mgsuvd: fix compiler warning when using soft_i2c driver
Signed-off-by: Heiko Schocher <hs@denx.de>
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 */