IWI_CSR_CTL
tmp = CSR_READ_4(sc, IWI_CSR_CTL);
CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_INIT);
if (CSR_READ_4(sc, IWI_CSR_CTL) & IWI_CTL_CLOCK_READY)
tmp = CSR_READ_4(sc, IWI_CSR_CTL);
CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_INIT);
tmp = CSR_READ_4(sc, IWI_CSR_CTL);
CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_ALLOW_STANDBY);