diff options
Diffstat (limited to 'include/configs/blackstamp.h')
| -rw-r--r-- | include/configs/blackstamp.h | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/include/configs/blackstamp.h b/include/configs/blackstamp.h new file mode 100644 index 0000000..f61e5b7 --- /dev/null +++ b/include/configs/blackstamp.h @@ -0,0 +1,275 @@ +/* + * U-boot - Configuration file for BlackStamp board + * Configuration by Ben Matthews for UR LLE using bf533-stamp.h + * as a template + * See http://blackfin.uclinux.org/gf/project/blackstamp/ + */ + +#ifndef __CONFIG_BLACKSTAMP_H__ +#define __CONFIG_BLACKSTAMP_H__ + +#include <asm/blackfin-config-pre.h> + +/* + * Debugging: Set these options if you're having problems + */ +/* + * #define CONFIG_DEBUG_EARLY_SERIAL + * #define DEBUG + * #define CONFIG_DEBUG_DUMP + * #define CONFIG_DEBUG_DUMP_SYMS +*/ +#define CONFIG_PANIC_HANG 0 + +/* CPU Options + * Be sure to set the Silicon Revision Correctly + */ +#define CONFIG_BFIN_CPU bf532-0.5 +#define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_SPI_MASTER + +/* + * Board settings + */ +#define CONFIG_DRIVER_SMC91111 1 +#define CONFIG_SMC91111_BASE 0x20300300 + +/* FLASH/ETHERNET uses the same address range + * Depending on what you have the CPLD doing + * this probably isn't needed + */ +#define SHARED_RESOURCES 1 + +/* Is I2C bit-banged? */ +#undef CONFIG_SOFT_I2 + +/* + * 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 16 +/* 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 3 + +/* + * Network settings + */ + +#ifdef CONFIG_DRIVER_SMC91111 +#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 blackstamp +#define CONFIG_ROOTPATH /checkout/uClinux-dist/romfs +#define CONFIG_SYS_AUTOLOAD "no" + +/* To remove hardcoding and enable MAC storage in EEPROM */ +/* #define CONFIG_ETHADDR 02:80:ad:20:31:b8 */ +#endif + +#define CONFIG_ENV_IS_IN_SPI_FLASH +#define CONFIG_ENV_OFFSET 0x4000 +#define CONFIG_ENV_SIZE 0x2000 +#define CONFIG_ENV_SECT_SIZE 0x40000 +#define ENV_IS_EMBEDDED_CUSTOM + +/* + * SDRAM settings & memory map + */ + +#define CONFIG_MEM_SIZE 64 /* 128, 64, 32, 16 */ +#define CONFIG_MEM_ADD_WDTH 10 /* 8, 9, 10, 11 */ + +#define CONFIG_SYS_MONITOR_LEN (256 << 10) +#define CONFIG_SYS_MALLOC_LEN (384 << 10) + +/* + * Command settings + */ + +#define CONFIG_SYS_LONGHELP 1 +#define CONFIG_CMDLINE_EDITING 1 +#define CONFIG_AUTO_COMPLETE 1 +#define CONFIG_ENV_OVERWRITE 1 + +#include <config_cmd_default.h> + +#ifdef CONFIG_DRIVER_SMC91111 +# define CONFIG_CMD_DHCP +# define CONFIG_CMD_PING +#else +# undef CONFIG_CMD_NET +#endif + +#ifdef CONFIG_SOFT_I2C +# define CONFIG_CMD_I2C +#endif + +#define CONFIG_CMD_BOOTLDR +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_CPLBINFO +#define CONFIG_CMD_DATE +#define CONFIG_CMD_SF +#define CONFIG_CMD_ELF + +#define CONFIG_BOOTDELAY 5 +#define CONFIG_BOOTCOMMAND "run ramboot" +#define CONFIG_BOOTARGS \ + "root=/dev/mtdblock0 rw " \ + "clkin_hz=" MK_STR(CONFIG_CLKIN_HZ) " " \ + "earlyprintk=" \ + "serial," \ + "uart" MK_STR(CONFIG_UART_CONSOLE) "," \ + MK_STR(CONFIG_BAUDRATE) " " \ + "console=ttyBF0," MK_STR(CONFIG_BAUDRATE) + +#if defined(CONFIG_CMD_NET) +# if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_BYPASS) +# define UBOOT_ENV_FILE "u-boot.bin" +# else +# define UBOOT_ENV_FILE "u-boot.ldr" +# endif +# if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER) +# ifdef CONFIG_SPI +# define UBOOT_ENV_UPDATE \ + "eeprom write $(loadaddr) 0x0 $(filesize)" +# else +# define UBOOT_ENV_UPDATE \ + "sf probe " MK_STR(BFIN_BOOT_SPI_SSEL) ";" \ + "sf erase 0 0x40000;" \ + "sf write $(loadaddr) 0 $(filesize)" +# endif +# else +# define UBOOT_ENV_UPDATE \ + "protect off 0x20000000 0x2003FFFF;" \ + "erase 0x20000000 0x2003FFFF;" \ + "cp.b $(loadaddr) 0x20000000 $(filesize)" +# endif +# define NETWORK_ENV_SETTINGS \ + "ubootfile=" UBOOT_ENV_FILE "\0" \ + "update=" \ + "tftp $(loadaddr) $(ubootfile);" \ + UBOOT_ENV_UPDATE \ + "\0" \ + "addip=set bootargs $(bootargs) " \ + "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):" \ + "$(hostname):eth0:off" \ + "\0" \ + "ramargs=set bootargs " CONFIG_BOOTARGS "\0" \ + "ramboot=" \ + "tftp $(loadaddr) uImage;" \ + "run ramargs;" \ + "run addip;" \ + "bootm" \ + "\0" \ + "nfsargs=set bootargs " \ + "root=/dev/nfs rw " \ + "nfsroot=$(serverip):$(rootpath),tcp,nfsvers=3" \ + "\0" \ + "nfsboot=" \ + "tftp $(loadaddr) vmImage;" \ + "run nfsargs;" \ + "run addip;" \ + "bootm" \ + "\0" +#else +# define NETWORK_ENV_SETTINGS +#endif + +/* + * Console settings + */ +#define CONFIG_BAUDRATE 57600 +#define CONFIG_LOADS_ECHO 1 +#define CONFIG_UART_CONSOLE 0 + +/* + * I2C settings + * By default PF2 is used as SDA and PF3 as SCL on the Stamp board + * Located on the expansion connector on pins 86/85 + * Note these pins are arbitrarily chosen because we aren't using + * them yet. You can (and probably should) change these values! + */ +#ifdef CONFIG_SOFT_I2C + +#define PF_SCL PF9 +#define PF_SDA PF8 + +#define I2C_INIT do { *pFIO_DIR |= PF_SCL; SSYNC(); } while (0) +#define I2C_ACTIVE do { *pFIO_DIR |= PF_SDA; *pFIO_INEN &= ~PF_SDA; SSYNC(); } while (0) +#define I2C_TRISTATE do { *pFIO_DIR &= ~PF_SDA; *pFIO_INEN |= PF_SDA; SSYNC(); } while (0) +#define I2C_READ ((*pFIO_FLAG_D & PF_SDA) != 0) +#define I2C_SDA(bit) \ + do { \ + if (bit) \ + *pFIO_FLAG_S = PF_SDA; \ + else \ + *pFIO_FLAG_C = PF_SDA; \ + SSYNC(); \ + } while (0) +#define I2C_SCL(bit) \ + do { \ + if (bit) \ + *pFIO_FLAG_S = PF_SCL; \ + else \ + *pFIO_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 0xFE +#endif + +/* + * Miscellaneous configurable options + */ +#define CONFIG_RTC_BFIN 1 + +/* + * Serial Flash Infomation + */ +#define CONFIG_BFIN_SPI +/* For the M25P64 SCK Should be Kept < 20Mhz */ +#define CONFIG_ENV_SPI_MAX_HZ 20000000 +#define CONFIG_SF_DEFAULT_HZ 20000000 +#define CONFIG_SPI_FLASH +#define CONFIG_SPI_FLASH_STMICRO + +/* + * FLASH organization and environment definitions + */ + +#define CONFIG_EBIU_AMGCTL_VAL 0xFF +#define CONFIG_EBIU_AMBCTL0_VAL 0xBBC3BBC3 +#define CONFIG_EBIU_AMBCTL1_VAL 0x99B39983 +#define CONFIG_EBIU_SDRRC_VAL 0x268 +#define CONFIG_EBIU_SDGCTL_VAL 0x911109 + +/* Even though Rev C boards have Parallel Flash + * We aren't supporting it. Newer versions of the + * hardware don't support Parallel Flash at all. + */ +#define CONFIG_SYS_NO_FLASH +#undef CONFIG_CMD_IMLS +#undef CONFIG_CMD_JFFS2 +#undef CONFIG_CMD_FLASH + +#include <asm/blackfin-config-post.h> + +#endif |