/* $NetBSD: if_le_vsbus.c,v 1.28 2010/12/14 23:38:30 matt 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_vsbus.c,v 1.28 2010/12/14 23:38:30 matt Exp $"); #include "opt_inet.h" #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #endif #include #include #include #include #include #include #include #include "ioconf.h" struct le_softc { struct am7990_softc sc_am7990; /* Must be first */ struct evcnt sc_intrcnt; bus_dmamap_t sc_dm; volatile uint16_t *sc_rap; volatile uint16_t *sc_rdp; }; static int le_vsbus_match(device_t, cfdata_t, void *); static void le_vsbus_attach(device_t, device_t, void *); static void lewrcsr(struct lance_softc *, uint16_t, uint16_t); static uint16_t lerdcsr(struct lance_softc *, uint16_t); CFATTACH_DECL_NEW(le_vsbus, sizeof(struct le_softc), le_vsbus_match, le_vsbus_attach, NULL, NULL); void lewrcsr(struct lance_softc *ls, uint16_t port, uint16_t val) { struct le_softc * const sc = (void *)ls; *sc->sc_rap = port; *sc->sc_rdp = val; } uint16_t lerdcsr(struct lance_softc *ls, uint16_t port) { struct le_softc * const sc = (void *)ls; *sc->sc_rap = port; return *sc->sc_rdp; } static int le_vsbus_match(device_t parent, cfdata_t cf, void *aux) { struct vsbus_attach_args * const va = aux; volatile uint16_t *rdp, *rap; struct leinit initblock; bus_dmamap_t map; int i; int rv = 0; int error; if (vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_53) return 0; error = bus_dmamap_create(va->va_dmat, sizeof(initblock), 1, sizeof(initblock), 0, BUS_DMA_NOWAIT, &map); if (error) { return 0; } error = bus_dmamap_load(va->va_dmat, map, &initblock, sizeof(initblock), NULL, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); if (error) { bus_dmamap_destroy(va->va_dmat, map); return 0; } memset(&initblock, 0, sizeof(initblock)); rdp = (uint16_t *)va->va_addr; rap = rdp + 2; /* Make sure the chip is stopped. */ *rap = LE_CSR0; *rdp = LE_C0_STOP; DELAY(100); *rap = LE_CSR1; *rdp = map->dm_segs->ds_addr & 0xffff; *rap = LE_CSR2; *rdp = (map->dm_segs->ds_addr >> 16) & 0xffff; *rap = LE_CSR0; *rdp = LE_C0_INIT|LE_C0_INEA; /* Wait for initialization to finish. */ for (i = 100; i >= 0; i--) { DELAY(1000); /* Should have interrupted by now */ if (*rdp & LE_C0_IDON) rv = 1; } *rap = LE_CSR0; *rdp = LE_C0_STOP; bus_dmamap_unload(va->va_dmat, map); bus_dmamap_destroy(va->va_dmat, map); return rv; } static void le_vsbus_attach(device_t parent, device_t self, void *aux) { struct vsbus_attach_args * const va = aux; struct le_softc * const sc = device_private(self); bus_dma_segment_t seg; int *lance_addr; int i, err, rseg; sc->sc_am7990.lsc.sc_dev = self; sc->sc_rdp = (uint16_t *) vax_map_physmem(NI_BASE, 1); sc->sc_rap = sc->sc_rdp + 2; /* * MD functions. */ sc->sc_am7990.lsc.sc_rdcsr = lerdcsr; sc->sc_am7990.lsc.sc_wrcsr = lewrcsr; sc->sc_am7990.lsc.sc_nocarrier = NULL; scb_vecalloc(va->va_cvec, (void (*)(void *)) am7990_intr, sc, SCB_ISTACK, &sc->sc_intrcnt); evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL, device_xname(self), "intr"); /* * Allocate a (DMA-safe) block for all descriptors and buffers. */ #define ALLOCSIZ (64 * 1024) err = bus_dmamem_alloc(va->va_dmat, ALLOCSIZ, PAGE_SIZE, 0, &seg, 1, &rseg, BUS_DMA_NOWAIT); if (err) { aprint_error(": unable to alloc buffer block: err %d\n", err); return; } err = bus_dmamem_map(va->va_dmat, &seg, rseg, ALLOCSIZ, (void **)&sc->sc_am7990.lsc.sc_mem, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); if (err) { aprint_error(": unable to map buffer block: err %d\n", err); bus_dmamem_free(va->va_dmat, &seg, rseg); return; } bus_dmamap_create(va->va_dmat, ALLOCSIZ, rseg, ALLOCSIZ, 0, BUS_DMA_NOWAIT, &sc->sc_dm); if (err) { aprint_error(": unable to create DMA map: err %d\n", err); bus_dmamem_free(va->va_dmat, &seg, rseg); return; } err = bus_dmamap_load(va->va_dmat, sc->sc_dm, sc->sc_am7990.lsc.sc_mem, ALLOCSIZ, NULL, BUS_DMA_NOWAIT); if (err) { aprint_error(": unable to load DMA map: err %d\n", err); bus_dmamap_destroy(va->va_dmat, sc->sc_dm); bus_dmamem_free(va->va_dmat, &seg, rseg); return; } aprint_normal(" buf 0x%lx-0x%lx", sc->sc_dm->dm_segs->ds_addr, sc->sc_dm->dm_segs->ds_addr + sc->sc_dm->dm_segs->ds_len - 1); sc->sc_am7990.lsc.sc_addr = sc->sc_dm->dm_segs->ds_addr & 0xffffff; sc->sc_am7990.lsc.sc_memsize = sc->sc_dm->dm_segs->ds_len; sc->sc_am7990.lsc.sc_copytodesc = lance_copytobuf_contig; sc->sc_am7990.lsc.sc_copyfromdesc = lance_copyfrombuf_contig; sc->sc_am7990.lsc.sc_copytobuf = lance_copytobuf_contig; sc->sc_am7990.lsc.sc_copyfrombuf = lance_copyfrombuf_contig; sc->sc_am7990.lsc.sc_zerobuf = lance_zerobuf_contig; #ifdef LEDEBUG sc->sc_am7990.lsc.sc_debug = 1; #endif /* * Get the ethernet address out of rom */ lance_addr = (int *)vax_map_physmem(NI_ADDR, 1); for (i = 0; i < ETHER_ADDR_LEN; i++) sc->sc_am7990.lsc.sc_enaddr[i] = (u_char)lance_addr[i]; vax_unmap_physmem((vaddr_t)lance_addr, 1); memcpy(sc->sc_am7990.lsc.sc_ethercom.ec_if.if_xname, device_xname(self), IFNAMSIZ); /* Prettier printout */ aprint_normal("\n%s", device_xname(self)); am7990_config(&sc->sc_am7990); }