SL11_E0DEV
sl11write(sc, SL11_E0DEV, devaddr);
{{SL11_E0ADDR, SL11_E0LEN, SL11_E0PID, SL11_E0DEV },
slhci_write(sc, SL11_E0DEV, 0);
#define SL11_E1DEV (SL11_E1BASE + SL11_E0DEV)