static int
lpc_init(struct vmctx *ctx)
{
struct lpc_uart_softc *sc;
struct inout_port iop;
const char *name;
int unit, error;
if (romfile != NULL) {
error = bootrom_init(ctx, romfile);
if (error)
return (error);
}
/* COM1 and COM2 */
for (unit = 0; unit < LPC_UART_NUM; unit++) {
sc = &lpc_uart_softc[unit];
name = lpc_uart_names[unit];
if (uart_legacy_alloc(unit, &sc->iobase, &sc->irq) != 0) {
fprintf(stderr, "Unable to allocate resources for "
"LPC device %s\n", name);
return (-1);
}
pci_irq_reserve(sc->irq);
sc->uart_softc = uart_init(lpc_uart_intr_assert,
lpc_uart_intr_deassert, sc);
if (uart_set_backend(sc->uart_softc, sc->opts) != 0) {
fprintf(stderr, "Unable to initialize backend '%s' "
"for LPC device %s\n", sc->opts, name);
return (-1);
}
bzero(&iop, sizeof(struct inout_port));
iop.name = name;
iop.port = sc->iobase;
iop.size = UART_IO_BAR_SIZE;
iop.flags = IOPORT_F_INOUT;
iop.handler = lpc_uart_io_handler;
iop.arg = sc;
error = register_inout(&iop);
assert(error == 0);
sc->enabled = 1;
}
return (0);
}
static int
pci_uart_init(struct vmctx *ctx, struct pci_devinst *pi, char *opts)
{
struct uart_softc *sc;
pci_emul_alloc_bar(pi, 0, PCIBAR_IO, UART_IO_BAR_SIZE);
pci_lintr_request(pi);
/* initialize config space */
pci_set_cfgdata16(pi, PCIR_DEVICE, COM_DEV);
pci_set_cfgdata16(pi, PCIR_VENDOR, COM_VENDOR);
pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_SIMPLECOMM);
sc = uart_init(pci_uart_intr_assert, pci_uart_intr_deassert, pi);
pi->pi_arg = sc;
if (uart_set_backend(sc, opts) != 0) {
fprintf(stderr, "Unable to initialize backend '%s' for "
"pci uart at %d:%d\n", opts, pi->pi_slot, pi->pi_func);
return (-1);
}
return (0);
}
