if_hme_sbus.c revision 119338
1105828Srwatson/*- 2184407Srwatson * Copyright (c) 1999 The NetBSD Foundation, Inc. 3126097Srwatson * All rights reserved. 4172930Srwatson * 5182063Srwatson * This code is derived from software contributed to The NetBSD Foundation 6105828Srwatson * by Paul Kranenburg. 7105828Srwatson * 8105828Srwatson * Redistribution and use in source and binary forms, with or without 9105828Srwatson * modification, are permitted provided that the following conditions 10106393Srwatson * are met: 11106393Srwatson * 1. Redistributions of source code must retain the above copyright 12106393Srwatson * notice, this list of conditions and the following disclaimer. 13106393Srwatson * 2. Redistributions in binary form must reproduce the above copyright 14105828Srwatson * notice, this list of conditions and the following disclaimer in the 15172930Srwatson * documentation and/or other materials provided with the distribution. 16172930Srwatson * 3. All advertising materials mentioning features or use of this software 17172930Srwatson * must display the following acknowledgement: 18105828Srwatson * This product includes software developed by the NetBSD 19105828Srwatson * Foundation, Inc. and its contributors. 20105828Srwatson * 4. Neither the name of The NetBSD Foundation nor the names of its 21105828Srwatson * contributors may be used to endorse or promote products derived 22105828Srwatson * from this software without specific prior written permission. 23105828Srwatson * 24105828Srwatson * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25105828Srwatson * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26105828Srwatson * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27105828Srwatson * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28105828Srwatson * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29105828Srwatson * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30105828Srwatson * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31105828Srwatson * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32105828Srwatson * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33105828Srwatson * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34105828Srwatson * POSSIBILITY OF SUCH DAMAGE. 35105828Srwatson * 36105828Srwatson * from: NetBSD: if_hme_sbus.c,v 1.9 2001/11/13 06:58:17 lukem Exp 37105828Srwatson * 38105828Srwatson * $FreeBSD: head/sys/dev/hme/if_hme_sbus.c 119338 2003-08-23 00:11:16Z imp $ 39105828Srwatson */ 40105828Srwatson 41105828Srwatson/* 42105828Srwatson * SBus front-end device driver for the HME ethernet device. 43105828Srwatson */ 44172955Srwatson 45105828Srwatson#include <sys/param.h> 46105828Srwatson#include <sys/systm.h> 47105828Srwatson#include <sys/bus.h> 48105828Srwatson#include <sys/kernel.h> 49105828Srwatson#include <sys/resource.h> 50166905Srwatson#include <sys/socket.h> 51164033Srwatson 52105828Srwatson#include <machine/bus.h> 53116701Srwatson#include <machine/ofw_machdep.h> 54183980Sbz#include <machine/resource.h> 55183970Sbz 56105828Srwatson#include <sys/rman.h> 57105828Srwatson 58105828Srwatson#include <dev/ofw/openfirm.h> 59183980Sbz 60183980Sbz#include <net/ethernet.h> 61183980Sbz#include <net/if.h> 62183980Sbz#include <net/if_arp.h> 63165469Srwatson#include <net/if_dl.h> 64105828Srwatson#include <net/if_media.h> 65105828Srwatson 66105828Srwatson#include <mii/mii.h> 67105828Srwatson#include <mii/miivar.h> 68105828Srwatson 69105828Srwatson#include <sparc64/sbus/sbusvar.h> 70105828Srwatson 71181213Srwatson#include <hme/if_hmereg.h> 72105828Srwatson#include <hme/if_hmevar.h> 73181213Srwatson 74105828Srwatson#include "miibus_if.h" 75105828Srwatson 76166533Srwatsonstruct hme_sbus_softc { 77166533Srwatson struct hme_softc hsc_hme; /* HME device */ 78105828Srwatson struct resource *hsc_seb_res; 79173138Srwatson int hsc_seb_rid; 80184401Srwatson struct resource *hsc_etx_res; 81105828Srwatson int hsc_etx_rid; 82105828Srwatson struct resource *hsc_erx_res; 83181213Srwatson int hsc_erx_rid; 84173138Srwatson struct resource *hsc_mac_res; 85105828Srwatson int hsc_mac_rid; 86182063Srwatson struct resource *hsc_mif_res; 87182063Srwatson int hsc_mif_rid; 88182063Srwatson struct resource *hsc_ires; 89173138Srwatson int hsc_irid; 90173138Srwatson void *hsc_ih; 91105828Srwatson}; 92182063Srwatson 93182063Srwatsonstatic int hme_sbus_probe(device_t); 94182063Srwatsonstatic int hme_sbus_attach(device_t); 95182063Srwatsonstatic int hme_sbus_detach(device_t); 96182063Srwatsonstatic int hme_sbus_suspend(device_t); 97182063Srwatsonstatic int hme_sbus_resume(device_t); 98182063Srwatson 99182063Srwatsonstatic device_method_t hme_sbus_methods[] = { 100173138Srwatson /* Device interface */ 101173138Srwatson DEVMETHOD(device_probe, hme_sbus_probe), 102105828Srwatson DEVMETHOD(device_attach, hme_sbus_attach), 103173138Srwatson DEVMETHOD(device_detach, hme_sbus_detach), 104123173Srwatson DEVMETHOD(device_suspend, hme_sbus_suspend), 105123173Srwatson DEVMETHOD(device_resume, hme_sbus_resume), 106173138Srwatson /* Can just use the suspend method here. */ 107173138Srwatson DEVMETHOD(device_shutdown, hme_sbus_suspend), 108173138Srwatson 109173138Srwatson /* bus interface */ 110105828Srwatson DEVMETHOD(bus_print_child, bus_generic_print_child), 111173138Srwatson DEVMETHOD(bus_driver_added, bus_generic_driver_added), 112105828Srwatson 113173138Srwatson /* MII interface */ 114105828Srwatson DEVMETHOD(miibus_readreg, hme_mii_readreg), 115173138Srwatson DEVMETHOD(miibus_writereg, hme_mii_writereg), 116105828Srwatson DEVMETHOD(miibus_statchg, hme_mii_statchg), 117184402Srwatson 118184402Srwatson { 0, 0 } 119184402Srwatson}; 120184402Srwatson 121184402Srwatsonstatic driver_t hme_sbus_driver = { 122184402Srwatson "hme", 123184402Srwatson hme_sbus_methods, 124173138Srwatson sizeof(struct hme_sbus_softc) 125173138Srwatson}; 126173138Srwatson 127173138SrwatsonDRIVER_MODULE(hme, sbus, hme_sbus_driver, hme_devclass, 0, 0); 128173138SrwatsonMODULE_DEPEND(hme, ether, 1, 1, 1); 129173138Srwatson 130173138Srwatsonstatic int 131173138Srwatsonhme_sbus_probe(device_t dev) 132173138Srwatson{ 133116701Srwatson char *name; 134173138Srwatson 135105828Srwatson name = sbus_get_name(dev); 136105828Srwatson if (strcmp(name, "SUNW,qfe") == 0 || 137105828Srwatson strcmp(name, "SUNW,hme") == 0) { 138173138Srwatson device_set_desc(dev, "Sun HME 10/100 Ethernet"); 139105828Srwatson return (0); 140173138Srwatson } 141105828Srwatson return (ENXIO); 142184401Srwatson} 143105828Srwatson 144173138Srwatsonstatic int 145105828Srwatsonhme_sbus_attach(device_t dev) 146105828Srwatson{ 147105828Srwatson struct hme_sbus_softc *hsc = device_get_softc(dev); 148173138Srwatson struct hme_softc *sc = &hsc->hsc_hme; 149105828Srwatson u_int32_t burst; 150105828Srwatson u_long start, count; 151182063Srwatson int error; 152182063Srwatson 153182063Srwatson /* 154182063Srwatson * Map five register banks: 155105828Srwatson * 156105828Srwatson * bank 0: HME SEB registers 157105828Srwatson * bank 1: HME ETX registers 158184407Srwatson * bank 2: HME ERX registers 159184407Srwatson * bank 3: HME MAC registers 160184407Srwatson * bank 4: HME MIF registers 161184407Srwatson * 162184407Srwatson */ 163184407Srwatson sc->sc_sebo = sc->sc_etxo = sc->sc_erxo = sc->sc_maco = sc->sc_mifo = 0; 164184407Srwatson hsc->hsc_seb_rid = 0; 165184407Srwatson hsc->hsc_seb_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 166184407Srwatson &hsc->hsc_seb_rid, 0, ~0, 1, RF_ACTIVE); 167184407Srwatson if (hsc->hsc_seb_res == NULL) { 168184407Srwatson device_printf(dev, "cannot map SEB registers\n"); 169184407Srwatson return (ENXIO); 170184407Srwatson } 171184407Srwatson sc->sc_sebt = rman_get_bustag(hsc->hsc_seb_res); 172173138Srwatson sc->sc_sebh = rman_get_bushandle(hsc->hsc_seb_res); 173105828Srwatson 174105828Srwatson hsc->hsc_etx_rid = 1; 175173138Srwatson hsc->hsc_etx_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 176105828Srwatson &hsc->hsc_etx_rid, 0, ~0, 1, RF_ACTIVE); 177105828Srwatson if (hsc->hsc_etx_res == NULL) { 178105828Srwatson device_printf(dev, "cannot map ETX registers\n"); 179173138Srwatson goto fail_seb_res; 180173138Srwatson } 181105828Srwatson sc->sc_etxt = rman_get_bustag(hsc->hsc_etx_res); 182105828Srwatson sc->sc_etxh = rman_get_bushandle(hsc->hsc_etx_res); 183173138Srwatson 184105828Srwatson hsc->hsc_erx_rid = 2; 185105828Srwatson hsc->hsc_erx_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 186173138Srwatson &hsc->hsc_erx_rid, 0, ~0, 1, RF_ACTIVE); 187105828Srwatson if (hsc->hsc_erx_res == NULL) { 188182063Srwatson device_printf(dev, "cannot map ERX registers\n"); 189182063Srwatson goto fail_etx_res; 190182063Srwatson } 191182063Srwatson sc->sc_erxt = rman_get_bustag(hsc->hsc_erx_res); 192182063Srwatson sc->sc_erxh = rman_get_bushandle(hsc->hsc_erx_res); 193182063Srwatson 194182063Srwatson hsc->hsc_mac_rid = 3; 195182063Srwatson hsc->hsc_mac_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 196173138Srwatson &hsc->hsc_mac_rid, 0, ~0, 1, RF_ACTIVE); 197105828Srwatson if (hsc->hsc_mac_res == NULL) { 198173138Srwatson device_printf(dev, "cannot map MAC registers\n"); 199173138Srwatson goto fail_erx_res; 200173138Srwatson } 201173138Srwatson sc->sc_mact = rman_get_bustag(hsc->hsc_mac_res); 202173138Srwatson sc->sc_mach = rman_get_bushandle(hsc->hsc_mac_res); 203105828Srwatson 204105828Srwatson /* 205105828Srwatson * At least on some HMEs, the MIF registers seem to be inside the MAC 206173138Srwatson * range, so map try to kluge around it. 207173138Srwatson */ 208105828Srwatson hsc->hsc_mif_rid = 4; 209105828Srwatson hsc->hsc_mif_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 210173138Srwatson &hsc->hsc_mif_rid, 0, ~0, 1, RF_ACTIVE); 211173138Srwatson if (hsc->hsc_mif_res == NULL) { 212105828Srwatson if (bus_get_resource(dev, SYS_RES_MEMORY, hsc->hsc_mif_rid, 213173138Srwatson &start, &count) != 0) { 214173138Srwatson device_printf(dev, "cannot get MIF registers\n"); 215173138Srwatson goto fail_mac_res; 216105828Srwatson } 217105828Srwatson if (start < rman_get_start(hsc->hsc_mac_res) || 218173138Srwatson start + count - 1 > rman_get_end(hsc->hsc_mac_res)) { 219173138Srwatson device_printf(dev, "cannot move MIF registers to MAC " 220105828Srwatson "bank\n"); 221105828Srwatson goto fail_mac_res; 222182063Srwatson } 223173138Srwatson sc->sc_mift = sc->sc_mact; 224105828Srwatson sc->sc_mifh = sc->sc_mach; 225105828Srwatson sc->sc_mifo = sc->sc_maco + start - 226105828Srwatson rman_get_start(hsc->hsc_mac_res); 227183980Sbz } else { 228183980Sbz sc->sc_mift = rman_get_bustag(hsc->hsc_mif_res); 229183980Sbz sc->sc_mifh = rman_get_bushandle(hsc->hsc_mif_res); 230183980Sbz } 231183980Sbz 232184401Srwatson hsc->hsc_irid = 0; 233183980Sbz hsc->hsc_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &hsc->hsc_irid, 0, 234183980Sbz ~0, 1, RF_SHAREABLE | RF_ACTIVE); 235183980Sbz if (hsc->hsc_ires == NULL) { 236183980Sbz device_printf(dev, "could not allocate interrupt\n"); 237183980Sbz error = ENXIO; 238172955Srwatson goto fail_mif_res; 239105828Srwatson } 240105828Srwatson 241105828Srwatson 242184401Srwatson OF_getetheraddr(dev, sc->sc_arpcom.ac_enaddr); 243105828Srwatson 244105828Srwatson burst = sbus_get_burstsz(dev); 245105828Srwatson /* Translate into plain numerical format */ 246105828Srwatson sc->sc_burst = (burst & SBUS_BURST_32) ? 32 : 247105828Srwatson (burst & SBUS_BURST_16) ? 16 : 0; 248172955Srwatson 249105828Srwatson sc->sc_pci = 0; /* XXX: should all be done in bus_dma. */ 250105828Srwatson sc->sc_dev = dev; 251105828Srwatson 252184401Srwatson if ((error = hme_config(sc)) != 0) { 253105828Srwatson device_printf(dev, "could not be configured\n"); 254105828Srwatson goto fail_ires; 255105828Srwatson } 256105828Srwatson 257105828Srwatson 258172955Srwatson if ((error = bus_setup_intr(dev, hsc->hsc_ires, INTR_TYPE_NET, hme_intr, 259105828Srwatson sc, &hsc->hsc_ih)) != 0) { 260105828Srwatson device_printf(dev, "couldn't establish interrupt\n"); 261105828Srwatson hme_detach(sc); 262105828Srwatson goto fail_ires; 263184401Srwatson } 264105828Srwatson return (0); 265105828Srwatson 266105828Srwatsonfail_ires: 267105828Srwatson bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires); 268105828Srwatsonfail_mif_res: 269172955Srwatson if (hsc->hsc_mif_res != NULL) { 270168976Srwatson bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_mif_rid, 271105828Srwatson hsc->hsc_mif_res); 272105828Srwatson } 273105828Srwatsonfail_mac_res: 274184401Srwatson bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_mac_rid, 275105828Srwatson hsc->hsc_mac_res); 276105828Srwatsonfail_erx_res: 277105828Srwatson bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_erx_rid, 278105828Srwatson hsc->hsc_erx_res); 279106648Srwatsonfail_etx_res: 280172955Srwatson bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_etx_rid, 281168976Srwatson hsc->hsc_etx_res); 282168976Srwatsonfail_seb_res: 283106648Srwatson bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_seb_rid, 284106648Srwatson hsc->hsc_seb_res); 285106648Srwatson return (ENXIO); 286106648Srwatson} 287106648Srwatson 288106648Srwatsonstatic int 289106648Srwatsonhme_sbus_detach(device_t dev) 290106648Srwatson{ 291106648Srwatson struct hme_sbus_softc *hsc = device_get_softc(dev); 292106648Srwatson struct hme_softc *sc = &hsc->hsc_hme; 293106648Srwatson 294106648Srwatson hme_detach(sc); 295106648Srwatson 296106648Srwatson bus_teardown_intr(dev, hsc->hsc_ires, hsc->hsc_ih); 297106648Srwatson if (hsc->hsc_mif_res != NULL) { 298172955Srwatson bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_mif_rid, 299105828Srwatson hsc->hsc_mif_res); 300172955Srwatson } 301172955Srwatson bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_mac_rid, 302173138Srwatson hsc->hsc_mac_res); 303184407Srwatson bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_erx_rid, 304184407Srwatson hsc->hsc_erx_res); 305173138Srwatson bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_etx_rid, 306173138Srwatson hsc->hsc_etx_res); 307173138Srwatson bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_seb_rid, 308173138Srwatson hsc->hsc_seb_res); 309173138Srwatson return (0); 310183980Sbz} 311172955Srwatson 312172955Srwatsonstatic int 313172955Srwatsonhme_sbus_suspend(device_t dev) 314172955Srwatson{ 315172955Srwatson struct hme_sbus_softc *hsc = device_get_softc(dev); 316105828Srwatson struct hme_softc *sc = &hsc->hsc_hme; 317105828Srwatson 318172955Srwatson hme_suspend(sc); 319182063Srwatson return (0); 320} 321 322static int 323hme_sbus_resume(device_t dev) 324{ 325 struct hme_sbus_softc *hsc = device_get_softc(dev); 326 struct hme_softc *sc = &hsc->hsc_hme; 327 328 hme_resume(sc); 329 return (0); 330} 331