/* $NetBSD: if_le_pci.c,v 1.7 1996/06/03 20:30:29 cgd Exp $ */ /*- * Copyright (c) 1995 Charles M. Hannum. All rights reserved. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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 "bpfilter.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 #ifdef __alpha__ /* XXX */ /* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */ #define vtophys(va) __alpha_bus_XXX_dmamap(lesc->sc_bc, (void *)(va)) #endif int le_pci_match __P((struct device *, void *, void *)); void le_pci_attach __P((struct device *, struct device *, void *)); struct cfattach le_pci_ca = { sizeof(struct le_softc), le_pci_match, le_pci_attach }; hide void le_pci_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t)); hide u_int16_t le_pci_rdcsr __P((struct am7990_softc *, u_int16_t)); /* * PCI constants. * XXX These should be in a common file! */ #define PCI_CBIO 0x10 /* Configuration Base IO Address */ hide void le_pci_wrcsr(sc, port, val) struct am7990_softc *sc; u_int16_t port, val; { struct le_softc *lesc = (struct le_softc *)sc; bus_chipset_tag_t bc = lesc->sc_bc; bus_io_handle_t ioh = lesc->sc_ioh; bus_io_write_2(bc, ioh, lesc->sc_rap, port); bus_io_write_2(bc, ioh, lesc->sc_rdp, val); } hide u_int16_t le_pci_rdcsr(sc, port) struct am7990_softc *sc; u_int16_t port; { struct le_softc *lesc = (struct le_softc *)sc; bus_chipset_tag_t bc = lesc->sc_bc; bus_io_handle_t ioh = lesc->sc_ioh; u_int16_t val; bus_io_write_2(bc, ioh, lesc->sc_rap, port); val = bus_io_read_2(bc, ioh, lesc->sc_rdp); return (val); } int le_pci_match(parent, match, aux) struct device *parent; void *match, *aux; { struct pci_attach_args *pa = aux; if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_AMD) return (0); switch (PCI_PRODUCT(pa->pa_id)) { case PCI_PRODUCT_AMD_PCNET_PCI: return (1); } return (0); } void le_pci_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct le_softc *lesc = (void *)self; struct am7990_softc *sc = &lesc->sc_am7990; struct pci_attach_args *pa = aux; pci_intr_handle_t ih; bus_io_addr_t iobase; bus_io_size_t iosize; bus_io_handle_t ioh; bus_chipset_tag_t bc = pa->pa_bc; pci_chipset_tag_t pc = pa->pa_pc; pcireg_t csr; int i; const char *model, *intrstr; switch (PCI_PRODUCT(pa->pa_id)) { case PCI_PRODUCT_AMD_PCNET_PCI: model = "PCnet-PCI Ethernet"; lesc->sc_rap = PCNET_PCI_RAP; lesc->sc_rdp = PCNET_PCI_RDP; break; default: model = "unknown model!"; } printf(": %s\n", model); if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) { printf("%s: can't find I/O base\n", sc->sc_dev.dv_xname); return; } if (bus_io_map(bc, iobase, iosize, &ioh)) { printf("%s: can't map I/O space\n", sc->sc_dev.dv_xname); return; } /* * Extract the physical MAC address from the ROM. */ for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++) sc->sc_arpcom.ac_enaddr[i] = bus_io_read_1(bc, ioh, i); sc->sc_mem = malloc(16384, M_DEVBUF, M_NOWAIT); if (sc->sc_mem == 0) { printf("%s: couldn't allocate memory for card\n", sc->sc_dev.dv_xname); return; } lesc->sc_bc = bc; lesc->sc_ioh = ioh; sc->sc_conf3 = 0; sc->sc_addr = vtophys(sc->sc_mem); /* XXX XXX XXX */ sc->sc_memsize = 16384; sc->sc_copytodesc = am7990_copytobuf_contig; sc->sc_copyfromdesc = am7990_copyfrombuf_contig; sc->sc_copytobuf = am7990_copytobuf_contig; sc->sc_copyfrombuf = am7990_copyfrombuf_contig; sc->sc_zerobuf = am7990_zerobuf_contig; sc->sc_rdcsr = le_pci_rdcsr; sc->sc_wrcsr = le_pci_wrcsr; sc->sc_hwinit = NULL; printf("%s", sc->sc_dev.dv_xname); am7990_config(sc); /* Enable the card. */ csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, csr | PCI_COMMAND_MASTER_ENABLE); /* Map and establish the interrupt. */ if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, pa->pa_intrline, &ih)) { printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); return; } intrstr = pci_intr_string(pc, ih); lesc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, am7990_intr, sc); if (lesc->sc_ih == NULL) { printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); return; } printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); }