/* * U-boot - Configuration file for BR4 Appliance * * based on bf537-stamp.h * Copyright (c) Switchfin Org. <dpn@switchfin.org> */ #ifndef __CONFIG_BR4_H__ #define __CONFIG_BR4_H__ #include <asm/config-pre.h> /* * Processor Settings */ #define CONFIG_BFIN_CPU bf537-0.3 #define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_SPI_MASTER /* * Clock Settings * CCLK = (CLKIN * VCO_MULT) / CCLK_DIV * SCLK = (CLKIN * VCO_MULT) / SCLK_DIV */ /* CONFIG_CLKIN_HZ is any value in Hz */ #define CONFIG_CLKIN_HZ 25000000 /* CLKIN_HALF controls the DF bit in PLL_CTL 0 = CLKIN */ /* 1 = CLKIN / 2 */ #define CONFIG_CLKIN_HALF 0 /* PLL_BYPASS controls the BYPASS bit in PLL_CTL 0 = do not bypass */ /* 1 = bypass PLL */ #define CONFIG_PLL_BYPASS 0 /* VCO_MULT controls the MSEL (multiplier) bits in PLL_CTL */ /* Values can range from 0-63 (where 0 means 64) */ #define CONFIG_VCO_MULT 24 /* CCLK_DIV controls the core clock divider */ /* Values can be 1, 2, 4, or 8 ONLY */ #define CONFIG_CCLK_DIV 1 /* SCLK_DIV controls the system clock divider */ /* Values can range from 1-15 */ #define CONFIG_SCLK_DIV 5 /* * Memory Settings */ #define CONFIG_MEM_ADD_WDTH 10 #define CONFIG_MEM_SIZE 64 #define CONFIG_EBIU_SDRRC_VAL 0x306 #define CONFIG_EBIU_SDGCTL_VAL 0x8091998d #define CONFIG_EBIU_AMGCTL_VAL 0xFF #define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0 #define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0 #define CONFIG_SYS_MONITOR_LEN (512 * 1024) #define CONFIG_SYS_MALLOC_LEN (384 * 1024) /* * Network Settings */ #ifndef __ADSPBF534__ #define ADI_CMDS_NETWORK 1 #define CONFIG_BFIN_MAC #define CONFIG_NETCONSOLE #endif #define CONFIG_HOSTNAME br4 #define CONFIG_TFTP_BLOCKSIZE 4404 /* Uncomment next line to use fixed MAC address */ /* #define CONFIG_ETHADDR 5c:38:1a:80:a7:00 */ /* * Flash Settings */ #define CONFIG_SYS_NO_FLASH /* We have no parallel FLASH */ /* * SPI Settings */ #define CONFIG_BFIN_SPI #define CONFIG_ENV_SPI_MAX_HZ 30000000 #define CONFIG_SF_DEFAULT_SPEED 30000000 #define CONFIG_SPI_FLASH #define CONFIG_SPI_FLASH_STMICRO /* * Env Storage Settings */ #define CONFIG_ENV_IS_IN_SPI_FLASH #define CONFIG_ENV_OFFSET 0x10000 #define CONFIG_ENV_SIZE 0x2000 #define CONFIG_ENV_SECT_SIZE 0x10000 #define CONFIG_ENV_IS_EMBEDDED_IN_LDR /* * I2C Settings */ #define CONFIG_BFIN_TWI_I2C #define CONFIG_HARD_I2C /* * NAND Settings */ #define CONFIG_NAND_PLAT #define CONFIG_SYS_NAND_BASE 0x20000000 #define CONFIG_SYS_MAX_NAND_DEVICE 1 #define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2)) #define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1)) #define BFIN_NAND_WRITE(addr, cmd) \ do { \ bfin_write8(addr, cmd); \ SSYNC(); \ } while (0) #define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd) #define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd) #define NAND_PLAT_GPIO_DEV_READY GPIO_PF9 /* * Misc Settings */ #define CONFIG_BAUDRATE 115200 #define CONFIG_RTC_BFIN #define CONFIG_UART_CONSOLE 0 #define CONFIG_SYS_PROMPT "br4>" #define CONFIG_BOOTCOMMAND "run nandboot" #define CONFIG_BOOTDELAY 2 #define CONFIG_LOADADDR 0x2000000 /* * Pull in common ADI header for remaining command/environment setup */ #include <configs/bfin_adi_common.h> /* * Overwrite some settings defined in bfin_adi_common.h */ #undef NAND_ENV_SETTINGS #define NAND_ENV_SETTINGS \ "nandargs=set bootargs " CONFIG_BOOTARGS "\0" \ "nandboot=" \ "nand read $(loadaddr) 0x0 0x900000;" \ "run nandargs;" \ "bootm" \ "\0" #endif