IPW_CSR_RST
CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_STOP_MASTER);
if (CSR_READ_4(sc, IPW_CSR_RST) & IPW_RST_MASTER_DISABLED)
tmp = CSR_READ_4(sc, IPW_CSR_RST);
CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET);
tmp = CSR_READ_4(sc, IPW_CSR_RST);
CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_SW_RESET);
CSR_WRITE_4(sc, IPW_CSR_RST, 0);
CSR_WRITE_4(sc, IPW_CSR_RST, 0);
CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET);