sbc8641d.h

U-boot源码 ARM7启动代码

#define CFG_PCI1_MEM_SIZE	0x20000000	/* 512M */
#define CFG_PCI1_IO_BASE	0xe2000000
#define CFG_PCI1_IO_PHYS	CFG_PCI1_IO_BASE
#define CFG_PCI1_IO_SIZE	0x1000000	/* 16M */

/* PCI view of System Memory */
#define CFG_PCI_MEMORY_BUS      0x00000000
#define CFG_PCI_MEMORY_PHYS     0x00000000
#define CFG_PCI_MEMORY_SIZE     0x80000000

#define CFG_PCI2_MEM_BASE	0xa0000000
#define CFG_PCI2_MEM_PHYS	CFG_PCI2_MEM_BASE
#define CFG_PCI2_MEM_SIZE	0x10000000	/* 256M */
#define CFG_PCI2_IO_BASE	0xe3000000
#define CFG_PCI2_IO_PHYS	CFG_PCI2_IO_BASE
#define CFG_PCI2_IO_SIZE	0x1000000	/* 16M */

#if defined(CONFIG_PCI)

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

#undef CFG_SCSI_SCAN_BUS_REVERSE

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

#undef CONFIG_EEPRO100
#undef CONFIG_TULIP

#if !defined(CONFIG_PCI_PNP)
    #define PCI_ENET0_IOADDR	0xe0000000
    #define PCI_ENET0_MEMADDR	0xe0000000
    #define PCI_IDSEL_NUMBER	0x0c 	/* slot0->3(IDSEL)=12->15 */
#endif

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

#define CONFIG_DOS_PARTITION
#undef 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

#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_TSEC1    1
#define CONFIG_TSEC1_NAME       "eTSEC1"
#define CONFIG_TSEC2    1
#define CONFIG_TSEC2_NAME       "eTSEC2"
#define CONFIG_TSEC3    1
#define CONFIG_TSEC3_NAME       "eTSEC3"
#define CONFIG_TSEC4    1
#define CONFIG_TSEC4_NAME       "eTSEC4"

#define TSEC1_PHY_ADDR		0x1F
#define TSEC2_PHY_ADDR		0x00
#define TSEC3_PHY_ADDR		0x01
#define TSEC4_PHY_ADDR		0x02
#define TSEC1_PHYIDX		0
#define TSEC2_PHYIDX		0
#define TSEC3_PHYIDX		0
#define TSEC4_PHYIDX		0
#define TSEC1_FLAGS		TSEC_GIGABIT
#define TSEC2_FLAGS		TSEC_GIGABIT
#define TSEC3_FLAGS		TSEC_GIGABIT
#define TSEC4_FLAGS		TSEC_GIGABIT

#define CFG_TBIPA_VALUE	0x1e	/* Set TBI address not to conflict with TSEC1_PHY_ADDR */

#define CONFIG_ETHPRIME		"eTSEC1"

#endif	/* CONFIG_TSEC_ENET */

/*
 * BAT0         2G     Cacheable, non-guarded
 * 0x0000_0000  2G     DDR
 */
#define CFG_DBAT0L	(BATL_PP_RW | BATL_MEMCOHERENCE)
#define CFG_DBAT0U	(BATU_BL_2G | BATU_VS | BATU_VP)
#define CFG_IBAT0L	(BATL_PP_RW | BATL_MEMCOHERENCE )
#define CFG_IBAT0U	CFG_DBAT0U

/*
 * BAT1         1G     Cache-inhibited, guarded
 * 0x8000_0000  512M   PCI-Express 1 Memory
 * 0xa000_0000  512M   PCI-Express 2 Memory
 *	Changed it for operating from 0xd0000000
 */
#define CFG_DBAT1L	( CFG_PCI1_MEM_BASE | BATL_PP_RW \
			| BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_DBAT1U	(CFG_PCI1_MEM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_IBAT1L	(CFG_PCI1_MEM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT1U	CFG_DBAT1U

/*
 * BAT2         512M   Cache-inhibited, guarded
 * 0xc000_0000  512M   RapidIO Memory
 */
#define CFG_DBAT2L	(CFG_RIO_MEM_BASE | BATL_PP_RW \
			| BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_DBAT2U	(CFG_RIO_MEM_BASE | BATU_BL_512M | BATU_VS | BATU_VP)
#define CFG_IBAT2L	(CFG_RIO_MEM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT2U	CFG_DBAT2U

/*
 * BAT3         4M     Cache-inhibited, guarded
 * 0xf800_0000  4M     CCSR
 */
#define CFG_DBAT3L	( CFG_CCSRBAR | BATL_PP_RW \
			| BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_DBAT3U	(CFG_CCSRBAR | BATU_BL_4M | BATU_VS | BATU_VP)
#define CFG_IBAT3L	(CFG_CCSRBAR | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT3U	CFG_DBAT3U

/*
 * BAT4         32M    Cache-inhibited, guarded
 * 0xe200_0000  16M    PCI-Express 1 I/O
 * 0xe300_0000  16M    PCI-Express 2 I/0
 *    Note that this is at 0xe0000000
 */
#define CFG_DBAT4L	( CFG_PCI1_IO_BASE | BATL_PP_RW \
			| BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_DBAT4U	(CFG_PCI1_IO_BASE | BATU_BL_32M | BATU_VS | BATU_VP)
#define CFG_IBAT4L	(CFG_PCI1_IO_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT4U	CFG_DBAT4U

/*
 * BAT5         128K   Cacheable, non-guarded
 * 0xe401_0000  128K   Init RAM for stack in the CPU DCache (no backing memory)
 */
#define CFG_DBAT5L	(CFG_INIT_RAM_ADDR | BATL_PP_RW | BATL_MEMCOHERENCE)
#define CFG_DBAT5U	(CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
#define CFG_IBAT5L	CFG_DBAT5L
#define CFG_IBAT5U	CFG_DBAT5U

/*
 * BAT6         32M    Cache-inhibited, guarded
 * 0xfe00_0000  32M    FLASH
 */
#define CFG_DBAT6L	((CFG_FLASH_BASE & 0xfe000000) | BATL_PP_RW \
			| BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_DBAT6U	((CFG_FLASH_BASE & 0xfe000000) | BATU_BL_32M | BATU_VS | BATU_VP)
#define CFG_IBAT6L	((CFG_FLASH_BASE & 0xfe000000) | BATL_PP_RW | BATL_MEMCOHERENCE)
#define CFG_IBAT6U	CFG_DBAT6U

#define CFG_DBAT7L	0x00000000
#define CFG_DBAT7U	0x00000000
#define CFG_IBAT7L	0x00000000
#define CFG_IBAT7U	0x00000000

/*
 * Environment
 */
#define CFG_ENV_IS_IN_FLASH	1
#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
#define CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
#define CFG_ENV_SIZE		0x2000

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

#include <config_cmd_default.h>
    #define CONFIG_CMD_PING
    #define CONFIG_CMD_I2C

#if defined(CONFIG_PCI)
    #define CONFIG_CMD_PCI
#endif

#undef CONFIG_WATCHDOG			/* watchdog disabled */

/*
 * Miscellaneous configurable options
 */
#define CFG_LONGHELP			/* undef to save memory	*/
#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*/

/* Cache Configuration */
#define CFG_DCACHE_SIZE		32768
#define CFG_CACHELINE_SIZE	32
#if defined(CONFIG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT	5	/*log base 2 of the above value*/
#endif

/*
 * 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_ETHADDR   02:E0:0C:00:00:01
#define CONFIG_ETH1ADDR  02:E0:0C:00:01:FD
#define CONFIG_ETH2ADDR  02:E0:0C:00:02:FD
#define CONFIG_ETH3ADDR  02:E0:0C:00:03:FD
#endif

#define CONFIG_HAS_ETH0		1
#define CONFIG_HAS_ETH1		1
#define CONFIG_HAS_ETH2		1
#define CONFIG_HAS_ETH3		1

#define CONFIG_IPADDR		192.168.0.50

#define CONFIG_HOSTNAME		sbc8641d
#define CONFIG_ROOTPATH		/opt/eldk/ppc_74xx
#define CONFIG_BOOTFILE		uImage

#define CONFIG_SERVERIP		192.168.0.2
#define CONFIG_GATEWAYIP	192.168.0.1
#define CONFIG_NETMASK		255.255.255.0

/* default location for tftp and bootm */
#define CONFIG_LOADADDR		1000000

#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"							\
   "consoledev=ttyS0\0"							\
   "ramdiskaddr=2000000\0"						\
   "ramdiskfile=uRamdisk\0"						\
   "dtbaddr=400000\0"							\
   "dtbfile=sbc8641d.dtb\0"						\
   "en-wd=mw.b f8100010 0x08; echo -expect:- 08; md.b f8100010 1\0"	\
   "dis-wd=mw.b f8100010 0x00; echo -expect:- 00; md.b f8100010 1\0"	\
   "maxcpus=1"

#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 $dtbaddr $dtbfile;"						\
   "bootm $loadaddr - $dtbaddr"

#define CONFIG_RAMBOOTCOMMAND						\
   "setenv bootargs root=/dev/ram rw "					\
      "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off "	\
      "console=$consoledev,$baudrate $othbootargs;"			\
   "tftp $ramdiskaddr $ramdiskfile;"					\
   "tftp $loadaddr $bootfile;"						\
   "tftp $dtbaddr $dtbfile;"						\
   "bootm $loadaddr $ramdiskaddr $dtbaddr"

#define CONFIG_FLASHBOOTCOMMAND						\
   "setenv bootargs root=/dev/ram rw "					\
      "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off "	\
      "console=$consoledev,$baudrate $othbootargs;"			\
   "bootm ffd00000 ffb00000 ffa00000"

#define CONFIG_BOOTCOMMAND  CONFIG_FLASHBOOTCOMMAND

#endif	/* __CONFIG_H */