include/configs/bf533-stamp.h - github/trini/u-boot - Gitiles

 /*
  * U-boot - Configuration file for BF533 STAMP board
  */

 #ifndef __CONFIG_STAMP_H__
 #define __CONFIG_STAMP_H__

 #include <asm/blackfin-config-pre.h>

 #define CONFIG_RTC_BFIN			1

 #define CONFIG_PANIC_HANG 1

 #define CONFIG_BFIN_CPU	bf533-0.3
 #define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_BYPASS

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

 /*
  * Board settings
  */
 #define CONFIG_DRIVER_SMC91111	1
 #define CONFIG_SMC91111_BASE	0x20300300

 /* FLASH/ETHERNET uses the same address range */
 #define SHARED_RESOURCES	1

 /* Is I2C bit-banged? */
 #define CONFIG_SOFT_I2C		1

 /*
  * Software (bit-bang) I2C driver configuration
  */
 #define PF_SCL			PF3
 #define PF_SDA			PF2

 /*
  * Video splash screen support
  */
 #define  CONFIG_VIDEO		0

 /*
  * Clock settings
  */

 /* CONFIG_CLKIN_HZ is any value in Hz				*/
 #define CONFIG_CLKIN_HZ		11059200
 /* 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		36
 /* 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
 #define CONFIG_SPI_BAUD_INITBLOCK	4

 /*
  * Network settings
  */

 #if (CONFIG_DRIVER_SMC91111)
 #if 0
 #define	CONFIG_MII
 #endif

 /* network support */
 #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		STAMP
 #define CONFIG_ROOTPATH		/checkout/uClinux-dist/romfs

 /* To remove hardcoding and enable MAC storage in EEPROM  */
 /* #define CONFIG_ETHADDR		02:80:ad:20:31:b8 */
 #endif /* CONFIG_DRIVER_SMC91111 */

 /*
  * Flash settings
  */

 #define CFG_FLASH_CFI		/* The flash is CFI compatible  */
 #define CFG_FLASH_CFI_DRIVER	/* Use common CFI driver	*/
 #define	CFG_FLASH_CFI_AMD_RESET

 #define CFG_FLASH_BASE		0x20000000
 #define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks */
 #define CFG_MAX_FLASH_SECT	67	/* max number of sectors on one chip */

 #if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER)
 #define CFG_ENV_IS_IN_EEPROM	1
 #define CFG_ENV_OFFSET		0x4000
 #define CFG_ENV_HEADER		(CFG_ENV_OFFSET + 0x12A)	/* 0x12A is the length of LDR file header */
 #else
 #define CFG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_ADDR		0x20004000
 #define	CFG_ENV_OFFSET		(CFG_ENV_ADDR - CFG_FLASH_BASE)
 #endif

 #define	CFG_ENV_SIZE		0x2000
 #define CFG_ENV_SECT_SIZE	0x2000	/* Total Size of Environment Sector */
 #define	ENV_IS_EMBEDDED

 #define CFG_FLASH_ERASE_TOUT	30000	/* Timeout for Chip Erase (in ms) */
 #define CFG_FLASH_ERASEBLOCK_TOUT	5000	/* Timeout for Block Erase (in ms) */
 #define CFG_FLASH_WRITE_TOUT	1	/* Timeout for Flash Write (in ms) */

 /* JFFS Partition offset set  */
 #define CFG_JFFS2_FIRST_BANK 0
 #define CFG_JFFS2_NUM_BANKS  1
 /* 512k reserved for u-boot */
 #define CFG_JFFS2_FIRST_SECTOR	11

 /*
  * following timeouts shall be used once the
  * Flash real protection is enabled
  */
 #define CFG_FLASH_LOCK_TOUT	5	/* Timeout for Flash Set Lock Bit (in ms) */
 #define CFG_FLASH_UNLOCK_TOUT	10000	/* Timeout for Flash Clear Lock Bits (in ms) */

 /*
  * SDRAM settings & memory map
  */

 #define CONFIG_MEM_SIZE		128	/* 128, 64, 32, 16 */
 #define CONFIG_MEM_ADD_WDTH     11	/* 8, 9, 10, 11    */
 #define CONFIG_MEM_MT48LC64M4A2FB_7E	1

 #define CFG_MEMTEST_START	0x00000000	/* memtest works on */

 #define	CFG_SDRAM_BASE		0x00000000

 #define CFG_MAX_RAM_SIZE	(CONFIG_MEM_SIZE * 1024 *1024)
 #define CFG_MEMTEST_END		(CFG_MAX_RAM_SIZE - 0x80000 - 1)
 #define CONFIG_LOADADDR		0x01000000

 #define CFG_LOAD_ADDR		CONFIG_LOADADDR
 #define	CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
 #define CFG_MALLOC_LEN		(128 << 10)     /* Reserve 128 kB for malloc()	*/
 #define CFG_GBL_DATA_SIZE	0x4000		/* Reserve 16k for Global Data  */
 #define CONFIG_STACKSIZE	(128*1024)	/* regular stack */

 #define CFG_MONITOR_BASE		(CFG_MAX_RAM_SIZE - 0x40000)
 #define CFG_MALLOC_BASE		(CFG_MONITOR_BASE - CFG_MALLOC_LEN)
 #define CFG_GBL_DATA_ADDR	(CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
 #define CONFIG_STACKBASE	(CFG_GBL_DATA_ADDR  - 4)

 /* Check to make sure everything fits in SDRAM */
 #if ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) > CFG_MAX_RAM_SIZE)
 	#error Memory Map does not fit into configuration
 #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

 /*
  * Command settings
  */

 #define CFG_LONGHELP		1
 #define CONFIG_CMDLINE_EDITING	1

 #define CFG_AUTOLOAD		"no"	/*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 CONFIG_BOOTDELAY	5
 #define CONFIG_BOOT_RETRY_TIME	-1	/* Enable this if bootretry required, currently its disabled */
 #define CONFIG_BOOTCOMMAND	"run ramboot"

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


 #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 0x2003FFFF; erase 0x20000000 0x2003FFFF;" \
 		"cp.b $(loadaddr) 0x20000000 $(filesize)\0" \
 	""

 #ifdef CONFIG_SOFT_I2C
 #if (!CONFIG_SOFT_I2C)
 #undef CONFIG_SOFT_I2C
 #endif
 #endif


 /*
  * 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_ELF
 #define CONFIG_CMD_CACHE
 #define CONFIG_CMD_JFFS2
 #define CONFIG_CMD_EEPROM
 #define CONFIG_CMD_DATE

 #if (CONFIG_DRIVER_SMC91111)
 #define CONFIG_CMD_PING
 #endif

 #if (CONFIG_SOFT_I2C)
 #define CONFIG_CMD_I2C
 #endif

 #define CONFIG_CMD_DHCP


 /*
  * Console settings
  */

 #define CONFIG_BAUDRATE		57600
 #define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }

 #define	CFG_PROMPT		"bfin> "	/* 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 CONFIG_LOADS_ECHO	1

 /*
  * I2C settings
  * By default PF2 is used as SDA and PF3 as SCL on the Stamp board
  */
 #if (CONFIG_SOFT_I2C)

 #define I2C_INIT		(*pFIO_DIR |=  PF_SCL); asm("ssync;")
 #define I2C_ACTIVE		(*pFIO_DIR |=  PF_SDA); *pFIO_INEN &= ~PF_SDA; asm("ssync;")
 #define I2C_TRISTATE		(*pFIO_DIR &= ~PF_SDA); *pFIO_INEN |= PF_SDA; asm("ssync;")
 #define I2C_READ		((volatile)(*pFIO_FLAG_D & PF_SDA) != 0); asm("ssync;")
 #define I2C_SDA(bit)	if(bit) { \
 				*pFIO_FLAG_S = PF_SDA; \
 				asm("ssync;"); \
 				} \
 			else	{ \
 				*pFIO_FLAG_C = PF_SDA; \
 				asm("ssync;"); \
 				}
 #define I2C_SCL(bit)	if(bit) { \
 				*pFIO_FLAG_S = PF_SCL; \
 				asm("ssync;"); \
 				} \
 			else	{ \
 				*pFIO_FLAG_C = PF_SCL; \
 				asm("ssync;"); \
 				}
 #define I2C_DELAY		udelay(5)	/* 1/4 I2C clock duration */

 #define CFG_I2C_SPEED		50000
 #define CFG_I2C_SLAVE		0xFE
 #endif /* CONFIG_SOFT_I2C */

 /*
  * Compact Flash settings
  */

 /* Enabled below option for CF support */
 /* #define CONFIG_STAMP_CF	1 */

 #if defined(CONFIG_STAMP_CF) && defined(CONFIG_CMD_IDE)

 #define CONFIG_MISC_INIT_R	1
 #define CONFIG_DOS_PARTITION	1
 /*
  * IDE/ATA stuff
  */
 #undef  CONFIG_IDE_8xx_DIRECT		/* no pcmcia interface required */
 #undef  CONFIG_IDE_LED			/* no led for ide supported */
 #undef  CONFIG_IDE_RESET		/* no reset for ide supported */

 #define CFG_IDE_MAXBUS		1	/* max. 1 IDE busses */
 #define CFG_IDE_MAXDEVICE	(CFG_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */

 #define CFG_ATA_BASE_ADDR	0x20200000
 #define CFG_ATA_IDE0_OFFSET	0x0000

 #define CFG_ATA_DATA_OFFSET	0x0020	/* Offset for data I/O */
 #define CFG_ATA_REG_OFFSET	0x0020	/* Offset for normal register accesses */
 #define CFG_ATA_ALT_OFFSET	0x0007	/* Offset for alternate registers */

 #define CFG_ATA_STRIDE		2
 #endif

 /*
  * Miscellaneous configurable options
  */

 #define	CFG_HZ			1000	/* 1ms time tick */

 #define CFG_BOOTM_LEN		0x4000000/* Large Image Length, set to 64 Meg */

 #define CONFIG_SHOW_BOOT_PROGRESS 1	/* Show boot progress on LEDs */

 #define CONFIG_SPI

 #ifdef  CONFIG_VIDEO
 #if (CONFIG_VIDEO)
 #define CONFIG_SPLASH_SCREEN	1
 #define CONFIG_SILENT_CONSOLE	1
 #else
 #undef CONFIG_VIDEO
 #endif
 #endif

 /*
  * FLASH organization and environment definitions
  */

 #define CONFIG_EBIU_SDRRC_VAL  0x268
 #define CONFIG_EBIU_SDGCTL_VAL 0x911109
 #define CONFIG_EBIU_SDBCTL_VAL 0x37

 #define CONFIG_EBIU_AMGCTL_VAL		0xFF
 #define CONFIG_EBIU_AMBCTL0_VAL		0xBBC3BBC3
 #define CONFIG_EBIU_AMBCTL1_VAL		0x99B39983
 #define CF_CONFIG_EBIU_AMBCTL1_VAL		0x99B3ffc2

 #include <asm/blackfin-config-post.h>

 #endif
	/*
	* U-boot - Configuration file for BF533 STAMP board
	*/

	#ifndef __CONFIG_STAMP_H__
	#define __CONFIG_STAMP_H__

	#include <asm/blackfin-config-pre.h>

	#define CONFIG_RTC_BFIN 1

	#define CONFIG_PANIC_HANG 1

	#define CONFIG_BFIN_CPU bf533-0.3
	#define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_BYPASS

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

	/*
	* Board settings
	*/
	#define CONFIG_DRIVER_SMC91111 1
	#define CONFIG_SMC91111_BASE 0x20300300

	/* FLASH/ETHERNET uses the same address range */
	#define SHARED_RESOURCES 1

	/* Is I2C bit-banged? */
	#define CONFIG_SOFT_I2C 1

	/*
	* Software (bit-bang) I2C driver configuration
	*/
	#define PF_SCL PF3
	#define PF_SDA PF2

	/*
	* Video splash screen support
	*/
	#define CONFIG_VIDEO 0

	/*
	* Clock settings
	*/

	/* CONFIG_CLKIN_HZ is any value in Hz */
	#define CONFIG_CLKIN_HZ 11059200
	/* 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 36
	/* 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
	#define CONFIG_SPI_BAUD_INITBLOCK 4

	/*
	* Network settings
	*/

	#if (CONFIG_DRIVER_SMC91111)
	#if 0
	#define CONFIG_MII
	#endif

	/* network support */
	#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 STAMP
	#define CONFIG_ROOTPATH /checkout/uClinux-dist/romfs

	/* To remove hardcoding and enable MAC storage in EEPROM */
	/* #define CONFIG_ETHADDR 02:80:ad:20:31:b8 */
	#endif /* CONFIG_DRIVER_SMC91111 */

	/*
	* Flash settings
	*/

	#define CFG_FLASH_CFI /* The flash is CFI compatible */
	#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
	#define CFG_FLASH_CFI_AMD_RESET

	#define CFG_FLASH_BASE 0x20000000
	#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
	#define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */

	#if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER)
	#define CFG_ENV_IS_IN_EEPROM 1
	#define CFG_ENV_OFFSET 0x4000
	#define CFG_ENV_HEADER (CFG_ENV_OFFSET + 0x12A) /* 0x12A is the length of LDR file header */
	#else
	#define CFG_ENV_IS_IN_FLASH 1
	#define CFG_ENV_ADDR 0x20004000
	#define CFG_ENV_OFFSET (CFG_ENV_ADDR - CFG_FLASH_BASE)
	#endif

	#define CFG_ENV_SIZE 0x2000
	#define CFG_ENV_SECT_SIZE 0x2000 /* Total Size of Environment Sector */
	#define ENV_IS_EMBEDDED

	#define CFG_FLASH_ERASE_TOUT 30000 /* Timeout for Chip Erase (in ms) */
	#define CFG_FLASH_ERASEBLOCK_TOUT 5000 /* Timeout for Block Erase (in ms) */
	#define CFG_FLASH_WRITE_TOUT 1 /* Timeout for Flash Write (in ms) */

	/* JFFS Partition offset set */
	#define CFG_JFFS2_FIRST_BANK 0
	#define CFG_JFFS2_NUM_BANKS 1
	/* 512k reserved for u-boot */
	#define CFG_JFFS2_FIRST_SECTOR 11

	/*
	* following timeouts shall be used once the
	* Flash real protection is enabled
	*/
	#define CFG_FLASH_LOCK_TOUT 5 /* Timeout for Flash Set Lock Bit (in ms) */
	#define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */

	/*
	* SDRAM settings & memory map
	*/

	#define CONFIG_MEM_SIZE 128 /* 128, 64, 32, 16 */
	#define CONFIG_MEM_ADD_WDTH 11 /* 8, 9, 10, 11 */
	#define CONFIG_MEM_MT48LC64M4A2FB_7E 1

	#define CFG_MEMTEST_START 0x00000000 /* memtest works on */

	#define CFG_SDRAM_BASE 0x00000000

	#define CFG_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 *1024)
	#define CFG_MEMTEST_END (CFG_MAX_RAM_SIZE - 0x80000 - 1)
	#define CONFIG_LOADADDR 0x01000000

	#define CFG_LOAD_ADDR CONFIG_LOADADDR
	#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
	#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
	#define CFG_GBL_DATA_SIZE 0x4000 /* Reserve 16k for Global Data */
	#define CONFIG_STACKSIZE (1281024) / regular stack */

	#define CFG_MONITOR_BASE (CFG_MAX_RAM_SIZE - 0x40000)
	#define CFG_MALLOC_BASE (CFG_MONITOR_BASE - CFG_MALLOC_LEN)
	#define CFG_GBL_DATA_ADDR (CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
	#define CONFIG_STACKBASE (CFG_GBL_DATA_ADDR - 4)

	/* Check to make sure everything fits in SDRAM */
	#if ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) > CFG_MAX_RAM_SIZE)
	#error Memory Map does not fit into configuration
	#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

	/*
	* Command settings
	*/

	#define CFG_LONGHELP 1
	#define CONFIG_CMDLINE_EDITING 1

	#define CFG_AUTOLOAD "no" /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 CONFIG_BOOTDELAY 5
	#define CONFIG_BOOT_RETRY_TIME -1 /* Enable this if bootretry required, currently its disabled */
	#define CONFIG_BOOTCOMMAND "run ramboot"

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


	#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 0x2003FFFF; erase 0x20000000 0x2003FFFF;" \
	"cp.b $(loadaddr) 0x20000000 $(filesize)\0" \
	""

	#ifdef CONFIG_SOFT_I2C
	#if (!CONFIG_SOFT_I2C)
	#undef CONFIG_SOFT_I2C
	#endif
	#endif


	/*
	* 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_ELF
	#define CONFIG_CMD_CACHE
	#define CONFIG_CMD_JFFS2
	#define CONFIG_CMD_EEPROM
	#define CONFIG_CMD_DATE

	#if (CONFIG_DRIVER_SMC91111)
	#define CONFIG_CMD_PING
	#endif

	#if (CONFIG_SOFT_I2C)
	#define CONFIG_CMD_I2C
	#endif

	#define CONFIG_CMD_DHCP


	/*
	* Console settings
	*/

	#define CONFIG_BAUDRATE 57600
	#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }

	#define CFG_PROMPT "bfin> " /* 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 CONFIG_LOADS_ECHO 1

	/*
	* I2C settings
	* By default PF2 is used as SDA and PF3 as SCL on the Stamp board
	*/
	#if (CONFIG_SOFT_I2C)

	#define I2C_INIT (*pFIO_DIR \|= PF_SCL); asm("ssync;")
	#define I2C_ACTIVE (pFIO_DIR \|= PF_SDA); pFIO_INEN &= ~PF_SDA; asm("ssync;")
	#define I2C_TRISTATE (pFIO_DIR &= ~PF_SDA); pFIO_INEN \|= PF_SDA; asm("ssync;")
	#define I2C_READ ((volatile)(*pFIO_FLAG_D & PF_SDA) != 0); asm("ssync;")
	#define I2C_SDA(bit) if(bit) { \
	*pFIO_FLAG_S = PF_SDA; \
	asm("ssync;"); \
	} \
	else { \
	*pFIO_FLAG_C = PF_SDA; \
	asm("ssync;"); \
	}
	#define I2C_SCL(bit) if(bit) { \
	*pFIO_FLAG_S = PF_SCL; \
	asm("ssync;"); \
	} \
	else { \
	*pFIO_FLAG_C = PF_SCL; \
	asm("ssync;"); \
	}
	#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */

	#define CFG_I2C_SPEED 50000
	#define CFG_I2C_SLAVE 0xFE
	#endif /* CONFIG_SOFT_I2C */

	/*
	* Compact Flash settings
	*/

	/* Enabled below option for CF support */
	/* #define CONFIG_STAMP_CF 1 */

	#if defined(CONFIG_STAMP_CF) && defined(CONFIG_CMD_IDE)

	#define CONFIG_MISC_INIT_R 1
	#define CONFIG_DOS_PARTITION 1
	/*
	* IDE/ATA stuff
	*/
	#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
	#undef CONFIG_IDE_LED /* no led for ide supported */
	#undef CONFIG_IDE_RESET /* no reset for ide supported */

	#define CFG_IDE_MAXBUS 1 /* max. 1 IDE busses */
	#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS1) / max. 1 drives per IDE bus */

	#define CFG_ATA_BASE_ADDR 0x20200000
	#define CFG_ATA_IDE0_OFFSET 0x0000

	#define CFG_ATA_DATA_OFFSET 0x0020 /* Offset for data I/O */
	#define CFG_ATA_REG_OFFSET 0x0020 /* Offset for normal register accesses */
	#define CFG_ATA_ALT_OFFSET 0x0007 /* Offset for alternate registers */

	#define CFG_ATA_STRIDE 2
	#endif

	/*
	* Miscellaneous configurable options
	*/

	#define CFG_HZ 1000 /* 1ms time tick */

	#define CFG_BOOTM_LEN 0x4000000/* Large Image Length, set to 64 Meg */

	#define CONFIG_SHOW_BOOT_PROGRESS 1 /* Show boot progress on LEDs */

	#define CONFIG_SPI

	#ifdef CONFIG_VIDEO
	#if (CONFIG_VIDEO)
	#define CONFIG_SPLASH_SCREEN 1
	#define CONFIG_SILENT_CONSOLE 1
	#else
	#undef CONFIG_VIDEO
	#endif
	#endif

	/*
	* FLASH organization and environment definitions
	*/

	#define CONFIG_EBIU_SDRRC_VAL 0x268
	#define CONFIG_EBIU_SDGCTL_VAL 0x911109
	#define CONFIG_EBIU_SDBCTL_VAL 0x37

	#define CONFIG_EBIU_AMGCTL_VAL 0xFF
	#define CONFIG_EBIU_AMBCTL0_VAL 0xBBC3BBC3
	#define CONFIG_EBIU_AMBCTL1_VAL 0x99B39983
	#define CF_CONFIG_EBIU_AMBCTL1_VAL 0x99B3ffc2

	#include <asm/blackfin-config-post.h>

	#endif