mip405.h

u-boot-1.1.6 源码包

/*
 * (C) Copyright 2001, 2002
 * 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_405GP		1	/* This is a PPC405 CPU		*/
#define CONFIG_4xx		1	/* ...member of PPC4xx family	*/
#define CONFIG_MIP405		1	/* ...on a MIP405 board		*/
/***********************************************************
 * Note that it may also be a MIP405T board which is a subset of the
 * MIP405
 ***********************************************************/
/***********************************************************
 * WARNING:
 * CONFIG_BOOT_PCI is only used for first boot-up and should
 * NOT be enabled for production bootloader
 ***********************************************************/
/*#define        CONFIG_BOOT_PCI         1*/
/***********************************************************
 * Clock
 ***********************************************************/
#define CONFIG_SYS_CLK_FREQ	33000000 /* external frequency to pll   */

/***********************************************************
 * Command definitions
 ***********************************************************/
#define MIP405_COMMON_CMDS \
		       (CONFIG_CMD_DFL	| \
			CFG_CMD_CACHE	| \
			CFG_CMD_DATE	| \
			CFG_CMD_DHCP	| \
			CFG_CMD_EEPROM	| \
			CFG_CMD_ELF	| \
			CFG_CMD_FAT	| \
			CFG_CMD_I2C	| \
			CFG_CMD_IDE	| \
			CFG_CMD_IRQ	| \
			CFG_CMD_JFFS2	| \
			CFG_CMD_MII	| \
			CFG_CMD_PCI	| \
			CFG_CMD_PING	| \
			CFG_CMD_REGINFO | \
			CFG_CMD_SAVES	| \
			CFG_CMD_BSP	)

#if defined(CONFIG_MIP405T)
#define CONFIG_COMMANDS		\
			MIP405_COMMON_CMDS
#else
#define CONFIG_COMMANDS		\
			(MIP405_COMMON_CMDS | \
			CFG_CMD_USB	| \
			CFG_CMD_DOC	)

#endif

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

#define CFG_NAND_LEGACY

#define	 CFG_HUSH_PARSER
#define	 CFG_PROMPT_HUSH_PS2 "> "
/**************************************************************
 * I2C Stuff:
 * the MIP405 is equiped with an Atmel 24C128/256 EEPROM at address
 * 0x53.
 * The Atmel EEPROM uses 16Bit addressing.
 ***************************************************************/

#define CONFIG_HARD_I2C			/* I2c with hardware support */
#define CFG_I2C_SPEED		50000	/* I2C speed and slave address */
#define CFG_I2C_SLAVE		0x7F

#define CFG_I2C_EEPROM_ADDR	0x53	/* EEPROM 24C128/256		*/
#define CFG_I2C_EEPROM_ADDR_LEN	2	/* Bytes of address		*/
/* mask of address bits that overflow into the "EEPROM chip address"    */
#undef CFG_I2C_EEPROM_ADDR_OVERFLOW
#define CFG_EEPROM_PAGE_WRITE_BITS 6	/* The Atmel 24C128/256 has	*/
					/* 64 byte page write mode using*/
					/* last	6 bits of the address	*/
#define CFG_EEPROM_PAGE_WRITE_ENABLE	/* enable Page write */
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	10	/* and takes up to 10 msec */


#define CFG_ENV_IS_IN_EEPROM	1	/* use EEPROM for environment vars */
#define CFG_ENV_OFFSET		0x00000	/* environment starts at the beginning of the EEPROM */
#define CFG_ENV_SIZE		0x00800	/* 2k bytes may be used for env vars */

/***************************************************************
 * Definitions for Serial Presence Detect EEPROM address
 * (to get SDRAM settings)
 ***************************************************************/
/*#define SDRAM_EEPROM_WRITE_ADDRESS	0xA0
#define SDRAM_EEPROM_READ_ADDRESS 	0xA1
*/
/**************************************************************
 * Environment definitions
 **************************************************************/
#define CONFIG_BAUDRATE		9600	/* STD Baudrate */
#define CONFIG_BOOTDELAY	5
/* autoboot (do NOT change this set environment variable "bootdelay" to -1 instead) */
/* #define CONFIG_BOOT_RETRY_TIME	-10	/XXX* feature is available but not enabled */
#define CONFIG_ZERO_BOOTDELAY_CHECK  	/* check console even if bootdelay = 0 */

#define CONFIG_BOOTCOMMAND	"diskboot 400000 0:1; bootm" /* autoboot command		*/
#define CONFIG_BOOTARGS		"console=ttyS0,9600 root=/dev/hda5" /* boot arguments */

#define CONFIG_IPADDR		10.0.0.100
#define CONFIG_SERVERIP		10.0.0.1
#define CONFIG_PREBOOT
/***************************************************************
 * defines if the console is stored in the environment
 ***************************************************************/
#define CFG_CONSOLE_IS_IN_ENV	/* stdin, stdout and stderr are in evironment */
/***************************************************************
 * defines if an overwrite_console function exists
 *************************************************************/
#define CFG_CONSOLE_OVERWRITE_ROUTINE
#define CFG_CONSOLE_INFO_QUIET
/***************************************************************
 * defines if the overwrite_console should be stored in the
 * environment
 **************************************************************/
#undef CFG_CONSOLE_ENV_OVERWRITE

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

#define CONFIG_MISC_INIT_R
/***********************************************************
 * 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	0x0100000	/* memtest works on	*/
#define CFG_MEMTEST_END		0x0C00000	/* 1 ... 12 MB in DRAM	*/

#undef	CFG_EXT_SERIAL_CLOCK	       /* no external serial clock used */
#define CFG_BASE_BAUD       916667

/* The following table includes the supported baudrates */
#define CFG_BAUDRATE_TABLE	\
	{ 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,     \
	 57600, 115200, 230400, 460800, 921600 }

#define CFG_LOAD_ADDR	0x400000	/* default load address */
#define CFG_EXTBDINFO	1		/* To use extended board_into (bd_t) */

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

/*-----------------------------------------------------------------------
 * PCI stuff
 *-----------------------------------------------------------------------
 */
#define PCI_HOST_ADAPTER 0              /* configure as pci adapter     */
#define PCI_HOST_FORCE  1               /* configure as pci host        */
#define PCI_HOST_AUTO   2               /* detected via arbiter enable  */

#define CONFIG_PCI			/* include pci support		*/
#define CONFIG_PCI_HOST PCI_HOST_FORCE	/* configure as pci-host	*/
#define CONFIG_PCI_PNP			/* pci plug-and-play		*/
					/* resource configuration	*/
#define CFG_PCI_SUBSYS_VENDORID 0x0000	/* PCI Vendor ID: to-do!!!	*/
#define CFG_PCI_SUBSYS_DEVICEID 0x0000	/* PCI Device ID: to-do!!!	*/
#define CFG_PCI_PTM1LA	0x00000000	/* point to sdram		*/
#define CFG_PCI_PTM1MS	0x80000001	/* 2GB, enable hard-wired to 1	*/
#define CFG_PCI_PTM1PCI 0x00000000      /* Host: use this pci address   */
#define CFG_PCI_PTM2LA	0x00000000	/* disabled			*/
#define CFG_PCI_PTM2MS	0x00000000	/* disabled			*/
#define CFG_PCI_PTM2PCI 0x00000000      /* Host: use this pci address   */

/*-----------------------------------------------------------------------
 * 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_FLASH_BASE		0xFFF80000
#define CFG_MONITOR_BASE	CFG_FLASH_BASE
#define CFG_MONITOR_LEN		(512 * 1024)	/* Reserve 512 kB for Monitor	*/
#define CFG_MALLOC_LEN		(1024 * 1024)	/* Reserve 1024 kB for malloc()	*/

/*
 * 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.
 */