SL11_E0ADDR
sl11write(sc, SL11_E0ADDR, 0x40);
{{SL11_E0ADDR, SL11_E0LEN, SL11_E0PID, SL11_E0DEV },
slhci_write(sc, SL11_E0ADDR, SL11_BUFFER_START);
aaddr = slhci_read(ssc, SL11_E0ADDR);
#define SL11_E1ADDR (SL11_E1BASE + SL11_E0ADDR)