bcm2835_dwctwo.c revision 1.1.10.2
1 1.1.10.2 tls /* $NetBSD: bcm2835_dwctwo.c,v 1.1.10.2 2014/08/20 00:02:45 tls Exp $ */ 2 1.1.10.2 tls 3 1.1.10.2 tls /*- 4 1.1.10.2 tls * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 1.1.10.2 tls * All rights reserved. 6 1.1.10.2 tls * 7 1.1.10.2 tls * This code is derived from software contributed to The NetBSD Foundation 8 1.1.10.2 tls * by Nick Hudson 9 1.1.10.2 tls * 10 1.1.10.2 tls * Redistribution and use in source and binary forms, with or without 11 1.1.10.2 tls * modification, are permitted provided that the following conditions 12 1.1.10.2 tls * are met: 13 1.1.10.2 tls * 1. Redistributions of source code must retain the above copyright 14 1.1.10.2 tls * notice, this list of conditions and the following disclaimer. 15 1.1.10.2 tls * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.10.2 tls * notice, this list of conditions and the following disclaimer in the 17 1.1.10.2 tls * documentation and/or other materials provided with the distribution. 18 1.1.10.2 tls * 19 1.1.10.2 tls * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.10.2 tls * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.10.2 tls * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.10.2 tls * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.10.2 tls * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.10.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.10.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.10.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.10.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.10.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.10.2 tls * POSSIBILITY OF SUCH DAMAGE. 30 1.1.10.2 tls */ 31 1.1.10.2 tls 32 1.1.10.2 tls #include <sys/cdefs.h> 33 1.1.10.2 tls __KERNEL_RCSID(0, "$NetBSD: bcm2835_dwctwo.c,v 1.1.10.2 2014/08/20 00:02:45 tls Exp $"); 34 1.1.10.2 tls 35 1.1.10.2 tls #include <sys/param.h> 36 1.1.10.2 tls #include <sys/systm.h> 37 1.1.10.2 tls #include <sys/device.h> 38 1.1.10.2 tls #include <sys/mutex.h> 39 1.1.10.2 tls #include <sys/bus.h> 40 1.1.10.2 tls #include <sys/workqueue.h> 41 1.1.10.2 tls 42 1.1.10.2 tls #include <arm/broadcom/bcm2835reg.h> 43 1.1.10.2 tls #include <arm/broadcom/bcm_amba.h> 44 1.1.10.2 tls 45 1.1.10.2 tls #include <dev/usb/usb.h> 46 1.1.10.2 tls #include <dev/usb/usbdi.h> 47 1.1.10.2 tls #include <dev/usb/usbdivar.h> 48 1.1.10.2 tls #include <dev/usb/usb_mem.h> 49 1.1.10.2 tls 50 1.1.10.2 tls #include <dwc2/dwc2var.h> 51 1.1.10.2 tls 52 1.1.10.2 tls #include <dwc2/dwc2.h> 53 1.1.10.2 tls #include "dwc2_core.h" 54 1.1.10.2 tls 55 1.1.10.2 tls struct bcmdwc2_softc { 56 1.1.10.2 tls struct dwc2_softc sc_dwc2; 57 1.1.10.2 tls 58 1.1.10.2 tls void *sc_ih; 59 1.1.10.2 tls }; 60 1.1.10.2 tls 61 1.1.10.2 tls static struct dwc2_core_params bcmdwc2_params = { 62 1.1.10.2 tls .otg_cap = 0, /* HNP/SRP capable */ 63 1.1.10.2 tls .otg_ver = 0, /* 1.3 */ 64 1.1.10.2 tls .dma_enable = 1, 65 1.1.10.2 tls .dma_desc_enable = 0, 66 1.1.10.2 tls .speed = 0, /* High Speed */ 67 1.1.10.2 tls .enable_dynamic_fifo = 1, 68 1.1.10.2 tls .en_multiple_tx_fifo = 1, 69 1.1.10.2 tls .host_rx_fifo_size = 774, /* 774 DWORDs */ 70 1.1.10.2 tls .host_nperio_tx_fifo_size = 256, /* 256 DWORDs */ 71 1.1.10.2 tls .host_perio_tx_fifo_size = 512, /* 512 DWORDs */ 72 1.1.10.2 tls .max_transfer_size = 65535, 73 1.1.10.2 tls .max_packet_count = 511, 74 1.1.10.2 tls .host_channels = 8, 75 1.1.10.2 tls .phy_type = 1, /* UTMI */ 76 1.1.10.2 tls .phy_utmi_width = 8, /* 8 bits */ 77 1.1.10.2 tls .phy_ulpi_ddr = 0, /* Single */ 78 1.1.10.2 tls .phy_ulpi_ext_vbus = 0, 79 1.1.10.2 tls .i2c_enable = 0, 80 1.1.10.2 tls .ulpi_fs_ls = 0, 81 1.1.10.2 tls .host_support_fs_ls_low_power = 0, 82 1.1.10.2 tls .host_ls_low_power_phy_clk = 0, /* 48 MHz */ 83 1.1.10.2 tls .ts_dline = 0, 84 1.1.10.2 tls .reload_ctl = 0, 85 1.1.10.2 tls .ahbcfg = 0x10, 86 1.1.10.2 tls .uframe_sched = 1, 87 1.1.10.2 tls }; 88 1.1.10.2 tls 89 1.1.10.2 tls static int bcmdwc2_match(device_t, struct cfdata *, void *); 90 1.1.10.2 tls static void bcmdwc2_attach(device_t, device_t, void *); 91 1.1.10.2 tls static void bcmdwc2_deferred(device_t); 92 1.1.10.2 tls 93 1.1.10.2 tls CFATTACH_DECL_NEW(bcmdwctwo, sizeof(struct bcmdwc2_softc), 94 1.1.10.2 tls bcmdwc2_match, bcmdwc2_attach, NULL, NULL); 95 1.1.10.2 tls 96 1.1.10.2 tls /* ARGSUSED */ 97 1.1.10.2 tls static int 98 1.1.10.2 tls bcmdwc2_match(device_t parent, struct cfdata *match, void *aux) 99 1.1.10.2 tls { 100 1.1.10.2 tls struct amba_attach_args *aaa = aux; 101 1.1.10.2 tls 102 1.1.10.2 tls if (strcmp(aaa->aaa_name, "dwctwo") != 0) 103 1.1.10.2 tls return 0; 104 1.1.10.2 tls 105 1.1.10.2 tls return 1; 106 1.1.10.2 tls } 107 1.1.10.2 tls 108 1.1.10.2 tls /* ARGSUSED */ 109 1.1.10.2 tls static void 110 1.1.10.2 tls bcmdwc2_attach(device_t parent, device_t self, void *aux) 111 1.1.10.2 tls { 112 1.1.10.2 tls struct bcmdwc2_softc *sc = device_private(self); 113 1.1.10.2 tls struct amba_attach_args *aaa = aux; 114 1.1.10.2 tls int error; 115 1.1.10.2 tls 116 1.1.10.2 tls sc->sc_dwc2.sc_dev = self; 117 1.1.10.2 tls 118 1.1.10.2 tls sc->sc_dwc2.sc_iot = aaa->aaa_iot; 119 1.1.10.2 tls sc->sc_dwc2.sc_bus.dmatag = aaa->aaa_dmat; 120 1.1.10.2 tls sc->sc_dwc2.sc_params = &bcmdwc2_params; 121 1.1.10.2 tls 122 1.1.10.2 tls error = bus_space_map(aaa->aaa_iot, aaa->aaa_addr, aaa->aaa_size, 0, 123 1.1.10.2 tls &sc->sc_dwc2.sc_ioh); 124 1.1.10.2 tls if (error) { 125 1.1.10.2 tls aprint_error_dev(self, 126 1.1.10.2 tls "can't map registers for %s: %d\n", aaa->aaa_name, error); 127 1.1.10.2 tls return; 128 1.1.10.2 tls } 129 1.1.10.2 tls 130 1.1.10.2 tls aprint_naive(": USB controller\n"); 131 1.1.10.2 tls aprint_normal(": USB controller\n"); 132 1.1.10.2 tls 133 1.1.10.2 tls sc->sc_ih = bcm2835_intr_establish(aaa->aaa_intr, IPL_USB, 134 1.1.10.2 tls dwc2_intr, &sc->sc_dwc2); 135 1.1.10.2 tls 136 1.1.10.2 tls if (sc->sc_ih == NULL) { 137 1.1.10.2 tls aprint_error_dev(self, "failed to establish interrupt %d\n", 138 1.1.10.2 tls aaa->aaa_intr); 139 1.1.10.2 tls goto fail; 140 1.1.10.2 tls } 141 1.1.10.2 tls config_defer(self, bcmdwc2_deferred); 142 1.1.10.2 tls 143 1.1.10.2 tls return; 144 1.1.10.2 tls 145 1.1.10.2 tls fail: 146 1.1.10.2 tls if (sc->sc_ih) { 147 1.1.10.2 tls intr_disestablish(sc->sc_ih); 148 1.1.10.2 tls sc->sc_ih = NULL; 149 1.1.10.2 tls } 150 1.1.10.2 tls bus_space_unmap(sc->sc_dwc2.sc_iot, sc->sc_dwc2.sc_ioh, aaa->aaa_size); 151 1.1.10.2 tls } 152 1.1.10.2 tls 153 1.1.10.2 tls static void 154 1.1.10.2 tls bcmdwc2_deferred(device_t self) 155 1.1.10.2 tls { 156 1.1.10.2 tls struct bcmdwc2_softc *sc = device_private(self); 157 1.1.10.2 tls int error; 158 1.1.10.2 tls 159 1.1.10.2 tls error = dwc2_init(&sc->sc_dwc2); 160 1.1.10.2 tls if (error != 0) { 161 1.1.10.2 tls aprint_error_dev(self, "couldn't initialize host, error=%d\n", 162 1.1.10.2 tls error); 163 1.1.10.2 tls return; 164 1.1.10.2 tls } 165 1.1.10.2 tls sc->sc_dwc2.sc_child = config_found(sc->sc_dwc2.sc_dev, 166 1.1.10.2 tls &sc->sc_dwc2.sc_bus, usbctlprint); 167 1.1.10.2 tls } 168
Indexes created Sun Oct 26 13:09:57 GMT 2025