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if_atse.c
(40.67 KB)
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if_atse_fdt.c
(4.21 KB)
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if_atse_nexus.c
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if_atsereg.h
(18.85 KB)
Editing: if_atse_fdt.c
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2013 Bjoern A. Zeeb * All rights reserved. * * This software was developed by SRI International and the University of * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-11-C-0249) * ("MRC2"), as part of the DARPA MRC 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/bus.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/rman.h> #include <sys/socket.h> #include <sys/systm.h> #include <machine/bus.h> #include <machine/resource.h> #include <net/ethernet.h> #include <net/if.h> #include <net/if_media.h> #include <net/if_var.h> #include <dev/mii/mii.h> #include <dev/mii/miivar.h> #include <dev/fdt/fdt_common.h> #include <dev/ofw/openfirm.h> #include <dev/ofw/ofw_bus.h> #include <dev/ofw/ofw_bus_subr.h> #include <dev/altera/atse/if_atsereg.h> /* "device miibus" required. See GENERIC if you get errors here. */ #include "miibus_if.h" static int atse_probe_fdt(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (!ofw_bus_is_compatible(dev, "altera,atse")) { return (ENXIO); } device_set_desc(dev, "Altera Triple-Speed Ethernet MegaCore"); return (BUS_PROBE_DEFAULT); } static int atse_attach_fdt(device_t dev) { struct atse_softc *sc; int error; sc = device_get_softc(dev); sc->atse_dev = dev; sc->atse_unit = device_get_unit(dev); /* * FDT has the list of our resources. Given we are using multiple * memory regions and possibly multiple interrupts, we need to attach * them in the order specified in .dts: * MAC, RX and RXC FIFO, TX and TXC FIFO; RX INTR, TX INTR. */ /* MAC: Avalon-MM, atse management register region. */ sc->atse_mem_rid = 0; sc->atse_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->atse_mem_rid, RF_ACTIVE); if (sc->atse_mem_res == NULL) { device_printf(dev, "failed to map memory for ctrl region\n"); /* Cleanup. */ atse_detach_resources(dev); return (ENXIO); } if (bootverbose) device_printf(sc->atse_dev, "MAC ctrl region at mem %p-%p\n", (void *)rman_get_start(sc->atse_mem_res), (void *)(rman_get_start(sc->atse_mem_res) + rman_get_size(sc->atse_mem_res))); error = atse_attach(dev); if (error) { /* Cleanup. */ atse_detach_resources(dev); return (error); } return (0); } static device_method_t atse_methods_fdt[] = { /* Device interface */ DEVMETHOD(device_probe, atse_probe_fdt), DEVMETHOD(device_attach, atse_attach_fdt), DEVMETHOD(device_detach, atse_detach_dev), /* MII interface */ DEVMETHOD(miibus_readreg, atse_miibus_readreg), DEVMETHOD(miibus_writereg, atse_miibus_writereg), DEVMETHOD(miibus_statchg, atse_miibus_statchg), DEVMETHOD_END }; static driver_t atse_driver_fdt = { "atse", atse_methods_fdt, sizeof(struct atse_softc) }; DRIVER_MODULE(atse, simplebus, atse_driver_fdt, atse_devclass, 0, 0); DRIVER_MODULE(miibus, atse, miibus_driver, miibus_devclass, 0, 0);
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