USART_DEFAULT_ADDRESS
{ "dz", AIC_USART, USART_DEFAULT_ADDRESS, NULL, sizeof(struct _Usart)},
pmap_kenter_pa(USART_DEFAULT_ADDRESS,
USART_DEFAULT_ADDRESS,VM_PROT_WRITE|VM_PROT_READ);
tlb.tlb_hi = USART_DEFAULT_ADDRESS;
tlb.tlb_lo0 = USART_DEFAULT_ADDRESS | 0xf02;
dz_ebus_cnsetup(USART_DEFAULT_ADDRESS);
pmap_kenter_pa(USART_DEFAULT_ADDRESS,
USART_DEFAULT_ADDRESS,VM_PROT_WRITE|VM_PROT_READ);
tlb.tlb_hi = USART_DEFAULT_ADDRESS;
tlb.tlb_lo0 = USART_DEFAULT_ADDRESS | 0xf02;
dz_ebus_cnsetup(USART_DEFAULT_ADDRESS);