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Turn this into an uart(4) bus attachment.

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This commit is contained in:
Marcel Moolenaar 2006-07-26 19:39:55 +00:00
parent 167f7b7e03
commit 3c1cfa96bd
1 changed files with 19 additions and 40 deletions
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59
sys/powerpc/psim/uart_iobus.c
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@ -47,62 +47,41 @@
#include <dev/ofw/openfirm.h>
#include <powerpc/psim/iobusvar.h>
#include <dev/sio/sioreg.h>
#include <dev/sio/siovar.h>
#include <dev/uart/uart.h>
#include <dev/uart/uart_bus.h>
#include <isa/isavar.h> /* for isa_irq_pending() prototype */
static int uart_iobus_probe(device_t dev);
static int sio_iobus_attach(device_t dev);
static int sio_iobus_probe(device_t dev);
static device_method_t sio_iobus_methods[] = {
static device_method_t uart_iobus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, sio_iobus_probe),
DEVMETHOD(device_attach, sio_iobus_attach),
DEVMETHOD(device_probe, uart_iobus_probe),
DEVMETHOD(device_attach, uart_bus_attach),
DEVMETHOD(device_detach, uart_bus_detach),
{ 0, 0 }
};
static driver_t sio_iobus_driver = {
sio_driver_name,
sio_iobus_methods,
0,
static driver_t uart_iobus_driver = {
uart_driver_name,
uart_iobus_methods,
sizeof(struct uart_softc),
};
static int
sio_iobus_attach(device_t dev)
uart_iobus_probe(device_t dev)
{
return (sioattach(dev, 0, DEFAULT_RCLK));
}
static int
sio_iobus_probe(device_t dev)
{
char *type = iobus_get_name(dev);
struct uart_softc *sc;
char *type;
type = iobus_get_name(dev);
if (strncmp(type, "com", 3) != 0)
return (ENXIO);
sc = device_get_softc(dev);
sc->sc_class = &uart_ns8250_class;
device_set_desc(dev, "PSIM serial port");
/*
* Call sioprobe with noprobe=1, to avoid hitting a psim bug
*/
return (sioprobe(dev, 0, 0, 1));
return (uart_bus_probe(dev, 0, 0, 0, 0));
}
DRIVER_MODULE(sio, iobus, sio_iobus_driver, sio_devclass, 0, 0);
/*
* Stub function. Perhaps a way to get this to work correctly would
* be for child devices to set a field in the dev structure to
* inform the parent that they are isa devices, and then use a
* intr_pending() call which would propagate up to nexus to see
* if the interrupt controller had any intrs in the isa group set
*/
intrmask_t
isa_irq_pending(void)
{
return (0);
}
DRIVER_MODULE(uart, iobus, uart_iobus_driver, uart_devclass, 0, 0);