write_hbreg
write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);
write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);
write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);
write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);
write_hbreg(HBIRD_MEM_CNTL0_ADDR, mctrl);
write_hbreg(HBIRD_MEM_CNTL0_ADDR, mctrl);