diff options
Diffstat (limited to 'include/configs/mgsuvd.h')
| -rw-r--r-- | include/configs/mgsuvd.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/include/configs/mgsuvd.h b/include/configs/mgsuvd.h index 416e4db..1604285 100644 --- a/include/configs/mgsuvd.h +++ b/include/configs/mgsuvd.h @@ -346,8 +346,8 @@ /* * Software (bit-bang) I2C driver configuration */ -#define I2C_BASE_DIR (CONFIG_SYS_PIGGY_BASE + 0x04) -#define I2C_BASE_PORT (CONFIG_SYS_PIGGY_BASE + 0x09) +#define I2C_BASE_DIR ((u16 *)(CONFIG_SYS_PIGGY_BASE + 0x04)) +#define I2C_BASE_PORT ((u8 *)(CONFIG_SYS_PIGGY_BASE + 0x09)) #define SDA_BIT 0x40 #define SCL_BIT 0x80 @@ -356,18 +356,18 @@ #define I2C_ACTIVE do {} while (0) #define I2C_TRISTATE do {} while (0) -#define I2C_READ i2c_soft_read_pin () +#define I2C_READ ((in_8(I2C_BASE_PORT) & SDA_BIT) == SDA_BIT) #define I2C_SDA(bit) if(bit) { \ - *(unsigned short *)(I2C_BASE_DIR) &= ~SDA_CONF; \ + clrbits(be16, I2C_BASE_DIR, SDA_CONF); \ } else { \ - *(unsigned char *)(I2C_BASE_PORT) &= ~SDA_BIT; \ - *(unsigned short *)(I2C_BASE_DIR) |= SDA_CONF; \ + clrbits(8, I2C_BASE_PORT, SDA_BIT); \ + setbits(be16, I2C_BASE_DIR, SDA_CONF); \ } #define I2C_SCL(bit) if(bit) { \ - *(unsigned short *)(I2C_BASE_DIR) &= ~SCL_CONF; \ + clrbits(be16, I2C_BASE_DIR, SCL_CONF); \ } else { \ - *(unsigned char *)(I2C_BASE_PORT) &= ~SCL_BIT; \ - *(unsigned short *)(I2C_BASE_DIR) |= SCL_CONF; \ + clrbits(8, I2C_BASE_PORT, SCL_BIT); \ + setbits(be16, I2C_BASE_DIR, SCL_CONF); \ } #define I2C_DELAY udelay(50) /* 1/4 I2C clock duration */ |