mpc8544ds.h

uboot详细解读可用启动引导LINUX2.6内核

#define CFG_PCI_MEMORY_BUS	0x00000000
#define CFG_PCI_MEMORY_PHYS	0x00000000
#define CFG_PCI_MEMORY_SIZE	0x80000000

/* controller 2, Slot 1, tgtid 1, Base address 9000 */
#define CFG_PCIE2_MEM_BASE	0x80000000
#define CFG_PCIE2_MEM_PHYS	CFG_PCIE2_MEM_BASE
#define CFG_PCIE2_MEM_SIZE	0x20000000	/* 512M */
#define CFG_PCIE2_IO_BASE	0x00000000
#define CFG_PCIE2_IO_PHYS	0xe1010000
#define CFG_PCIE2_IO_SIZE	0x00010000	/* 64k */

/* controller 1, Slot 2,tgtid 2, Base address a000 */
#define CFG_PCIE1_MEM_BASE	0xa0000000
#define CFG_PCIE1_MEM_PHYS	CFG_PCIE1_MEM_BASE
#define CFG_PCIE1_MEM_SIZE	0x10000000	/* 256M */
#define CFG_PCIE1_IO_BASE	0x00000000
#define CFG_PCIE1_IO_PHYS	0xe1020000
#define CFG_PCIE1_IO_SIZE	0x00010000	/* 64k */

/* controller 3, direct to uli, tgtid 3, Base address b000 */
#define CFG_PCIE3_MEM_BASE	0xb0000000
#define CFG_PCIE3_MEM_PHYS	CFG_PCIE3_MEM_BASE
#define CFG_PCIE3_MEM_SIZE	0x00100000	/* 1M */
#define CFG_PCIE3_IO_BASE	0x00000000
#define CFG_PCIE3_IO_PHYS	0xb0100000	/* reuse mem LAW */
#define CFG_PCIE3_IO_SIZE	0x00100000	/* 1M */
#define CFG_PCIE3_MEM_BASE2	0xb0200000
#define CFG_PCIE3_MEM_PHYS2	CFG_PCIE3_MEM_BASE2
#define CFG_PCIE3_MEM_SIZE2	0x00200000	/* 1M */

#if defined(CONFIG_PCI)

/*PCIE video card used*/
#define VIDEO_IO_OFFSET		CFG_PCIE2_IO_PHYS

/*PCI video card used*/
/*#define VIDEO_IO_OFFSET	CFG_PCI1_IO_PHYS*/

/* video */
#define CONFIG_VIDEO

#if defined(CONFIG_VIDEO)
#define CONFIG_BIOSEMU
#define CONFIG_CFB_CONSOLE
#define CONFIG_VIDEO_SW_CURSOR
#define CONFIG_VGA_AS_SINGLE_DEVICE
#define CONFIG_ATI_RADEON_FB
#define CONFIG_VIDEO_LOGO
/*#define CONFIG_CONSOLE_CURSOR*/
#define CFG_ISA_IO_BASE_ADDRESS VIDEO_IO_OFFSET
#endif

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

#undef CONFIG_EEPRO100
#undef CONFIG_TULIP
#define CONFIG_RTL8139

#ifdef CONFIG_RTL8139
/* This macro is used by RTL8139 but not defined in PPC architecture */
#define KSEG1ADDR(x)		(x)
#define _IO_BASE	0x00000000
#endif

#ifndef CONFIG_PCI_PNP
	#define PCI_ENET0_IOADDR	CFG_PCI1_IO_BASE
	#define PCI_ENET0_MEMADDR	CFG_PCI1_IO_BASE
	#define PCI_IDSEL_NUMBER	0x11	/* IDSEL = AD11 */
#endif

#define CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
#define CONFIG_DOS_PARTITION
#define CONFIG_SCSI_AHCI

#ifdef CONFIG_SCSI_AHCI
#define CONFIG_SATA_ULI5288
#define CFG_SCSI_MAX_SCSI_ID	4
#define CFG_SCSI_MAX_LUN	1
#define CFG_SCSI_MAX_DEVICE	(CFG_SCSI_MAX_SCSI_ID * CFG_SCSI_MAX_LUN)
#define CFG_SCSI_MAXDEVICE	CFG_SCSI_MAX_DEVICE
#endif /* SCSCI */

#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_MII_DEFAULT_TSEC	1	/* Allow unregistered phys */
#define CONFIG_TSEC1	1
#define CONFIG_TSEC1_NAME	"eTSEC1"
#define CONFIG_TSEC3	1
#define CONFIG_TSEC3_NAME	"eTSEC3"

#define TSEC1_PHY_ADDR		0
#define TSEC3_PHY_ADDR		1

#define TSEC1_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
#define TSEC3_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)

#define TSEC1_PHYIDX		0
#define TSEC3_PHYIDX		0

#define CONFIG_ETHPRIME		"eTSEC1"

#define CONFIG_PHY_GIGE		1	/* Include GbE speed/duplex detection */
#endif	/* CONFIG_TSEC_ENET */

/*
 * Environment
 */
#define CFG_ENV_IS_IN_FLASH	1
#if CFG_MONITOR_BASE > 0xfff80000
#define CFG_ENV_ADDR		0xfff80000
#else
#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x70000)
#endif
#define CFG_ENV_SIZE		0x2000
#define CFG_ENV_SECT_SIZE	0x10000 /* 64K (one sector) */

#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>

#define CONFIG_CMD_PING
#define CONFIG_CMD_I2C
#define CONFIG_CMD_MII
#define CONFIG_CMD_ELF

#if defined(CONFIG_PCI)
    #define CONFIG_CMD_PCI
    #define CONFIG_CMD_BEDBUG
    #define CONFIG_CMD_NET
    #define CONFIG_CMD_SCSI
    #define CONFIG_CMD_EXT2
#endif


#undef CONFIG_WATCHDOG			/* watchdog disabled */

/*
 * Miscellaneous configurable options
 */
#define CFG_LONGHELP			/* undef to save memory	*/
#define CONFIG_CMDLINE_EDITING		/* Command-line editing */
#define CFG_LOAD_ADDR	0x2000000	/* default load address */
#define CFG_PROMPT	"=> "		/* Monitor Command Prompt */
#if defined(CONFIG_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*/

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

#if defined(CONFIG_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_HAS_ETH0
#define CONFIG_ETHADDR	00:E0:0C:02:00:FD
#define CONFIG_HAS_ETH1
#define CONFIG_ETH1ADDR	00:E0:0C:02:01:FD
#endif

#define CONFIG_IPADDR	192.168.1.251

#define CONFIG_HOSTNAME	8544ds_unknown
#define CONFIG_ROOTPATH	/nfs/mpc85xx
#define CONFIG_BOOTFILE	8544ds/uImage.uboot
#define CONFIG_UBOOTPATH	8544ds/u-boot.bin	/* TFTP server */

#define CONFIG_SERVERIP	192.168.1.1
#define CONFIG_GATEWAYIP 192.168.1.1
#define CONFIG_NETMASK	255.255.0.0

#define CONFIG_LOADADDR	1000000	/*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"						\
 "uboot=" MK_STR(CONFIG_UBOOTPATH) "\0"				\
 "tftpflash=tftpboot $loadaddr $uboot; "			\
	"protect off " MK_STR(TEXT_BASE) " +$filesize; "	\
	"erase " MK_STR(TEXT_BASE) " +$filesize; "		\
	"cp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize; "	\
	"protect on " MK_STR(TEXT_BASE) " +$filesize; "		\
	"cmp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize\0"	\
 "consoledev=ttyS0\0"				\
 "ramdiskaddr=2000000\0"			\
 "ramdiskfile=8544ds/ramdisk.uboot\0"		\
 "fdtaddr=c00000\0"				\
 "fdtfile=8544ds/mpc8544ds.dtb\0"		\
 "bdev=sda3\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;"		\
 "tftp $fdtaddr $fdtfile;"		\
 "bootm $loadaddr - $fdtaddr"

#define CONFIG_RAMBOOTCOMMAND		\
 "setenv bootargs root=/dev/ram rw "	\
 "console=$consoledev,$baudrate $othbootargs;"	\
 "tftp $ramdiskaddr $ramdiskfile;"	\
 "tftp $loadaddr $bootfile;"		\
 "tftp $fdtaddr $fdtfile;"		\
 "bootm $loadaddr $ramdiskaddr $fdtaddr"

#define CONFIG_BOOTCOMMAND		\
 "setenv bootargs root=/dev/$bdev rw "	\
 "console=$consoledev,$baudrate $othbootargs;"	\
 "tftp $loadaddr $bootfile;"		\
 "tftp $fdtaddr $fdtfile;"		\
 "bootm $loadaddr - $fdtaddr"

#endif	/* __CONFIG_H */