/* $NetBSD: if_le.c,v 1.36 2010/01/19 22:06:21 pooka Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell and Rick Macklem. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)if_le.c 8.2 (Berkeley) 11/16/93 */ #include __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.36 2010/01/19 22:06:21 pooka Exp $"); #include "opt_inet.h" #include #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #endif #include #include #include #include #include #include #include #include #include #include #include #include "ioconf.h" int le_pcc_match(device_t, cfdata_t, void *); void le_pcc_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(le_pcc, sizeof(struct le_softc), le_pcc_match, le_pcc_attach, NULL, NULL); #if defined(_KERNEL_OPT) #include "opt_ddb.h" #endif #ifdef DDB #define hide #else #define hide static #endif hide void le_pcc_wrcsr(struct lance_softc *, uint16_t, uint16_t); hide uint16_t le_pcc_rdcsr(struct lance_softc *, uint16_t); hide void le_pcc_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) { struct le_softc *lsc; lsc = (struct le_softc *)sc; bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP, val); } hide uint16_t le_pcc_rdcsr(struct lance_softc *sc, uint16_t port) { struct le_softc *lsc; lsc = (struct le_softc *)sc; bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); return bus_space_read_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP); } /* ARGSUSED */ int le_pcc_match(device_t parent, cfdata_t cf, void *aux) { struct pcc_attach_args *pa = aux; if (strcmp(pa->pa_name, le_cd.cd_name)) return 0; pa->pa_ipl = cf->pcccf_ipl; return 1; } /* ARGSUSED */ void le_pcc_attach(device_t parent, device_t self, void *aux) { struct le_softc *lsc; struct lance_softc *sc; struct pcc_attach_args *pa; bus_dma_segment_t seg; int rseg; lsc = device_private(self); sc = &lsc->sc_am7990.lsc; sc->sc_dev = self; pa = aux; /* Map control registers. */ lsc->sc_bust = pa->pa_bust; bus_space_map(pa->pa_bust, pa->pa_offset, 4, 0, &lsc->sc_bush); /* Get contiguous DMA-able memory for the lance */ if (bus_dmamem_alloc(pa->pa_dmat, ether_data_buff_size, PAGE_SIZE, 0, &seg, 1, &rseg, BUS_DMA_NOWAIT | BUS_DMA_ONBOARD_RAM | BUS_DMA_24BIT)) { aprint_error(": Failed to allocate ether buffer\n"); return; } if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, ether_data_buff_size, (void **)&sc->sc_mem, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) { aprint_error(": Failed to map ether buffer\n"); bus_dmamem_free(pa->pa_dmat, &seg, rseg); return; } sc->sc_addr = seg.ds_addr; sc->sc_memsize = ether_data_buff_size; sc->sc_conf3 = LE_C3_BSWP; memcpy(sc->sc_enaddr, mvme_ea, ETHER_ADDR_LEN); sc->sc_copytodesc = lance_copytobuf_contig; sc->sc_copyfromdesc = lance_copyfrombuf_contig; sc->sc_copytobuf = lance_copytobuf_contig; sc->sc_copyfrombuf = lance_copyfrombuf_contig; sc->sc_zerobuf = lance_zerobuf_contig; sc->sc_rdcsr = le_pcc_rdcsr; sc->sc_wrcsr = le_pcc_wrcsr; sc->sc_hwinit = NULL; am7990_config(&lsc->sc_am7990); evcnt_attach_dynamic(&lsc->sc_evcnt, EVCNT_TYPE_INTR, pccintr_evcnt(pa->pa_ipl), "ether", device_xname(self)); pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc, &lsc->sc_evcnt); pcc_reg_write(sys_pcc, PCCREG_LANCE_INTR_CTRL, pa->pa_ipl | PCC_IENABLE); }