ms7722se.h

uboot详细解读可用启动引导LINUX2.6内核

/*
 * Configuation settings for the Hitachi Solution Engine 7722
 *
 * 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 __MS7722SE_H
#define __MS7722SE_H

#define CONFIG_SH		1
#define CONFIG_SH4		1
#define CONFIG_CPU_SH7722	1
#define CONFIG_MS7722SE		1

#define CONFIG_CMD_FLASH
#define CONFIG_CMD_NET
#define CONFIG_CMD_PING
#define CONFIG_CMD_DFL
#define CONFIG_CMD_SDRAM
#define CONFIG_CMD_ENV

#define CONFIG_BAUDRATE		115200
#define CONFIG_BOOTDELAY	3
#define CONFIG_BOOTARGS		"console=ttySC0,115200 root=1f01"

#define CONFIG_VERSION_VARIABLE
#undef  CONFIG_SHOW_BOOT_PROGRESS

/* SMC9111 */
#define CONFIG_DRIVER_SMC91111
#define CONFIG_SMC91111_BASE    (0xB8000000)

/* MEMORY */
#define MS7722SE_SDRAM_BASE	(0x8C000000)
#define MS7722SE_FLASH_BASE_1	(0xA0000000)
#define MS7722SE_FLASH_BANK_SIZE	(8*1024 * 1024)

#define CFG_LONGHELP				/* undef to save memory	*/
#define CFG_PROMPT		"=> "		/* Monitor Command Prompt */
#define CFG_CBSIZE		256		/* Buffer size for input from the Console */
#define CFG_PBSIZE		256		/* Buffer size for Console output */
#define CFG_MAXARGS		16		/* max args accepted for monitor commands */
#define CFG_BARGSIZE		512		/* Buffer size for Boot Arguments passed to kernel */
#define CFG_BAUDRATE_TABLE	{ 115200 }	/* List of legal baudrate settings for this board */

/* SCIF */
#define CFG_SCIF_CONSOLE	1
#define CONFIG_CONS_SCIF0	1
#undef  CFG_CONSOLE_INFO_QUIET			/* Suppress display of console information at boot */
#undef  CFG_CONSOLE_OVERWRITE_ROUTINE
#undef  CFG_CONSOLE_ENV_OVERWRITE

#define CFG_MEMTEST_START	(MS7722SE_SDRAM_BASE)
#define CFG_MEMTEST_END		(CFG_MEMTEST_START + (60 * 1024 * 1024))

#undef  CFG_ALT_MEMTEST		/* Enable alternate, more extensive, memory test */
#undef  CFG_MEMTEST_SCRATCH	/* Scratch address used by the alternate memory test */

#undef  CFG_LOADS_BAUD_CHANGE	/* Enable temporary baudrate change while serial download */

#define CFG_SDRAM_BASE	(MS7722SE_SDRAM_BASE)
#define CFG_SDRAM_SIZE	(64 * 1024 * 1024)	/* maybe more, but if so u-boot doesn't know about it... */

#define CFG_LOAD_ADDR	(CFG_SDRAM_BASE + 4 * 1024 * 1024)	/* default load address for scripts ?!? */

#define CFG_MONITOR_BASE	(MS7722SE_FLASH_BASE_1)	/* Address of u-boot image
							in Flash (NOT run time address in SDRAM) ?!? */
#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)

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

#define CFG_FLASH_BASE		(MS7722SE_FLASH_BASE_1)	/* Physical start address of Flash memory */

#define CFG_MAX_FLASH_SECT	150		/* Max number of sectors on each
							Flash chip */

/* if you use all NOR Flash , you change dip-switch. Please see MS7722SE01 Manual. */
#define CFG_MAX_FLASH_BANKS	2
#define CFG_FLASH_BANKS_LIST	{ CFG_FLASH_BASE + (0 * MS7722SE_FLASH_BANK_SIZE), \
				  CFG_FLASH_BASE + (1 * MS7722SE_FLASH_BANK_SIZE), \
				}

#define CFG_FLASH_ERASE_TOUT	(3 * 1000)	/* Timeout for Flash erase operations (in ms) */
#define CFG_FLASH_WRITE_TOUT	(3 * 1000)	/* Timeout for Flash write operations (in ms) */
#define CFG_FLASH_LOCK_TOUT	(3 * 1000)	/* Timeout for Flash set sector lock bit operations (in ms) */
#define CFG_FLASH_UNLOCK_TOUT	(3 * 1000)	/* Timeout for Flash clear lock bit operations (in ms) */

#undef  CFG_FLASH_PROTECTION			/* Use hardware flash sectors protection instead of U-Boot software protection */

#undef  CFG_DIRECT_FLASH_TFTP

#define CFG_ENV_IS_IN_FLASH
#define CONFIG_ENV_OVERWRITE	1
#define CFG_ENV_SECT_SIZE	(8 * 1024)
#define CFG_ENV_SIZE		(CFG_ENV_SECT_SIZE)
#define CFG_ENV_ADDR		(CFG_FLASH_BASE + (1 * CFG_ENV_SECT_SIZE))
#define CFG_ENV_OFFSET		(CFG_ENV_ADDR - CFG_FLASH_BASE)	/* Offset of env Flash sector relative to CFG_FLASH_BASE */
#define CFG_ENV_SIZE_REDUND	(CFG_ENV_SECT_SIZE)
#define CFG_ENV_ADDR_REDUND	(CFG_FLASH_BASE + (2 * CFG_ENV_SECT_SIZE))

/* Board Clock */
#define CONFIG_SYS_CLK_FREQ	33333333
#define TMU_CLK_DIVIDER		(4)	/* 4 (default), 16, 64, 256 or 1024 */
#define CFG_HZ			(CONFIG_SYS_CLK_FREQ / TMU_CLK_DIVIDER)

#endif	/* __MS7722SE_H */