mpc8540ads.h

u-boot-1.1.6 源码包

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

/*
 * mpc8540ads 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_MPC8540		1	/* MPC8540 specific */
#define CONFIG_MPC8540ADS	1	/* MPC8540ADS board specific */

#ifndef CONFIG_HAS_FEC
#define CONFIG_HAS_FEC		1	/* 8540 has FEC */
#endif

#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_DLL			/* possible DLL fix needed */
#define CONFIG_DDR_2T_TIMING		/* Sets the 2T timing bit */

#define CONFIG_DDR_ECC			/* only for ECC DDR module */
#define CONFIG_MEM_INIT_VALUE		0xDeadBeef


/*
 * sysclk for MPC85xx
 *
 * Two valid values are:
 *    33000000
 *    66000000
 *
 * Most PCI cards are still 33Mhz, so in the presence of PCI, 33MHz
 * is likely the desired value here, so that is now the default.
 * The board, however, can run at 66MHz.  In any event, this value
 * must match the settings of some switches.  Details can be found
 * in the README.mpc85xxads.
 *
 * XXX -- Can't we run at 66 MHz, anyway?  PCI should drop to
 * 33MHz to accommodate, based on a PCI pin.
 * Note that PCI-X won't work at 33MHz.
 */

#ifndef CONFIG_SYS_CLK_FREQ
#define CONFIG_SYS_CLK_FREQ	33000000
#endif


/*
 * 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


/*
 * 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

#if defined(CONFIG_SPD_EEPROM)
    /*
     * Determine DDR configuration from I2C interface.
     */
    #define SPD_EEPROM_ADDRESS	0x51		/* DDR DIMM */

#else
    /*
     * Manually set up DDR parameters
     */
    #define CFG_SDRAM_SIZE	128		/* DDR is 128MB */
    #define CFG_DDR_CS0_BNDS	0x00000007	/* 0-128MB */
    #define CFG_DDR_CS0_CONFIG	0x80000002
    #define CFG_DDR_TIMING_1	0x37344321
    #define CFG_DDR_TIMING_2	0x00000800	/* P9-45,may need tuning */
    #define CFG_DDR_CONTROL	0xc2000000	/* unbuffered,no DYN_PWR */
    #define CFG_DDR_MODE	0x00000062	/* DLL,normal,seq,4/2.5 */
    #define CFG_DDR_INTERVAL	0x05200100	/* autocharge,no open page */
#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 16M */
#define CFG_BR0_PRELIM		0xff001801	/* port size 32bit */

#define CFG_OR0_PRELIM		0xff006ff7	/* 16MB Flash */
#define CFG_MAX_FLASH_BANKS	1		/* number of banks */
#define CFG_MAX_FLASH_SECT	64		/* 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 */

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

#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		0x20000000    /* 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_RFCR5	(3 << (31 - 16))
#define CFG_LBC_LSDMR_RFCR16	(7 << (31 - 16))
#define CFG_LBC_LSDMR_PRETOACT3	(3 << (31 - 19))
#define CFG_LBC_LSDMR_PRETOACT7	(7 << (31 - 19))
#define CFG_LBC_LSDMR_ACTTORW3	(3 << (31 - 22))
#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_WRC2	(2 << (31 - 27))
#define CFG_LBC_LSDMR_WRC4	(0 << (31 - 27))
#define CFG_LBC_LSDMR_BUFCMD	(1 << (31 - 29))
#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))

#define CFG_LBC_LSDMR_COMMON	( CFG_LBC_LSDMR_BSMA1516	\
				| CFG_LBC_LSDMR_RFCR5		\
				| CFG_LBC_LSDMR_PRETOACT3	\
				| CFG_LBC_LSDMR_ACTTORW3	\
				| CFG_LBC_LSDMR_BL8		\
				| CFG_LBC_LSDMR_WRC2		\
				| CFG_LBC_LSDMR_CL3		\
				| CFG_LBC_LSDMR_RFEN		\
				)

/*
 * SDRAM Controller configuration sequence.
 */
#define CFG_LBC_LSDMR_1		( CFG_LBC_LSDMR_COMMON \
				| CFG_LBC_LSDMR_OP_PCHALL)
#define CFG_LBC_LSDMR_2		( CFG_LBC_LSDMR_COMMON \
				| CFG_LBC_LSDMR_OP_ARFRSH)
#define CFG_LBC_LSDMR_3		( CFG_LBC_LSDMR_COMMON \
				| CFG_LBC_LSDMR_OP_ARFRSH)
#define CFG_LBC_LSDMR_4		( CFG_LBC_LSDMR_COMMON \
				| CFG_LBC_LSDMR_OP_MRW)
#define CFG_LBC_LSDMR_5		( CFG_LBC_LSDMR_COMMON \
				| CFG_LBC_LSDMR_OP_NORMAL)


/*
 * 32KB, 8-bit wide for ADS config reg
 */
#define CFG_BR4_PRELIM          0xf8000801
#define CFG_OR4_PRELIM		0xffffe1f1
#define CFG_BCSR		(CFG_BR4_PRELIM & 0xffff8000)

#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