stxssa.h

U-boot源码 ARM7启动代码

/*
 * (C) Copyright 2005 Embedded Alley Solutions, Inc.
 * Dan Malek <[e-mail]>
 * Copied from STx GP3.
 * Updates for Silicon Tx GP3 SSA board.
 *
 * (C) Copyright 2002,2003 Motorola,Inc.
 * Xianghua Xiao <[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
 */

/* mpc8560ads board configuration file */
/* please refer to doc/README.mpc85xx for more info */
/* make sure you change the MAC address and other network params first,
 * search for CONFIG_ETHADDR,CONFIG_SERVERIP,etc in this file
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/* High Level Configuration Options */
#define CONFIG_BOOKE		1	/* BOOKE		*/
#define CONFIG_E500		1	/* BOOKE e500 family	*/
#define CONFIG_MPC85xx		1	/* MPC8540/MPC8560	*/
#define CONFIG_CPM2		1	/* has CPM2 */
#define CONFIG_STXSSA		1	/* Silicon Tx GPPP SSA board specific*/

#define CONFIG_PCI			/* PCI ethernet support	*/
#define CONFIG_TSEC_ENET		/* tsec ethernet support*/
#undef CONFIG_ETHER_ON_FCC		/* cpm FCC ethernet support */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
#undef	CONFIG_DDR_ECC			/* only for ECC DDR module */
#undef CONFIG_DDR_DLL			/* possible DLL fix needed */
#define CONFIG_DDR_2T_TIMING		/* Sets the 2T timing bit */


/* sysclk for MPC85xx
 */

#define CONFIG_SYS_CLK_FREQ	33000000 /* most pci cards are 33Mhz */

/* Blinkin' LEDs for Robert :-)
*/
#define CONFIG_SHOW_ACTIVITY 1

/*
 * These can be toggled for performance analysis, otherwise use default.
 */
#define CONFIG_L2_CACHE				/* toggle L2 cache	       */
#define  CONFIG_BTB				/* toggle branch predition */
#define  CONFIG_ADDR_STREAMING			/* toggle addr streaming	*/

#define CONFIG_BOARD_EARLY_INIT_F   1	     	/* Call board_pre_init	 */

#undef	CFG_DRAM_TEST			    	/* memory test, takes time	*/
#define CFG_MEMTEST_START	0x00200000  	/* memtest region */
#define CFG_MEMTEST_END		0x00400000


/* Localbus connector.	There are many options that can be
 * connected here, including sdram or lots of flash.
 * This address, however, is used to configure a 256M local bus
 * window that includes the Config latch below.
 */
#define CFG_LBC_OPTION_BASE	0xF0000000	/* Localbus Extension */
#define CFG_LBC_OPTION_SIZE	256		/* 256MB */

/* There are various flash options used, we configure for the largest,
 * which is 64Mbytes.  The CFI works fine and will discover the proper
 * sizes.
 */
#ifdef CONFIG_STXSSA_4M
#define CFG_FLASH_BASE		0xFFC00000	/* start of  4 MiB flash */
#else
#define CFG_FLASH_BASE		0xFC000000	/* start of 64 MiB flash */
#endif
#define CFG_BR0_PRELIM	(CFG_FLASH_BASE | 0x1801) /* port size 32bit	 */
#define CFG_OR0_PRELIM	(CFG_FLASH_BASE | 0x0FF7)

#define CFG_FLASH_CFI		1
#define CFG_FLASH_CFI_DRIVER	1
#undef CFG_FLASH_USE_BUFFER_WRITE	/* use buffered writes (20x faster) */
#define CFG_MAX_FLASH_SECT	256	/* max number of sectors on one chip */
#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks	*/

#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }

#define CFG_FLASH_PROTECTION

/* The configuration latch is Chip Select 1.
 * It's an 8-bit latch in the lower 8 bits of the word.
 */
#define CFG_LBC_CFGLATCH_BASE	0xFB000000	/* Base of config latch */
#define CFG_BR1_PRELIM		0xFB001801	/* 32-bit port */
#define CFG_OR1_PRELIM		0xFFFF0FF7	/* 64K is enough */

#define CFG_MONITOR_BASE	TEXT_BASE	/* start of monitor	*/

#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
#define CFG_RAMBOOT
#else
#undef	CFG_RAMBOOT
#endif

#ifdef CFG_RAMBOOT
#define CFG_CCSRBAR_DEFAULT	0x40000000	/* CCSRBAR by BDI cfg	*/
#else
#define CFG_CCSRBAR_DEFAULT	0xff700000	/* CCSRBAR Default	*/
#endif
#define CFG_CCSRBAR		0xe0000000	/* relocated CCSRBAR	*/
#define CFG_IMMR		CFG_CCSRBAR	/* PQII uses CFG_IMMR	*/


/*
 * DDR Setup
 */

/*
 * Base addresses -- Note these are effective addresses where the
 * actual resources get mapped (not physical addresses)
 */
#define CFG_DDR_SDRAM_BASE	0x00000000	/* DDR is system memory  */
#define CFG_SDRAM_BASE		CFG_DDR_SDRAM_BASE

#define SPD_EEPROM_ADDRESS	0x54		/*  DDR DIMM */

#undef CONFIG_CLOCKS_IN_MHZ

/* local bus definitions */
#define CFG_BR2_PRELIM		0xf8001861	/* 64MB localbus SDRAM	*/
#define CFG_OR2_PRELIM		0xfc006901
#define CFG_LBC_LCRR		0x00030004	/* local bus freq	*/
#define CFG_LBC_LBCR		0x00000000
#define CFG_LBC_LSRT		0x20000000
#define CFG_LBC_MRTPR		0x20000000
#define CFG_LBC_LSDMR_1		0x2861b723
#define CFG_LBC_LSDMR_2		0x0861b723
#define CFG_LBC_LSDMR_3		0x0861b723
#define CFG_LBC_LSDMR_4		0x1861b723
#define CFG_LBC_LSDMR_5		0x4061b723

#define CONFIG_L1_INIT_RAM
#define CFG_INIT_RAM_LOCK	1
#define CFG_INIT_RAM_ADDR	0x60000000	/* Initial RAM address	*/
#define CFG_INIT_RAM_END	0x4000		/* End of used area in RAM */

#define CFG_GBL_DATA_SIZE	128		/* num bytes initial data */
#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET

#define CFG_MONITOR_LEN		(256 * 1024)	/* Reserve 256 kB for Mon */
#define CFG_MALLOC_LEN		(512 * 1024)	/* Reserved for malloc */

/* Serial Port */
#define CONFIG_CONS_INDEX     2
#undef	CONFIG_SERIAL_SOFTWARE_FIFO
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE	1
#define CFG_NS16550_CLK		get_bus_freq(0)

#define CFG_BAUDRATE_TABLE  \
	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 115200}

#define CFG_NS16550_COM1	(CFG_CCSRBAR+0x4500)
#define CFG_NS16550_COM2	(CFG_CCSRBAR+0x4600)

#define CONFIG_CMDLINE_EDITING	1	/* add command line history	*/
#define CFG_HUSH_PARSER		1	/* Use the HUSH parser		*/
#ifdef	CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "
#endif

/*
 * I2C
 */
#define CONFIG_FSL_I2C			/* Use FSL common I2C driver */
#define  CONFIG_HARD_I2C		/* 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
#undef CFG_I2C_NOPROBES
#define CFG_I2C_OFFSET		0x3000

/* I2C RTC */
#define CONFIG_RTC_DS1337		/* This is really a DS1339 RTC	*/
#define CFG_I2C_RTC_ADDR	0x68	/* at address 0x68		*/

/* I2C EEPROM.	AT24C32, we keep our environment in here.
*/
#define CFG_I2C_EEPROM_ADDR		0x51	/* 1010001x		*/
#define CFG_I2C_EEPROM_ADDR_LEN		2
#define CFG_EEPROM_PAGE_WRITE_BITS	5	/* =32 Bytes per write	*/
#define CFG_EEPROM_PAGE_WRITE_ENABLE
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	20

/*
 * Standard 8555 PCI mapping.
 * Addresses are mapped 1-1.
 */
#define CFG_PCI1_MEM_BASE	0x80000000
#define CFG_PCI1_MEM_PHYS	CFG_PCI1_MEM_BASE
#define CFG_PCI1_MEM_SIZE	0x20000000	/* 512M */
#define CFG_PCI1_IO_BASE	0x00000000
#define CFG_PCI1_IO_PHYS	0xe2000000
#define CFG_PCI1_IO_SIZE	0x01000000	/* 16M */

#define CFG_PCI2_MEM_BASE	0xa0000000
#define CFG_PCI2_MEM_PHYS	CFG_PCI2_MEM_BASE
#define CFG_PCI2_MEM_SIZE	0x20000000	/* 512M */
#define CFG_PCI2_IO_BASE	0x00000000
#define CFG_PCI2_IO_PHYS	0xe3000000
#define CFG_PCI2_IO_SIZE	0x01000000	/* 16M */

#if defined(CONFIG_PCI) 		/* PCI Ethernet card */
#define CONFIG_MPC85XX_PCI2	1
#define CONFIG_NET_MULTI
#define CONFIG_PCI_PNP			/* do pci plug-and-play */

#define CONFIG_EEPRO100
#define CONFIG_TULIP

#if !defined(CONFIG_PCI_PNP)
  #define PCI_ENET0_IOADDR	0xe0000000
  #define PCI_ENET0_MEMADDR	0xe0000000
  #define PCI_IDSEL_NUMBER	0x0c	/* slot0->3(IDSEL)=12->15 */
#endif

#define CONFIG_PCI_SCAN_SHOW
#define CFG_PCI_SUBSYS_VENDORID 0x1057	/* Motorola */

#endif /* CONFIG_PCI */

#if defined(CONFIG_TSEC_ENET)

#ifndef CONFIG_NET_MULTI
#define CONFIG_NET_MULTI	1
#endif

#define CONFIG_MII		1	/* MII PHY management		*/

#define CONFIG_TSEC1	1
#define CONFIG_TSEC1_NAME	"TSEC0"
#define CONFIG_TSEC2	1
#define CONFIG_TSEC2_NAME	"TSEC1"

#define TSEC1_PHY_ADDR		2
#define TSEC2_PHY_ADDR		4
#define TSEC1_PHYIDX		0
#define TSEC2_PHYIDX		0
#define TSEC1_FLAGS		TSEC_GIGABIT
#define TSEC2_FLAGS		TSEC_GIGABIT
#define CONFIG_ETHPRIME		"TSEC0"

#elif defined(CONFIG_ETHER_ON_FCC)	/* CPM FCC Ethernet */

#define CONFIG_ETHER_ON_FCC2		/* define if ether on FCC   */
#undef	CONFIG_ETHER_NONE		/* define if ether on something else */
#define CONFIG_ETHER_INDEX	2	/* which channel for ether  */

#if (CONFIG_ETHER_INDEX == 2)
  /*
   * - Rx-CLK is CLK13
   * - Tx-CLK is CLK14
   * - Select bus for bd/buffers
   * - Full duplex
   */
  #define CFG_CMXFCR_MASK	(CMXFCR_FC2 | CMXFCR_RF2CS_MSK | CMXFCR_TF2CS_MSK)
  #define CFG_CMXFCR_VALUE	(CMXFCR_RF2CS_CLK13 | CMXFCR_TF2CS_CLK14)
  #define CFG_CPMFCR_RAMTYPE	0
#if 0
  #define CFG_FCC_PSMR		(FCC_PSMR_FDE)
#else
  #define CFG_FCC_PSMR		0
#endif
  #define FETH2_RST		0x01
#elif (CONFIG_ETHER_INDEX == 3)
  /* need more definitions here for FE3 */
  #define FETH3_RST		0x80
#endif					/* CONFIG_ETHER_INDEX */

/* MDIO is done through the TSEC0 control.
*/
#define CONFIG_MII			/* MII PHY management */
#undef CONFIG_BITBANGMII		/* bit-bang MII PHY management	*/

#endif

/* Environment - default config is in flash, see below */
#if 0	/* in EEPROM */
# define CFG_ENV_IS_IN_EEPROM	1
# define CFG_ENV_OFFSET		0
# define CFG_ENV_SIZE		2048
#else	/* in flash */
# define CFG_ENV_IS_IN_FLASH	1
# ifdef CONFIG_STXSSA_4M
#  define CFG_ENV_SECT_SIZE	0x20000
# else	/* default configuration - 64 MiB flash */
#  define CFG_ENV_SECT_SIZE	0x40000
# endif
# define CFG_ENV_ADDR		(CFG_MONITOR_BASE - CFG_ENV_SECT_SIZE)
# define CFG_ENV_SIZE		0x4000
# define CFG_ENV_ADDR_REDUND	(CFG_ENV_ADDR - CFG_ENV_SECT_SIZE)
# define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)
#endif

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

#define	CONFIG_TIMESTAMP		/* Print image info with ts	*/


/*
 * BOOTP options
 */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME


/*
 * Command line configuration.
 */
#include <config_cmd_default.h>

#define CONFIG_CMD_DATE
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_I2C
#define CONFIG_CMD_NFS
#define CONFIG_CMD_PING
#define CONFIG_CMD_SNTP

#if defined(CONFIG_PCI)
    #define CONFIG_CMD_PCI
#endif

#if defined(CONFIG_TSEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
    #define CONFIG_CMD_MII
#endif

#if defined(CFG_RAMBOOT)
    #undef CONFIG_CMD_ENV
    #undef CONFIG_CMD_LOADS
#else
    #define CONFIG_CMD_ELF
#endif


#undef CONFIG_WATCHDOG			/* watchdog disabled		*/

/*
 * Miscellaneous configurable options
 */
#define CFG_LONGHELP			/* undef to save memory		*/
#define CFG_PROMPT	"SSA=> "	/* Monitor Command Prompt	*/
#if defined(CONFIG_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_LOAD_ADDR	0x1000000	/* default load address */
#define CFG_HZ		1000		/* decrementer freq: 1 ms ticks */

/*
 * 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.
 */
#define CFG_BOOTMAPSZ		(8 << 20) /* Initial Memory map for Linux */

/* Cache Configuration */
#define CFG_DCACHE_SIZE		32768
#define CFG_CACHELINE_SIZE	32
#if defined(CONFIG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value */
#endif

/*
 * Internal Definitions
 *
 * Boot Flags
 */
#define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM	0x02		/* Software reboot		*/

#if defined(CONFIG_CMD_KGDB)
#define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
#define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
#endif

/*Note: change below for your network setting!!! */
#if defined(CONFIG_TSEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
#define CONFIG_HAS_ETH0
#define CONFIG_ETHADDR	 00:e0:0c:07:9b:8a
#define CONFIG_HAS_ETH1
#define CONFIG_ETH1ADDR  00:e0:0c:07:9b:8b
#define CONFIG_HAS_ETH2
#define CONFIG_ETH2ADDR  00:e0:0c:07:9b:8c
#endif

/*
 * Environment in EEPROM is compatible with different flash sector sizes,
 * but only little space is available, so we use a very simple setup.
 * With environment in flash, we use a more powerful default configuration.
 */
#ifdef CFG_ENV_IS_IN_EEPROM		/* use restricted "standard" environment */

#define CONFIG_BAUDRATE		38400

#define CONFIG_BOOTDELAY	3	/* -1 disable autoboot */
#define CONFIG_BOOTCOMMAND	"bootm 0xffc00000 0xffd00000"
#define CONFIG_BOOTARGS		"root=/dev/nfs rw ip=any console=ttyS1,$baudrate"
#define CONFIG_SERVERIP 	192.168.85.1
#define CONFIG_IPADDR		192.168.85.60
#define CONFIG_GATEWAYIP	192.168.85.1
#define CONFIG_NETMASK		255.255.255.0
#define CONFIG_HOSTNAME 	STX_SSA
#define CONFIG_ROOTPATH 	/gppproot
#define CONFIG_BOOTFILE 	uImage
#define CONFIG_LOADADDR		0x1000000

#else /* ENV IS IN FLASH		-- use a full-blown envionment */

#define CONFIG_BAUDRATE		115200

#define CONFIG_BOOTDELAY	5	/* -1 disable autoboot */

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

#undef	CONFIG_BOOTARGS		/* the boot command will set bootargs	*/

#define	CONFIG_EXTRA_ENV_SETTINGS					\
	"hostname=gp3ssa\0"						\
	"bootfile=/tftpboot/gp3ssa/uImage\0"				\
	"loadaddr=400000\0"						\
	"netdev=eth0\0"							\
	"consdev=ttyS1\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"			\
	"addcons=setenv bootargs $bootargs "				\
		"console=$consdev,$baudrate\0"				\
	"flash_nfs=run nfsargs addip addcons;"				\
		"bootm $kernel_addr\0"					\
	"flash_self=run ramargs addip addcons;"				\
		"bootm $kernel_addr $ramdisk_addr\0"			\
	"net_nfs=tftp $loadaddr $bootfile;"				\
		"run nfsargs addip addcons;bootm\0"			\
	"rootpath=/opt/eldk/ppc_85xx\0"					\
	"kernel_addr=FC000000\0"					\
	"ramdisk_addr=FC200000\0"					\
	""
#define CONFIG_BOOTCOMMAND	"run flash_self"

#endif	/* CFG_ENV_IS_IN_EEPROM */

#endif	/* __CONFIG_H */