inka4x0.h

U-Boot1.1.2是最为常用的嵌入式系统Bootloader

/*
 * (C) Copyright 2003-2004
 * Wolfgang Denk, DENX Software Engineering, [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
 */

#ifndef __CONFIG_H
#define __CONFIG_H

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

#define CONFIG_MPC5xxx		1	/* This is an MPC5xxx CPU */
#define CONFIG_MPC5200		1	/* (more precisely an MPC5200 CPU) */
#define CONFIG_INKA4X0		1	/* INKA4x0 board */

#define CFG_MPC5XXX_CLKIN	33000000 /* ... running at 33.000000MHz */

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

#define CFG_CACHELINE_SIZE	32	/* For MPC5xxx CPUs */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#  define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value */
#endif

/*
 * Serial console configuration
 */
#define CONFIG_PSC_CONSOLE	1	/* console is on PSC1 */
#define CONFIG_BAUDRATE		115200	/* ... at 115200 bps */
#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }

/*
 * Supported commands
 */
#define CONFIG_COMMANDS	       (CONFIG_CMD_DFL | CFG_CMD_DHCP)

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

#if (TEXT_BASE == 0xFFE00000)		/* Boot low */
#   define CFG_LOWBOOT		1
#endif

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

#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"							\
	"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"			\
	"flash_nfs=run nfsargs addip;"					\
		"bootm $(kernel_addr)\0"				\
	"net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0"	\
	"rootpath=/opt/eldk/ppc_82xx\0"					\
	""

#define CONFIG_BOOTCOMMAND	"run net_nfs"

/*
 * IPB Bus clocking configuration.
 */
#define CFG_IPBSPEED_133		/* define for 133MHz speed */

/*
 * Flash configuration
 */
#define CFG_FLASH_BASE		0xFFE00000

#define CFG_FLASH_SIZE		0x00200000 /* 2 MByte */
#define CFG_MAX_FLASH_SECT	35	/* max num of sects on one chip */

#define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x4000) /* second sector */
#define CFG_MAX_FLASH_BANKS	1	/* max num of flash banks
					   (= chip selects) */
#define CFG_FLASH_ERASE_TOUT	240000	/* Flash Erase Timeout (in ms)	*/
#define CFG_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (in ms)	*/

/*
 * Environment settings
 */
#define CFG_ENV_IS_IN_FLASH	1
#define CFG_ENV_SIZE		0x2000
#define CFG_ENV_SECT_SIZE	0x2000
#define CONFIG_ENV_OVERWRITE	1

/*
 * Memory map
 */
#define CFG_MBAR		0xF0000000
#define CFG_SDRAM_BASE		0x00000000
#define CFG_DEFAULT_MBAR	0x80000000

#define CONFIG_MPC5200_DDR

/* Use ON-Chip SRAM until RAM will be available */
#define CFG_INIT_RAM_ADDR	MPC5XXX_SRAM
#ifdef CONFIG_POST
/* preserve space for the post_word at end of on-chip SRAM */
#define CFG_INIT_RAM_END	MPC5XXX_SRAM_POST_SIZE
#else
#define CFG_INIT_RAM_END	MPC5XXX_SRAM_SIZE
#endif


#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

#define CFG_MONITOR_BASE    TEXT_BASE
#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
#   define CFG_RAMBOOT		1
#endif

#define CFG_MONITOR_LEN		(192 << 10)	/* Reserve 192 kB for Monitor	*/
#define CFG_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()	*/
#define CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */

/*
 * Ethernet configuration
 */
#define CONFIG_MPC5xxx_FEC	1
/*
 * Define CONFIG_FEC_10MBIT to force FEC at 10Mb
 */
/* #define CONFIG_FEC_10MBIT 1 */
#define CONFIG_PHY_ADDR		0x00

/*
 * GPIO configuration
 *
 * use pin gpio_wkup_6 as second SDRAM chip select (mem_cs1):
 *	Bit 0 (mask: 0x80000000): 1
 * use ALT CAN position: Bits 2-3 (mask: 0x30000000):
 *	00 -> No Alternatives, I2C1 is used for onboard EEPROM
 *	01 -> CAN1 on I2C1, CAN2 on Tmr0/1 do not use on TQM5200 with onboard
 *	      EEPROM
 * use PSC1 as UART: Bits 28-31 (mask: 0x00000007): 0100
 * use PSC6_1 and PSC6_3 as GPIO: Bits 9:11 (mask: 0x07000000):
 *	011 -> PSC6 could not be used as UART or CODEC. IrDA still possible.
 * GPIO on PSC6_3 is used in post_hotkeys_pressed() to enable extended POST
 * tests.
 */
#if defined (CONFIG_MINIFAP)
#define CFG_GPS_PORT_CONFIG	0x93000004
#else
#define CFG_GPS_PORT_CONFIG	0x83000004
#endif

/*
 * RTC configuration
 */
#define CONFIG_RTC_MPC5200	1	/* use internal MPC5200 RTC */

/*
 * 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	*/

/* Enable an alternate, more extensive memory test */
#define CFG_ALT_MEMTEST

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

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

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

/*
 * Enable loopw commando. This has only affect, if CFG_CMD_MEM is defined,
 * which is normally part of the default commands (CFV_CMD_DFL)
 */
#define CONFIG_LOOPW

/*
 * Various low-level settings
 */
#if defined(CONFIG_MPC5200)
#define CFG_HID0_INIT		HID0_ICE | HID0_ICFI
#define CFG_HID0_FINAL		HID0_ICE
#else
#define CFG_HID0_INIT		0
#define CFG_HID0_FINAL		0
#endif

#define CFG_BOOTCS_START	CFG_FLASH_BASE
#define CFG_BOOTCS_SIZE		CFG_FLASH_SIZE
#define CFG_BOOTCS_CFG		0x00087800 /* for pci_clk  = 66 MHz */
#define CFG_CS0_START		CFG_FLASH_BASE
#define CFG_CS0_SIZE		CFG_FLASH_SIZE

#define CFG_CS_BURST		0x00000000
#define CFG_CS_DEADCYCLE	0x33333333

#endif /* __CONFIG_H */