jh7110_eqos.c revision 1.2.4.2
1 1.2.4.2 perseant /* $NetBSD: jh7110_eqos.c,v 1.2.4.2 2025/08/02 05:56:05 perseant Exp $ */ 2 1.2.4.2 perseant 3 1.2.4.2 perseant /*- 4 1.2.4.2 perseant * Copyright (c) 2024 The NetBSD Foundation, Inc. 5 1.2.4.2 perseant * All rights reserved. 6 1.2.4.2 perseant * 7 1.2.4.2 perseant * This code is derived from software contributed to The NetBSD Foundation 8 1.2.4.2 perseant * by Nick Hudson 9 1.2.4.2 perseant * 10 1.2.4.2 perseant * Redistribution and use in source and binary forms, with or without 11 1.2.4.2 perseant * modification, are permitted provided that the following conditions 12 1.2.4.2 perseant * are met: 13 1.2.4.2 perseant * 1. Redistributions of source code must retain the above copyright 14 1.2.4.2 perseant * notice, this list of conditions and the following disclaimer. 15 1.2.4.2 perseant * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.4.2 perseant * notice, this list of conditions and the following disclaimer in the 17 1.2.4.2 perseant * documentation and/or other materials provided with the distribution. 18 1.2.4.2 perseant * 19 1.2.4.2 perseant * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2.4.2 perseant * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2.4.2 perseant * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2.4.2 perseant * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2.4.2 perseant * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2.4.2 perseant * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2.4.2 perseant * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2.4.2 perseant * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2.4.2 perseant * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2.4.2 perseant * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2.4.2 perseant * POSSIBILITY OF SUCH DAMAGE. 30 1.2.4.2 perseant */ 31 1.2.4.2 perseant 32 1.2.4.2 perseant #include <sys/cdefs.h> 33 1.2.4.2 perseant __KERNEL_RCSID(0, "$NetBSD: jh7110_eqos.c,v 1.2.4.2 2025/08/02 05:56:05 perseant Exp $"); 34 1.2.4.2 perseant 35 1.2.4.2 perseant #include <sys/param.h> 36 1.2.4.2 perseant 37 1.2.4.2 perseant #include <sys/param.h> 38 1.2.4.2 perseant #include <sys/bus.h> 39 1.2.4.2 perseant #include <sys/device.h> 40 1.2.4.2 perseant #include <sys/rndsource.h> 41 1.2.4.2 perseant 42 1.2.4.2 perseant #include <net/if_ether.h> 43 1.2.4.2 perseant #include <net/if_media.h> 44 1.2.4.2 perseant 45 1.2.4.2 perseant #include <dev/fdt/fdtvar.h> 46 1.2.4.2 perseant 47 1.2.4.2 perseant #include <dev/mii/miivar.h> 48 1.2.4.2 perseant 49 1.2.4.2 perseant #include <dev/ic/dwc_eqos_var.h> 50 1.2.4.2 perseant 51 1.2.4.2 perseant #include <prop/proplib.h> 52 1.2.4.2 perseant 53 1.2.4.2 perseant #include <riscv/starfive/jh71x0_eth.h> 54 1.2.4.2 perseant 55 1.2.4.2 perseant struct jh7110_eqos_softc { 56 1.2.4.2 perseant struct eqos_softc sc_eqos; 57 1.2.4.2 perseant struct jh71x0_eth_softc sc_jh71x0eth; 58 1.2.4.2 perseant }; 59 1.2.4.2 perseant 60 1.2.4.2 perseant static void 61 1.2.4.2 perseant jh7110_parse_phyprops(struct jh7110_eqos_softc *jh_sc, int phandle) 62 1.2.4.2 perseant { 63 1.2.4.2 perseant struct eqos_softc * const sc = &jh_sc->sc_eqos; 64 1.2.4.2 perseant prop_dictionary_t dict = device_properties(sc->sc_dev); 65 1.2.4.2 perseant 66 1.2.4.2 perseant if (of_hasprop(phandle, "motorcomm,tx-clk-adj-enabled")) { 67 1.2.4.2 perseant prop_dictionary_set_bool(dict, "motorcomm,tx-clk-adj-enabled", 68 1.2.4.2 perseant true); 69 1.2.4.2 perseant } 70 1.2.4.2 perseant if (of_hasprop(phandle, "motorcomm,tx-clk-100-inverted")) { 71 1.2.4.2 perseant prop_dictionary_set_bool(dict, "motorcomm,tx-clk-100-inverted", 72 1.2.4.2 perseant true); 73 1.2.4.2 perseant } 74 1.2.4.2 perseant if (of_hasprop(phandle, "motorcomm,tx-clk-1000-inverted")) { 75 1.2.4.2 perseant prop_dictionary_set_bool(dict, "motorcomm,tx-clk-1000-inverted", 76 1.2.4.2 perseant true); 77 1.2.4.2 perseant } 78 1.2.4.2 perseant 79 1.2.4.2 perseant uint32_t val; 80 1.2.4.2 perseant if (of_getprop_uint32(phandle, 81 1.2.4.2 perseant "motorcomm,rx-clk-drv-microamp", &val) == 0) { 82 1.2.4.2 perseant prop_dictionary_set_uint32(dict, 83 1.2.4.2 perseant "motorcomm,rx-clk-drv-microamp", val); 84 1.2.4.2 perseant } 85 1.2.4.2 perseant if (of_getprop_uint32(phandle, 86 1.2.4.2 perseant "motorcomm,rx-data-drv-microamp", &val) == 0) { 87 1.2.4.2 perseant prop_dictionary_set_uint32(dict, 88 1.2.4.2 perseant "motorcomm,rx-data-drv-microamp", val); 89 1.2.4.2 perseant } 90 1.2.4.2 perseant if (of_getprop_uint32(phandle, 91 1.2.4.2 perseant "rx-internal-delay-ps", &val) == 0) { 92 1.2.4.2 perseant prop_dictionary_set_uint32(dict, 93 1.2.4.2 perseant "rx-internal-delay-ps", val); 94 1.2.4.2 perseant } 95 1.2.4.2 perseant if (of_getprop_uint32(phandle, 96 1.2.4.2 perseant "tx-internal-delay-ps", &val) == 0) { 97 1.2.4.2 perseant prop_dictionary_set_uint32(dict, 98 1.2.4.2 perseant "tx-internal-delay-ps", val); 99 1.2.4.2 perseant } 100 1.2.4.2 perseant } 101 1.2.4.2 perseant 102 1.2.4.2 perseant /* Compat string(s) */ 103 1.2.4.2 perseant static const struct device_compatible_entry compat_data[] = { 104 1.2.4.2 perseant { .compat = "starfive,jh7110-dwmac" }, 105 1.2.4.2 perseant DEVICE_COMPAT_EOL 106 1.2.4.2 perseant }; 107 1.2.4.2 perseant 108 1.2.4.2 perseant static int 109 1.2.4.2 perseant jh7110_eqos_match(device_t parent, cfdata_t cf, void *aux) 110 1.2.4.2 perseant { 111 1.2.4.2 perseant struct fdt_attach_args * const faa = aux; 112 1.2.4.2 perseant 113 1.2.4.2 perseant return of_compatible_match(faa->faa_phandle, compat_data); 114 1.2.4.2 perseant } 115 1.2.4.2 perseant 116 1.2.4.2 perseant static void 117 1.2.4.2 perseant jh7110_eqos_attach(device_t parent, device_t self, void *aux) 118 1.2.4.2 perseant { 119 1.2.4.2 perseant struct jh7110_eqos_softc * const sc = device_private(self); 120 1.2.4.2 perseant struct jh71x0_eth_softc * const jheth_sc = &sc->sc_jh71x0eth; 121 1.2.4.2 perseant struct eqos_softc * const eqos_sc = &sc->sc_eqos; 122 1.2.4.2 perseant struct fdt_attach_args * const faa = aux; 123 1.2.4.2 perseant const int phandle = faa->faa_phandle; 124 1.2.4.2 perseant char intrstr[128]; 125 1.2.4.2 perseant int error; 126 1.2.4.2 perseant 127 1.2.4.2 perseant sc->sc_eqos.sc_dev = self; 128 1.2.4.2 perseant sc->sc_eqos.sc_bst = faa->faa_bst; 129 1.2.4.2 perseant sc->sc_eqos.sc_dmat = faa->faa_dmat; 130 1.2.4.2 perseant sc->sc_jh71x0eth.sc_dev = self; 131 1.2.4.2 perseant sc->sc_jh71x0eth.sc_phy = MII_PHY_ANY; 132 1.2.4.2 perseant sc->sc_jh71x0eth.sc_type = JH71X0ETH_EQOS; 133 1.2.4.2 perseant 134 1.2.4.2 perseant error = jh71x0_eth_attach(jheth_sc, faa, &sc->sc_eqos.sc_bsh); 135 1.2.4.2 perseant if (error) 136 1.2.4.2 perseant return; 137 1.2.4.2 perseant 138 1.2.4.2 perseant jh7110_parse_phyprops(sc, sc->sc_jh71x0eth.sc_phandle_phy); 139 1.2.4.2 perseant 140 1.2.4.2 perseant // aprint_naive("\n"); 141 1.2.4.2 perseant // aprint_normal(": Gigabit Ethernet Controller\n"); 142 1.2.4.2 perseant 143 1.2.4.2 perseant #define CSR_RATE_RGMII 125000000 /* default */ 144 1.2.4.2 perseant eqos_sc->sc_csr_clock = CSR_RATE_RGMII; 145 1.2.4.2 perseant error = eqos_attach(eqos_sc); 146 1.2.4.2 perseant if (error) 147 1.2.4.2 perseant return; 148 1.2.4.2 perseant if (!fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr))) { 149 1.2.4.2 perseant aprint_error(": failed to decode interrupt\n"); 150 1.2.4.2 perseant return; 151 1.2.4.2 perseant } 152 1.2.4.2 perseant void *ih = fdtbus_intr_establish_xname(phandle, 0, IPL_NET, 153 1.2.4.2 perseant FDT_INTR_MPSAFE, eqos_intr, eqos_sc, device_xname(self)); 154 1.2.4.2 perseant if (ih == NULL) { 155 1.2.4.2 perseant aprint_error_dev(self, "failed to establish interrupt on %s\n", 156 1.2.4.2 perseant intrstr); 157 1.2.4.2 perseant // XXXNH unwind 158 1.2.4.2 perseant return; 159 1.2.4.2 perseant } 160 1.2.4.2 perseant aprint_normal_dev(self, "interrupting on %s\n", intrstr); 161 1.2.4.2 perseant } 162 1.2.4.2 perseant 163 1.2.4.2 perseant CFATTACH_DECL_NEW(jh7110_eqos, sizeof(struct jh7110_eqos_softc), 164 1.2.4.2 perseant jh7110_eqos_match, jh7110_eqos_attach, NULL, NULL); 165
Indexes created Fri Oct 31 11:10:07 GMT 2025