| /* |
| * U-boot - Configuration file for IBF-DSP561 board |
| */ |
| |
| #ifndef __CONFIG_IBF_DSP561__H__ |
| #define __CONFIG_IBF_DSP561__H__ |
| |
| #include <asm/blackfin-config-pre.h> |
| |
| |
| /* |
| * Processor Settings |
| */ |
| #define CONFIG_BFIN_CPU bf561-0.5 |
| #define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_BYPASS |
| |
| |
| /* |
| * 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 9 |
| #define CONFIG_MEM_SIZE 64 |
| |
| #define CONFIG_EBIU_SDRRC_VAL 0x377 |
| #define CONFIG_EBIU_SDGCTL_VAL 0x91998d |
| #define CONFIG_EBIU_SDBCTL_VAL 0x15 |
| |
| #define CONFIG_EBIU_AMGCTL_VAL 0x3F |
| #define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0 |
| #define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0 |
| |
| #define CONFIG_SYS_MONITOR_LEN (256 * 1024) |
| #define CONFIG_SYS_MALLOC_LEN (128 * 1024) |
| |
| |
| /* |
| * Flash Settings |
| */ |
| #define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */ |
| #define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */ |
| #define CONFIG_SYS_FLASH_CFI_AMD_RESET |
| #define CONFIG_SYS_FLASH_BASE 0x20000000 |
| #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
| #define CONFIG_SYS_MAX_FLASH_SECT 135 /* max number of sectors on one chip */ |
| /* The BF561-EZKIT uses a top boot flash */ |
| #define CONFIG_ENV_IS_IN_FLASH 1 |
| #define CONFIG_ENV_ADDR 0x20004000 |
| #define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE) |
| #define CONFIG_ENV_SIZE 0x2000 |
| #define CONFIG_ENV_SECT_SIZE 0x10000 /* Total Size of Environment Sector */ |
| #if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_BYPASS) |
| #define ENV_IS_EMBEDDED |
| #else |
| #define ENV_IS_EMBEDDED_CUSTOM |
| #endif |
| |
| |
| /* |
| * I2C Settings |
| */ |
| #define CONFIG_SOFT_I2C 1 |
| #define PF_SCL 0x1/*PF0*/ |
| #define PF_SDA 0x2/*PF1*/ |
| |
| #ifdef CONFIG_SOFT_I2C |
| #define I2C_INIT do { *pFIO0_DIR |= PF_SCL; SSYNC(); } while (0) |
| #define I2C_ACTIVE do { *pFIO0_DIR |= PF_SDA; *pFIO0_INEN &= ~PF_SDA; SSYNC(); } while (0) |
| #define I2C_TRISTATE do { *pFIO0_DIR &= ~PF_SDA; *pFIO0_INEN |= PF_SDA; SSYNC(); } while (0) |
| #define I2C_READ ((*pFIO0_FLAG_D & PF_SDA) != 0) |
| #define I2C_SDA(bit) \ |
| do { \ |
| if (bit) \ |
| *pFIO0_FLAG_S = PF_SDA; \ |
| else \ |
| *pFIO0_FLAG_C = PF_SDA; \ |
| SSYNC(); \ |
| } while (0) |
| #define I2C_SCL(bit) \ |
| do { \ |
| if (bit) \ |
| *pFIO0_FLAG_S = PF_SCL; \ |
| else \ |
| *pFIO0_FLAG_C = PF_SCL; \ |
| SSYNC(); \ |
| } while (0) |
| #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ |
| |
| #define CONFIG_SYS_I2C_SPEED 50000 |
| #define CONFIG_SYS_I2C_SLAVE 0 |
| #endif |
| |
| |
| /* |
| * Misc Settings |
| */ |
| #define CONFIG_UART_CONSOLE 0 |
| |
| |
| /* |
| * Pull in common ADI header for remaining command/environment setup |
| */ |
| #include <configs/bfin_adi_common.h> |
| |
| #include <asm/blackfin-config-post.h> |
| |
| #endif /* __CONFIG_IBF_DSP561__H__ */ |