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			500 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			500 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * (C) Copyright 2000-2008
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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_HMI10
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| #define CONFIG_MPC823		1	/* This is a MPC823 CPU		*/
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| #define CONFIG_TQM823L		1	/* ...on a TQM8xxL module	*/
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| 
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| #define CONFIG_LCD
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| #define CONFIG_NEC_NL6448BC33_54	/* NEC NL6448BC33_54 display	*/
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| 
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| #ifdef	CONFIG_LCD			/* with LCD controller ?	*/
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| #define CONFIG_SPLASH_SCREEN		/* ... with splashscreen support*/
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| #endif
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| 
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| #define CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
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| #undef	CONFIG_8xx_CONS_SMC2
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| #undef	CONFIG_8xx_CONS_NONE
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| #define CONFIG_BAUDRATE		115200	/* console baudrate = 115kbps	*/
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| 
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| #define CONFIG_PS2KBD			/* AT-PS/2 Keyboard		*/
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| #define CONFIG_PS2MULT			/* .. on PS/2 Multiplexer	*/
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| #define CONFIG_PS2SERIAL	2	/* .. on COM3			*/
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| #define CONFIG_PS2MULT_DELAY	(CONFIG_SYS_HZ/2)	/* Initial delay	*/
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| 
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| #define CONFIG_BOOTCOUNT_LIMIT
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| 
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| #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
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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_PREBOOT	"echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
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| 
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| #undef	CONFIG_BOOTARGS
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| 
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| #define CONFIG_EXTRA_ENV_SETTINGS					\
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| 	"netdev=eth0\0"							\
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| 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
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| 		"nfsroot=${serverip}:${rootpath}\0"			\
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| 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
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| 	"addip=setenv bootargs ${bootargs} "				\
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| 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
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| 		":${hostname}:${netdev}:off panic=1\0"			\
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| 	"flash_nfs=run nfsargs addip;"					\
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| 		"bootm ${kernel_addr}\0"				\
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| 	"flash_self=run ramargs addip;"					\
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| 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
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| 	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0"	\
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| 	"rootpath=/opt/eldk/ppc_8xx\0"					\
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| 	"bootfile=/tftpboot/HMI10/uImage\0"				\
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| 	"kernel_addr=40040000\0"					\
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| 	"ramdisk_addr=40100000\0"					\
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| 	""
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| #define CONFIG_BOOTCOMMAND	"run flash_self"
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| 
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| #define	CONFIG_BOARD_EARLY_INIT_R 1
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| #define CONFIG_MISC_INIT_R	  1
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| 
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| #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
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| #undef	CONFIG_SYS_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/
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| 
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| /* enable I2C and select the hardware/software driver */
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| #undef	CONFIG_HARD_I2C			/* I2C with hardware support	*/
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| #define CONFIG_SOFT_I2C		1	/* I2C bit-banged		*/
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| 
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| #define CONFIG_SYS_I2C_SPEED		40000	/* 40 kHz is supposed to work	*/
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| #define CONFIG_SYS_I2C_SLAVE		0xFE
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| 
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| /* Software (bit-bang) I2C driver configuration */
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| #define PB_SCL		0x00000020	/* PB 26 */
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| #define PB_SDA		0x00000010	/* PB 27 */
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| 
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| #define I2C_INIT	(immr->im_cpm.cp_pbdir |=  PB_SCL)
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| #define I2C_ACTIVE	(immr->im_cpm.cp_pbdir |=  PB_SDA)
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| #define I2C_TRISTATE	(immr->im_cpm.cp_pbdir &= ~PB_SDA)
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| #define I2C_READ	((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
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| #define I2C_SDA(bit)	if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
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| 			else	immr->im_cpm.cp_pbdat &= ~PB_SDA
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| #define I2C_SCL(bit)	if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
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| 			else	immr->im_cpm.cp_pbdat &= ~PB_SCL
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| #define I2C_DELAY	udelay(5)	/* 1/4 I2C clock duration */
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| 
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| #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
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| 
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| #define CONFIG_STATUS_LED	1	/* Status LED enabled		*/
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| 
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| #define CONFIG_CAN_DRIVER	1	/* CAN Driver support enabled	*/
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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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| 
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| 
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| #define CONFIG_MAC_PARTITION
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| #define CONFIG_DOS_PARTITION
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| 
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| #define CONFIG_RTC_DS1337		/* Use ds1337 rtc via i2c	*/
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| #define CONFIG_SYS_I2C_RTC_ADDR 0x68		/* at address 0x68		*/
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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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| 
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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_FAT
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| #define CONFIG_CMD_I2C
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| #define CONFIG_CMD_IDE
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| #define CONFIG_CMD_NFS
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| #define CONFIG_CMD_SNTP
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| 
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| #ifdef	CONFIG_SPLASH_SCREEN
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|     #define CONFIG_CMD_BMP
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| #endif
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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 CONFIG_SYS_LONGHELP			/* undef to save memory		*/
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| #define CONFIG_SYS_PROMPT		"=> "	/* Monitor Command Prompt	*/
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| 
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| #if 0
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| #define CONFIG_SYS_HUSH_PARSER		1	/* use "hush" command parser	*/
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| #endif
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| #ifdef	CONFIG_SYS_HUSH_PARSER
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| #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
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| #endif
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| 
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| #if defined(CONFIG_CMD_KGDB)
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| #define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size	*/
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| #else
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| #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size	*/
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| #endif
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| #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
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| #define CONFIG_SYS_MAXARGS		16	/* max number of command args	*/
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| #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
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| 
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| #define CONFIG_SYS_MEMTEST_START	0x0400000	/* memtest works on	*/
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| #define CONFIG_SYS_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM	*/
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| 
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| #define CONFIG_SYS_LOAD_ADDR		0x100000	/* default load address */
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| 
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| #define CONFIG_SYS_HZ			1000	/* decrementer freq: 1 ms ticks */
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| 
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| #define CONFIG_SYS_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 CONFIG_SYS_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 CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_IMMR
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| #define CONFIG_SYS_INIT_RAM_END	0x2F00	/* End of used area in DPRAM	*/
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| #define CONFIG_SYS_GBL_DATA_SIZE	64  /* size in bytes reserved for initial data */
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| #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
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| #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_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 CONFIG_SYS_SDRAM_BASE _must_ start at 0
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|  */
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| #define CONFIG_SYS_SDRAM_BASE		0x00000000
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| #define CONFIG_SYS_FLASH_BASE		0x40000000
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| #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
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| #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_FLASH_BASE
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| #define CONFIG_SYS_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 CONFIG_SYS_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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| 
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| /* use CFI flash driver */
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| #define CONFIG_SYS_FLASH_CFI		1	/* Flash is CFI conformant */
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| #define CONFIG_FLASH_CFI_DRIVER	1	/* Use the common driver */
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| #define CONFIG_SYS_FLASH_BANKS_LIST	{ CONFIG_SYS_FLASH_BASE }
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| #define CONFIG_SYS_FLASH_EMPTY_INFO
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| #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE	1
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| #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of memory banks */
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| #define CONFIG_SYS_MAX_FLASH_SECT	71	/* max number of sectors on one chip */
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| 
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| #define CONFIG_ENV_IS_IN_FLASH	1
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| #define CONFIG_ENV_OFFSET		0x8000	/*   Offset   of Environment Sector	*/
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| #define CONFIG_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 CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
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| #define CONFIG_ENV_SIZE_REDUND	(CONFIG_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 CONFIG_SYS_HWINFO_OFFSET	0x0003FFC0	/* offset of HW Info block */
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| #define CONFIG_SYS_HWINFO_SIZE		0x00000040	/* size	  of HW Info block */
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| #define CONFIG_SYS_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 CONFIG_SYS_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/
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| #if defined(CONFIG_CMD_KGDB)
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| #define CONFIG_SYS_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 CONFIG_SYS_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 CONFIG_SYS_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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| #ifndef CONFIG_CAN_DRIVER
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| #define CONFIG_SYS_SIUMCR	(SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
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| #else	/* we must activate GPL5 in the SIUMCR for CAN */
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| #define CONFIG_SYS_SIUMCR	(SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
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| #endif	/* CONFIG_CAN_DRIVER */
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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 CONFIG_SYS_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 CONFIG_SYS_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 CONFIG_SYS_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
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|  *
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|  * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
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|  */
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| #define CONFIG_SYS_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 CONFIG_SYS_SCCR	(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 CONFIG_SYS_PCMCIA_MEM_ADDR	(0xE0100000)
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| #define CONFIG_SYS_PCMCIA_MEM_SIZE	( 64 << 20 )
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| #define CONFIG_SYS_PCMCIA_DMA_ADDR	(0xE4100000)
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| #define CONFIG_SYS_PCMCIA_DMA_SIZE	( 64 << 20 )
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| #define CONFIG_SYS_PCMCIA_ATTRB_ADDR	(0xE8100000)
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| #define CONFIG_SYS_PCMCIA_ATTRB_SIZE	( 64 << 20 )
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| #define CONFIG_SYS_PCMCIA_IO_ADDR	(0xEC100000)
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| #define CONFIG_SYS_PCMCIA_IO_SIZE	( 64 << 20 )
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| #define PCMCIA_MEM_WIN_NO	5
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| #define NSCU_OE_INV		1		/* PCMCIA_GCRX_CXOE is inverted */
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| 
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| /*-----------------------------------------------------------------------
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|  * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
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|  *-----------------------------------------------------------------------
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|  */
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| 
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| #define CONFIG_IDE_8xx_PCCARD	1	/* Use IDE with PC Card Adapter */
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| 
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| #undef	CONFIG_IDE_8xx_DIRECT		/* Direct IDE	 not supported	*/
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| #undef	CONFIG_IDE_RESET		/* reset for ide not supported	*/
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| #ifndef CONFIG_STATUS_LED		/* Status and IDE LED's are mutually exclusive */
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| #define CONFIG_IDE_LED		1	/* LED   for ide supported	*/
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| #endif
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| 
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| #define CONFIG_SYS_IDE_MAXBUS		1	/* max. 1 IDE bus		*/
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| #define CONFIG_SYS_IDE_MAXDEVICE	1	/* max. 1 drive per IDE bus	*/
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| 
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| #define CONFIG_SYS_ATA_IDE0_OFFSET	0x0000
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| 
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| #define CONFIG_SYS_ATA_BASE_ADDR	CONFIG_SYS_PCMCIA_MEM_ADDR
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| 
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| /* Offset for data I/O			*/
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| #define CONFIG_SYS_ATA_DATA_OFFSET	(CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
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| 
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| /* Offset for normal register accesses	*/
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| #define CONFIG_SYS_ATA_REG_OFFSET	(2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
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| 
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| /* Offset for alternate registers	*/
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| #define CONFIG_SYS_ATA_ALT_OFFSET	0x0100
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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 CONFIG_SYS_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 CONFIG_SYS_REMAP_OR_AM		0x80000000	/* OR addr mask */
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| #define CONFIG_SYS_PRELIM_OR_AM	0xE0000000	/* OR addr mask */
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| 
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| /*
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|  * FLASH timing:
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|  */
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| #define CONFIG_SYS_OR_TIMING_FLASH	(OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \
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| 				 OR_SCY_3_CLK | OR_EHTR | OR_BI)
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| 
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| #define CONFIG_SYS_OR0_REMAP	(CONFIG_SYS_REMAP_OR_AM  | CONFIG_SYS_OR_TIMING_FLASH)
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| #define CONFIG_SYS_OR0_PRELIM	(CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
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| #define CONFIG_SYS_BR0_PRELIM	((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
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| 
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| #define CONFIG_SYS_OR1_REMAP	CONFIG_SYS_OR0_REMAP
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| #define CONFIG_SYS_OR1_PRELIM	CONFIG_SYS_OR0_PRELIM
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| #define CONFIG_SYS_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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| #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 CONFIG_SYS_OR_TIMING_SDRAM	0x00000A00
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| 
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| #define CONFIG_SYS_OR2_PRELIM	(CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
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| #define CONFIG_SYS_BR2_PRELIM	((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
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| 
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| #ifndef CONFIG_CAN_DRIVER
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| #define CONFIG_SYS_OR3_PRELIM	CONFIG_SYS_OR2_PRELIM
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| #define CONFIG_SYS_BR3_PRELIM	((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
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| #else	/* CAN uses CS3#, so we can have only one SDRAM bank anyway */
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| #define CONFIG_SYS_CAN_BASE		0xC0000000	/* CAN mapped at 0xC0000000	*/
 | |
| #define CONFIG_SYS_CAN_OR_AM		0xFFFF8000	/* 32 kB address mask		*/
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| #define CONFIG_SYS_OR3_CAN		(CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
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| #define CONFIG_SYS_BR3_CAN		((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
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| 					BR_PS_8 | BR_MS_UPMB | BR_V )
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| #endif	/* CONFIG_CAN_DRIVER */
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| 
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| /*
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|  * Memory Periodic Timer Prescaler
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|  *
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|  * The Divider for PTA (refresh timer) configuration is based on an
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|  * example SDRAM configuration (64 MBit, one bank). The adjustment to
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|  * the number of chip selects (NCS) and the actually needed refresh
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|  * rate is done by setting MPTPR.
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|  *
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|  * PTA is calculated from
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|  *	PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
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|  *
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|  *	gclk	  CPU clock (not bus clock!)
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|  *	Trefresh  Refresh cycle * 4 (four word bursts used)
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|  *
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|  * 4096	 Rows from SDRAM example configuration
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|  * 1000	 factor s -> ms
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|  *   32	 PTP (pre-divider from MPTPR) from SDRAM example configuration
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|  *    4	 Number of refresh cycles per period
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|  *   64	 Refresh cycle in ms per number of rows
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|  * --------------------------------------------
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|  * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
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|  *
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|  * 50 MHz => 50.000.000 / Divider =  98
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|  * 66 Mhz => 66.000.000 / Divider = 129
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|  * 80 Mhz => 80.000.000 / Divider = 156
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|  */
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| 
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| #define CONFIG_SYS_PTA_PER_CLK	((4096 * 32 * 1000) / (4 * 64))
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| #define CONFIG_SYS_MAMR_PTA	98
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| 
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| /*
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|  * For 16 MBit, refresh rates could be 31.3 us
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|  * (= 64 ms / 2K = 125 / quad bursts).
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|  * For a simpler initialization, 15.6 us is used instead.
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|  *
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|  * #define CONFIG_SYS_MPTPR_2BK_2K	MPTPR_PTP_DIV32		for 2 banks
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|  * #define CONFIG_SYS_MPTPR_1BK_2K	MPTPR_PTP_DIV64		for 1 bank
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|  */
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| #define CONFIG_SYS_MPTPR_2BK_4K	MPTPR_PTP_DIV16		/* setting for 2 banks	*/
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| #define CONFIG_SYS_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		*/
 | |
| #define CONFIG_SYS_MPTPR_2BK_8K	MPTPR_PTP_DIV8		/* setting for 2 banks	*/
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| #define CONFIG_SYS_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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| /* 8 column SDRAM */
 | |
| #define CONFIG_SYS_MAMR_8COL	((CONFIG_SYS_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 CONFIG_SYS_MAMR_9COL	((CONFIG_SYS_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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|  * Internal Definitions
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|  *
 | |
|  * Boot Flags
 | |
|  */
 | |
| #define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
 | |
| #define BOOTFLAG_WARM	0x02		/* Software reboot			*/
 | |
| 
 | |
| #endif	/* __CONFIG_H */
 |