init onboard DDR SDRAM bank 0	*/
#undef CONFIG_SDRAM_ECC			/* enable ECC support			*/
#define CFG_SDRAM_TABLE	{ \
		{(256 << 20), 13, 0x000C4001}, /* 256MB mode 3, 13x10(4)*/ \
		{(64 << 20),  12, 0x00082001}} /* 64MB mode 2, 12x9(4)	*/

/*-----------------------------------------------------------------------
 * I2C
 *----------------------------------------------------------------------*/
#define CONFIG_HARD_I2C		1	/* I2C with hardware support	*/
#undef	CONFIG_SOFT_I2C			/* I2C bit-banged		*/
#define CFG_I2C_SPEED		100000	/* I2C speed and slave address	*/
#define CFG_I2C_SLAVE		0x7F
#define CFG_I2C_NOPROBES	{0x69}	/* Don't probe these addrs	*/

/*-----------------------------------------------------------------------
 * I2C EEPROM (PCF8594C)
 *----------------------------------------------------------------------*/
#define CFG_I2C_EEPROM_ADDR	0x54	/* EEPROM PCF8594C		*/
#define CFG_I2C_EEPROM_ADDR_LEN 1	/* Bytes of address		*/
/* mask of address bits that overflow into the "EEPROM chip address"	*/
#define CFG_I2C_EEPROM_ADDR_OVERFLOW	0x07
#define CFG_EEPROM_PAGE_WRITE_BITS 3	/* The Philips PCF8594C has	*/
					/* 8 byte page write mode using */
					/* last 3 bits of the address	*/
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	40   /* and takes up to 40 msec */
#define CFG_EEPROM_PAGE_WRITE_ENABLE

#define CONFIG_PREBOOT	"echo;"	\
	"echo Type \"run kernelx\" to boot the system;"			\
	"echo"

#undef	CONFIG_BOOTARGS

#define	CONFIG_EXTRA_ENV_SETTINGS					\
	"netdev=eth3\0"							\
	"hostname=alpr\0"						\
	"fdt_file=alpr/alpr.dtb\0"					\
	"fdt_addr=400000\0"						\
	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
		"nfsroot=${serverip}:${rootpath} ${init}\0"		\
	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
	"addip=setenv bootargs ${bootargs} "				\
		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
		":${hostname}:${netdev}:off panic=1\0"			\
	"addtty=setenv bootargs ${bootargs} console=ttyS1,${baudrate} " \
		"mem=193M\0"						\
	"flash_nfs=run nfsargs addip addtty;"				\
		"bootm ${kernel_addr}\0"				\
	"flash_self=run ramargs addip addtty;"				\
		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;"     \
	        "bootm\0"						\
	"net_nfs_fdt=tftp 200000 ${bootfile};"				\
		"tftp ${fdt_addr} ${fdt_file};"				\
		"run nfsargs addip addtty;"				\
		"bootm 200000 - ${fdt_addr}\0"				\
	"rootpath=/opt/projects/alpr/nfs_root\0"			\
	"bootfile=/alpr/uImage\0"					\
	"kernel_addr=fff00000\0"					\
	"ramdisk_addr=fff10000\0"					\
	"load=tftp 100000 /alpr/u-boot/u-boot.bin\0"			\
	"update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;"	\
		"cp.b 100000 fffc0000 40000;"			        \
		"setenv filesize;saveenv\0"				\
	"upd=run load update\0"						\
	"ethprime=ppc_4xx_eth3\0"					\
	"ethact=ppc_4xx_eth3\0"						\
	"autoload=no\0"							\
	"ipconfig=dhcp;setenv serverip 11.0.0.152\0"			\
	"load_fpga=fpga load 0 ffe00000 10dd9a\0"			\
	"mtdargs=setenv bootargs root=/dev/mtdblock6 rw "		\
		"rootfstype=jffs2 init=/sbin/init\0"			\
	"kernel1_mtd=nand read 200000 0 200000;run mtdargs addip addtty"\
		";bootm 200000\0"					\
	"kernel2_mtd=nand read 200000 200000 200000;run mtdargs addip "	\
		"addtty;bootm 200000\0"					\
	"kernel1=setenv actkernel 'kernel1';run load_fpga "		\
		"kernel1_mtd\0"						\
	"kernel2=setenv actkernel 'kernel2';run load_fpga "		\
		"kernel2_mtd\0"						\
	""

#define CONFIG_BOOTCOMMAND	"run kernel2"