I2C_CONFIG_LOAD
WR4(sc, I2C_CONFIG_LOAD, I2C_CONFIG_LOAD_MSTR_CONFIG_LOAD);
if (RD4(sc, I2C_CONFIG_LOAD) == 0)
WR4(sc, I2C_CONFIG_LOAD, I2C_CONFIG_LOAD_MSTR_CONFIG_LOAD);
if (RD4(sc, I2C_CONFIG_LOAD) == 0)