dwctwo_plb.c revision 1.2.6.2
1 1.2.6.2 yamt /* $NetBSD: dwctwo_plb.c,v 1.2.6.2 2014/05/22 11:40:04 yamt Exp $ */ 2 1.2.6.2 yamt /* 3 1.2.6.2 yamt * Copyright (c) 2013 KIYOHARA Takashi 4 1.2.6.2 yamt * All rights reserved. 5 1.2.6.2 yamt * 6 1.2.6.2 yamt * Redistribution and use in source and binary forms, with or without 7 1.2.6.2 yamt * modification, are permitted provided that the following conditions 8 1.2.6.2 yamt * are met: 9 1.2.6.2 yamt * 1. Redistributions of source code must retain the above copyright 10 1.2.6.2 yamt * notice, this list of conditions and the following disclaimer. 11 1.2.6.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 12 1.2.6.2 yamt * notice, this list of conditions and the following disclaimer in the 13 1.2.6.2 yamt * documentation and/or other materials provided with the distribution. 14 1.2.6.2 yamt * 15 1.2.6.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 1.2.6.2 yamt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 1.2.6.2 yamt * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 1.2.6.2 yamt * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19 1.2.6.2 yamt * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 1.2.6.2 yamt * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 1.2.6.2 yamt * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 1.2.6.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 1.2.6.2 yamt * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24 1.2.6.2 yamt * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 1.2.6.2 yamt * POSSIBILITY OF SUCH DAMAGE. 26 1.2.6.2 yamt */ 27 1.2.6.2 yamt 28 1.2.6.2 yamt #include <sys/cdefs.h> 29 1.2.6.2 yamt __KERNEL_RCSID(0, "$NetBSD: dwctwo_plb.c,v 1.2.6.2 2014/05/22 11:40:04 yamt Exp $"); 30 1.2.6.2 yamt 31 1.2.6.2 yamt #include <sys/param.h> 32 1.2.6.2 yamt #include <sys/bus.h> 33 1.2.6.2 yamt #include <sys/device.h> 34 1.2.6.2 yamt #include <sys/errno.h> 35 1.2.6.2 yamt #include <sys/extent.h> 36 1.2.6.2 yamt 37 1.2.6.2 yamt #include <powerpc/ibm4xx/cpu.h> 38 1.2.6.2 yamt #include <powerpc/ibm4xx/dev/plbvar.h> 39 1.2.6.2 yamt 40 1.2.6.2 yamt #include <dev/usb/usb.h> 41 1.2.6.2 yamt #include <dev/usb/usbdi.h> 42 1.2.6.2 yamt #include <dev/usb/usbdivar.h> 43 1.2.6.2 yamt #include <dev/usb/usb_mem.h> 44 1.2.6.2 yamt 45 1.2.6.2 yamt #include <dwc2/dwc2.h> 46 1.2.6.2 yamt #include <dwc2/dwc2var.h> 47 1.2.6.2 yamt #include "dwc2_core.h" 48 1.2.6.2 yamt 49 1.2.6.2 yamt #include "locators.h" 50 1.2.6.2 yamt 51 1.2.6.2 yamt #define DWCTWO_SIZE 0x40000 52 1.2.6.2 yamt 53 1.2.6.2 yamt static int dwctwo_plb_match(device_t, cfdata_t, void *); 54 1.2.6.2 yamt static void dwctwo_plb_attach(device_t, device_t, void *); 55 1.2.6.2 yamt 56 1.2.6.2 yamt static void dwctwo_plb_deferred(device_t); 57 1.2.6.2 yamt 58 1.2.6.2 yamt CFATTACH_DECL_NEW(dwctwo_plb, sizeof(struct dwc2_softc), 59 1.2.6.2 yamt dwctwo_plb_match, dwctwo_plb_attach, NULL, NULL); 60 1.2.6.2 yamt 61 1.2.6.2 yamt static struct powerpc_bus_space dwctwo_tag = { 62 1.2.6.2 yamt _BUS_SPACE_LITTLE_ENDIAN | _BUS_SPACE_MEM_TYPE, 63 1.2.6.2 yamt 0x00000000, 64 1.2.6.2 yamt 0x00000000, 65 1.2.6.2 yamt DWCTWO_SIZE 66 1.2.6.2 yamt }; 67 1.2.6.2 yamt static char ex_storage[EXTENT_FIXED_STORAGE_SIZE(8)] 68 1.2.6.2 yamt __attribute__((aligned(8))); 69 1.2.6.2 yamt 70 1.2.6.2 yamt 71 1.2.6.2 yamt static int 72 1.2.6.2 yamt dwctwo_plb_match(device_t parent, cfdata_t match, void *aux) 73 1.2.6.2 yamt { 74 1.2.6.2 yamt struct plb_attach_args *paa = aux; 75 1.2.6.2 yamt 76 1.2.6.2 yamt if (strcmp(paa->plb_name, match->cf_name) != 0) 77 1.2.6.2 yamt return 0; 78 1.2.6.2 yamt 79 1.2.6.2 yamt if (match->cf_loc[PLBCF_ADDR] == PLBCF_ADDR_DEFAULT) 80 1.2.6.2 yamt panic("dwctwo_plb_match: wildcard addr not allowed"); 81 1.2.6.2 yamt if (match->cf_loc[PLBCF_IRQ] == PLBCF_IRQ_DEFAULT) 82 1.2.6.2 yamt panic("dwctwo_plb_match: wildcard IRQ not allowed"); 83 1.2.6.2 yamt 84 1.2.6.2 yamt paa->plb_addr = match->cf_loc[PLBCF_ADDR]; 85 1.2.6.2 yamt paa->plb_irq = match->cf_loc[PLBCF_IRQ]; 86 1.2.6.2 yamt return 1; 87 1.2.6.2 yamt } 88 1.2.6.2 yamt 89 1.2.6.2 yamt static void 90 1.2.6.2 yamt dwctwo_plb_attach(device_t parent, device_t self, void *aux) 91 1.2.6.2 yamt { 92 1.2.6.2 yamt struct dwc2_softc *sc = device_private(self); 93 1.2.6.2 yamt struct plb_attach_args *paa = aux; 94 1.2.6.2 yamt prop_dictionary_t dict = device_properties(self); 95 1.2.6.2 yamt uint32_t srst0; 96 1.2.6.2 yamt 97 1.2.6.2 yamt sc->sc_dev = self; 98 1.2.6.2 yamt 99 1.2.6.2 yamt /* get core parameters */ 100 1.2.6.2 yamt if (!prop_dictionary_get_uint32(dict, "params", 101 1.2.6.2 yamt (uint32_t *)&sc->sc_params)) { 102 1.2.6.2 yamt aprint_error("struct dwc2_core_params not found\n"); 103 1.2.6.2 yamt return; 104 1.2.6.2 yamt } 105 1.2.6.2 yamt 106 1.2.6.2 yamt dwctwo_tag.pbs_base = paa->plb_addr; 107 1.2.6.2 yamt dwctwo_tag.pbs_limit += paa->plb_addr; 108 1.2.6.2 yamt if (bus_space_init(&dwctwo_tag, "dwctwotag", ex_storage, 109 1.2.6.2 yamt sizeof(ex_storage))) 110 1.2.6.2 yamt panic("dwctwo_attach: Failed to initialise opb_tag"); 111 1.2.6.2 yamt sc->sc_iot = &dwctwo_tag; 112 1.2.6.2 yamt bus_space_map(sc->sc_iot, paa->plb_addr, DWCTWO_SIZE, 0, &sc->sc_ioh); 113 1.2.6.2 yamt sc->sc_bus.dmatag = paa->plb_dmat; 114 1.2.6.2 yamt 115 1.2.6.2 yamt intr_establish(paa->plb_irq, IST_LEVEL, IPL_USB, dwc2_intr, sc); 116 1.2.6.2 yamt 117 1.2.6.2 yamt /* Enable the USB interface. */ 118 1.2.6.2 yamt mtsdr(DCR_SDR0_PFC1, mfsdr(DCR_SDR0_PFC1) | SDR0_PFC1_USBEN); 119 1.2.6.2 yamt srst0 = mfsdr(DCR_SDR0_SRST0); 120 1.2.6.2 yamt mtsdr(DCR_SDR0_SRST0, srst0 | SDR0_SRST0_UPRST | SDR0_SRST0_AHB); 121 1.2.6.2 yamt delay(200 * 1000); /* XXXX */ 122 1.2.6.2 yamt mtsdr(DCR_SDR0_SRST0, srst0); 123 1.2.6.2 yamt 124 1.2.6.2 yamt config_defer(self, dwctwo_plb_deferred); 125 1.2.6.2 yamt } 126 1.2.6.2 yamt 127 1.2.6.2 yamt static void 128 1.2.6.2 yamt dwctwo_plb_deferred(device_t self) 129 1.2.6.2 yamt { 130 1.2.6.2 yamt struct dwc2_softc *sc = device_private(self); 131 1.2.6.2 yamt int error; 132 1.2.6.2 yamt 133 1.2.6.2 yamt error = dwc2_init(sc); 134 1.2.6.2 yamt if (error != 0) { 135 1.2.6.2 yamt aprint_error_dev(self, "couldn't initialize host, error=%d\n", 136 1.2.6.2 yamt error); 137 1.2.6.2 yamt return; 138 1.2.6.2 yamt } 139 1.2.6.2 yamt sc->sc_child = config_found(sc->sc_dev, &sc->sc_bus, usbctlprint); 140 1.2.6.2 yamt } 141
Indexes created Sat Oct 11 19:10:01 GMT 2025