| /* |
| * U-boot - Configuration file for BF533 EZKIT board |
| */ |
| |
| #ifndef __CONFIG_EZKIT533_H__ |
| #define __CONFIG_EZKIT533_H__ |
| |
| #include <asm/blackfin-config-pre.h> |
| |
| #define CONFIG_BAUDRATE 57600 |
| |
| #define CONFIG_BOOTDELAY 5 |
| #define CFG_AUTOLOAD "no" /*rarpb, bootp or dhcp commands will perform only a */ |
| |
| #define CFG_LONGHELP 1 |
| #define CONFIG_CMDLINE_EDITING 1 |
| #define CONFIG_LOADADDR 0x01000000 /* default load address */ |
| #define CONFIG_BOOTCOMMAND "tftp $(loadaddr) linux" |
| /* #define CONFIG_BOOTARGS "root=/dev/mtdblock0 rw" */ |
| |
| #define CONFIG_DRIVER_SMC91111 1 |
| #define CONFIG_SMC91111_BASE 0x20310300 |
| |
| #if 0 |
| #define CONFIG_MII |
| #define CFG_DISCOVER_PHY |
| #endif |
| |
| #define CONFIG_RTC_BFIN 1 |
| #define CONFIG_BOOT_RETRY_TIME -1 /* Enable this if bootretry required, currently its disabled */ |
| |
| #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 |
| |
| /* CONFIG_CLKIN_HZ is any value in Hz */ |
| #define CONFIG_CLKIN_HZ 27000000 |
| /* 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 22 |
| /* 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 |
| |
| #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 |
| |
| #define CONFIG_MEM_SIZE 32 /* 128, 64, 32, 16 */ |
| #define CONFIG_MEM_ADD_WDTH 9 /* 8, 9, 10, 11 */ |
| #define CONFIG_MEM_MT48LC16M16A2TG_75 1 |
| |
| #define CONFIG_LOADS_ECHO 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> |
| |
| #define CONFIG_CMD_PING |
| #define CONFIG_CMD_ELF |
| #define CONFIG_CMD_I2C |
| #define CONFIG_CMD_JFFS2 |
| #define CONFIG_CMD_DATE |
| |
| |
| #define CONFIG_BOOTARGS "root=/dev/mtdblock0 ip=192.168.0.15:192.168.0.2:192.168.0.1:255.255.255.0:ezkit:eth0:off console=ttyBF0,57600" |
| |
| #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 CFG_MEMTEST_START 0x00000000 /* memtest works on */ |
| #define CFG_MEMTEST_END ( (CONFIG_MEM_SIZE - 1) * 1024 * 1024) /* 1 ... 31 MB in DRAM */ |
| #define CFG_LOAD_ADDR 0x01000000 /* 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_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 * 1024) |
| #define CFG_FLASH_BASE 0x20000000 |
| |
| #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) |
| |
| #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
| #define CFG_FLASH0_BASE 0x20000000 |
| #define CFG_FLASH1_BASE 0x20200000 |
| #define CFG_FLASH2_BASE 0x20280000 |
| #define CFG_MAX_FLASH_BANKS 3 /* max number of memory banks */ |
| #define CFG_MAX_FLASH_SECT 40 /* max number of sectors on one chip */ |
| |
| #define CFG_ENV_IS_IN_FLASH 1 |
| #define CFG_ENV_ADDR 0x20020000 |
| #define CFG_ENV_SECT_SIZE 0x10000 /* Total Size of Environment Sector */ |
| |
| /* 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 |
| |
| |
| /* |
| * Stack sizes |
| */ |
| #define CONFIG_STACKSIZE (128*1024) /* regular stack */ |
| |
| #define POLL_MODE 1 |
| #define FLASH_TOT_SECT 40 |
| #define FLASH_SIZE 0x220000 |
| #define CFG_FLASH_SIZE 0x220000 |
| |
| /* |
| * Initialize PSD4256 registers for using I2C |
| */ |
| #define CONFIG_MISC_INIT_R |
| |
| /* |
| * 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 */ |
| /* |
| * 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 */ |
| |
| #define CFG_I2C_SPEED 50000 |
| #define CFG_I2C_SLAVE 0xFE |
| |
| #define CFG_BOOTM_LEN 0x4000000 /* Large Image Length, set to 64 Meg */ |
| |
| #define CONFIG_EBIU_SDRRC_VAL 0x398 |
| #define CONFIG_EBIU_SDGCTL_VAL 0x91118d |
| #define CONFIG_EBIU_SDBCTL_VAL 0x13 |
| |
| #define CONFIG_EBIU_AMGCTL_VAL 0xFF |
| #define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0 |
| #define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0 |
| |
| #include <asm/blackfin-config-post.h> |
| |
| #endif |