diff options
Diffstat (limited to 'sys/dev/pci/if_le_pci.c')
| -rw-r--r-- | sys/dev/pci/if_le_pci.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/sys/dev/pci/if_le_pci.c b/sys/dev/pci/if_le_pci.c new file mode 100644 index 00000000000..e08d8906a76 --- /dev/null +++ b/sys/dev/pci/if_le_pci.c @@ -0,0 +1,206 @@ +/* $NetBSD: if_le_pci.c,v 1.1 1996/05/07 02:03:02 thorpej 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 <sys/param.h> +#include <sys/systm.h> +#include <sys/mbuf.h> +#include <sys/syslog.h> +#include <sys/socket.h> +#include <sys/device.h> + +#include <net/if.h> + +#ifdef INET +#include <netinet/in.h> +#include <netinet/if_ether.h> +#endif + +#include <vm/vm.h> + +#include <machine/cpu.h> +#include <machine/pio.h> + +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> +#include <dev/pci/pcidevs.h> + +#include <dev/ic/am7990reg.h> +#include <dev/ic/am7990var.h> + +#include <dev/pci/if_levar.h> + +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)); + +hide void +le_pci_wrcsr(sc, port, val) + struct am7990_softc *sc; + u_int16_t port, val; +{ + + outw(((struct le_softc *)sc)->sc_rap, port); + outw(((struct le_softc *)sc)->sc_rdp, val); +} + +hide u_int16_t +le_pci_rdcsr(sc, port) + struct am7990_softc *sc; + u_int16_t port; +{ + u_int16_t val; + + outw(((struct le_softc *)sc)->sc_rap, port); + val = inw(((struct le_softc *)sc)->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_chipset_tag_t pc = pa->pa_pc; + pci_intr_handle_t ih; + pcireg_t csr; + int iobase, i; + const char *model, *intrstr; + + switch (PCI_PRODUCT(pa->pa_id)) { + case PCI_PRODUCT_AMD_PCNET_PCI: + model = "PCnet-PCI Ethernet"; + lesc->sc_rap = iobase + PCNET_PCI_RAP; + lesc->sc_rdp = iobase + PCNET_PCI_RDP; + break; + + default: + model = "unknown model!"; + } + + printf(": %s\n", sc->sc_dev.dv_xname, model); + + if (pci_map_io(pa->pa_tag, 0x10, &iobase)) + 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] = inb(iobase + 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; + } + + sc->sc_conf3 = 0; + sc->sc_addr = kvtop(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(pa->pa_bc, pa->pa_tag, + PCI_COMMAND_STATUS_REG); + pci_conf_write(pa->pa_bc, 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, + sc->sc_dev.dv_xname); + 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); +} |