SI570_CLOCK_CTRL
cpld_read(cobalt, SI570_CLOCK_CTRL);
cpld_write(cobalt, SI570_CLOCK_CTRL,
cpld_write(cobalt, SI570_CLOCK_CTRL,
cpld_write(cobalt, SI570_CLOCK_CTRL,
cpld_write(cobalt, SI570_CLOCK_CTRL,
cpld_write(cobalt, SI570_CLOCK_CTRL,