diff options
Diffstat (limited to 'include/configs/bf537-stamp.h')
| -rw-r--r-- | include/configs/bf537-stamp.h | 43 |
1 files changed, 4 insertions, 39 deletions
diff --git a/include/configs/bf537-stamp.h b/include/configs/bf537-stamp.h index ac5aaa5..27567fa 100644 --- a/include/configs/bf537-stamp.h +++ b/include/configs/bf537-stamp.h @@ -305,13 +305,11 @@ /* * 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 */ -#define CONFIG_HARD_I2C 1 /* I2C TWI */ -#if defined CONFIG_HARD_I2C -#define CONFIG_TWICLK_KHZ 50 -#endif +#define CONFIG_HARD_I2C 1 +#define CONFIG_BFIN_TWI_I2C 1 +#define CFG_I2C_SPEED 50000 +#define CFG_I2C_SLAVE 0 #define CONFIG_EBIU_SDRRC_VAL 0x306 #define CONFIG_EBIU_SDGCTL_VAL 0x91114d @@ -321,39 +319,6 @@ #define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0 #define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0 -#if defined CONFIG_SOFT_I2C -/* - * 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 */ -#endif - -#define CONFIG_SYS_I2C_SPEED 50000 -#define CONFIG_SYS_I2C_SLAVE 0xFE - /* 0xFF, 0x7BB07BB0, 0x22547BB0 */ /* #define AMGCTLVAL (AMBEN_P0 | AMBEN_P1 | AMBEN_P2 | AMCKEN) #define AMBCTL0VAL (B1WAT_7 | B1RAT_11 | B1HT_2 | B1ST_3 | B1TT_4 | ~B1RDYPOL | \ |