if_hme_pci.c revision 119696
1119418Sobrien/*- 291396Stmm * Copyright (c) 2000 Matthew R. Green 391396Stmm * All rights reserved. 491396Stmm * 591396Stmm * Redistribution and use in source and binary forms, with or without 691396Stmm * modification, are permitted provided that the following conditions 791396Stmm * are met: 891396Stmm * 1. Redistributions of source code must retain the above copyright 991396Stmm * notice, this list of conditions and the following disclaimer. 1091396Stmm * 2. Redistributions in binary form must reproduce the above copyright 1191396Stmm * notice, this list of conditions and the following disclaimer in the 1291396Stmm * documentation and/or other materials provided with the distribution. 1391396Stmm * 3. The name of the author may not be used to endorse or promote products 1491396Stmm * derived from this software without specific prior written permission. 1591396Stmm * 1691396Stmm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1791396Stmm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1891396Stmm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1991396Stmm * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2091396Stmm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 2191396Stmm * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 2291396Stmm * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 2391396Stmm * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 2491396Stmm * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2591396Stmm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2691396Stmm * SUCH DAMAGE. 2791396Stmm * 2891396Stmm * from: NetBSD: if_hme_pci.c,v 1.4 2001/08/27 22:18:49 augustss Exp 2991396Stmm */ 3091396Stmm 31119418Sobrien#include <sys/cdefs.h> 32119418Sobrien__FBSDID("$FreeBSD: head/sys/dev/hme/if_hme_pci.c 119696 2003-09-02 20:24:42Z marcel $"); 33119418Sobrien 3491396Stmm/* 3591396Stmm * PCI front-end device driver for the HME ethernet device. 3691396Stmm */ 3791396Stmm 3891396Stmm#include <sys/param.h> 3991396Stmm#include <sys/systm.h> 4091396Stmm#include <sys/bus.h> 4191396Stmm#include <sys/kernel.h> 4291396Stmm#include <sys/resource.h> 4391396Stmm#include <sys/socket.h> 4491396Stmm 4591396Stmm#include <machine/bus.h> 46119696Smarcel#include <dev/ofw/openfirm.h> 4791396Stmm#include <machine/ofw_machdep.h> 4891396Stmm#include <machine/resource.h> 4991396Stmm 5091396Stmm#include <sys/rman.h> 5191396Stmm 5291396Stmm#include <net/ethernet.h> 5391396Stmm#include <net/if.h> 5491396Stmm#include <net/if_arp.h> 5591396Stmm#include <net/if_dl.h> 5691396Stmm#include <net/if_media.h> 5791396Stmm 58119351Smarcel#include <dev/mii/mii.h> 59119351Smarcel#include <dev/mii/miivar.h> 6091396Stmm 61119280Simp#include <dev/pci/pcivar.h> 62119280Simp#include <dev/pci/pcireg.h> 6391396Stmm 64119351Smarcel#include <dev/hme/if_hmereg.h> 65119351Smarcel#include <dev/hme/if_hmevar.h> 6691396Stmm 6791396Stmm#include "miibus_if.h" 6891396Stmm 6991396Stmmstruct hme_pci_softc { 7091396Stmm struct hme_softc hsc_hme; /* HME device */ 7191396Stmm struct resource *hsc_sres; 7291396Stmm int hsc_srid; 7391396Stmm struct resource *hsc_ires; 7491396Stmm int hsc_irid; 7591396Stmm bus_space_tag_t hsc_memt; 7691396Stmm bus_space_handle_t hsc_memh; 7791396Stmm void *hsc_ih; 7891396Stmm}; 7991396Stmm 8091396Stmmstatic int hme_pci_probe(device_t); 8191396Stmmstatic int hme_pci_attach(device_t); 82108976Stmmstatic int hme_pci_detach(device_t); 83108976Stmmstatic int hme_pci_suspend(device_t); 84108976Stmmstatic int hme_pci_resume(device_t); 8591396Stmm 8691396Stmmstatic device_method_t hme_pci_methods[] = { 8791396Stmm /* Device interface */ 8891396Stmm DEVMETHOD(device_probe, hme_pci_probe), 8991396Stmm DEVMETHOD(device_attach, hme_pci_attach), 90108976Stmm DEVMETHOD(device_detach, hme_pci_detach), 91108976Stmm DEVMETHOD(device_suspend, hme_pci_suspend), 92108976Stmm DEVMETHOD(device_resume, hme_pci_resume), 93108976Stmm /* Can just use the suspend method here. */ 94108976Stmm DEVMETHOD(device_shutdown, hme_pci_suspend), 9591396Stmm 9691396Stmm /* bus interface */ 9791396Stmm DEVMETHOD(bus_print_child, bus_generic_print_child), 9891396Stmm DEVMETHOD(bus_driver_added, bus_generic_driver_added), 9991396Stmm 10091396Stmm /* MII interface */ 10191396Stmm DEVMETHOD(miibus_readreg, hme_mii_readreg), 10291396Stmm DEVMETHOD(miibus_writereg, hme_mii_writereg), 10391396Stmm DEVMETHOD(miibus_statchg, hme_mii_statchg), 10491396Stmm 10591396Stmm { 0, 0 } 10691396Stmm}; 10791396Stmm 10891396Stmmstatic driver_t hme_pci_driver = { 10991396Stmm "hme", 11091396Stmm hme_pci_methods, 11191396Stmm sizeof(struct hme_pci_softc) 11291396Stmm}; 11391396Stmm 114113506SmdoddDRIVER_MODULE(hme, pci, hme_pci_driver, hme_devclass, 0, 0); 115113506SmdoddMODULE_DEPEND(hme, pci, 1, 1, 1); 116113506SmdoddMODULE_DEPEND(hme, ether, 1, 1, 1); 11791396Stmm 11891396Stmmint 11991396Stmmhme_pci_probe(device_t dev) 12091396Stmm{ 12191396Stmm 12291396Stmm if (pci_get_vendor(dev) == 0x108e && 12391396Stmm pci_get_device(dev) == 0x1001) { 12491396Stmm device_set_desc(dev, "Sun HME 10/100 Ethernet"); 12591396Stmm return (0); 12691396Stmm } 12791396Stmm return (ENXIO); 12891396Stmm} 12991396Stmm 13091396Stmmint 13191396Stmmhme_pci_attach(device_t dev) 13291396Stmm{ 13391396Stmm struct hme_pci_softc *hsc = device_get_softc(dev); 13491396Stmm struct hme_softc *sc = &hsc->hsc_hme; 13591396Stmm int error; 13691396Stmm 137117116Stmm pci_enable_busmaster(dev); 13891396Stmm /* 139117116Stmm * Some Sun HMEs do have their intpin register bogusly set to 0, 140117116Stmm * although it should be 1. correct that. 14191396Stmm */ 142117116Stmm if (pci_get_intpin(dev) == 0) 143117116Stmm pci_set_intpin(dev, 1); 14491396Stmm 145117116Stmm sc->sc_pci = 1; 14691396Stmm sc->sc_dev = dev; 14791396Stmm 14891396Stmm /* 14991396Stmm * Map five register banks: 15091396Stmm * 15191396Stmm * bank 0: HME SEB registers: +0x0000 15291396Stmm * bank 1: HME ETX registers: +0x2000 15391396Stmm * bank 2: HME ERX registers: +0x4000 15491396Stmm * bank 3: HME MAC registers: +0x6000 15591396Stmm * bank 4: HME MIF registers: +0x7000 15691396Stmm * 15791396Stmm */ 15891396Stmm hsc->hsc_srid = PCI_HME_BASEADDR; 15991396Stmm hsc->hsc_sres = bus_alloc_resource(dev, SYS_RES_MEMORY, &hsc->hsc_srid, 16091396Stmm 0, ~0, 1, RF_ACTIVE); 16191396Stmm if (hsc->hsc_sres == NULL) { 16291396Stmm device_printf(dev, "could not map device registers\n"); 16391396Stmm return (ENXIO); 16491396Stmm } 16591396Stmm hsc->hsc_irid = 0; 16691396Stmm hsc->hsc_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &hsc->hsc_irid, 0, 16793043Stmm ~0, 1, RF_SHAREABLE | RF_ACTIVE); 16891396Stmm if (hsc->hsc_ires == NULL) { 16991396Stmm device_printf(dev, "could not allocate interrupt\n"); 17091396Stmm error = ENXIO; 17191396Stmm goto fail_sres; 17291396Stmm } 17391396Stmm sc->sc_sebt = sc->sc_etxt = sc->sc_erxt = sc->sc_mact = sc->sc_mift = 17491396Stmm rman_get_bustag(hsc->hsc_sres); 17591396Stmm sc->sc_sebh = sc->sc_etxh = sc->sc_erxh = sc->sc_mach = sc->sc_mifh = 17691396Stmm rman_get_bushandle(hsc->hsc_sres); 17791396Stmm sc->sc_sebo = 0; 17891396Stmm sc->sc_etxo = 0x2000; 17991396Stmm sc->sc_erxo = 0x4000; 18091396Stmm sc->sc_maco = 0x6000; 18191396Stmm sc->sc_mifo = 0x7000; 18291396Stmm 18391396Stmm OF_getetheraddr(dev, sc->sc_arpcom.ac_enaddr); 18491396Stmm 18591396Stmm sc->sc_burst = 64; /* XXX */ 18691396Stmm 18791396Stmm /* 18891396Stmm * call the main configure 18991396Stmm */ 19091396Stmm if ((error = hme_config(sc)) != 0) { 19191396Stmm device_printf(dev, "could not be configured\n"); 19291396Stmm goto fail_ires; 19391396Stmm } 19491396Stmm 19591396Stmm if ((error = bus_setup_intr(dev, hsc->hsc_ires, INTR_TYPE_NET, hme_intr, 19691396Stmm sc, &hsc->hsc_ih)) != 0) { 19791396Stmm device_printf(dev, "couldn't establish interrupt\n"); 198108976Stmm hme_detach(sc); 19991396Stmm goto fail_ires; 20091396Stmm } 20191396Stmm return (0); 20291396Stmm 20391396Stmmfail_ires: 20491396Stmm bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires); 20591396Stmmfail_sres: 20691396Stmm bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_srid, hsc->hsc_sres); 20791396Stmm return (ENXIO); 20891396Stmm} 209108976Stmm 210108976Stmmstatic int 211108976Stmmhme_pci_detach(device_t dev) 212108976Stmm{ 213108976Stmm struct hme_pci_softc *hsc = device_get_softc(dev); 214108976Stmm struct hme_softc *sc = &hsc->hsc_hme; 215108976Stmm 216108976Stmm hme_detach(sc); 217108976Stmm 218108976Stmm bus_teardown_intr(dev, hsc->hsc_ires, hsc->hsc_ih); 219108976Stmm bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires); 220108976Stmm bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_srid, hsc->hsc_sres); 221108976Stmm return (0); 222108976Stmm} 223108976Stmm 224108976Stmmstatic int 225108976Stmmhme_pci_suspend(device_t dev) 226108976Stmm{ 227108976Stmm struct hme_pci_softc *hsc = device_get_softc(dev); 228108976Stmm struct hme_softc *sc = &hsc->hsc_hme; 229108976Stmm 230108976Stmm hme_suspend(sc); 231108976Stmm return (0); 232108976Stmm} 233108976Stmm 234108976Stmmstatic int 235108976Stmmhme_pci_resume(device_t dev) 236108976Stmm{ 237108976Stmm struct hme_pci_softc *hsc = device_get_softc(dev); 238108976Stmm struct hme_softc *sc = &hsc->hsc_hme; 239108976Stmm 240108976Stmm hme_resume(sc); 241108976Stmm return (0); 242108976Stmm} 243