/* $NetBSD: ehci_hollywood.c,v 1.2.2.4 2024/10/14 16:44:42 martin Exp $ */ /*- * Copyright (c) 2024 Jared McNeill * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: ehci_hollywood.c,v 1.2.2.4 2024/10/14 16:44:42 martin Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include "hollywood.h" #define USB_CHICKENBITS 0x0d0400cc #define EHCI_INTR_ENABLE 0x00008000 extern struct powerpc_bus_dma_tag wii_mem2_bus_dma_tag; static int ehci_hollywood_match(device_t, cfdata_t, void *); static void ehci_hollywood_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(ehci_hollywood, sizeof(struct ehci_softc), ehci_hollywood_match, ehci_hollywood_attach, NULL, NULL); static int ehci_hollywood_match(device_t parent, cfdata_t cf, void *aux) { return 1; } static void ehci_hollywood_attach(device_t parent, device_t self, void *aux) { struct hollywood_attach_args *haa = aux; struct ehci_softc *sc = device_private(self); int error; sc->sc_dev = self; sc->sc_bus.ub_hcpriv = sc; sc->sc_bus.ub_dmatag = &wii_mem2_bus_dma_tag; sc->sc_bus.ub_revision = USBREV_2_0; sc->sc_flags = EHCIF_32BIT_ACCESS; sc->sc_ncomp = 2; sc->sc_size = 0x100; sc->iot = haa->haa_bst; if (bus_space_map(sc->iot, haa->haa_addr, sc->sc_size, 0, &sc->ioh)) { aprint_error(": couldn't map registers\n"); return; } aprint_naive("\n"); aprint_normal(": EHCI\n"); hollywood_claim_device(self, IOPEHCEN); sc->sc_offs = EREAD1(sc, EHCI_CAPLENGTH); EOWRITE4(sc, EHCI_USBINTR, 0); out32(USB_CHICKENBITS, in32(USB_CHICKENBITS) | EHCI_INTR_ENABLE); hollywood_intr_establish(haa->haa_irq, IPL_USB, ehci_intr, sc, device_xname(self)); error = ehci_init(sc); if (error != 0) { aprint_error_dev(self, "init failed, error = %d\n", error); return; } sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint, CFARGS_NONE); }