1 /* $OpenBSD: octehci.c,v 1.1 2016/03/18 05:38:10 jmatthew Exp $ */ 2 3 /* 4 * Copyright (c) 2015 Jonathan Matthew <jmatthew@openbsd.org> 5 * 6 * Permission to use, copy, modify, and/or distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/param.h> 20 #include <sys/systm.h> 21 #include <sys/device.h> 22 23 #include <machine/intr.h> 24 #include <machine/bus.h> 25 #include <machine/octeonreg.h> 26 #include <machine/octeonvar.h> 27 28 #include <octeon/dev/octuctlreg.h> 29 #include <octeon/dev/octuctlvar.h> 30 31 #include <dev/usb/usb.h> 32 #include <dev/usb/usbdi.h> 33 #include <dev/usb/usbdivar.h> 34 35 #include <sys/rwlock.h> 36 #include <dev/usb/ehcireg.h> 37 #include <dev/usb/ehcivar.h> 38 39 struct octehci_softc { 40 struct ehci_softc sc_ehci; 41 42 void *sc_ih; 43 }; 44 45 int octehci_match(struct device *, void *, void *); 46 void octehci_attach(struct device *, struct device *, void *); 47 48 const struct cfattach octehci_ca = { 49 sizeof(struct octehci_softc), octehci_match, octehci_attach, 50 }; 51 52 struct cfdriver octehci_cd = { 53 NULL, "ehci", DV_DULL 54 }; 55 56 int 57 octehci_match(struct device *parent, void *match, void *aux) 58 { 59 struct octuctl_attach_args *aa = aux; 60 61 if (strcmp(aa->aa_name, "ehci") != 0) 62 return (0); 63 64 return (1); 65 } 66 67 void 68 octehci_attach(struct device *parent, struct device *self, void *aux) 69 { 70 struct octehci_softc *sc = (struct octehci_softc *)self; 71 struct octuctl_attach_args *aa = aux; 72 uint64_t port_ctl; 73 int rc; 74 int s; 75 76 sc->sc_ehci.iot = aa->aa_bust; 77 sc->sc_ehci.sc_bus.pipe_size = sizeof(struct usbd_pipe); 78 sc->sc_ehci.sc_bus.dmatag = aa->aa_dmat; 79 80 rc = bus_space_map(sc->sc_ehci.iot, UCTL_EHCI_BASE, UCTL_EHCI_SIZE, 81 0, &sc->sc_ehci.ioh); 82 KASSERT(rc == 0); 83 84 port_ctl = bus_space_read_8(aa->aa_octuctl_bust, aa->aa_ioh, 85 UCTL_EHCI_CTL); 86 port_ctl &= ~UCTL_EHCI_CTL_L2C_ADDR_MSB_MASK; 87 port_ctl |= (1 << UCTL_EHCI_CTL_L2C_DESC_EMOD_SHIFT); 88 port_ctl |= (1 << UCTL_EHCI_CTL_L2C_BUFF_EMOD_SHIFT); 89 port_ctl |= UCTL_EHCI_CTL_EHCI_64B_ADDR_EN; 90 bus_space_write_8(aa->aa_octuctl_bust, aa->aa_ioh, UCTL_EHCI_CTL, 91 port_ctl); 92 93 s = splhardusb(); 94 sc->sc_ehci.sc_offs = EREAD1(&sc->sc_ehci, EHCI_CAPLENGTH); 95 EOWRITE2(&sc->sc_ehci, EHCI_USBINTR, 0); 96 97 sc->sc_ehci.sc_id_vendor = 0; 98 strlcpy(sc->sc_ehci.sc_vendor, "Octeon", sizeof(sc->sc_ehci.sc_vendor)); 99 100 sc->sc_ih = octeon_intr_establish(CIU_INT_USB, IPL_USB, ehci_intr, 101 (void *)&sc->sc_ehci, sc->sc_ehci.sc_bus.bdev.dv_xname); 102 KASSERT(sc->sc_ih != NULL); 103 104 rc = ehci_init(&sc->sc_ehci); 105 if (rc != USBD_NORMAL_COMPLETION) { 106 printf(": init failed, error=%d\n", rc); 107 octeon_intr_disestablish(sc->sc_ih); 108 bus_space_unmap(sc->sc_ehci.iot, sc->sc_ehci.ioh, 109 UCTL_EHCI_SIZE); 110 splx(s); 111 return; 112 } 113 114 printf("\n"); 115 if (rc == 0) 116 config_found(self, &sc->sc_ehci.sc_bus, usbctlprint); 117 splx(s); 118 } 119