MA35_BAUD_REG
serial_out(up, MA35_BAUD_REG, MA35_BAUD_MODE2 | FIELD_PREP(MA35_BAUD_MASK, quot));
up->console_baud_rate = serial_in(up, MA35_BAUD_REG);
serial_out(up, MA35_BAUD_REG, up->console_baud_rate);