ml401.h

U-boot源码 ARM7启动代码

/*
 * (C) Copyright 2007 Michal Simek
 *
 * Michal SIMEK <[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 __CONFIG_H
#define __CONFIG_H

#include "../board/xilinx/ml401/xparameters.h"

#define	CONFIG_MICROBLAZE	1	/* MicroBlaze CPU */
#define	MICROBLAZE_V5		1
#define	CONFIG_ML401		1	/* ML401 Board */

/* uart */
#define	CONFIG_XILINX_UARTLITE
#define	CONFIG_SERIAL_BASE	XILINX_UART_BASEADDR
#define	CONFIG_BAUDRATE		XILINX_UART_BAUDRATE
#define	CFG_BAUDRATE_TABLE	{ CONFIG_BAUDRATE }

/* setting reset address */
/*#define	CFG_RESET_ADDRESS	TEXT_BASE*/

/* ethernet */
#define CONFIG_EMACLITE		1
#define XPAR_EMAC_0_DEVICE_ID	XPAR_OPB_ETHERNET_0_DEVICE_ID

/* gpio */
#define	CFG_GPIO_0		1
#define	CFG_GPIO_0_ADDR		XILINX_GPIO_BASEADDR

/* interrupt controller */
#define	CFG_INTC_0		1
#define	CFG_INTC_0_ADDR		XILINX_INTC_BASEADDR
#define	CFG_INTC_0_NUM		XILINX_INTC_NUM_INTR_INPUTS

/* timer */
#define	CFG_TIMER_0		1
#define	CFG_TIMER_0_ADDR	XILINX_TIMER_BASEADDR
#define	CFG_TIMER_0_IRQ		XILINX_TIMER_IRQ
#define	FREQUENCE		XILINX_CLOCK_FREQ
#define	CFG_TIMER_0_PRELOAD	( FREQUENCE/1000 )
#define	CONFIG_XILINX_CLOCK_FREQ	XILINX_CLOCK_FREQ

/* FSL */
#define	CFG_FSL_2
#define	FSL_INTR_2	1

/*
 * memory layout - Example
 * TEXT_BASE = 0x1200_0000;
 * CFG_SRAM_BASE = 0x1000_0000;
 * CFG_SRAM_SIZE = 0x0400_0000;
 *
 * CFG_GBL_DATA_OFFSET = 0x1000_0000 + 0x0400_0000 - 0x1000 = 0x13FF_F000
 * CFG_MONITOR_BASE = 0x13FF_F000 - 0x40000 = 0x13FB_F000
 * CFG_MALLOC_BASE = 0x13FB_F000 - 0x40000 = 0x13F7_F000
 *
 * 0x1000_0000	CFG_SDRAM_BASE
 *					FREE
 * 0x1200_0000	TEXT_BASE
 *		U-BOOT code
 * 0x1202_0000
 *					FREE
 *
 *					STACK
 * 0x13F7_F000	CFG_MALLOC_BASE
 *					MALLOC_AREA	256kB	Alloc
 * 0x11FB_F000	CFG_MONITOR_BASE
 *					MONITOR_CODE	256kB	Env
 * 0x13FF_F000	CFG_GBL_DATA_OFFSET
 *					GLOBAL_DATA	4kB	bd, gd
 * 0x1400_0000	CFG_SDRAM_BASE + CFG_SDRAM_SIZE
 */

/* ddr sdram - main memory */
#define	CFG_SDRAM_BASE		XILINX_RAM_START
#define	CFG_SDRAM_SIZE		XILINX_RAM_SIZE
#define	CFG_MEMTEST_START	CFG_SDRAM_BASE
#define	CFG_MEMTEST_END		(CFG_SDRAM_BASE + 0x1000)

/* global pointer */
#define	CFG_GBL_DATA_SIZE	0x1000	/* size of global data */
/* start of global data */
#define	CFG_GBL_DATA_OFFSET	(CFG_SDRAM_BASE + CFG_SDRAM_SIZE - CFG_GBL_DATA_SIZE)

/* monitor code */
#define	SIZE			0x40000
#define	CFG_MONITOR_LEN		SIZE
#define	CFG_MONITOR_BASE	(CFG_GBL_DATA_OFFSET - CFG_MONITOR_LEN)
#define	CFG_MONITOR_END		(CFG_MONITOR_BASE + CFG_MONITOR_LEN)
#define	CFG_MALLOC_LEN		SIZE
#define	CFG_MALLOC_BASE		(CFG_MONITOR_BASE - CFG_MALLOC_LEN)

/* stack */
#define	CFG_INIT_SP_OFFSET	CFG_MONITOR_BASE

/*#define	RAMENV */
#define	FLASH

#ifdef FLASH
	#define	CFG_FLASH_BASE		XILINX_FLASH_START
	#define	CFG_FLASH_SIZE		XILINX_FLASH_SIZE
	#define	CFG_FLASH_CFI		1
	#define	CFG_FLASH_CFI_DRIVER	1
	#define	CFG_FLASH_EMPTY_INFO	1	/* ?empty sector */
	#define	CFG_MAX_FLASH_BANKS	1	/* max number of memory banks */
	#define	CFG_MAX_FLASH_SECT	128	/* max number of sectors on one chip */
	#define	CFG_FLASH_PROTECTION		/* hardware flash protection */

	#ifdef	RAMENV
		#define	CFG_ENV_IS_NOWHERE	1
		#define	CFG_ENV_SIZE		0x1000
		#define	CFG_ENV_ADDR		(CFG_MONITOR_BASE - CFG_ENV_SIZE)

	#else	/* !RAMENV */
		#define	CFG_ENV_IS_IN_FLASH	1
		#define	CFG_ENV_ADDR		0x40000
		#define	CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
		#define	CFG_ENV_SIZE		0x2000
	#endif /* !RAMBOOT */
#else /* !FLASH */
	/* ENV in RAM */
	#define	CFG_NO_FLASH		1
	#define	CFG_ENV_IS_NOWHERE	1
	#define	CFG_ENV_SIZE		0x1000
	#define	CFG_ENV_ADDR		(CFG_MONITOR_BASE - CFG_ENV_SIZE)
	#define	CFG_FLASH_PROTECTION		/* hardware flash protection */
#endif /* !FLASH */

/* system ace */
#ifdef XILINX_SYSACE_BASEADDR
	#define	CONFIG_SYSTEMACE
	/* #define DEBUG_SYSTEMACE */
	#define	SYSTEMACE_CONFIG_FPGA
	#define	CFG_SYSTEMACE_BASE	XILINX_SYSACE_BASEADDR
	#define	CFG_SYSTEMACE_WIDTH	XILINX_SYSACE_MEM_WIDTH
	#define	CONFIG_DOS_PARTITION
#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_ASKENV
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_IRQ
#define CONFIG_CMD_MFSL
#define CONFIG_CMD_PING

#if defined(CONFIG_SYSTEMACE)
	#define CONFIG_CMD_EXT2
	#define CONFIG_CMD_FAT
#endif

#if defined(FLASH)
	#define CONFIG_CMD_ECHO
	#define CONFIG_CMD_FLASH
	#define CONFIG_CMD_IMLS
	#define CONFIG_CMD_JFFS2

	#if !defined(RAMENV)
		#define CONFIG_CMD_ENV
		#define CONFIG_CMD_SAVES
	#endif
#else
	#undef CONFIG_CMD_FLASH
#endif

#if defined(CONFIG_CMD_JFFS2)
/* JFFS2 partitions */
#define CONFIG_JFFS2_CMDLINE	/* mtdparts command line support */
#define MTDIDS_DEFAULT		"nor0=ml401-0"

/* default mtd partition table */
#define MTDPARTS_DEFAULT	"mtdparts=ml401-0:256k(u-boot),"\
				"256k(env),3m(kernel),1m(romfs),"\
				"1m(cramfs),-(jffs2)"
#endif

/* Miscellaneous configurable options */
#define	CFG_PROMPT	"U-Boot-mONStR> "
#define	CFG_CBSIZE	512	/* size of console buffer */
#define	CFG_PBSIZE	(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) /* print buffer size */
#define	CFG_MAXARGS	15	/* max number of command args */
#define	CFG_LONGHELP
#define	CFG_LOAD_ADDR	0x12000000 /* default load address */

#define	CONFIG_BOOTDELAY	30
#define	CONFIG_BOOTARGS		"root=romfs"
#define	CONFIG_HOSTNAME		"ml401"
#define	CONFIG_BOOTCOMMAND	"base 0;tftp 11000000 image.img;bootm"
#define	CONFIG_IPADDR		192.168.0.3
#define	CONFIG_SERVERIP		192.168.0.5
#define	CONFIG_GATEWAYIP	192.168.0.1
#define	CONFIG_ETHADDR		00:E0:0C:00:00:FD

/* architecture dependent code */
#define	CFG_USR_EXCEP	/* user exception */
#define CFG_HZ	1000

#define	CONFIG_PREBOOT		"echo U-BOOT for ML401;setenv preboot;echo"

#define	CONFIG_EXTRA_ENV_SETTINGS	"unlock=yes\0" /* hardware flash protection */\
					"nor0=ml401-0\0"\
					"mtdparts=mtdparts=ml401-0:"\
					"256k(u-boot),256k(env),3m(kernel),"\
					"1m(romfs),1m(cramfs),-(jffs2)\0"

#endif	/* __CONFIG_H */