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			350 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			350 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * (C) Copyright 2000-2005
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|  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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|  *
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|  * See file CREDITS for list of people who contributed to this
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|  * project.
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|  *
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|  * This program is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU General Public License as
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|  * published by the Free Software Foundation; either version 2 of
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|  * the License, or (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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|  * MA 02111-1307 USA
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|  */
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| 
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| /*
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|  * board/config.h - configuration options, board specific
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|  */
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| 
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| #ifndef __CONFIG_H
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| #define __CONFIG_H
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| 
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| /*
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|  * High Level Configuration Options
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|  * (easy to change)
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|  */
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| 
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| #define CONFIG_MPC860		1	/* This is a MPC860 CPU		*/
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| #define CONFIG_FPS860L		1	/* ...on a FingerPrint Sensor	*/
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| 
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| #undef	CONFIG_8xx_CONS_SMC1
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| #define	CONFIG_8xx_CONS_SMC2	1	/* Console is on SMC2		*/
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| #undef	CONFIG_8xx_CONS_NONE
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| #define CONFIG_BAUDRATE		115200
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| #if 0
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| #define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
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| #else
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| #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
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| #endif
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| #define CONFIG_BOOTCOMMAND	"bootm 40040000" /* autoboot command	*/
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| 
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| #define CONFIG_BOARD_TYPES	1	/* support board types		*/
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| 
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| #define CONFIG_BOOTARGS		"root=/dev/nfs rw "			\
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| 				"nfsroot=10.0.0.2:/opt/eldk/ppc_8xx "	\
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| 				"nfsaddrs=10.0.0.99:10.0.0.2"
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| 
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| #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
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| #undef	CFG_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/
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| 
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| #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
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| 
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| /*
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|  * BOOTP options
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|  */
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| #define CONFIG_BOOTP_SUBNETMASK
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| #define CONFIG_BOOTP_GATEWAY
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| #define CONFIG_BOOTP_HOSTNAME
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| #define CONFIG_BOOTP_BOOTPATH
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| #define CONFIG_BOOTP_BOOTFILESIZE
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| #define CONFIG_BOOTP_SUBNETMASK
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| #define CONFIG_BOOTP_GATEWAY
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| #define CONFIG_BOOTP_HOSTNAME
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| #define CONFIG_BOOTP_NISDOMAIN
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| #define CONFIG_BOOTP_BOOTPATH
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| #define CONFIG_BOOTP_DNS
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| #define CONFIG_BOOTP_DNS2
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| #define CONFIG_BOOTP_SEND_HOSTNAME
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| #define CONFIG_BOOTP_NTPSERVER
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| #define CONFIG_BOOTP_TIMEOFFSET
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| 
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| #define	CONFIG_RTC_MPC8xx		/* use internal RTC of MPC8xx	*/
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| 
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| 
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| /*
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|  * Command line configuration.
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|  */
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| #include <config_cmd_default.h>
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| #define CONFIG_CMD_ASKENV
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| #define CONFIG_CMD_DATE
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| #define CONFIG_CMD_DHCP
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| #define CONFIG_CMD_NFS
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| #define CONFIG_CMD_SNTP
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| 
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| 
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| /*
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|  * Miscellaneous configurable options
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|  */
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| #define	CFG_LONGHELP			/* undef to save memory		*/
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| #define	CFG_PROMPT	"=> "		/* Monitor Command Prompt	*/
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| #if defined(CONFIG_CMD_KGDB)
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| #define	CFG_CBSIZE	1024		/* Console I/O Buffer Size	*/
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| #else
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| #define	CFG_CBSIZE	256		/* Console I/O Buffer Size	*/
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| #endif
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| #define	CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
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| #define	CFG_MAXARGS	16		/* max number of command args	*/
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| #define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size	*/
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| 
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| #define CFG_MEMTEST_START	0x0400000	/* memtest works on	*/
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| #define CFG_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM	*/
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| 
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| #define	CFG_LOAD_ADDR		0x100000	/* default load address	*/
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| 
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| #define	CFG_HZ		1000		/* decrementer freq: 1 ms ticks	*/
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| 
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| #define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
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| 
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| /*
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|  * Low Level Configuration Settings
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|  * (address mappings, register initial values, etc.)
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|  * You should know what you are doing if you make changes here.
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|  */
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| /*-----------------------------------------------------------------------
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|  * Internal Memory Mapped Register
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|  */
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| #define CFG_IMMR		0xFFF00000
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| 
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| /*-----------------------------------------------------------------------
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|  * Definitions for initial stack pointer and data area (in DPRAM)
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|  */
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| #define CFG_INIT_RAM_ADDR	CFG_IMMR
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| #define	CFG_INIT_RAM_END	0x2F00	/* End of used area in DPRAM	*/
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| #define	CFG_GBL_DATA_SIZE	64  /* size in bytes reserved for initial data */
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| #define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
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| #define	CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
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| 
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| /*-----------------------------------------------------------------------
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|  * Start addresses for the final memory configuration
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|  * (Set up by the startup code)
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|  * Please note that CFG_SDRAM_BASE _must_ start at 0
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|  */
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| #define	CFG_SDRAM_BASE		0x00000000
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| #define CFG_FLASH_BASE		0x40000000
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| #define	CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
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| #define CFG_MONITOR_BASE	CFG_FLASH_BASE
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| #define	CFG_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()	*/
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| 
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| /*
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|  * For booting Linux, the board info and command line data
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|  * have to be in the first 8 MB of memory, since this is
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|  * the maximum mapped by the Linux kernel during initialization.
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|  */
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| #define	CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux	*/
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| 
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| /*-----------------------------------------------------------------------
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|  * FLASH organization
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|  */
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| #define CFG_MAX_FLASH_BANKS	2	/* max number of memory banks		*/
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| #define CFG_MAX_FLASH_SECT	67	/* max number of sectors on one chip	*/
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| 
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| #define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
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| #define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
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| 
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| #define	CFG_ENV_IS_IN_FLASH	1
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| #define	CFG_ENV_OFFSET		0x8000	/*   Offset   of Environment Sector	*/
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| #define	CFG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/
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| 
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| /* Address and size of Redundant Environment Sector	*/
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| #define CFG_ENV_OFFSET_REDUND	(CFG_ENV_OFFSET+CFG_ENV_SIZE)
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| #define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)
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| 
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| /*-----------------------------------------------------------------------
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|  * Hardware Information Block
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|  */
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| #define CFG_HWINFO_OFFSET	0x0003FFC0	/* offset of HW Info block */
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| #define CFG_HWINFO_SIZE		0x00000040	/* size   of HW Info block */
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| #define CFG_HWINFO_MAGIC	0x54514D38	/* 'TQM8' */
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| 
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| /*-----------------------------------------------------------------------
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|  * Cache Configuration
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|  */
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| #define CFG_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/
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| #if defined(CONFIG_CMD_KGDB)
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| #define CFG_CACHELINE_SHIFT	4	/* log base 2 of the above value	*/
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| #endif
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| 
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| /*-----------------------------------------------------------------------
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|  * SYPCR - System Protection Control				11-9
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|  * SYPCR can only be written once after reset!
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|  *-----------------------------------------------------------------------
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|  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
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|  */
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| #if defined(CONFIG_WATCHDOG)
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| #define CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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| 			 SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
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| #else
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| #define CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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| #endif
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| 
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| /*-----------------------------------------------------------------------
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|  * SIUMCR - SIU Module Configuration				11-6
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|  *-----------------------------------------------------------------------
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|  * PCMCIA config., multi-function pin tri-state
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|  */
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| #define CFG_SIUMCR	(SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
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| 
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| /*-----------------------------------------------------------------------
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|  * TBSCR - Time Base Status and Control				11-26
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|  *-----------------------------------------------------------------------
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|  * Clear Reference Interrupt Status, Timebase freezing enabled
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|  */
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| #define CFG_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
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| 
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| /*-----------------------------------------------------------------------
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|  * RTCSC - Real-Time Clock Status and Control Register		11-27
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|  *-----------------------------------------------------------------------
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|  */
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| #define CFG_RTCSC	(RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
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| 
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| /*-----------------------------------------------------------------------
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|  * PISCR - Periodic Interrupt Status and Control		11-31
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|  *-----------------------------------------------------------------------
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|  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
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|  */
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| #define CFG_PISCR	(PISCR_PS | PISCR_PITF)
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| 
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| /*-----------------------------------------------------------------------
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|  * PLPRCR - PLL, Low-Power, and Reset Control Register		15-30
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|  *-----------------------------------------------------------------------
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|  * Reset PLL lock status sticky bit, timer expired status bit and timer
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|  * interrupt status bit - leave PLL multiplication factor unchanged !
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|  */
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| #define CFG_PLPRCR	(PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
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| 
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| /*-----------------------------------------------------------------------
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|  * SCCR - System Clock and reset Control Register		15-27
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|  *-----------------------------------------------------------------------
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|  * Set clock output, timebase and RTC source and divider,
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|  * power management and some other internal clocks
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|  */
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| #define SCCR_MASK	SCCR_EBDF11
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| #define CFG_SCCR	(SCCR_TBS     | \
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| 			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
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| 			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
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| 			 SCCR_DFALCD00)
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| 
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| /*-----------------------------------------------------------------------
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|  * PCMCIA stuff
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|  *-----------------------------------------------------------------------
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|  *
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|  */
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| #define CFG_PCMCIA_MEM_ADDR	(0xE0000000)
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| #define CFG_PCMCIA_MEM_SIZE	( 64 << 20 )
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| #define CFG_PCMCIA_DMA_ADDR	(0xE4000000)
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| #define CFG_PCMCIA_DMA_SIZE	( 64 << 20 )
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| #define CFG_PCMCIA_ATTRB_ADDR	(0xE8000000)
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| #define CFG_PCMCIA_ATTRB_SIZE	( 64 << 20 )
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| #define CFG_PCMCIA_IO_ADDR	(0xEC000000)
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| #define CFG_PCMCIA_IO_SIZE	( 64 << 20 )
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| 
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| /*-----------------------------------------------------------------------
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|  *
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|  *-----------------------------------------------------------------------
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|  *
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|  */
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| #define CFG_DER	0
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| 
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| /*
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|  * Init Memory Controller:
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|  *
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|  * BR0/1 and OR0/1 (FLASH)
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|  */
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| 
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| #define FLASH_BASE0_PRELIM	0x40000000	/* FLASH bank #0	*/
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| #define FLASH_BASE1_PRELIM	0x60000000	/* FLASH bank #0	*/
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| 
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| /* used to re-map FLASH both when starting from SRAM or FLASH:
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|  * restrict access enough to keep SRAM working (if any)
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|  * but not too much to meddle with FLASH accesses
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|  */
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| #define CFG_REMAP_OR_AM		0x80000000	/* OR addr mask */
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| #define CFG_PRELIM_OR_AM	0xE0000000	/* OR addr mask */
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| 
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| /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1	*/
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| #define CFG_OR_TIMING_FLASH	(OR_CSNT_SAM  | OR_ACS_DIV2 | OR_BI | \
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| 				 OR_SCY_5_CLK | OR_EHTR)
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| 
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| #define CFG_OR0_REMAP	(CFG_REMAP_OR_AM  | CFG_OR_TIMING_FLASH)
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| #define CFG_OR0_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
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| #define CFG_BR0_PRELIM	((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
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| 
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| #define CFG_OR1_REMAP	CFG_OR0_REMAP
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| #define CFG_OR1_PRELIM	CFG_OR0_PRELIM
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| #define CFG_BR1_PRELIM	((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
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| 
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| /*
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|  * BR2/3 and OR2/3 (SDRAM)
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|  *
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|  */
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| #define SDRAM_BASE2_PRELIM	0x00000000	/* SDRAM bank #0	*/
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| #define SDRAM_BASE3_PRELIM	0x20000000	/* SDRAM bank #1	*/
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| #define	SDRAM_MAX_SIZE		0x04000000	/* max 64 MB per bank	*/
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| 
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| /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)	*/
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| #define CFG_OR_TIMING_SDRAM	0x00000A00
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| 
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| #define CFG_OR2_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
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| #define CFG_BR2_PRELIM	((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
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| 
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| #define	CFG_OR3_PRELIM	CFG_OR2_PRELIM
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| #define CFG_BR3_PRELIM	((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
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| 
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| /*
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|  * Memory Periodic Timer Prescaler
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|  */
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| 
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| /* periodic timer for refresh */
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| #define CFG_MAMR_PTA	97		/* start with divider for 100 MHz	*/
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| 
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| /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit	*/
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| #define CFG_MPTPR_2BK_4K	MPTPR_PTP_DIV16		/* setting for 2 banks	*/
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| #define CFG_MPTPR_1BK_4K	MPTPR_PTP_DIV32		/* setting for 1 bank	*/
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| 
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| /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit		*/
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| #define CFG_MPTPR_2BK_8K	MPTPR_PTP_DIV8		/* setting for 2 banks	*/
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| #define CFG_MPTPR_1BK_8K	MPTPR_PTP_DIV16		/* setting for 1 bank	*/
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| 
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| /*
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|  * MAMR settings for SDRAM
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|  */
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| 
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| /* 8 column SDRAM */
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| #define CFG_MAMR_8COL	((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
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| 			 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |	\
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| 			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)
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| /* 9 column SDRAM */
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| #define CFG_MAMR_9COL	((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
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| 			 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |	\
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| 			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)
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| 
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| 
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| /*
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|  * Internal Definitions
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|  *
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|  * Boot Flags
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|  */
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| #define	BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
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| #define BOOTFLAG_WARM	0x02		/* Software reboot			*/
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| 
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| #endif	/* __CONFIG_H */
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