DC_WATCHDOG
watchdogreg = CSR_READ_4(sc, DC_WATCHDOG);
CSR_WRITE_4(sc, DC_WATCHDOG, watchdogreg);
DC_SETBIT(sc, DC_WATCHDOG, DC_WDOG_JABBERDIS);
watchdogreg = CSR_READ_4(sc, DC_WATCHDOG);
CSR_WRITE_4(sc, DC_WATCHDOG, watchdogreg);
DC_SETBIT(sc, DC_WATCHDOG, DC_WDOG_JABBERDIS);
CSR_WRITE_4(sc, DC_WATCHDOG, 0);
CSR_WRITE_4(sc, DC_WATCHDOG, reg);
CSR_WRITE_4(sc, DC_WATCHDOG, reg);
CSR_WRITE_4(sc, DC_WATCHDOG, DC_WDOG_JABBERCLK |
CSR_WRITE_4(sc, DC_WATCHDOG,
CSR_WRITE_4(sc, DC_WATCHDOG, 0);