include/configs/bf537-stamp.h - github/trini/u-boot - Gitiles

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

 #ifndef __CONFIG_BF537_H__
 #define __CONFIG_BF537_H__

 #include <asm/blackfin-config-pre.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 CONFIG_BFIN_CPU	bf537-0.2
 #define CONFIG_BFIN_MAC

 /* 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 */
 #ifdef CONFIG_BFIN_MAC
 #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

 #ifndef CONFIG_BFIN_MAC
 #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)
 #ifdef CONFIG_BFIN_MAC
 #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 $(filesize)\0"	\
 	""
 #else
 #define CONFIG_EXTRA_ENV_SETTINGS				\
 	"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0"	\
 	"flashboot=bootm 0x20100000\0"				\
 	""
 #endif
 #elif (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT)
 #ifdef CONFIG_BFIN_MAC
 #define CONFIG_EXTRA_ENV_SETTINGS				\
 	"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0"	\
 	"nfsargs=setenv bootargs root=/dev/nfs rw "		\
 	"nfsroot=$(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.ldr;"		\
 	"eeprom write $(loadaddr) 0x0 $(filesize);\0"		\
 	""
 #else
 #define CONFIG_EXTRA_ENV_SETTINGS				\
 	"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0"	\
 	"flashboot=bootm 0x20100000\0"				\
 	""
 #endif
 #endif

 #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_MAX_RAM_SIZE       	(CONFIG_MEM_SIZE * 1024*1024)
 #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_MEMTEST_START	0x0	/* memtest works on */
 #define CFG_MEMTEST_END		( (CONFIG_MEM_SIZE - 1) * 1024*1024)	/* 1 ... 63 MB in DRAM */
 #define	CFG_LOAD_ADDR		CONFIG_LOADADDR	/* default load address */
 #define	CFG_HZ			1000	/* decrementer freq: 10 ms ticks */
 #define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
 #define	CFG_SDRAM_BASE		0x00000000

 #define CFG_FLASH_BASE		0x20000000
 #define CFG_FLASH_CFI		/* The flash is CFI compatible */
 #define CFG_FLASH_CFI_DRIVER	/* Use common CFI driver */
 #define CFG_FLASH_PROTECTION
 #define CFG_MAX_FLASH_BANKS	1
 #define CFG_MAX_FLASH_SECT	71	/* some have 67 sectors (M29W320DB), but newer have 71 (M29W320EB) */

 #define	CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
 #define CFG_MONITOR_BASE	(CFG_MAX_RAM_SIZE - CFG_MONITOR_LEN)
 #define	CFG_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()	*/
 #define CFG_MALLOC_BASE		(CFG_MONITOR_BASE - CFG_MALLOC_LEN)
 #define CFG_GBL_DATA_SIZE	0x4000
 #define CFG_GBL_DATA_ADDR	(CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
 #define CONFIG_STACKBASE	(CFG_GBL_DATA_ADDR  - 4)

 #if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) || (BFIN_BOOT_MODE == BF537_UART_BOOT)
 /* for bf537-stamp, usrt boot mode still store env in flash */
 #define	CFG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_ADDR		0x20004000
 #define CFG_ENV_OFFSET		(CFG_ENV_ADDR - CFG_FLASH_BASE)
 #elif (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT)
 #define CFG_ENV_IS_IN_EEPROM	1
 #define CFG_ENV_OFFSET		0x4000
 #define CFG_ENV_HEADER		(CFG_ENV_OFFSET + 0x16e) /* 0x12A is the length of LDR file header */
 #endif
 #define CFG_ENV_SIZE		0x2000
 #define	CFG_ENV_SECT_SIZE	0x2000	/* Total Size of Environment Sector */
 /* #if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) */
 #define ENV_IS_EMBEDDED
 /* #endif */

 /* 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	15

 #define CONFIG_SPI

 /*
  * Stack sizes
  */
 #define CONFIG_STACKSIZE	(128*1024)	/* regular stack */

 #define POLL_MODE		1
 #define FLASH_TOT_SECT		71
 #define FLASH_SIZE		0x400000
 #define CFG_FLASH_SIZE		0x400000

 /*
  * Board NAND Infomation
  */

 #define CFG_NAND_ADDR		0x20212000
 #define CFG_NAND_BASE		CFG_NAND_ADDR
 #define CFG_MAX_NAND_DEVICE	1
 #define SECTORSIZE		512
 #define ADDR_COLUMN		1
 #define ADDR_PAGE		2
 #define ADDR_COLUMN_PAGE	3
 #define NAND_ChipID_UNKNOWN	0x00
 #define NAND_MAX_FLOORS		1
 #define NAND_MAX_CHIPS		1
 #define BFIN_NAND_READY		PF3

 #define NAND_WAIT_READY(nand)  			\
 	do { 					\
 		int timeout = 0; 		\
 		while(!(*pPORTFIO & PF3)) 	\
 			if (timeout++ > 100000)	\
 				break;		\
 	} while (0)

 #define BFIN_NAND_CLE		(1<<2)	/* A2 -> Command Enable */
 #define BFIN_NAND_ALE		(1<<1)	/* A1 -> Address Enable */

 #define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | BFIN_NAND_CLE) = (__u8)(d); } while(0)
 #define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | BFIN_NAND_ALE) = (__u8)(d); } while(0)
 #define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0)
 #define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr))

 /*
  * Initialize PSD4256 registers for using I2C
  */
 #define CONFIG_MISC_INIT_R

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

 /*
  * I2C settings
  * By default PF1 is used as SDA and PF0 as SCL on the Stamp board
  */
 /* #define CONFIG_SOFT_I2C	1*/	/* I2C bit-banged */
 #define CONFIG_HARD_I2C		1	/* I2C TWI */
 #if defined CONFIG_HARD_I2C
 #define CONFIG_TWICLK_KHZ	50
 #endif

 #if defined CONFIG_SOFT_I2C
 /*
  * Software (bit-bang) I2C driver configuration
  */
 #define PF_SCL			PF0
 #define PF_SDA			PF1

 #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 */
 #endif

 #define CFG_I2C_SPEED		50000
 #define CFG_I2C_SLAVE		0xFE

 /* 0xFF, 0x7BB07BB0, 0x22547BB0 */
 /* #define AMGCTLVAL		(AMBEN_P0 | AMBEN_P1 | AMBEN_P2 | AMCKEN)
 #define AMBCTL0VAL		(B1WAT_7 | B1RAT_11 | B1HT_2 | B1ST_3 | B1TT_4 | ~B1RDYPOL | \
 				~B1RDYEN | B0WAT_7 | B0RAT_11 | B0HT_2 | B0ST_3 | B0TT_4 | ~B0RDYPOL | ~B0RDYEN)
 #define AMBCTL1VAL		(B3WAT_2 | B3RAT_2 | B3HT_1 | B3ST_1 | B3TT_4 | B3RDYPOL | ~B3RDYEN | \
 				B2WAT_7 | B2RAT_11 | B2HT_2 | B2ST_3 | B2TT_4 | ~B2RDYPOL | ~B2RDYEN)
 */

 #define AMGCTLVAL		0xFF
 #define AMBCTL0VAL		0x7BB07BB0
 #define AMBCTL1VAL		0xFFC27BB0

 #define CONFIG_VDSP		1

 #ifdef CONFIG_VDSP
 #define ET_EXEC_VDSP		0x8
 #define SHT_STRTAB_VDSP		0x1
 #define ELFSHDRSIZE_VDSP	0x2C
 #define VDSP_ENTRY_ADDR		0xFFA00000
 #endif

 #if defined(CONFIG_BFIN_IDE)

 #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 */

 #undef  AMBCTL1VAL
 #define AMBCTL1VAL		0xFFC3FFC3

 #define CONFIG_CF_ATASEL_DIS	0x20311800
 #define CONFIG_CF_ATASEL_ENA	0x20311802

 #if defined(CONFIG_BFIN_TRUE_IDE)
 /*
  * Note that these settings aren't for the most part used in include/ata.h
  * when all of the ATA registers are setup
  */
 #define CFG_ATA_BASE_ADDR	0x2031C000
 #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	0x001C	/* Offset for alternate registers */
 #define CFG_ATA_STRIDE		2	/* CF.A0 --> Blackfin.Ax */
 #endif				/* CONFIG_BFIN_TRUE_IDE */

 #if defined(CONFIG_BFIN_CF_IDE)	/* USE CompactFlash Storage Card in the common memory space */
 #define CFG_ATA_BASE_ADDR	0x20211800
 #define CFG_ATA_IDE0_OFFSET	0x0000
 #define CFG_ATA_DATA_OFFSET	0x0000	/* Offset for data I/O */
 #define CFG_ATA_REG_OFFSET	0x0000	/* Offset for normal register accesses */
 #define CFG_ATA_ALT_OFFSET	0x000E	/* Offset for alternate registers */
 #define CFG_ATA_STRIDE		1	/* CF.A0 --> Blackfin.Ax */
 #endif				/* CONFIG_BFIN_CF_IDE */

 #if defined(CONFIG_BFIN_HDD_IDE)	/* USE TRUE IDE */
 #define CFG_ATA_BASE_ADDR	0x20314000
 #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	0x001C	/* Offset for alternate registers */
 #define CFG_ATA_STRIDE		2	/* CF.A0 --> Blackfin.A1 */

 #undef  CONFIG_SCLK_DIV
 #define CONFIG_SCLK_DIV		8
 #endif				/* CONFIG_BFIN_HDD_IDE */

 #endif				/*CONFIG_BFIN_IDE */

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

	#ifndef __CONFIG_BF537_H__
	#define __CONFIG_BF537_H__

	#include <asm/blackfin-config-pre.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 CONFIG_BFIN_CPU bf537-0.2
	#define CONFIG_BFIN_MAC

	/* 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 */
	#ifdef CONFIG_BFIN_MAC
	#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

	#ifndef CONFIG_BFIN_MAC
	#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)
	#ifdef CONFIG_BFIN_MAC
	#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 $(filesize)\0" \
	""
	#else
	#define CONFIG_EXTRA_ENV_SETTINGS \
	"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0" \
	"flashboot=bootm 0x20100000\0" \
	""
	#endif
	#elif (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT)
	#ifdef CONFIG_BFIN_MAC
	#define CONFIG_EXTRA_ENV_SETTINGS \
	"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0" \
	"nfsargs=setenv bootargs root=/dev/nfs rw " \
	"nfsroot=$(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.ldr;" \
	"eeprom write $(loadaddr) 0x0 $(filesize);\0" \
	""
	#else
	#define CONFIG_EXTRA_ENV_SETTINGS \
	"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0" \
	"flashboot=bootm 0x20100000\0" \
	""
	#endif
	#endif

	#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_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024*1024)
	#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_MEMTEST_START 0x0 /* memtest works on */
	#define CFG_MEMTEST_END ( (CONFIG_MEM_SIZE - 1) * 10241024) / 1 ... 63 MB in DRAM */
	#define CFG_LOAD_ADDR CONFIG_LOADADDR /* default load address */
	#define CFG_HZ 1000 /* decrementer freq: 10 ms ticks */
	#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
	#define CFG_SDRAM_BASE 0x00000000

	#define CFG_FLASH_BASE 0x20000000
	#define CFG_FLASH_CFI /* The flash is CFI compatible */
	#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
	#define CFG_FLASH_PROTECTION
	#define CFG_MAX_FLASH_BANKS 1
	#define CFG_MAX_FLASH_SECT 71 /* some have 67 sectors (M29W320DB), but newer have 71 (M29W320EB) */

	#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
	#define CFG_MONITOR_BASE (CFG_MAX_RAM_SIZE - CFG_MONITOR_LEN)
	#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
	#define CFG_MALLOC_BASE (CFG_MONITOR_BASE - CFG_MALLOC_LEN)
	#define CFG_GBL_DATA_SIZE 0x4000
	#define CFG_GBL_DATA_ADDR (CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
	#define CONFIG_STACKBASE (CFG_GBL_DATA_ADDR - 4)

	#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) \|\| (BFIN_BOOT_MODE == BF537_UART_BOOT)
	/* for bf537-stamp, usrt boot mode still store env in flash */
	#define CFG_ENV_IS_IN_FLASH 1
	#define CFG_ENV_ADDR 0x20004000
	#define CFG_ENV_OFFSET (CFG_ENV_ADDR - CFG_FLASH_BASE)
	#elif (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT)
	#define CFG_ENV_IS_IN_EEPROM 1
	#define CFG_ENV_OFFSET 0x4000
	#define CFG_ENV_HEADER (CFG_ENV_OFFSET + 0x16e) /* 0x12A is the length of LDR file header */
	#endif
	#define CFG_ENV_SIZE 0x2000
	#define CFG_ENV_SECT_SIZE 0x2000 /* Total Size of Environment Sector */
	/* #if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) */
	#define ENV_IS_EMBEDDED
	/* #endif */

	/* 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 15

	#define CONFIG_SPI

	/*
	* Stack sizes
	*/
	#define CONFIG_STACKSIZE (1281024) / regular stack */

	#define POLL_MODE 1
	#define FLASH_TOT_SECT 71
	#define FLASH_SIZE 0x400000
	#define CFG_FLASH_SIZE 0x400000

	/*
	* Board NAND Infomation
	*/

	#define CFG_NAND_ADDR 0x20212000
	#define CFG_NAND_BASE CFG_NAND_ADDR
	#define CFG_MAX_NAND_DEVICE 1
	#define SECTORSIZE 512
	#define ADDR_COLUMN 1
	#define ADDR_PAGE 2
	#define ADDR_COLUMN_PAGE 3
	#define NAND_ChipID_UNKNOWN 0x00
	#define NAND_MAX_FLOORS 1
	#define NAND_MAX_CHIPS 1
	#define BFIN_NAND_READY PF3

	#define NAND_WAIT_READY(nand) \
	do { \
	int timeout = 0; \
	while(!(*pPORTFIO & PF3)) \
	if (timeout++ > 100000) \
	break; \
	} while (0)

	#define BFIN_NAND_CLE (1<<2) /* A2 -> Command Enable */
	#define BFIN_NAND_ALE (1<<1) /* A1 -> Address Enable */

	#define WRITE_NAND_COMMAND(d, adr) do{ (volatile __u8 )((unsigned long)adr \| BFIN_NAND_CLE) = (__u8)(d); } while(0)
	#define WRITE_NAND_ADDRESS(d, adr) do{ (volatile __u8 )((unsigned long)adr \| BFIN_NAND_ALE) = (__u8)(d); } while(0)
	#define WRITE_NAND(d, adr) do{ (volatile __u8 )((unsigned long)adr) = (__u8)d; } while(0)
	#define READ_NAND(adr) ((volatile unsigned char)((volatile __u8 )(unsigned long)adr))

	/*
	* Initialize PSD4256 registers for using I2C
	*/
	#define CONFIG_MISC_INIT_R

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

	/*
	* I2C settings
	* By default PF1 is used as SDA and PF0 as SCL on the Stamp board
	*/
	/* #define CONFIG_SOFT_I2C 1/ / I2C bit-banged */
	#define CONFIG_HARD_I2C 1 /* I2C TWI */
	#if defined CONFIG_HARD_I2C
	#define CONFIG_TWICLK_KHZ 50
	#endif

	#if defined CONFIG_SOFT_I2C
	/*
	* Software (bit-bang) I2C driver configuration
	*/
	#define PF_SCL PF0
	#define PF_SDA PF1

	#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 */
	#endif

	#define CFG_I2C_SPEED 50000
	#define CFG_I2C_SLAVE 0xFE

	/* 0xFF, 0x7BB07BB0, 0x22547BB0 */
	/* #define AMGCTLVAL (AMBEN_P0 \| AMBEN_P1 \| AMBEN_P2 \| AMCKEN)
	#define AMBCTL0VAL (B1WAT_7 \| B1RAT_11 \| B1HT_2 \| B1ST_3 \| B1TT_4 \| ~B1RDYPOL \| \
	~B1RDYEN \| B0WAT_7 \| B0RAT_11 \| B0HT_2 \| B0ST_3 \| B0TT_4 \| ~B0RDYPOL \| ~B0RDYEN)
	#define AMBCTL1VAL (B3WAT_2 \| B3RAT_2 \| B3HT_1 \| B3ST_1 \| B3TT_4 \| B3RDYPOL \| ~B3RDYEN \| \
	B2WAT_7 \| B2RAT_11 \| B2HT_2 \| B2ST_3 \| B2TT_4 \| ~B2RDYPOL \| ~B2RDYEN)
	*/

	#define AMGCTLVAL 0xFF
	#define AMBCTL0VAL 0x7BB07BB0
	#define AMBCTL1VAL 0xFFC27BB0

	#define CONFIG_VDSP 1

	#ifdef CONFIG_VDSP
	#define ET_EXEC_VDSP 0x8
	#define SHT_STRTAB_VDSP 0x1
	#define ELFSHDRSIZE_VDSP 0x2C
	#define VDSP_ENTRY_ADDR 0xFFA00000
	#endif

	#if defined(CONFIG_BFIN_IDE)

	#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 */

	#undef AMBCTL1VAL
	#define AMBCTL1VAL 0xFFC3FFC3

	#define CONFIG_CF_ATASEL_DIS 0x20311800
	#define CONFIG_CF_ATASEL_ENA 0x20311802

	#if defined(CONFIG_BFIN_TRUE_IDE)
	/*
	* Note that these settings aren't for the most part used in include/ata.h
	* when all of the ATA registers are setup
	*/
	#define CFG_ATA_BASE_ADDR 0x2031C000
	#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 0x001C /* Offset for alternate registers */
	#define CFG_ATA_STRIDE 2 /* CF.A0 --> Blackfin.Ax */
	#endif /* CONFIG_BFIN_TRUE_IDE */

	#if defined(CONFIG_BFIN_CF_IDE) /* USE CompactFlash Storage Card in the common memory space */
	#define CFG_ATA_BASE_ADDR 0x20211800
	#define CFG_ATA_IDE0_OFFSET 0x0000
	#define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
	#define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
	#define CFG_ATA_ALT_OFFSET 0x000E /* Offset for alternate registers */
	#define CFG_ATA_STRIDE 1 /* CF.A0 --> Blackfin.Ax */
	#endif /* CONFIG_BFIN_CF_IDE */

	#if defined(CONFIG_BFIN_HDD_IDE) /* USE TRUE IDE */
	#define CFG_ATA_BASE_ADDR 0x20314000
	#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 0x001C /* Offset for alternate registers */
	#define CFG_ATA_STRIDE 2 /* CF.A0 --> Blackfin.A1 */

	#undef CONFIG_SCLK_DIV
	#define CONFIG_SCLK_DIV 8
	#endif /* CONFIG_BFIN_HDD_IDE */

	#endif /CONFIG_BFIN_IDE /

	#endif