2000-05-01 19:08:50 +04:00
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/* $NetBSD: if_rl_cardbus.c,v 1.8 2000/05/01 15:08:50 tsutsui Exp $ */
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2000-04-10 11:42:55 +04:00
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/*
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* Copyright (c) 2000 Masanori Kanaoka
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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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2000-04-28 07:48:56 +04:00
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* 3. 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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2000-04-10 11:42:55 +04:00
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*
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2000-04-28 07:48:56 +04:00
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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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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2000-04-10 11:42:55 +04:00
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*/
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/*
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* if_rl_cardbus.c:
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* Cardbus specific routines for RealTek 8139 ethernet adapter.
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* Tested for
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* - elecom-Laneed LD-10/100CBA (Accton MPX5030)
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* - MELCO LPC3-TX-CB (RealTek 8138)
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*/
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#include "opt_inet.h"
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#include "opt_ns.h"
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#include "bpfilter.h"
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#include "rnd.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/callout.h>
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#include <sys/device.h>
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#include <sys/sockio.h>
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#include <sys/mbuf.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_ether.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/if_inarp.h>
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#endif
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#ifdef NS
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#include <netns/ns.h>
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#include <netns/ns_if.h>
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#endif
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#if NBPFILTER > 0
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#include <net/bpf.h>
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#endif
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#if NRND > 0
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#include <sys/rnd.h>
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#endif
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#include <machine/bus.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/cardbus/cardbusvar.h>
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#include <dev/cardbus/cardbusdevs.h>
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#include <dev/mii/mii.h>
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#include <dev/mii/miivar.h>
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/*
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* Default to using PIO access for this driver. On SMP systems,
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* there appear to be problems with memory mapped mode: it looks like
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* doing too many memory mapped access back to back in rapid succession
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* can hang the bus. I'm inclined to blame this on crummy design/construction
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* on the part of RealTek. Memory mapped mode does appear to work on
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* uniprocessor systems though.
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*/
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#define RL_USEIOSPACE
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#include <dev/ic/rtl81x9reg.h>
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2000-04-26 18:02:34 +04:00
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#include <dev/ic/rtl81x9var.h>
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2000-04-10 11:42:55 +04:00
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/*
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* Various supported device vendors/types and their names.
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*/
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static struct rl_type rl_cardbus_devs[] = {
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{ CARDBUS_VENDOR_ACCTON, CARDBUS_PRODUCT_ACCTON_MPX5030,
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"Accton MPX 5030/5038 10/100BaseTX" },
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{ CARDBUS_VENDOR_REALTEK, CARDBUS_PRODUCT_REALTEK_RT8138,
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"RealTek 8138 10/100BaseTX" },
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{ 0, 0, NULL }
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};
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const struct rl_type *rl_cardbus_lookup
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__P((const struct cardbus_attach_args *));
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static int rl_cardbus_match __P((struct device *, struct cfdata *, void *));
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static void rl_cardbus_attach __P((struct device *, struct device *, void *));
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struct rl_cardbus_softc {
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struct rl_softc sc_rl; /* real rl softc */
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/* CardBus-specific goo. */
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void *sc_ih;
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cardbus_devfunc_t sc_ct;
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cardbustag_t sc_tag;
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int sc_csr;
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int sc_cben;
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int sc_bar_reg;
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pcireg_t sc_bar_val;
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bus_size_t sc_mapsize;
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int sc_intrline;
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};
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2000-04-19 12:44:31 +04:00
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struct cfattach rtk_cardbus_ca = {
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2000-04-10 11:42:55 +04:00
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sizeof(struct rl_cardbus_softc), rl_cardbus_match, rl_cardbus_attach,
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};
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const struct rl_type *
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rl_cardbus_lookup(ca)
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const struct cardbus_attach_args *ca;
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{
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struct rl_type *t;
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for (t = rl_cardbus_devs; t->rl_name != NULL; t++){
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2000-05-01 19:08:50 +04:00
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if (CARDBUS_VENDOR(ca->ca_id) == t->rl_vid &&
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CARDBUS_PRODUCT(ca->ca_id) == t->rl_did) {
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2000-04-10 11:42:55 +04:00
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return (t);
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}
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}
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return (NULL);
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}
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int
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rl_cardbus_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct cardbus_attach_args *ca = aux;
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if (rl_cardbus_lookup(ca) != NULL)
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return (1);
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return (0);
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}
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void
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rl_cardbus_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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2000-05-01 19:08:50 +04:00
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int s, pmreg;
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2000-04-30 16:00:40 +04:00
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pcireg_t command;
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2000-04-10 11:42:55 +04:00
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struct rl_cardbus_softc *csc = (struct rl_cardbus_softc *)self;
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struct rl_softc *sc = &csc->sc_rl;
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struct cardbus_attach_args *ca = aux;
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cardbus_devfunc_t ct = ca->ca_ct;
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cardbus_chipset_tag_t cc = ct->ct_cc;
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cardbus_function_tag_t cf = ct->ct_cf;
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const struct rl_type *t;
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bus_addr_t adr;
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pcireg_t reg;
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sc->sc_dmat = ca->ca_dmat;
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csc->sc_ct = ct;
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csc->sc_tag = ca->ca_tag;
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csc->sc_intrline = ca->ca_intrline;
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t = rl_cardbus_lookup(ca);
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if (t == NULL) {
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printf("\n");
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panic("rl_cardbus_attach: impossible");
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}
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printf(": %s\n", t->rl_name);
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s = splimp();
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/*
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* Handle power management nonsense.
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*/
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2000-05-01 19:08:50 +04:00
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if (cardbus_get_capability(cc, cf, csc->sc_tag,
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PCI_CAP_PWRMGMT, &pmreg, 0)) {
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2000-04-24 19:25:00 +04:00
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command = cardbus_conf_read(cc, cf, csc->sc_tag, pmreg + 4);
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2000-04-10 11:42:55 +04:00
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if (command & RL_PSTATE_MASK) {
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2000-04-24 19:25:00 +04:00
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pcireg_t iobase, membase, irq;
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2000-04-10 11:42:55 +04:00
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/* Save important PCI config data. */
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2000-05-01 19:08:50 +04:00
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iobase = cardbus_conf_read(cc, cf, csc->sc_tag,
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RL_PCI_LOIO);
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membase = cardbus_conf_read(cc, cf,csc->sc_tag,
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RL_PCI_LOMEM);
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irq = cardbus_conf_read(cc, cf,csc->sc_tag,
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PCI_PRODUCT_DELTA_8139);
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2000-04-10 11:42:55 +04:00
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/* Reset the power state. */
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printf("%s: chip is is in D%d power mode "
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2000-05-01 19:08:50 +04:00
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"-- setting to D0\n", sc->sc_dev.dv_xname,
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command & RL_PSTATE_MASK);
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2000-04-10 11:42:55 +04:00
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command &= 0xFFFFFFFC;
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2000-05-01 19:08:50 +04:00
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cardbus_conf_write(cc, cf, csc->sc_tag,
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pmreg + 4, command);
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2000-04-10 11:42:55 +04:00
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/* Restore PCI config data. */
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2000-05-01 19:08:50 +04:00
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cardbus_conf_write(cc, cf, csc->sc_tag,
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RL_PCI_LOIO, iobase);
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cardbus_conf_write(cc, cf, csc->sc_tag,
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RL_PCI_LOMEM, membase);
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cardbus_conf_write(cc, cf, csc->sc_tag,
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PCI_PRODUCT_DELTA_8139, irq);
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2000-04-10 11:42:55 +04:00
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}
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}
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/*
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* Map control/status registers.
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*/
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#ifdef RL_USEIOSPACE
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2000-05-01 19:08:50 +04:00
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if (Cardbus_mapreg_map(ct, RL_PCI_LOIO, CARDBUS_MAPREG_TYPE_IO, 0,
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2000-04-10 11:42:55 +04:00
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&sc->rl_btag, &sc->rl_bhandle, &adr, &csc->sc_mapsize) == 0) {
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#if rbus
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#else
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2000-05-01 19:08:50 +04:00
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(*ct->ct_cf->cardbus_io_open)(cc, 0, adr, adr+csc->sc_mapsize);
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2000-04-10 11:42:55 +04:00
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#endif
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csc->sc_cben = CARDBUS_IO_ENABLE;
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2000-05-01 19:08:50 +04:00
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csc->sc_csr |=
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(CARDBUS_COMMAND_IO_ENABLE|CARDBUS_COMMAND_MASTER_ENABLE);
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2000-04-10 11:42:55 +04:00
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csc->sc_bar_reg = RL_PCI_LOIO;
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2000-05-01 19:08:50 +04:00
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csc->sc_bar_val = adr | CARDBUS_MAPREG_TYPE_IO;
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2000-04-10 11:42:55 +04:00
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}
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#else
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2000-05-01 19:08:50 +04:00
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if (Cardbus_mapreg_map(ct, RL_PCI_LOMEM, CARDBUS_MAPREG_TYPE_MEM, 0,
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2000-04-10 11:42:55 +04:00
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&sc->rl_btag, &sc->rl_bhandle, &adr, &csc->sc_mapsize) == 0) {
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#if rbus
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#else
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2000-05-01 19:08:50 +04:00
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(*ct->ct_cf->cardbus_mem_open)(cc, 0, adr, adr+csc->sc_mapsize);
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2000-04-10 11:42:55 +04:00
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#endif
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csc->sc_cben = CARDBUS_MEM_ENABLE;
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2000-05-01 19:08:50 +04:00
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csc->sc_csr |=
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(CARDBUS_COMMAND_MEM_ENABLE|CARDBUS_COMMAND_MASTER_ENABLE);
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2000-04-10 11:42:55 +04:00
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csc->sc_bar_reg = RL_PCI_LOMEM;
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2000-05-01 19:08:50 +04:00
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csc->sc_bar_val = adr | CARDBUS_MAPREG_TYPE_MEM;
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2000-04-10 11:42:55 +04:00
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}
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#endif
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else {
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2000-05-01 19:08:50 +04:00
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printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
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2000-04-10 11:42:55 +04:00
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goto fail;
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}
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/* Make sure the right access type is on the CardBus bridge. */
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2000-05-01 19:08:50 +04:00
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(*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cben);
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(*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
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2000-04-10 11:42:55 +04:00
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/* Program the BAR */
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cardbus_conf_write(cc, cf, csc->sc_tag,
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csc->sc_bar_reg, csc->sc_bar_val);
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2000-05-01 19:08:50 +04:00
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/* Enable the appropriate bits in the CARDBUS CSR. */
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reg = cardbus_conf_read(cc, cf, csc->sc_tag,
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CARDBUS_COMMAND_STATUS_REG);
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reg &= ~(CARDBUS_COMMAND_IO_ENABLE|CARDBUS_COMMAND_MEM_ENABLE);
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2000-04-10 11:42:55 +04:00
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reg |= csc->sc_csr;
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2000-05-01 19:08:50 +04:00
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cardbus_conf_write(cc, cf, csc->sc_tag,
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CARDBUS_COMMAND_STATUS_REG, reg);
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2000-04-10 11:42:55 +04:00
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/*
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* Make sure the latency timer is set to some reasonable
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* value.
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*/
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2000-05-01 19:08:50 +04:00
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reg = cardbus_conf_read(cc, cf, csc->sc_tag, CARDBUS_BHLC_REG);
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if (CARDBUS_LATTIMER(reg) < 0x20) {
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reg &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT);
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reg |= (0x20 << CARDBUS_LATTIMER_SHIFT);
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cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_BHLC_REG, reg);
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2000-04-10 11:42:55 +04:00
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}
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if (t->rl_did == CARDBUS_PRODUCT_ACCTON_MPX5030 ||
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t->rl_did == CARDBUS_PRODUCT_REALTEK_RT8138){
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sc->rl_type = RL_8139;
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} else {
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2000-05-01 19:08:50 +04:00
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printf("%s: unknown device ID: 0x%x\n",
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sc->sc_dev.dv_xname, t->rl_did);
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2000-04-10 11:42:55 +04:00
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goto fail;
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}
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/* Allocate interrupt */
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2000-05-01 19:08:50 +04:00
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printf("%s: interrupting at %d\n",
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sc->sc_dev.dv_xname, csc->sc_intrline);
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2000-04-10 11:42:55 +04:00
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csc->sc_ih = cardbus_intr_establish(cc, cf, csc->sc_intrline, IPL_NET,
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2000-05-01 19:08:50 +04:00
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rl_intr, sc);
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2000-04-10 11:42:55 +04:00
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if (csc->sc_ih == NULL) {
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|
printf("%s: unable to establish interrupt at %d\n",
|
2000-05-01 19:08:50 +04:00
|
|
|
sc->sc_dev.dv_xname, csc->sc_intrline);
|
2000-04-10 11:42:55 +04:00
|
|
|
printf("\n");
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
2000-05-01 19:08:50 +04:00
|
|
|
rl_attach(sc);
|
2000-04-10 11:42:55 +04:00
|
|
|
|
|
|
|
fail:
|
|
|
|
splx(s);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|