lwmon.h

嵌入式试验箱S3C2410的bootloader源代码

/*
 * (C) Copyright 2001-2005
 * 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

/* External logbuffer support */
#define CONFIG_LOGBUFFER

/*
 * High Level Configuration Options
 * (easy to change)
 */

#define CONFIG_MPC823		1	/* This is a MPC823E CPU	*/
#define CONFIG_LWMON		1	/* ...on a LWMON board		*/

/* Default Ethernet MAC address */
#define CONFIG_ETHADDR          00:11:B0:00:00:00

/* The default Ethernet MAC address can be overwritten just once */
#ifdef CONFIG_ETHADDR
#define CONFIG_OVERWRITE_ETHADDR_ONCE   1
#endif

#define CONFIG_BOARD_EARLY_INIT_F 1	/* Call board_early_init_f	*/
#define CONFIG_BOARD_POSTCLK_INIT 1	/* Call board_postclk_init	*/

#define CONFIG_LCD		1	/* use LCD controller ...	*/
#define CONFIG_HLD1045		1	/* ... with a HLD1045 display	*/

#define CONFIG_LCD_LOGO		1	/* print our logo on the LCD	*/
#define CONFIG_LCD_INFO		1	/* ... and some board info	*/
#define	CONFIG_SPLASH_SCREEN		/* ... with splashscreen support*/

#define CONFIG_SERIAL_MULTI	1
#define CONFIG_8xx_CONS_SMC2	1	/* Console is on SMC2		*/
#define CONFIG_8xx_CONS_SCC2	1	/* Console is on SCC2		*/

#define CONFIG_BAUDRATE		115200	/* with watchdog >= 38400 needed */

#define CONFIG_BOOTDELAY	1	/* autoboot after 1 second	*/

#define	CONFIG_CLOCKS_IN_MHZ	1	/* clocks passsed to Linux in MHz */

/* pre-boot commands */
#define	CONFIG_PREBOOT		"setenv bootdelay 15"

#undef	CONFIG_BOOTARGS

/* POST support */
#define CONFIG_POST		(CFG_POST_CACHE	   | \
				 CFG_POST_WATCHDOG | \
				 CFG_POST_RTC	   | \
				 CFG_POST_MEMORY   | \
				 CFG_POST_CPU	   | \
				 CFG_POST_UART	   | \
				 CFG_POST_ETHER    | \
				 CFG_POST_I2C	   | \
				 CFG_POST_SPI	   | \
				 CFG_POST_USB	   | \
				 CFG_POST_SPR	   | \
				 CFG_POST_SYSMON)

/*
 * Keyboard commands:
 * # = 0x28 = ENTER :		enable bootmessages on LCD
 * 2 = 0x3A+0x3C = F1 + F3 :	enable update mode
 * 3 = 0x3C+0x3F = F3 + F6 :	enable test mode
 */

#define CONFIG_BOOTCOMMAND "autoscr 40040000;saveenv"

/*	"gatewayip=10.8.211.250\0"			                \ */
#define	CONFIG_EXTRA_ENV_SETTINGS					\
	"kernel_addr=40080000\0"					\
	"ramdisk_addr=40280000\0"					\
	"netmask=255.255.192.0\0"				        \
	"serverip=10.8.2.101\0"				                \
	"ipaddr=10.8.57.0\0"				                \
	"magic_keys=#23\0"						\
	"key_magic#=28\0"						\
	"key_cmd#=setenv addfb setenv 'bootargs $bootargs console=tty0'\0" \
	"key_magic2=3A+3C\0"						\
	"key_cmd2=echo *** Entering Update Mode ***;"			\
		"if fatload ide 0:3 10000 update.scr;"			\
			"then autoscr 10000;"				\
			"else echo *** UPDATE FAILED ***;"		\
		"fi\0"							\
	"key_magic3=3C+3F\0"						\
	"key_cmd3=echo *** Entering Test Mode ***;"			\
		"setenv add_misc 'setenv bootargs $bootargs testmode'\0" \
	"nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath\0" \
	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
	"addfb=setenv bootargs $bootargs console=ttyS1,$baudrate\0"	\
	"addip=setenv bootargs $bootargs "				\
		"ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname::off " \
		"panic=1\0"						\
	"add_wdt=setenv bootargs $bootargs $wdt_args\0"			\
	"add_misc=setenv bootargs $bootargs runmode\0"			\
	"flash_nfs=run nfsargs addip add_wdt addfb add_misc;"		\
		"bootm $kernel_addr\0"					\
	"flash_self=run ramargs addip add_wdt addfb add_misc;"		\
		"bootm $kernel_addr $ramdisk_addr\0"			\
	"net_nfs=tftp 100000 /tftpboot/uImage.lwmon;"			\
		"run nfsargs addip add_wdt addfb;bootm\0"		\
	"rootpath=/opt/eldk/ppc_8xx\0"					\
	"load=tftp 100000 /tftpboot/u-boot.bin\0"			\
	"update=protect off 1:0;era 1:0;cp.b 100000 40000000 $filesize\0" \
	"wdt_args=wdt_8xx=off\0"					\
	"verify=no"

#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
#undef	CFG_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/

#define	CONFIG_WATCHDOG		1	/* watchdog enabled		*/
#define	CFG_WATCHDOG_FREQ       (CFG_HZ / 20)

#undef	CONFIG_STATUS_LED		/* Status LED disabled		*/

/* enable I2C and select the hardware/software driver */
#undef	CONFIG_HARD_I2C			/* I2C with hardware support	*/
#define	CONFIG_SOFT_I2C         1	/* I2C bit-banged		*/

#define CFG_I2C_SPEED		93000	/* 93 kHz is supposed to work	*/
#define CFG_I2C_SLAVE		0xFE

#ifdef CONFIG_SOFT_I2C
/*
 * Software (bit-bang) I2C driver configuration
 */
#define PB_SCL		0x00000020	/* PB 26 */
#define PB_SDA		0x00000010	/* PB 27 */

#define I2C_INIT	(immr->im_cpm.cp_pbdir |=  PB_SCL)
#define I2C_ACTIVE	(immr->im_cpm.cp_pbdir |=  PB_SDA)
#define I2C_TRISTATE	(immr->im_cpm.cp_pbdir &= ~PB_SDA)
#define I2C_READ	((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
#define I2C_SDA(bit)	if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
			else    immr->im_cpm.cp_pbdat &= ~PB_SDA
#define I2C_SCL(bit)	if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
			else    immr->im_cpm.cp_pbdat &= ~PB_SCL
#define I2C_DELAY	udelay(2)	/* 1/4 I2C clock duration */
#endif	/* CONFIG_SOFT_I2C */


#define CONFIG_RTC_PCF8563		/* use Philips PCF8563 RTC	*/

#ifdef CONFIG_POST
#define CFG_CMD_POST_DIAG CFG_CMD_DIAG
#else
#define CFG_CMD_POST_DIAG 0
#endif

#define CONFIG_COMMANDS	      ( CONFIG_CMD_DFL	| \
				CFG_CMD_ASKENV	| \
				CFG_CMD_BMP	| \
				CFG_CMD_BSP	| \
				CFG_CMD_DATE	| \
				CFG_CMD_DHCP	| \
				CFG_CMD_EEPROM	| \
				CFG_CMD_FAT	| \
				CFG_CMD_I2C	| \
				CFG_CMD_IDE	| \
				CFG_CMD_NFS	| \
				CFG_CMD_POST_DIAG | \
				CFG_CMD_SNTP	)
#define CONFIG_MAC_PARTITION
#define CONFIG_DOS_PARTITION

#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)

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

/*----------------------------------------------------------------------*/

/*
 * 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	*/
#ifdef	CFG_HUSH_PARSER
#define	CFG_PROMPT_HUSH_PS2	"> "
#endif

#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	0x00100000	/* memtest works on	*/
#define CFG_MEMTEST_END		0x00F00000	/* 1 ... 15MB in DRAM	*/

#define CFG_LOAD_ADDR		0x00100000	/* default load address */

#define CFG_PIO_MODE		0	/* IDE interface in PIO Mode 0	*/

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

/*
 * When the watchdog is enabled, output must be fast enough in Linux.
 */
#ifdef CONFIG_WATCHDOG
#define CFG_BAUDRATE_TABLE	{		38400, 57600, 115200 }
#else
#define CFG_BAUDRATE_TABLE	{  9600, 19200, 38400, 57600, 115200 }
#endif

/*----------------------------------------------------------------------*/
#define CONFIG_MODEM_SUPPORT	1	/* enable modem initialization stuff */
#undef CONFIG_MODEM_SUPPORT_DEBUG

#define	CONFIG_MODEM_KEY_MAGIC	"3C+3D"	/* press F3 + F4 keys to enable modem */
#define	CONFIG_POST_KEY_MAGIC	"3C+3E"	/* press F3 + F5 keys to force POST */
#if 0
#define	CONFIG_AUTOBOOT_KEYED		/* Enable "password" protection	*/
#define CONFIG_AUTOBOOT_PROMPT	"\nEnter password - autoboot in %d sec...\n"
#define CONFIG_AUTOBOOT_DELAY_STR	"  "	/* "password"	*/
#endif
/*----------------------------------------------------------------------*/

/*
 * 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		0xFFF00000

/*-----------------------------------------------------------------------
 * 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	68  /* 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		0x40000000
#if defined(DEBUG) || (CONFIG_COMMANDS & CFG_CMD_IDE)
#define CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
#else
#define CFG_MONITOR_LEN		(128 << 10)	/* Reserve 128 kB for Monitor	*/
#endif
#define CFG_MONITOR_BASE	CFG_FLASH_BASE
#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
 * the maximum mapped by the Linux kernel during initialization.
 */
#define CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
 * FLASH organization
 */
#define CFG_MAX_FLASH_BANKS	2	/* max number of memory banks		*/
#define CFG_MAX_FLASH_SECT	128	/* max number of sectors on one chip	*/

#define CFG_FLASH_ERASE_TOUT	180000	/* Timeout for Flash Erase (in ms)	*/
#define CFG_FLASH_WRITE_TOUT	600	/* Timeout for Flash Write (in ms)	*/
#define CFG_FLASH_USE_BUFFER_WRITE
#define CFG_FLASH_BUFFER_WRITE_TOUT	2048	/* Timeout for Flash Buffer Write (in ms)	*/
/* Buffer size.
   We have two flash devices connected in parallel.
   Each device incorporates a Write Buffer of 32 bytes.
 */
#define CFG_FLASH_BUFFER_SIZE	(2*32)