SROMCSR
bmwrite(dev, SROMCSR, ChipSelect | Clk);
data = bmread(dev, SROMCSR);
bmwrite(dev, SROMCSR, ChipSelect);
bmwrite(dev, SROMCSR, data | ChipSelect );
bmwrite(dev, SROMCSR, data | ChipSelect | Clk );
bmwrite(dev, SROMCSR, data | ChipSelect);
bmwrite(dev, SROMCSR, 0);
bmwrite(dev, SROMCSR, 0);