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if_dwc_socfpga.c
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Editing: if_dwc_socfpga.c
/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2019 Ruslan Bukin <br@bsdpad.com> * * This software was developed by SRI International and the University of * Cambridge Computer Laboratory (Department of Computer Science and * Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the * DARPA SSITH research programme. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/kernel.h> #include <sys/module.h> #include <machine/bus.h> #include <dev/dwc/if_dwc.h> #include <dev/dwc/if_dwcvar.h> #include <dev/ofw/ofw_bus.h> #include <dev/ofw/ofw_bus_subr.h> #include "if_dwc_if.h" static int if_dwc_socfpga_probe(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (!ofw_bus_is_compatible(dev, "altr,socfpga-stmmac")) return (ENXIO); device_set_desc(dev, "Altera SOCFPGA Ethernet MAC"); return (BUS_PROBE_DEFAULT); } static int if_dwc_socfpga_init(device_t dev) { return (0); } static int if_dwc_socfpga_mac_type(device_t dev) { return (DWC_GMAC_EXT_DESC); } static int if_dwc_socfpga_mii_clk(device_t dev) { phandle_t root; root = OF_finddevice("/"); if (ofw_bus_node_is_compatible(root, "altr,socfpga-stratix10")) return (GMAC_MII_CLK_35_60M_DIV26); /* Default value. */ return (GMAC_MII_CLK_25_35M_DIV16); } static device_method_t dwc_socfpga_methods[] = { DEVMETHOD(device_probe, if_dwc_socfpga_probe), DEVMETHOD(if_dwc_init, if_dwc_socfpga_init), DEVMETHOD(if_dwc_mac_type, if_dwc_socfpga_mac_type), DEVMETHOD(if_dwc_mii_clk, if_dwc_socfpga_mii_clk), DEVMETHOD_END }; static devclass_t dwc_socfpga_devclass; extern driver_t dwc_driver; DEFINE_CLASS_1(dwc, dwc_socfpga_driver, dwc_socfpga_methods, sizeof(struct dwc_softc), dwc_driver); EARLY_DRIVER_MODULE(dwc_socfpga, simplebus, dwc_socfpga_driver, dwc_socfpga_devclass, 0, 0, BUS_PASS_SUPPORTDEV + BUS_PASS_ORDER_MIDDLE); MODULE_DEPEND(dwc_socfpga, dwc, 1, 1, 1);
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