1d1d3233eSRafal Jaworowski /*- 2d1d3233eSRafal Jaworowski * Copyright (C) 2007-2008 Semihalf, Rafal Jaworowski 3d1d3233eSRafal Jaworowski * Copyright (C) 2006-2007 Semihalf, Piotr Kruszynski 4d1d3233eSRafal Jaworowski * All rights reserved. 5d1d3233eSRafal Jaworowski * 6d1d3233eSRafal Jaworowski * Redistribution and use in source and binary forms, with or without 7d1d3233eSRafal Jaworowski * modification, are permitted provided that the following conditions 8d1d3233eSRafal Jaworowski * are met: 9d1d3233eSRafal Jaworowski * 1. Redistributions of source code must retain the above copyright 10d1d3233eSRafal Jaworowski * notice, this list of conditions and the following disclaimer. 11d1d3233eSRafal Jaworowski * 2. Redistributions in binary form must reproduce the above copyright 12d1d3233eSRafal Jaworowski * notice, this list of conditions and the following disclaimer in the 13d1d3233eSRafal Jaworowski * documentation and/or other materials provided with the distribution. 14d1d3233eSRafal Jaworowski * 15d1d3233eSRafal Jaworowski * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16d1d3233eSRafal Jaworowski * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17d1d3233eSRafal Jaworowski * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 18d1d3233eSRafal Jaworowski * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19d1d3233eSRafal Jaworowski * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 20d1d3233eSRafal Jaworowski * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21d1d3233eSRafal Jaworowski * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 22d1d3233eSRafal Jaworowski * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 23d1d3233eSRafal Jaworowski * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 24d1d3233eSRafal Jaworowski * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25d1d3233eSRafal Jaworowski * 26d1d3233eSRafal Jaworowski * From: FreeBSD: head/sys/dev/tsec/if_tsec_ocp.c 188712 2009-02-17 14:59:47Z raj 27d1d3233eSRafal Jaworowski */ 28d1d3233eSRafal Jaworowski 29d1d3233eSRafal Jaworowski /* 30d1d3233eSRafal Jaworowski * FDT 'simple-bus' attachment for Freescale TSEC controller. 31d1d3233eSRafal Jaworowski */ 32d1d3233eSRafal Jaworowski #include <sys/cdefs.h> 33d1d3233eSRafal Jaworowski __FBSDID("$FreeBSD$"); 34d1d3233eSRafal Jaworowski 35d1d3233eSRafal Jaworowski #include <sys/param.h> 36d1d3233eSRafal Jaworowski #include <sys/systm.h> 37d1d3233eSRafal Jaworowski #include <sys/endian.h> 38d1d3233eSRafal Jaworowski #include <sys/mbuf.h> 39d1d3233eSRafal Jaworowski #include <sys/kernel.h> 40d1d3233eSRafal Jaworowski #include <sys/module.h> 41d1d3233eSRafal Jaworowski #include <sys/socket.h> 42d1d3233eSRafal Jaworowski #include <sys/sysctl.h> 43d1d3233eSRafal Jaworowski 44d1d3233eSRafal Jaworowski #include <sys/bus.h> 45d1d3233eSRafal Jaworowski #include <machine/bus.h> 46d1d3233eSRafal Jaworowski #include <sys/rman.h> 47d1d3233eSRafal Jaworowski #include <machine/resource.h> 48d1d3233eSRafal Jaworowski 49d1d3233eSRafal Jaworowski #include <net/ethernet.h> 50d1d3233eSRafal Jaworowski #include <net/if.h> 51d1d3233eSRafal Jaworowski #include <net/if_dl.h> 52d1d3233eSRafal Jaworowski #include <net/if_media.h> 53d1d3233eSRafal Jaworowski #include <net/if_arp.h> 54d1d3233eSRafal Jaworowski 55d1d3233eSRafal Jaworowski #include <dev/fdt/fdt_common.h> 56d1d3233eSRafal Jaworowski #include <dev/mii/mii.h> 57d1d3233eSRafal Jaworowski #include <dev/mii/miivar.h> 58d1d3233eSRafal Jaworowski #include <dev/ofw/ofw_bus.h> 59d1d3233eSRafal Jaworowski #include <dev/ofw/ofw_bus_subr.h> 60d1d3233eSRafal Jaworowski #include <dev/ofw/openfirm.h> 61d1d3233eSRafal Jaworowski 62d1d3233eSRafal Jaworowski #include <dev/tsec/if_tsec.h> 63d1d3233eSRafal Jaworowski #include <dev/tsec/if_tsecreg.h> 64d1d3233eSRafal Jaworowski 65d1d3233eSRafal Jaworowski #include "miibus_if.h" 66d1d3233eSRafal Jaworowski 67d1d3233eSRafal Jaworowski #define TSEC_RID_TXIRQ 0 68d1d3233eSRafal Jaworowski #define TSEC_RID_RXIRQ 1 69d1d3233eSRafal Jaworowski #define TSEC_RID_ERRIRQ 2 70d1d3233eSRafal Jaworowski 71d1d3233eSRafal Jaworowski extern struct tsec_softc *tsec0_sc; 72d1d3233eSRafal Jaworowski 73d1d3233eSRafal Jaworowski static int tsec_fdt_probe(device_t dev); 74d1d3233eSRafal Jaworowski static int tsec_fdt_attach(device_t dev); 75d1d3233eSRafal Jaworowski static int tsec_fdt_detach(device_t dev); 76d1d3233eSRafal Jaworowski static int tsec_setup_intr(struct tsec_softc *sc, struct resource **ires, 77d1d3233eSRafal Jaworowski void **ihand, int *irid, driver_intr_t handler, const char *iname); 78d1d3233eSRafal Jaworowski static void tsec_release_intr(struct tsec_softc *sc, struct resource *ires, 79d1d3233eSRafal Jaworowski void *ihand, int irid, const char *iname); 80d1d3233eSRafal Jaworowski 81d1d3233eSRafal Jaworowski static device_method_t tsec_methods[] = { 82d1d3233eSRafal Jaworowski /* Device interface */ 83d1d3233eSRafal Jaworowski DEVMETHOD(device_probe, tsec_fdt_probe), 84d1d3233eSRafal Jaworowski DEVMETHOD(device_attach, tsec_fdt_attach), 85d1d3233eSRafal Jaworowski DEVMETHOD(device_detach, tsec_fdt_detach), 86d1d3233eSRafal Jaworowski 87d1d3233eSRafal Jaworowski DEVMETHOD(device_shutdown, tsec_shutdown), 88d1d3233eSRafal Jaworowski DEVMETHOD(device_suspend, tsec_suspend), 89d1d3233eSRafal Jaworowski DEVMETHOD(device_resume, tsec_resume), 90d1d3233eSRafal Jaworowski 91d1d3233eSRafal Jaworowski /* Bus interface */ 92d1d3233eSRafal Jaworowski DEVMETHOD(bus_print_child, bus_generic_print_child), 93d1d3233eSRafal Jaworowski DEVMETHOD(bus_driver_added, bus_generic_driver_added), 94d1d3233eSRafal Jaworowski 95d1d3233eSRafal Jaworowski /* MII interface */ 96d1d3233eSRafal Jaworowski DEVMETHOD(miibus_readreg, tsec_miibus_readreg), 97d1d3233eSRafal Jaworowski DEVMETHOD(miibus_writereg, tsec_miibus_writereg), 98d1d3233eSRafal Jaworowski DEVMETHOD(miibus_statchg, tsec_miibus_statchg), 99d1d3233eSRafal Jaworowski { 0, 0 } 100d1d3233eSRafal Jaworowski }; 101d1d3233eSRafal Jaworowski 102d1d3233eSRafal Jaworowski static driver_t tsec_fdt_driver = { 103d1d3233eSRafal Jaworowski "tsec", 104d1d3233eSRafal Jaworowski tsec_methods, 105d1d3233eSRafal Jaworowski sizeof(struct tsec_softc), 106d1d3233eSRafal Jaworowski }; 107d1d3233eSRafal Jaworowski 108d1d3233eSRafal Jaworowski DRIVER_MODULE(tsec, simplebus, tsec_fdt_driver, tsec_devclass, 0, 0); 109d1d3233eSRafal Jaworowski MODULE_DEPEND(tsec, simplebus, 1, 1, 1); 110d1d3233eSRafal Jaworowski MODULE_DEPEND(tsec, ether, 1, 1, 1); 111d1d3233eSRafal Jaworowski 112d1d3233eSRafal Jaworowski static int 113d1d3233eSRafal Jaworowski tsec_fdt_probe(device_t dev) 114d1d3233eSRafal Jaworowski { 115d1d3233eSRafal Jaworowski struct tsec_softc *sc; 116d1d3233eSRafal Jaworowski uint32_t id; 117d1d3233eSRafal Jaworowski 118d1d3233eSRafal Jaworowski if (!ofw_bus_is_compatible(dev, "gianfar")) 119d1d3233eSRafal Jaworowski return (ENXIO); 120d1d3233eSRafal Jaworowski 121d1d3233eSRafal Jaworowski sc = device_get_softc(dev); 122d1d3233eSRafal Jaworowski 123d1d3233eSRafal Jaworowski sc->sc_rrid = 0; 124d1d3233eSRafal Jaworowski sc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_rrid, 125d1d3233eSRafal Jaworowski RF_ACTIVE); 126d1d3233eSRafal Jaworowski if (sc->sc_rres == NULL) 127d1d3233eSRafal Jaworowski return (ENXIO); 128d1d3233eSRafal Jaworowski 129d1d3233eSRafal Jaworowski sc->sc_bas.bsh = rman_get_bushandle(sc->sc_rres); 130d1d3233eSRafal Jaworowski sc->sc_bas.bst = rman_get_bustag(sc->sc_rres); 131d1d3233eSRafal Jaworowski 132d1d3233eSRafal Jaworowski /* Check if we are eTSEC (enhanced TSEC) */ 133d1d3233eSRafal Jaworowski id = TSEC_READ(sc, TSEC_REG_ID); 134d1d3233eSRafal Jaworowski sc->is_etsec = ((id >> 16) == TSEC_ETSEC_ID) ? 1 : 0; 135d1d3233eSRafal Jaworowski id |= TSEC_READ(sc, TSEC_REG_ID2); 136d1d3233eSRafal Jaworowski 137d1d3233eSRafal Jaworowski bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_rrid, sc->sc_rres); 138d1d3233eSRafal Jaworowski 139d1d3233eSRafal Jaworowski if (id == 0) { 140d1d3233eSRafal Jaworowski device_printf(dev, "could not identify TSEC type\n"); 141d1d3233eSRafal Jaworowski return (ENXIO); 142d1d3233eSRafal Jaworowski } 143d1d3233eSRafal Jaworowski 144d1d3233eSRafal Jaworowski if (sc->is_etsec) 145d1d3233eSRafal Jaworowski device_set_desc(dev, "Enhanced Three-Speed Ethernet Controller"); 146d1d3233eSRafal Jaworowski else 147d1d3233eSRafal Jaworowski device_set_desc(dev, "Three-Speed Ethernet Controller"); 148d1d3233eSRafal Jaworowski 149d1d3233eSRafal Jaworowski return (BUS_PROBE_DEFAULT); 150d1d3233eSRafal Jaworowski } 151d1d3233eSRafal Jaworowski 152d1d3233eSRafal Jaworowski static int 153d1d3233eSRafal Jaworowski tsec_fdt_attach(device_t dev) 154d1d3233eSRafal Jaworowski { 155d1d3233eSRafal Jaworowski struct tsec_softc *sc; 156d1d3233eSRafal Jaworowski int error = 0; 157d1d3233eSRafal Jaworowski 158d1d3233eSRafal Jaworowski sc = device_get_softc(dev); 159d1d3233eSRafal Jaworowski sc->dev = dev; 160d1d3233eSRafal Jaworowski sc->node = ofw_bus_get_node(dev); 161d1d3233eSRafal Jaworowski 162d1d3233eSRafal Jaworowski /* XXX add comment on weird FSL's MII registers access design */ 163d1d3233eSRafal Jaworowski if (device_get_unit(dev) == 0) 164d1d3233eSRafal Jaworowski tsec0_sc = sc; 165d1d3233eSRafal Jaworowski 166d1d3233eSRafal Jaworowski /* Get phy address from fdt */ 167d1d3233eSRafal Jaworowski if (fdt_get_phyaddr(sc->node, &sc->phyaddr) != 0) 168d1d3233eSRafal Jaworowski return (ENXIO); 169d1d3233eSRafal Jaworowski 170d1d3233eSRafal Jaworowski /* Init timer */ 171d1d3233eSRafal Jaworowski callout_init(&sc->tsec_callout, 1); 172d1d3233eSRafal Jaworowski 173d1d3233eSRafal Jaworowski /* Init locks */ 174d1d3233eSRafal Jaworowski mtx_init(&sc->transmit_lock, device_get_nameunit(dev), "TSEC TX lock", 175d1d3233eSRafal Jaworowski MTX_DEF); 176d1d3233eSRafal Jaworowski mtx_init(&sc->receive_lock, device_get_nameunit(dev), "TSEC RX lock", 177d1d3233eSRafal Jaworowski MTX_DEF); 178d1d3233eSRafal Jaworowski mtx_init(&sc->ic_lock, device_get_nameunit(dev), "TSEC IC lock", 179d1d3233eSRafal Jaworowski MTX_DEF); 180d1d3233eSRafal Jaworowski 181d1d3233eSRafal Jaworowski /* Allocate IO memory for TSEC registers */ 182d1d3233eSRafal Jaworowski sc->sc_rrid = 0; 183d1d3233eSRafal Jaworowski sc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_rrid, 184d1d3233eSRafal Jaworowski RF_ACTIVE); 185d1d3233eSRafal Jaworowski if (sc->sc_rres == NULL) { 186d1d3233eSRafal Jaworowski device_printf(dev, "could not allocate IO memory range!\n"); 187d1d3233eSRafal Jaworowski goto fail1; 188d1d3233eSRafal Jaworowski } 189d1d3233eSRafal Jaworowski sc->sc_bas.bsh = rman_get_bushandle(sc->sc_rres); 190d1d3233eSRafal Jaworowski sc->sc_bas.bst = rman_get_bustag(sc->sc_rres); 191d1d3233eSRafal Jaworowski 192d1d3233eSRafal Jaworowski /* TSEC attach */ 193d1d3233eSRafal Jaworowski if (tsec_attach(sc) != 0) { 194d1d3233eSRafal Jaworowski device_printf(dev, "could not be configured\n"); 195d1d3233eSRafal Jaworowski goto fail2; 196d1d3233eSRafal Jaworowski } 197d1d3233eSRafal Jaworowski 198d1d3233eSRafal Jaworowski /* Set up interrupts (TX/RX/ERR) */ 199d1d3233eSRafal Jaworowski sc->sc_transmit_irid = TSEC_RID_TXIRQ; 200d1d3233eSRafal Jaworowski error = tsec_setup_intr(sc, &sc->sc_transmit_ires, 201d1d3233eSRafal Jaworowski &sc->sc_transmit_ihand, &sc->sc_transmit_irid, 202d1d3233eSRafal Jaworowski tsec_transmit_intr, "TX"); 203d1d3233eSRafal Jaworowski if (error) 204d1d3233eSRafal Jaworowski goto fail2; 205d1d3233eSRafal Jaworowski 206d1d3233eSRafal Jaworowski sc->sc_receive_irid = TSEC_RID_RXIRQ; 207d1d3233eSRafal Jaworowski error = tsec_setup_intr(sc, &sc->sc_receive_ires, 208d1d3233eSRafal Jaworowski &sc->sc_receive_ihand, &sc->sc_receive_irid, 209d1d3233eSRafal Jaworowski tsec_receive_intr, "RX"); 210d1d3233eSRafal Jaworowski if (error) 211d1d3233eSRafal Jaworowski goto fail3; 212d1d3233eSRafal Jaworowski 213d1d3233eSRafal Jaworowski sc->sc_error_irid = TSEC_RID_ERRIRQ; 214d1d3233eSRafal Jaworowski error = tsec_setup_intr(sc, &sc->sc_error_ires, 215d1d3233eSRafal Jaworowski &sc->sc_error_ihand, &sc->sc_error_irid, 216d1d3233eSRafal Jaworowski tsec_error_intr, "ERR"); 217d1d3233eSRafal Jaworowski if (error) 218d1d3233eSRafal Jaworowski goto fail4; 219d1d3233eSRafal Jaworowski 220d1d3233eSRafal Jaworowski return (0); 221d1d3233eSRafal Jaworowski 222d1d3233eSRafal Jaworowski fail4: 223d1d3233eSRafal Jaworowski tsec_release_intr(sc, sc->sc_receive_ires, sc->sc_receive_ihand, 224d1d3233eSRafal Jaworowski sc->sc_receive_irid, "RX"); 225d1d3233eSRafal Jaworowski fail3: 226d1d3233eSRafal Jaworowski tsec_release_intr(sc, sc->sc_transmit_ires, sc->sc_transmit_ihand, 227d1d3233eSRafal Jaworowski sc->sc_transmit_irid, "TX"); 228d1d3233eSRafal Jaworowski fail2: 229d1d3233eSRafal Jaworowski bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_rrid, sc->sc_rres); 230d1d3233eSRafal Jaworowski fail1: 231d1d3233eSRafal Jaworowski mtx_destroy(&sc->receive_lock); 232d1d3233eSRafal Jaworowski mtx_destroy(&sc->transmit_lock); 233d1d3233eSRafal Jaworowski return (ENXIO); 234d1d3233eSRafal Jaworowski } 235d1d3233eSRafal Jaworowski 236d1d3233eSRafal Jaworowski static int 237d1d3233eSRafal Jaworowski tsec_setup_intr(struct tsec_softc *sc, struct resource **ires, void **ihand, 238d1d3233eSRafal Jaworowski int *irid, driver_intr_t handler, const char *iname) 239d1d3233eSRafal Jaworowski { 240d1d3233eSRafal Jaworowski int error; 241d1d3233eSRafal Jaworowski 242d1d3233eSRafal Jaworowski *ires = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ, irid, RF_ACTIVE); 243d1d3233eSRafal Jaworowski if (*ires == NULL) { 244d1d3233eSRafal Jaworowski device_printf(sc->dev, "could not allocate %s IRQ\n", iname); 245d1d3233eSRafal Jaworowski return (ENXIO); 246d1d3233eSRafal Jaworowski } 247d1d3233eSRafal Jaworowski error = bus_setup_intr(sc->dev, *ires, INTR_TYPE_NET | INTR_MPSAFE, 248d1d3233eSRafal Jaworowski NULL, handler, sc, ihand); 249d1d3233eSRafal Jaworowski if (error) { 250d1d3233eSRafal Jaworowski device_printf(sc->dev, "failed to set up %s IRQ\n", iname); 251d1d3233eSRafal Jaworowski if (bus_release_resource(sc->dev, SYS_RES_IRQ, *irid, *ires)) 252d1d3233eSRafal Jaworowski device_printf(sc->dev, "could not release %s IRQ\n", iname); 253d1d3233eSRafal Jaworowski *ires = NULL; 254d1d3233eSRafal Jaworowski return (error); 255d1d3233eSRafal Jaworowski } 256d1d3233eSRafal Jaworowski return (0); 257d1d3233eSRafal Jaworowski } 258d1d3233eSRafal Jaworowski 259d1d3233eSRafal Jaworowski static void 260d1d3233eSRafal Jaworowski tsec_release_intr(struct tsec_softc *sc, struct resource *ires, void *ihand, 261d1d3233eSRafal Jaworowski int irid, const char *iname) 262d1d3233eSRafal Jaworowski { 263d1d3233eSRafal Jaworowski int error; 264d1d3233eSRafal Jaworowski 265d1d3233eSRafal Jaworowski if (ires == NULL) 266d1d3233eSRafal Jaworowski return; 267d1d3233eSRafal Jaworowski 268d1d3233eSRafal Jaworowski error = bus_teardown_intr(sc->dev, ires, ihand); 269d1d3233eSRafal Jaworowski if (error) 270d1d3233eSRafal Jaworowski device_printf(sc->dev, "bus_teardown_intr() failed for %s intr" 271d1d3233eSRafal Jaworowski ", error %d\n", iname, error); 272d1d3233eSRafal Jaworowski 273d1d3233eSRafal Jaworowski error = bus_release_resource(sc->dev, SYS_RES_IRQ, irid, ires); 274d1d3233eSRafal Jaworowski if (error) 275d1d3233eSRafal Jaworowski device_printf(sc->dev, "bus_release_resource() failed for %s " 276d1d3233eSRafal Jaworowski "intr, error %d\n", iname, error); 277d1d3233eSRafal Jaworowski } 278d1d3233eSRafal Jaworowski 279d1d3233eSRafal Jaworowski static int 280d1d3233eSRafal Jaworowski tsec_fdt_detach(device_t dev) 281d1d3233eSRafal Jaworowski { 282d1d3233eSRafal Jaworowski struct tsec_softc *sc; 283d1d3233eSRafal Jaworowski int error; 284d1d3233eSRafal Jaworowski 285d1d3233eSRafal Jaworowski sc = device_get_softc(dev); 286d1d3233eSRafal Jaworowski 287d1d3233eSRafal Jaworowski /* Wait for stopping watchdog */ 288d1d3233eSRafal Jaworowski callout_drain(&sc->tsec_callout); 289d1d3233eSRafal Jaworowski 290d1d3233eSRafal Jaworowski /* Stop and release all interrupts */ 291d1d3233eSRafal Jaworowski tsec_release_intr(sc, sc->sc_transmit_ires, sc->sc_transmit_ihand, 292d1d3233eSRafal Jaworowski sc->sc_transmit_irid, "TX"); 293d1d3233eSRafal Jaworowski tsec_release_intr(sc, sc->sc_receive_ires, sc->sc_receive_ihand, 294d1d3233eSRafal Jaworowski sc->sc_receive_irid, "RX"); 295d1d3233eSRafal Jaworowski tsec_release_intr(sc, sc->sc_error_ires, sc->sc_error_ihand, 296d1d3233eSRafal Jaworowski sc->sc_error_irid, "ERR"); 297d1d3233eSRafal Jaworowski 298d1d3233eSRafal Jaworowski /* TSEC detach */ 299d1d3233eSRafal Jaworowski tsec_detach(sc); 300d1d3233eSRafal Jaworowski 301d1d3233eSRafal Jaworowski /* Free IO memory handler */ 302d1d3233eSRafal Jaworowski if (sc->sc_rres) { 303d1d3233eSRafal Jaworowski error = bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_rrid, 304d1d3233eSRafal Jaworowski sc->sc_rres); 305d1d3233eSRafal Jaworowski if (error) 306d1d3233eSRafal Jaworowski device_printf(dev, "bus_release_resource() failed for" 307d1d3233eSRafal Jaworowski " IO memory, error %d\n", error); 308d1d3233eSRafal Jaworowski } 309d1d3233eSRafal Jaworowski 310d1d3233eSRafal Jaworowski /* Destroy locks */ 311d1d3233eSRafal Jaworowski mtx_destroy(&sc->receive_lock); 312d1d3233eSRafal Jaworowski mtx_destroy(&sc->transmit_lock); 313d1d3233eSRafal Jaworowski mtx_destroy(&sc->ic_lock); 314d1d3233eSRafal Jaworowski return (0); 315d1d3233eSRafal Jaworowski } 316d1d3233eSRafal Jaworowski 317d1d3233eSRafal Jaworowski void 318d1d3233eSRafal Jaworowski tsec_get_hwaddr(struct tsec_softc *sc, uint8_t *addr) 319d1d3233eSRafal Jaworowski { 320d1d3233eSRafal Jaworowski union { 321d1d3233eSRafal Jaworowski uint32_t reg[2]; 322d1d3233eSRafal Jaworowski uint8_t addr[6]; 323*df0437caSMarcel Moolenaar } hw; 324d1d3233eSRafal Jaworowski int i; 325d1d3233eSRafal Jaworowski 326*df0437caSMarcel Moolenaar hw.reg[0] = hw.reg[1] = 0; 327*df0437caSMarcel Moolenaar 328*df0437caSMarcel Moolenaar /* Retrieve the hardware address from the device tree. */ 329*df0437caSMarcel Moolenaar i = OF_getprop(sc->node, "local-mac-address", (void *)hw.addr, 6); 330*df0437caSMarcel Moolenaar if (i == 6 && (hw.reg[0] != 0 || hw.reg[1] != 0)) { 331*df0437caSMarcel Moolenaar bcopy(hw.addr, addr, 6); 332d1d3233eSRafal Jaworowski return; 333d1d3233eSRafal Jaworowski } 334d1d3233eSRafal Jaworowski 335d1d3233eSRafal Jaworowski /* 336d1d3233eSRafal Jaworowski * Fall back -- use the currently programmed address in the hope that 337d1d3233eSRafal Jaworowski * it was set be firmware... 338d1d3233eSRafal Jaworowski */ 339*df0437caSMarcel Moolenaar hw.reg[0] = TSEC_READ(sc, TSEC_REG_MACSTNADDR1); 340*df0437caSMarcel Moolenaar hw.reg[1] = TSEC_READ(sc, TSEC_REG_MACSTNADDR2); 341d1d3233eSRafal Jaworowski for (i = 0; i < 6; i++) 342*df0437caSMarcel Moolenaar addr[5-i] = hw.addr[i]; 343d1d3233eSRafal Jaworowski } 344