mpc8541cds.h

U-Boot1.1.2是最为常用的嵌入式系统Bootloader

/*
 * Copyright 2004 Freescale Semiconductor.
 *
 * 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
 */

/*
 * mpc8541cds board configuration file
 *
 * Please refer to doc/README.mpc85xxcds for more info.
 *
 */
#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	/* MPC8540/60/55/41 */
#define CONFIG_MPC8541		1	/* MPC8541 specific */
#define CONFIG_MPC8541CDS	1	/* MPC8541CDS board specific */

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

/*
 * When initializing flash, if we cannot find the manufacturer ID,
 * assume this is the AMD flash associated with the CDS board.
 * This allows booting from a promjet.
 */
#define CONFIG_ASSUME_AMD_FLASH

#define MPC85xx_DDR_SDRAM_CLK_CNTL	/* 85xx has clock control reg */

#ifndef __ASSEMBLY__
extern unsigned long get_clock_freq(void);
#endif
#define CONFIG_SYS_CLK_FREQ	get_clock_freq() /* sysclk for MPC85xx */

/*
 * 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 works on */
#define CFG_MEMTEST_END		0x00400000

/*
 * Base addresses -- Note these are effective addresses where the
 * actual resources get mapped (not physical addresses)
 */
#define CFG_CCSRBAR_DEFAULT 	0xff700000	/* CCSRBAR Default */
#define CFG_CCSRBAR		0xe0000000	/* relocated CCSRBAR */
#define CFG_IMMR		CFG_CCSRBAR	/* PQII uses CFG_IMMR */

/*
 * DDR Setup
 */
#define CFG_DDR_SDRAM_BASE	0x00000000	/* DDR is system memory*/
#define CFG_SDRAM_BASE		CFG_DDR_SDRAM_BASE

#define SPD_EEPROM_ADDRESS	0x51		/* DDR DIMM */

/*
 * Make sure required options are set
 */
#ifndef CONFIG_SPD_EEPROM
#error ("CONFIG_SPD_EEPROM is required by MPC85555CDS")
#endif

/*
 * SDRAM on the Local Bus
 */
#define CFG_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
#define CFG_LBC_SDRAM_SIZE	64		/* LBC SDRAM is 64MB */
#define CFG_FLASH_BASE		0xff000000	/* start of FLASH 8M */

#define CFG_BR0_PRELIM		0xff801001	/* port size 16bit */
#define CFG_BR1_PRELIM		0xff001001	/* port size 16bit */

#define	CFG_OR0_PRELIM		0xff806e61	/* 8MB Flash */
#define	CFG_OR1_PRELIM		0xff806e61	/* 8MB Flash */

#define CFG_FLASH_BANKS_LIST	{0xff800000, CFG_FLASH_BASE}
#define CFG_MAX_FLASH_BANKS	2		/* number of banks */
#define CFG_MAX_FLASH_SECT	128		/* sectors per device */
#undef	CFG_FLASH_CHECKSUM
#define CFG_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
#define CFG_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */

#define CFG_MONITOR_BASE    	TEXT_BASE	/* start of monitor */

#define CFG_FLASH_CFI_DRIVER
#define CFG_FLASH_CFI
#define CFG_FLASH_EMPTY_INFO

#undef CONFIG_CLOCKS_IN_MHZ

/*
 * Local Bus Definitions
 */

/*
 * Base Register 2 and Option Register 2 configure SDRAM.
 * The SDRAM base address, CFG_LBC_SDRAM_BASE, is 0xf0000000.
 *
 * For BR2, need:
 *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
 *    port-size = 32-bits = BR2[19:20] = 11
 *    no parity checking = BR2[21:22] = 00
 *    SDRAM for MSEL = BR2[24:26] = 011
 *    Valid = BR[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
 *
 * FIXME: CFG_LBC_SDRAM_BASE should be masked and OR'ed into
 * FIXME: the top 17 bits of BR2.
 */

#define CFG_BR2_PRELIM          0xf0001861

/*
 * The SDRAM size in MB, CFG_LBC_SDRAM_SIZE, is 64.
 *
 * For OR2, need:
 *    64MB mask for AM, OR2[0:7] = 1111 1100
 *		   XAM, OR2[17:18] = 11
 *    9 columns OR2[19-21] = 010
 *    13 rows   OR2[23-25] = 100
 *    EAD set for extra time OR[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901
 */

#define CFG_OR2_PRELIM		0xfc006901

#define CFG_LBC_LCRR		0x00030004    /* LB clock ratio reg */
#define CFG_LBC_LBCR		0x00000000    /* LB config reg */
#define CFG_LBC_LSRT		0x20000000  /* LB sdram refresh timer */
#define CFG_LBC_MRTPR		0x00000000  /* LB refresh timer prescal*/

/*
 * LSDMR masks
 */
#define CFG_LBC_LSDMR_RFEN	(1 << (31 -  1))
#define CFG_LBC_LSDMR_BSMA1516	(3 << (31 - 10))
#define CFG_LBC_LSDMR_BSMA1617	(4 << (31 - 10))
#define CFG_LBC_LSDMR_RFCR16	(7 << (31 - 16))
#define CFG_LBC_LSDMR_PRETOACT7	(7 << (31 - 19))
#define CFG_LBC_LSDMR_ACTTORW7	(7 << (31 - 22))
#define CFG_LBC_LSDMR_ACTTORW6	(6 << (31 - 22))
#define CFG_LBC_LSDMR_BL8	(1 << (31 - 23))
#define CFG_LBC_LSDMR_WRC4	(0 << (31 - 27))
#define CFG_LBC_LSDMR_CL3	(3 << (31 - 31))

#define CFG_LBC_LSDMR_OP_NORMAL	(0 << (31 - 4))
#define CFG_LBC_LSDMR_OP_ARFRSH	(1 << (31 - 4))
#define CFG_LBC_LSDMR_OP_SRFRSH	(2 << (31 - 4))
#define CFG_LBC_LSDMR_OP_MRW	(3 << (31 - 4))
#define CFG_LBC_LSDMR_OP_PRECH	(4 << (31 - 4))
#define CFG_LBC_LSDMR_OP_PCHALL	(5 << (31 - 4))
#define CFG_LBC_LSDMR_OP_ACTBNK	(6 << (31 - 4))
#define CFG_LBC_LSDMR_OP_RWINV	(7 << (31 - 4))

/*
 * Common settings for all Local Bus SDRAM commands.
 * At run time, either BSMA1516 (for CPU 1.1)
 *                  or BSMA1617 (for CPU 1.0) (old)
 * is OR'ed in too.
 */
#define CFG_LBC_LSDMR_COMMON	( CFG_LBC_LSDMR_RFCR16		\
				| CFG_LBC_LSDMR_PRETOACT7	\
				| CFG_LBC_LSDMR_ACTTORW7	\
				| CFG_LBC_LSDMR_BL8		\
				| CFG_LBC_LSDMR_WRC4		\
				| CFG_LBC_LSDMR_CL3		\
				| CFG_LBC_LSDMR_RFEN		\
				)

/*
 * The CADMUS registers are connected to CS3 on CDS.
 * The new memory map places CADMUS at 0xf8000000.
 *
 * For BR3, need:
 *    Base address of 0xf8000000 = BR[0:16] = 1111 1000 0000 0000 0
 *    port-size = 8-bits  = BR[19:20] = 01
 *    no parity checking  = BR[21:22] = 00
 *    GPMC for MSEL       = BR[24:26] = 000
 *    Valid               = BR[31]    = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1000 0000 0000 0000 1000 0000 0001 = f8000801
 *
 * For OR3, need:
 *    1 MB mask for AM,   OR[0:16]  = 1111 1111 1111 0000 0
 *    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	    	(512 * 1024) /* Reserve 512 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

/* I2C */
#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 */

/*
 * 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	0xe2000000
#define CFG_PCI1_IO_PHYS	CFG_PCI1_IO_BASE
#define CFG_PCI1_IO_SIZE	0x1000000	/* 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	0xe3000000
#define CFG_PCI2_IO_PHYS	CFG_PCI2_IO_BASE
#define CFG_PCI2_IO_SIZE	0x1000000	/* 16M */


#if defined(CONFIG_PCI)

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

#undef CONFIG_EEPRO100
#undef 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

#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_TSEC2	1
#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
#define CONFIG_ETHPRIME		"MOTO ENET0"

#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=400000\0"                                               \
   "ramdiskfile=your.ramdisk.u-boot\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;"                                          \
   "bootm $loadaddr"

#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 */