diff options
Diffstat (limited to 'sys/arch/octeon/dev/octohci.c')
| -rw-r--r-- | sys/arch/octeon/dev/octohci.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sys/arch/octeon/dev/octohci.c b/sys/arch/octeon/dev/octohci.c new file mode 100644 index 00000000000..e23489b7153 --- /dev/null +++ b/sys/arch/octeon/dev/octohci.c @@ -0,0 +1,142 @@ +/* $OpenBSD: octohci.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 <dev/usb/ohcireg.h> +#include <dev/usb/ohcivar.h> + +struct octohci_softc { + struct ohci_softc sc_ohci; + + void *sc_ih; +}; + +int octohci_match(struct device *, void *, void *); +void octohci_attach(struct device *, struct device *, void *); +void octohci_attach_deferred(struct device *); + +const struct cfattach octohci_ca = { + sizeof(struct octohci_softc), octohci_match, octohci_attach, +}; + +struct cfdriver octohci_cd = { + NULL, "ohci", DV_DULL +}; + +int +octohci_match(struct device *parent, void *match, void *aux) +{ + struct octuctl_attach_args *aa = aux; + + if (strcmp(aa->aa_name, "ohci") != 0) + return (0); + + return (1); +} + +void +octohci_attach(struct device *parent, struct device *self, void *aux) +{ + struct octohci_softc *sc = (struct octohci_softc *)self; + struct octuctl_attach_args *aa = aux; + char *devname; + uint64_t port_ctl; + int rc; + int s; + + sc->sc_ohci.iot = aa->aa_bust; + sc->sc_ohci.sc_bus.pipe_size = sizeof(struct usbd_pipe); + sc->sc_ohci.sc_bus.dmatag = aa->aa_dmat; + + rc = bus_space_map(sc->sc_ohci.iot, UCTL_OHCI_BASE, UCTL_OHCI_SIZE, + 0, &sc->sc_ohci.ioh); + KASSERT(rc == 0); + + port_ctl = bus_space_read_8(aa->aa_octuctl_bust, aa->aa_ioh, + UCTL_OHCI_CTL); + port_ctl &= ~UCTL_OHCI_CTL_L2C_ADDR_MSB_MASK; + port_ctl |= (1 << UCTL_OHCI_CTL_L2C_DESC_EMOD_SHIFT); + port_ctl |= (1 << UCTL_OHCI_CTL_L2C_BUFF_EMOD_SHIFT); + bus_space_write_8(aa->aa_octuctl_bust, aa->aa_ioh, UCTL_OHCI_CTL, + port_ctl); + + s = splusb(); + + sc->sc_ohci.sc_id_vendor = 0; + strlcpy(sc->sc_ohci.sc_vendor, "Octeon", sizeof(sc->sc_ohci.sc_vendor)); + + sc->sc_ih = octeon_intr_establish(CIU_INT_USB, IPL_USB, ohci_intr, + (void *)&sc->sc_ohci, devname); + KASSERT(sc->sc_ih != NULL); + + if ((ohci_checkrev(&sc->sc_ohci) != USBD_NORMAL_COMPLETION) || + (ohci_handover(&sc->sc_ohci) != USBD_NORMAL_COMPLETION)) + goto failed; + + /* ignore interrupts for now */ + sc->sc_ohci.sc_bus.dying = 1; + config_defer(self, octohci_attach_deferred); + + splx(s); + return; + +failed: + octeon_intr_disestablish(sc->sc_ih); + bus_space_unmap(sc->sc_ohci.iot, sc->sc_ohci.ioh, UCTL_OHCI_SIZE); + splx(s); + return; +} + +void +octohci_attach_deferred(struct device *self) +{ + struct octohci_softc *sc = (struct octohci_softc *)self; + usbd_status r; + int s; + + s = splusb(); + sc->sc_ohci.sc_bus.dying = 0; + + r = ohci_init(&sc->sc_ohci); + splx(s); + + if (r != USBD_NORMAL_COMPLETION) { + printf("%s: init failed, error=%d\n", + sc->sc_ohci.sc_bus.bdev.dv_xname, r); + octeon_intr_disestablish(sc->sc_ih); + bus_space_unmap(sc->sc_ohci.iot, sc->sc_ohci.ioh, + UCTL_OHCI_SIZE); + } else { + config_found(self, &sc->sc_ohci.sc_bus, usbctlprint); + } +} |