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115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
/* $NetBSD: amlogic_gmac.c,v 1.2 2015/03/04 18:40:06 jmcneill Exp $ */
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/*-
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* Copyright (c) 2013, 2014, 2015 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry and Martin Husemann.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "locators.h"
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#include <sys/cdefs.h>
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__KERNEL_RCSID(1, "$NetBSD: amlogic_gmac.c,v 1.2 2015/03/04 18:40:06 jmcneill Exp $");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/device.h>
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#include <sys/intr.h>
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#include <sys/systm.h>
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#include <arm/amlogic/amlogic_reg.h>
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#include <arm/amlogic/amlogic_var.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#include <dev/mii/miivar.h>
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#include <dev/ic/dwc_gmac_var.h>
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#include <dev/ic/dwc_gmac_reg.h>
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static int amlogic_gmac_match(device_t, cfdata_t, void *);
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static void amlogic_gmac_attach(device_t, device_t, void *);
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static int amlogic_gmac_intr(void*);
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struct amlogic_gmac_softc {
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struct dwc_gmac_softc sc_core;
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void *sc_ih;
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};
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CFATTACH_DECL_NEW(amlogic_gmac, sizeof(struct amlogic_gmac_softc),
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amlogic_gmac_match, amlogic_gmac_attach, NULL, NULL);
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static int
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amlogic_gmac_match(device_t parent, cfdata_t cf, void *aux)
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{
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return 1;
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}
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static void
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amlogic_gmac_attach(device_t parent, device_t self, void *aux)
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{
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struct amlogic_gmac_softc * const sc = device_private(self);
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struct amlogicio_attach_args * const aio = aux;
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const struct amlogic_locators * const loc = &aio->aio_loc;
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sc->sc_core.sc_dev = self;
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sc->sc_core.sc_bst = aio->aio_core_bst;
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sc->sc_core.sc_dmat = aio->aio_dmat;
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bus_space_subregion(aio->aio_core_bst, aio->aio_bsh,
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loc->loc_offset, loc->loc_size, &sc->sc_core.sc_bsh);
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aprint_naive("\n");
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aprint_normal(": Gigabit Ethernet Controller\n");
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amlogic_eth_init();
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/*
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* Interrupt handler
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*/
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sc->sc_ih = intr_establish(loc->loc_intr, IPL_NET, IST_EDGE,
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amlogic_gmac_intr, sc);
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if (sc->sc_ih == NULL) {
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aprint_error_dev(self, "failed to establish interrupt %d\n",
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loc->loc_intr);
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return;
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}
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aprint_normal_dev(self, "interrupting on irq %d\n",
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loc->loc_intr);
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dwc_gmac_attach(&sc->sc_core, GMAC_MII_CLK_100_150M_DIV62);
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}
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static int
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amlogic_gmac_intr(void *arg)
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{
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struct amlogic_gmac_softc *sc = arg;
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return dwc_gmac_intr(&sc->sc_core);
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}
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