ingenic_ehci.c revision 1.3.2.2
1 1.3.2.2 skrll /* $NetBSD: ingenic_ehci.c,v 1.3.2.2 2015/04/06 15:17:59 skrll Exp $ */ 2 1.3.2.2 skrll 3 1.3.2.2 skrll /*- 4 1.3.2.2 skrll * Copyright (c) 2015 Michael Lorenz 5 1.3.2.2 skrll * All rights reserved. 6 1.3.2.2 skrll * 7 1.3.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.3.2.2 skrll * modification, are permitted provided that the following conditions 9 1.3.2.2 skrll * are met: 10 1.3.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.3.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.3.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.3.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.3.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.3.2.2 skrll * 16 1.3.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.3.2.2 skrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.3.2.2 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.3.2.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.3.2.2 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.3.2.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.3.2.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.3.2.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.3.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.3.2.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.3.2.2 skrll * POSSIBILITY OF SUCH DAMAGE. 27 1.3.2.2 skrll */ 28 1.3.2.2 skrll 29 1.3.2.2 skrll #include <sys/cdefs.h> 30 1.3.2.2 skrll __KERNEL_RCSID(0, "$NetBSD: ingenic_ehci.c,v 1.3.2.2 2015/04/06 15:17:59 skrll Exp $"); 31 1.3.2.2 skrll 32 1.3.2.2 skrll #include <sys/param.h> 33 1.3.2.2 skrll #include <sys/systm.h> 34 1.3.2.2 skrll #include <sys/device.h> 35 1.3.2.2 skrll #include <sys/mutex.h> 36 1.3.2.2 skrll #include <sys/bus.h> 37 1.3.2.2 skrll #include <sys/workqueue.h> 38 1.3.2.2 skrll 39 1.3.2.2 skrll #include <mips/ingenic/ingenic_var.h> 40 1.3.2.2 skrll #include <mips/ingenic/ingenic_regs.h> 41 1.3.2.2 skrll 42 1.3.2.2 skrll #include <dev/usb/usb.h> 43 1.3.2.2 skrll #include <dev/usb/usbdi.h> 44 1.3.2.2 skrll #include <dev/usb/usbdivar.h> 45 1.3.2.2 skrll #include <dev/usb/usb_mem.h> 46 1.3.2.2 skrll 47 1.3.2.2 skrll #include <dev/usb/ehcireg.h> 48 1.3.2.2 skrll #include <dev/usb/ehcivar.h> 49 1.3.2.2 skrll 50 1.3.2.2 skrll #include <dev/usb/usbdevs.h> 51 1.3.2.2 skrll 52 1.3.2.2 skrll #include "opt_ingenic.h" 53 1.3.2.2 skrll #include "ohci.h" 54 1.3.2.2 skrll 55 1.3.2.2 skrll static int ingenic_ehci_match(device_t, struct cfdata *, void *); 56 1.3.2.2 skrll static void ingenic_ehci_attach(device_t, device_t, void *); 57 1.3.2.2 skrll 58 1.3.2.2 skrll CFATTACH_DECL_NEW(ingenic_ehci, sizeof(struct ehci_softc), 59 1.3.2.2 skrll ingenic_ehci_match, ingenic_ehci_attach, NULL, NULL); 60 1.3.2.2 skrll 61 1.3.2.2 skrll #if NOHCI > 0 62 1.3.2.2 skrll extern device_t ingenic_ohci; 63 1.3.2.2 skrll #endif 64 1.3.2.2 skrll 65 1.3.2.2 skrll /* ARGSUSED */ 66 1.3.2.2 skrll static int 67 1.3.2.2 skrll ingenic_ehci_match(device_t parent, struct cfdata *match, void *aux) 68 1.3.2.2 skrll { 69 1.3.2.2 skrll struct apbus_attach_args *aa = aux; 70 1.3.2.2 skrll 71 1.3.2.2 skrll if (strcmp(aa->aa_name, "ehci") != 0) 72 1.3.2.2 skrll return 0; 73 1.3.2.2 skrll 74 1.3.2.2 skrll return 1; 75 1.3.2.2 skrll } 76 1.3.2.2 skrll 77 1.3.2.2 skrll /* ARGSUSED */ 78 1.3.2.2 skrll static void 79 1.3.2.2 skrll ingenic_ehci_attach(device_t parent, device_t self, void *aux) 80 1.3.2.2 skrll { 81 1.3.2.2 skrll struct ehci_softc *sc = device_private(self); 82 1.3.2.2 skrll struct apbus_attach_args *aa = aux; 83 1.3.2.2 skrll void *ih; 84 1.3.2.2 skrll int error; 85 1.3.2.2 skrll uint32_t reg; 86 1.3.2.2 skrll 87 1.3.2.2 skrll sc->sc_dev = self; 88 1.3.2.2 skrll 89 1.3.2.2 skrll sc->iot = aa->aa_bst; 90 1.3.2.2 skrll sc->sc_bus.dmatag = aa->aa_dmat; 91 1.3.2.2 skrll sc->sc_bus.hci_private = sc; 92 1.3.2.2 skrll sc->sc_size = 0x1000; 93 1.3.2.2 skrll sc->sc_bus.usbrev = USBREV_2_0; 94 1.3.2.2 skrll 95 1.3.2.2 skrll if (aa->aa_addr == 0) 96 1.3.2.2 skrll aa->aa_addr = JZ_EHCI_BASE; 97 1.3.2.2 skrll 98 1.3.2.2 skrll error = bus_space_map(aa->aa_bst, aa->aa_addr, 0x1000, 0, &sc->ioh); 99 1.3.2.2 skrll if (error) { 100 1.3.2.2 skrll aprint_error_dev(self, 101 1.3.2.2 skrll "can't map registers for %s: %d\n", aa->aa_name, error); 102 1.3.2.2 skrll return; 103 1.3.2.2 skrll } 104 1.3.2.2 skrll 105 1.3.2.2 skrll aprint_naive(": EHCI USB controller\n"); 106 1.3.2.2 skrll aprint_normal(": EHCI USB controller\n"); 107 1.3.2.2 skrll 108 1.3.2.2 skrll /* 109 1.3.2.2 skrll * voodoo from the linux driver: 110 1.3.2.2 skrll * select utmi data bus width of controller to 16bit 111 1.3.2.2 skrll */ 112 1.3.2.2 skrll reg = bus_space_read_4(sc->iot, sc->ioh, 0xb0); 113 1.3.2.2 skrll reg |= 1 << 6; 114 1.3.2.2 skrll bus_space_write_4(sc->iot, sc->ioh, 0xb0, reg); 115 1.3.2.2 skrll 116 1.3.2.2 skrll /* Disable EHCI interrupts */ 117 1.3.2.2 skrll bus_space_write_4(sc->iot, sc->ioh, EHCI_USBINTR, 0); 118 1.3.2.2 skrll 119 1.3.2.2 skrll ih = evbmips_intr_establish(aa->aa_irq, ehci_intr, sc); 120 1.3.2.2 skrll 121 1.3.2.2 skrll if (ih == NULL) { 122 1.3.2.2 skrll aprint_error_dev(self, "failed to establish interrupt %d\n", 123 1.3.2.2 skrll aa->aa_irq); 124 1.3.2.2 skrll goto fail; 125 1.3.2.2 skrll } 126 1.3.2.2 skrll 127 1.3.2.2 skrll #if NOHCI > 0 128 1.3.2.2 skrll if (ingenic_ohci != NULL) { 129 1.3.2.2 skrll sc->sc_ncomp = 1; 130 1.3.2.2 skrll sc->sc_comps[0] = ingenic_ohci; 131 1.3.2.2 skrll } else 132 1.3.2.2 skrll sc->sc_ncomp = 0; 133 1.3.2.2 skrll #else 134 1.3.2.2 skrll sc->sc_ncomp = 0; 135 1.3.2.2 skrll #endif 136 1.3.2.2 skrll sc->sc_id_vendor = USB_VENDOR_INGENIC; 137 1.3.2.2 skrll strlcpy(sc->sc_vendor, "Ingenic", sizeof(sc->sc_vendor)); 138 1.3.2.2 skrll 139 1.3.2.2 skrll error = ehci_init(sc); 140 1.3.2.2 skrll if (error) { 141 1.3.2.2 skrll aprint_error_dev(self, "init failed, error=%d\n", error); 142 1.3.2.2 skrll goto fail; 143 1.3.2.2 skrll } 144 1.3.2.2 skrll 145 1.3.2.2 skrll /* Attach USB device */ 146 1.3.2.2 skrll sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint); 147 1.3.2.2 skrll 148 1.3.2.2 skrll return; 149 1.3.2.2 skrll 150 1.3.2.2 skrll fail: 151 1.3.2.2 skrll if (ih) { 152 1.3.2.2 skrll evbmips_intr_disestablish(ih); 153 1.3.2.2 skrll } 154 1.3.2.2 skrll bus_space_unmap(sc->iot, sc->ioh, 0x1000); 155 1.3.2.2 skrll } 156
Indexes created Thu Oct 23 22:10:10 GMT 2025