bf537-stamp.h

U-boot源码 ARM7启动代码

/*
 * U-boot - Configuration file for BF537 STAMP board
 */

#ifndef __CONFIG_BF537_H__
#define __CONFIG_BF537_H__

#define CFG_LONGHELP		1
#define CONFIG_CMDLINE_EDITING	1
#define CONFIG_BAUDRATE		57600
/* Set default serial console for bf537 */
#define CONFIG_UART_CONSOLE	0
#define CONFIG_BF537		1
#define CONFIG_BOOTDELAY	5
/* define CONFIG_BF537_STAMP_LEDCMD to enable LED command*/
/*#define CONFIG_BF537_STAMP_LEDCMD	1*/

/*
 * Boot Mode Set
 * Blackfin can support several boot modes
 */
#define BF537_BYPASS_BOOT	0x0011	/* Bootmode 0: Execute from 16-bit externeal memory ( bypass BOOT ROM)  */
#define BF537_PARA_BOOT		0x0012	/* Bootmode 1: Boot from 8-bit or 16-bit flash                          */
#define BF537_SPI_MASTER_BOOT	0x0014	/* Bootmode 3: SPI master mode boot from SPI flash                      */
#define BF537_SPI_SLAVE_BOOT	0x0015	/* Bootmode 4: SPI slave mode boot from SPI flash                       */
#define BF537_TWI_MASTER_BOOT	0x0016	/* Bootmode 5: TWI master mode boot from EEPROM                         */
#define BF537_TWI_SLAVE_BOOT	0x0017	/* Bootmode 6: TWI slave mode boot from EEPROM                          */
#define BF537_UART_BOOT		0x0018	/* Bootmode 7: UART slave mdoe boot via UART host                       */
/* Define the boot mode */
#define BFIN_BOOT_MODE		BF537_BYPASS_BOOT

#define CONFIG_PANIC_HANG 1

#define ADSP_BF534		0x34
#define ADSP_BF536		0x36
#define ADSP_BF537		0x37
#define BFIN_CPU		ADSP_BF537

/* This sets the default state of the cache on U-Boot's boot */
#define CONFIG_ICACHE_ON
#define CONFIG_DCACHE_ON

/* Define if want to do post memory test */
#undef CONFIG_POST_TEST

/* Define where the uboot will be loaded by on-chip boot rom */
#define APP_ENTRY 0x00001000

#define CONFIG_RTC_BFIN		1
#define CONFIG_BOOT_RETRY_TIME	-1	/* Enable this if bootretry required, currently its disabled */

/* CONFIG_CLKIN_HZ is any value in Hz				*/
#define CONFIG_CLKIN_HZ		25000000
/* CONFIG_CLKIN_HALF controls what is passed to PLL 0=CLKIN	*/
/*						    1=CLKIN/2	*/
#define CONFIG_CLKIN_HALF	0
/* CONFIG_PLL_BYPASS controls if the PLL is used 0=don't bypass */
/*						    1=bypass PLL*/
#define CONFIG_PLL_BYPASS	0
/* CONFIG_VCO_MULT controls what the multiplier of the PLL is.	*/
/* Values can range from 1-64					*/
#define CONFIG_VCO_MULT			20
/* CONFIG_CCLK_DIV controls what the core clock divider is	*/
/* Values can be 1, 2, 4, or 8 ONLY				*/
#define CONFIG_CCLK_DIV			1
/* CONFIG_SCLK_DIV controls what the peripheral clock divider is*/
/* Values can range from 1-15					*/
#define CONFIG_SCLK_DIV			5
/* CONFIG_SPI_BAUD controls the SPI peripheral clock divider	*/
/* Values can range from 2-65535				*/
/* SCK Frequency = SCLK / (2 * CONFIG_SPI_BAUD)			*/
#define CONFIG_SPI_BAUD			2
#if (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT)
#define CONFIG_SPI_BAUD_INITBLOCK	4
#endif

#if ( CONFIG_CLKIN_HALF == 0 )
#define CONFIG_VCO_HZ ( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT )
#else
#define CONFIG_VCO_HZ (( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT ) / 2 )
#endif

#if (CONFIG_PLL_BYPASS == 0)
#define CONFIG_CCLK_HZ ( CONFIG_VCO_HZ / CONFIG_CCLK_DIV )
#define CONFIG_SCLK_HZ ( CONFIG_VCO_HZ / CONFIG_SCLK_DIV )
#else
#define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
#define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
#endif

#if (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT)
#if (CONFIG_SCLK_HZ / (2*CONFIG_SPI_BAUD) > 20000000)
#define CONFIG_SPI_FLASH_FAST_READ 1	/* Needed if SPI_CLK > 20 MHz */
#else
#undef CONFIG_SPI_FLASH_FAST_READ
#endif
#endif

#define CONFIG_MEM_SIZE			64	/* 128, 64, 32, 16 */
#define CONFIG_MEM_ADD_WDTH		10	/* 8, 9, 10, 11 */
#define CONFIG_MEM_MT48LC32M8A2_75	1

#define CONFIG_LOADS_ECHO		1

/*
 * rarpb, bootp or dhcp commands will perform only a
 * configuration lookup from the BOOTP/DHCP server
 * but not try to load any image using TFTP
 */
#define CFG_AUTOLOAD			"no"

/*
 * Network Settings
 */
/* network support */
#if (BFIN_CPU != ADSP_BF534)
#define CONFIG_IPADDR		192.168.0.15
#define CONFIG_NETMASK		255.255.255.0
#define CONFIG_GATEWAYIP	192.168.0.1
#define CONFIG_SERVERIP		192.168.0.2
#define CONFIG_HOSTNAME		BF537
#endif

#define CONFIG_ROOTPATH		/romfs
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR	02:80:ad:20:31:e8 */
/* This is the routine that copies the MAC in Flash to the 'ethaddr' setting */

#define CFG_LONGHELP		1
#define CONFIG_BOOTDELAY	5
#define CONFIG_BOOT_RETRY_TIME	-1	/* Enable this if bootretry required, currently its disabled */
#define CONFIG_BOOTCOMMAND 	"run ramboot"

#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) && defined(CONFIG_POST_TEST)
/* POST support */
#define CONFIG_POST 		( CFG_POST_MEMORY | \
				  CFG_POST_UART	  | \
				  CFG_POST_FLASH  | \
				  CFG_POST_ETHER  | \
				  CFG_POST_LED	  | \
				  CFG_POST_BUTTON)
#else
#undef CONFIG_POST
#endif

#ifdef CONFIG_POST
#define FLASH_START_POST_BLOCK	11	/* Should > = 11 */
#define FLASH_END_POST_BLOCK	71	/* Should < = 71 */
#endif

/* CF-CARD IDE-HDD Support */

/* #define CONFIG_BFIN_TRUE_IDE */	/* Add CF flash card support */
/* #define CONFIG_BFIN_CF_IDE */	/* Add CF flash card support */
/* #define CONFIG_BFIN_HDD_IDE */	/* Add IDE Disk Drive (HDD) support */

#if defined(CONFIG_BFIN_CF_IDE) || defined(CONFIG_BFIN_HDD_IDE) || defined(CONFIG_BFIN_TRUE_IDE)
# define CONFIG_BFIN_IDE	1
#endif

/*#define CONFIG_BF537_NAND */		/* Add nand flash support */

#define CONFIG_NETCONSOLE	1
#define CONFIG_NET_MULTI	1

/*
 * 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>

#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) || (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT)

#define CONFIG_CMD_ELF
#define CONFIG_CMD_I2C
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_JFFS2
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_DATE

#if (BFIN_CPU == ADSP_BF534)
#undef CONFIG_CMD_NET
#else
#define CONFIG_CMD_PING
#endif

#if defined(CONFIG_BFIN_CF_IDE) \
	|| defined(CONFIG_BFIN_HDD_IDE) \
	|| defined(CONFIG_BFIN_TRUE_IDE)
#define CONFIG_CMD_IDE
#endif

#endif

#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT)

#define CONFIG_CMD_DHCP

#if defined(CONFIG_POST)
#define CONFIG_CMD_DIAG
#endif

#ifdef CONFIG_BF537_NAND
#define CONFIG_CMD_NAND
#endif

#endif


#define CONFIG_BOOTARGS "root=/dev/mtdblock0 rw console=ttyBF0,57600"
#define CONFIG_LOADADDR	0x1000000

#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT)
#if (BFIN_CPU != ADSP_BF534)
#define CONFIG_EXTRA_ENV_SETTINGS				\
	"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0"	\
	"nfsargs=setenv bootargs root=/dev/nfs rw "		\
	"nfsroot=$(serverip):$(rootpath) console=ttyBF0,57600\0"\
	"addip=setenv bootargs $(bootargs) "			\
	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)"	\
	":$(hostname):eth0:off\0"				\
	"ramboot=tftpboot $(loadaddr) linux;"			\
	"run ramargs;run addip;bootelf\0"			\
	"nfsboot=tftpboot $(loadaddr) linux;"			\
	"run nfsargs;run addip;bootelf\0"			\
	"flashboot=bootm 0x20100000\0"				\
	"update=tftpboot $(loadaddr) u-boot.bin;"		\
	"protect off 0x20000000 0x2007FFFF;"			\
	"erase 0x20000000 0x2007FFFF;cp.b 0x1000000 0x20000000 $(filesize)\0"	\
	""
#else
#define CONFIG_EXTRA_ENV_SETTINGS				\
	"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0"	\
	"flashboot=bootm 0x20100000\0"				\
	""
#endif
#elif (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT)
#if (BFIN_CPU != ADSP_BF534)
#define CONFIG_EXTRA_ENV_SETTINGS				\
	"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0"	\
	"nfsargs=setenv bootargs root=/dev/nfs rw "		\
	"nfsroot=$(serverip):$(rootpath) console=ttyBF0,57600\0"\
	"addip=setenv bootargs $(bootargs) "			\
	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)"	\
	":$(hostname):eth0:off\0"				\
	"ramboot=tftpboot $(loadaddr) linux;"			\
	"run ramargs;run addip;bootelf\0"			\
	"nfsboot=tftpboot $(loadaddr) linux;"			\