m5272c3.h

U-boot源码 ARM7启动代码

/*
 * Configuation settings for the Motorola MC5272C3 board.
 *
 * (C) Copyright 2003 Josef Baumgartner <[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 _M5272C3_H
#define _M5272C3_H

/*
 * High Level Configuration Options
 * (easy to change)
 */
#define CONFIG_MCF52x2		/* define processor family */
#define CONFIG_M5272		/* define processor type */

#define CONFIG_MCFTMR

#define CONFIG_MCFUART
#define CFG_UART_PORT		(0)
#define CONFIG_BAUDRATE		19200
#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }

#undef CONFIG_WATCHDOG
#define CONFIG_WATCHDOG_TIMEOUT 10000	/* timeout in milliseconds */

#undef CONFIG_MONITOR_IS_IN_RAM	/* define if monitor is started from a pre-loader */

/* Configuration for environment
 * Environment is embedded in u-boot in the second sector of the flash
 */
#ifndef CONFIG_MONITOR_IS_IN_RAM
#define CFG_ENV_OFFSET		0x4000
#define CFG_ENV_SECT_SIZE	0x2000
#define CFG_ENV_IS_IN_FLASH	1
#define CFG_ENV_IS_EMBEDDED	1
#else
#define CFG_ENV_ADDR		0xffe04000
#define CFG_ENV_SECT_SIZE	0x2000
#define CFG_ENV_IS_IN_FLASH	1
#endif

/*
 * BOOTP options
 */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME

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

#define CONFIG_CMD_MII
#define CONFIG_CMD_NET
#define CONFIG_CMD_PING
#define CONFIG_CMD_MISC
#define CONFIG_CMD_ELF
#define CONFIG_CMD_FLASH
#define CONFIG_CMD_MEMORY

#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_LOADB

#define CONFIG_BOOTDELAY	5
#define CONFIG_MCFFEC
#ifdef CONFIG_MCFFEC
#	define CONFIG_NET_MULTI		1
#	define CONFIG_MII		1
#	define CFG_DISCOVER_PHY
#	define CFG_RX_ETH_BUFFER	8
#	define CFG_FAULT_ECHO_LINK_DOWN

#	define CFG_FEC0_PINMUX		0
#	define CFG_FEC0_MIIBASE		CFG_FEC0_IOBASE
#	define MCFFEC_TOUT_LOOP 	50000
/* If CFG_DISCOVER_PHY is not defined - hardcoded */
#	ifndef CFG_DISCOVER_PHY
#		define FECDUPLEX	FULL
#		define FECSPEED		_100BASET
#	else
#		ifndef CFG_FAULT_ECHO_LINK_DOWN
#			define CFG_FAULT_ECHO_LINK_DOWN
#		endif
#	endif			/* CFG_DISCOVER_PHY */
#endif

#ifdef CONFIG_MCFFEC
#	define CONFIG_ETHADDR	00:e0:0c:bc:e5:60
#	define CONFIG_IPADDR	192.162.1.2
#	define CONFIG_NETMASK	255.255.255.0
#	define CONFIG_SERVERIP	192.162.1.1
#	define CONFIG_GATEWAYIP	192.162.1.1
#	define CONFIG_OVERWRITE_ETHADDR_ONCE
#endif				/* CONFIG_MCFFEC */

#define CONFIG_HOSTNAME		M5272C3
#define CONFIG_EXTRA_ENV_SETTINGS		\
	"netdev=eth0\0"				\
	"loadaddr=10000\0"			\
	"u-boot=u-boot.bin\0"			\
	"load=tftp ${loadaddr) ${u-boot}\0"	\
	"upd=run load; run prog\0"		\
	"prog=prot off ffe00000 ffe3ffff;"	\
	"era ffe00000 ffe3ffff;"		\
	"cp.b ${loadaddr} ffe00000 ${filesize};"\
	"save\0"				\
	""

#define CFG_PROMPT		"-> "
#define CFG_LONGHELP		/* undef to save memory */

#if defined(CONFIG_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_LOAD_ADDR		0x20000
#define CFG_MEMTEST_START	0x400
#define CFG_MEMTEST_END		0x380000
#define CFG_HZ			1000
#define CFG_CLK			66000000

/*
 * Low Level Configuration Settings
 * (address mappings, register initial values, etc.)
 * You should know what you are doing if you make changes here.
 */
#define CFG_MBAR		0x10000000	/* Register Base Addrs */
#define CFG_SCR			0x0003;
#define CFG_SPR			0xffff;

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in DPRAM)
 */
#define CFG_INIT_RAM_ADDR	0x20000000
#define CFG_INIT_RAM_END	0x1000	/* End of used area in internal SRAM    */
#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_SDRAM_SIZE		4	/* SDRAM size in MB */
#define CFG_FLASH_BASE		0xffe00000

#ifdef	CONFIG_MONITOR_IS_IN_RAM
#define CFG_MONITOR_BASE	0x20000
#else
#define CFG_MONITOR_BASE	(CFG_FLASH_BASE + 0x400)
#endif

#define CFG_MONITOR_LEN		0x20000
#define CFG_MALLOC_LEN		(256 << 10)
#define CFG_BOOTPARAMS_LEN	64*1024

/*
 * 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		(CFG_SDRAM_BASE + (CFG_SDRAM_SIZE << 20))

/*-----------------------------------------------------------------------
 * FLASH organization
 */
#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks           */
#define CFG_MAX_FLASH_SECT	11	/* max number of sectors on one chip    */
#define CFG_FLASH_ERASE_TOUT	1000

/*-----------------------------------------------------------------------
 * Cache Configuration
 */
#define CFG_CACHELINE_SIZE	16

/*-----------------------------------------------------------------------
 * Memory bank definitions
 */
#define CFG_BR0_PRELIM		0xFFE00201
#define CFG_OR0_PRELIM		0xFFE00014
#define CFG_BR1_PRELIM		0
#define CFG_OR1_PRELIM		0
#define CFG_BR2_PRELIM		0x30000001
#define CFG_OR2_PRELIM		0xFFF80000
#define CFG_BR3_PRELIM		0
#define CFG_OR3_PRELIM		0
#define CFG_BR4_PRELIM		0
#define CFG_OR4_PRELIM		0
#define CFG_BR5_PRELIM		0
#define CFG_OR5_PRELIM		0
#define CFG_BR6_PRELIM		0
#define CFG_OR6_PRELIM		0
#define CFG_BR7_PRELIM		0x00000701
#define CFG_OR7_PRELIM		0xFFC0007C

/*-----------------------------------------------------------------------
 * Port configuration
 */
#define CFG_PACNT		0x00000000
#define CFG_PADDR		0x0000
#define CFG_PADAT		0x0000
#define CFG_PBCNT		0x55554155	/* Ethernet/UART configuration */
#define CFG_PBDDR		0x0000
#define CFG_PBDAT		0x0000
#define CFG_PDCNT		0x00000000
#endif				/* _M5272C3_H */