if_hme_sbus.c revision 93043
191396Stmm/*- 291396Stmm * Copyright (c) 1999 The NetBSD Foundation, Inc. 391396Stmm * All rights reserved. 491396Stmm * 591396Stmm * This code is derived from software contributed to The NetBSD Foundation 691396Stmm * by Paul Kranenburg. 791396Stmm * 891396Stmm * Redistribution and use in source and binary forms, with or without 991396Stmm * modification, are permitted provided that the following conditions 1091396Stmm * are met: 1191396Stmm * 1. Redistributions of source code must retain the above copyright 1291396Stmm * notice, this list of conditions and the following disclaimer. 1391396Stmm * 2. Redistributions in binary form must reproduce the above copyright 1491396Stmm * notice, this list of conditions and the following disclaimer in the 1591396Stmm * documentation and/or other materials provided with the distribution. 1691396Stmm * 3. All advertising materials mentioning features or use of this software 1791396Stmm * must display the following acknowledgement: 1891396Stmm * This product includes software developed by the NetBSD 1991396Stmm * Foundation, Inc. and its contributors. 2091396Stmm * 4. Neither the name of The NetBSD Foundation nor the names of its 2191396Stmm * contributors may be used to endorse or promote products derived 2291396Stmm * from this software without specific prior written permission. 2391396Stmm * 2491396Stmm * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2591396Stmm * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2691396Stmm * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2791396Stmm * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 2891396Stmm * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2991396Stmm * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3091396Stmm * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3191396Stmm * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 3291396Stmm * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3391396Stmm * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3491396Stmm * POSSIBILITY OF SUCH DAMAGE. 3591396Stmm * 3691396Stmm * from: NetBSD: if_hme_sbus.c,v 1.9 2001/11/13 06:58:17 lukem Exp 3791396Stmm * 3891396Stmm * $FreeBSD: head/sys/dev/hme/if_hme_sbus.c 93043 2002-03-23 19:37:11Z tmm $ 3991396Stmm */ 4091396Stmm 4191396Stmm/* 4291396Stmm * SBus front-end device driver for the HME ethernet device. 4391396Stmm */ 4491396Stmm 4591396Stmm#include <sys/param.h> 4691396Stmm#include <sys/systm.h> 4791396Stmm#include <sys/bus.h> 4891396Stmm#include <sys/kernel.h> 4991396Stmm#include <sys/resource.h> 5091396Stmm#include <sys/socket.h> 5191396Stmm 5291396Stmm#include <machine/bus.h> 5391396Stmm#include <machine/ofw_machdep.h> 5491396Stmm#include <machine/resource.h> 5591396Stmm 5691396Stmm#include <sys/rman.h> 5791396Stmm 5891396Stmm#include <ofw/openfirm.h> 5991396Stmm 6091396Stmm#include <net/ethernet.h> 6191396Stmm#include <net/if.h> 6291396Stmm#include <net/if_arp.h> 6391396Stmm#include <net/if_dl.h> 6491396Stmm#include <net/if_media.h> 6591396Stmm 6691396Stmm#include <mii/mii.h> 6791396Stmm#include <mii/miivar.h> 6891396Stmm 6991396Stmm#include <sparc64/sbus/sbusvar.h> 7091396Stmm 7191396Stmm#include <hme/if_hmereg.h> 7291396Stmm#include <hme/if_hmevar.h> 7391396Stmm 7491396Stmm#include "miibus_if.h" 7591396Stmm 7691396Stmmstruct hme_sbus_softc { 7791396Stmm struct hme_softc hsc_hme; /* HME device */ 7891396Stmm struct resource *hsc_seb_res; 7991396Stmm int hsc_seb_rid; 8091396Stmm struct resource *hsc_etx_res; 8191396Stmm int hsc_etx_rid; 8291396Stmm struct resource *hsc_erx_res; 8391396Stmm int hsc_erx_rid; 8491396Stmm struct resource *hsc_mac_res; 8591396Stmm int hsc_mac_rid; 8691396Stmm struct resource *hsc_mif_res; 8791396Stmm int hsc_mif_rid; 8891396Stmm struct resource *hsc_ires; 8991396Stmm int hsc_irid; 9091396Stmm void *hsc_ih; 9191396Stmm}; 9291396Stmm 9391396Stmmstatic int hme_sbus_probe(device_t); 9491396Stmmstatic int hme_sbus_attach(device_t); 9591396Stmm 9691396Stmmstatic device_method_t hme_sbus_methods[] = { 9791396Stmm /* Device interface */ 9891396Stmm DEVMETHOD(device_probe, hme_sbus_probe), 9991396Stmm DEVMETHOD(device_attach, hme_sbus_attach), 10091396Stmm 10191396Stmm /* bus interface */ 10291396Stmm DEVMETHOD(bus_print_child, bus_generic_print_child), 10391396Stmm DEVMETHOD(bus_driver_added, bus_generic_driver_added), 10491396Stmm 10591396Stmm /* MII interface */ 10691396Stmm DEVMETHOD(miibus_readreg, hme_mii_readreg), 10791396Stmm DEVMETHOD(miibus_writereg, hme_mii_writereg), 10891396Stmm DEVMETHOD(miibus_statchg, hme_mii_statchg), 10991396Stmm 11091396Stmm { 0, 0 } 11191396Stmm}; 11291396Stmm 11391396Stmmstatic driver_t hme_sbus_driver = { 11491396Stmm "hme", 11591396Stmm hme_sbus_methods, 11691396Stmm sizeof(struct hme_sbus_softc) 11791396Stmm}; 11891396Stmm 11991396StmmDRIVER_MODULE(if_hme, sbus, hme_sbus_driver, hme_devclass, 0, 0); 12091396Stmm 12191396Stmmstatic int 12291396Stmmhme_sbus_probe(device_t dev) 12391396Stmm{ 12491396Stmm char *name; 12591396Stmm 12691396Stmm name = sbus_get_name(dev); 12791396Stmm if (strcmp(name, "SUNW,qfe") == 0 || 12891396Stmm strcmp(name, "SUNW,hme") == 0) { 12991396Stmm device_set_desc(dev, "Sun HME 10/100 Ethernet"); 13091396Stmm return (0); 13191396Stmm } 13291396Stmm return (ENXIO); 13391396Stmm} 13491396Stmm 13591396Stmmstatic int 13691396Stmmhme_sbus_attach(device_t dev) 13791396Stmm{ 13891396Stmm struct hme_sbus_softc *hsc = device_get_softc(dev); 13991396Stmm struct hme_softc *sc = &hsc->hsc_hme; 14091396Stmm u_int32_t burst; 14191396Stmm u_long start, count; 14291396Stmm int error; 14391396Stmm 14491396Stmm /* 14591396Stmm * Map five register banks: 14691396Stmm * 14791396Stmm * bank 0: HME SEB registers 14891396Stmm * bank 1: HME ETX registers 14991396Stmm * bank 2: HME ERX registers 15091396Stmm * bank 3: HME MAC registers 15191396Stmm * bank 4: HME MIF registers 15291396Stmm * 15391396Stmm */ 15491396Stmm sc->sc_sebo = sc->sc_etxo = sc->sc_erxo = sc->sc_maco = sc->sc_mifo = 0; 15591396Stmm hsc->hsc_seb_rid = 0; 15691396Stmm hsc->hsc_seb_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 15791396Stmm &hsc->hsc_seb_rid, 0, ~0, 1, RF_ACTIVE); 15891396Stmm if (hsc->hsc_seb_res == NULL) { 15991396Stmm device_printf(dev, "cannot map SEB registers\n"); 16091396Stmm return (ENXIO); 16191396Stmm } 16291396Stmm sc->sc_sebt = rman_get_bustag(hsc->hsc_seb_res); 16391396Stmm sc->sc_sebh = rman_get_bushandle(hsc->hsc_seb_res); 16491396Stmm 16591396Stmm hsc->hsc_etx_rid = 1; 16691396Stmm hsc->hsc_etx_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 16791396Stmm &hsc->hsc_etx_rid, 0, ~0, 1, RF_ACTIVE); 16891396Stmm if (hsc->hsc_etx_res == NULL) { 16991396Stmm device_printf(dev, "cannot map ETX registers\n"); 17091396Stmm goto fail_seb_res; 17191396Stmm } 17291396Stmm sc->sc_etxt = rman_get_bustag(hsc->hsc_etx_res); 17391396Stmm sc->sc_etxh = rman_get_bushandle(hsc->hsc_etx_res); 17491396Stmm 17591396Stmm hsc->hsc_erx_rid = 2; 17691396Stmm hsc->hsc_erx_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 17791396Stmm &hsc->hsc_erx_rid, 0, ~0, 1, RF_ACTIVE); 17891396Stmm if (hsc->hsc_erx_res == NULL) { 17991396Stmm device_printf(dev, "cannot map ERX registers\n"); 18091396Stmm goto fail_etx_res; 18191396Stmm } 18291396Stmm sc->sc_erxt = rman_get_bustag(hsc->hsc_erx_res); 18391396Stmm sc->sc_erxh = rman_get_bushandle(hsc->hsc_erx_res); 18491396Stmm 18591396Stmm hsc->hsc_mac_rid = 3; 18691396Stmm hsc->hsc_mac_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 18791396Stmm &hsc->hsc_mac_rid, 0, ~0, 1, RF_ACTIVE); 18891396Stmm if (hsc->hsc_mac_res == NULL) { 18991396Stmm device_printf(dev, "cannot map MAC registers\n"); 19091396Stmm goto fail_erx_res; 19191396Stmm } 19291396Stmm sc->sc_mact = rman_get_bustag(hsc->hsc_mac_res); 19391396Stmm sc->sc_mach = rman_get_bushandle(hsc->hsc_mac_res); 19491396Stmm 19591396Stmm /* 19691396Stmm * At least on some HMEs, the MIF registers seem to be inside the MAC 19791396Stmm * range, so map try to kluge around it. 19891396Stmm */ 19991396Stmm hsc->hsc_mif_rid = 4; 20091396Stmm hsc->hsc_mif_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 20191396Stmm &hsc->hsc_mif_rid, 0, ~0, 1, RF_ACTIVE); 20291396Stmm if (hsc->hsc_mif_res == NULL) { 20391396Stmm if (bus_get_resource(dev, SYS_RES_MEMORY, hsc->hsc_mif_rid, 20491396Stmm &start, &count) != 0) { 20591396Stmm device_printf(dev, "cannot get MIF registers\n"); 20691396Stmm goto fail_mac_res; 20791396Stmm } 20891396Stmm if (start < rman_get_start(hsc->hsc_mac_res) || 20991396Stmm start + count - 1 > rman_get_end(hsc->hsc_mac_res)) { 21091396Stmm device_printf(dev, "cannot move MIF registers to MAC " 21191396Stmm "bank\n"); 21291396Stmm goto fail_mac_res; 21391396Stmm } 21491396Stmm sc->sc_mift = sc->sc_mact; 21591396Stmm sc->sc_mifh = sc->sc_mach; 21691396Stmm sc->sc_mifo = sc->sc_maco + start - 21791396Stmm rman_get_start(hsc->hsc_mac_res); 21891396Stmm } else { 21991396Stmm sc->sc_mift = rman_get_bustag(hsc->hsc_mif_res); 22091396Stmm sc->sc_mifh = rman_get_bushandle(hsc->hsc_mif_res); 22191396Stmm } 22291396Stmm 22391396Stmm hsc->hsc_irid = 0; 22491396Stmm hsc->hsc_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &hsc->hsc_irid, 0, 22593043Stmm ~0, 1, RF_SHAREABLE | RF_ACTIVE); 22691396Stmm if (hsc->hsc_ires == NULL) { 22791396Stmm device_printf(dev, "could not allocate interrupt\n"); 22891396Stmm error = ENXIO; 22991396Stmm goto fail_mif_res; 23091396Stmm } 23191396Stmm 23291396Stmm 23391396Stmm OF_getetheraddr(dev, sc->sc_arpcom.ac_enaddr); 23491396Stmm 23591396Stmm burst = sbus_get_burstsz(dev); 23691396Stmm /* Translate into plain numerical format */ 23791396Stmm sc->sc_burst = (burst & SBUS_BURST_32) ? 32 : 23891396Stmm (burst & SBUS_BURST_16) ? 16 : 0; 23991396Stmm 24091396Stmm sc->sc_pci = 0; /* XXX: should all be done in bus_dma. */ 24191396Stmm sc->sc_dev = dev; 24291396Stmm 24391396Stmm if ((error = hme_config(sc)) != 0) { 24491396Stmm device_printf(dev, "could not be configured\n"); 24591396Stmm goto fail_ires; 24691396Stmm } 24791396Stmm 24891396Stmm 24991396Stmm if ((error = bus_setup_intr(dev, hsc->hsc_ires, INTR_TYPE_NET, hme_intr, 25091396Stmm sc, &hsc->hsc_ih)) != 0) { 25191396Stmm device_printf(dev, "couldn't establish interrupt\n"); 25291396Stmm goto fail_ires; 25391396Stmm } 25491396Stmm return (0); 25591396Stmm 25691396Stmmfail_ires: 25791396Stmm bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires); 25891396Stmmfail_mif_res: 25991396Stmm if (hsc->hsc_mif_res != NULL) { 26091396Stmm bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_mif_rid, 26191396Stmm hsc->hsc_mif_res); 26291396Stmm } 26391396Stmmfail_mac_res: 26491396Stmm bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_mac_rid, 26591396Stmm hsc->hsc_mac_res); 26691396Stmmfail_erx_res: 26791396Stmm bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_erx_rid, 26891396Stmm hsc->hsc_erx_res); 26991396Stmmfail_etx_res: 27091396Stmm bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_etx_rid, 27191396Stmm hsc->hsc_etx_res); 27291396Stmmfail_seb_res: 27391396Stmm bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_seb_rid, 27491396Stmm hsc->hsc_seb_res); 27591396Stmm return (ENXIO); 27691396Stmm} 277