pci specific code for the eni155p card
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chuck
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d96712ec4b
commit
254ec3a7ef
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@ -1,4 +1,4 @@
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# $NetBSD: files.pci,v 1.16 1996/05/16 03:44:16 mycroft Exp $
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# $NetBSD: files.pci,v 1.17 1996/06/22 02:00:34 chuck Exp $
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#
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# Config.new file and device description for machine-independent PCI code.
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# Included by ports that need it. Requires that the SCSI files be
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@ -44,3 +44,9 @@ file dev/pci/if_ep_pci.c ep_pci
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# device declaration in sys/conf/files
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attach le at pci with le_pci
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file dev/pci/if_le_pci.c le_pci
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# ENI ATM driver
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device en: atm, ifnet
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attach en at pci with en_pci
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file dev/pci/if_en_pci.c en
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file dev/ic/midway.c en
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@ -0,0 +1,204 @@
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/* $NetBSD: if_en_pci.c,v 1.1 1996/06/22 02:00:31 chuck Exp $ */
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/*
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*
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* Copyright (c) 1996 Charles D. Cranor and Washington University.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles D. Cranor and
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* Washington University.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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*
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* i f _ e n _ p c i . c
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*
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* author: Chuck Cranor <chuck@ccrc.wustl.edu>
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* started: spring, 1996.
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*
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* PCI glue for the eni155p card.
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*/
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/device.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <net/if.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/ic/midwayreg.h>
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#include <dev/ic/midwayvar.h>
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/*
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* local structures
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*/
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struct en_pci_softc {
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/* bus independent stuff */
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struct en_softc esc; /* includes "device" structure */
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/* PCI bus glue */
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void *sc_ih; /* interrupt handle */
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pci_chipset_tag_t en_pc; /* for PCI calls */
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};
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/*
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* local defines (PCI specific stuff)
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*/
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/*
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* address of config base memory address register in PCI config space
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* (this is card specific)
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*/
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#define PCI_CBMA 0x10
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/*
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* tonga (pci bridge)
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*/
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#define EN_TONGA 0x60 /* PCI config addr of tonga reg */
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#define TONGA_SWAP_DMA 0x80 /* endian swap control */
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#define TONGA_SWAP_BYTE 0x40
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#define TONGA_SWAP_WORD 0x20
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/*
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* prototypes
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*/
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static int en_pci_match __P((struct device *, void *, void *));
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static void en_pci_attach __P((struct device *, struct device *, void *));
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/*
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* PCI autoconfig attachments
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*/
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struct cfattach en_pci_ca = {
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sizeof(struct en_pci_softc), en_pci_match, en_pci_attach,
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};
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/***********************************************************************/
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/*
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* autoconfig stuff
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*/
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static int en_pci_match(parent, match, aux)
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struct device *parent;
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void *match;
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void *aux;
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{
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struct pci_attach_args *pa = (struct pci_attach_args *) aux;
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if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_EFFICIENTNETS)
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return 0;
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if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_EFFICIENTNETS_ENI155P)
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return 1;
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return 0;
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}
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static void en_pci_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct en_softc *sc = (void *)self;
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struct en_pci_softc *scp = (void *)self;
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struct pci_attach_args *pa = aux;
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bus_mem_addr_t membase;
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pci_intr_handle_t ih;
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const char *intrstr;
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int retval;
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printf("\n");
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sc->en_bc = pa->pa_bc;
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scp->en_pc = pa->pa_pc;
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/*
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* interrupt map
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*/
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if (pci_intr_map(scp->en_pc, pa->pa_intrtag, pa->pa_intrpin,
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pa->pa_intrline, &ih)) {
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printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
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return;
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}
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intrstr = pci_intr_string(scp->en_pc, ih);
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scp->sc_ih = pci_intr_establish(scp->en_pc, ih, IPL_NET, en_intr, sc);
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if (scp->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt\n", sc->sc_dev.dv_xname);
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if (intrstr != NULL)
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printf(" at %s", intrstr);
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printf("\n");
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return;
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}
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printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
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sc->ipl = 1; /* XXX */
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/*
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* memory map
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*/
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retval = pci_mem_find(scp->en_pc, pa->pa_tag, PCI_CBMA,
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&membase, &sc->en_obmemsz, NULL);
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if (retval == 0)
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retval = bus_mem_map(sc->en_bc, membase, sc->en_obmemsz, 0, &sc->en_base);
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if (retval) {
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printf("%s: couldn't map memory\n", sc->sc_dev.dv_xname);
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return;
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}
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/*
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* set up swapping
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*/
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pci_conf_write(scp->en_pc, pa->pa_tag, EN_TONGA,
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(TONGA_SWAP_DMA|TONGA_SWAP_WORD));
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/*
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* done PCI specific stuff
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*/
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en_attach(sc);
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}
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