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/* $OpenBSD: octehci.c,v 1.3 2017/07/25 11:01:28 jmatthew Exp $ */
/*
* Copyright (c) 2015 Jonathan Matthew <jmatthew@openbsd.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/intr.h>
#include <machine/bus.h>
#include <machine/octeonreg.h>
#include <machine/octeonvar.h>
#include <octeon/dev/octuctlreg.h>
#include <octeon/dev/octuctlvar.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <sys/rwlock.h>
#include <dev/usb/ehcireg.h>
#include <dev/usb/ehcivar.h>
struct octehci_softc {
struct ehci_softc sc_ehci;
void *sc_ih;
};
int octehci_match(struct device *, void *, void *);
void octehci_attach(struct device *, struct device *, void *);
const struct cfattach octehci_ca = {
sizeof(struct octehci_softc), octehci_match, octehci_attach,
};
struct cfdriver octehci_cd = {
NULL, "ehci", DV_DULL
};
int
octehci_match(struct device *parent, void *match, void *aux)
{
struct octuctl_attach_args *aa = aux;
return (OF_is_compatible(aa->aa_node, "cavium,octeon-6335-ehci"));
}
void
octehci_attach(struct device *parent, struct device *self, void *aux)
{
struct octehci_softc *sc = (struct octehci_softc *)self;
struct octuctl_attach_args *aa = aux;
uint64_t port_ctl;
int rc;
int s;
sc->sc_ehci.iot = aa->aa_bust;
sc->sc_ehci.sc_bus.pipe_size = sizeof(struct usbd_pipe);
sc->sc_ehci.sc_bus.dmatag = aa->aa_dmat;
rc = bus_space_map(sc->sc_ehci.iot, aa->aa_reg.addr, aa->aa_reg.size,
0, &sc->sc_ehci.ioh);
KASSERT(rc == 0);
port_ctl = bus_space_read_8(aa->aa_octuctl_bust, aa->aa_ioh,
UCTL_EHCI_CTL);
port_ctl &= ~UCTL_EHCI_CTL_L2C_ADDR_MSB_MASK;
port_ctl |= (1 << UCTL_EHCI_CTL_L2C_DESC_EMOD_SHIFT);
port_ctl |= (1 << UCTL_EHCI_CTL_L2C_BUFF_EMOD_SHIFT);
port_ctl |= UCTL_EHCI_CTL_EHCI_64B_ADDR_EN;
bus_space_write_8(aa->aa_octuctl_bust, aa->aa_ioh, UCTL_EHCI_CTL,
port_ctl);
s = splhardusb();
sc->sc_ehci.sc_offs = EREAD1(&sc->sc_ehci, EHCI_CAPLENGTH);
EOWRITE2(&sc->sc_ehci, EHCI_USBINTR, 0);
sc->sc_ehci.sc_id_vendor = 0;
strlcpy(sc->sc_ehci.sc_vendor, "Octeon", sizeof(sc->sc_ehci.sc_vendor));
sc->sc_ih = octeon_intr_establish(CIU_INT_USB, IPL_USB | IPL_MPSAFE,
ehci_intr, (void *)&sc->sc_ehci, sc->sc_ehci.sc_bus.bdev.dv_xname);
KASSERT(sc->sc_ih != NULL);
rc = ehci_init(&sc->sc_ehci);
if (rc != USBD_NORMAL_COMPLETION) {
printf(": init failed, error=%d\n", rc);
octeon_intr_disestablish(sc->sc_ih);
bus_space_unmap(sc->sc_ehci.iot, sc->sc_ehci.ioh,
aa->aa_reg.size);
splx(s);
return;
}
printf("\n");
if (rc == 0)
config_found(self, &sc->sc_ehci.sc_bus, usbctlprint);
splx(s);
}
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