NetBSD-5.0.2/sys/arch/alpha/a12/if_ade.c
/* $NetBSD: if_ade.c,v 1.33 2008/03/24 12:24:37 yamt Exp $ */
/*
* NOTE: this version of if_de was modified for bounce buffers prior
* to the introduction of bus_dma to netbsd. When a busified if_de
* is available and the a12 platform bus_dma is complete, then this
* module will be taken for a long walk on a short pier.
*/
/* [Notice revision 2.0]
* Copyright (c) 1997 Avalon Computer Systems, Inc.
* All rights reserved.
*
* Author: Ross Harvey
*
* 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 and
* author 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. Neither the name of Avalon Computer Systems, Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. This copyright will be assigned to The NetBSD Foundation on
* 1/1/2000 unless these terms (including possibly the assignment
* date) are updated in writing by Avalon prior to the latest specified
* assignment date.
*
* THIS SOFTWARE IS PROVIDED BY AVALON COMPUTER SYSTEMS, 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.
*/
/*-
* Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
* All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* Id: if_de.c,v 1.83 1997/03/25 21:12:17 thomas Exp
*
*/
/*
* DEC 21040 PCI Ethernet Controller
*
* Written by Matt Thomas
* BPF support code stolen directly from if_ec.c
*
* This driver supports the DEC DE435 or any other PCI
* board which support 21040, 21041, or 21140 (mostly).
*/
#define TULIP_HDR_DATA
#define LCLDMA 1
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_ade.c,v 1.33 2008/03/24 12:24:37 yamt Exp $");
#include "opt_inet.h"
#include "opt_ns.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/proc.h> /* only for declaration of wakeup() used by vm.h */
#if defined(__FreeBSD__)
#include <machine/clock.h>
#elif defined(__bsdi__) || defined(__NetBSD__)
#include <sys/device.h>
#endif
#include <net/if.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <net/if_dl.h>
#include <net/route.h>
#include <net/netisr.h>
#if defined(__bsdi__) && _BSDI_VERSION >= 199701
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#endif
#include "bpfilter.h"
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#endif
#ifdef NS
#include <netns/ns.h>
#include <netns/ns_if.h>
#endif
#include <uvm/uvm_extern.h>
#if defined(__FreeBSD__)
#include <vm/pmap.h>
#include <pci.h>
#include <netinet/if_ether.h>
#if NPCI > 0
#include <pci/pcivar.h>
#include <pci/dc21040.h>
#define DEVAR_INCLUDE "pci/if_devar.h"
#endif
#endif /* __FreeBSD__ */
#if defined(__bsdi__)
#include <netinet/if_ether.h>
#include <i386/pci/ic/dc21040.h>
#include <i386/isa/isa.h>
#include <i386/isa/icu.h>
#include <i386/isa/dma.h>
#include <i386/isa/isavar.h>
#include <i386/pci/pci.h>
#if _BSDI_VERSION < 199510
#include <eisa.h>
#else
#define NEISA 0
#endif
#if NEISA > 0 && _BSDI_VERSION >= 199401
#include <i386/eisa/eisa.h>
#define TULIP_EISA
#endif
#define DEVAR_INCLUDE "i386/pci/if_devar.h"
#endif /* __bsdi__ */
#if defined(__NetBSD__)
#include <net/if_ether.h>
#if defined(INET)
#include <netinet/if_inarp.h>
#endif
#include <machine/bus.h>
#if defined(__alpha__)
#include <machine/intr.h>
#endif
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/ic/dc21040reg.h>
#endif /* __NetBSD__ */
/*
* Intel CPUs should use I/O mapped access.
*/
#if defined(__i386__) || defined(TULIP_EISA)
#define TULIP_IOMAPPED
#endif
#if 0
/*
* This turns on all sort of debugging stuff and make the
* driver much larger.
*/
#define TULIP_DEBUG
#endif
#if 0
#define TULIP_USE_SOFTINTR
#endif
#define TULIP_HZ 10
#include <alpha/a12/if_adevar.h>
tulip_softc_t * debug_sc; /* XXX */
/*
* This module supports
* the DEC 21040 PCI Ethernet Controller.
* the DEC 21041 PCI Ethernet Controller.
* the DEC 21140 PCI Fast Ethernet Controller.
*/
static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr);
static tulip_intrfunc_t tulip_intr_shared(void *arg);
static tulip_intrfunc_t tulip_intr_normal(void *arg);
static void tulip_init(tulip_softc_t * const sc);
static void tulip_reset(tulip_softc_t * const sc);
static ifnet_ret_t tulip_ifstart(struct ifnet *ifp);
static void tulip_rx_intr(tulip_softc_t * const sc);
static void tulip_addr_filter(tulip_softc_t * const sc);
static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno);
static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data);
static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities);
static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc);
static int tulip_srom_decode(tulip_softc_t * const sc);
static int tulip_ifmedia_change(struct ifnet * const ifp);
static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req);
/* static void tulip_21140_map_media(tulip_softc_t *sc); */
#ifdef LCLDMA
static void reset_lcl_dma(tulip_softc_t * const sc);
static void a12_m_copydata(struct mbuf *m, int off, int len, void *cp);
static void dumpring(void **);
/*
* Note for LCLDMA mods. These are for systems such as the Avalon
* A12 that can't DMA to main memory, but instead have an essentially
* dual-ported local buffer memory. Other systems with this kind
* of bus architecture include many of the VAXstation models. Of
* course, they won't be needing de(4) drivers.
*/
static void
donothing(struct mbuf *m, void *buf, size_t size, void *arg)
{
if (__predict_true(m != NULL)) {
pool_cache_put(mb_cache, m);
}
}
static void a12r2pb(void *vsrc, void *vdst, int len) {
long bounce[9];
int i,
offset, /* destination misalignment */
t, /* segment count */
llw; /* last longword index */
char *src = vsrc;
long *dst = vdst;
offset = (long)dst & 7;
dst = (long *)((long)dst & ~7L);
alpha_wmb();
while(len) {
t = 64;
if(t > len)
t = len;
llw = (t+offset) >> 3;
if(((t|offset) & 7) == 0 && llw)
--llw;
else bounce[llw] = dst[llw];
/*
* The whole idea is that llw indexes the first long
* that contains at least 1 byte NOT to be overwritten.
* If we are an even, aligned transfer, then bump down
* llw to avoid an extra load/store to the slow buffer
* mem.
*/
if(offset)
bounce[0] = dst[0];
memcpy((int8_t *)bounce+offset,src,t);
for(i=llw; i>=0; --i) { /* reverse so d_status is last */
alpha_mb();
dst[i] = bounce[i];
alpha_mb();
}
#if 0
{ static int printcount;
if(++printcount<=4) {
for(i=llw; i>=0; --i) {
alpha_mb();
printf("dst[%d]=%16lx@%16lx bounce[%d]=%16lx\n",
i, dst[i], &dst[i], i, bounce[i]);
alpha_mb();
}
}
}
#endif
dst += 8;
src += t;
len -= t;
}
alpha_wmb();
}
#define BEGIN(p) do { tulip_desc_t t; memcpy(&t,(p),sizeof(t))
#define END(p) a12r2pb(&t,(p),sizeof(t)); } while(0)
static void setstatus(tulip_desc_t *t, u_int32_t val) {
a12r2pb(&val, &t->d_status, sizeof(t->d_status));
}
#ifdef LCLDMA
#include <machine/rpb.h>
static u_int32_t a12map(u_int32_t p) {
if(cputype==ST_AVALON_A12)
p = (p & 0xfffffff) | 0x80000000;
return p;
}
#endif
#endif
static void
tulip_timeout_callback(
void *arg)
{
tulip_softc_t * const sc = arg;
tulip_spl_t s = TULIP_RAISESPL();
sc->tulip_flags &= ~TULIP_TIMEOUTPENDING;
sc->tulip_probe_timeout -= 1000 / TULIP_HZ;
(sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER);
TULIP_RESTORESPL(s);
}
static void
tulip_timeout(
tulip_softc_t * const sc)
{
if (sc->tulip_flags & TULIP_TIMEOUTPENDING)
return;
sc->tulip_flags |= TULIP_TIMEOUTPENDING;
timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ);
}
#if defined(TULIP_NEED_FASTTIMEOUT)
static void
tulip_fasttimeout_callback(
void *arg)
{
tulip_softc_t * const sc = arg;
tulip_spl_t s = TULIP_RAISESPL();
sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING;
(sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER);
TULIP_RESTORESPL(s);
}
static void
tulip_fasttimeout(
tulip_softc_t * const sc)
{
if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING)
return;
sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING;
timeout(tulip_fasttimeout_callback, sc, 1);
}
#endif
static int
tulip_txprobe(
tulip_softc_t * const sc)
{
struct mbuf *m;
/*
* Before we are sure this is the right media we need
* to send a small packet to make sure there's carrier.
* Strangely, BNC and AUI will 'see" receive data if
* either is connected so the transmit is the only way
* to verify the connectivity.
*/
m = m_gethdr(M_DONTWAIT, MT_DATA);
if (m == NULL)
return 0;
/*
* Construct a LLC TEST message which will point to ourselves.
*/
memcpy(mtod(m, struct ether_header *)->ether_dhost, sc->tulip_enaddr, 6);
memcpy(mtod(m, struct ether_header *)->ether_shost, sc->tulip_enaddr, 6);
mtod(m, struct ether_header *)->ether_type = htons(3);
mtod(m, unsigned char *)[14] = 0;
mtod(m, unsigned char *)[15] = 0;
mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */
m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3;
/*
* send it!
*/
sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
sc->tulip_flags |= TULIP_TXPROBE_ACTIVE;
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
IF_PREPEND(&sc->tulip_if.if_snd, m);
tulip_ifstart(&sc->tulip_if);
sc->tulip_probe.probe_txprobes++;
return 1;
}
#ifdef BIG_PACKET
#define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0)
#else
#define TULIP_SIAGEN_WATCHDOG 0
#endif
static void
tulip_media_set(
tulip_softc_t * const sc,
tulip_media_t media)
{
const tulip_media_info_t *mi = sc->tulip_mediums[media];
if (mi == NULL)
return;
/*
* If we are switching media, make sure we don't think there's
* any stale RX activity
*/
sc->tulip_flags &= ~TULIP_RXACT;
if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx);
if (sc->tulip_features & TULIP_HAVE_SIAGP) {
TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
} else {
TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
}
TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity);
} else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL)
/*
* If the cmdmode bits don't match the currently operating mode,
* set the cmdmode appropriately and reset the chip.
*/
if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
sc->tulip_cmdmode |= mi->mi_cmdmode;
tulip_reset(sc);
}
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
DELAY(10);
TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata);
} else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
/*
* If the cmdmode bits don't match the currently operating mode,
* set the cmdmode appropriately and reset the chip.
*/
if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
sc->tulip_cmdmode |= mi->mi_cmdmode;
tulip_reset(sc);
}
TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol);
TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata);
} else if (mi->mi_type == TULIP_MEDIAINFO_MII
&& sc->tulip_probe_state != TULIP_PROBE_INACTIVE) {
int idx;
if (sc->tulip_features & TULIP_HAVE_SIAGP) {
const u_int8_t *dp;
dp = &sc->tulip_rombuf[mi->mi_reset_offset];
for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) {
DELAY(10);
TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
}
sc->tulip_phyaddr = mi->mi_phyaddr;
dp = &sc->tulip_rombuf[mi->mi_gpr_offset];
for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) {
DELAY(10);
TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
}
} else {
for (idx = 0; idx < mi->mi_reset_length; idx++) {
DELAY(10);
TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]);
}
sc->tulip_phyaddr = mi->mi_phyaddr;
for (idx = 0; idx < mi->mi_gpr_length; idx++) {
DELAY(10);
TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]);
}
}
if (sc->tulip_flags & TULIP_TRYNWAY) {
tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
} else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL);
data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE);
sc->tulip_flags &= ~TULIP_DIDNWAY;
if (TULIP_IS_MEDIA_FD(media))
data |= PHYCTL_FULL_DUPLEX;
if (TULIP_IS_MEDIA_100MB(media))
data |= PHYCTL_SELECT_100MB;
tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data);
}
}
}
static void
tulip_linkup(
tulip_softc_t * const sc,
tulip_media_t media)
{
if ((sc->tulip_flags & TULIP_LINKUP) == 0)
sc->tulip_flags |= TULIP_PRINTLINKUP;
sc->tulip_flags |= TULIP_LINKUP;
sc->tulip_if.if_flags &= ~IFF_OACTIVE;
#if 0 /* XXX how does with work with ifmedia? */
if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) {
if (TULIP_CAN_MEDIA_FD(media)
&& sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL)
media = TULIP_FD_MEDIA_OF(media);
} else {
if (TULIP_IS_MEDIA_FD(media)
&& sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL)
media = TULIP_HD_MEDIA_OF(media);
}
}
#endif
if (sc->tulip_media != media) {
#ifdef TULIP_DEBUG
sc->tulip_dbg.dbg_last_media = sc->tulip_media;
#endif
sc->tulip_media = media;
sc->tulip_flags |= TULIP_PRINTMEDIA;
if (TULIP_IS_MEDIA_FD(sc->tulip_media)) {
sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
} else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) {
sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
}
}
/*
* We could set probe_timeout to 0 but setting to 3000 puts this
* in one central place and the only matters is tulip_link is
* followed by a tulip_timeout. Therefore setting it should not
* result in aberrant behavour.
*/
sc->tulip_probe_timeout = 3000;
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY);
if (sc->tulip_flags & TULIP_INRESET) {
tulip_media_set(sc, sc->tulip_media);
} else {
tulip_reset(sc);
tulip_init(sc);
}
}
static void
tulip_media_print(
tulip_softc_t * const sc)
{
if ((sc->tulip_flags & TULIP_LINKUP) == 0)
return;
if (sc->tulip_flags & TULIP_PRINTMEDIA) {
printf(TULIP_PRINTF_FMT ": enabling %s port\n",
TULIP_PRINTF_ARGS,
tulip_mediums[sc->tulip_media]);
sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
} else if (sc->tulip_flags & TULIP_PRINTLINKUP) {
printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS);
sc->tulip_flags &= ~TULIP_PRINTLINKUP;
}
}
#if defined(TULIP_DO_GPR_SENSE)
static tulip_media_t
tulip_21140_gpr_media_sense(
tulip_softc_t * const sc)
{
tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN;
tulip_media_t last_media = TULIP_MEDIA_UNKNOWN;
tulip_media_t media;
/*
* If one of the media blocks contained a default media flag,
* use that.
*/
for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
const tulip_media_info_t *mi;
/*
* Media is not supported (or is full-duplex).
*/
if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media))
continue;
if (mi->mi_type != TULIP_MEDIAINFO_GPR)
continue;
/*
* Remember the media is this is the "default" media.
*/
if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN)
maybe_media = media;
/*
* No activity mask? Can't see if it is active if there's no mask.
*/
if (mi->mi_actmask == 0)
continue;
/*
* Does the activity data match?
*/
if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata)
continue;
#if defined(TULIP_DEBUG)
printf(TULIP_PRINTF_FMT ": gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n",
TULIP_PRINTF_ARGS, tulip_mediums[media],
TULIP_CSR_READ(sc, csr_gp) & 0xFF,
mi->mi_actmask, mi->mi_actdata);
#endif
/*
* It does! If this is the first media we detected, then
* remember this media. If isn't the first, then there were
* multiple matches which we equate to no match (since we don't
* which to select (if any).
*/
if (last_media == TULIP_MEDIA_UNKNOWN) {
last_media = media;
} else if (last_media != media) {
last_media = TULIP_MEDIA_UNKNOWN;
}
}
return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media;
}
#endif /* TULIP_DO_GPR_SENSE */
static tulip_link_status_t
tulip_media_link_monitor(
tulip_softc_t * const sc)
{
const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media];
tulip_link_status_t linkup = TULIP_LINK_DOWN;
if (mi == NULL) {
#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG)
panic("tulip_media_link_monitor: %s: botch at line %d",
tulip_mediums[sc->tulip_media],__LINE__);
#endif
return TULIP_LINK_UNKNOWN;
}
/*
* Have we seen some packets? If so, the link must be good.
*/
if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) {
sc->tulip_flags &= ~TULIP_RXACT;
sc->tulip_probe_timeout = 3000;
return TULIP_LINK_UP;
}
sc->tulip_flags &= ~TULIP_RXACT;
if (mi->mi_type == TULIP_MEDIAINFO_MII) {
u_int32_t status;
/*
* Read the PHY status register.
*/
status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
if (status & PHYSTS_AUTONEG_DONE) {
/*
* If the PHY has completed autonegotiation, see the if the
* remote systems abilities have changed. If so, upgrade or
* downgrade as appropriate.
*/
u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES);
abilities = (abilities << 6) & status;
if (abilities != sc->tulip_abilities) {
#if defined(TULIP_DEBUG)
loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n",
TULIP_PRINTF_ARGS, sc->tulip_phyaddr,
sc->tulip_abilities, abilities);
#endif
if (tulip_mii_map_abilities(sc, abilities)) {
tulip_linkup(sc, sc->tulip_probe_media);
return TULIP_LINK_UP;
}
/*
* if we had selected media because of autonegotiation,
* we need to probe for the new media.
*/
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
if (sc->tulip_flags & TULIP_DIDNWAY)
return TULIP_LINK_DOWN;
}
}
/*
* The link is now up. If was down, say its back up.
*/
if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP)
linkup = TULIP_LINK_UP;
} else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
/*
* No activity sensor? Assume all's well.
*/
if (mi->mi_actmask == 0)
return TULIP_LINK_UNKNOWN;
/*
* Does the activity data match?
*/
if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata)
linkup = TULIP_LINK_UP;
} else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
/*
* Assume non TP ok for now.
*/
if (!TULIP_IS_MEDIA_TP(sc->tulip_media))
return TULIP_LINK_UNKNOWN;
if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0)
linkup = TULIP_LINK_UP;
} else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
return TULIP_LINK_UNKNOWN;
}
/*
* We will wait for 3 seconds until the link goes into suspect mode.
*/
if (sc->tulip_flags & TULIP_LINKUP) {
if (linkup == TULIP_LINK_UP)
sc->tulip_probe_timeout = 3000;
if (sc->tulip_probe_timeout > 0)
return TULIP_LINK_UP;
sc->tulip_flags &= ~TULIP_LINKUP;
printf(TULIP_PRINTF_FMT ": link down: cable problem?\n", TULIP_PRINTF_ARGS);
}
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_link_downed++;
#endif
return TULIP_LINK_DOWN;
}
static void
tulip_media_poll(
tulip_softc_t * const sc,
tulip_mediapoll_event_t event)
{
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_events[event]++;
#endif
if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE
&& event == TULIP_MEDIAPOLL_TIMER) {
switch (tulip_media_link_monitor(sc)) {
case TULIP_LINK_DOWN: {
/*
* Link Monitor failed. Probe for new media.
*/
event = TULIP_MEDIAPOLL_LINKFAIL;
break;
}
case TULIP_LINK_UP: {
/*
* Check again soon.
*/
tulip_timeout(sc);
return;
}
case TULIP_LINK_UNKNOWN: {
/*
* We can't tell so don't bother.
*/
return;
}
}
}
if (event == TULIP_MEDIAPOLL_LINKFAIL) {
if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) {
if (TULIP_DO_AUTOSENSE(sc)) {
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_link_failures++;
#endif
sc->tulip_media = TULIP_MEDIA_UNKNOWN;
tulip_reset(sc); /* restart probe */
}
return;
}
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_link_pollintrs++;
#endif
}
if (event == TULIP_MEDIAPOLL_START) {
sc->tulip_if.if_flags |= IFF_OACTIVE;
if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE)
return;
sc->tulip_probe_mediamask = 0;
sc->tulip_probe_passes = 0;
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_media_probes++;
#endif
/*
* If the SROM contained an explicit media to use, use it.
*/
sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX);
sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS;
sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
/*
* connidx is defaulted to a media_unknown type.
*/
sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media;
if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) {
tulip_linkup(sc, sc->tulip_probe_media);
tulip_timeout(sc);
return;
}
if (sc->tulip_features & TULIP_HAVE_GPR) {
sc->tulip_probe_state = TULIP_PROBE_GPRTEST;
sc->tulip_probe_timeout = 2000;
} else {
sc->tulip_probe_media = TULIP_MEDIA_MAX;
sc->tulip_probe_timeout = 0;
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
}
}
/*
* Ignore txprobe failures or spurious callbacks.
*/
if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED
&& sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) {
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
return;
}
/*
* If we really transmitted a packet, then that's the media we'll use.
*/
if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) {
if (event == TULIP_MEDIAPOLL_LINKPASS)
sc->tulip_probe_media = TULIP_MEDIA_10BASET;
#if defined(TULIP_DEBUG)
else
sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++;
#endif
tulip_linkup(sc, sc->tulip_probe_media);
tulip_timeout(sc);
return;
}
if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) {
#if defined(TULIP_DO_GPR_SENSE)
/*
* Check for media via the general purpose register.
*
* Try to sense the media via the GPR. If the same value
* occurs 3 times in a row then just use that.
*/
if (sc->tulip_probe_timeout > 0) {
tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc);
#if defined(TULIP_DEBUG)
printf(TULIP_PRINTF_FMT ": media_poll: gpr sensing = %s\n",
TULIP_PRINTF_ARGS, tulip_mediums[new_probe_media]);
#endif
if (new_probe_media != TULIP_MEDIA_UNKNOWN) {
if (new_probe_media == sc->tulip_probe_media) {
if (--sc->tulip_probe_count == 0)
tulip_linkup(sc, sc->tulip_probe_media);
} else {
sc->tulip_probe_count = 10;
}
}
sc->tulip_probe_media = new_probe_media;
tulip_timeout(sc);
return;
}
#endif /* TULIP_DO_GPR_SENSE */
/*
* Brute force. We cycle through each of the media types
* and try to transmit a packet.
*/
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
sc->tulip_probe_media = TULIP_MEDIA_MAX;
sc->tulip_probe_timeout = 0;
tulip_timeout(sc);
return;
}
if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST
&& (sc->tulip_features & TULIP_HAVE_MII)) {
tulip_media_t old_media = sc->tulip_probe_media;
tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
switch (sc->tulip_probe_state) {
case TULIP_PROBE_FAILED:
case TULIP_PROBE_MEDIATEST: {
/*
* Try the next media.
*/
sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask;
sc->tulip_probe_timeout = 0;
#ifdef notyet
if (sc->tulip_probe_state == TULIP_PROBE_FAILED)
break;
if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
break;
sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300;
#endif
break;
}
case TULIP_PROBE_PHYAUTONEG: {
return;
}
case TULIP_PROBE_INACTIVE: {
/*
* Only probe if we autonegotiated a media that hasn't failed.
*/
sc->tulip_probe_timeout = 0;
if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) {
sc->tulip_probe_media = old_media;
break;
}
tulip_linkup(sc, sc->tulip_probe_media);
tulip_timeout(sc);
return;
}
default: {
#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG)
panic("tulip_media_poll: botch at line %d", __LINE__);
#endif
break;
}
}
}
if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) {
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++;
#endif
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
return;
}
/*
* switch to another media if we tried this one enough.
*/
if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) {
#if defined(TULIP_DEBUG)
if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
printf(TULIP_PRINTF_FMT ": poll media unknown!\n",
TULIP_PRINTF_ARGS);
sc->tulip_probe_media = TULIP_MEDIA_MAX;
}
#endif
/*
* Find the next media type to check for. Full Duplex
* types are not allowed.
*/
do {
sc->tulip_probe_media -= 1;
if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
if (++sc->tulip_probe_passes == 3) {
printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n",
TULIP_PRINTF_ARGS);
if ((sc->tulip_if.if_flags & IFF_UP) == 0) {
sc->tulip_if.if_flags &= ~IFF_RUNNING;
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
return;
}
}
sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */
sc->tulip_probe_mediamask = 0;
sc->tulip_probe_media = TULIP_MEDIA_MAX - 1;
}
} while (sc->tulip_mediums[sc->tulip_probe_media] == NULL
|| (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media))
|| TULIP_IS_MEDIA_FD(sc->tulip_probe_media));
#if defined(TULIP_DEBUG)
printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS,
event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout",
tulip_mediums[sc->tulip_probe_media]);
#endif
sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000;
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
sc->tulip_probe.probe_txprobes = 0;
tulip_reset(sc);
tulip_media_set(sc, sc->tulip_probe_media);
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
}
tulip_timeout(sc);
/*
* If this is hanging off a phy, we know are doing NWAY and we have
* forced the phy to a specific speed. Wait for link up before
* before sending a packet.
*/
switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) {
case TULIP_MEDIAINFO_MII: {
if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
return;
break;
}
case TULIP_MEDIAINFO_SIA: {
if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) {
if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL)
return;
tulip_linkup(sc, sc->tulip_probe_media);
#ifdef notyet
if (sc->tulip_features & TULIP_HAVE_MII)
tulip_timeout(sc);
#endif
return;
}
break;
}
case TULIP_MEDIAINFO_RESET:
case TULIP_MEDIAINFO_SYM:
case TULIP_MEDIAINFO_GPR: {
break;
}
}
/*
* Try to send a packet.
*/
tulip_txprobe(sc);
}
static void
tulip_media_select(
tulip_softc_t * const sc)
{
if (sc->tulip_features & TULIP_HAVE_GPR) {
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
DELAY(10);
TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata);
}
/*
* If this board has no media, just return
*/
if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) == IFM_NONE)
return;
if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
(*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START);
} else {
tulip_media_set(sc, sc->tulip_media);
}
}
static void
tulip_21040_mediainfo_init(
tulip_softc_t * const sc,
tulip_media_t media)
{
sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160
|TULIP_CMD_BACKOFFCTR;
sc->tulip_if.if_baudrate = 10000000;
if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) {
TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET);
TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD);
}
if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) {
TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC);
}
if (media == TULIP_MEDIA_UNKNOWN) {
TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA);
}
}
static void
tulip_21040_media_probe(
tulip_softc_t * const sc)
{
tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN);
return;
}
static void
tulip_21040_10baset_only_media_probe(
tulip_softc_t * const sc)
{
tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET);
tulip_media_set(sc, TULIP_MEDIA_10BASET);
sc->tulip_media = TULIP_MEDIA_10BASET;
}
static void
tulip_21040_10baset_only_media_select(
tulip_softc_t * const sc)
{
sc->tulip_flags |= TULIP_LINKUP;
if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) {
sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
sc->tulip_flags &= ~TULIP_SQETEST;
} else {
sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
sc->tulip_flags |= TULIP_SQETEST;
}
tulip_media_set(sc, sc->tulip_media);
}
static void
tulip_21040_auibnc_only_media_probe(
tulip_softc_t * const sc)
{
tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC);
sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP;
tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
sc->tulip_media = TULIP_MEDIA_AUIBNC;
}
static void
tulip_21040_auibnc_only_media_select(
tulip_softc_t * const sc)
{
tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
}
static const tulip_boardsw_t tulip_21040_boardsw = {
TULIP_21040_GENERIC,
tulip_21040_media_probe,
tulip_media_select,
tulip_media_poll,
};
static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = {
TULIP_21040_GENERIC,
tulip_21040_10baset_only_media_probe,
tulip_21040_10baset_only_media_select,
NULL,
};
static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = {
TULIP_21040_GENERIC,
tulip_21040_auibnc_only_media_probe,
tulip_21040_auibnc_only_media_select,
NULL,
};
static void
tulip_21041_mediainfo_init(
tulip_softc_t * const sc)
{
tulip_media_info_t * const mi = sc->tulip_mediainfo;
#ifdef notyet
if (sc->tulip_revinfo >= 0x20) {
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET);
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD);
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI);
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC);
return;
}
#endif
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET);
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD);
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI);
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC);
}
static void
tulip_21041_media_probe(
tulip_softc_t * const sc)
{
sc->tulip_if.if_baudrate = 10000000;
sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT
|TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR;
sc->tulip_intrmask |= TULIP_STS_LINKPASS;
tulip_21041_mediainfo_init(sc);
}
static void
tulip_21041_media_poll(
tulip_softc_t * const sc,
const tulip_mediapoll_event_t event)
{
u_int32_t sia_status;
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_events[event]++;
#endif
if (event == TULIP_MEDIAPOLL_LINKFAIL) {
if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE
|| !TULIP_DO_AUTOSENSE(sc))
return;
sc->tulip_media = TULIP_MEDIA_UNKNOWN;
tulip_reset(sc); /* start probe */
return;
}
/*
* If we've been been asked to start a poll or link change interrupt
* restart the probe (and reset the tulip to a known state).
*/
if (event == TULIP_MEDIAPOLL_START) {
sc->tulip_if.if_flags |= IFF_OACTIVE;
sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN);
#ifdef notyet
if (sc->tulip_revinfo >= 0x20) {
sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
sc->tulip_flags |= TULIP_DIDNWAY;
}
#endif
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
sc->tulip_probe_media = TULIP_MEDIA_10BASET;
sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT;
tulip_media_set(sc, TULIP_MEDIA_10BASET);
tulip_timeout(sc);
return;
}
if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
return;
if (event == TULIP_MEDIAPOLL_TXPROBE_OK) {
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++;
#endif
tulip_linkup(sc, sc->tulip_probe_media);
return;
}
sia_status = TULIP_CSR_READ(sc, csr_sia_status);
TULIP_CSR_WRITE(sc, csr_sia_status, sia_status);
if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) {
if (sc->tulip_revinfo >= 0x20) {
if (sia_status & (PHYSTS_10BASET_FD << (16 - 6)))
sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
}
/*
* If the link has passed LinkPass, 10baseT is the
* proper media to use.
*/
tulip_linkup(sc, sc->tulip_probe_media);
return;
}
/*
* wait for up to 2.4 seconds for the link to reach pass state.
* Only then start scanning the other media for activity.
* choose media with receive activity over those without.
*/
if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) {
if (event != TULIP_MEDIAPOLL_TIMER)
return;
if (sc->tulip_probe_timeout > 0
&& (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) {
tulip_timeout(sc);
return;
}
sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
sc->tulip_flags |= TULIP_WANTRXACT;
if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) {
sc->tulip_probe_media = TULIP_MEDIA_BNC;
} else {
sc->tulip_probe_media = TULIP_MEDIA_AUI;
}
tulip_media_set(sc, sc->tulip_probe_media);
tulip_timeout(sc);
return;
}
/*
* If we failed, clear the txprobe active flag.
*/
if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED)
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
if (event == TULIP_MEDIAPOLL_TIMER) {
/*
* If we've received something, then that's our link!
*/
if (sc->tulip_flags & TULIP_RXACT) {
tulip_linkup(sc, sc->tulip_probe_media);
return;
}
/*
* if no txprobe active
*/
if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0
&& ((sc->tulip_flags & TULIP_WANTRXACT) == 0
|| (sia_status & TULIP_SIASTS_RXACTIVITY))) {
sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
tulip_txprobe(sc);
tulip_timeout(sc);
return;
}
/*
* Take 2 passes through before deciding to not
* wait for receive activity. Then take another
* two passes before spitting out a warning.
*/
if (sc->tulip_probe_timeout <= 0) {
if (sc->tulip_flags & TULIP_WANTRXACT) {
sc->tulip_flags &= ~TULIP_WANTRXACT;
sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
} else {
printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n",
TULIP_PRINTF_ARGS);
if ((sc->tulip_if.if_flags & IFF_UP) == 0) {
sc->tulip_if.if_flags &= ~IFF_RUNNING;
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
return;
}
}
}
}
/*
* Since this media failed to probe, try the other one.
*/
sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
if (sc->tulip_probe_media == TULIP_MEDIA_AUI) {
sc->tulip_probe_media = TULIP_MEDIA_BNC;
} else {
sc->tulip_probe_media = TULIP_MEDIA_AUI;
}
tulip_media_set(sc, sc->tulip_probe_media);
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
tulip_timeout(sc);
}
static const tulip_boardsw_t tulip_21041_boardsw = {
TULIP_21041_GENERIC,
tulip_21041_media_probe,
tulip_media_select,
tulip_21041_media_poll
};
static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = {
{ 0x20005c00, 0, /* 08-00-17 */
{
{ 0x19, 0x0040, 0x0040 }, /* 10TX */
{ 0x19, 0x0040, 0x0000 }, /* 100TX */
},
#if defined(TULIP_DEBUG)
"NS DP83840",
#endif
},
{ 0x0281F400, 0, /* 00-A0-7D */
{
{ 0x12, 0x0010, 0x0000 }, /* 10T */
{ }, /* 100TX */
{ 0x12, 0x0010, 0x0010 }, /* 100T4 */
{ 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */
},
#if defined(TULIP_DEBUG)
"Seeq 80C240"
#endif
},
#if 0
{ 0x0015F420, 0, /* 00-A0-7D */
{
{ 0x12, 0x0010, 0x0000 }, /* 10T */
{ }, /* 100TX */
{ 0x12, 0x0010, 0x0010 }, /* 100T4 */
{ 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */
},
#if defined(TULIP_DEBUG)
"Broadcom BCM5000"
#endif
},
#endif
{ 0x0281F400, 0, /* 00-A0-BE */
{
{ 0x11, 0x8000, 0x0000 }, /* 10T */
{ 0x11, 0x8000, 0x8000 }, /* 100TX */
{ }, /* 100T4 */
{ 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */
},
#if defined(TULIP_DEBUG)
"ICS 1890"
#endif
},
{ 0 }
};
static tulip_media_t
tulip_mii_phy_readspecific(
tulip_softc_t * const sc)
{
const tulip_phy_attr_t *attr;
u_int16_t data;
u_int32_t id;
unsigned idx = 0;
static const tulip_media_t table[] = {
TULIP_MEDIA_UNKNOWN,
TULIP_MEDIA_10BASET,
TULIP_MEDIA_100BASETX,
TULIP_MEDIA_100BASET4,
TULIP_MEDIA_UNKNOWN,
TULIP_MEDIA_10BASET_FD,
TULIP_MEDIA_100BASETX_FD,
TULIP_MEDIA_UNKNOWN
};
/*
* Don't read phy specific registers if link is not up.
*/
data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS))
return TULIP_MEDIA_UNKNOWN;
id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) |
tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH);
for (attr = tulip_mii_phy_attrlist;; attr++) {
if (attr->attr_id == 0)
return TULIP_MEDIA_UNKNOWN;
if ((id & ~0x0F) == attr->attr_id)
break;
}
if (attr->attr_modes[PHY_MODE_100TX].pm_regno) {
const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX];
data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
if ((data & pm->pm_mask) == pm->pm_value)
idx = 2;
}
if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) {
const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4];
data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
if ((data & pm->pm_mask) == pm->pm_value)
idx = 3;
}
if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) {
const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T];
data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
if ((data & pm->pm_mask) == pm->pm_value)
idx = 1;
}
if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) {
const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX];
data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0);
}
return table[idx];
}
static unsigned
tulip_mii_get_phyaddr(
tulip_softc_t * const sc,
unsigned offset)
{
unsigned phyaddr;
for (phyaddr = 1; phyaddr < 32; phyaddr++) {
unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
continue;
if (offset == 0)
return phyaddr;
offset--;
}
if (offset == 0) {
unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS);
if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
return TULIP_MII_NOPHY;
return 0;
}
return TULIP_MII_NOPHY;
}
static int
tulip_mii_map_abilities(
tulip_softc_t * const sc,
unsigned abilities)
{
sc->tulip_abilities = abilities;
if (abilities & PHYSTS_100BASETX_FD) {
sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD;
} else if (abilities & PHYSTS_100BASET4) {
sc->tulip_probe_media = TULIP_MEDIA_100BASET4;
} else if (abilities & PHYSTS_100BASETX) {
sc->tulip_probe_media = TULIP_MEDIA_100BASETX;
} else if (abilities & PHYSTS_10BASET_FD) {
sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
} else if (abilities & PHYSTS_10BASET) {
sc->tulip_probe_media = TULIP_MEDIA_10BASET;
} else {
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
return 0;
}
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
return 1;
}
static void
tulip_mii_autonegotiate(
tulip_softc_t * const sc,
const unsigned phyaddr)
{
switch (sc->tulip_probe_state) {
case TULIP_PROBE_MEDIATEST:
case TULIP_PROBE_INACTIVE: {
sc->tulip_flags |= TULIP_DIDNWAY;
tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET);
sc->tulip_probe_timeout = 3000;
sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR;
sc->tulip_probe_state = TULIP_PROBE_PHYRESET;
/* FALL THROUGH */
}
case TULIP_PROBE_PHYRESET: {
u_int32_t status;
u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
if (data & PHYCTL_RESET) {
if (sc->tulip_probe_timeout > 0) {
tulip_timeout(sc);
return;
}
printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n",
TULIP_PRINTF_ARGS, phyaddr);
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
sc->tulip_probe_state = TULIP_PROBE_FAILED;
sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING);
return;
}
status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
if ((status & PHYSTS_CAN_AUTONEG) == 0) {
#if defined(TULIP_DEBUG)
loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n",
TULIP_PRINTF_ARGS, phyaddr);
#endif
sc->tulip_flags &= ~TULIP_DIDNWAY;
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
return;
}
if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01))
tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01);
tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE);
data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
#if defined(TULIP_DEBUG)
if ((data & PHYCTL_AUTONEG_ENABLE) == 0)
loudprintf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n",
TULIP_PRINTF_ARGS, phyaddr, data);
else
loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x\n",
TULIP_PRINTF_ARGS, phyaddr, data);
sc->tulip_dbg.dbg_nway_starts++;
#endif
sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG;
sc->tulip_probe_timeout = 3000;
/* FALL THROUGH */
}
case TULIP_PROBE_PHYAUTONEG: {
u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
u_int32_t data;
if ((status & PHYSTS_AUTONEG_DONE) == 0) {
if (sc->tulip_probe_timeout > 0) {
tulip_timeout(sc);
return;
}
#if defined(TULIP_DEBUG)
loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n",
TULIP_PRINTF_ARGS, phyaddr, status,
tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL));
#endif
sc->tulip_flags &= ~TULIP_DIDNWAY;
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
return;
}
data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES);
#if defined(TULIP_DEBUG)
loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n",
TULIP_PRINTF_ARGS, phyaddr, data);
#endif
data = (data << 6) & status;
if (!tulip_mii_map_abilities(sc, data))
sc->tulip_flags &= ~TULIP_DIDNWAY;
return;
}
default: {
#if defined(DIAGNOSTIC)
panic("tulip_media_poll: botch at line %d", __LINE__);
#endif
break;
}
}
#if defined(TULIP_DEBUG)
loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n",
TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state);
sc->tulip_dbg.dbg_nway_failures++;
#endif
}
static void
tulip_2114x_media_preset(
tulip_softc_t * const sc)
{
const tulip_media_info_t *mi = NULL;
tulip_media_t media = sc->tulip_media;
if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
media = sc->tulip_media;
else
media = sc->tulip_probe_media;
sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT;
sc->tulip_flags &= ~TULIP_SQETEST;
/* here is the srom media problem */
if (media != TULIP_MEDIA_UNKNOWN) {
#if 1 || defined(TULIP_DEBUG)
if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) {
#endif
mi = sc->tulip_mediums[media];
if (mi->mi_type == TULIP_MEDIAINFO_MII) {
sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
} else if (mi->mi_type == TULIP_MEDIAINFO_GPR
|| mi->mi_type == TULIP_MEDIAINFO_SYM) {
sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
sc->tulip_cmdmode |= mi->mi_cmdmode;
} else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
}
#if 1 || defined(TULIP_DEBUG)
} else {
printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n",
TULIP_PRINTF_ARGS, media);
}
#endif
}
switch (media) {
case TULIP_MEDIA_BNC:
case TULIP_MEDIA_AUI:
case TULIP_MEDIA_10BASET: {
sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL;
sc->tulip_if.if_baudrate = 10000000;
sc->tulip_flags |= TULIP_SQETEST;
break;
}
case TULIP_MEDIA_10BASET_FD: {
sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL;
sc->tulip_if.if_baudrate = 10000000;
break;
}
case TULIP_MEDIA_100BASEFX:
case TULIP_MEDIA_100BASET4:
case TULIP_MEDIA_100BASETX: {
sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL);
sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
sc->tulip_if.if_baudrate = 100000000;
break;
}
case TULIP_MEDIA_100BASEFX_FD:
case TULIP_MEDIA_100BASETX_FD: {
sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT;
sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL;
sc->tulip_if.if_baudrate = 100000000;
break;
}
default: {
break;
}
}
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
}
/*
********************************************************************
* Start of 21140/21140A support which does not use the MII interface
*/
static void
tulip_null_media_poll(
tulip_softc_t * const sc,
tulip_mediapoll_event_t event)
{
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_events[event]++;
#endif
#if defined(DIAGNOSTIC)
printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n",
TULIP_PRINTF_ARGS, __LINE__);
#endif
}
inline static void
tulip_21140_mediainit(
tulip_softc_t * const sc,
tulip_media_info_t * const mip,
tulip_media_t const media,
unsigned gpdata,
unsigned cmdmode)
{
sc->tulip_mediums[media] = mip;
mip->mi_type = TULIP_MEDIAINFO_GPR;
mip->mi_cmdmode = cmdmode;
mip->mi_gpdata = gpdata;
}
static void
tulip_21140_evalboard_media_probe(
tulip_softc_t * const sc)
{
tulip_media_info_t *mip = sc->tulip_mediainfo;
sc->tulip_gpinit = TULIP_GP_EB_PINS;
sc->tulip_gpdata = TULIP_GP_EB_INIT;
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
TULIP_CSR_WRITE(sc, csr_command,
TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
TULIP_CSR_WRITE(sc, csr_command,
TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
DELAY(1000000);
if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) {
sc->tulip_media = TULIP_MEDIA_10BASET;
} else {
sc->tulip_media = TULIP_MEDIA_100BASETX;
}
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
TULIP_GP_EB_INIT,
TULIP_CMD_TXTHRSHLDCTL);
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
TULIP_GP_EB_INIT,
TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
TULIP_GP_EB_INIT,
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|TULIP_CMD_SCRAMBLER);
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
TULIP_GP_EB_INIT,
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
}
static const tulip_boardsw_t tulip_21140_eb_boardsw = {
TULIP_21140_DEC_EB,
tulip_21140_evalboard_media_probe,
tulip_media_select,
tulip_null_media_poll,
tulip_2114x_media_preset,
};
static void
tulip_21140_smc9332_media_probe(
tulip_softc_t * const sc)
{
tulip_media_info_t *mip = sc->tulip_mediainfo;
int idx, cnt = 0;
TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE);
TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
33MHz that comes to two microseconds but wait a
bit longer anyways) */
TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT |
TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS;
sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT;
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET);
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT);
DELAY(200000);
for (idx = 1000; idx > 0; idx--) {
u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) {
if (++cnt > 100)
break;
} else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) {
break;
} else {
cnt = 0;
}
DELAY(1000);
}
sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
TULIP_GP_SMC_9332_INIT,
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|TULIP_CMD_SCRAMBLER);
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
TULIP_GP_SMC_9332_INIT,
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
TULIP_GP_SMC_9332_INIT,
TULIP_CMD_TXTHRSHLDCTL);
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
TULIP_GP_SMC_9332_INIT,
TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
}
static const tulip_boardsw_t tulip_21140_smc9332_boardsw = {
TULIP_21140_SMC_9332,
tulip_21140_smc9332_media_probe,
tulip_media_select,
tulip_null_media_poll,
tulip_2114x_media_preset,
};
static void
tulip_21140_cogent_em100_media_probe(
tulip_softc_t * const sc)
{
tulip_media_info_t *mip = sc->tulip_mediainfo;
sc->tulip_gpinit = TULIP_GP_EM100_PINS;
sc->tulip_gpdata = TULIP_GP_EM100_INIT;
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS);
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT);
TULIP_CSR_WRITE(sc, csr_command,
TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
TULIP_CSR_WRITE(sc, csr_command,
TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
sc->tulip_media = TULIP_MEDIA_100BASETX;
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
TULIP_GP_EM100_INIT,
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|TULIP_CMD_SCRAMBLER);
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
TULIP_GP_EM100_INIT,
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
}
static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = {
TULIP_21140_COGENT_EM100,
tulip_21140_cogent_em100_media_probe,
tulip_media_select,
tulip_null_media_poll,
tulip_2114x_media_preset
};
static void
tulip_21140_znyx_zx34x_media_probe(
tulip_softc_t * const sc)
{
tulip_media_info_t *mip = sc->tulip_mediainfo;
int cnt10 = 0, cnt100 = 0, idx;
sc->tulip_gpinit = TULIP_GP_ZX34X_PINS;
sc->tulip_gpdata = TULIP_GP_ZX34X_INIT;
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS);
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT);
TULIP_CSR_WRITE(sc, csr_command,
TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
TULIP_CSR_WRITE(sc, csr_command,
TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
DELAY(200000);
for (idx = 1000; idx > 0; idx--) {
u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
if ((csr & (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) == (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) {
if (++cnt100 > 100)
break;
} else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) {
if (++cnt10 > 100)
break;
} else {
cnt10 = 0;
cnt100 = 0;
}
DELAY(1000);
}
sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
TULIP_GP_ZX34X_INIT,
TULIP_CMD_TXTHRSHLDCTL);
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
TULIP_GP_ZX34X_INIT,
TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
TULIP_GP_ZX34X_INIT,
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|TULIP_CMD_SCRAMBLER);
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
TULIP_GP_ZX34X_INIT,
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
}
static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = {
TULIP_21140_ZNYX_ZX34X,
tulip_21140_znyx_zx34x_media_probe,
tulip_media_select,
tulip_null_media_poll,
tulip_2114x_media_preset,
};
static void
tulip_2114x_media_probe(
tulip_softc_t * const sc)
{
sc->tulip_cmdmode |= TULIP_CMD_STOREFWD|TULIP_CMD_MUSTBEONE
|TULIP_CMD_BACKOFFCTR;
}
static const tulip_boardsw_t tulip_2114x_isv_boardsw = {
TULIP_21140_ISV,
tulip_2114x_media_probe,
tulip_media_select,
tulip_media_poll,
tulip_2114x_media_preset,
};
/*
* At least in some versions of the driver, all 2114x are mapped to
* tulip_21140_eb_boardsw, so this isn't necessarily going to be
* used. But for possible later use, provide this as a clone of
* the dec evalboard configuration. The Avalon card should look the
* same to the software as the eval card, with the exception of the
* srom format in the early production units.
*/
static const tulip_boardsw_t tulip_2114x_avalon_boardsw = {
TULIP_21140_AVALON,
tulip_21140_evalboard_media_probe,
tulip_media_select,
tulip_null_media_poll,
tulip_2114x_media_preset,
};
/*
* ******** END of chip-specific handlers. ***********
*/
/*
* Code the read the SROM and MII bit streams (I2C)
*/
static void
tulip_delay_300ns(
tulip_softc_t * const sc)
{
int idx;
for (idx = (300 / 33) + 1; idx > 0; idx--)
(void) TULIP_CSR_READ(sc, csr_busmode);
}
#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0)
static void
tulip_srom_idle(
tulip_softc_t * const sc)
{
unsigned bit, csr;
csr = SROMSEL ; EMIT;
csr = SROMSEL | SROMRD; EMIT;
csr ^= SROMCS; EMIT;
csr ^= SROMCLKON; EMIT;
/*
* Write 25 cycles of 0 which will force the SROM to be idle.
*/
for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) {
csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
csr ^= SROMCLKON; EMIT; /* clock high; data valid */
}
csr ^= SROMCLKOFF; EMIT;
csr ^= SROMCS; EMIT;
csr = 0; EMIT;
}
static void
tulip_srom_read(
tulip_softc_t * const sc)
{
int idx;
const unsigned bitwidth = SROM_BITWIDTH;
const unsigned cmdmask = (SROMCMD_RD << bitwidth);
const unsigned msb = 1 << (bitwidth + 3 - 1);
unsigned lastidx = (1 << bitwidth) - 1;
tulip_srom_idle(sc);
for (idx = 0; idx <= lastidx; idx++) {
unsigned lastbit, data, bits, bit, csr;
csr = SROMSEL ; EMIT;
csr = SROMSEL | SROMRD; EMIT;
csr ^= SROMCSON; EMIT;
csr ^= SROMCLKON; EMIT;
lastbit = 0;
for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) {
const unsigned thisbit = bits & msb;
csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
if (thisbit != lastbit) {
csr ^= SROMDOUT; EMIT; /* clock low; invert data */
} else {
EMIT;
}
csr ^= SROMCLKON; EMIT; /* clock high; data valid */
lastbit = thisbit;
}
csr ^= SROMCLKOFF; EMIT;
for (data = 0, bits = 0; bits < 16; bits++) {
data <<= 1;
csr ^= SROMCLKON; EMIT; /* clock high; data valid */
data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0;
csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
}
sc->tulip_rombuf[idx*2] = data & 0xFF;
sc->tulip_rombuf[idx*2+1] = data >> 8;
csr = SROMSEL | SROMRD; EMIT;
csr = 0; EMIT;
}
tulip_srom_idle(sc);
}
#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0)
static void
tulip_mii_writebits(
tulip_softc_t * const sc,
unsigned data,
unsigned bits)
{
unsigned msb = 1 << (bits - 1);
unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
unsigned lastbit = (csr & MII_DOUT) ? msb : 0;
csr |= MII_WR; MII_EMIT; /* clock low; assert write */
for (; bits > 0; bits--, data <<= 1) {
const unsigned thisbit = data & msb;
if (thisbit != lastbit) {
csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */
}
csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
lastbit = thisbit;
csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
}
}
static void
tulip_mii_turnaround(
tulip_softc_t * const sc,
unsigned cmd)
{
unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
if (cmd == MII_WRCMD) {
csr |= MII_DOUT; MII_EMIT; /* clock low; change data */
csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */
} else {
csr |= MII_RD; MII_EMIT; /* clock low; switch to read */
}
csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
}
static unsigned
tulip_mii_readbits(
tulip_softc_t * const sc)
{
unsigned data;
unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
int idx;
for (idx = 0, data = 0; idx < 16; idx++) {
data <<= 1; /* this is NOOP on the first pass through */
csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN)
data |= 1;
csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
}
csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */
return data;
}
static unsigned
tulip_mii_readreg(
tulip_softc_t * const sc,
unsigned devaddr,
unsigned regno)
{
unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
unsigned data;
csr &= ~(MII_RD|MII_CLK); MII_EMIT;
tulip_mii_writebits(sc, MII_PREAMBLE, 32);
tulip_mii_writebits(sc, MII_RDCMD, 8);
tulip_mii_writebits(sc, devaddr, 5);
tulip_mii_writebits(sc, regno, 5);
tulip_mii_turnaround(sc, MII_RDCMD);
data = tulip_mii_readbits(sc);
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_phyregs[regno][0] = data;
sc->tulip_dbg.dbg_phyregs[regno][1]++;
#endif
return data;
}
static void
tulip_mii_writereg(
tulip_softc_t * const sc,
unsigned devaddr,
unsigned regno,
unsigned data)
{
unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
csr &= ~(MII_RD|MII_CLK); MII_EMIT;
tulip_mii_writebits(sc, MII_PREAMBLE, 32);
tulip_mii_writebits(sc, MII_WRCMD, 8);
tulip_mii_writebits(sc, devaddr, 5);
tulip_mii_writebits(sc, regno, 5);
tulip_mii_turnaround(sc, MII_WRCMD);
tulip_mii_writebits(sc, data, 16);
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_phyregs[regno][2] = data;
sc->tulip_dbg.dbg_phyregs[regno][3]++;
#endif
}
#define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF)
#define tulip_srom_crcok(databuf) ( \
((tulip_crc32(databuf, 126) & 0xFFFF) ^ 0xFFFF)== \
((databuf)[126] | ((databuf)[127] << 8)))
static unsigned
tulip_crc32(
const unsigned char *databuf,
size_t datalen)
{
u_int idx, bit, data, crc = 0xFFFFFFFFUL;
for (idx = 0; idx < datalen; idx++)
for (data = *databuf++, bit = 0; bit < 8; bit++, data >>= 1)
crc = (crc >> 1) ^ (((crc ^ data) & 1) ? TULIP_CRC32_POLY : 0);
return crc;
}
static void
tulip_identify_dec_nic(
tulip_softc_t * const sc)
{
strcpy(sc->tulip_boardid, "DEC ");
#define D0 4
if (sc->tulip_chipid <= TULIP_DE425)
return;
if (memcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0
|| memcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) {
memcpy(&sc->tulip_boardid[D0], sc->tulip_rombuf + 29, 8);
sc->tulip_boardid[D0+8] = ' ';
}
#undef D0
}
static void
tulip_identify_znyx_nic(
tulip_softc_t * const sc)
{
unsigned id = 0;
strcpy(sc->tulip_boardid, "ZNYX ZX3XX ");
if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
unsigned znyx_ptr;
sc->tulip_boardid[8] = '4';
znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125];
if (znyx_ptr < 26 || znyx_ptr > 116) {
sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
return;
}
/* ZX344 = 0010 .. 0013FF
*/
if (sc->tulip_rombuf[znyx_ptr] == 0x4A
&& sc->tulip_rombuf[znyx_ptr + 1] == 0x52
&& sc->tulip_rombuf[znyx_ptr + 2] == 0x01) {
id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4];
if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) {
sc->tulip_boardid[9] = '2';
if (id == TULIP_ZNYX_ID_ZX342B) {
sc->tulip_boardid[10] = 'B';
sc->tulip_boardid[11] = ' ';
}
sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
} else if (id == TULIP_ZNYX_ID_ZX344) {
sc->tulip_boardid[10] = '4';
sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
} else if (id == TULIP_ZNYX_ID_ZX345) {
sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5';
} else if (id == TULIP_ZNYX_ID_ZX346) {
sc->tulip_boardid[9] = '6';
} else if (id == TULIP_ZNYX_ID_ZX351) {
sc->tulip_boardid[8] = '5';
sc->tulip_boardid[9] = '1';
}
}
if (id == 0) {
/*
* Assume it's a ZX342...
*/
sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
}
return;
}
sc->tulip_boardid[8] = '1';
if (sc->tulip_chipid == TULIP_21041) {
sc->tulip_boardid[10] = '1';
return;
}
if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) {
id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36];
if (id == TULIP_ZNYX_ID_ZX312T) {
sc->tulip_boardid[9] = '2';
sc->tulip_boardid[10] = 'T';
sc->tulip_boardid[11] = ' ';
sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
} else if (id == TULIP_ZNYX_ID_ZX314_INTA) {
sc->tulip_boardid[9] = '4';
sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
sc->tulip_flags |= TULIP_SHAREDINTR|TULIP_BASEROM;
} else if (id == TULIP_ZNYX_ID_ZX314) {
sc->tulip_boardid[9] = '4';
sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
sc->tulip_flags |= TULIP_BASEROM;
} else if (id == TULIP_ZNYX_ID_ZX315_INTA) {
sc->tulip_boardid[9] = '5';
sc->tulip_flags |= TULIP_SHAREDINTR|TULIP_BASEROM;
} else if (id == TULIP_ZNYX_ID_ZX315) {
sc->tulip_boardid[9] = '5';
sc->tulip_flags |= TULIP_BASEROM;
} else {
id = 0;
}
}
if (id == 0) {
if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 3) == 0) {
sc->tulip_boardid[9] = '4';
sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
sc->tulip_flags |= TULIP_SHAREDINTR|TULIP_BASEROM;
} else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) {
sc->tulip_boardid[9] = '5';
sc->tulip_boardsw = &tulip_21040_boardsw;
sc->tulip_flags |= TULIP_SHAREDINTR|TULIP_BASEROM;
} else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) {
sc->tulip_boardid[9] = '2';
sc->tulip_boardsw = &tulip_21040_boardsw;
}
}
}
static void
tulip_identify_smc_nic(
tulip_softc_t * const sc)
{
u_int32_t id1, id2, ei;
int auibnc = 0, utp = 0;
char *cp;
strcpy(sc->tulip_boardid, "SMC ");
if (sc->tulip_chipid == TULIP_21041)
return;
if (sc->tulip_chipid != TULIP_21040) {
if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
strcpy(&sc->tulip_boardid[4], "9332DST ");
sc->tulip_boardsw = &tulip_21140_smc9332_boardsw;
} else if (sc->tulip_flags & (TULIP_BASEROM|TULIP_SLAVEDROM)) {
strcpy(&sc->tulip_boardid[4], "9332BDT ");
} else {
strcpy(&sc->tulip_boardid[4], "9334BDT ");
}
return;
}
id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8);
id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8);
ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8);
strcpy(&sc->tulip_boardid[4], "8432");
cp = &sc->tulip_boardid[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->tulip_boardid[7] = '4';
*cp++ = '-';
*cp++ = 'C';
*cp++ = 'H';
*cp++ = (ei ? '2' : '1');
}
*cp++ = ' ';
*cp = '\0';
if (utp && !auibnc)
sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
else if (!utp && auibnc)
sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw;
}
static void
tulip_identify_cogent_nic(
tulip_softc_t * const sc)
{
#ifdef HRH_RIP
strcpy(sc->tulip_boardid, "Cogent ");
if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100_ID)
sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
} else if (sc->tulip_chipid == TULIP_21040) {
sc->tulip_flags |= TULIP_SHAREDINTR|TULIP_BASEROM;
}
#endif
}
#if 0
static void
tulip_identify_avalon_nic(
tulip_softc_t * const sc)
{
strcpy(sc->tulip_boardid, "Avalon PMC2TTX");
}
#endif
static void
tulip_identify_asante_nic(
tulip_softc_t * const sc)
{
strcpy(sc->tulip_boardid, "Asante ");
if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A)
&& sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
tulip_media_info_t *mi = sc->tulip_mediainfo;
/*
* The Asante Fast Ethernet doesn't always ship with a valid
* new format SROM. So if isn't in the new format, we cheat
* set it up as if we had.
*/
sc->tulip_gpinit = TULIP_GP_ASANTE_PINS;
sc->tulip_gpdata = 0;
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET);
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET);
DELAY(100);
TULIP_CSR_WRITE(sc, csr_gp, 0);
DELAY(200000);
mi->mi_type = TULIP_MEDIAINFO_MII;
mi->mi_gpr_length = 0;
mi->mi_gpr_offset = 0;
mi->mi_reset_length = 0;
mi->mi_reset_offset = 0;
mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0);
if (mi->mi_phyaddr == TULIP_MII_NOPHY)
return;
sc->tulip_features |= TULIP_HAVE_MII;
mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD;
mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD;
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
}
}
static int
tulip_srom_decode(
tulip_softc_t * const sc)
{
int idx1, idx2, idx3;
const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0];
const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1);
tulip_srom_media_t srom_media;
tulip_media_info_t *mi = sc->tulip_mediainfo;
const u_int8_t *dp;
u_int32_t leaf_offset, blocks, data;
for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) {
if (shp->sh_adapter_count == 1)
break;
if (saip->sai_device == sc->tulip_pci_devno)
break;
}
/*
* Didn't find the right media block for this card.
*/
if (idx1 == shp->sh_adapter_count)
return 0;
/*
* Save the hardware address.
*/
memcpy((void *) sc->tulip_enaddr, (void *) shp->sh_ieee802_address, 6);
/*
* If this is a multiple port card, add the adapter index to the last
* byte of the hardware address. (if it isn't multiport, adding 0
* won't hurt.
*/
sc->tulip_enaddr[5] += idx1;
leaf_offset = saip->sai_leaf_offset_lowbyte
+ saip->sai_leaf_offset_highbyte * 256;
dp = sc->tulip_rombuf + leaf_offset;
sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2;
for (idx2 = 0;; idx2++) {
if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype
|| tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED)
break;
}
sc->tulip_connidx = idx2;
if (sc->tulip_chipid == TULIP_21041) {
blocks = *dp++;
for (idx2 = 0; idx2 < blocks; idx2++) {
tulip_media_t media;
data = *dp++;
srom_media = (tulip_srom_media_t) (data & 0x3F);
for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
break;
}
media = tulip_srom_mediums[idx3].sm_type;
if (media != TULIP_MEDIA_UNKNOWN) {
if (data & TULIP_SROM_21041_EXTENDED) {
mi->mi_type = TULIP_MEDIAINFO_SIA;
sc->tulip_mediums[media] = mi;
mi->mi_sia_connectivity = dp[0] + dp[1] * 256;
mi->mi_sia_tx_rx = dp[2] + dp[3] * 256;
mi->mi_sia_general = dp[4] + dp[5] * 256;
mi++;
} else {
switch (media) {
case TULIP_MEDIA_BNC: {
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC);
mi++;
break;
}
case TULIP_MEDIA_AUI: {
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI);
mi++;
break;
}
case TULIP_MEDIA_10BASET: {
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET);
mi++;
break;
}
case TULIP_MEDIA_10BASET_FD: {
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD);
mi++;
break;
}
default: {
break;
}
}
}
}
if (data & TULIP_SROM_21041_EXTENDED)
dp += 6;
}
#ifdef notdef
if (blocks == 0) {
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++;
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++;
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++;
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++;
}
#endif
} else {
unsigned length, type;
tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN;
if (sc->tulip_features & TULIP_HAVE_GPR)
sc->tulip_gpinit = *dp++;
blocks = *dp++;
for (idx2 = 0; idx2 < blocks; idx2++) {
const u_int8_t *ep;
if ((*dp & 0x80) == 0) {
length = 4;
type = 0;
} else {
length = (*dp++ & 0x7f) - 1;
type = *dp++ & 0x3f;
}
ep = dp + length;
switch (type & 0x3f) {
case 0: { /* 21140[A] GPR block */
tulip_media_t media;
srom_media = (tulip_srom_media_t) dp[0];
for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
break;
}
media = tulip_srom_mediums[idx3].sm_type;
if (media == TULIP_MEDIA_UNKNOWN)
break;
mi->mi_type = TULIP_MEDIAINFO_GPR;
sc->tulip_mediums[media] = mi;
mi->mi_gpdata = dp[1];
if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) {
sc->tulip_gpdata = mi->mi_gpdata;
gp_media = media;
}
data = dp[2] + dp[3] * 256;
mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
if (data & TULIP_SROM_2114X_NOINDICATOR) {
mi->mi_actmask = 0;
} else {
#if 0
mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
#endif
mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
}
mi++;
break;
}
case 1: { /* 21140[A] MII block */
const unsigned phyno = *dp++;
mi->mi_type = TULIP_MEDIAINFO_MII;
mi->mi_gpr_length = *dp++;
mi->mi_gpr_offset = dp - sc->tulip_rombuf;
dp += mi->mi_gpr_length;
mi->mi_reset_length = *dp++;
mi->mi_reset_offset = dp - sc->tulip_rombuf;
dp += mi->mi_reset_length;
/*
* Before we probe for a PHY, use the GPR information
* to select it. If we don't, it may be inaccessible.
*/
TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET);
for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) {
DELAY(10);
TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]);
}
sc->tulip_phyaddr = mi->mi_phyaddr;
for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) {
DELAY(10);
TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]);
}
mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
if (mi->mi_phyaddr == TULIP_MII_NOPHY)
break;
sc->tulip_features |= TULIP_HAVE_MII;
mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2;
mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2;
mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2;
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
mi++;
break;
}
case 2: { /* 2114[23] SIA block */
tulip_media_t media;
srom_media = (tulip_srom_media_t) dp[0];
for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
break;
}
media = tulip_srom_mediums[idx3].sm_type;
if (media == TULIP_MEDIA_UNKNOWN)
break;
mi->mi_type = TULIP_MEDIAINFO_SIA;
sc->tulip_mediums[media] = mi;
if (type & 0x40) {
mi->mi_sia_connectivity = dp[0] + dp[1] * 256;
mi->mi_sia_tx_rx = dp[2] + dp[3] * 256;
mi->mi_sia_general = dp[4] + dp[5] * 256;
dp += 6;
} else {
switch (media) {
case TULIP_MEDIA_BNC: {
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC);
break;
}
case TULIP_MEDIA_AUI: {
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI);
break;
}
case TULIP_MEDIA_10BASET: {
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET);
break;
}
case TULIP_MEDIA_10BASET_FD: {
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD);
break;
}
default: {
goto bad_media;
}
}
}
mi->mi_sia_gp_control = (dp[0] + dp[1] * 256) << 16;
mi->mi_sia_gp_data = (dp[2] + dp[3] * 256) << 16;
mi++;
bad_media:
break;
}
case 3: { /* 2114[23] MII PHY block */
const unsigned phyno = *dp++;
const u_int8_t *dp0;
mi->mi_type = TULIP_MEDIAINFO_MII;
mi->mi_gpr_length = *dp++;
mi->mi_gpr_offset = dp - sc->tulip_rombuf;
dp += 2 * mi->mi_gpr_length;
mi->mi_reset_length = *dp++;
mi->mi_reset_offset = dp - sc->tulip_rombuf;
dp += 2 * mi->mi_reset_length;
dp0 = &sc->tulip_rombuf[mi->mi_reset_offset];
for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) {
DELAY(10);
TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
}
sc->tulip_phyaddr = mi->mi_phyaddr;
dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset];
for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) {
DELAY(10);
TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
}
mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
if (mi->mi_phyaddr == TULIP_MII_NOPHY)
break;
sc->tulip_features |= TULIP_HAVE_MII;
mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2;
mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2;
mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2;
mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2;
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
mi++;
break;
}
case 4: { /* 21143 SYM block */
tulip_media_t media;
srom_media = (tulip_srom_media_t) dp[0];
for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
break;
}
media = tulip_srom_mediums[idx3].sm_type;
if (media == TULIP_MEDIA_UNKNOWN)
break;
mi->mi_type = TULIP_MEDIAINFO_SYM;
sc->tulip_mediums[media] = mi;
mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16;
mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16;
data = dp[5] + dp[6] * 256;
mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
if (data & TULIP_SROM_2114X_NOINDICATOR) {
mi->mi_actmask = 0;
} else {
mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
}
mi++;
break;
}
#if 0
case 5: { /* 21143 Reset block */
mi->mi_type = TULIP_MEDIAINFO_RESET;
mi->mi_reset_length = *dp++;
mi->mi_reset_offset = dp - sc->tulip_rombuf;
dp += 2 * mi->mi_reset_length;
mi++;
break;
}
#endif
default: {
}
}
dp = ep;
}
}
return mi - sc->tulip_mediainfo;
}
static const struct {
void (*vendor_identify_nic)(tulip_softc_t * const sc);
unsigned char vendor_oui[3];
} tulip_vendors[] = {
{ tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } },
{ tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } },
{ tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } },
{ tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } },
{ tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } },
{ tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } },
{ tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } },
#if 0
{ tulip_identify_avalon_nic, { 0x00, 0x80, 0xe0 } },
{ tulip_identify_avalon_nic, { 0x02, 0xbb, 0x01 } },
#else
{ tulip_identify_dec_nic, { 0x00, 0x80, 0xe0 } },
{ tulip_identify_dec_nic, { 0x02, 0xbb, 0x01 } },
#endif
{ NULL }
};
/*
* This deals with the vagaries of the address roms and the
* brain-deadness that various vendors commit in using them.
*/
static int
tulip_read_macaddr(
tulip_softc_t * const sc)
{
int cksum, rom_cksum, idx;
u_int32_t csr;
unsigned char tmpbuf[8];
static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA };
sc->tulip_connidx = TULIP_SROM_LASTCONNIDX;
if (sc->tulip_chipid == TULIP_21040) {
TULIP_CSR_WRITE(sc, csr_enetrom, 1);
for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
int cnt = 0;
while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000)
cnt++;
sc->tulip_rombuf[idx] = csr & 0xFF;
}
sc->tulip_boardsw = &tulip_21040_boardsw;
#if defined(TULIP_EISA)
} else if (sc->tulip_chipid == TULIP_DE425) {
int cnt;
for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) {
tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom);
if (tmpbuf[idx] == testpat[idx])
++idx;
else
idx = 0;
}
for (idx = 0; idx < 32; idx++)
sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom);
sc->tulip_boardsw = &tulip_21040_boardsw;
#endif /* TULIP_EISA */
} else {
if (sc->tulip_chipid == TULIP_21041) {
/*
* Thankfully all 21041's act the same.
*/
sc->tulip_boardsw = &tulip_21041_boardsw;
} else {
/*
* Assume all 21140 board are compatible with the
* DEC 10/100 evaluation board. Not really valid but
* it's the best we can do until every one switches to
* the new SROM format.
*/
sc->tulip_boardsw = &tulip_21140_eb_boardsw;
}
tulip_srom_read(sc);
if (tulip_srom_crcok(sc->tulip_rombuf)) {
/*
* SROM CRC is valid therefore it must be in the
* new format.
*/
sc->tulip_features |= TULIP_HAVE_ISVSROM;
} else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) {
/*
* No checksum is present. See if the SROM id checks out;
* the first 18 bytes should be 0 followed by a 1 followed
* by the number of adapters (which we don't deal with yet).
*/
for (idx = 0; idx < 18; idx++) {
if (sc->tulip_rombuf[idx] != 0)
break;
}
if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0)
sc->tulip_features |= TULIP_HAVE_ISVSROM;
}
if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) {
if (sc->tulip_chipid != TULIP_21041)
sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
/*
* If the SROM specifies more than one adapter, tag this as a
* BASE rom.
*/
if (sc->tulip_rombuf[19] > 1)
sc->tulip_flags |= TULIP_BASEROM;
if (sc->tulip_boardsw == NULL)
return -6;
goto check_oui;
}
}
if (memcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) {
/*
* Detect early Avalon 100-TX PMC cards with magic number followed
* by hw addr. These should all have been upgraded by now. It's an
* electronic eeprom write-in-place, so there's no excuse not to...
*/
if (memcmp("AC5E", sc->tulip_rombuf, 4) == 0) {
panic("PMC2TTX: old format Avalon srom, reprogram hw addr");
#if 0
printf("ade%d: Warning: reinit srom! Old Avalon format!",
cf->cf_unit);
memcpy(sc->tulip_enaddr, sc->tulip_rombuf + 4, 6);
sc->tulip_flags |= TULIP_ROMOK;
goto check_oui;
#endif
}
/*
* Some folks don't use the standard ethernet rom format
* but instead just put the address in the first 6 bytes
* of the rom and let the rest be all 0xffs. (Can we say
* ZNYX???) (well sometimes they put in a checksum so we'll
* start at 8).
*/
for (idx = 8; idx < 32; idx++) {
if (sc->tulip_rombuf[idx] != 0xFF)
return -4;
}
/*
* Make sure the address is not multicast or locally assigned
* that the OUI is not 00-00-00.
*/
if ((sc->tulip_rombuf[0] & 3) != 0)
return -4;
if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0
&& sc->tulip_rombuf[2] == 0)
return -4;
memcpy(sc->tulip_enaddr, sc->tulip_rombuf, 6);
sc->tulip_flags |= TULIP_ROMOK;
goto check_oui;
} else {
/*
* A number of makers of multiport boards (ZNYX and Cogent)
* only put on one address ROM on their 21040 boards. So
* if the ROM is all zeros (or all 0xFFs), look at the
* previous configured boards (as long as they are on the same
* PCI bus and the bus number is non-zero) until we find the
* master board with address ROM. We then use its address ROM
* as the base for this board. (we add our relative board
* to the last byte of its address).
*/
for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF)
break;
}
if (idx == sizeof(sc->tulip_rombuf)) {
int root_unit;
tulip_softc_t *root_sc = NULL;
for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) {
root_sc = TULIP_UNIT_TO_SOFTC(root_unit);
if (root_sc == NULL || (root_sc->tulip_flags & (TULIP_ROMOK|TULIP_SLAVEDROM)) == TULIP_ROMOK)
break;
root_sc = NULL;
}
if (root_sc != NULL && (root_sc->tulip_flags & TULIP_BASEROM)
&& root_sc->tulip_chipid == sc->tulip_chipid
&& root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
sc->tulip_flags |= TULIP_SLAVEDROM;
sc->tulip_boardsw = root_sc->tulip_boardsw;
strcpy(sc->tulip_boardid, root_sc->tulip_boardid);
if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) {
memcpy(sc->tulip_rombuf, root_sc->tulip_rombuf,
sizeof(sc->tulip_rombuf));
if (!tulip_srom_decode(sc))
return -5;
} else {
memcpy(sc->tulip_enaddr, root_sc->tulip_enaddr, 6);
sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit;
}
/*
* Now for a truly disgusting kludge: all 4 21040s on
* the ZX314 share the same INTA line so the mapping
* setup by the BIOS on the PCI bridge is worthless.
* Rather than reprogramming the value in the config
* register, we will handle this internally.
*/
if (root_sc->tulip_flags & TULIP_SHAREDINTR) {
sc->tulip_slaves = root_sc->tulip_slaves;
root_sc->tulip_slaves = sc;
sc->tulip_flags |= TULIP_SLAVEDINTR;
}
return 0;
}
}
}
/*
* This is the standard DEC address ROM test.
*/
if (memcmp(&sc->tulip_rombuf[24], testpat, 8) != 0)
return -3;
tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14];
tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12];
tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10];
tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8];
if (memcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0)
return -2;
memcpy(sc->tulip_enaddr, sc->tulip_rombuf, 6);
cksum = *(u_int16_t *) &sc->tulip_enaddr[0];
cksum *= 2;
if (cksum > 65535) cksum -= 65535;
cksum += *(u_int16_t *) &sc->tulip_enaddr[2];
if (cksum > 65535) cksum -= 65535;
cksum *= 2;
if (cksum > 65535) cksum -= 65535;
cksum += *(u_int16_t *) &sc->tulip_enaddr[4];
if (cksum >= 65535) cksum -= 65535;
rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6];
if (cksum != rom_cksum)
return -1;
check_oui:
/*
* Check for various boards based on OUI. Did I say braindead?
*/
for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) {
if (memcmp((void *) sc->tulip_enaddr,
(void *) tulip_vendors[idx].vendor_oui, 3) == 0) {
(*tulip_vendors[idx].vendor_identify_nic)(sc);
break;
}
}
sc->tulip_flags |= TULIP_ROMOK;
return 0;
}
static void
tulip_ifmedia_add(
tulip_softc_t * const sc)
{
tulip_media_t media;
int medias = 0;
for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
if (sc->tulip_mediums[media] != NULL) {
ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media],
0, 0);
medias++;
}
}
if (medias == 0) {
ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0);
ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE);
} else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0);
ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO);
} else {
ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]);
sc->tulip_flags |= TULIP_PRINTMEDIA;
tulip_linkup(sc, sc->tulip_media);
}
}
static int
tulip_ifmedia_change(
struct ifnet * const ifp)
{
tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
sc->tulip_flags |= TULIP_NEEDRESET;
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
sc->tulip_media = TULIP_MEDIA_UNKNOWN;
if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) {
tulip_media_t media;
for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
if (sc->tulip_mediums[media] != NULL
&& sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) {
sc->tulip_flags |= TULIP_PRINTMEDIA;
sc->tulip_flags &= ~TULIP_DIDNWAY;
tulip_linkup(sc, media);
return 0;
}
}
}
sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT);
tulip_reset(sc);
tulip_init(sc);
return 0;
}
/*
* Media status callback
*/
static void
tulip_ifmedia_status(
struct ifnet * const ifp,
struct ifmediareq *req)
{
tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp);
#if defined(__bsdi__)
if (sc->tulip_mii.mii_instance != 0) {
mii_pollstat(&sc->tulip_mii);
req->ifm_active = sc->tulip_mii.mii_media_active;
req->ifm_status = sc->tulip_mii.mii_media_status;
return;
}
#endif
if (sc->tulip_media == TULIP_MEDIA_UNKNOWN)
return;
req->ifm_status = IFM_AVALID;
if (sc->tulip_flags & TULIP_LINKUP)
req->ifm_status |= IFM_ACTIVE;
req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media];
}
static void
tulip_addr_filter(
tulip_softc_t * const sc)
{
struct ether_multistep step;
struct ether_multi *enm;
sc->tulip_flags &= ~(TULIP_WANTHASH|TULIP_ALLMULTI);
sc->tulip_flags |= TULIP_WANTSETUP;
sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
#if defined(IFF_ALLMULTI)
sc->tulip_if.if_flags &= ~IFF_ALLMULTI;
#endif
if (sc->tulip_multicnt > 14) {
/*
* Some early passes of the 21140 have broken multicast hashes.
* When we get too many multicasts with these chips, we have to
* switch into all-multicast mode.
*/
if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) {
sc->tulip_flags |= TULIP_ALLMULTI;
} else {
u_int32_t *sp = sc->tulip_setupdata;
unsigned hash;
/*
* If we have more than 14 multicasts, we have
* go into hash perfect mode (512 bit multicast
* hash and one perfect hardware).
*/
memset(sc->tulip_setupdata, 0, sizeof(sc->tulip_setupdata));
ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm);
while (enm != NULL) {
if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) {
hash = tulip_mchash(enm->enm_addrlo);
sp[hash >> 4] |= 1 << (hash & 0xF);
} else {
sc->tulip_flags |= TULIP_ALLMULTI;
break;
}
ETHER_NEXT_MULTI(step, enm);
}
/*
* No reason to use a hash if we are going to be
* receiving every multicast.
*/
if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
hash = tulip_mchash(etherbroadcastaddr);
sp[hash >> 4] |= 1 << (hash & 0xF);
sc->tulip_flags |= TULIP_WANTHASH;
sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0];
sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1];
sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2];
}
}
}
if ((sc->tulip_flags & TULIP_WANTHASH) == 0) {
u_int32_t *sp = sc->tulip_setupdata;
int idx = 0;
if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
/*
* Else can get perfect filtering for 16 addresses.
*/
ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm);
for (; enm != NULL; idx++) {
if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) {
*sp++ = ((u_int16_t *) enm->enm_addrlo)[0];
*sp++ = ((u_int16_t *) enm->enm_addrlo)[1];
*sp++ = ((u_int16_t *) enm->enm_addrlo)[2];
} else {
sc->tulip_flags |= TULIP_ALLMULTI;
break;
}
ETHER_NEXT_MULTI(step, enm);
}
/*
* Add the broadcast address.
*/
idx++;
*sp++ = 0xFFFF;
*sp++ = 0xFFFF;
*sp++ = 0xFFFF;
}
/*
* Pad the rest with our hardware address
*/
for (; idx < 16; idx++) {
*sp++ = ((u_int16_t *) sc->tulip_enaddr)[0];
*sp++ = ((u_int16_t *) sc->tulip_enaddr)[1];
*sp++ = ((u_int16_t *) sc->tulip_enaddr)[2];
}
}
#if defined(IFF_ALLMULTI)
if (sc->tulip_flags & TULIP_ALLMULTI)
sc->tulip_if.if_flags |= IFF_ALLMULTI;
#endif
}
static void
tulip_reset(
tulip_softc_t * const sc)
{
tulip_ringinfo_t *ri;
tulip_desc_t *di;
u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET);
debug_sc = sc;
/*
* Brilliant. Simply brilliant. When switching modes/speeds
* on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS
* bits in CSR6 and then do a software reset to get the 21140
* to properly reset its internal pathways to the right places.
* Grrrr.
*/
if (sc->tulip_boardsw->bd_media_preset != NULL)
(*sc->tulip_boardsw->bd_media_preset)(sc);
TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
33MHz that comes to two microseconds but wait a
bit longer anyways) */
if (!inreset) {
sc->tulip_flags |= TULIP_INRESET;
sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW);
sc->tulip_if.if_flags &= ~IFF_OACTIVE;
}
TULIP_CSR_WRITE(sc, csr_txlist, a12map(TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])));
TULIP_CSR_WRITE(sc, csr_rxlist, a12map(TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])));
if(cputype==ST_AVALON_A12)
TULIP_CSR_WRITE(sc, csr_busmode, 0x00008100);
else {
TULIP_CSR_WRITE(sc, csr_busmode,
(1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8))
|TULIP_BUSMODE_CACHE_ALIGN8
|TULIP_BUSMODE_READMULTIPLE
|(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_BIGENDIAN : 0));
}
sc->tulip_txtimer = 0;
#ifdef LCLDMA
reset_lcl_dma(sc);
#endif
sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS;
/*
* Free all the mbufs that were on the transmit ring.
*/
for (;;) {
struct mbuf *m;
IF_DEQUEUE(&sc->tulip_txq, m);
if (m == NULL)
break;
m_freem(m);
}
ri = &sc->tulip_txinfo;
ri->ri_nextin = ri->ri_nextout = ri->ri_first;
ri->ri_free = ri->ri_max;
for (di = ri->ri_first; di < ri->ri_last; di++)
setstatus(di,0);
/*
* We need to collect all the mbufs on the
* receive ring before we reinit it either to put
* them back on or to know if we have to allocate
* more.
*/
ri = &sc->tulip_rxinfo;
ri->ri_nextin = ri->ri_nextout = ri->ri_first;
ri->ri_free = ri->ri_max;
for (di = ri->ri_first; di < ri->ri_last; di++) {
BEGIN(di);
t.d_status = 0;
t.d_length1= 0;
t.d_length2= 0;
#ifndef LCLDMA
t.d_addr1 = 0;
t.d_addr2 = 0;
#endif
END(di);
}
for (;;) {
struct mbuf *m;
IF_DEQUEUE(&sc->tulip_rxq, m);
if (m == NULL)
break;
m_freem(m);
}
/*
* If tulip_reset is being called recurisvely, exit quickly knowing
* that when the outer tulip_reset returns all the right stuff will
* have happened.
*/
if (inreset)
return;
sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR
|TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED
|TULIP_STS_TXBABBLE|TULIP_STS_LINKFAIL|TULIP_STS_RXSTOPPED;
if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0)
(*sc->tulip_boardsw->bd_media_select)(sc);
#if defined(TULIP_DEBUG)
if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET)
printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n",
TULIP_PRINTF_ARGS);
#endif
tulip_media_print(sc);
if (sc->tulip_features & TULIP_HAVE_DUALSENSE)
TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status));
sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET
|TULIP_RXACT);
tulip_addr_filter(sc);
}
static void
tulip_init(
tulip_softc_t * const sc)
{
if (sc->tulip_if.if_flags & IFF_UP) {
if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) {
/* initialize the media */
tulip_reset(sc);
}
sc->tulip_if.if_flags |= IFF_RUNNING;
if (sc->tulip_if.if_flags & IFF_PROMISC) {
sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS;
} else {
sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS;
if (sc->tulip_flags & TULIP_ALLMULTI) {
sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI;
} else {
sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI;
}
}
sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) {
tulip_rx_intr(sc);
sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
} else {
sc->tulip_if.if_flags |= IFF_OACTIVE;
sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
}
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
tulip_ifstart(&sc->tulip_if);
} else {
sc->tulip_if.if_flags &= ~IFF_RUNNING;
tulip_reset(sc);
}
}
static void
tulip_rx_intr(
tulip_softc_t * const sc)
{
tulip_ringinfo_t * const ri = &sc->tulip_rxinfo;
struct ifnet * const ifp = &sc->tulip_if;
int fillok = 1;
#if defined(TULIP_DEBUG)
int cnt = 0;
#endif
for (;;) {
struct ether_header eh;
tulip_desc_t *eop = ri->ri_nextin;
int total_len = 0, last_offset = 0;
struct mbuf *ms = NULL, *me = NULL;
int accept = 0;
if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET)
goto queue_mbuf;
#if defined(TULIP_DEBUG)
if (cnt == ri->ri_max)
break;
#endif
/*
* If the TULIP has no descriptors, there can't be any receive
* descriptors to process.
*/
if (eop == ri->ri_nextout)
break;
/*
* 90% of the packets will fit in one descriptor. So we optimize
* for that case.
*/
if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) {
IF_DEQUEUE(&sc->tulip_rxq, ms);
me = ms;
} else {
/*
* If still owned by the TULIP, don't touch it.
*/
if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER)
break;
/*
* It is possible (though improbable unless the BIG_PACKET support
* is enabled or MCLBYTES < 1518) for a received packet to cross
* more than one receive descriptor.
*/
while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) {
#if defined(LCLDMA) && defined(DIAGNOSTIC)
panic("tulip descriptor count > 1");
#endif
if (++eop == ri->ri_last)
eop = ri->ri_first;
if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) {
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_rxintrs++;
sc->tulip_dbg.dbg_rxpktsperintr[cnt]++;
#endif
return;
}
total_len++;
}
/*
* Dequeue the first buffer for the start of the packet. Hopefully
* this will be the only one we need to dequeue. However, if the
* packet consumed multiple descriptors, then we need to dequeue
* those buffers and chain to the starting mbuf. All buffers but
* the last buffer have the same length so we can set that now.
* (we add to last_offset instead of multiplying since we normally
* won't go into the loop and thereby saving a ourselves from
* doing a multiplication by 0 in the normal case).
*/
IF_DEQUEUE(&sc->tulip_rxq, ms);
for (me = ms; total_len > 0; total_len--) {
me->m_len = TULIP_RX_BUFLEN;
last_offset += TULIP_RX_BUFLEN;
IF_DEQUEUE(&sc->tulip_rxq, me->m_next);
me = me->m_next;
}
}
/*
* Now get the size of received packet (minus the CRC).
*/
total_len = ((eop->d_status >> 16) & 0x7FFF) - 4;
/* good packet ? */
if ((eop->d_status & TULIP_DSTS_ERRSUM) == 0
|| (sc->tulip_flags & TULIP_RXBAD)
#ifdef BIG_PACKET
|| (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) &&
(eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT|
TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC|
TULIP_DSTS_RxOVERFLOW)) == 0)
#endif
) {
me->m_len = total_len - last_offset;
eh = *mtod(ms, struct ether_header *);
#if NBPFILTER > 0
if (sc->tulip_bpf != NULL) {
if (me == ms)
TULIP_BPF_TAP(sc, mtod(ms, void *), total_len);
else
TULIP_BPF_MTAP(sc, ms);
}
#endif
if ((sc->tulip_if.if_flags & IFF_PROMISC)
&& (eh.ether_dhost[0] & 1) == 0
&& !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr))
goto next;
accept = 1;
sc->tulip_flags |= TULIP_RXACT;
} else {
ifp->if_ierrors++;
if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) {
sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
} else {
const char *error = NULL;
if (eop->d_status & TULIP_DSTS_RxTOOLONG) {
sc->tulip_dot3stats.dot3StatsFrameTooLongs++;
error = "frame too long";
}
if (eop->d_status & TULIP_DSTS_RxBADCRC) {
if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) {
sc->tulip_dot3stats.dot3StatsAlignmentErrors++;
error = "alignment error";
} else {
sc->tulip_dot3stats.dot3StatsFCSErrors++;
error = "bad crc";
}
}
if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) {
printf(TULIP_PRINTF_FMT ": receive: " TULIP_EADDR_FMT ": %s\n",
TULIP_PRINTF_ARGS,
TULIP_EADDR_ARGS(mtod(ms, u_char *) + 6),
error);
sc->tulip_flags |= TULIP_NOMESSAGES;
}
}
}
next:
#if defined(TULIP_DEBUG)
cnt++;
#endif
ifp->if_ipackets++;
if (++eop == ri->ri_last)
eop = ri->ri_first;
ri->ri_nextin = eop;
queue_mbuf:
/*
* Either we are priming the TULIP with mbufs (m == NULL)
* or we are about to accept an mbuf for the upper layers
* so we need to allocate an mbuf to replace it. If we
* can't replace it, send up it anyways. This may cause
* us to drop packets in the future but that's better than
* being caught in livelock.
*
* Note that if this packet crossed multiple descriptors
* we don't even try to reallocate all the mbufs here.
* Instead we rely on the test of the beginning of
* the loop to refill for the extra consumed mbufs.
*/
if (accept || ms == NULL) {
struct mbuf *m0;
MGETHDR(m0, M_DONTWAIT, MT_DATA);
if (m0 != NULL) {
#if defined(TULIP_COPY_RXDATA)
if (!accept || total_len >= MHLEN - 2) {
#endif
#if defined(LCLDMA)
MCLGET(m0, M_DONTWAIT);
if ((m0->m_flags & M_EXT) == 0) {
m_freem(m0);
m0 = NULL;
}
#endif /* defined(LCLDMA) */
#if defined(TULIP_COPY_RXDATA)
}
#endif
}
if (accept
#if defined(TULIP_COPY_RXDATA)
&& m0 != NULL
#endif
) {
#if defined(__bsdi__)
eh.ether_type = ntohs(eh.ether_type);
#endif
#if !defined(TULIP_COPY_RXDATA)
ms->m_pkthdr.len = total_len;
ms->m_pkthdr.rcvif = ifp;
#if defined(__NetBSD__)
(*ifp->if_input)(ifp, ms);
#else
m_adj(ms, sizeof(struct ether_header);
ether_input(ifp, &eh, ms);
#endif /* __NetBSD__ */
#ifdef LCLDMA
#error LCLDMA requires TULIP_COPY_RXDATA
#endif
#else
#ifdef BIG_PACKET
#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA
#endif
m0->m_data += 2; /* align data after header */
m_copydata(ms, 0, total_len, mtod(m0, void *));
m0->m_len = m0->m_pkthdr.len = total_len;
m0->m_pkthdr.rcvif = ifp;
#if defined(__NetBSD__)
(*ifp->if_input)(ifp, m0);
#else
m_adj(m0, sizeof(struct ether_header);
ether_input(ifp, &eh, m0);
#endif /* __NetBSD__ */
m0 = ms;
#endif /* ! TULIP_COPY_RXDATA */
}
ms = m0;
}
if (ms == NULL) {
/*
* Couldn't allocate a new buffer. Don't bother
* trying to replenish the receive queue.
*/
fillok = 0;
sc->tulip_flags |= TULIP_RXBUFSLOW;
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_rxlowbufs++;
#endif
continue;
}
/*
* Now give the buffer(s) to the TULIP and save in our
* receive queue.
*/
#ifdef LCLDMA
/*
* Made it almost to the end without any separate LCLDMA
* code. (Other than debugging.) That took some planning.
* If we are priming the rx ring, we have a main-memory
* mbuf cluster that we really can't use. Otherwise, we
* recycle them efficiently.
*/
if ((ms->m_flags & M_EXT) == 0) { /* not one of ours */
int ring_entry_number = ri->ri_nextout - ri->ri_first;
MEXTADD(ms, sc->tulip_rx_kva[ring_entry_number],
TULIP_RX_BUFLEN, MT_DATA, donothing, 0);
}
#ifdef TULIP_DEBUG
if (ms->m_next != NULL)
panic("tulip lcldma rx unexpected chain");
if (ri->ri_nextout->d_addr1
!= a12map(TULIP_KVATOPHYS(sc, mtod(ms, void *))))
panic("tulip LCLDMA rx d_addr1");
#endif
#endif
do {
BEGIN(ri->ri_nextout);
t.d_length1 = TULIP_RX_BUFLEN;
t.d_addr1 = a12map(TULIP_KVATOPHYS(sc, mtod(ms, void *)));
END(ri->ri_nextout);
setstatus(ri->ri_nextout,TULIP_DSTS_OWNER);
if (++ri->ri_nextout == ri->ri_last)
ri->ri_nextout = ri->ri_first;
me = ms->m_next;
ms->m_next = NULL;
IF_ENQUEUE(&sc->tulip_rxq, ms);
} while ((ms = me) != NULL);
if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET)
sc->tulip_flags &= ~TULIP_RXBUFSLOW;
}
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_rxintrs++;
sc->tulip_dbg.dbg_rxpktsperintr[cnt]++;
#endif
}
static int
tulip_tx_intr(
tulip_softc_t * const sc)
{
tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
struct mbuf *m;
int xmits = 0;
int f;
while (ri->ri_free < ri->ri_max) {
if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER)
break;
f = ri->ri_nextin->d_flag; /* potentially non-cached RAM */
if (f & TULIP_DFLAG_TxLASTSEG) {
if (f & TULIP_DFLAG_TxSETUPPKT) {
/*
* We've just finished processing a setup packet.
* Mark that we finished it. If there's not
* another pending, startup the TULIP receiver.
* Make sure we ack the RXSTOPPED so we won't get
* an abormal interrupt indication.
*/
sc->tulip_flags &= ~TULIP_DOINGSETUP;
if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) {
tulip_rx_intr(sc);
sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
}
} else {
tulip_desc_t * const nextin = ri->ri_nextin;
IF_DEQUEUE(&sc->tulip_txq, m);
m_freem(m);
if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK;
if (nextin->d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) {
#if defined(TULIP_DEBUG)
if (nextin->d_status & TULIP_DSTS_TxNOCARR)
sc->tulip_dbg.dbg_txprobe_nocarr++;
if (nextin->d_status & TULIP_DSTS_TxEXCCOLL)
sc->tulip_dbg.dbg_txprobe_exccoll++;
#endif
event = TULIP_MEDIAPOLL_TXPROBE_FAILED;
}
(*sc->tulip_boardsw->bd_media_poll)(sc, event);
/*
* Escape from the loop before media poll has reset the TULIP!
*/
break;
} else {
xmits++;
if (nextin->d_status & TULIP_DSTS_ERRSUM) {
sc->tulip_if.if_oerrors++;
if (nextin->d_status & TULIP_DSTS_TxEXCCOLL)
sc->tulip_dot3stats.dot3StatsExcessiveCollisions++;
if (nextin->d_status & TULIP_DSTS_TxLATECOLL)
sc->tulip_dot3stats.dot3StatsLateCollisions++;
if (nextin->d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS))
sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++;
if (nextin->d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE))
sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++;
} else {
u_int32_t collisions =
(nextin->d_status & TULIP_DSTS_TxCOLLMASK)
>> TULIP_DSTS_V_TxCOLLCNT;
sc->tulip_if.if_collisions += collisions;
if (collisions == 1)
sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++;
else if (collisions > 1)
sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++;
else if (nextin->d_status & TULIP_DSTS_TxDEFERRED)
sc->tulip_dot3stats.dot3StatsDeferredTransmissions++;
/*
* SQE is only valid for 10baseT/BNC/AUI when not
* running in full-duplex. In order to speed up the
* test, the corresponding bit in tulip_flags needs to
* set as well to get us to count SQE Test Errors.
*/
if (nextin->d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags)
sc->tulip_dot3stats.dot3StatsSQETestErrors++;
}
}
}
}
if (++ri->ri_nextin == ri->ri_last)
ri->ri_nextin = ri->ri_first;
ri->ri_free++;
if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
sc->tulip_if.if_flags &= ~IFF_OACTIVE;
}
/*
* If nothing left to transmit, disable the timer.
* Else if progress, reset the timer back to 2 ticks.
*/
if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE))
sc->tulip_txtimer = 0;
else if (xmits > 0)
sc->tulip_txtimer = TULIP_TXTIMER;
sc->tulip_if.if_opackets += xmits;
return xmits;
}
static void
tulip_print_abnormal_interrupt(
tulip_softc_t * const sc,
u_int32_t csr)
{
const char * const *msgp = tulip_status_bits;
const char *sep;
csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1;
printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS);
for (sep = " "; csr != 0; csr >>= 1, msgp++) {
if ((csr & 1) && *msgp != NULL) {
printf("%s%s", sep, *msgp);
sep = ", ";
}
}
printf("\n");
}
static void
tulip_intr_handler(
tulip_softc_t * const sc,
int *progress_p)
{
u_int32_t csr;
while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) {
*progress_p = 1;
TULIP_CSR_WRITE(sc, csr_status, csr);
if (csr & TULIP_STS_SYSERROR) {
sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT;
if (sc->tulip_flags & TULIP_NOMESSAGES) {
sc->tulip_flags |= TULIP_SYSTEMERROR;
} else {
printf(TULIP_PRINTF_FMT ": system error: %s\n",
TULIP_PRINTF_ARGS,
tulip_system_errors[sc->tulip_last_system_error]);
}
sc->tulip_flags |= TULIP_NEEDRESET;
sc->tulip_system_errors++;
break;
}
if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL)) {
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_link_intrs++;
#endif
if (sc->tulip_boardsw->bd_media_poll != NULL) {
(*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL
? TULIP_MEDIAPOLL_LINKFAIL
: TULIP_MEDIAPOLL_LINKPASS);
csr &= ~TULIP_STS_ABNRMLINTR;
}
tulip_media_print(sc);
}
if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) {
u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames);
if (csr & TULIP_STS_RXNOBUF)
sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF;
/*
* Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data
* on receive overflows.
*/
if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBUGGY)) {
/*
* Stop the receiver process and spin until it's stopped.
* Tell rx_intr to drop the packets it dequeues.
*/
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN);
while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0)
;
TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
sc->tulip_flags |= TULIP_RXBAD;
}
tulip_rx_intr(sc);
if (sc->tulip_flags & TULIP_RXBAD) {
/*
* Restart the receiver.
*/
sc->tulip_flags &= ~TULIP_RXBAD;
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
}
}
if (csr & TULIP_STS_ABNRMLINTR) {
u_int32_t tmp = csr & sc->tulip_intrmask
& ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR);
if (sc->tulip_flags & TULIP_NOMESSAGES) {
sc->tulip_statusbits |= tmp;
} else {
tulip_print_abnormal_interrupt(sc, tmp);
sc->tulip_flags |= TULIP_NOMESSAGES;
}
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
}
if (sc->tulip_txinfo.ri_free < sc->tulip_txinfo.ri_max) {
tulip_tx_intr(sc);
if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
tulip_ifstart(&sc->tulip_if);
}
}
if (sc->tulip_flags & TULIP_NEEDRESET) {
tulip_reset(sc);
tulip_init(sc);
}
}
#if defined(TULIP_USE_SOFTINTR)
/*
* This is a experimental idea to alleviate problems due to interrupt
* livelock. What is interrupt livelock? It's when you spend all your
* time servicing device interrupts and never drop below device ipl
* to do "useful" work.
*
* So what we do here is see if the device needs service and if so,
* disable interrupts (dismiss the interrupt), place it in a list of devices
* needing service, and issue a network software interrupt.
*
* When our network software interrupt routine gets called, we simply
* walk done the list of devices that we have created and deal with them
* at splnet/splsoftnet.
*
*/
static void
tulip_hardintr_handler(
tulip_softc_t * const sc,
int *progress_p)
{
if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0)
return;
*progress_p = 1;
/*
* disable interrupts
*/
TULIP_CSR_WRITE(sc, csr_intr, 0);
/*
* mark it as needing a software interrupt
*/
tulip_softintr_mask |= (1U << sc->tulip_unit);
}
static void
tulip_softintr(
void)
{
u_int32_t softintr_mask, mask;
int progress = 0;
int unit;
tulip_spl_t s;
/*
* Copy mask to local copy and reset global one to 0.
*/
s = TULIP_RAISESPL();
softintr_mask = tulip_softintr_mask;
tulip_softintr_mask = 0;
TULIP_RESTORESPL(s);
/*
* Optimize for the single unit case.
*/
if (tulip_softintr_max_unit == 0) {
if (softintr_mask & 1) {
tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(0);
/*
* Handle the "interrupt" and then reenable interrupts
*/
softintr_mask = 0;
tulip_intr_handler(sc, &progress);
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
}
return;
}
/*
* Handle all "queued" interrupts in a round robin fashion.
* This is done so as not to favor a particular interface.
*/
unit = tulip_softintr_last_unit;
mask = (1U << unit);
while (softintr_mask != 0) {
if (tulip_softintr_max_unit == unit) {
unit = 0; mask = 1;
} else {
unit += 1; mask <<= 1;
}
if (softintr_mask & mask) {
tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(unit);
/*
* Handle the "interrupt" and then reenable interrupts
*/
softintr_mask ^= mask;
tulip_intr_handler(sc, &progress);
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
}
}
/*
* Save where we ending up.
*/
tulip_softintr_last_unit = unit;
}
#endif /* TULIP_USE_SOFTINTR */
static tulip_intrfunc_t
tulip_intr_shared(
void *arg)
{
tulip_softc_t * sc;
int progress = 0;
for (sc = (tulip_softc_t *) arg; sc != NULL; sc = sc->tulip_slaves) {
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_intrs++;
#endif
#if defined(TULIP_USE_SOFTINTR)
tulip_hardintr_handler(sc, &progress);
#else
tulip_intr_handler(sc, &progress);
#endif
}
#if defined(TULIP_USE_SOFTINTR)
if (progress)
schednetisr(NETISR_DE);
#endif
#if !defined(TULIP_VOID_INTRFUNC)
return progress;
#endif
}
static tulip_intrfunc_t
tulip_intr_normal(
void *arg)
{
tulip_softc_t * sc = (tulip_softc_t *) arg;
int progress = 0;
#if defined(TULIP_DEBUG)
sc->tulip_dbg.dbg_intrs++;
#endif
#if defined(TULIP_USE_SOFTINTR)
tulip_hardintr_handler(sc, &progress);
if (progress)
schednetisr(NETISR_DE);
#else
tulip_intr_handler(sc, &progress);
#endif
#if !defined(TULIP_VOID_INTRFUNC)
return progress;
#endif
}
/*
* This routine is entered at splnet() (splsoftnet() on NetBSD)
* and thereby imposes no problems when TULIP_USE_SOFTINTR is
* defined or not.
*/
static int
tulip_ifioctl(
struct ifnet * const ifp,
ioctl_cmd_t cmd,
void *data)
{
tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
struct ifaddr *ifa = (struct ifaddr *)data;
struct ifreq *ifr = (struct ifreq *) data;
tulip_spl_t s;
int error = 0;
#if defined(TULIP_USE_SOFTINTR)
s = TULIP_RAISESOFTSPL();
#else
s = TULIP_RAISESPL();
#endif
switch (cmd) {
case SIOCSIFADDR: {
ifp->if_flags |= IFF_UP;
switch(ifa->ifa_addr->sa_family) {
#ifdef INET
case AF_INET: {
tulip_init(sc);
TULIP_ARP_IFINIT(sc, ifa);
break;
}
#endif /* INET */
#ifdef NS
/*
* This magic copied from if_is.c; I don't use XNS,
* so I have no way of telling if this actually
* works or not.
*/
case AF_NS: {
struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
if (ns_nullhost(*ina)) {
ina->x_host = *(union ns_host *)(sc->tulip_enaddr);
} else {
ifp->if_flags &= ~IFF_RUNNING;
memcpy((void *)sc->tulip_enaddr,
(void *)ina->x_host.c_host,
sizeof(sc->tulip_enaddr));
}
tulip_init(sc);
break;
}
#endif /* NS */
default: {
tulip_init(sc);
break;
}
}
break;
}
case SIOCGIFADDR: {
memcpy((void *) ((struct sockaddr *)&ifr->ifr_data)->sa_data,
(void *) sc->tulip_enaddr, 6);
break;
}
case SIOCSIFFLAGS: {
tulip_init(sc);
break;
}
#if defined(SIOCSIFMEDIA)
case SIOCSIFMEDIA:
case SIOCGIFMEDIA: {
error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd);
break;
}
#endif
case SIOCADDMULTI:
case SIOCDELMULTI: {
/*
* Update multicast listeners
*/
if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) {
if (ifp->if_flags & IFF_RUNNING) {
tulip_addr_filter(sc); /* reset multicast filtering */
tulip_init(sc);
}
error = 0;
}
break;
}
#if defined(SIOCSIFMTU)
#if !defined(ifr_mtu)
#define ifr_mtu ifr_metric
#endif
case SIOCSIFMTU:
/*
* Set the interface MTU.
*/
if (ifr->ifr_mtu > ETHERMTU
#ifdef BIG_PACKET
&& sc->tulip_chipid != TULIP_21140
&& sc->tulip_chipid != TULIP_21140A
&& sc->tulip_chipid != TULIP_21041
#endif
) {
error = EINVAL;
break;
}
if ((error = ifioctl_common(ifp, cmd, data)) == ENETRESET) {
#ifdef BIG_PACKET
tulip_reset(sc);
tulip_init(sc);
#endif
error = 0;
}
break;
#endif /* SIOCSIFMTU */
#ifdef SIOCGADDRROM
case SIOCGADDRROM: {
error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf));
break;
}
#endif
#ifdef SIOCGCHIPID
case SIOCGCHIPID: {
ifr->ifr_metric = (int) sc->tulip_chipid;
break;
}
#endif
default: {
error = EINVAL;
break;
}
}
TULIP_RESTORESPL(s);
return error;
}
#if 0
static void htnote(char * );
static void htnote(char *s) {
if(hrh_trace)
hrh_check_status(s);
}
#endif
/*
* This routine gets called at device spl (from ether_output). This might
* pose a problem for TULIP_USE_SOFTINTR if ether_output is called at
* device spl from another driver.
*/
static ifnet_ret_t
tulip_ifstart(
struct ifnet * const ifp)
{
tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
struct ifqueue * const ifq = &ifp->if_snd;
tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
struct mbuf *m, *m0, *next_m0;
if ((ifp->if_flags & IFF_RUNNING) == 0
&& (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
return;
for (;;) {
tulip_desc_t *eop, *nextout;
int segcnt, free, recopy;
u_int32_t d_status;
if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) {
#if defined(TULIP_DEBUG)
if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) {
printf(TULIP_PRINTF_FMT ": ifstart: tx not running\n",
TULIP_PRINTF_ARGS);
ifp->if_flags |= IFF_OACTIVE;
return;
}
#endif
if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) {
ifp->if_flags |= IFF_OACTIVE;
return;
}
memcpy(sc->tulip_setupbuf, sc->tulip_setupdata,
sizeof(sc->tulip_setupdata));
sc->tulip_flags &= ~TULIP_WANTSETUP;
sc->tulip_flags |= TULIP_DOINGSETUP;
ri->ri_free--;
nextout = ri->ri_nextout;
BEGIN(nextout);
t.d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
t.d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG
|TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR;
if (sc->tulip_flags & TULIP_WANTHASH)
t.d_flag |= TULIP_DFLAG_TxHASHFILT;
t.d_length1 = sizeof(sc->tulip_setupdata);
#ifdef LCLDMA
a12r2pb(sc->tulip_setupbuf,
sc->tulip_tx_kva[nextout-ri->ri_first],
sizeof(sc->tulip_setupbuf));
if (a12map(TULIP_KVATOPHYS(
sc, sc->tulip_tx_kva[nextout-ri->ri_first]))
!= nextout->d_addr1)
panic("tulip tx 1");
#else
t.d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf);
#endif
t.d_length2 = 0;
t.d_addr2 = 0;
END(nextout);
/*
* Advance the ring for the next transmit packet.
*/
if (++ri->ri_nextout == ri->ri_last)
ri->ri_nextout = ri->ri_first;
/*
* Make sure the next descriptor is owned by us since it
* may have been set up above if we ran out of room in the
* ring.
*/
setstatus(ri->ri_nextout,0);
setstatus(nextout, TULIP_DSTS_OWNER);
TULIP_CSR_WRITE(sc, csr_txpoll, 1);
}
IF_DEQUEUE(ifq, m);
if (m == NULL)
break;
#if defined(TULIP_DEBUG)
if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) {
printf(TULIP_PRINTF_FMT ": ifstart%s: tx not running\n",
TULIP_PRINTF_ARGS,
(sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : "");
ifp->if_flags |= IFF_OACTIVE;
IF_PREPEND(ifq, m);
return;
}
#endif
/*
* Now we try to fill in our transmit descriptors. This is
* a bit reminiscent of going on the Ark two by two
* since each descriptor for the TULIP can describe
* two buffers. So we advance through packet filling
* each of the two entries at a time to to fill each
* descriptor. Clear the first and last segment bits
* in each descriptor (actually just clear everything
* but the end-of-ring or chain bits) to make sure
* we don't get messed up by previously sent packets.
*
* We may fail to put the entire packet on the ring if
* there is either not enough ring entries free or if the
* packet has more than MAX_TXSEG segments. In the former
* case we will just wait for the ring to empty. In the
* latter case we have to recopy.
*/
d_status = 0;
recopy = 0;
eop = nextout = ri->ri_nextout;
m0 = m;
segcnt = 0;
free = ri->ri_free;
/* Create a chain of descriptors tracking the chain of mbufs */
do {
int len = m0->m_len;
void *addr = mtod(m0, void *);
unsigned clsize = PAGE_SIZE - (((u_long) addr) & PGOFSET);
next_m0 = m0->m_next;
while (len > 0) {
unsigned slen = min(len, clsize);
#ifdef BIG_PACKET
int partial = 0;
if (slen >= 2048)
slen = 2040, partial = 1;
#endif
segcnt++;
if (segcnt > TULIP_MAX_TXSEG) {
recopy = 1;
next_m0 = NULL; /* to break out of outside loop */
break;
}
if (segcnt & 1) {
if (--free <= 0) {
/*
* There's no more room but since nothing
* has been committed at this point, just
* show output is active, put back the
* mbuf and return.
*/
ifp->if_flags |= IFF_OACTIVE;
IF_PREPEND(ifq, m);
return;
}
eop = nextout;
if (++nextout == ri->ri_last)
nextout = ri->ri_first;
BEGIN(eop);
t.d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
t.d_status = d_status;
#ifdef LCLDMA
slen = m->m_pkthdr.len;
if (slen > TULIP_TX_BUFLEN)
panic("tulip lcldma tx 2");
a12_m_copydata(m,0,slen,
sc->tulip_tx_kva[eop - ri->ri_first]);
#if defined(TULIP_DEBUG)
if (sc->tulip_tx_kva[eop - ri->ri_first]
!= a12map(TULIP_KVATOPHYS(sc,eop->d_addr1)))
panic("tulip lcldma tx 3");
#endif
t.d_length1 = slen;
next_m0 = NULL;
#else
t.d_addr1 = TULIP_KVATOPHYS(sc, addr);
t.d_length1 = slen;
#endif
END(eop);
} else {
/*
* Fill in second half of descriptor
*/
if(cputype==ST_AVALON_A12)
panic("tulip lcldma tx 3.5");
eop->d_addr2 = TULIP_KVATOPHYS(sc, addr);
eop->d_length2 = slen;
}
d_status = TULIP_DSTS_OWNER;
len -= slen;
addr += slen;
#ifdef BIG_PACKET
if (partial)
continue;
#endif
clsize = PAGE_SIZE;
}
} while ((m0 = next_m0) != NULL);
/*
* The packet exceeds the number of transmit buffer
* entries that we can use for one packet, so we have
* recopy it into one mbuf and then try again.
*/
if (recopy) {
MGETHDR(m0, M_DONTWAIT, MT_DATA);
if (m0 != NULL) {
if (m->m_pkthdr.len > MHLEN) {
MCLGET(m0, M_DONTWAIT);
if ((m0->m_flags & M_EXT) == 0) {
m_freem(m);
m_freem(m0);
continue;
}
}
m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, void *));
m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len;
IF_PREPEND(ifq, m0);
}
m_freem(m);
continue;
}
/*
* The descriptors have been filled in. Now get ready
* to transmit.
*/
#if NBPFILTER > 0
if (sc->tulip_bpf != NULL)
TULIP_BPF_MTAP(sc, m);
#endif
IF_ENQUEUE(&sc->tulip_txq, m);
/*
* Make sure the next descriptor after this packet is owned
* by us since it may have been set up above if we ran out
* of room in the ring.
*/
setstatus(nextout,0);
/*
* If we only used the first segment of the last descriptor,
* make sure the second segment will not be used.
*/
BEGIN(eop);
if (segcnt & 1) {
t.d_addr2 = 0;
t.d_length2 = 0;
}
/*
* Mark the last and first segments, indicate we want a transmit
* complete interrupt, give the descriptors to the TULIP, and tell
* it to transmit!
*/
t.d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR;
END(eop);
/*
* Note that ri->ri_nextout is still the start of the packet
* and until we set the OWNER bit, we can still back out of
* everything we have done.
*/
BEGIN(ri->ri_nextout);
t.d_flag |= TULIP_DFLAG_TxFIRSTSEG;
t.d_status = TULIP_DSTS_OWNER;
END(ri->ri_nextout);
/*
* This advances the ring for us.
*/
ri->ri_nextout = nextout;
ri->ri_free = free;
TULIP_CSR_WRITE(sc, csr_txpoll, 1);
if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
ifp->if_flags |= IFF_OACTIVE;
return;
}
if (sc->tulip_txtimer == 0)
sc->tulip_txtimer = TULIP_TXTIMER;
}
if (m != NULL) {
ifp->if_flags |= IFF_OACTIVE;
IF_PREPEND(ifq, m);
}
}
/*
* Even though this routine runs at device spl, it does not break
* our use of splnet (splsoftnet under NetBSD) for the majority
* of this driver (if TULIP_USE_SOFTINTR defined) since
* if_watcbog is called from if_watchdog which is called from
* splsoftclock which is below spl[soft]net.
*/
static void
tulip_ifwatchdog(
struct ifnet *ifp)
{
tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
#if defined(TULIP_DEBUG)
u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs;
if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz)
sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs;
sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs;
#endif /* TULIP_DEBUG */
sc->tulip_if.if_timer = 1;
/*
* These should be rare so do a bulk test up front so we can just skip
* them if needed.
*/
if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) {
/*
* If the number of receive buffer is low, try to refill
*/
if (sc->tulip_flags & TULIP_RXBUFSLOW)
tulip_rx_intr(sc);
if (sc->tulip_flags & TULIP_SYSTEMERROR) {
printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n",
TULIP_PRINTF_ARGS, sc->tulip_system_errors,
tulip_system_errors[sc->tulip_last_system_error]);
}
if (sc->tulip_statusbits) {
tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits);
sc->tulip_statusbits = 0;
}
sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR);
}
if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) {
printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS);
if (TULIP_DO_AUTOSENSE(sc)) {
sc->tulip_media = TULIP_MEDIA_UNKNOWN;
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP);
}
tulip_reset(sc);
tulip_init(sc);
}
}
#if defined(__bsdi__) || (defined(__FreeBSD__) && BSD < 199506)
static ifnet_ret_t
tulip_ifwatchdog_wrapper(
int unit)
{
tulip_ifwatchdog(&TULIP_UNIT_TO_SOFTC(unit)->tulip_if);
}
#define tulip_ifwatchdog tulip_ifwatchdog_wrapper
#endif
/*
* All printf's are real as of now!
*/
#ifdef printf
#undef printf
#endif
#if !defined(IFF_NOTRAILERS)
#define IFF_NOTRAILERS 0
#endif
static void
tulip_attach(
tulip_softc_t * const sc)
{
struct ifnet * const ifp = &sc->tulip_if;
ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST;
ifp->if_ioctl = tulip_ifioctl;
ifp->if_start = tulip_ifstart;
ifp->if_watchdog = tulip_ifwatchdog;
ifp->if_timer = 1;
#if (!defined(__bsdi__) || _BSDI_VERSION < 199401) && !defined(__NetBSD__)
ifp->if_output = ether_output;
#endif
#if defined(__bsdi__) && _BSDI_VERSION < 199401
ifp->if_mtu = ETHERMTU;
#endif
#if defined(__bsdi__) && _BSDI_VERSION >= 199510
aprint_naive(": DEC Ethernet");
aprint_normal(": %s%s", sc->tulip_boardid,
tulip_chipdescs[sc->tulip_chipid]);
aprint_verbose(" pass %d.%d", (sc->tulip_revinfo & 0xF0) >> 4,
sc->tulip_revinfo & 0x0F);
printf("\n");
sc->tulip_pf = aprint_normal;
aprint_normal(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n",
TULIP_PRINTF_ARGS,
TULIP_EADDR_ARGS(sc->tulip_enaddr));
#else
printf(
#if defined(__bsdi__)
"\n"
#endif
TULIP_PRINTF_FMT ": %s%s pass %d.%d\n",
TULIP_PRINTF_ARGS,
sc->tulip_boardid,
tulip_chipdescs[sc->tulip_chipid],
(sc->tulip_revinfo & 0xF0) >> 4,
sc->tulip_revinfo & 0x0F);
printf(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n",
TULIP_PRINTF_ARGS,
TULIP_EADDR_ARGS(sc->tulip_enaddr));
#endif
#if defined(__alpha__)
/*
* In case the SRM console told us about a bogus media,
* we need to check to be safe.
*/
if (sc->tulip_mediums[sc->tulip_media] == NULL) {
sc->tulip_media = TULIP_MEDIA_UNKNOWN;
}
#endif
ifmedia_init(&sc->tulip_ifmedia, 0,
tulip_ifmedia_change,
tulip_ifmedia_status);
(*sc->tulip_boardsw->bd_media_probe)(sc);
sc->tulip_flags &= ~TULIP_DEVICEPROBE;
tulip_ifmedia_add(sc);
tulip_reset(sc);
#if defined(__bsdi__) && _BSDI_VERSION >= 199510
sc->tulip_pf = printf;
TULIP_ETHER_IFATTACH(sc);
#else
if_attach(ifp);
#if defined(__NetBSD__) || (defined(__FreeBSD__) && BSD >= 199506)
TULIP_ETHER_IFATTACH(sc);
#endif
#endif /* __bsdi__ */
}
static void
tulip_initcsrs(
tulip_softc_t * const sc,
tulip_csrptr_t csr_base,
size_t csr_size)
{
sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size;
sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size;
sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size;
sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size;
sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size;
sc->tulip_csrs.csr_status = csr_base + 5 * csr_size;
sc->tulip_csrs.csr_command = csr_base + 6 * csr_size;
sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size;
sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size;
sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size;
sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size;
sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size;
sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size;
sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size;
sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size;
sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size;
#if defined(TULIP_EISA)
sc->tulip_csrs.csr_enetrom = csr_base + DE425_ENETROM_OFFSET;
#endif
}
/* XXX. In the long run, these don't belong here in a driver */
void *lcl_dma_ram_next(int);
void lcl_dma_restart(void);
void lcl_dma_restart(void) {
/* lcl_dma_ram_next(-1); */
}
#include <alpha/pci/a12creg.h>
static void * LCLDMAstart = (void *)ALPHA_PHYS_TO_K0SEG(A12_PCIBuffer);
static int lclpcisize = 128*1024;
void *
lcl_dma_ram_next(int size)
{
static void *first;
void *t;
if (first==0L /* || size==-1 */) {
first = LCLDMAstart;
}
t = first;
first += size;
if (first > LCLDMAstart + lclpcisize) {
#ifdef TULIP_DEBUG
printf("first=%p LCLDMAstart=%p lclpcisize=%p\n",
first, LCLDMAstart, lclpcisize);
#endif
panic("tulip lcldma next");
}
return t;
}
static char *lcl_dma_retrace;
void lcl_dma_start_check(void);
void
lcl_dma_start_check(void)
{
lcl_dma_retrace = LCLDMAstart;
}
void *lcl_dma_ram_next_check(int);
void *
lcl_dma_ram_next_check(int size)
{
void *t = lcl_dma_retrace;
lcl_dma_retrace += size;
return t;
}
/*
* For LCLDMA, we need to use local memory for both the descriptors
* and for the buffers, and we need to easily be able to recall the
* buffer addresses.
*/
#ifdef LCLDMA
tulip_softc_t *debug_sc;
#if 0
static void a12pbs(tulip_softc_t * const sc, u_int32_t *base, void *kva) {
u_int32_t p;
p = a12map(TULIP_KVATOPHYS(sc,kva));
a12r2pb(&p, base, sizeof(p));
}
#endif
static void
tulip_initring(
tulip_softc_t * const sc,
tulip_ringinfo_t * const ri,
tulip_desc_t *descs,
void **kvalist,
int ndescs)
{
int i, dsize = sizeof descs[0] * ndescs;
debug_sc = sc;
ri->ri_max = ndescs;
(void)lcl_dma_ram_next(16); /* superstitiously avoid the origin */
ri->ri_first = (tulip_desc_t *)lcl_dma_ram_next(dsize);
memset(ri->ri_first, 0, dsize);
for(i=0; i<ndescs; ++i) {
kvalist[i] = lcl_dma_ram_next(TULIP_XX_BUFLEN);
BEGIN(ri->ri_first+i);
memset(&t, 0, sizeof(t));
t.d_addr1 = a12map(TULIP_KVATOPHYS(sc,kvalist[i]));
END(ri->ri_first+i);
}
ri->ri_last = ri->ri_first + ri->ri_max;
BEGIN(ri->ri_last-1);
t.d_flag = TULIP_DFLAG_ENDRING;
END(ri->ri_last-1);
dumpring(kvalist);
}
static void dumpring(void **kvalist) {
#if 0
long *d = (long *)0xfffffc8020000000L;
int k;
for(k=0; k<10; ++k)
printf("kvalist[%d] = %16lx\n", k, kvalist[k]);
for(k=0; k<20; ++k)
printf("%03x: %16lx %16lx %16lx %16lx\n",
k*4*8,
d[k*4],
d[k*4+1],
d[k*4+2],
d[k*4+3]);
#endif
}
/*
* This doesn't do anything other than check that the ring hasn't been
* changed since tulip_pci_attach()
*/
static void
tulip_ring_reset(
tulip_softc_t * const sc,
tulip_ringinfo_t * const ri,
tulip_desc_t *descs,
void **kvalist,
int ndescs)
{
int i;
int q;
tulip_desc_t *t;
t = 0; /* -Wall */
for(i=q=0; i<ndescs; ++i) {
if (q) {
printf("d_flag %d = %x\n", i-1, t->d_flag);
goto die;
}
t = ri->ri_first + i;
if (t->d_addr1 != a12map(TULIP_KVATOPHYS(sc,kvalist[i]))) {
printf("&a1=%lx t->d_addr1=%x a12map(...)=%x\n",
&t->d_addr1,
t->d_addr1,
a12map(TULIP_KVATOPHYS(sc,kvalist[i])));
dumpring(kvalist);
goto die;
}
if (t->d_addr2) {
printf("t->d_addr2=%x\n",t->d_addr2);
goto die;
}
q = t->d_flag & TULIP_DFLAG_ENDRING;
}
if (q)
return;
printf("final d_flag = %x\n", t->d_flag);
die: panic("tulip ring corrupted");
}
static void
reset_lcl_dma(tulip_softc_t * const sc)
{
tulip_ring_reset(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, sc->tulip_rx_kva,
TULIP_RXDESCS);
tulip_ring_reset(sc, &sc->tulip_txinfo, sc->tulip_txdescs, sc->tulip_tx_kva,
TULIP_TXDESCS);
}
#else
static void
tulip_initring( /* the usual case */
tulip_softc_t * const sc,
tulip_ringinfo_t * const ri,
tulip_desc_t *descs,
void **kvalist;
int ndescs)
{
ri->ri_max = ndescs;
ri->ri_first = descs;
ri->ri_last = ri->ri_first + ri->ri_max;
memset((void *) ri->ri_first, 0, sizeof(ri->ri_first[0]) * ri->ri_max);
ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING;
}
#endif
/*
* This is the PCI configuration support. Since the 21040 is available
* on both EISA and PCI boards, one must be careful in how defines the
* 21040 in the config file.
*/
#define PCI_CFID 0x00 /* Configuration ID */
#define PCI_CFCS 0x04 /* Configurtion Command/Status */
#define PCI_CFRV 0x08 /* Configuration Revision */
#define PCI_CFLT 0x0c /* Configuration Latency Timer */
#define PCI_CBIO 0x10 /* Configuration Base IO Address */
#define PCI_CBMA 0x14 /* Configuration Base Memory Address */
#define PCI_CFIT 0x3c /* Configuration Interrupt */
#define PCI_CFDA 0x40 /* Configuration Driver Area */
#if defined(TULIP_EISA)
static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 };
#endif
#if defined(__FreeBSD__)
#define TULIP_PCI_ATTACH_ARGS pcici_t config_id, int unit
#define TULIP_SHUTDOWN_ARGS int howto, void *arg
#if defined(TULIP_DEVCONF)
static void tulip_shutdown(TULIP_SHUTDOWN_ARGS);
static int
tulip_pci_shutdown(
struct kern_devconf * const kdc,
int force)
{
if (kdc->kdc_unit < TULIP_MAX_DEVICES) {
tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(kdc->kdc_unit);
if (sc != NULL)
tulip_shutdown(0, sc);
}
(void) dev_detach(kdc);
return 0;
}
#endif
static char*
tulip_pci_probe(
pcici_t config_id,
pcidi_t device_id)
{
if (cputype != ST_AVALON_A12) /* XXX */
return NULL;
if (PCI_VENDORID(device_id) != DEC_VENDORID)
return NULL;
if (PCI_CHIPID(device_id) == CHIPID_21040)
return "Digital 21040 Ethernet";
if (PCI_CHIPID(device_id) == CHIPID_21041)
return "Digital 21041 Ethernet";
if (PCI_CHIPID(device_id) == CHIPID_21140) {
u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF;
if (revinfo >= 0x20)
return "Digital 21140A Fast Ethernet";
else
return "Digital 21140 Fast Ethernet";
}
if (PCI_CHIPID(device_id) == CHIPID_21142) {
u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF;
if (revinfo >= 0x20)
return "Digital 21143 Fast Ethernet";
else
return "Digital 21142 Fast Ethernet";
}
return NULL;
}
static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS);
static u_long tulip_pci_count;
struct pci_device adedevice = {
"ade",
tulip_pci_probe,
tulip_pci_attach,
&tulip_pci_count,
#if defined(TULIP_DEVCONF)
tulip_pci_shutdown,
#endif
};
DATA_SET (pcidevice_set, adedevice);
#endif /* __FreeBSD__ */
#if defined(__bsdi__)
#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void *const aux
#define TULIP_SHUTDOWN_ARGS void *arg
static int
tulip_pci_match(
pci_devaddr_t *pa)
{
int irq;
unsigned id;
id = pci_inl(pa, PCI_VENDOR_ID);
if (PCI_VENDORID(id) != DEC_VENDORID)
return 0;
id = PCI_CHIPID(id);
if (id != CHIPID_21040 && id != CHIPID_21041
&& id != CHIPID_21140 && id != CHIPID_21142)
return 0;
irq = pci_inl(pa, PCI_I_LINE) & 0xFF;
if (irq == 0 || irq >= 16) {
printf("ade?: invalid IRQ %d; skipping\n", irq);
return 0;
}
return 1;
}
static int
tulip_probe(
struct device *parent,
struct cfdata *cf,
void *aux)
{
struct isa_attach_args * const ia = (struct isa_attach_args *) aux;
unsigned irq, slot;
pci_devaddr_t *pa;
#if _BSDI_VERSION >= 199401
switch (ia->ia_bustype) {
case BUS_PCI:
#endif
pa = pci_scan(tulip_pci_match);
if (pa == NULL)
return 0;
irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF));
/* Get the base address; assume the BIOS set it up correctly */
#if defined(TULIP_IOMAPPED)
ia->ia_maddr = NULL;
ia->ia_msize = 0;
ia->ia_iobase = pci_inl(pa, PCI_CBIO) & ~7;
pci_outl(pa, PCI_CBIO, 0xFFFFFFFF);
ia->ia_iosize = ((~pci_inl(pa, PCI_CBIO)) | 7) + 1;
pci_outl(pa, PCI_CBIO, (int) ia->ia_iobase);
/* Disable memory space access */
pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~2);
#else
ia->ia_maddr = (void *) (pci_inl(pa, PCI_CBMA) & ~7);
pci_outl(pa, PCI_CBMA, 0xFFFFFFFF);
ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1;
pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr);
ia->ia_iobase = 0;
ia->ia_iosize = 0;
/* Disable I/O space access */
pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1);
#endif /* TULIP_IOMAPPED */
ia->ia_aux = (void *) pa;
#if _BSDI_VERSION >= 199401
break;
#if defined(TULIP_EISA)
case BUS_EISA: {
unsigned tmp;
if ((slot = eisa_match(cf, ia)) == 0)
return 0;
ia->ia_iobase = slot << 12;
ia->ia_iosize = EISA_NPORT;
eisa_slotalloc(slot);
tmp = inb(ia->ia_iobase + DE425_CFG0);
irq = tulip_eisa_irqs[(tmp >> 1) & 0x03];
/*
* Until BSD/OS likes level interrupts, force
* the DE425 into edge-triggered mode.
*/
if ((tmp & 1) == 0)
outb(ia->ia_iobase + DE425_CFG0, tmp | 1);
/*
* CBIO needs to map to the EISA slot
* enable I/O access and Master
*/
outl(ia->ia_iobase + DE425_CBIO, ia->ia_iobase);
outl(ia->ia_iobase + DE425_CFCS, 5 | inl(ia->ia_iobase + DE425_CFCS));
ia->ia_aux = NULL;
break;
}
#endif /* TULIP_EISA */
default:
return 0;
}
#endif
/* PCI bus masters don't use host DMA channels */
ia->ia_drq = DRQNONE;
if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) {
printf("ade%d: error: desired IRQ of %d does not match device's "
"actual IRQ of %d,\n",
cf->cf_unit,
ffs(ia->ia_irq) - 1, ffs(irq) - 1);
return 0;
}
if (ia->ia_irq == IRQUNK)
ia->ia_irq = irq;
#ifdef IRQSHARE
ia->ia_irq |= IRQSHARE;
#endif
return 1;
}
static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS);
#if defined(TULIP_EISA)
static char *tulip_eisa_ids[] = {
"DEC4250",
NULL
};
#endif
struct cfdriver decd = {
0, "ade", tulip_probe, tulip_pci_attach,
#if _BSDI_VERSION >= 199401
DV_IFNET,
#endif
sizeof(tulip_softc_t),
#if defined(TULIP_EISA)
tulip_eisa_ids
#endif
};
#endif /* __bsdi__ */
#if defined(__NetBSD__)
#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void *const aux
#define TULIP_SHUTDOWN_ARGS void *arg
static int
tulip_pci_probe(
struct device *parent,
struct cfdata *match,
void *aux)
{
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID)
return 0;
if (PCI_CHIPID(pa->pa_id) == CHIPID_21040
|| PCI_CHIPID(pa->pa_id) == CHIPID_21041
|| PCI_CHIPID(pa->pa_id) == CHIPID_21140
|| PCI_CHIPID(pa->pa_id) == CHIPID_21142)
return 1;
return 0;
}
static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS);
CFATTACH_DECL(ade, sizeof(tulip_softc_t),
tulip_pci_probe, tulip_pci_attach, NULL, NULL);
#endif /* __NetBSD__ */
static void
tulip_shutdown(
TULIP_SHUTDOWN_ARGS)
{
tulip_softc_t * const sc = arg;
TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
33MHz that comes to two microseconds but wait a
bit longer anyways) */
}
static void
tulip_pci_attach(
TULIP_PCI_ATTACH_ARGS)
{
#if defined(__FreeBSD__)
tulip_softc_t *sc;
#define PCI_CONF_WRITE(r, v) pci_conf_write(config_id, (r), (v))
#define PCI_CONF_READ(r) pci_conf_read(config_id, (r))
#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = ((config_id.cfg1 >> 16) & 0xFF), /* XXX */ \
(sc)->tulip_pci_devno = ((config_id.cfg1 >> 11) & 0x1F))) /* XXX */
#endif
#if defined(__bsdi__)
tulip_softc_t * const sc = (tulip_softc_t *) self;
struct isa_attach_args * const ia = (struct isa_attach_args *) aux;
pci_devaddr_t *pa = (pci_devaddr_t *) ia->ia_aux;
const int unit = sc->tulip_dev.dv_unit;
#define PCI_CONF_WRITE(r, v) pci_outl(pa, (r), (v))
#define PCI_CONF_READ(r) pci_inl(pa, (r))
#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = pa->d_bus, \
(sc)->tulip_pci_devno = pa->d_agent))
#endif
#if defined(__NetBSD__)
tulip_softc_t * const sc = (tulip_softc_t *) self;
struct pci_attach_args * const pa = (struct pci_attach_args *) aux;
const int unit = device_unit(&sc->tulip_dev);
#ifdef THIS_IS_THE_ORIGINAL_HRH_DRIVER_USING_THE_NOW_DEFUNCT_PCI_MEM_FIND
bus_addr_t regbase;
bus_size_t regsize;
int cacheable;
#else
#ifdef PCI_PREFER_IOSPACE
error error error error
#endif
#endif
#define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v))
#define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r))
#define PCI_GETBUSDEVINFO(sc) do { \
int busno, devno, funcno; \
pci_decompose_tag(pa->pa_pc, pa->pa_tag, &busno, &devno, &funcno); \
(sc)->tulip_pci_busno = busno; \
(sc)->tulip_pci_devno = devno; \
} while (0)
#endif /* __NetBSD__ */
int retval, idx;
u_int32_t revinfo, cfdainfo, id;
#if !defined(TULIP_IOMAPPED) && defined(__FreeBSD__)
paddr_t pa_csrs;
#endif
unsigned csroffset = TULIP_PCI_CSROFFSET;
unsigned csrsize = TULIP_PCI_CSRSIZE;
tulip_csrptr_t csr_base;
tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN;
if (unit >= TULIP_MAX_DEVICES) {
#ifdef __FreeBSD__
printf("ade%d", unit);
#endif
printf(": not configured; limit of %d reached or exceeded\n",
TULIP_MAX_DEVICES);
return;
}
#if defined(__bsdi__)
if (pa != NULL) {
revinfo = pci_inl(pa, PCI_CFRV) & 0xFF;
id = pci_inl(pa, PCI_CFID);
cfdainfo = pci_inl(pa, PCI_CFDA);
#if defined(TULIP_EISA)
} else {
revinfo = inl(ia->ia_iobase + DE425_CFRV) & 0xFF;
csroffset = TULIP_EISA_CSROFFSET;
csrsize = TULIP_EISA_CSRSIZE;
chipid = TULIP_DE425;
cfdainfo = 0;
#endif /* TULIP_EISA */
}
#else /* __bsdi__ */
revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF;
id = PCI_CONF_READ(PCI_CFID);
cfdainfo = PCI_CONF_READ(PCI_CFDA);
#endif /* __bsdi__ */
if (PCI_VENDORID(id) == DEC_VENDORID) {
if (PCI_CHIPID(id) == CHIPID_21040) chipid = TULIP_21040;
else if (PCI_CHIPID(id) == CHIPID_21140) {
chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140;
} else if (PCI_CHIPID(id) == CHIPID_21142) {
chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142;
}
else if (PCI_CHIPID(id) == CHIPID_21041) chipid = TULIP_21041;
else if (PCI_CHIPID(id) == CHIPID_21142) chipid = TULIP_21142;
}
if (chipid == TULIP_CHIPID_UNKNOWN)
return;
if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) {
#ifdef __FreeBSD__
printf("ade%d", unit);
#endif
printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n",
revinfo >> 4, revinfo & 0x0f);
return;
} else if (chipid == TULIP_21140 && revinfo < 0x11) {
#ifndef __FreeBSD__
printf("\n");
#endif
printf("ade%d: not configured; 21140 pass 1.1 required (%d.%d found)\n",
unit, revinfo >> 4, revinfo & 0x0f);
return;
}
#if defined(__FreeBSD__)
sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT);
if (sc == NULL)
return;
bzero(sc, sizeof(*sc)); /* Zero out the softc*/
#endif
PCI_GETBUSDEVINFO(sc);
sc->tulip_chipid = chipid;
sc->tulip_flags |= TULIP_DEVICEPROBE;
if (chipid == TULIP_21140 || chipid == TULIP_21140A)
sc->tulip_features |= TULIP_HAVE_GPR;
if (chipid == TULIP_21140A && revinfo <= 0x22)
sc->tulip_features |= TULIP_HAVE_RXBUGGY;
if (chipid == TULIP_21140)
sc->tulip_features |= TULIP_HAVE_BROKEN_HASH;
if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140)
sc->tulip_features |= TULIP_HAVE_POWERMGMT;
if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) {
sc->tulip_features |= TULIP_HAVE_DUALSENSE;
if (chipid != TULIP_21041 || sc->tulip_revinfo >= 0x20)
sc->tulip_features |= TULIP_HAVE_SIANWAY;
if (chipid != TULIP_21041)
sc->tulip_features |= TULIP_HAVE_SIAGP;
}
if (sc->tulip_features & TULIP_HAVE_POWERMGMT
&& (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) {
cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE);
PCI_CONF_WRITE(PCI_CFDA, cfdainfo);
DELAY(11*1000);
}
#if defined(__alpha__)
/*
* The Alpha SRM console encodes a console set media in the driver
* part of the CFDA register. Note that the Multia presents a
* problem in that its BNC mode is really EXTSIA. So in that case
* force a probe.
*/
switch ((cfdainfo >> 8) & 0xff) {
case 1: sc->tulip_media = chipid > TULIP_DE425 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC;
break;
case 2: sc->tulip_media = chipid > TULIP_DE425 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN;
break;
case 3: sc->tulip_media = TULIP_MEDIA_10BASET; break;
case 4: sc->tulip_media = TULIP_MEDIA_10BASET_FD; break;
case 5: sc->tulip_media = TULIP_MEDIA_100BASETX; break;
case 6: sc->tulip_media = TULIP_MEDIA_100BASETX_FD; break;
}
#endif
#if defined(__NetBSD__)
strcpy(sc->tulip_if.if_xname, self->dv_xname);
sc->tulip_if.if_softc = sc;
sc->tulip_pc = pa->pa_pc;
#else
sc->tulip_unit = unit;
sc->tulip_name = "ade";
#endif
sc->tulip_revinfo = revinfo;
#if defined(__FreeBSD__)
#if BSD >= 199506
sc->tulip_if.if_softc = sc;
#endif
#if defined(TULIP_IOMAPPED)
retval = pci_map_port(config_id, PCI_CBIO, &csr_base);
#else
retval = pci_map_mem(config_id, PCI_CBMA, (vaddr_t *) &csr_base, &pa_csrs);
#endif
if (!retval) {
free((void *) sc, M_DEVBUF);
return;
}
tulips[unit] = sc;
#endif /* __FreeBSD__ */
#if defined(__bsdi__)
sc->tulip_pf = printf;
#if defined(TULIP_IOMAPPED)
csr_base = ia->ia_iobase;
#else
csr_base = (vaddr_t) mapphys((vaddr_t) ia->ia_maddr, ia->ia_msize);
#endif
#endif /* __bsdi__ */
#if defined(__NetBSD__)
csr_base = 0;
#ifdef THIS_IS_THE_ORIGINAL_HRH_DRIVER_USING_THE_NOW_DEFUNCT_PCI_MEM_FIND
#if defined(TULIP_IOMAPPED)
sc->tulip_bustag = pa->pa_iot;
cacheable = 0;
if (pci_io_find(pa->pa_pc, pa->pa_tag, PCI_CBIO, ®base, ®size))
return;
#else
sc->tulip_bustag = pa->pa_memt;
if (pci_mem_find(pa->pa_pc, pa->pa_tag, PCI_CBMA, ®base, ®size, &cacheable))
return;
#endif
if (bus_space_map(sc->tulip_bustag, regbase, regsize, cacheable, &sc->tulip_bushandle))
return;
#else
{
bus_space_tag_t iot, memt;
bus_space_handle_t ioh, memh;
u_int32_t cfcs = PCI_CONF_READ(PCI_CFCS);
cfcs &= ~(PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE);
if (!pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
&iot, &ioh, NULL, NULL)) {
cfcs |= PCI_COMMAND_IO_ENABLE;
}
if (!pci_mapreg_map(pa, PCI_CBMA,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT,
0, &memt, &memh, NULL, NULL)) {
cfcs |= PCI_COMMAND_MEM_ENABLE;
}
if ((cfcs & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE)) == 0) {
printf(": unable to map device registers\n");
return;
}
cfcs |= PCI_COMMAND_MASTER_ENABLE;
PCI_CONF_WRITE(PCI_CFCS, cfcs);
#if defined(PCI_PREFER_IOSPACE)
if (cfcs & PCI_COMMAND_IO_ENABLE) {
sc->tulip_bustag = iot, sc->tulip_bushandle = ioh;
} else {
sc->tulip_bustag = memt, sc->tulip_bushandle = memh;
}
#else
if (cfcs & PCI_COMMAND_MEM_ENABLE) {
sc->tulip_bustag = memt, sc->tulip_bushandle = memh;
} else {
sc->tulip_bustag = iot, sc->tulip_bushandle = ioh;
}
#endif /* PCI_PREFER_IOSPACE */
}
#endif
#endif /* __NetBSD__ */
tulip_initcsrs(sc, csr_base + csroffset, csrsize);
TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); /* hrh */
DELAY(100); /* hrh */
lcl_dma_restart();
tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, sc->tulip_rx_kva,
TULIP_RXDESCS);
tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, sc->tulip_tx_kva,
TULIP_TXDESCS);
/*
* Make sure there won't be any interrupts or such...
*/
TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at
33MHz that comes to two microseconds but wait a
bit longer anyways) */
if ((retval = tulip_read_macaddr(sc)) < 0) {
#if defined(__FreeBSD__)
printf(TULIP_PRINTF_FMT, TULIP_PRINTF_ARGS);
#endif
printf(": can't read ENET ROM (why=%d) (", retval);
for (idx = 0; idx < 32; idx++)
printf("%02x", sc->tulip_rombuf[idx]);
printf("\n");
printf(TULIP_PRINTF_FMT ": %s%s pass %d.%d\n",
TULIP_PRINTF_ARGS,
sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid],
(sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F);
printf(TULIP_PRINTF_FMT ": address unknown\n", TULIP_PRINTF_ARGS);
} else {
tulip_spl_t s;
tulip_intrfunc_t (*intr_rtn)(void *) = tulip_intr_normal;
if (sc->tulip_flags & TULIP_SHAREDINTR)
intr_rtn = tulip_intr_shared;
#if defined(__NetBSD__)
if ((sc->tulip_flags & TULIP_SLAVEDINTR) == 0) {
pci_intr_handle_t intrhandle;
const char *intrstr;
if (pci_intr_map(pa, &intrhandle)) {
printf(": couldn't map interrupt\n");
return;
}
intrstr = pci_intr_string(pa->pa_pc, intrhandle);
sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET,
intr_rtn, sc);
if (sc->tulip_ih == NULL)
printf(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
if (sc->tulip_ih == NULL)
return;
}
sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc);
if (sc->tulip_ats == NULL)
printf("\n%s: warning: couldn't establish shutdown hook\n",
sc->tulip_xname);
#endif
#if defined(__FreeBSD__)
if ((sc->tulip_flags & TULIP_SLAVEDINTR) == 0) {
if (!pci_map_int (config_id, intr_rtn, (void*) sc, &net_imask)) {
printf(TULIP_PRINTF_FMT ": couldn't map interrupt\n",
TULIP_PRINTF_ARGS);
return;
}
}
#if !defined(TULIP_DEVCONF)
at_shutdown(tulip_shutdown, sc, SHUTDOWN_POST_SYNC);
#endif
#endif
#if defined(__bsdi__)
if ((sc->tulip_flags & TULIP_SLAVEDINTR) == 0) {
isa_establish(&sc->tulip_id, &sc->tulip_dev);
sc->tulip_ih.ih_fun = intr_rtn;
sc->tulip_ih.ih_arg = (void *) sc;
intr_establish(ia->ia_irq, &sc->tulip_ih, DV_NET);
}
sc->tulip_ats.func = tulip_shutdown;
sc->tulip_ats.arg = (void *) sc;
atshutdown(&sc->tulip_ats, ATSH_ADD);
#endif
#if defined(TULIP_USE_SOFTINTR)
if (sc->tulip_unit > tulip_softintr_max_unit)
tulip_softintr_max_unit = sc->tulip_unit;
#endif
s = TULIP_RAISESPL();
tulip_reset(sc);
tulip_attach(sc);
TULIP_RESTORESPL(s);
}
}
static void
a12_m_copydata(m, off, len, cp)
register struct mbuf *m;
register int off;
register int len;
void *cp;
{
static long packet[200]; /* may seem unwise, but typ a12 ram is 512 MB */
if(len > sizeof(packet))
panic("a12_m_copydata");
m_copydata(m, off, len, (void *)packet);
a12r2pb(packet,cp,len);
}