mpc8260ads.h

AT91RM9200的完整启动代码：包括loader, boot及U-boot三部分均已编译通过！欢迎下载使用！

/*
 * (C) Copyright 2001
 * Stuart Hughes <[e-mail]>
 * This file is based on similar values for other boards found in other
 * U-Boot config files, and some that I found in the mpc8260ads manual.
 *
 * Note: my board is a PILOT rev.
 * Note: the mpc8260ads doesn't come with a proper Ethernet MAC address.
 *
 * 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
 */

/*
 * Config header file for a MPC8260ADS Pilot 16M Ram Simm, 8Mbytes Flash Simm
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * High Level Configuration Options
 * (easy to change)
 */

#define CONFIG_MPC8260		1	/* This is an MPC8260 CPU   */
#define CONFIG_MPC8260ADS	1	/* ...on motorola ads board */

#define CONFIG_BOARD_PRE_INIT	1	/* Call board_pre_init	*/

/* allow serial and ethaddr to be overwritten */
#define CONFIG_ENV_OVERWRITE

/*
 * select serial console configuration
 *
 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
 * for SCC).
 *
 * if CONFIG_CONS_NONE is defined, then the serial console routines must
 * defined elsewhere (for example, on the cogent platform, there are serial
 * ports on the motherboard which are used for the serial console - see
 * cogent/cma101/serial.[ch]).
 */
#undef	CONFIG_CONS_ON_SMC		/* define if console on SMC */
#define CONFIG_CONS_ON_SCC		/* define if console on SCC */
#undef	CONFIG_CONS_NONE		/* define if console on something else */
#define CONFIG_CONS_INDEX	1	/* which serial channel for console */

/*
 * select ethernet configuration
 *
 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
 * for FCC)
 *
 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
 * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
 * from CONFIG_COMMANDS to remove support for networking.
 */
#undef	CONFIG_ETHER_ON_SCC		/* define if ether on SCC   */
#define CONFIG_ETHER_ON_FCC		/* 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 (see 28-13)
 * - Half 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
# define CFG_FCC_PSMR		0

#endif	/* CONFIG_ETHER_INDEX */

/* other options */
#define CONFIG_HARD_I2C		1	/* To enable I2C support	*/
#define CFG_I2C_SPEED		400000	/* I2C speed and slave address	*/
#define CFG_I2C_SLAVE		0x7F

#if defined(CONFIG_SPD_EEPROM) && !defined(CONFIG_SPD_ADDR)
#define CONFIG_SPD_ADDR         0x50
#endif

#ifndef CONFIG_SDRAM_PBI
#define CONFIG_SDRAM_PBI        1 /* By default, use page-based interleaving */
#endif

#ifndef CONFIG_8260_CLKIN
#define CONFIG_8260_CLKIN	66666666	/* in Hz */
#endif
#define CONFIG_BAUDRATE		115200

#define CONFIG_COMMANDS		(CFG_CMD_ALL & ~( \
				 CFG_CMD_BEDBUG | \
				 CFG_CMD_BMP	| \
				 CFG_CMD_BSP	| \
				 CFG_CMD_DATE	| \
				 CFG_CMD_DOC	| \
				 CFG_CMD_DTT	| \
				 CFG_CMD_EEPROM | \
				 CFG_CMD_ELF    | \
				 CFG_CMD_FDC	| \
				 CFG_CMD_FDOS	| \
				 CFG_CMD_HWFLOW	| \
				 CFG_CMD_IDE	| \
				 CFG_CMD_JFFS2	| \
				 CFG_CMD_KGDB	| \
				 CFG_CMD_NAND	| \
				 CFG_CMD_MII	| \
				 CFG_CMD_MMC	| \
				 CFG_CMD_PCI	| \
				 CFG_CMD_PCMCIA | \
				 CFG_CMD_SCSI	| \
				 CFG_CMD_SPI	| \
				 CFG_CMD_VFD	| \
				 CFG_CMD_USB	) )

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


#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds */
#define CONFIG_BOOTCOMMAND	"bootm 100000"	/* autoboot command */
#define CONFIG_BOOTARGS		"root=/dev/ram rw"

#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#undef	CONFIG_KGDB_ON_SMC		/* define if kgdb on SMC */
#define CONFIG_KGDB_ON_SCC		/* define if kgdb on SCC */
#undef	CONFIG_KGDB_NONE		/* define if kgdb on something else */
#define CONFIG_KGDB_INDEX	2	/* which serial channel for kgdb */
#define CONFIG_KGDB_BAUDRATE	115200	/* speed to run kgdb serial port at */
#endif

#undef	CONFIG_WATCHDOG			/* disable platform specific watchdog */

/*
 * 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	0x00100000	/* memtest works on */
#define CFG_MEMTEST_END		0x00f00000	/* 1 ... 15 MB in DRAM	*/

#define CONFIG_CLOCKS_IN_MHZ	1	/* clocks passsed to Linux in MHz */
					/* for versions < 2.4.5-pre5	*/

#define CFG_LOAD_ADDR		0x100000	/* default load address */

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

#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }

#define CFG_FLASH_BASE		0xff800000
#define FLASH_BASE		0xff800000
#define CFG_MAX_FLASH_BANKS	1	/* max num of memory banks	*/
#define CFG_MAX_FLASH_SECT	32	/* max num of sects on one chip */
#define CFG_FLASH_SIZE		8
#define CFG_FLASH_ERASE_TOUT	8000	/* Timeout for Flash Erase (in ms)    */
#define CFG_FLASH_WRITE_TOUT	5	/* Timeout for Flash Write (in ms)    */

/* this is stuff came out of the Motorola docs */
#define CFG_DEFAULT_IMMR	0x0F010000

#define CFG_IMMR		0xF0000000
#define CFG_BCSR		0x04500000
#define CFG_SDRAM_BASE		0x00000000
#define CFG_LSDRAM_BASE		0x04000000

#define RS232EN_1		0x02000002
#define RS232EN_2		0x01000001
#define FETHIEN			0x08000008
#define FETH_RST		0x04000004

#define CFG_INIT_RAM_ADDR	CFG_IMMR
#define CFG_INIT_RAM_END	0x4000	/* End of used area in DPRAM	*/
#define CFG_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET


/* 0x0EA28205 */
#define CFG_HRCW_MASTER (   ( HRCW_BPS11 | HRCW_CIP )			    |\
			    ( HRCW_L2CPC10 | HRCW_DPPC10 | HRCW_ISB010 )    |\
			    ( HRCW_BMS | HRCW_APPC10 )			    |\
			    ( HRCW_MODCK_H0101 )			     \
			)

/* no slaves */
#define CFG_HRCW_SLAVE1 0
#define CFG_HRCW_SLAVE2 0
#define CFG_HRCW_SLAVE3 0
#define CFG_HRCW_SLAVE4 0
#define CFG_HRCW_SLAVE5 0
#define CFG_HRCW_SLAVE6 0
#define CFG_HRCW_SLAVE7 0

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

#define CFG_MONITOR_BASE    TEXT_BASE
#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
#   define CFG_RAMBOOT
#endif

#define CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
#define CFG_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()	*/
#define CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */

#ifndef CFG_RAMBOOT
#  define CFG_ENV_IS_IN_FLASH	1
#    define CFG_ENV_ADDR	(CFG_MONITOR_BASE + 0x40000)
#    define CFG_ENV_SECT_SIZE	0x40000
#else
#  define CFG_ENV_IS_IN_NVRAM	1
#  define CFG_ENV_ADDR		(CFG_MONITOR_BASE - 0x1000)
#  define CFG_ENV_SIZE		0x200
#endif /* CFG_RAMBOOT */


#define CFG_CACHELINE_SIZE	32	/* For MPC8260 CPU */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#  define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value */
#endif


#define CFG_HID0_INIT		0
#define CFG_HID0_FINAL		(HID0_ICE | HID0_IFEM | HID0_ABE )

#define CFG_HID2		0

#define CFG_SYPCR		0xFFFFFFC3
#define CFG_BCR			0x100C0000
#define CFG_SIUMCR		0x0A200000
#define CFG_SCCR		0x00000000
#define CFG_BR0_PRELIM		0xFF801801
#define CFG_OR0_PRELIM		0xFF800836
#define CFG_BR1_PRELIM		0x04501801
#define CFG_OR1_PRELIM		0xFFFF8010

#define CFG_RMR			0
#define CFG_TMCNTSC		(TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
#define CFG_PISCR		(PISCR_PS|PISCR_PTF|PISCR_PTE)
#define CFG_RCCR		0
#define CFG_PSDMR		0x016EB452
#define CFG_MPTPR		0x00001900
#define CFG_PSRT		0x00000021

#define CFG_RESET_ADDRESS	0x04400000

#endif /* __CONFIG_H */