MCFQSPI_CS0
status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0");
status = gpio_direction_output(MCFQSPI_CS0, 1);
gpio_free(MCFQSPI_CS0);
gpio_free(MCFQSPI_CS0);
gpio_set_value(MCFQSPI_CS0, cs_high);
gpio_set_value(MCFQSPI_CS0, !cs_high);
f |= (1 << MCFQSPI_CS2) | (1 << MCFQSPI_CS1) | (1 << MCFQSPI_CS0);