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NetBSD/sys/dev/pci/if_tlp_pci.c

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/* $NetBSD: if_tlp_pci.c,v 1.40 2000/06/25 18:49:22 sommerfeld Exp $ */
/*-
* Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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 NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 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.
*/
/*
* PCI bus front-end for the Digital Semiconductor ``Tulip'' (21x4x)
* Ethernet controller family driver.
*/
#include "opt_inet.h"
#include "opt_ns.h"
#include "bpfilter.h"
#include "opt_tlp.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <machine/endian.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_ether.h>
#if NBPFILTER > 0
#include <net/bpf.h>
#endif
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_inarp.h>
#endif
#ifdef NS
#include <netns/ns.h>
#include <netns/ns_if.h>
#endif
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/mii/miivar.h>
#include <dev/mii/mii_bitbang.h>
#include <dev/ic/tulipreg.h>
#include <dev/ic/tulipvar.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
/*
* PCI configuration space registers used by the Tulip.
*/
#define TULIP_PCI_IOBA 0x10 /* i/o mapped base */
#define TULIP_PCI_MMBA 0x14 /* memory mapped base */
#define TULIP_PCI_CFDA 0x40 /* configuration driver area */
#define CFDA_SLEEP 0x80000000 /* sleep mode */
#define CFDA_SNOOZE 0x40000000 /* snooze mode */
struct tulip_pci_softc {
struct tulip_softc sc_tulip; /* real Tulip softc */
/* PCI-specific goo. */
void *sc_ih; /* interrupt handle */
pci_chipset_tag_t sc_pc; /* our PCI chipset */
pcitag_t sc_pcitag; /* our PCI tag */
int sc_flags; /* flags; see below */
LIST_HEAD(, tulip_pci_softc) sc_intrslaves;
LIST_ENTRY(tulip_pci_softc) sc_intrq;
/* Our {ROM,interrupt} master. */
struct tulip_pci_softc *sc_master;
};
/* sc_flags */
#define TULIP_PCI_SHAREDINTR 0x01 /* interrupt is shared */
#define TULIP_PCI_SLAVEINTR 0x02 /* interrupt is slave */
#define TULIP_PCI_SHAREDROM 0x04 /* ROM is shared */
#define TULIP_PCI_SLAVEROM 0x08 /* slave of shared ROM */
int tlp_pci_match __P((struct device *, struct cfdata *, void *));
void tlp_pci_attach __P((struct device *, struct device *, void *));
struct cfattach tlp_pci_ca = {
sizeof(struct tulip_pci_softc), tlp_pci_match, tlp_pci_attach,
};
const struct tulip_pci_product {
u_int32_t tpp_vendor; /* PCI vendor ID */
u_int32_t tpp_product; /* PCI product ID */
tulip_chip_t tpp_chip; /* base Tulip chip type */
} tlp_pci_products[] = {
#ifdef TLP_MATCH_21040
{ PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21040,
TULIP_CHIP_21040 },
#endif
#ifdef TLP_MATCH_21041
{ PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21041,
TULIP_CHIP_21041 },
#endif
#ifdef TLP_MATCH_21140
{ PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21140,
TULIP_CHIP_21140 },
#endif
#ifdef TLP_MATCH_21142
{ PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21142,
TULIP_CHIP_21142 },
#endif
{ PCI_VENDOR_LITEON, PCI_PRODUCT_LITEON_82C168,
TULIP_CHIP_82C168 },
/*
* Note: This is like a MX98725 with Wake-On-LAN and a
* 128-bit multicast hash table.
*/
{ PCI_VENDOR_LITEON, PCI_PRODUCT_LITEON_82C115,
TULIP_CHIP_82C115 },
{ PCI_VENDOR_MACRONIX, PCI_PRODUCT_MACRONIX_MX98713,
TULIP_CHIP_MX98713 },
{ PCI_VENDOR_MACRONIX, PCI_PRODUCT_MACRONIX_MX987x5,
TULIP_CHIP_MX98715 },
{ PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_RL100TX,
TULIP_CHIP_MX98713 },
{ PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C840F,
TULIP_CHIP_WB89C840F },
{ PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_RL100ATX,
TULIP_CHIP_WB89C840F },
{ PCI_VENDOR_DAVICOM, PCI_PRODUCT_DAVICOM_DM9102,
TULIP_CHIP_DM9102 },
{ PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AL981,
TULIP_CHIP_AL981 },
#if 0
{ PCI_VENDOR_ASIX, PCI_PRODUCT_ASIX_AX88140A,
TULIP_CHIP_AX88140 },
#endif
{ 0, 0,
TULIP_CHIP_INVALID },
};
struct tlp_pci_quirks {
void (*tpq_func) __P((struct tulip_pci_softc *,
const u_int8_t *));
u_int8_t tpq_oui[3];
};
void tlp_pci_dec_quirks __P((struct tulip_pci_softc *,
const u_int8_t *));
void tlp_pci_znyx_21040_quirks __P((struct tulip_pci_softc *,
const u_int8_t *));
void tlp_pci_smc_21040_quirks __P((struct tulip_pci_softc *,
const u_int8_t *));
void tlp_pci_cogent_21040_quirks __P((struct tulip_pci_softc *,
const u_int8_t *));
void tlp_pci_accton_21040_quirks __P((struct tulip_pci_softc *,
const u_int8_t *));
void tlp_pci_cobalt_21142_quirks __P((struct tulip_pci_softc *,
const u_int8_t *));
const struct tlp_pci_quirks tlp_pci_21040_quirks[] = {
{ tlp_pci_znyx_21040_quirks, { 0x00, 0xc0, 0x95 } },
{ tlp_pci_smc_21040_quirks, { 0x00, 0x00, 0xc0 } },
{ tlp_pci_cogent_21040_quirks, { 0x00, 0x00, 0x92 } },
{ tlp_pci_accton_21040_quirks, { 0x00, 0x00, 0xe8 } },
{ NULL, { 0, 0, 0 } }
};
const struct tlp_pci_quirks tlp_pci_21041_quirks[] = {
{ tlp_pci_dec_quirks, { 0x08, 0x00, 0x2b } },
{ tlp_pci_dec_quirks, { 0x00, 0x00, 0xf8 } },
{ NULL, { 0, 0, 0 } }
};
void tlp_pci_asante_21140_quirks __P((struct tulip_pci_softc *,
const u_int8_t *));
const struct tlp_pci_quirks tlp_pci_21140_quirks[] = {
{ tlp_pci_dec_quirks, { 0x08, 0x00, 0x2b } },
{ tlp_pci_dec_quirks, { 0x00, 0x00, 0xf8 } },
{ tlp_pci_asante_21140_quirks, { 0x00, 0x00, 0x94 } },
{ NULL, { 0, 0, 0 } }
};
const struct tlp_pci_quirks tlp_pci_21142_quirks[] = {
{ tlp_pci_dec_quirks, { 0x08, 0x00, 0x2b } },
{ tlp_pci_dec_quirks, { 0x00, 0x00, 0xf8 } },
{ tlp_pci_cobalt_21142_quirks, { 0x00, 0x10, 0xe0 } },
{ NULL, { 0, 0, 0 } }
};
int tlp_pci_shared_intr __P((void *));
const struct tulip_pci_product *tlp_pci_lookup
__P((const struct pci_attach_args *));
void tlp_pci_get_quirks __P((struct tulip_pci_softc *, const u_int8_t *,
const struct tlp_pci_quirks *));
void tlp_pci_check_slaved __P((struct tulip_pci_softc *, int, int));
const struct tulip_pci_product *
tlp_pci_lookup(pa)
const struct pci_attach_args *pa;
{
const struct tulip_pci_product *tpp;
for (tpp = tlp_pci_products;
tlp_chip_names[tpp->tpp_chip] != NULL;
tpp++) {
if (PCI_VENDOR(pa->pa_id) == tpp->tpp_vendor &&
PCI_PRODUCT(pa->pa_id) == tpp->tpp_product)
return (tpp);
}
return (NULL);
}
void
tlp_pci_get_quirks(psc, enaddr, tpq)
struct tulip_pci_softc *psc;
const u_int8_t *enaddr;
const struct tlp_pci_quirks *tpq;
{
for (; tpq->tpq_func != NULL; tpq++) {
if (tpq->tpq_oui[0] == enaddr[0] &&
tpq->tpq_oui[1] == enaddr[1] &&
tpq->tpq_oui[2] == enaddr[2]) {
(*tpq->tpq_func)(psc, enaddr);
return;
}
}
}
void
tlp_pci_check_slaved(psc, shared, slaved)
struct tulip_pci_softc *psc;
int shared, slaved;
{
extern struct cfdriver tlp_cd;
struct tulip_pci_softc *cur, *best = NULL;
struct tulip_softc *sc = &psc->sc_tulip;
int i;
/*
* First of all, find the lowest pcidev numbered device on our
* bus marked as shared. That should be our master.
*/
for (i = 0; i < tlp_cd.cd_ndevs; i++) {
if ((cur = tlp_cd.cd_devs[i]) == NULL)
continue;
if (cur->sc_tulip.sc_dev.dv_parent != sc->sc_dev.dv_parent)
continue;
if ((cur->sc_flags & shared) == 0)
continue;
if (cur == psc)
continue;
if (best == NULL ||
best->sc_tulip.sc_devno > cur->sc_tulip.sc_devno)
best = cur;
}
if (best != NULL) {
psc->sc_master = best;
psc->sc_flags |= (shared | slaved);
}
}
int
tlp_pci_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pci_attach_args *pa = aux;
if (tlp_pci_lookup(pa) != NULL)
return (10); /* beat if_de.c */
return (0);
}
void
tlp_pci_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct tulip_pci_softc *psc = (void *) self;
struct tulip_softc *sc = &psc->sc_tulip;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
pci_intr_handle_t ih;
const char *intrstr = NULL;
bus_space_tag_t iot, memt;
bus_space_handle_t ioh, memh;
int ioh_valid, memh_valid, i, j;
const struct tulip_pci_product *tpp;
u_int8_t enaddr[ETHER_ADDR_LEN];
u_int32_t val;
pcireg_t reg;
int pmreg;
sc->sc_devno = pa->pa_device;
psc->sc_pc = pa->pa_pc;
psc->sc_pcitag = pa->pa_tag;
LIST_INIT(&psc->sc_intrslaves);
tpp = tlp_pci_lookup(pa);
if (tpp == NULL) {
printf("\n");
panic("tlp_pci_attach: impossible");
}
sc->sc_chip = tpp->tpp_chip;
/*
* By default, Tulip registers are 8 bytes long (4 bytes
* followed by a 4 byte pad).
*/
sc->sc_regshift = 3;
/*
* No power management hooks.
* XXX Maybe we should add some!
*/
sc->sc_flags |= TULIPF_ENABLED;
/*
* Get revision info, and set some chip-specific variables.
*/
sc->sc_rev = PCI_REVISION(pa->pa_class);
switch (sc->sc_chip) {
case TULIP_CHIP_21140:
if (sc->sc_rev >= 0x20)
sc->sc_chip = TULIP_CHIP_21140A;
break;
case TULIP_CHIP_21142:
if (sc->sc_rev >= 0x20)
sc->sc_chip = TULIP_CHIP_21143;
break;
case TULIP_CHIP_82C168:
if (sc->sc_rev >= 0x20)
sc->sc_chip = TULIP_CHIP_82C169;
break;
case TULIP_CHIP_MX98713:
if (sc->sc_rev >= 0x10)
sc->sc_chip = TULIP_CHIP_MX98713A;
break;
case TULIP_CHIP_MX98715:
if (sc->sc_rev >= 0x20)
sc->sc_chip = TULIP_CHIP_MX98715A;
if (sc->sc_rev >= 0x30)
sc->sc_chip = TULIP_CHIP_MX98725;
break;
case TULIP_CHIP_WB89C840F:
sc->sc_regshift = 2;
break;
case TULIP_CHIP_AX88140:
if (sc->sc_rev >= 0x10)
sc->sc_chip = TULIP_CHIP_AX88141;
break;
case TULIP_CHIP_DM9102:
if (sc->sc_rev >= 0x30)
sc->sc_chip = TULIP_CHIP_DM9102A;
break;
default:
/* Nothing. */
}
printf(": %s Ethernet, pass %d.%d\n",
tlp_chip_names[sc->sc_chip],
(sc->sc_rev >> 4) & 0xf, sc->sc_rev & 0xf);
switch (sc->sc_chip) {
case TULIP_CHIP_21040:
if (sc->sc_rev < 0x20) {
printf("%s: 21040 must be at least pass 2.0\n",
sc->sc_dev.dv_xname);
return;
}
break;
case TULIP_CHIP_21140:
if (sc->sc_rev < 0x11) {
printf("%s: 21140 must be at least pass 1.1\n",
sc->sc_dev.dv_xname);
return;
}
break;
default:
/* Nothing. */
}
/*
* Check to see if the device is in power-save mode, and
* being it out if necessary.
*/
switch (sc->sc_chip) {
case TULIP_CHIP_21140:
case TULIP_CHIP_21140A:
case TULIP_CHIP_21142:
case TULIP_CHIP_21143:
case TULIP_CHIP_MX98713A:
case TULIP_CHIP_MX98715:
case TULIP_CHIP_MX98715A:
case TULIP_CHIP_MX98725:
case TULIP_CHIP_DM9102:
case TULIP_CHIP_DM9102A:
/*
* Clear the "sleep mode" bit in the CFDA register.
*/
reg = pci_conf_read(pc, pa->pa_tag, TULIP_PCI_CFDA);
if (reg & (CFDA_SLEEP|CFDA_SNOOZE))
pci_conf_write(pc, pa->pa_tag, TULIP_PCI_CFDA,
reg & ~(CFDA_SLEEP|CFDA_SNOOZE));
break;
default:
/* Nothing. */
}
if (pci_get_capability(pc, pa->pa_tag, PCI_CAP_PWRMGMT, &pmreg, 0)) {
reg = pci_conf_read(pc, pa->pa_tag, pmreg + 4) & 0x3;
if (reg == 3) {
/*
* The card has lost all configuration data in
* this state, so punt.
*/
printf("%s: unable to wake up from power state D3\n",
sc->sc_dev.dv_xname);
return;
}
if (reg != 0) {
printf("%s: waking up from power state D%d\n",
sc->sc_dev.dv_xname, reg);
pci_conf_write(pc, pa->pa_tag, pmreg + 4, 0);
}
}
/*
* Map the device.
*/
ioh_valid = (pci_mapreg_map(pa, TULIP_PCI_IOBA,
PCI_MAPREG_TYPE_IO, 0,
&iot, &ioh, NULL, NULL) == 0);
memh_valid = (pci_mapreg_map(pa, TULIP_PCI_MMBA,
PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
&memt, &memh, NULL, NULL) == 0);
if (memh_valid) {
sc->sc_st = memt;
sc->sc_sh = memh;
} else if (ioh_valid) {
sc->sc_st = iot;
sc->sc_sh = ioh;
} else {
printf(": unable to map device registers\n");
return;
}
sc->sc_dmat = pa->pa_dmat;
/*
* Make sure bus mastering is enabled.
*/
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
PCI_COMMAND_MASTER_ENABLE);
/*
* Get the cacheline size.
*/
sc->sc_cacheline = PCI_CACHELINE(pci_conf_read(pc, pa->pa_tag,
PCI_BHLC_REG));
/*
* Get PCI data moving command info.
*/
if (pa->pa_flags & PCI_FLAGS_MRL_OKAY)
sc->sc_flags |= TULIPF_MRL;
if (pa->pa_flags & PCI_FLAGS_MRM_OKAY)
sc->sc_flags |= TULIPF_MRM;
if (pa->pa_flags & PCI_FLAGS_MWI_OKAY)
sc->sc_flags |= TULIPF_MWI;
/*
* Read the contents of the Ethernet Address ROM/SROM.
*/
switch (sc->sc_chip) {
case TULIP_CHIP_21040:
sc->sc_srom_addrbits = 6;
sc->sc_srom = malloc(TULIP_ROM_SIZE(6), M_DEVBUF, M_NOWAIT);
TULIP_WRITE(sc, CSR_MIIROM, MIIROM_SROMCS);
for (i = 0; i < TULIP_ROM_SIZE(6); i++) {
for (j = 0; j < 10000; j++) {
val = TULIP_READ(sc, CSR_MIIROM);
if ((val & MIIROM_DN) == 0)
break;
}
sc->sc_srom[i] = val & MIIROM_DATA;
}
break;
case TULIP_CHIP_82C168:
case TULIP_CHIP_82C169:
{
sc->sc_srom_addrbits = 2;
sc->sc_srom = malloc(TULIP_ROM_SIZE(2), M_DEVBUF, M_NOWAIT);
/*
* The Lite-On PNIC stores the Ethernet address in
* the first 3 words of the EEPROM. EEPROM access
* is not like the other Tulip chips.
*/
for (i = 0; i < 6; i += 2) {
TULIP_WRITE(sc, CSR_PNIC_SROMCTL,
PNIC_SROMCTL_READ | (i >> 1));
for (j = 0; j < 500; j++) {
delay(2);
val = TULIP_READ(sc, CSR_MIIROM);
if ((val & PNIC_MIIROM_BUSY) == 0)
break;
}
if (val & PNIC_MIIROM_BUSY) {
printf("%s: EEPROM timed out\n",
sc->sc_dev.dv_xname);
return;
}
val &= PNIC_MIIROM_DATA;
sc->sc_srom[i] = val >> 8;
sc->sc_srom[i + 1] = val & 0xff;
}
break;
}
default:
if (tlp_read_srom(sc) == 0)
goto cant_cope;
break;
}
/*
* Deal with chip/board quirks. This includes setting up
* the mediasw, and extracting the Ethernet address from
* the rombuf.
*/
switch (sc->sc_chip) {
case TULIP_CHIP_21040:
/* Check for a slaved ROM on a multi-port board. */
tlp_pci_check_slaved(psc, TULIP_PCI_SHAREDROM,
TULIP_PCI_SLAVEROM);
if (psc->sc_flags & TULIP_PCI_SLAVEROM)
memcpy(sc->sc_srom, psc->sc_master->sc_tulip.sc_srom,
sizeof(sc->sc_srom));
/*
* Parse the Ethernet Address ROM.
*/
if (tlp_parse_old_srom(sc, enaddr) == 0)
goto cant_cope;
/*
* If we have a slaved ROM, adjust the Ethernet address.
*/
if (psc->sc_flags & TULIP_PCI_SLAVEROM)
enaddr[5] +=
sc->sc_devno - psc->sc_master->sc_tulip.sc_devno;
/*
* All 21040 boards start out with the same
* media switch.
*/
sc->sc_mediasw = &tlp_21040_mediasw;
/*
* Deal with any quirks this board might have.
*/
tlp_pci_get_quirks(psc, enaddr, tlp_pci_21040_quirks);
break;
case TULIP_CHIP_21041:
/* Check for a slaved ROM on a multi-port board. */
tlp_pci_check_slaved(psc, TULIP_PCI_SHAREDROM,
TULIP_PCI_SLAVEROM);
if (psc->sc_flags & TULIP_PCI_SLAVEROM)
memcpy(sc->sc_srom, psc->sc_master->sc_tulip.sc_srom,
sizeof(sc->sc_srom));
/* Check for new format SROM. */
if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
/*
* Not an ISV SROM; try the old DEC Ethernet Address
* ROM format.
*/
if (tlp_parse_old_srom(sc, enaddr) == 0)
goto cant_cope;
}
/*
* All 21041 boards use the same media switch; they all
* work basically the same! Yippee!
*/
sc->sc_mediasw = &tlp_21041_mediasw;
/*
* Deal with any quirks this board might have.
*/
tlp_pci_get_quirks(psc, enaddr, tlp_pci_21041_quirks);
break;
case TULIP_CHIP_21140:
case TULIP_CHIP_21140A:
/* Check for new format SROM. */
if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
/*
* Not an ISV SROM; try the old DEC Ethernet Address
* ROM format.
*/
if (tlp_parse_old_srom(sc, enaddr) == 0)
goto cant_cope;
} else {
/*
* We start out with the 2114x ISV media switch.
* When we search for quirks, we may change to
* a different switch.
*/
sc->sc_mediasw = &tlp_2114x_isv_mediasw;
}
/*
* Deal with any quirks this board might have.
*/
tlp_pci_get_quirks(psc, enaddr, tlp_pci_21140_quirks);
/*
* Bail out now if we can't deal with this board.
*/
if (sc->sc_mediasw == NULL)
goto cant_cope;
break;
case TULIP_CHIP_21142:
case TULIP_CHIP_21143:
/* Check for new format SROM. */
if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
/*
* Not an ISV SROM; try the old DEC Ethernet Address
* ROM format.
*/
if (tlp_parse_old_srom(sc, enaddr) == 0)
goto cant_cope;
} else {
/*
* We start out with the 2114x ISV media switch.
* When we search for quirks, we may change to
* a different switch.
*/
sc->sc_mediasw = &tlp_2114x_isv_mediasw;
}
/*
* Deal with any quirks this board might have.
*/
tlp_pci_get_quirks(psc, enaddr, tlp_pci_21142_quirks);
/*
* Bail out now if we can't deal with this board.
*/
if (sc->sc_mediasw == NULL)
goto cant_cope;
break;
case TULIP_CHIP_82C168:
case TULIP_CHIP_82C169:
/*
* Lite-On PNIC's Ethernet address is the first 6
* bytes of its EEPROM.
*/
memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
/*
* Lite-On PNICs always use the same mediasw; we
* select MII vs. internal NWAY automatically.
*/
sc->sc_mediasw = &tlp_pnic_mediasw;
break;
case TULIP_CHIP_MX98713:
/*
* The Macronix MX98713 has an MII and GPIO, but no
* internal Nway block. This chip is basically a
* perfect 21140A clone, with the exception of the
* a magic register frobbing in order to make the
* interface function.
*/
if (tlp_isv_srom_enaddr(sc, enaddr)) {
sc->sc_mediasw = &tlp_2114x_isv_mediasw;
break;
}
/* FALLTHROUGH */
case TULIP_CHIP_82C115:
/*
* Yippee! The Lite-On 82C115 is a clone of
* the MX98725 (the data sheet even says `MXIC'
* on it)! Imagine that, a clone of a clone.
*
* The differences are really minimal:
*
* - Wake-On-LAN support
* - 128-bit multicast hash table, rather than
* the standard 512-bit hash table
*/
/* FALLTHROUGH */
case TULIP_CHIP_MX98713A:
case TULIP_CHIP_MX98715A:
case TULIP_CHIP_MX98725:
/*
* The MX98713A has an MII as well as an internal Nway block,
* but no GPIO. The MX98715 and MX98725 have an internal
* Nway block only.
*
* The internal Nway block, unlike the Lite-On PNIC's, does
* just that - performs Nway. Once autonegotiation completes,
* we must program the GPR media information into the chip.
*
* The byte offset of the Ethernet address is stored at
* offset 0x70.
*/
memcpy(enaddr, &sc->sc_srom[sc->sc_srom[0x70]], ETHER_ADDR_LEN);
sc->sc_mediasw = &tlp_pmac_mediasw;
break;
case TULIP_CHIP_WB89C840F:
/*
* Winbond 89C840F's Ethernet address is the first
* 6 bytes of its EEPROM.
*/
memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
/*
* Winbond 89C840F has an MII attached to the SIO.
*/
sc->sc_mediasw = &tlp_sio_mii_mediasw;
break;
case TULIP_CHIP_AL981:
/*
* The ADMtek AL981's Ethernet address is located
* at offset 8 of its EEPROM.
*/
memcpy(enaddr, &sc->sc_srom[8], ETHER_ADDR_LEN);
/*
* ADMtek AL981 has a built-in PHY accessed through
* special registers.
*/
sc->sc_mediasw = &tlp_al981_mediasw;
break;
case TULIP_CHIP_DM9102:
case TULIP_CHIP_DM9102A:
/*
* Some boards with the Davicom chip have an ISV
* SROM (mostly DM9102A boards -- trying to describe
* the HomePNA PHY, probably) although the data in
* them is generally wrong. Check for ISV format
* and grab the Ethernet address that way, and if
* that fails, fall back on grabbing it from an
* observed offset of 20 (which is where it would
* be in an ISV SROM anyhow, tho ISV can cope with
* multi-port boards).
*/
if (tlp_isv_srom_enaddr(sc, enaddr))
memcpy(enaddr, &sc->sc_srom[20], ETHER_ADDR_LEN);
/*
* Davicom chips all have an internal MII interface
* and a built-in PHY. DM9102A also has a an external
* MII interface, usually with a HomePNA PHY attached
* to it.
*/
sc->sc_mediasw = &tlp_dm9102_mediasw;
break;
default:
cant_cope:
printf("%s: sorry, unable to handle your board\n",
sc->sc_dev.dv_xname);
return;
}
/*
* Handle shared interrupts.
*/
if (psc->sc_flags & TULIP_PCI_SHAREDINTR) {
if (psc->sc_master)
psc->sc_flags |= TULIP_PCI_SLAVEINTR;
else {
tlp_pci_check_slaved(psc, TULIP_PCI_SHAREDINTR,
TULIP_PCI_SLAVEINTR);
if (psc->sc_master == NULL)
psc->sc_master = psc;
}
LIST_INSERT_HEAD(&psc->sc_master->sc_intrslaves,
psc, sc_intrq);
}
if (psc->sc_flags & TULIP_PCI_SLAVEINTR) {
printf("%s: sharing interrupt with %s\n",
sc->sc_dev.dv_xname,
psc->sc_master->sc_tulip.sc_dev.dv_xname);
} else {
/*
* Map and establish our interrupt.
*/
if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
pa->pa_intrline, &ih)) {
printf("%s: unable to map interrupt\n",
sc->sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pc, ih);
psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET,
(psc->sc_flags & TULIP_PCI_SHAREDINTR) ?
tlp_pci_shared_intr : tlp_intr, sc);
if (psc->sc_ih == NULL) {
printf("%s: unable to 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);
}
/*
* Finish off the attach.
*/
tlp_attach(sc, enaddr);
}
int
tlp_pci_shared_intr(arg)
void *arg;
{
struct tulip_pci_softc *master = arg, *slave;
int rv = 0;
for (slave = LIST_FIRST(&master->sc_intrslaves);
slave != NULL;
slave = LIST_NEXT(slave, sc_intrq))
rv |= tlp_intr(&slave->sc_tulip);
return (rv);
}
void
tlp_pci_dec_quirks(psc, enaddr)
struct tulip_pci_softc *psc;
const u_int8_t *enaddr;
{
struct tulip_softc *sc = &psc->sc_tulip;
/*
* This isn't really a quirk-gathering device, really. We
* just want to get the spiffy DEC board name from the SROM.
*/
strcpy(sc->sc_name, "DEC ");
if (memcmp(&sc->sc_srom[29], "DE500", 5) == 0 ||
memcmp(&sc->sc_srom[29], "DE450", 5) == 0)
memcpy(&sc->sc_name[4], &sc->sc_srom[29], 8);
}
void
tlp_pci_znyx_21040_quirks(psc, enaddr)
struct tulip_pci_softc *psc;
const u_int8_t *enaddr;
{
struct tulip_softc *sc = &psc->sc_tulip;
u_int16_t id = 0;
/*
* If we have a slaved ROM, just copy the bits from the master.
* This is in case we fail the ROM ID check (older boards) and
* need to fall back on Ethernet address model checking; that
* will fail for slave chips.
*/
if (psc->sc_flags & TULIP_PCI_SLAVEROM) {
strcpy(sc->sc_name, psc->sc_master->sc_tulip.sc_name);
sc->sc_mediasw = psc->sc_master->sc_tulip.sc_mediasw;
psc->sc_flags |=
psc->sc_master->sc_flags & TULIP_PCI_SHAREDINTR;
return;
}
if (sc->sc_srom[32] == 0x4a && sc->sc_srom[33] == 0x52) {
id = sc->sc_srom[37] | (sc->sc_srom[36] << 8);
switch (id) {
zx312:
case 0x0602: /* ZX312 */
strcpy(sc->sc_name, "ZNYX ZX312");
return;
case 0x0622: /* ZX312T */
strcpy(sc->sc_name, "ZNYX ZX312T");
sc->sc_mediasw = &tlp_21040_tp_mediasw;
return;
zx314_inta:
case 0x0701: /* ZX314 INTA */
psc->sc_flags |= TULIP_PCI_SHAREDINTR;
/* FALLTHROUGH */
case 0x0711: /* ZX314 */
strcpy(sc->sc_name, "ZNYX ZX314");
psc->sc_flags |= TULIP_PCI_SHAREDROM;
sc->sc_mediasw = &tlp_21040_tp_mediasw;
return;
zx315_inta:
case 0x0801: /* ZX315 INTA */
psc->sc_flags |= TULIP_PCI_SHAREDINTR;
/* FALLTHROUGH */
case 0x0811: /* ZX315 */
strcpy(sc->sc_name, "ZNYX ZX315");
psc->sc_flags |= TULIP_PCI_SHAREDROM;
return;
default:
id = 0;
}
}
/*
* Deal with boards that have broken ROMs.
*/
if (id == 0) {
if ((enaddr[3] & ~3) == 0xf0 && (enaddr[5] & 3) == 0x00)
goto zx314_inta;
if ((enaddr[3] & ~3) == 0xf4 && (enaddr[5] & 1) == 0x00)
goto zx315_inta;
if ((enaddr[3] & ~3) == 0xec)
goto zx312;
}
strcpy(sc->sc_name, "ZNYX ZX31x");
}
void
tlp_pci_smc_21040_quirks(psc, enaddr)
struct tulip_pci_softc *psc;
const u_int8_t *enaddr;
{
struct tulip_softc *sc = &psc->sc_tulip;
u_int16_t id1, id2, ei;
int auibnc = 0, utp = 0;
char *cp;
id1 = sc->sc_srom[0x60] | (sc->sc_srom[0x61] << 8);
id2 = sc->sc_srom[0x62] | (sc->sc_srom[0x63] << 8);
ei = sc->sc_srom[0x66] | (sc->sc_srom[0x67] << 8);
strcpy(sc->sc_name, "SMC 8432");
cp = &sc->sc_name[8];
if ((id1 & 1) == 0) {
*cp++ = 'B';
auibnc = 1;
}
if ((id1 & 0xff) > 0x32) {
*cp++ = 'T';
utp = 1;
}
if ((id1 & 0x4000) == 0) {
*cp++ = 'A';
auibnc = 1;
}
if (id2 == 0x15) {
sc->sc_name[7] = '4';
*cp++ = '-';
*cp++ = 'C';
*cp++ = 'H';
*cp++ = ei ? '2' : '1';
}
*cp = '\0';
if (utp != 0 && auibnc == 0)
sc->sc_mediasw = &tlp_21040_tp_mediasw;
else if (utp == 0 && auibnc != 0)
sc->sc_mediasw = &tlp_21040_auibnc_mediasw;
}
void
tlp_pci_cogent_21040_quirks(psc, enaddr)
struct tulip_pci_softc *psc;
const u_int8_t *enaddr;
{
strcpy(psc->sc_tulip.sc_name, "Cogent multi-port");
psc->sc_flags |= TULIP_PCI_SHAREDINTR|TULIP_PCI_SHAREDROM;
}
void
tlp_pci_accton_21040_quirks(psc, enaddr)
struct tulip_pci_softc *psc;
const u_int8_t *enaddr;
{
strcpy(psc->sc_tulip.sc_name, "ACCTON EN1203");
}
void tlp_pci_asante_21140_reset __P((struct tulip_softc *));
void
tlp_pci_asante_21140_quirks(psc, enaddr)
struct tulip_pci_softc *psc;
const u_int8_t *enaddr;
{
struct tulip_softc *sc = &psc->sc_tulip;
/*
* Some Asante boards don't use the ISV SROM format. For
* those that don't, we initialize the GPIO direction bits,
* and provide our own reset hook, which resets the MII.
*
* All of these boards use SIO-attached-MII media.
*/
if (sc->sc_mediasw == &tlp_2114x_isv_mediasw)
return;
strcpy(sc->sc_name, "Asante");
sc->sc_gp_dir = 0xbf;
sc->sc_reset = tlp_pci_asante_21140_reset;
sc->sc_mediasw = &tlp_sio_mii_mediasw;
}
void
tlp_pci_asante_21140_reset(sc)
struct tulip_softc *sc;
{
TULIP_WRITE(sc, CSR_GPP, GPP_GPC | sc->sc_gp_dir);
TULIP_WRITE(sc, CSR_GPP, 0x8);
delay(100);
TULIP_WRITE(sc, CSR_GPP, 0);
}
void tlp_pci_cobalt_21142_reset __P((struct tulip_softc *));
void
tlp_pci_cobalt_21142_quirks(psc, enaddr)
struct tulip_pci_softc *psc;
const u_int8_t *enaddr;
{
struct tulip_softc *sc = &psc->sc_tulip;
/*
* Cobalt Networks interfaces are just MII-on-SIO.
*/
sc->sc_reset = tlp_pci_cobalt_21142_reset;
sc->sc_mediasw = &tlp_sio_mii_mediasw;
/*
* The Cobalt systems tend to fall back to store-and-forward
* pretty quickly, so we select that from the beginning to
* avoid initial timeouts.
*/
sc->sc_txthresh = TXTH_SF;
}
void
tlp_pci_cobalt_21142_reset(sc)
struct tulip_softc *sc;
{
/*
* Reset PHY.
*/
TULIP_WRITE(sc, CSR_SIAGEN, SIAGEN_CWE | (1 << 16));
delay(10);
TULIP_WRITE(sc, CSR_SIAGEN, SIAGEN_CWE);
delay(10);
}
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