ms7750se.h

uboot详细解读可用启动引导LINUX2.6内核

/*
 * Configuation settings for the Hitachi Solution Engine 7750
 *
 * Copyright (C) 2007 Nobuhiro Iwamatsu <[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 __MS7750SE_H
#define __MS7750SE_H

#define CONFIG_SH		1
#define CONFIG_SH4		1
#define CONFIG_CPU_SH7750	1
/* #define CONFIG_CPU_SH7751	1 */
/* #define CONFIG_CPU_TYPE_R	1 */
#define CONFIG_MS7750SE		1
#define __LITTLE_ENDIAN__	1

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

#define CONFIG_CMD_DFL
#define CONFIG_CMD_FLASH
#define CONFIG_CMD_ENV

#define CFG_SCIF_CONSOLE	1
#define CONFIG_BAUDRATE		38400
#define CONFIG_CONS_SCIF1	1
#define BOARD_LATE_INIT		1

#define CONFIG_BOOTDELAY	-1
#define CONFIG_BOOTARGS		"console=ttySC0,38400"
#define CONFIG_ENV_OVERWRITE	1

/* SDRAM */
#define CFG_SDRAM_BASE		(0x8C000000)
#define CFG_SDRAM_SIZE		(64 * 1024 * 1024)

#define CFG_LONGHELP
#define CFG_PROMPT		"=> "
#define CFG_CBSIZE		256
#define CFG_PBSIZE		256
#define CFG_MAXARGS		16
#define CFG_BARGSIZE		512
/* List of legal baudrate settings for this board */
#define CFG_BAUDRATE_TABLE	{ 115200, 57600, 38400, 19200, 9600 }

#define CFG_MEMTEST_START	(CFG_SDRAM_BASE)
#define CFG_MEMTEST_END		(TEXT_BASE - 0x100000)

/* NOR Flash */
/* #define CFG_FLASH_BASE		(0xA1000000)*/
#define CFG_FLASH_BASE		(0xA0000000)
#define CFG_MAX_FLASH_BANKS	(1)	/* Max number of
					 * Flash memory banks
					 */
#define CFG_MAX_FLASH_SECT	142
#define CFG_FLASH_BANKS_LIST	{ CFG_FLASH_BASE }

#define CFG_LOAD_ADDR		(CFG_SDRAM_BASE + 4 * 1024 * 1024)
#define CFG_MONITOR_BASE	(CFG_FLASH_BASE)	/* Address of u-boot image in Flash */
#define CFG_MONITOR_LEN		(128 * 1024)
#define CFG_MALLOC_LEN		(256 * 1024)		/* Size of DRAM reserved for malloc() use */

#define CFG_GBL_DATA_SIZE	(256)			/* size in bytes reserved for initial data */
#define CFG_BOOTMAPSZ		(8 * 1024 * 1024)
#define CFG_RX_ETH_BUFFER	(8)

#define CFG_FLASH_CFI
#define CFG_FLASH_CFI_DRIVER
#undef CFG_FLASH_CFI_BROKEN_TABLE
#undef  CFG_FLASH_QUIET_TEST
#define CFG_FLASH_EMPTY_INFO				/* print 'E' for empty sector on flinfo */


#define CFG_ENV_IS_IN_FLASH
#define CFG_ENV_SECT_SIZE	0x20000
#define CFG_ENV_SIZE		(CFG_ENV_SECT_SIZE)
#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + CFG_MONITOR_LEN)
#define CFG_FLASH_ERASE_TOUT	120000
#define CFG_FLASH_WRITE_TOUT	500

/* Board Clock */
#define CONFIG_SYS_CLK_FREQ	33333333
#define TMU_CLK_DIVIDER		4
#define CFG_HZ			(CONFIG_SYS_CLK_FREQ / TMU_CLK_DIVIDER)

#endif /* __MS7750SE_H */