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 * 1791396Stmm * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 1891396Stmm * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 1991396Stmm * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2091396Stmm * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 2191396Stmm * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2291396Stmm * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2391396Stmm * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2491396Stmm * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2591396Stmm * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2691396Stmm * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2791396Stmm * POSSIBILITY OF SUCH DAMAGE. 2891396Stmm * 29133599Smarius * from: NetBSD: if_hme_sbus.c,v 1.19 2004/03/17 17:04:58 pk Exp 3091396Stmm */ 3191396Stmm 32119418Sobrien#include <sys/cdefs.h> 33119418Sobrien__FBSDID("$FreeBSD$"); 34119418Sobrien 3591396Stmm/* 3691396Stmm * SBus front-end device driver for the HME ethernet device. 3791396Stmm */ 3891396Stmm 3991396Stmm#include <sys/param.h> 4091396Stmm#include <sys/systm.h> 4191396Stmm#include <sys/bus.h> 42257290Sglebius#include <sys/lock.h> 4391396Stmm#include <sys/kernel.h> 44130026Sphk#include <sys/module.h> 45257290Sglebius#include <sys/mutex.h> 4691396Stmm#include <sys/resource.h> 4791396Stmm#include <sys/socket.h> 4891396Stmm 49133589Smarius#include <dev/ofw/ofw_bus.h> 50133589Smarius 5191396Stmm#include <machine/bus.h> 5291396Stmm#include <machine/ofw_machdep.h> 5391396Stmm#include <machine/resource.h> 5491396Stmm 5591396Stmm#include <sys/rman.h> 5691396Stmm 5791396Stmm#include <net/if.h> 5891396Stmm#include <net/if_media.h> 59257290Sglebius#include <net/ethernet.h> 6091396Stmm 61119351Smarcel#include <dev/mii/mii.h> 62119351Smarcel#include <dev/mii/miivar.h> 6391396Stmm 6491396Stmm#include <sparc64/sbus/sbusvar.h> 6591396Stmm 66119351Smarcel#include <dev/hme/if_hmereg.h> 67119351Smarcel#include <dev/hme/if_hmevar.h> 6891396Stmm 6991396Stmm#include "miibus_if.h" 7091396Stmm 7191396Stmmstruct hme_sbus_softc { 7291396Stmm struct hme_softc hsc_hme; /* HME device */ 7391396Stmm struct resource *hsc_seb_res; 7491396Stmm struct resource *hsc_etx_res; 7591396Stmm struct resource *hsc_erx_res; 7691396Stmm struct resource *hsc_mac_res; 7791396Stmm struct resource *hsc_mif_res; 7891396Stmm struct resource *hsc_ires; 7991396Stmm void *hsc_ih; 8091396Stmm}; 8191396Stmm 8291396Stmmstatic int hme_sbus_probe(device_t); 8391396Stmmstatic int hme_sbus_attach(device_t); 84108976Stmmstatic int hme_sbus_detach(device_t); 85108976Stmmstatic int hme_sbus_suspend(device_t); 86108976Stmmstatic int hme_sbus_resume(device_t); 8791396Stmm 8891396Stmmstatic device_method_t hme_sbus_methods[] = { 8991396Stmm /* Device interface */ 9091396Stmm DEVMETHOD(device_probe, hme_sbus_probe), 9191396Stmm DEVMETHOD(device_attach, hme_sbus_attach), 92108976Stmm DEVMETHOD(device_detach, hme_sbus_detach), 93108976Stmm DEVMETHOD(device_suspend, hme_sbus_suspend), 94108976Stmm DEVMETHOD(device_resume, hme_sbus_resume), 95108976Stmm /* Can just use the suspend method here. */ 96108976Stmm DEVMETHOD(device_shutdown, hme_sbus_suspend), 9791396Stmm 9891396Stmm /* MII interface */ 9991396Stmm DEVMETHOD(miibus_readreg, hme_mii_readreg), 10091396Stmm DEVMETHOD(miibus_writereg, hme_mii_writereg), 10191396Stmm DEVMETHOD(miibus_statchg, hme_mii_statchg), 10291396Stmm 103227843Smarius DEVMETHOD_END 10491396Stmm}; 10591396Stmm 10691396Stmmstatic driver_t hme_sbus_driver = { 10791396Stmm "hme", 10891396Stmm hme_sbus_methods, 10991396Stmm sizeof(struct hme_sbus_softc) 11091396Stmm}; 11191396Stmm 112113506SmdoddDRIVER_MODULE(hme, sbus, hme_sbus_driver, hme_devclass, 0, 0); 113178589SmariusMODULE_DEPEND(hme, sbus, 1, 1, 1); 114113506SmdoddMODULE_DEPEND(hme, ether, 1, 1, 1); 11591396Stmm 11691396Stmmstatic int 11791396Stmmhme_sbus_probe(device_t dev) 11891396Stmm{ 119133589Smarius const char *name; 12091396Stmm 121133589Smarius name = ofw_bus_get_name(dev); 12291396Stmm if (strcmp(name, "SUNW,qfe") == 0 || 12391396Stmm strcmp(name, "SUNW,hme") == 0) { 12491396Stmm device_set_desc(dev, "Sun HME 10/100 Ethernet"); 12591396Stmm return (0); 12691396Stmm } 12791396Stmm return (ENXIO); 12891396Stmm} 12991396Stmm 13091396Stmmstatic int 13191396Stmmhme_sbus_attach(device_t dev) 13291396Stmm{ 133178589Smarius struct hme_sbus_softc *hsc; 134178589Smarius struct hme_softc *sc; 13591396Stmm u_long start, count; 136178589Smarius uint32_t burst; 137178589Smarius int i, error = 0; 13891396Stmm 139178589Smarius hsc = device_get_softc(dev); 140178589Smarius sc = &hsc->hsc_hme; 141137982Syongari mtx_init(&sc->sc_lock, device_get_nameunit(dev), MTX_NETWORK_LOCK, 142137982Syongari MTX_DEF); 14391396Stmm /* 14491396Stmm * Map five register banks: 14591396Stmm * 14691396Stmm * bank 0: HME SEB registers 14791396Stmm * bank 1: HME ETX registers 14891396Stmm * bank 2: HME ERX registers 14991396Stmm * bank 3: HME MAC registers 15091396Stmm * bank 4: HME MIF registers 15191396Stmm * 15291396Stmm */ 153178589Smarius i = 0; 154127135Snjl hsc->hsc_seb_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 155178589Smarius &i, RF_ACTIVE); 15691396Stmm if (hsc->hsc_seb_res == NULL) { 15791396Stmm device_printf(dev, "cannot map SEB registers\n"); 158137982Syongari error = ENXIO; 159137982Syongari goto fail_mtx_res; 16091396Stmm } 16191396Stmm sc->sc_sebt = rman_get_bustag(hsc->hsc_seb_res); 16291396Stmm sc->sc_sebh = rman_get_bushandle(hsc->hsc_seb_res); 16391396Stmm 164178589Smarius i = 1; 165127135Snjl hsc->hsc_etx_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 166178589Smarius &i, RF_ACTIVE); 16791396Stmm if (hsc->hsc_etx_res == NULL) { 16891396Stmm device_printf(dev, "cannot map ETX registers\n"); 169133599Smarius error = ENXIO; 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 175178589Smarius i = 2; 176127135Snjl hsc->hsc_erx_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 177178589Smarius &i, RF_ACTIVE); 17891396Stmm if (hsc->hsc_erx_res == NULL) { 17991396Stmm device_printf(dev, "cannot map ERX registers\n"); 180133599Smarius error = ENXIO; 18191396Stmm goto fail_etx_res; 18291396Stmm } 18391396Stmm sc->sc_erxt = rman_get_bustag(hsc->hsc_erx_res); 18491396Stmm sc->sc_erxh = rman_get_bushandle(hsc->hsc_erx_res); 18591396Stmm 186178589Smarius i = 3; 187127135Snjl hsc->hsc_mac_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 188178589Smarius &i, RF_ACTIVE); 18991396Stmm if (hsc->hsc_mac_res == NULL) { 19091396Stmm device_printf(dev, "cannot map MAC registers\n"); 191133599Smarius error = ENXIO; 19291396Stmm goto fail_erx_res; 19391396Stmm } 19491396Stmm sc->sc_mact = rman_get_bustag(hsc->hsc_mac_res); 19591396Stmm sc->sc_mach = rman_get_bushandle(hsc->hsc_mac_res); 19691396Stmm 19791396Stmm /* 19891396Stmm * At least on some HMEs, the MIF registers seem to be inside the MAC 199133599Smarius * range, so try to kludge around it. 20091396Stmm */ 201178589Smarius i = 4; 202127135Snjl hsc->hsc_mif_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 203178589Smarius &i, RF_ACTIVE); 20491396Stmm if (hsc->hsc_mif_res == NULL) { 205178589Smarius if (bus_get_resource(dev, SYS_RES_MEMORY, i, 20691396Stmm &start, &count) != 0) { 20791396Stmm device_printf(dev, "cannot get MIF registers\n"); 208133599Smarius error = ENXIO; 20991396Stmm goto fail_mac_res; 21091396Stmm } 21191396Stmm if (start < rman_get_start(hsc->hsc_mac_res) || 21291396Stmm start + count - 1 > rman_get_end(hsc->hsc_mac_res)) { 21391396Stmm device_printf(dev, "cannot move MIF registers to MAC " 21491396Stmm "bank\n"); 215133599Smarius error = ENXIO; 21691396Stmm goto fail_mac_res; 21791396Stmm } 21891396Stmm sc->sc_mift = sc->sc_mact; 219133599Smarius bus_space_subregion(sc->sc_mact, sc->sc_mach, 220133599Smarius start - rman_get_start(hsc->hsc_mac_res), count, 221133599Smarius &sc->sc_mifh); 22291396Stmm } else { 22391396Stmm sc->sc_mift = rman_get_bustag(hsc->hsc_mif_res); 22491396Stmm sc->sc_mifh = rman_get_bushandle(hsc->hsc_mif_res); 22591396Stmm } 22691396Stmm 227178589Smarius i = 0; 228178589Smarius hsc->hsc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, 229178589Smarius &i, RF_SHAREABLE | RF_ACTIVE); 23091396Stmm if (hsc->hsc_ires == NULL) { 23191396Stmm device_printf(dev, "could not allocate interrupt\n"); 23291396Stmm error = ENXIO; 23391396Stmm goto fail_mif_res; 23491396Stmm } 23591396Stmm 236147256Sbrooks OF_getetheraddr(dev, sc->sc_enaddr); 23791396Stmm 23891396Stmm burst = sbus_get_burstsz(dev); 23991396Stmm /* Translate into plain numerical format */ 240133149Syongari if ((burst & SBUS_BURST_64)) 241133149Syongari sc->sc_burst = 64; 242133149Syongari else if ((burst & SBUS_BURST_32)) 243133149Syongari sc->sc_burst = 32; 244133149Syongari else if ((burst & SBUS_BURST_16)) 245133149Syongari sc->sc_burst = 16; 246133149Syongari else 247133149Syongari sc->sc_burst = 0; 24891396Stmm 24991396Stmm sc->sc_dev = dev; 250178470Smarius sc->sc_flags = 0; 25191396Stmm 25291396Stmm if ((error = hme_config(sc)) != 0) { 25391396Stmm device_printf(dev, "could not be configured\n"); 25491396Stmm goto fail_ires; 25591396Stmm } 25691396Stmm 257137982Syongari if ((error = bus_setup_intr(dev, hsc->hsc_ires, INTR_TYPE_NET | 258166901Spiso INTR_MPSAFE, NULL, hme_intr, sc, &hsc->hsc_ih)) != 0) { 25991396Stmm device_printf(dev, "couldn't establish interrupt\n"); 260108976Stmm hme_detach(sc); 26191396Stmm goto fail_ires; 26291396Stmm } 26391396Stmm return (0); 26491396Stmm 26591396Stmmfail_ires: 266178589Smarius bus_release_resource(dev, SYS_RES_IRQ, 267178589Smarius rman_get_rid(hsc->hsc_ires), hsc->hsc_ires); 26891396Stmmfail_mif_res: 26991396Stmm if (hsc->hsc_mif_res != NULL) { 270178589Smarius bus_release_resource(dev, SYS_RES_MEMORY, 271178589Smarius rman_get_rid(hsc->hsc_mif_res), hsc->hsc_mif_res); 27291396Stmm } 27391396Stmmfail_mac_res: 274178589Smarius bus_release_resource(dev, SYS_RES_MEMORY, 275178589Smarius rman_get_rid(hsc->hsc_mac_res), hsc->hsc_mac_res); 27691396Stmmfail_erx_res: 277178589Smarius bus_release_resource(dev, SYS_RES_MEMORY, 278178589Smarius rman_get_rid(hsc->hsc_erx_res), hsc->hsc_erx_res); 27991396Stmmfail_etx_res: 280178589Smarius bus_release_resource(dev, SYS_RES_MEMORY, 281178589Smarius rman_get_rid(hsc->hsc_etx_res), hsc->hsc_etx_res); 28291396Stmmfail_seb_res: 283178589Smarius bus_release_resource(dev, SYS_RES_MEMORY, 284178589Smarius rman_get_rid(hsc->hsc_seb_res), hsc->hsc_seb_res); 285137982Syongarifail_mtx_res: 286137982Syongari mtx_destroy(&sc->sc_lock); 287133599Smarius return (error); 28891396Stmm} 289108976Stmm 290108976Stmmstatic int 291108976Stmmhme_sbus_detach(device_t dev) 292108976Stmm{ 293178589Smarius struct hme_sbus_softc *hsc; 294178589Smarius struct hme_softc *sc; 295108976Stmm 296178589Smarius hsc = device_get_softc(dev); 297178589Smarius sc = &hsc->hsc_hme; 298137982Syongari bus_teardown_intr(dev, hsc->hsc_ires, hsc->hsc_ih); 299108976Stmm hme_detach(sc); 300178589Smarius bus_release_resource(dev, SYS_RES_IRQ, 301178589Smarius rman_get_rid(hsc->hsc_ires), hsc->hsc_ires); 302108976Stmm if (hsc->hsc_mif_res != NULL) { 303178589Smarius bus_release_resource(dev, SYS_RES_MEMORY, 304178589Smarius rman_get_rid(hsc->hsc_mif_res), hsc->hsc_mif_res); 305108976Stmm } 306178589Smarius bus_release_resource(dev, SYS_RES_MEMORY, 307178589Smarius rman_get_rid(hsc->hsc_mac_res), hsc->hsc_mac_res); 308178589Smarius bus_release_resource(dev, SYS_RES_MEMORY, 309178589Smarius rman_get_rid(hsc->hsc_erx_res), hsc->hsc_erx_res); 310178589Smarius bus_release_resource(dev, SYS_RES_MEMORY, 311178589Smarius rman_get_rid(hsc->hsc_etx_res), hsc->hsc_etx_res); 312178589Smarius bus_release_resource(dev, SYS_RES_MEMORY, 313178589Smarius rman_get_rid(hsc->hsc_seb_res), hsc->hsc_seb_res); 314137982Syongari mtx_destroy(&sc->sc_lock); 315108976Stmm return (0); 316108976Stmm} 317108976Stmm 318108976Stmmstatic int 319108976Stmmhme_sbus_suspend(device_t dev) 320108976Stmm{ 321178589Smarius struct hme_sbus_softc *hsc; 322108976Stmm 323178589Smarius hsc = device_get_softc(dev); 324178589Smarius hme_suspend(&hsc->hsc_hme); 325108976Stmm return (0); 326108976Stmm} 327108976Stmm 328108976Stmmstatic int 329108976Stmmhme_sbus_resume(device_t dev) 330108976Stmm{ 331178589Smarius struct hme_sbus_softc *hsc; 332108976Stmm 333178589Smarius hsc = device_get_softc(dev); 334178589Smarius hme_resume(&hsc->hsc_hme); 335108976Stmm return (0); 336108976Stmm} 337