/*
* Attach all the sub-devices we can find
*/
void
lebufattach(struct device *parent, struct device *self, void *aux)
{
struct sbus_attach_args *sa = aux;
struct lebuf_softc *sc = (void *)self;
int node;
int sbusburst;
struct sparc_bus_space_tag *sbt;
bus_space_handle_t bh;
sc->sc_bustag = sa->sa_bustag;
sc->sc_dmatag = sa->sa_dmatag;
if (sbus_bus_map(sa->sa_bustag,
sa->sa_slot, sa->sa_offset, sa->sa_size,
BUS_SPACE_MAP_LINEAR, 0, &bh) != 0) {
printf("%s: attach: cannot map registers\n", self->dv_xname);
return;
}
/*
* This device's "register space" is just a buffer where the
* Lance ring-buffers can be stored. Note the buffer's location
* and size, so the `le' driver can pick them up.
*/
sc->sc_buffer = (void *)bus_space_vaddr(sa->sa_bustag, bh);
sc->sc_bufsiz = sa->sa_size;
node = sc->sc_node = sa->sa_node;
/*
* Get transfer burst size from PROM
*/
sbusburst = ((struct sbus_softc *)parent)->sc_burst;
if (sbusburst == 0)
sbusburst = SBUS_BURST_32 - 1; /* 1->16 */
sc->sc_burst = getpropint(node, "burst-sizes", -1);
if (sc->sc_burst == -1)
/* take SBus burst sizes */
sc->sc_burst = sbusburst;
/* Clamp at parent's burst sizes */
sc->sc_burst &= sbusburst;
/* Allocate a bus tag */
sbt = malloc(sizeof(*sbt), M_DEVBUF, M_NOWAIT | M_ZERO);
if (sbt == NULL) {
printf("%s: attach: out of memory\n", self->dv_xname);
return;
}
printf(": %dK memory\n", sc->sc_bufsiz / 1024);
sbt->cookie = sc;
sbt->parent = sc->sc_bustag;
sbt->asi = sbt->parent->asi;
sbt->sasi = sbt->parent->sasi;
/* search through children */
for (node = firstchild(node); node; node = nextsibling(node)) {
struct sbus_attach_args sa;
sbus_setup_attach_args((struct sbus_softc *)parent,
sbt, sc->sc_dmatag, node, &sa);
(void)config_found(&sc->sc_dev, (void *)&sa, lebufprint);
sbus_destroy_attach_args(&sa);
}
}
void
dmaattach_sbus(device_t parent, device_t self, void *aux)
{
struct dma_softc *dsc = device_private(self);
struct lsi64854_softc *sc = &dsc->sc_lsi64854;
struct sbus_attach_args *sa = aux;
struct sbus_softc *sbsc = device_private(parent);
bus_space_tag_t sbt;
int sbusburst, burst;
int node;
node = sa->sa_node;
sc->sc_dev = self;
sc->sc_bustag = sa->sa_bustag;
sc->sc_dmatag = sa->sa_dmatag;
/* Map registers */
if (sa->sa_npromvaddrs) {
sbus_promaddr_to_handle(sa->sa_bustag,
sa->sa_promvaddrs[0], &sc->sc_regs);
} else {
if (sbus_bus_map(sa->sa_bustag,
sa->sa_slot, sa->sa_offset, sa->sa_size,
0, &sc->sc_regs) != 0) {
aprint_error(": cannot map registers\n");
return;
}
}
/*
* Get transfer burst size from PROM and plug it into the
* controller registers. This is needed on the Sun4m; do
* others need it too?
*/
sbusburst = sbsc->sc_burst;
if (sbusburst == 0)
sbusburst = SBUS_BURST_32 - 1; /* 1->16 */
burst = prom_getpropint(node,"burst-sizes", -1);
if (burst == -1)
/* take SBus burst sizes */
burst = sbusburst;
/* Clamp at parent's burst sizes */
burst &= sbusburst;
sc->sc_burst = (burst & SBUS_BURST_32) ? 32 :
(burst & SBUS_BURST_16) ? 16 : 0;
if (device_is_a(self, "ledma")) {
char *cabletype;
uint32_t csr;
/*
* Check to see which cable type is currently active and
* set the appropriate bit in the ledma csr so that it
* gets used. If we didn't netboot, the PROM won't have
* the "cable-selection" property; default to TP and then
* the user can change it via a "media" option to ifconfig.
*/
cabletype = prom_getpropstring(node, "cable-selection");
csr = L64854_GCSR(sc);
if (strcmp(cabletype, "tpe") == 0) {
csr |= E_TP_AUI;
} else if (strcmp(cabletype, "aui") == 0) {
csr &= ~E_TP_AUI;
} else {
/* assume TP if nothing there */
csr |= E_TP_AUI;
}
L64854_SCSR(sc, csr);
delay(20000); /* manual says we need a 20ms delay */
sc->sc_channel = L64854_CHANNEL_ENET;
} else {
sc->sc_channel = L64854_CHANNEL_SCSI;
}
sbus_establish(&dsc->sc_sd, self);
if ((sbt = bus_space_tag_alloc(sc->sc_bustag, dsc)) == NULL) {
aprint_error(": out of memory\n");
return;
}
sbt->sparc_intr_establish = dmabus_intr_establish;
lsi64854_attach(sc);
/* Attach children */
for (node = firstchild(sa->sa_node); node; node = nextsibling(node)) {
struct sbus_attach_args sax;
sbus_setup_attach_args(sbsc, sbt, sc->sc_dmatag, node, &sax);
(void)config_found(self, (void *)&sax, dmaprint_sbus);
sbus_destroy_attach_args(&sax);
}
}
