dwc2_fdt.c revision 1.2.2.4
1 1.2.2.4 pgoyette /* $NetBSD: dwc2_fdt.c,v 1.2.2.4 2019/01/26 22:00:06 pgoyette Exp $ */ 2 1.2.2.2 pgoyette 3 1.2.2.2 pgoyette /*- 4 1.2.2.2 pgoyette * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 1.2.2.2 pgoyette * All rights reserved. 6 1.2.2.2 pgoyette * 7 1.2.2.2 pgoyette * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 pgoyette * by Nick Hudson 9 1.2.2.2 pgoyette * 10 1.2.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 pgoyette * modification, are permitted provided that the following conditions 12 1.2.2.2 pgoyette * are met: 13 1.2.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 pgoyette * documentation and/or other materials provided with the distribution. 18 1.2.2.2 pgoyette * 19 1.2.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2.2.2 pgoyette * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2.2.2 pgoyette * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2.2.2 pgoyette * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2.2.2 pgoyette * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2.2.2 pgoyette * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2.2.2 pgoyette * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2.2.2 pgoyette * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2.2.2 pgoyette * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2.2.2 pgoyette * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2.2.2 pgoyette * POSSIBILITY OF SUCH DAMAGE. 30 1.2.2.2 pgoyette */ 31 1.2.2.2 pgoyette 32 1.2.2.2 pgoyette #include <sys/cdefs.h> 33 1.2.2.4 pgoyette __KERNEL_RCSID(0, "$NetBSD: dwc2_fdt.c,v 1.2.2.4 2019/01/26 22:00:06 pgoyette Exp $"); 34 1.2.2.2 pgoyette 35 1.2.2.2 pgoyette #include <sys/param.h> 36 1.2.2.2 pgoyette #include <sys/systm.h> 37 1.2.2.2 pgoyette #include <sys/device.h> 38 1.2.2.2 pgoyette #include <sys/mutex.h> 39 1.2.2.2 pgoyette #include <sys/bus.h> 40 1.2.2.2 pgoyette #include <sys/workqueue.h> 41 1.2.2.2 pgoyette 42 1.2.2.2 pgoyette #include <dev/fdt/fdtvar.h> 43 1.2.2.2 pgoyette 44 1.2.2.2 pgoyette #include <dev/usb/usb.h> 45 1.2.2.2 pgoyette #include <dev/usb/usbdi.h> 46 1.2.2.2 pgoyette #include <dev/usb/usbdivar.h> 47 1.2.2.2 pgoyette #include <dev/usb/usb_mem.h> 48 1.2.2.2 pgoyette 49 1.2.2.2 pgoyette #include <dwc2/dwc2var.h> 50 1.2.2.2 pgoyette 51 1.2.2.2 pgoyette #include <dwc2/dwc2.h> 52 1.2.2.2 pgoyette #include "dwc2_core.h" 53 1.2.2.2 pgoyette 54 1.2.2.2 pgoyette struct dwc2_fdt_softc { 55 1.2.2.2 pgoyette struct dwc2_softc sc_dwc2; 56 1.2.2.2 pgoyette 57 1.2.2.2 pgoyette struct dwc2_core_params sc_params; 58 1.2.2.2 pgoyette 59 1.2.2.2 pgoyette void *sc_ih; 60 1.2.2.2 pgoyette int sc_phandle; 61 1.2.2.2 pgoyette }; 62 1.2.2.2 pgoyette 63 1.2.2.2 pgoyette static int dwc2_fdt_match(device_t, struct cfdata *, void *); 64 1.2.2.2 pgoyette static void dwc2_fdt_attach(device_t, device_t, void *); 65 1.2.2.2 pgoyette static void dwc2_fdt_deferred(device_t); 66 1.2.2.2 pgoyette 67 1.2.2.4 pgoyette static void dwc2_fdt_amlogic_params(struct dwc2_fdt_softc *, struct dwc2_core_params *); 68 1.2.2.2 pgoyette static void dwc2_fdt_rockchip_params(struct dwc2_fdt_softc *, struct dwc2_core_params *); 69 1.2.2.2 pgoyette 70 1.2.2.2 pgoyette struct dwc2_fdt_config { 71 1.2.2.2 pgoyette void (*params)(struct dwc2_fdt_softc *, struct dwc2_core_params *); 72 1.2.2.2 pgoyette }; 73 1.2.2.2 pgoyette 74 1.2.2.2 pgoyette static const struct dwc2_fdt_config dwc2_fdt_rk3066_config = { 75 1.2.2.2 pgoyette .params = dwc2_fdt_rockchip_params, 76 1.2.2.2 pgoyette }; 77 1.2.2.2 pgoyette 78 1.2.2.4 pgoyette static const struct dwc2_fdt_config dwc2_fdt_meson8b_config = { 79 1.2.2.4 pgoyette .params = dwc2_fdt_amlogic_params, 80 1.2.2.4 pgoyette }; 81 1.2.2.4 pgoyette 82 1.2.2.2 pgoyette static const struct dwc2_fdt_config dwc2_fdt_generic_config = { 83 1.2.2.2 pgoyette }; 84 1.2.2.2 pgoyette 85 1.2.2.2 pgoyette static const struct of_compat_data compat_data[] = { 86 1.2.2.4 pgoyette { "amlogic,meson8b-usb", (uintptr_t)&dwc2_fdt_meson8b_config }, 87 1.2.2.2 pgoyette { "rockchip,rk3066-usb", (uintptr_t)&dwc2_fdt_rk3066_config }, 88 1.2.2.2 pgoyette { "snps,dwc2", (uintptr_t)&dwc2_fdt_generic_config }, 89 1.2.2.2 pgoyette { NULL } 90 1.2.2.2 pgoyette }; 91 1.2.2.2 pgoyette 92 1.2.2.2 pgoyette CFATTACH_DECL_NEW(dwc2_fdt, sizeof(struct dwc2_fdt_softc), 93 1.2.2.2 pgoyette dwc2_fdt_match, dwc2_fdt_attach, NULL, NULL); 94 1.2.2.2 pgoyette 95 1.2.2.2 pgoyette /* ARGSUSED */ 96 1.2.2.2 pgoyette static int 97 1.2.2.2 pgoyette dwc2_fdt_match(device_t parent, struct cfdata *match, void *aux) 98 1.2.2.2 pgoyette { 99 1.2.2.2 pgoyette struct fdt_attach_args * const faa = aux; 100 1.2.2.2 pgoyette 101 1.2.2.2 pgoyette return of_match_compat_data(faa->faa_phandle, compat_data); 102 1.2.2.2 pgoyette } 103 1.2.2.2 pgoyette 104 1.2.2.2 pgoyette /* ARGSUSED */ 105 1.2.2.2 pgoyette static void 106 1.2.2.2 pgoyette dwc2_fdt_attach(device_t parent, device_t self, void *aux) 107 1.2.2.2 pgoyette { 108 1.2.2.2 pgoyette struct dwc2_fdt_softc *sc = device_private(self); 109 1.2.2.2 pgoyette struct fdt_attach_args * const faa = aux; 110 1.2.2.2 pgoyette const int phandle = faa->faa_phandle; 111 1.2.2.2 pgoyette const struct dwc2_fdt_config *conf = 112 1.2.2.2 pgoyette (void *)of_search_compatible(phandle, compat_data)->data; 113 1.2.2.2 pgoyette char intrstr[128]; 114 1.2.2.2 pgoyette struct fdtbus_phy *phy; 115 1.2.2.2 pgoyette struct clk *clk; 116 1.2.2.2 pgoyette bus_addr_t addr; 117 1.2.2.2 pgoyette bus_size_t size; 118 1.2.2.2 pgoyette int error; 119 1.2.2.2 pgoyette 120 1.2.2.2 pgoyette const char *dr_mode = fdtbus_get_string(phandle, "dr_mode"); 121 1.2.2.2 pgoyette if (dr_mode == NULL || strcmp(dr_mode, "host") != 0) { 122 1.2.2.2 pgoyette aprint_error(": mode '%s' not supported\n", dr_mode); 123 1.2.2.2 pgoyette return; 124 1.2.2.2 pgoyette } 125 1.2.2.2 pgoyette 126 1.2.2.2 pgoyette if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) { 127 1.2.2.2 pgoyette aprint_error(": couldn't get registers\n"); 128 1.2.2.2 pgoyette return; 129 1.2.2.2 pgoyette } 130 1.2.2.2 pgoyette 131 1.2.2.2 pgoyette clk = fdtbus_clock_get(phandle, "otg"); 132 1.2.2.2 pgoyette if (clk == NULL || clk_enable(clk) != 0) { 133 1.2.2.2 pgoyette aprint_error(": couldn't enable otg clock\n"); 134 1.2.2.2 pgoyette return; 135 1.2.2.2 pgoyette } 136 1.2.2.2 pgoyette 137 1.2.2.2 pgoyette /* Enable optional phy */ 138 1.2.2.2 pgoyette phy = fdtbus_phy_get(phandle, "usb2-phy"); 139 1.2.2.2 pgoyette if (phy && fdtbus_phy_enable(phy, true) != 0) { 140 1.2.2.2 pgoyette aprint_error(": couldn't enable phy\n"); 141 1.2.2.2 pgoyette return; 142 1.2.2.2 pgoyette } 143 1.2.2.2 pgoyette 144 1.2.2.2 pgoyette sc->sc_phandle = phandle; 145 1.2.2.2 pgoyette sc->sc_dwc2.sc_dev = self; 146 1.2.2.2 pgoyette sc->sc_dwc2.sc_iot = faa->faa_bst; 147 1.2.2.2 pgoyette sc->sc_dwc2.sc_bus.ub_dmatag = faa->faa_dmat; 148 1.2.2.2 pgoyette 149 1.2.2.2 pgoyette error = bus_space_map(faa->faa_bst, addr, size, 0, &sc->sc_dwc2.sc_ioh); 150 1.2.2.2 pgoyette if (error) { 151 1.2.2.2 pgoyette aprint_error(": couldn't map device\n"); 152 1.2.2.2 pgoyette return; 153 1.2.2.2 pgoyette } 154 1.2.2.2 pgoyette 155 1.2.2.2 pgoyette if (conf->params) { 156 1.2.2.2 pgoyette conf->params(sc, &sc->sc_params); 157 1.2.2.2 pgoyette sc->sc_dwc2.sc_params = &sc->sc_params; 158 1.2.2.2 pgoyette } 159 1.2.2.2 pgoyette 160 1.2.2.2 pgoyette if (!fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr))) { 161 1.2.2.2 pgoyette aprint_error(": failed to decode interrupt\n"); 162 1.2.2.2 pgoyette return; 163 1.2.2.2 pgoyette } 164 1.2.2.2 pgoyette 165 1.2.2.2 pgoyette aprint_naive("\n"); 166 1.2.2.2 pgoyette aprint_normal(": DesignWare USB2 OTG\n"); 167 1.2.2.2 pgoyette 168 1.2.2.2 pgoyette sc->sc_ih = fdtbus_intr_establish(phandle, 0, IPL_VM, FDT_INTR_MPSAFE, 169 1.2.2.2 pgoyette dwc2_intr, &sc->sc_dwc2); 170 1.2.2.2 pgoyette 171 1.2.2.2 pgoyette if (sc->sc_ih == NULL) { 172 1.2.2.2 pgoyette aprint_error_dev(self, "failed to establish interrupt %s\n", 173 1.2.2.2 pgoyette intrstr); 174 1.2.2.2 pgoyette goto fail; 175 1.2.2.2 pgoyette } 176 1.2.2.2 pgoyette aprint_normal_dev(self, "interrupting on %s\n", intrstr); 177 1.2.2.2 pgoyette config_interrupts(self, dwc2_fdt_deferred); 178 1.2.2.2 pgoyette 179 1.2.2.2 pgoyette return; 180 1.2.2.2 pgoyette 181 1.2.2.2 pgoyette fail: 182 1.2.2.2 pgoyette if (sc->sc_ih) { 183 1.2.2.2 pgoyette fdtbus_intr_disestablish(sc->sc_phandle, sc->sc_ih); 184 1.2.2.2 pgoyette sc->sc_ih = NULL; 185 1.2.2.2 pgoyette } 186 1.2.2.2 pgoyette bus_space_unmap(sc->sc_dwc2.sc_iot, sc->sc_dwc2.sc_ioh, size); 187 1.2.2.2 pgoyette } 188 1.2.2.2 pgoyette 189 1.2.2.2 pgoyette static void 190 1.2.2.2 pgoyette dwc2_fdt_deferred(device_t self) 191 1.2.2.2 pgoyette { 192 1.2.2.2 pgoyette struct dwc2_fdt_softc *sc = device_private(self); 193 1.2.2.2 pgoyette int error; 194 1.2.2.2 pgoyette 195 1.2.2.2 pgoyette error = dwc2_init(&sc->sc_dwc2); 196 1.2.2.2 pgoyette if (error != 0) { 197 1.2.2.2 pgoyette aprint_error_dev(self, "couldn't initialize host, error=%d\n", 198 1.2.2.2 pgoyette error); 199 1.2.2.2 pgoyette return; 200 1.2.2.2 pgoyette } 201 1.2.2.2 pgoyette sc->sc_dwc2.sc_child = config_found(sc->sc_dwc2.sc_dev, 202 1.2.2.2 pgoyette &sc->sc_dwc2.sc_bus, usbctlprint); 203 1.2.2.2 pgoyette } 204 1.2.2.2 pgoyette 205 1.2.2.2 pgoyette static void 206 1.2.2.4 pgoyette dwc2_fdt_amlogic_params(struct dwc2_fdt_softc *sc, struct dwc2_core_params *params) 207 1.2.2.4 pgoyette { 208 1.2.2.4 pgoyette dwc2_set_all_params(params, -1); 209 1.2.2.4 pgoyette 210 1.2.2.4 pgoyette params->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE; 211 1.2.2.4 pgoyette params->speed = DWC2_SPEED_PARAM_HIGH; 212 1.2.2.4 pgoyette params->host_rx_fifo_size = 512; 213 1.2.2.4 pgoyette params->host_nperio_tx_fifo_size = 500; 214 1.2.2.4 pgoyette params->host_perio_tx_fifo_size = 500; 215 1.2.2.4 pgoyette params->host_channels = 16; 216 1.2.2.4 pgoyette params->phy_type = DWC2_PHY_TYPE_PARAM_UTMI; 217 1.2.2.4 pgoyette params->ahbcfg = GAHBCFG_HBSTLEN_INCR8 << GAHBCFG_HBSTLEN_SHIFT; 218 1.2.2.4 pgoyette #ifdef DWC2_POWER_DOWN_PARAM_NONE 219 1.2.2.4 pgoyette params->power_down = DWC2_POWER_DOWN_PARAM_NONE; 220 1.2.2.4 pgoyette #endif 221 1.2.2.4 pgoyette } 222 1.2.2.4 pgoyette 223 1.2.2.4 pgoyette static void 224 1.2.2.2 pgoyette dwc2_fdt_rockchip_params(struct dwc2_fdt_softc *sc, struct dwc2_core_params *params) 225 1.2.2.2 pgoyette { 226 1.2.2.2 pgoyette dwc2_set_all_params(params, -1); 227 1.2.2.2 pgoyette 228 1.2.2.2 pgoyette params->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE; 229 1.2.2.2 pgoyette params->host_rx_fifo_size = 525; 230 1.2.2.2 pgoyette params->host_nperio_tx_fifo_size = 128; 231 1.2.2.2 pgoyette params->host_perio_tx_fifo_size = 256; 232 1.2.2.2 pgoyette params->ahbcfg = GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT; 233 1.2.2.2 pgoyette } 234
Indexes created Wed Oct 01 15:09:59 GMT 2025