qs823.h

u-boot-1.1.6 源码包

/*
 * (C) Copyright 2003
 * MuLogic B.V.
 *
 * (C) Copyright 2002
 * Simple Network Magic Corporation
 *
 * (C) Copyright 2000
 * Wolfgang Denk, 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
 */

/*
 * board/config.h - configuration options, board specific
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/* various debug settings */
#undef CFG_DEVICE_NULLDEV		/* null device */
#undef CONFIG_SILENT_CONSOLE		/* silent console */
#undef CFG_CONSOLE_INFO_QUIET		/* silent console ? */
#undef DEBUG				/* debug output code */
#undef DEBUG_FLASH			/* debug flash code */
#undef FLASH_DEBUG			/* debug fash code */
#undef DEBUG_ENV			/* debug environment code */

#define CFG_DIRECT_FLASH_TFTP	1	/* allow direct tftp to flash */
#define CONFIG_ENV_OVERWRITE	1	/* allow overwrite MAC address */

/*
 * High Level Configuration Options
 * (easy to change)
 */
#define CONFIG_MPC823		1	/* This is a MPC823 CPU */
#define CONFIG_QS823		1	/* ...on a QS823 module */
#define CONFIG_SCC2_ENET	1	/* SCC2 10BaseT ethernet */

/* Select the target clock speed */
#undef CONFIG_CLOCK_16MHZ		/* cpu=16,777,216 Hz, mem=16Mhz */
#undef CONFIG_CLOCK_33MHZ		/* cpu=33,554,432 Hz, mem=33Mhz */
#undef CONFIG_CLOCK_50MHZ		/* cpu=49,971,200 Hz, mem=33Mhz */
#define CONFIG_CLOCK_66MHZ	1	/* cpu=67,108,864 Hz, mem=66Mhz */
#undef CONFIG_CLOCK_80MHZ		/* cpu=79,986,688 Hz, mem=33Mhz */

#ifdef CONFIG_CLOCK_16MHZ
#define CONFIG_CLOCK_MULT	512
#endif

#ifdef CONFIG_CLOCK_33MHZ
#define CONFIG_CLOCK_MULT	1024
#endif

#ifdef CONFIG_CLOCK_50MHZ
#define CONFIG_CLOCK_MULT	1525
#endif

#ifdef CONFIG_CLOCK_66MHZ
#define CONFIG_CLOCK_MULT	2048
#endif

#ifdef CONFIG_CLOCK_80MHZ
#define CONFIG_CLOCK_MULT	2441
#endif

/* choose flash size, 4Mb or 8Mb */
#define CONFIG_FLASH_4MB	1	/* board has 4Mb flash */
#undef CONFIG_FLASH_8MB			/* board has 8Mb flash */

#define CONFIG_CLOCK_BASE	32768	/* Base clock input freq */

#undef CONFIG_8xx_CONS_SMC1
#define CONFIG_8xx_CONS_SMC2	1	/* Console is on SMC2 */
#undef CONFIG_8xx_CONS_NONE

#define CONFIG_BAUDRATE		38400	/* console baudrate = 38.4kbps */

#undef CONFIG_CLOCKS_IN_MHZ		/* clocks passsed to Linux in MHz */

/* Define default IP addresses */
#define CONFIG_IPADDR		192.168.1.99	/* own ip address */
#define CONFIG_SERVERIP		192.168.1.19	/* used for tftp (not nfs?) */

/* message to say directly after booting */
#define CONFIG_PREBOOT		"echo '';" \
	"echo 'type:';" \
	"echo 'run boot_nfs       to boot to NFS';" \
	"echo 'run boot_flash     to boot to flash';" \
	"echo '';" \
	"echo 'run flash_rootfs   to install a new rootfs';" \
	"echo 'run flash_env      to clear the env sector';" \
	"echo 'run flash_rw       to clear the rw fs';" \
	"echo 'run flash_uboot    to install a new u-boot';" \
	"echo 'run flash_kernel   to install a new kernel';"

/* wait 5 seconds before executing CONFIG_BOOTCOMMAND */
#define CONFIG_BOOTDELAY	5
#define CONFIG_BOOTCOMMAND	"run boot_nfs"

#undef CONFIG_BOOTARGS		/* made by set_nfs of set_flash */

/* Our flash filesystem looks like this
 *
 * 4Mb board:
 * ffc0 0000 - ffeb ffff	root filesystem (jffs2) (~3Mb)
 * ffec 0000 - ffed ffff	read-write filesystem (ext2)
 * ffee 0000 - ffef ffff	environment
 * fff0 0000 - fff1 ffff	u-boot
 * fff2 0000 - ffff ffff	linux kernel
 *
 * 8Mb board:
 * ff80 0000 - ffeb ffff	root filesystem (jffs2) (~7Mb)
 * ffec 0000 - ffed ffff	read-write filesystem (ext2)
 * ffee 0000 - ffef ffff	environment
 * fff0 0000 - fff1 ffff	u-boot
 * fff2 0000 - ffff ffff	linux kernel
 *
 */

/* environment for 4Mb board */
#ifdef CONFIG_FLASH_4MB
#define CONFIG_EXTRA_ENV_SETTINGS \
	"serial#=QS823\0" \
	"hostname=qs823\0" \
	"netdev=eth0\0" \
	"ethaddr=00:01:02:B4:36:56\0" \
	"rootpath=/exports/rootfs\0" \
	"mtdparts=mtdparts=phys:2816k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
	/* fill in variables */ \
	"set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
	"set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
	"set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
	/* commands */ \
	"boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
	"boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
	/* reinstall flash parts */ \
	"flash_rootfs=protect off ffc00000 ffebffff; era ffc00000 ffebffff; tftp ffc00000 /tftpboot/rootfs.jffs2\0" \
	"flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
	"flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
	"flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.4mb.bin\0" \
	"flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
#endif /* CONFIG_FLASH_4MB */

/* environment for 8Mb board */
#ifdef CONFIG_FLASH_8MB
#define CONFIG_EXTRA_ENV_SETTINGS \
	"serial#=QS823\0" \
	"hostname=qs823\0" \
	"netdev=eth0\0" \
	"ethaddr=00:01:02:B4:36:56\0" \
	"rootpath=/exports/rootfs\0" \
	"mtdparts=mtdparts=phys:6912k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
	/* fill in variables */ \
	"set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
	"set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
	"set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
	/* commands */ \
	"boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
	"boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
	/* reinstall flash parts */ \
	"flash_rootfs=protect off ff800000 ffebffff; era ff800000 ffebffff; tftp ff800000 /tftpboot/rootfs.jffs2\0" \
	"flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
	"flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
	"flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.8mb.bin\0" \
	"flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
#endif /* CONFIG_FLASH_8MB */

#define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
#undef CFG_LOADS_BAUD_CHANGE		/* don't allow baudrate change */
#undef CONFIG_WATCHDOG			/* watchdog disabled */
#undef CONFIG_STATUS_LED		/* Status LED disabled */
#undef CONFIG_CAN_DRIVER		/* CAN Driver support disabled */

#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)

#undef CONFIG_MAC_PARTITION
#undef CONFIG_DOS_PARTITION

#define CONFIG_RTC_MPC8xx	/* use internal RTC of MPC8xx */

#define CONFIG_COMMANDS		(CFG_CMD_BDI	| \
	CFG_CMD_BOOTD	| \
	CFG_CMD_CONSOLE	| \
	CFG_CMD_DATE	| \
	CFG_CMD_ENV	| \
	CFG_CMD_FLASH	| \
	CFG_CMD_IMI	| \
	CFG_CMD_IMMAP	| \
	CFG_CMD_MEMORY	| \
	CFG_CMD_NET	| \
	CFG_CMD_RUN)

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

/*-----------------------------------------------------------------------
 * Environment variable storage is in FLASH, one sector before U-boot
 */
#define CFG_ENV_IS_IN_FLASH	1
#define CFG_ENV_SECT_SIZE	0x20000		/* 128Kb, one whole sector */
#define CFG_ENV_SIZE		0x2000		/* 8kb */
#define CFG_ENV_ADDR		0xffee0000	/* address of env sector */

/*-----------------------------------------------------------------------
 * Miscellaneous configurable options
 */
#define CFG_LONGHELP				/* undef to save memory */
#define CFG_PROMPT		"=> "		/* Monitor Command Prompt */

#define CFG_HUSH_PARSER		1		/* use "hush" command parser */
#define CFG_PROMPT_HUSH_PS2	"> "

#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CBSIZE		1024		/* Console I/O Buffer Size */
#else
#define CFG_CBSIZE		256		/* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE		(CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS		16		/* max number of command args */
#define CFG_BARGSIZE		CFG_CBSIZE	/* Boot Argument Buffer Size */

#define CFG_MEMTEST_START	0x0400000	/* memtest works */
#define CFG_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM */

#define CFG_LOAD_ADDR		0x400000	/* default load address */

#define CFG_HZ			1000		/* decrementer freq: 1 ms ticks */

#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }

/*-----------------------------------------------------------------------
 * Low Level Configuration Settings
 * (address mappings, register initial values, etc.)
 * You should know what you are doing if you make changes here.
 */

/*-----------------------------------------------------------------------
 * Internal Memory Mapped Register
 */
#define CFG_IMMR		0xFF000000

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in DPRAM)
 */
#define CFG_INIT_RAM_ADDR	CFG_IMMR
#define CFG_INIT_RAM_END	0x2F00		/* End of used area in DPRAM */
#define CFG_GBL_DATA_SIZE	64		/* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET

/*-----------------------------------------------------------------------
 * Start addresses for the final memory configuration
 * (Set up by the startup code)
 * Please note that CFG_SDRAM_BASE _must_ start at 0
 */
#define CFG_SDRAM_BASE		0x00000000
#define CFG_FLASH_BASE		0xFF800000	/* Allow an 8Mbyte window */

#define FLASH_BASE0_4M_PRELIM	0xFFC00000	/* Base for 4M Flash */
#define FLASH_BASE0_8M_PRELIM	0xFF800000	/* Base for 8M Flash */

#define CFG_MONITOR_LEN		(192 << 10)	/* Reserve 192 kB for Monitor */
#define CFG_MONITOR_BASE	0xFFF00000	/* U-boot location */
#define CFG_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc() */

/*
 * For booting Linux, the board info and command line data
 * have to be in the first 8 MB of memory, since this is