RTK_EECMD
CSR_WRITE_1(sc, RTK_EECMD, RTK_EEMODE_WRITECFG);
CSR_WRITE_1(sc, RTK_EECMD, RTK_EEMODE_OFF);
CSR_WRITE_1(sc, RTK_EECMD, \
CSR_READ_1(sc, RTK_EECMD) | (x))
CSR_WRITE_1(sc, RTK_EECMD, \
CSR_READ_1(sc, RTK_EECMD) & ~(x))
CSR_WRITE_1(sc, RTK_EECMD, RTK_EEMODE_PROGRAM);
if (CSR_READ_1(sc, RTK_EECMD) & RTK_EE_DATAOUT)
CSR_WRITE_1(sc, RTK_EECMD, RTK_EEMODE_OFF);