diff options
Diffstat (limited to 'sys/arch/octeon/dev/octehci.c')
| -rw-r--r-- | sys/arch/octeon/dev/octehci.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/sys/arch/octeon/dev/octehci.c b/sys/arch/octeon/dev/octehci.c new file mode 100644 index 00000000000..c6cacac6946 --- /dev/null +++ b/sys/arch/octeon/dev/octehci.c @@ -0,0 +1,118 @@ +/* $OpenBSD: octehci.c,v 1.1 2016/03/18 05:38:10 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; + + if (strcmp(aa->aa_name, "ehci") != 0) + return (0); + + return (1); +} + +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, UCTL_EHCI_BASE, UCTL_EHCI_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, 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, + UCTL_EHCI_SIZE); + splx(s); + return; + } + + printf("\n"); + if (rc == 0) + config_found(self, &sc->sc_ehci.sc_bus, usbctlprint); + splx(s); +} |