| /* |
| * U-Boot - Configuration file for bf525-ucr2 board |
| * The board includes ADSP-BF525 rev. 0.2, |
| * 32-bit SDRAM (SAMSUNG K4S561632H-UC75), |
| * USB 2.0 High Speed OTG USB WIFI, |
| * SPI flash (cFeon EN25Q128 16 MB), |
| * Support PPI and ITU-R656, |
| * See http://www.ucrobotics.com/?q=cn/ucr2 |
| */ |
| |
| #ifndef __CONFIG_BF525_UCR2_H__ |
| #define __CONFIG_BF525_UCR2_H__ |
| |
| #include <asm/config-pre.h> |
| |
| /* |
| * Processor Settings |
| */ |
| #define CONFIG_BFIN_CPU bf525-0.2 |
| #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 24000000 |
| /* 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 20 |
| /* 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 4 |
| |
| /* |
| * Memory Settings |
| */ |
| #define CONFIG_MEM_ADD_WDTH 9 |
| #define CONFIG_MEM_SIZE 32 |
| |
| /* |
| * SDRAM reference page |
| * http://docs.blackfin.uclinux.org/doku.php?id=bfin:sdram |
| */ |
| #define CONFIG_EBIU_SDRRC_VAL 0x3f8 |
| #define CONFIG_EBIU_SDGCTL_VAL 0x9111cd |
| |
| #define CONFIG_EBIU_AMGCTL_VAL (AMBEN_ALL) |
| #define CONFIG_EBIU_AMBCTL0_VAL (B1WAT_7 | B1RAT_11 | B1HT_2 | B1ST_3 | B0WAT_7 | B0RAT_11 | B0HT_2 | B0ST_3) |
| #define CONFIG_EBIU_AMBCTL1_VAL (B3WAT_7 | B3RAT_11 | B3HT_2 | B3ST_3 | B2WAT_7 | B2RAT_11 | B2HT_2 | B2ST_3) |
| |
| #define CONFIG_SYS_MONITOR_LEN (320 * 1024) |
| #define CONFIG_SYS_MALLOC_LEN (320 * 1024) |
| |
| /* We don't have a parallel flash chip */ |
| #define CONFIG_SYS_NO_FLASH |
| |
| /* support for serial flash */ |
| #define CONFIG_BFIN_SPI |
| #define CONFIG_SF_DEFAULT_HZ 30000000 |
| |
| #define CONFIG_ENV_IS_IN_SPI_FLASH |
| #define CONFIG_ENV_SPI_MAX_HZ 30000000 |
| #define CONFIG_ENV_OFFSET 0x10000 |
| #define CONFIG_ENV_SIZE 0x10000 |
| #define CONFIG_ENV_SECT_SIZE 0x10000 |
| #define CONFIG_ENV_OVERWRITE 1 |
| |
| /* |
| * Misc Settings |
| */ |
| #define CONFIG_UART_CONSOLE 0 |
| |
| #define CONFIG_BAUDRATE 115200 |
| #define CONFIG_BFIN_SERIAL |
| #define CONFIG_BOOTARGS "root=/dev/mtdblock0 rw" |
| #define CONFIG_BOOTCOMMAND "run sfboot" |
| #define CONFIG_BOOTDELAY 5 |
| #define CONFIG_EXTRA_ENV_SETTINGS \ |
| "sfboot=sf probe 1;" \ |
| "sf read 0x1000000 0x20000 0x300000;" \ |
| "bootm 0x1000000\0" |
| |
| #endif |