katmai.h

U-boot源码 ARM7启动代码

/*
 * (C) Copyright 2007
 * Stefan Roese, DENX Software Engineering, [e-mail].
 *
 * (C) Copyright 2004 Paul Reynolds <[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
 */

/************************************************************************
 * katmai.h - configuration for AMCC Katmai (440SPe)
 ***********************************************************************/

#ifndef __CONFIG_H
#define __CONFIG_H

/*-----------------------------------------------------------------------
 * High Level Configuration Options
 *----------------------------------------------------------------------*/
#define CONFIG_KATMAI			1	/* Board is Katmai	*/
#define CONFIG_4xx			1	/* ... PPC4xx family	*/
#define CONFIG_440			1	/* ... PPC440 family	*/
#define CONFIG_440SPE			1	/* Specifc SPe support	*/
#undef	CFG_DRAM_TEST				/* Disable-takes long time */
#define CONFIG_SYS_CLK_FREQ	33333333	/* external freq to pll	*/

#define CONFIG_BOARD_EARLY_INIT_F 1	/* Call board_pre_init		*/
#define	CONFIG_MISC_INIT_F	1	/* Use misc_init_f()		*/
#undef  CONFIG_SHOW_BOOT_PROGRESS

/*-----------------------------------------------------------------------
 * Base addresses -- Note these are effective addresses where the
 * actual resources get mapped (not physical addresses)
 *----------------------------------------------------------------------*/
#define CFG_MONITOR_LEN		(256 * 1024)	/* Reserve 256 kB for Mon */
#define CFG_MALLOC_LEN		(512 * 1024)	/* Reserve 512 kB for malloc */

#define CFG_SDRAM_BASE		0x00000000	/* _must_ be 0		*/
#define CFG_FLASH_BASE		0xff000000	/* start of FLASH	*/
#define CFG_MONITOR_BASE	TEXT_BASE
#define CFG_PERIPHERAL_BASE	0xa0000000	/* internal peripherals	*/
#define CFG_ISRAM_BASE		0x90000000	/* internal SRAM	*/

#define CFG_PCI_MEMBASE		0x80000000	/* mapped PCI memory	*/
#define CFG_PCI_BASE		0xd0000000	/* internal PCI regs	*/
#define CFG_PCI_TARGBASE	CFG_PCI_MEMBASE

#define CFG_PCIE_MEMBASE	0xb0000000	/* mapped PCIe memory	*/
#define CFG_PCIE_MEMSIZE	0x01000000
#define CFG_PCIE_BASE		0xe0000000	/* PCIe UTL regs */

#define CFG_PCIE0_CFGBASE	0xc0000000
#define CFG_PCIE1_CFGBASE	0xc1000000
#define CFG_PCIE2_CFGBASE	0xc2000000
#define CFG_PCIE0_XCFGBASE	0xc3000000
#define CFG_PCIE1_XCFGBASE	0xc3001000
#define CFG_PCIE2_XCFGBASE	0xc3002000

/* System RAM mapped to PCI space */
#define CONFIG_PCI_SYS_MEM_BUS	CFG_SDRAM_BASE
#define CONFIG_PCI_SYS_MEM_PHYS	CFG_SDRAM_BASE
#define CONFIG_PCI_SYS_MEM_SIZE	(1024 * 1024 * 1024)

#define CFG_ACE_BASE		0xfe000000	/* Xilinx ACE controller - Compact Flash */

/*-----------------------------------------------------------------------
 * Initial RAM & stack pointer (placed in internal SRAM)
 *----------------------------------------------------------------------*/
#define CFG_TEMP_STACK_OCM	1
#define CFG_OCM_DATA_ADDR	CFG_ISRAM_BASE
#define CFG_INIT_RAM_ADDR	CFG_ISRAM_BASE	/* Initial RAM address	*/
#define CFG_INIT_RAM_END	0x2000		/* 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_POST_WORD_ADDR	(CFG_GBL_DATA_OFFSET - 0x4)
#define CFG_INIT_SP_OFFSET	CFG_POST_WORD_ADDR

/*-----------------------------------------------------------------------
 * Serial Port
 *----------------------------------------------------------------------*/
#define CONFIG_SERIAL_MULTI	1
#undef CONFIG_UART1_CONSOLE
#undef CFG_EXT_SERIAL_CLOCK
#define CONFIG_BAUDRATE		115200
#define CFG_BAUDRATE_TABLE  \
	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}

/*-----------------------------------------------------------------------
 * DDR SDRAM
 *----------------------------------------------------------------------*/
#define CONFIG_SPD_EEPROM	1	/* Use SPD EEPROM for setup	*/
#define SPD_EEPROM_ADDRESS	{0x51, 0x52}	/* SPD i2c spd addresses*/
#define CONFIG_DDR_ECC		1	/* with ECC support		*/
#undef  CONFIG_STRESS

/*-----------------------------------------------------------------------
 * I2C
 *----------------------------------------------------------------------*/
#define CONFIG_HARD_I2C		1	/* I2C with hardware support	*/
#undef	CONFIG_SOFT_I2C			/* I2C bit-banged		*/
#define CFG_I2C_SPEED		100000	/* I2C speed and slave address	*/
#define CFG_I2C_SLAVE		0x7F

#define CONFIG_I2C_MULTI_BUS
#define CONFIG_I2C_CMD_TREE
#define CFG_SPD_BUS_NUM		0	/* The I2C bus for SPD		*/

#define IIC0_BOOTPROM_ADDR	0x50
#define IIC0_ALT_BOOTPROM_ADDR	0x54

#define CFG_I2C_MULTI_EEPROMS
#define CFG_I2C_EEPROM_ADDR	(0x50)
#define CFG_I2C_EEPROM_ADDR_LEN 1
#define CFG_EEPROM_PAGE_WRITE_ENABLE
#define CFG_EEPROM_PAGE_WRITE_BITS 3
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10

/* I2C RTC */
#define CONFIG_RTC_M41T11	1
#define CFG_RTC_BUS_NUM		1	/* The I2C bus for RTC		*/
#define CFG_I2C_RTC_ADDR	0x68
#define CFG_M41T11_BASE_YEAR	1900	/* play along with linux	*/

/* I2C DTT */
#define CONFIG_DTT_ADM1021	1	/* ADM1021 temp sensor support	*/
#define CFG_DTT_BUS_NUM		1	/* The I2C bus for DTT		*/
/*
 * standard dtt sensor configuration - bottom bit will determine local or
 * remote sensor of the ADM1021, the rest determines index into
 * CFG_DTT_ADM1021 array below.
 */
#define CONFIG_DTT_SENSORS	{ 0, 1 }

/*
 * ADM1021 temp sensor configuration (see dtt/adm1021.c for details).
 * there will be one entry in this array for each two (dummy) sensors in
 * CONFIG_DTT_SENSORS.
 *
 * For Katmai board:
 * - only one ADM1021
 * - i2c addr 0x18
 * - conversion rate 0x02 = 0.25 conversions/second
 * - ALERT ouput disabled
 * - local temp sensor enabled, min set to 0 deg, max set to 85 deg
 * - remote temp sensor enabled, min set to 0 deg, max set to 85 deg
 */
#define CFG_DTT_ADM1021		{ { 0x18, 0x02, 0, 1, 0, 85, 1, 0, 58} }

/*-----------------------------------------------------------------------
 * Environment
 *----------------------------------------------------------------------*/
#define	CFG_ENV_IS_IN_FLASH	1	/* Environment uses flash	*/

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

#undef	CONFIG_BOOTARGS

#define	CONFIG_EXTRA_ENV_SETTINGS					\
	"netdev=eth0\0"							\
	"hostname=katmai\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"			\
	"addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
	"flash_nfs=run nfsargs addip addtty;"				\
		"bootm ${kernel_addr}\0"				\
	"flash_self=run ramargs addip addtty;"				\
		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;"     \
		"bootm\0"						\
	"rootpath=/opt/eldk/ppc_4xx\0"				\
	"bootfile=katmai/uImage\0"					\
	"kernel_addr=fff10000\0"					\
	"ramdisk_addr=fff20000\0"					\
	"initrd_high=30000000\0"					\
	"load=tftp 200000 katmai/u-boot.bin\0"				\
	"update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;"	\
		"cp.b ${fileaddr} fffc0000 ${filesize};"		\
		"setenv filesize;saveenv\0"				\
	"upd=run load;run update\0"					\
	"kozio=bootm ffc60000\0"					\
	"pciconfighost=1\0"						\
	""
#define CONFIG_BOOTCOMMAND	"run flash_self"

#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/

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


/*
 * 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>