mpc8541cds.h

嵌入式试验箱S3C2410的bootloader源代码

 *    disable buffer ctrl OR[19]    = 0
 *    CSNT                OR[20]    = 1
 *    ACS                 OR[21:22] = 11
 *    XACS                OR[23]    = 1
 *    SCY 15 wait states  OR[24:27] = 1111	max is suboptimal but safe
 *    SETA                OR[28]    = 0
 *    TRLX                OR[29]    = 1
 *    EHTR                OR[30]    = 1
 *    EAD extra time      OR[31]    = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1111 1111 0000 0000 1111 1111 0111 = fff00ff7
 */

#define CADMUS_BASE_ADDR 0xf8000000
#define CFG_BR3_PRELIM   0xf8000801
#define CFG_OR3_PRELIM   0xfff00ff7

#define CONFIG_L1_INIT_RAM
#define CFG_INIT_RAM_LOCK 	1
#define CFG_INIT_RAM_ADDR	0xe4010000	/* 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	    	(128 * 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)

/* Use the HUSH parser */
#define CFG_HUSH_PARSER
#ifdef  CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "
#endif

/* pass open firmware flat tree */
#define CONFIG_OF_FLAT_TREE	1
#define CONFIG_OF_BOARD_SETUP	1

/* maximum size of the flat tree (8K) */
#define OF_FLAT_TREE_MAX_SIZE	8192

#define OF_CPU			"PowerPC,8541@0"
#define OF_SOC			"soc8541@e0000000"
#define OF_TBCLK		(bd->bi_busfreq / 8)
#define OF_STDOUT_PATH		"/soc8541@e0000000/serial@4600"

/*
 * 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_EEPROM_ADDR	0x57
#define CFG_I2C_SLAVE		0x7F
#define CFG_I2C_NOPROBES        {0x69}	/* Don't probe these addrs */
#define CFG_I2C_OFFSET		0x3000

/*
 * General PCI
 * 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	0x100000	/* 1M */

#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	0xe2100000
#define CFG_PCI2_IO_SIZE	0x100000	/* 1M */


#if defined(CONFIG_PCI)

#define CONFIG_MPC85XX_PCI2
#define CONFIG_NET_MULTI
#define CONFIG_PCI_PNP	               	/* do pci plug-and-play */

#undef CONFIG_EEPRO100
#undef CONFIG_TULIP

#undef CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
#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_MPC85XX_TSEC1	1
#define CONFIG_MPC85XX_TSEC1_NAME	"TSEC0"
#define CONFIG_MPC85XX_TSEC2	1
#define CONFIG_MPC85XX_TSEC2_NAME	"TSEC1"
#undef CONFIG_MPC85XX_FEC
#define TSEC1_PHY_ADDR		0
#define TSEC2_PHY_ADDR		1
#define FEC_PHY_ADDR		3
#define TSEC1_PHYIDX		0
#define TSEC2_PHYIDX		0
#define FEC_PHYIDX		0

/* Options are: TSEC[0-1] */
#define CONFIG_ETHPRIME		"TSEC0"

#endif	/* CONFIG_TSEC_ENET */

/*
 * Environment
 */
#define CFG_ENV_IS_IN_FLASH	1
#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
#define CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
#define CFG_ENV_SIZE		0x2000

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

#if defined(CONFIG_PCI)
#define  CONFIG_COMMANDS	(CONFIG_CMD_DFL \
				| CFG_CMD_PCI \
				| CFG_CMD_PING \
				| CFG_CMD_I2C \
				| CFG_CMD_MII)
#else
#define  CONFIG_COMMANDS	(CONFIG_CMD_DFL \
				| CFG_CMD_PING \
				| CFG_CMD_I2C \
				| CFG_CMD_MII)
#endif
#include <cmd_confdefs.h>

#undef CONFIG_WATCHDOG			/* watchdog disabled */

/*
 * Miscellaneous configurable options
 */
#define CFG_LONGHELP			/* undef to save memory	*/
#define CFG_LOAD_ADDR	0x2000000	/* default load address */
#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_HZ		1000		/* decrementer freq: 1ms 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 (CONFIG_COMMANDS & CFG_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 (CONFIG_COMMANDS & CFG_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

/*
 * Environment Configuration
 */

/* The mac addresses for all ethernet interface */
#if defined(CONFIG_TSEC_ENET)
#define CONFIG_ETHADDR   00:E0:0C:00:00:FD
#define CONFIG_HAS_ETH1
#define CONFIG_ETH1ADDR  00:E0:0C:00:01:FD
#define CONFIG_HAS_ETH2
#define CONFIG_ETH2ADDR  00:E0:0C:00:02:FD
#endif

#define CONFIG_IPADDR    192.168.1.253

#define CONFIG_HOSTNAME  unknown
#define CONFIG_ROOTPATH  /nfsroot
#define CONFIG_BOOTFILE  your.uImage

#define CONFIG_SERVERIP  192.168.1.1
#define CONFIG_GATEWAYIP 192.168.1.1
#define CONFIG_NETMASK   255.255.255.0

#define CONFIG_LOADADDR  200000   /*default location for tftp and bootm*/

#define CONFIG_BOOTDELAY 10       /* -1 disables auto-boot */
#undef  CONFIG_BOOTARGS           /* the boot command will set bootargs*/

#define CONFIG_BAUDRATE	115200

#define	CONFIG_EXTRA_ENV_SETTINGS				        \
   "netdev=eth0\0"                                                      \
   "consoledev=ttyS1\0"                                                 \
   "ramdiskaddr=600000\0"                                               \
   "ramdiskfile=your.ramdisk.u-boot\0"					\
   "fdtaddr=400000\0"							\
   "fdtfile=your.fdt.dtb\0"

#define CONFIG_NFSBOOTCOMMAND	                                        \
   "setenv bootargs root=/dev/nfs rw "                                  \
      "nfsroot=$serverip:$rootpath "                                    \
      "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
      "console=$consoledev,$baudrate $othbootargs;"                     \
   "tftp $loadaddr $bootfile;"                                          \
   "tftp $fdtaddr $fdtfile;"						\
   "bootm $loadaddr - $fdtaddr"

#define CONFIG_RAMBOOTCOMMAND \
   "setenv bootargs root=/dev/ram rw "                                  \
      "console=$consoledev,$baudrate $othbootargs;"                     \
   "tftp $ramdiskaddr $ramdiskfile;"                                    \
   "tftp $loadaddr $bootfile;"                                          \
   "bootm $loadaddr $ramdiskaddr"

#define CONFIG_BOOTCOMMAND  CONFIG_NFSBOOTCOMMAND

#endif	/* __CONFIG_H */