bubinga.h

u-boot-1.1.6 源码包

/*
 * (C) Copyright 2000-2005
 * 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

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

#define CONFIG_405EP		1	/* This is a PPC405 CPU		*/
#define CONFIG_4xx		1	/* ...member of PPC4xx family   */
#define CONFIG_BUBINGA	        1	/* ...on a BUBINGA board	*/

#define CONFIG_BOARD_EARLY_INIT_F 1	/* Call board_early_init_f	*/

#define CONFIG_SYS_CLK_FREQ     33333333 /* external frequency to pll   */

#define CONFIG_NO_SERIAL_EEPROM
/*#undef CONFIG_NO_SERIAL_EEPROM*/
/*----------------------------------------------------------------------------*/
#ifdef CONFIG_NO_SERIAL_EEPROM

/*
!-------------------------------------------------------------------------------
! Defines for entry options.
! Note: Because the 405EP SDRAM controller does not support ECC, ECC DIMMs that
!       are plugged in the board will be utilized as non-ECC DIMMs.
!-------------------------------------------------------------------------------
*/
#define        AUTO_MEMORY_CONFIG
#define        DIMM_READ_ADDR 0xAB
#define        DIMM_WRITE_ADDR 0xAA

/*
!-------------------------------------------------------------------------------
! PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI,
! assuming a 33MHz input clock to the 405EP from the C9531.
!-------------------------------------------------------------------------------
*/
#define PLLMR0_DEFAULT   PLLMR0_266_133_66
#define PLLMR1_DEFAULT   PLLMR1_266_133_66

#endif
/*----------------------------------------------------------------------------*/

/*
 * Define here the location of the environment variables (FLASH or NVRAM).
 * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
 *       supported for backward compatibility.
 */
#if 1
#define CFG_ENV_IS_IN_FLASH     1	/* use FLASH for environment vars	*/
#else
#define CFG_ENV_IS_IN_NVRAM	1	/* use NVRAM for environment vars	*/
#endif

#define CONFIG_PREBOOT	"echo;"	\
	"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
	"echo"

#undef	CONFIG_BOOTARGS

#define	CONFIG_EXTRA_ENV_SETTINGS					\
	"netdev=eth0\0"							\
	"hostname=bubinga\0"						\
	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
		"nfsroot=${serverip}:${rootpath}\0"			\
	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
	"addip=setenv bootargs ${bootargs} "				\
		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
		":${hostname}:${netdev}:off panic=1\0"			\
	"addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
	"flash_nfs=run nfsargs addip addtty;"				\
		"bootm ${kernel_addr}\0"				\
	"flash_self=run ramargs addip addtty;"				\
		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;"     \
	        "bootm\0"						\
	"rootpath=/opt/eldk/ppc_4xx\0"					\
	"bootfile=/tftpboot/bubinga/uImage\0"				\
	"kernel_addr=fff80000\0"					\
	"ramdisk_addr=fff90000\0"					\
	"load=tftp 100000 /tftpboot/bubinga/u-boot.bin\0"		\
	"update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;"	\
		"cp.b 100000 fffc0000 40000;"			        \
		"setenv filesize;saveenv\0"				\
	"upd=run load;run update\0"					\
	""
#define CONFIG_BOOTCOMMAND	"run net_nfs"

#if 0
#define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
#else
#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
#endif

#define CONFIG_BAUDRATE		115200

#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
#define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change	*/

#define CONFIG_MII		1	/* MII PHY management		*/
#define	CONFIG_PHY_ADDR		1	/* PHY address			*/
#define CONFIG_HAS_ETH1
#define CONFIG_PHY1_ADDR	2	/* EMAC1 PHY address		*/
#define CONFIG_NET_MULTI	1
#define CFG_RX_ETH_BUFFER	16	/* Number of ethernet rx buffers & descriptors */

#define CONFIG_NETCONSOLE		/* include NetConsole support	*/

#define CONFIG_RTC_DS174x	1	/* use DS1743 RTC in Bubinga	*/

#define CONFIG_COMMANDS	       (CONFIG_CMD_DFL	| \
				CFG_CMD_ASKENV	| \
				CFG_CMD_CACHE	| \
				CFG_CMD_DATE	| \
				CFG_CMD_DHCP	| \
				CFG_CMD_EEPROM	| \
				CFG_CMD_ELF	| \
				CFG_CMD_I2C	| \
				CFG_CMD_IRQ	| \
				CFG_CMD_MII	| \
				CFG_CMD_NET	| \
				CFG_CMD_PCI	| \
				CFG_CMD_PING	| \
				CFG_CMD_REGINFO	| \
				CFG_CMD_SDRAM	| \
				CFG_CMD_SNTP	)

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

#undef CONFIG_WATCHDOG			/* watchdog disabled		*/

#define CONFIG_SPD_EEPROM      1       /* use SPD EEPROM for setup    */

/*
 * Miscellaneous configurable options
 */
#define CFG_LONGHELP			/* undef to save memory		*/
#define CFG_PROMPT	"=> "		/* Monitor Command Prompt	*/
#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	0x0400000	/* memtest works on	*/
#define CFG_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM	*/

/*
 * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
 * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
 * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
 * The Linux BASE_BAUD define should match this configuration.
 *    baseBaud = cpuClock/(uartDivisor*16)
 * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
 * set Linux BASE_BAUD to 403200.
 */
#undef	CONFIG_SERIAL_SOFTWARE_FIFO
#undef  CFG_EXT_SERIAL_CLOCK           /* external serial clock */
#undef  CFG_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
#define CFG_BASE_BAUD       691200

/* The following table includes the supported baudrates */
#define CFG_BAUDRATE_TABLE  \
    {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}

#define CFG_LOAD_ADDR		0x100000	/* default load address */
#define CFG_EXTBDINFO		1	/* To use extended board_into (bd_t) */

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

#define CONFIG_CMDLINE_EDITING	1	/* add command line history	*/
#define CONFIG_LOOPW            1       /* enable loopw command         */
#define CONFIG_MX_CYCLIC        1       /* enable mdc/mwc commands      */
#define CONFIG_ZERO_BOOTDELAY_CHECK	/* check for keypress on bootdelay==0 */
#define CONFIG_VERSION_VARIABLE 1	/* include version env variable */

/*-----------------------------------------------------------------------
 * I2C stuff
 *-----------------------------------------------------------------------
 */
#define CONFIG_HARD_I2C		1	/* I2C with hardware support	*/
#undef  CONFIG_SOFT_I2C			/* I2C bit-banged		*/
#define CFG_I2C_SPEED		400000	/* I2C speed and slave address	*/
#define CFG_I2C_SLAVE		0x7F