spieval.h

linux下的BOOT程序原码,有需要的可以来下,保证好用

/*
 * (C) Copyright 2003-2005
 * Wolfgang Denk, DENX Software Engineering, [e-mail].
 *
 * (C) Copyright 2004-2005
 * Martin Krause, TQ-Systems GmbH, [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
 * (easy to change)
 */

#define CONFIG_MPC5xxx		1	/* This is an MPC5xxx CPU */
#define CONFIG_MPC5200		1	/* (more precisely an MPC5200 CPU) */
#define CONFIG_TQM5200		1	/* ... on TQM5200 module */
#undef CONFIG_TQM5200_REV100		/*  define for revision 100 modules */
#define CONFIG_STK52XX		1	/* ... on a STK52XX base board */
#define CONFIG_STK52XX_REV100	1	/*  define for revision 100 baseboards */

#define CFG_MPC5XXX_CLKIN	33000000 /* ... running at 33.000000MHz */

#define BOOTFLAG_COLD		0x01	/* Normal Power-On: Boot from FLASH  */
#define BOOTFLAG_WARM		0x02	/* Software reboot	     */

#define CFG_CACHELINE_SIZE	32	/* For MPC5xxx CPUs */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#  define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value */
#endif

/*
 * Serial console configuration
 */
#define CONFIG_PSC_CONSOLE	6	/* console is on PSC6 */
#define CONFIG_BAUDRATE		115200	/* ... at 115200 bps */
#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }

#ifdef CONFIG_STK52XX
#undef CONFIG_PS2KBD			/* AT-PS/2 Keyboard		*/
#define CONFIG_PS2MULT			/* .. on PS/2 Multiplexer	*/
#define CONFIG_PS2SERIAL	6	/* .. on PSC6			*/
#define CONFIG_PS2MULT_DELAY	(CFG_HZ/2)	/* Initial delay	*/
#define CONFIG_BOARD_EARLY_INIT_R
#endif /* CONFIG_STK52XX */

/*
 * PCI Mapping:
 * 0x40000000 - 0x4fffffff - PCI Memory
 * 0x50000000 - 0x50ffffff - PCI IO Space
 */
#ifdef CONFIG_STK52XX
#define CONFIG_PCI		1
#define CONFIG_PCI_PNP		1
/* #define CONFIG_PCI_SCAN_SHOW	1 */

#define CONFIG_PCI_MEM_BUS	0x40000000
#define CONFIG_PCI_MEM_PHYS	CONFIG_PCI_MEM_BUS
#define CONFIG_PCI_MEM_SIZE	0x10000000

#define CONFIG_PCI_IO_BUS	0x50000000
#define CONFIG_PCI_IO_PHYS	CONFIG_PCI_IO_BUS
#define CONFIG_PCI_IO_SIZE	0x01000000

#define CONFIG_NET_MULTI	1
#define CONFIG_EEPRO100		1
#define CFG_RX_ETH_BUFFER	8  /* use 8 rx buffer on eepro100  */
#define CONFIG_NS8382X		1
#endif	/* CONFIG_STK52XX */

#ifdef CONFIG_PCI
#define ADD_PCI_CMD		CFG_CMD_PCI
#else
#define ADD_PCI_CMD		0
#endif

/*
 * Video console
 */
#if 1
#define CONFIG_VIDEO
#define CONFIG_VIDEO_SM501
#define CONFIG_VIDEO_SM501_32BPP
#define CONFIG_CFB_CONSOLE
#define CONFIG_VIDEO_LOGO
#define CONFIG_VGA_AS_SINGLE_DEVICE
#define CONFIG_CONSOLE_EXTRA_INFO
#define CONFIG_VIDEO_SW_CURSOR
#define CONFIG_SPLASH_SCREEN
#define CFG_CONSOLE_IS_IN_ENV
#endif

#ifdef CONFIG_VIDEO
#define ADD_BMP_CMD		CFG_CMD_BMP
#else
#define ADD_BMP_CMD		0
#endif

/* Partitions */
#define CONFIG_MAC_PARTITION
#define CONFIG_DOS_PARTITION
#define CONFIG_ISO_PARTITION

/* USB */
#ifdef CONFIG_STK52XX
#define CONFIG_USB_OHCI
#define ADD_USB_CMD		CFG_CMD_USB | CFG_CMD_FAT
#define CONFIG_USB_STORAGE
#else
#define ADD_USB_CMD		0
#endif

/* POST support */
#define CONFIG_POST		(CFG_POST_MEMORY   | \
				 CFG_POST_CPU	   | \
				 CFG_POST_I2C)

#ifdef CONFIG_POST
#define CFG_CMD_POST_DIAG CFG_CMD_DIAG
/* preserve space for the post_word at end of on-chip SRAM */
#define MPC5XXX_SRAM_POST_SIZE MPC5XXX_SRAM_SIZE-4
#else
#define CFG_CMD_POST_DIAG 0
#endif

/* IDE */
#if defined (CONFIG_MINIFAP) || defined (CONFIG_STK52XX)
#define ADD_IDE_CMD		(CFG_CMD_IDE | CFG_CMD_FAT | CFG_CMD_EXT2)
#else
#define ADD_IDE_CMD		0
#endif

/*
 * Supported commands
 */
#define CONFIG_COMMANDS	       (CONFIG_CMD_DFL	| \
				ADD_BMP_CMD	| \
				ADD_IDE_CMD	| \
				ADD_PCI_CMD	| \
				ADD_USB_CMD	| \
				CFG_CMD_ASKENV	| \
				CFG_CMD_DATE	| \
				CFG_CMD_DHCP	| \
				CFG_CMD_ECHO	| \
				CFG_CMD_EEPROM	| \
				CFG_CMD_I2C	| \
				CFG_CMD_MII	| \
				CFG_CMD_NFS	| \
				CFG_CMD_PING	| \
				CFG_CMD_POST_DIAG | \
				CFG_CMD_REGINFO | \
				CFG_CMD_SNTP	)

/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>

#define	CONFIG_TIMESTAMP		/* display image timestamps */

#if (TEXT_BASE == 0xFC000000)		/* Boot low */
#   define CFG_LOWBOOT		1
#endif

/*
 * Autobooting
 */
#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds */

#define CONFIG_PREBOOT	"echo;" \
	"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
	"echo"

#undef	CONFIG_BOOTARGS

#if defined (CONFIG_TQM5200_AA)
# define CONFIG_U_BOOT_SUFFIX	"-AA\0"
#elif defined (CONFIG_TQM5200_AB)
# define CONFIG_U_BOOT_SUFFIX	"-AB\0"
#elif defined (CONFIG_TQM5200_AC)
# define CONFIG_U_BOOT_SUFFIX	"-AC\0"
#else
# define CONFIG_U_BOOT_SUFFIX	"\0"
#endif

#define CONFIG_EXTRA_ENV_SETTINGS					\
	"netdev=eth0\0"							\
	"rootpath=/opt/eldk/ppc_6xx\0"					\
	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
		"nfsroot=${serverip}:${rootpath}\0"			\
	"addip=setenv bootargs ${bootargs} "				\
		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
		":${hostname}:${netdev}:off panic=1\0"			\
	"flash_self=run ramargs addip;"					\
		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
	"flash_nfs=run nfsargs addip;"					\
		"bootm ${kernel_addr}\0"				\
	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0"	\
	"bootfile=/tftpboot/tqm5200/uImage\0"				\
	"load=tftp 200000 ${u-boot}\0"					\
	"u-boot=/tftpboot/tqm5200/u-boot.bin"	CONFIG_U_BOOT_SUFFIX	\
	"update=protect off FC000000 FC05FFFF;"				\
		"erase FC000000 FC05FFFF;"				\
		"cp.b 200000 FC000000 ${filesize};"			\
		"protect on FC000000 FC05FFFF\0"			\
	""

#define CONFIG_BOOTCOMMAND	"run net_nfs"

/*
 * IPB Bus clocking configuration.
 */
#define CFG_IPBSPEED_133		/* define for 133MHz speed */

#if defined(CFG_IPBSPEED_133)
/*
 * PCI Bus clocking configuration
 *
 * Actually a PCI Clock of 66 MHz is only set (in cpu_init.c) if
 * CFG_IPBSPEED_133 is defined. This is because a PCI Clock of 66 MHz yet hasn't
 * been tested with a IPB Bus Clock of 66 MHz.
 */
#define CFG_PCISPEED_66			/* define for 66MHz speed */
#endif

/*
 * I2C configuration
 */
#define CONFIG_HARD_I2C		1	/* I2C with hardware support */
#ifdef CONFIG_TQM5200_REV100
#define CFG_I2C_MODULE		1	/* Select I2C module #1 for rev. 100 board */
#else
#define CFG_I2C_MODULE		2	/* Select I2C module #2 for all other revs */
#endif

/*
 * I2C clock frequency
 *
 * Please notice, that the resulting clock frequency could differ from the
 * configured value. This is because the I2C clock is derived from system
 * clock over a frequency divider with only a few divider values. U-boot
 * calculates the best approximation for CFG_I2C_SPEED. However the calculated
 * approximation allways lies below the configured value, never above.
 */
#define CFG_I2C_SPEED		100000 /* 100 kHz */
#define CFG_I2C_SLAVE		0x7F

/*
 * EEPROM configuration for onboard EEPROM M24C32 (M24C64 should work
 * also). For other EEPROMs configuration should be verified. On Mini-FAP the
 * EEPROM (24C64) is on the same I2C address (but on other I2C bus), so the
 * same configuration could be used.
 */
#define CFG_I2C_EEPROM_ADDR		0x50	/* 1010000x */
#define CFG_I2C_EEPROM_ADDR_LEN		2
#define CFG_EEPROM_PAGE_WRITE_BITS	5	/* =32 Bytes per write */