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Code Issues Releases Activity

Convert the VIA Rhine driver to miibus.

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This commit is contained in:
Bill Paul 1999-09-19 22:03:31 +00:00
parent 0635bed8f2
commit ae3b8c19b1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=51432
7 changed files with 240 additions and 1266 deletions
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2
sys/amd64/conf/GENERIC
View File

@ -165,7 +165,6 @@ device fxp0 # Intel EtherExpress PRO/100B (82557, 82558)
device mx0 # Macronix 98713/98715/98725 (``PMAC'')
device pn0 # Lite-On 82c168/82c169 (``PNIC'')
device tx0 # SMC 9432TX (83c170 ``EPIC'')
device vr0 # VIA Rhine, Rhine II
device vx0 # 3Com 3c590, 3c595 (``Vortex'')
# PCI Ethernet NICs that use the common MII bus controller code.
@ -176,6 +175,7 @@ device sf0 # Adaptec AIC-6915 (``Starfire'')
device sis0 # Silicon Integrated Systems SiS 900/SiS 7016
device ste0 # Sundance ST201 (D-Link DFE-550TX)
device tl0 # Texas Instruments ThunderLAN
device vr0 # VIA Rhine, Rhine II
device wb0 # Winbond W89C840F
device xl0 # 3Com 3c90x (``Boomerang'', ``Cyclone'')

606
sys/dev/vr/if_vr.c
View File

@ -94,15 +94,19 @@
#include <sys/bus.h>
#include <sys/rman.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#define VR_USEIOSPACE
/* #define VR_BACKGROUND_AUTONEG */
#include <pci/if_vrreg.h>
/* "controller miibus0" required. See GENERIC if you get errors here. */
#include "miibus_if.h"
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
@ -123,22 +127,6 @@ static struct vr_type vr_devs[] = {
{ 0, 0, NULL }
};
/*
* Various supported PHY vendors/types and their names. Note that
* this driver will work with pretty much any MII-compliant PHY,
* so failure to positively identify the chip is not a fatal error.
*/
static struct vr_type vr_phys[] = {
{ TI_PHY_VENDORID, TI_PHY_10BT, "<TI ThunderLAN 10BT (internal)>" },
{ TI_PHY_VENDORID, TI_PHY_100VGPMI, "<TI TNETE211 100VG Any-LAN>" },
{ NS_PHY_VENDORID, NS_PHY_83840A, "<National Semiconductor DP83840A>"},
{ LEVEL1_PHY_VENDORID, LEVEL1_PHY_LXT970, "<Level 1 LXT970>" },
{ INTEL_PHY_VENDORID, INTEL_PHY_82555, "<Intel 82555>" },
{ SEEQ_PHY_VENDORID, SEEQ_PHY_80220, "<SEEQ 80220>" },
{ 0, 0, "<MII-compliant physical interface>" }
};
static int vr_probe __P((device_t));
static int vr_attach __P((device_t));
static int vr_detach __P((device_t));
@ -153,6 +141,7 @@ static void vr_rxeof __P((struct vr_softc *));
static void vr_rxeoc __P((struct vr_softc *));
static void vr_txeof __P((struct vr_softc *));
static void vr_txeoc __P((struct vr_softc *));
static void vr_tick __P((void *));
static void vr_intr __P((void *));
static void vr_start __P((struct ifnet *));
static int vr_ioctl __P((struct ifnet *, u_long, caddr_t));
@ -167,14 +156,11 @@ static void vr_mii_sync __P((struct vr_softc *));
static void vr_mii_send __P((struct vr_softc *, u_int32_t, int));
static int vr_mii_readreg __P((struct vr_softc *, struct vr_mii_frame *));
static int vr_mii_writereg __P((struct vr_softc *, struct vr_mii_frame *));
static u_int16_t vr_phy_readreg __P((struct vr_softc *, int));
static void vr_phy_writereg __P((struct vr_softc *, u_int16_t, u_int16_t));
static int vr_miibus_readreg __P((device_t, int, int));
static int vr_miibus_writereg __P((device_t, int, int, int));
static void vr_miibus_statchg __P((device_t));
static void vr_autoneg_xmit __P((struct vr_softc *));
static void vr_autoneg_mii __P((struct vr_softc *, int, int));
static void vr_setmode_mii __P((struct vr_softc *, int));
static void vr_getmode_mii __P((struct vr_softc *));
static void vr_setcfg __P((struct vr_softc *, u_int16_t));
static void vr_setcfg __P((struct vr_softc *, int));
static u_int8_t vr_calchash __P((u_int8_t *));
static void vr_setmulti __P((struct vr_softc *));
static void vr_reset __P((struct vr_softc *));
@ -195,6 +181,16 @@ static device_method_t vr_methods[] = {
DEVMETHOD(device_attach, vr_attach),
DEVMETHOD(device_detach, vr_detach),
DEVMETHOD(device_shutdown, vr_shutdown),
/* bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
/* MII interface */
DEVMETHOD(miibus_readreg, vr_miibus_readreg),
DEVMETHOD(miibus_writereg, vr_miibus_writereg),
DEVMETHOD(miibus_statchg, vr_miibus_statchg),
{ 0, 0 }
};
@ -207,6 +203,7 @@ static driver_t vr_driver = {
static devclass_t vr_devclass;
DRIVER_MODULE(vr, pci, vr_driver, vr_devclass, 0, 0);
DRIVER_MODULE(miibus, vr, miibus_driver, miibus_devclass, 0, 0);
#define VR_SETBIT(sc, reg, x) \
CSR_WRITE_1(sc, reg, \
@ -432,36 +429,52 @@ static int vr_mii_writereg(sc, frame)
return(0);
}
static u_int16_t vr_phy_readreg(sc, reg)
struct vr_softc *sc;
int reg;
static int vr_miibus_readreg(dev, phy, reg)
device_t dev;
int phy, reg;
{
struct vr_softc *sc;
struct vr_mii_frame frame;
sc = device_get_softc(dev);
bzero((char *)&frame, sizeof(frame));
frame.mii_phyaddr = sc->vr_phy_addr;
frame.mii_phyaddr = phy;
frame.mii_regaddr = reg;
vr_mii_readreg(sc, &frame);
return(frame.mii_data);
}
static void vr_phy_writereg(sc, reg, data)
struct vr_softc *sc;
u_int16_t reg;
u_int16_t data;
static int vr_miibus_writereg(dev, phy, reg, data)
device_t dev;
u_int16_t phy, reg, data;
{
struct vr_softc *sc;
struct vr_mii_frame frame;
sc = device_get_softc(dev);
bzero((char *)&frame, sizeof(frame));
frame.mii_phyaddr = sc->vr_phy_addr;
frame.mii_phyaddr = phy;
frame.mii_regaddr = reg;
frame.mii_data = data;
vr_mii_writereg(sc, &frame);
return(0);
}
static void vr_miibus_statchg(dev)
device_t dev;
{
struct vr_softc *sc;
struct mii_data *mii;
sc = device_get_softc(dev);
mii = device_get_softc(sc->vr_miibus);
vr_setcfg(sc, mii->mii_media_active);
return;
}
@ -547,320 +560,14 @@ static void vr_setmulti(sc)
return;
}
/*
* Initiate an autonegotiation session.
*/
static void vr_autoneg_xmit(sc)
struct vr_softc *sc;
{
u_int16_t phy_sts;
vr_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET);
DELAY(500);
while(vr_phy_readreg(sc, PHY_BMCR)
& PHY_BMCR_RESET);
phy_sts = vr_phy_readreg(sc, PHY_BMCR);
phy_sts |= PHY_BMCR_AUTONEGENBL|PHY_BMCR_AUTONEGRSTR;
vr_phy_writereg(sc, PHY_BMCR, phy_sts);
return;
}
/*
* Invoke autonegotiation on a PHY.
*/
static void vr_autoneg_mii(sc, flag, verbose)
struct vr_softc *sc;
int flag;
int verbose;
{
u_int16_t phy_sts = 0, media, advert, ability;
struct ifnet *ifp;
struct ifmedia *ifm;
ifm = &sc->ifmedia;
ifp = &sc->arpcom.ac_if;
ifm->ifm_media = IFM_ETHER | IFM_AUTO;
/*
* The 100baseT4 PHY on the 3c905-T4 has the 'autoneg supported'
* bit cleared in the status register, but has the 'autoneg enabled'
* bit set in the control register. This is a contradiction, and
* I'm not sure how to handle it. If you want to force an attempt
* to autoneg for 100baseT4 PHYs, #define FORCE_AUTONEG_TFOUR
* and see what happens.
*/
#ifndef FORCE_AUTONEG_TFOUR
/*
* First, see if autoneg is supported. If not, there's
* no point in continuing.
*/
phy_sts = vr_phy_readreg(sc, PHY_BMSR);
if (!(phy_sts & PHY_BMSR_CANAUTONEG)) {
if (verbose)
printf("vr%d: autonegotiation not supported\n",
sc->vr_unit);
ifm->ifm_media = IFM_ETHER|IFM_10_T|IFM_HDX;
return;
}
#endif
switch (flag) {
case VR_FLAG_FORCEDELAY:
/*
* XXX Never use this option anywhere but in the probe
* routine: making the kernel stop dead in its tracks
* for three whole seconds after we've gone multi-user
* is really bad manners.
*/
vr_autoneg_xmit(sc);
DELAY(5000000);
break;
case VR_FLAG_SCHEDDELAY:
/*
* Wait for the transmitter to go idle before starting
* an autoneg session, otherwise vr_start() may clobber
* our timeout, and we don't want to allow transmission
* during an autoneg session since that can screw it up.
*/
if (sc->vr_cdata.vr_tx_head != NULL) {
sc->vr_want_auto = 1;
return;
}
vr_autoneg_xmit(sc);
ifp->if_timer = 5;
sc->vr_autoneg = 1;
sc->vr_want_auto = 0;
return;
break;
case VR_FLAG_DELAYTIMEO:
ifp->if_timer = 0;
sc->vr_autoneg = 0;
break;
default:
printf("vr%d: invalid autoneg flag: %d\n", sc->vr_unit, flag);
return;
}
if (vr_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) {
if (verbose)
printf("vr%d: autoneg complete, ", sc->vr_unit);
phy_sts = vr_phy_readreg(sc, PHY_BMSR);
} else {
if (verbose)
printf("vr%d: autoneg not complete, ", sc->vr_unit);
}
media = vr_phy_readreg(sc, PHY_BMCR);
/* Link is good. Report modes and set duplex mode. */
if (vr_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) {
if (verbose)
printf("link status good ");
advert = vr_phy_readreg(sc, PHY_ANAR);
ability = vr_phy_readreg(sc, PHY_LPAR);
if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) {
ifm->ifm_media = IFM_ETHER|IFM_100_T4;
media |= PHY_BMCR_SPEEDSEL;
media &= ~PHY_BMCR_DUPLEX;
printf("(100baseT4)\n");
} else if (advert & PHY_ANAR_100BTXFULL &&
ability & PHY_ANAR_100BTXFULL) {
ifm->ifm_media = IFM_ETHER|IFM_100_TX|IFM_FDX;
media |= PHY_BMCR_SPEEDSEL;
media |= PHY_BMCR_DUPLEX;
printf("(full-duplex, 100Mbps)\n");
} else if (advert & PHY_ANAR_100BTXHALF &&
ability & PHY_ANAR_100BTXHALF) {
ifm->ifm_media = IFM_ETHER|IFM_100_TX|IFM_HDX;
media |= PHY_BMCR_SPEEDSEL;
media &= ~PHY_BMCR_DUPLEX;
printf("(half-duplex, 100Mbps)\n");
} else if (advert & PHY_ANAR_10BTFULL &&
ability & PHY_ANAR_10BTFULL) {
ifm->ifm_media = IFM_ETHER|IFM_10_T|IFM_FDX;
media &= ~PHY_BMCR_SPEEDSEL;
media |= PHY_BMCR_DUPLEX;
printf("(full-duplex, 10Mbps)\n");
} else {
ifm->ifm_media = IFM_ETHER|IFM_10_T|IFM_HDX;
media &= ~PHY_BMCR_SPEEDSEL;
media &= ~PHY_BMCR_DUPLEX;
printf("(half-duplex, 10Mbps)\n");
}
media &= ~PHY_BMCR_AUTONEGENBL;
/* Set ASIC's duplex mode to match the PHY. */
vr_setcfg(sc, media);
vr_phy_writereg(sc, PHY_BMCR, media);
} else {
if (verbose)
printf("no carrier\n");
}
vr_init(sc);
if (sc->vr_tx_pend) {
sc->vr_autoneg = 0;
sc->vr_tx_pend = 0;
vr_start(ifp);
}
return;
}
static void vr_getmode_mii(sc)
struct vr_softc *sc;
{
u_int16_t bmsr;
struct ifnet *ifp;
ifp = &sc->arpcom.ac_if;
bmsr = vr_phy_readreg(sc, PHY_BMSR);
if (bootverbose)
printf("vr%d: PHY status word: %x\n", sc->vr_unit, bmsr);
/* fallback */
sc->ifmedia.ifm_media = IFM_ETHER|IFM_10_T|IFM_HDX;
if (bmsr & PHY_BMSR_10BTHALF) {
if (bootverbose)
printf("vr%d: 10Mbps half-duplex mode supported\n",
sc->vr_unit);
ifmedia_add(&sc->ifmedia,
IFM_ETHER|IFM_10_T|IFM_HDX, 0, NULL);
ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
}
if (bmsr & PHY_BMSR_10BTFULL) {
if (bootverbose)
printf("vr%d: 10Mbps full-duplex mode supported\n",
sc->vr_unit);
ifmedia_add(&sc->ifmedia,
IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL);
sc->ifmedia.ifm_media = IFM_ETHER|IFM_10_T|IFM_FDX;
}
if (bmsr & PHY_BMSR_100BTXHALF) {
if (bootverbose)
printf("vr%d: 100Mbps half-duplex mode supported\n",
sc->vr_unit);
ifp->if_baudrate = 100000000;
ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_100_TX, 0, NULL);
ifmedia_add(&sc->ifmedia,
IFM_ETHER|IFM_100_TX|IFM_HDX, 0, NULL);
sc->ifmedia.ifm_media = IFM_ETHER|IFM_100_TX|IFM_HDX;
}
if (bmsr & PHY_BMSR_100BTXFULL) {
if (bootverbose)
printf("vr%d: 100Mbps full-duplex mode supported\n",
sc->vr_unit);
ifp->if_baudrate = 100000000;
ifmedia_add(&sc->ifmedia,
IFM_ETHER|IFM_100_TX|IFM_FDX, 0, NULL);
sc->ifmedia.ifm_media = IFM_ETHER|IFM_100_TX|IFM_FDX;
}
/* Some also support 100BaseT4. */
if (bmsr & PHY_BMSR_100BT4) {
if (bootverbose)
printf("vr%d: 100baseT4 mode supported\n", sc->vr_unit);
ifp->if_baudrate = 100000000;
ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_100_T4, 0, NULL);
sc->ifmedia.ifm_media = IFM_ETHER|IFM_100_T4;
#ifdef FORCE_AUTONEG_TFOUR
if (bootverbose)
printf("vr%d: forcing on autoneg support for BT4\n",
sc->vr_unit);
ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_AUTO, 0 NULL):
sc->ifmedia.ifm_media = IFM_ETHER|IFM_AUTO;
#endif
}
if (bmsr & PHY_BMSR_CANAUTONEG) {
if (bootverbose)
printf("vr%d: autoneg supported\n", sc->vr_unit);
ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_AUTO, 0, NULL);
sc->ifmedia.ifm_media = IFM_ETHER|IFM_AUTO;
}
return;
}
/*
* Set speed and duplex mode.
*/
static void vr_setmode_mii(sc, media)
struct vr_softc *sc;
int media;
{
u_int16_t bmcr;
struct ifnet *ifp;
ifp = &sc->arpcom.ac_if;
/*
* If an autoneg session is in progress, stop it.
*/
if (sc->vr_autoneg) {
printf("vr%d: canceling autoneg session\n", sc->vr_unit);
ifp->if_timer = sc->vr_autoneg = sc->vr_want_auto = 0;
bmcr = vr_phy_readreg(sc, PHY_BMCR);
bmcr &= ~PHY_BMCR_AUTONEGENBL;
vr_phy_writereg(sc, PHY_BMCR, bmcr);
}
printf("vr%d: selecting MII, ", sc->vr_unit);
bmcr = vr_phy_readreg(sc, PHY_BMCR);
bmcr &= ~(PHY_BMCR_AUTONEGENBL|PHY_BMCR_SPEEDSEL|
PHY_BMCR_DUPLEX|PHY_BMCR_LOOPBK);
if (IFM_SUBTYPE(media) == IFM_100_T4) {
printf("100Mbps/T4, half-duplex\n");
bmcr |= PHY_BMCR_SPEEDSEL;
bmcr &= ~PHY_BMCR_DUPLEX;
}
if (IFM_SUBTYPE(media) == IFM_100_TX) {
printf("100Mbps, ");
bmcr |= PHY_BMCR_SPEEDSEL;
}
if (IFM_SUBTYPE(media) == IFM_10_T) {
printf("10Mbps, ");
bmcr &= ~PHY_BMCR_SPEEDSEL;
}
if ((media & IFM_GMASK) == IFM_FDX) {
printf("full duplex\n");
bmcr |= PHY_BMCR_DUPLEX;
} else {
printf("half duplex\n");
bmcr &= ~PHY_BMCR_DUPLEX;
}
vr_setcfg(sc, bmcr);
vr_phy_writereg(sc, PHY_BMCR, bmcr);
return;
}
/*
* In order to fiddle with the
* 'full-duplex' and '100Mbps' bits in the netconfig register, we
* first have to put the transmit and/or receive logic in the idle state.
*/
static void vr_setcfg(sc, bmcr)
static void vr_setcfg(sc, media)
struct vr_softc *sc;
u_int16_t bmcr;
int media;
{
int restart = 0;
@ -869,7 +576,7 @@ static void vr_setcfg(sc, bmcr)
VR_CLRBIT16(sc, VR_COMMAND, (VR_CMD_TX_ON|VR_CMD_RX_ON));
}
if (bmcr & PHY_BMCR_DUPLEX)
if ((media & IFM_GMASK) == IFM_FDX)
VR_SETBIT16(sc, VR_COMMAND, VR_CMD_FULLDUPLEX);
else
VR_CLRBIT16(sc, VR_COMMAND, VR_CMD_FULLDUPLEX);
@ -931,16 +638,11 @@ static int vr_probe(dev)
static int vr_attach(dev)
device_t dev;
{
int s, i;
int i, s;
u_char eaddr[ETHER_ADDR_LEN];
u_int32_t command;
struct vr_softc *sc;
struct ifnet *ifp;
int media = IFM_ETHER|IFM_100_TX|IFM_FDX;
unsigned int round;
caddr_t roundptr;
struct vr_type *p;
u_int16_t phy_vid, phy_did, phy_sts;
int unit, error = 0, rid;
s = splimp();
@ -1057,9 +759,10 @@ static int vr_attach(dev)
sc->vr_unit = unit;
bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
sc->vr_ldata_ptr = malloc(sizeof(struct vr_list_data) + 8,
M_DEVBUF, M_NOWAIT);
if (sc->vr_ldata_ptr == NULL) {
sc->vr_ldata = contigmalloc(sizeof(struct vr_list_data), M_DEVBUF,
M_NOWAIT, 0x100000, 0xffffffff, PAGE_SIZE, 0);
if (sc->vr_ldata == NULL) {
printf("vr%d: no memory for list buffers!\n", unit);
bus_teardown_intr(dev, sc->vr_irq, sc->vr_intrhand);
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vr_irq);
@ -1068,17 +771,6 @@ static int vr_attach(dev)
goto fail;
}
sc->vr_ldata = (struct vr_list_data *)sc->vr_ldata_ptr;
round = (unsigned int)sc->vr_ldata_ptr & 0xF;
roundptr = sc->vr_ldata_ptr;
for (i = 0; i < 8; i++) {
if (round % 8) {
round++;
roundptr++;
} else
break;
}
sc->vr_ldata = (struct vr_list_data *)roundptr;
bzero(sc->vr_ldata, sizeof(struct vr_list_data));
ifp = &sc->arpcom.ac_if;
@ -1095,70 +787,22 @@ static int vr_attach(dev)
ifp->if_baudrate = 10000000;
ifp->if_snd.ifq_maxlen = VR_TX_LIST_CNT - 1;
if (bootverbose)
printf("vr%d: probing for a PHY\n", sc->vr_unit);
for (i = VR_PHYADDR_MIN; i < VR_PHYADDR_MAX + 1; i++) {
if (bootverbose)
printf("vr%d: checking address: %d\n",
sc->vr_unit, i);
sc->vr_phy_addr = i;
vr_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET);
DELAY(500);
while(vr_phy_readreg(sc, PHY_BMCR)
& PHY_BMCR_RESET);
if ((phy_sts = vr_phy_readreg(sc, PHY_BMSR)))
break;
}
if (phy_sts) {
phy_vid = vr_phy_readreg(sc, PHY_VENID);
phy_did = vr_phy_readreg(sc, PHY_DEVID);
if (bootverbose)
printf("vr%d: found PHY at address %d, ",
sc->vr_unit, sc->vr_phy_addr);
if (bootverbose)
printf("vendor id: %x device id: %x\n",
phy_vid, phy_did);
p = vr_phys;
while(p->vr_vid) {
if (phy_vid == p->vr_vid &&
(phy_did | 0x000F) == p->vr_did) {
sc->vr_pinfo = p;
break;
}
p++;
}
if (sc->vr_pinfo == NULL)
sc->vr_pinfo = &vr_phys[PHY_UNKNOWN];
if (bootverbose)
printf("vr%d: PHY type: %s\n",
sc->vr_unit, sc->vr_pinfo->vr_name);
} else {
/*
* Do MII setup.
*/
if (mii_phy_probe(dev, &sc->vr_miibus,
vr_ifmedia_upd, vr_ifmedia_sts)) {
printf("vr%d: MII without any phy!\n", sc->vr_unit);
bus_teardown_intr(dev, sc->vr_irq, sc->vr_intrhand);
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vr_irq);
bus_release_resource(dev, VR_RES, VR_RID, sc->vr_res);
free(sc->vr_ldata_ptr, M_DEVBUF);
contigfree(sc->vr_ldata,
sizeof(struct vr_list_data), M_DEVBUF);
error = ENXIO;
goto fail;
}
/*
* Do ifmedia setup.
*/
ifmedia_init(&sc->ifmedia, 0, vr_ifmedia_upd, vr_ifmedia_sts);
vr_getmode_mii(sc);
if (cold) {
vr_autoneg_mii(sc, VR_FLAG_FORCEDELAY, 1);
vr_stop(sc);
} else {
vr_init(sc);
vr_autoneg_mii(sc, VR_FLAG_SCHEDDELAY, 1);
}
media = sc->ifmedia.ifm_media;
ifmedia_set(&sc->ifmedia, media);
callout_handle_init(&sc->vr_stat_ch);
/*
* Call MI attach routines.
@ -1190,12 +834,14 @@ static int vr_detach(dev)
vr_stop(sc);
if_detach(ifp);
bus_generic_detach(dev);
device_delete_child(dev, sc->vr_miibus);
bus_teardown_intr(dev, sc->vr_irq, sc->vr_intrhand);
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vr_irq);
bus_release_resource(dev, VR_RES, VR_RID, sc->vr_res);
free(sc->vr_ldata_ptr, M_DEVBUF);
ifmedia_removeall(&sc->ifmedia);
contigfree(sc->vr_ldata, sizeof(struct vr_list_data), M_DEVBUF);
splx(s);
@ -1466,7 +1112,6 @@ static void vr_txeof(sc)
{
struct vr_chain *cur_tx;
struct ifnet *ifp;
register struct mbuf *n;
ifp = &sc->arpcom.ac_if;
@ -1501,8 +1146,10 @@ static void vr_txeof(sc)
ifp->if_collisions +=(txstat & VR_TXSTAT_COLLCNT) >> 3;
ifp->if_opackets++;
MFREE(cur_tx->vr_mbuf, n);
cur_tx->vr_mbuf = NULL;
if (cur_tx->vr_mbuf != NULL) {
m_freem(cur_tx->vr_mbuf);
cur_tx->vr_mbuf = NULL;
}
if (sc->vr_cdata.vr_tx_head == sc->vr_cdata.vr_tx_tail) {
sc->vr_cdata.vr_tx_head = NULL;
@ -1531,13 +1178,31 @@ static void vr_txeoc(sc)
if (sc->vr_cdata.vr_tx_head == NULL) {
ifp->if_flags &= ~IFF_OACTIVE;
sc->vr_cdata.vr_tx_tail = NULL;
if (sc->vr_want_auto)
vr_autoneg_mii(sc, VR_FLAG_SCHEDDELAY, 1);
}
return;
}
static void vr_tick(xsc)
void *xsc;
{
struct vr_softc *sc;
struct mii_data *mii;
int s;
s = splimp();
sc = xsc;
mii = device_get_softc(sc->vr_miibus);
mii_tick(mii);
sc->vr_stat_ch = timeout(vr_tick, sc, hz);
splx(s);
return;
}
static void vr_intr(arg)
void *arg;
{
@ -1691,10 +1356,8 @@ static void vr_start(ifp)
sc = ifp->if_softc;
if (sc->vr_autoneg) {
sc->vr_tx_pend = 1;
if (ifp->if_flags & IFF_OACTIVE)
return;
}
/*
* Check for an available queue slot. If there are none,
@ -1731,7 +1394,7 @@ static void vr_start(ifp)
bpf_mtap(ifp, cur_tx->vr_mbuf);
#endif
VR_TXOWN(cur_tx) = VR_TXSTAT_OWN;
VR_SETBIT16(sc, VR_COMMAND, VR_CMD_TX_ON|VR_CMD_TX_GO);
VR_SETBIT16(sc, VR_COMMAND, /*VR_CMD_TX_ON|*/VR_CMD_TX_GO);
}
/*
@ -1758,16 +1421,12 @@ static void vr_init(xsc)
{
struct vr_softc *sc = xsc;
struct ifnet *ifp = &sc->arpcom.ac_if;
u_int16_t phy_bmcr = 0;
struct mii_data *mii;
int s;
if (sc->vr_autoneg)
return;
s = splimp();
if (sc->vr_pinfo != NULL)
phy_bmcr = vr_phy_readreg(sc, PHY_BMCR);
mii = device_get_softc(sc->vr_miibus);
/*
* Cancel pending I/O and free all RX/TX buffers.
@ -1822,8 +1481,6 @@ static void vr_init(xsc)
VR_CMD_TX_ON|VR_CMD_RX_ON|
VR_CMD_RX_GO);
vr_setcfg(sc, vr_phy_readreg(sc, PHY_BMCR));
CSR_WRITE_4(sc, VR_TXADDR, vtophys(&sc->vr_ldata->vr_tx_list[0]));
/*
@ -1832,15 +1489,15 @@ static void vr_init(xsc)
CSR_WRITE_2(sc, VR_ISR, 0xFFFF);
CSR_WRITE_2(sc, VR_IMR, VR_INTRS);
/* Restore state of BMCR */
if (sc->vr_pinfo != NULL)
vr_phy_writereg(sc, PHY_BMCR, phy_bmcr);
mii_mediachg(mii);
ifp->if_flags |= IFF_RUNNING;
ifp->if_flags &= ~IFF_OACTIVE;
(void)splx(s);
sc->vr_stat_ch = timeout(vr_tick, sc, hz);
return;
}
@ -1851,18 +1508,11 @@ static int vr_ifmedia_upd(ifp)
struct ifnet *ifp;
{
struct vr_softc *sc;
struct ifmedia *ifm;
sc = ifp->if_softc;
ifm = &sc->ifmedia;
if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
return(EINVAL);
if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO)
vr_autoneg_mii(sc, VR_FLAG_SCHEDDELAY, 1);
else
vr_setmode_mii(sc, ifm->ifm_media);
if (ifp->if_flags & IFF_UP)
vr_init(sc);
return(0);
}
@ -1875,42 +1525,13 @@ static void vr_ifmedia_sts(ifp, ifmr)
struct ifmediareq *ifmr;
{
struct vr_softc *sc;
u_int16_t advert = 0, ability = 0;
struct mii_data *mii;
sc = ifp->if_softc;
ifmr->ifm_active = IFM_ETHER;
if (!(vr_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) {
if (vr_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL)
ifmr->ifm_active = IFM_ETHER|IFM_100_TX;
else
ifmr->ifm_active = IFM_ETHER|IFM_10_T;
if (vr_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX)
ifmr->ifm_active |= IFM_FDX;
else
ifmr->ifm_active |= IFM_HDX;
return;
}
ability = vr_phy_readreg(sc, PHY_LPAR);
advert = vr_phy_readreg(sc, PHY_ANAR);
if (advert & PHY_ANAR_100BT4 &&
ability & PHY_ANAR_100BT4) {
ifmr->ifm_active = IFM_ETHER|IFM_100_T4;
} else if (advert & PHY_ANAR_100BTXFULL &&
ability & PHY_ANAR_100BTXFULL) {
ifmr->ifm_active = IFM_ETHER|IFM_100_TX|IFM_FDX;
} else if (advert & PHY_ANAR_100BTXHALF &&
ability & PHY_ANAR_100BTXHALF) {
ifmr->ifm_active = IFM_ETHER|IFM_100_TX|IFM_HDX;
} else if (advert & PHY_ANAR_10BTFULL &&
ability & PHY_ANAR_10BTFULL) {
ifmr->ifm_active = IFM_ETHER|IFM_10_T|IFM_FDX;
} else if (advert & PHY_ANAR_10BTHALF &&
ability & PHY_ANAR_10BTHALF) {
ifmr->ifm_active = IFM_ETHER|IFM_10_T|IFM_HDX;
}
mii = device_get_softc(sc->vr_miibus);
mii_pollstat(mii);
ifmr->ifm_active = mii->mii_media_active;
ifmr->ifm_status = mii->mii_media_status;
return;
}
@ -1922,6 +1543,7 @@ static int vr_ioctl(ifp, command, data)
{
struct vr_softc *sc = ifp->if_softc;
struct ifreq *ifr = (struct ifreq *) data;
struct mii_data *mii;
int s, error = 0;
s = splimp();
@ -1948,7 +1570,8 @@ static int vr_ioctl(ifp, command, data)
break;
case SIOCGIFMEDIA:
case SIOCSIFMEDIA:
error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command);
mii = device_get_softc(sc->vr_miibus);
error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
break;
default:
error = EINVAL;
@ -1967,20 +1590,9 @@ static void vr_watchdog(ifp)
sc = ifp->if_softc;
if (sc->vr_autoneg) {
vr_autoneg_mii(sc, VR_FLAG_DELAYTIMEO, 1);
if (!(ifp->if_flags & IFF_UP))
vr_stop(sc);
return;
}
ifp->if_oerrors++;
printf("vr%d: watchdog timeout\n", sc->vr_unit);
if (!(vr_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT))
printf("vr%d: no carrier - transceiver cable problem?\n",
sc->vr_unit);
vr_stop(sc);
vr_reset(sc);
vr_init(sc);
@ -2004,6 +1616,8 @@ static void vr_stop(sc)
ifp = &sc->arpcom.ac_if;
ifp->if_timer = 0;
untimeout(vr_tick, sc, sc->vr_stat_ch);
VR_SETBIT16(sc, VR_COMMAND, VR_CMD_STOP);
VR_CLRBIT16(sc, VR_COMMAND, (VR_CMD_RX_ON|VR_CMD_TX_ON));
CSR_WRITE_2(sc, VR_IMR, 0x0000);

142
sys/dev/vr/if_vrreg.h
View File

@ -399,23 +399,18 @@ struct vr_mii_frame {
struct vr_softc {
struct arpcom arpcom; /* interface info */
struct ifmedia ifmedia; /* media info */
bus_space_handle_t vr_bhandle; /* bus space handle */
bus_space_tag_t vr_btag; /* bus space tag */
struct resource *vr_res;
struct resource *vr_irq;
void *vr_intrhand;
device_t vr_miibus;
struct vr_type *vr_info; /* Rhine adapter info */
struct vr_type *vr_pinfo; /* phy info */
u_int8_t vr_unit; /* interface number */
u_int8_t vr_type;
u_int8_t vr_phy_addr; /* PHY address */
u_int8_t vr_tx_pend; /* TX pending */
u_int8_t vr_want_auto;
u_int8_t vr_autoneg;
caddr_t vr_ldata_ptr;
struct vr_list_data *vr_ldata;
struct vr_chain_data vr_cdata;
struct callout_handle vr_stat_ch;
};
/*
@ -472,38 +467,6 @@ struct vr_softc {
#define ADDTRON_DEVICEID_RHINE_II 0x1320
/*
* Texas Instruments PHY identifiers
*/
#define TI_PHY_VENDORID 0x4000
#define TI_PHY_10BT 0x501F
#define TI_PHY_100VGPMI 0x502F
/*
* These ID values are for the NS DP83840A 10/100 PHY
*/
#define NS_PHY_VENDORID 0x2000
#define NS_PHY_83840A 0x5C0F
/*
* Level 1 10/100 PHY
*/
#define LEVEL1_PHY_VENDORID 0x7810
#define LEVEL1_PHY_LXT970 0x000F
/*
* Intel 82555 10/100 PHY
*/
#define INTEL_PHY_VENDORID 0x0A28
#define INTEL_PHY_82555 0x015F
/*
* SEEQ 80220 10/100 PHY
*/
#define SEEQ_PHY_VENDORID 0x0016
#define SEEQ_PHY_80220 0xF83F
/*
* PCI low memory base and low I/O base register, and
* other PCI registers.
@ -540,101 +503,8 @@ struct vr_softc {
#define VR_PME_EN 0x0010
#define VR_PME_STATUS 0x8000
#define PHY_UNKNOWN 6
#define VR_PHYADDR_MIN 0x00
#define VR_PHYADDR_MAX 0x1F
#define PHY_BMCR 0x00
#define PHY_BMSR 0x01
#define PHY_VENID 0x02
#define PHY_DEVID 0x03
#define PHY_ANAR 0x04
#define PHY_LPAR 0x05
#define PHY_ANEXP 0x06
#define PHY_ANAR_NEXTPAGE 0x8000
#define PHY_ANAR_RSVD0 0x4000
#define PHY_ANAR_TLRFLT 0x2000
#define PHY_ANAR_RSVD1 0x1000
#define PHY_ANAR_RSVD2 0x0800
#define PHY_ANAR_RSVD3 0x0400
#define PHY_ANAR_100BT4 0x0200
#define PHY_ANAR_100BTXFULL 0x0100
#define PHY_ANAR_100BTXHALF 0x0080
#define PHY_ANAR_10BTFULL 0x0040
#define PHY_ANAR_10BTHALF 0x0020
#define PHY_ANAR_PROTO4 0x0010
#define PHY_ANAR_PROTO3 0x0008
#define PHY_ANAR_PROTO2 0x0004
#define PHY_ANAR_PROTO1 0x0002
#define PHY_ANAR_PROTO0 0x0001
/*
* These are the register definitions for the PHY (physical layer
* interface chip).
*/
/*
* PHY BMCR Basic Mode Control Register
*/
#define PHY_BMCR_RESET 0x8000
#define PHY_BMCR_LOOPBK 0x4000
#define PHY_BMCR_SPEEDSEL 0x2000
#define PHY_BMCR_AUTONEGENBL 0x1000
#define PHY_BMCR_RSVD0 0x0800 /* write as zero */
#define PHY_BMCR_ISOLATE 0x0400
#define PHY_BMCR_AUTONEGRSTR 0x0200
#define PHY_BMCR_DUPLEX 0x0100
#define PHY_BMCR_COLLTEST 0x0080
#define PHY_BMCR_RSVD1 0x0040 /* write as zero, don't care */
#define PHY_BMCR_RSVD2 0x0020 /* write as zero, don't care */
#define PHY_BMCR_RSVD3 0x0010 /* write as zero, don't care */
#define PHY_BMCR_RSVD4 0x0008 /* write as zero, don't care */
#define PHY_BMCR_RSVD5 0x0004 /* write as zero, don't care */
#define PHY_BMCR_RSVD6 0x0002 /* write as zero, don't care */
#define PHY_BMCR_RSVD7 0x0001 /* write as zero, don't care */
/*
* RESET: 1 == software reset, 0 == normal operation
* Resets status and control registers to default values.
* Relatches all hardware config values.
*
* LOOPBK: 1 == loopback operation enabled, 0 == normal operation
*
* SPEEDSEL: 1 == 100Mb/s, 0 == 10Mb/s
* Link speed is selected byt his bit or if auto-negotiation if bit
* 12 (AUTONEGENBL) is set (in which case the value of this register
* is ignored).
*
* AUTONEGENBL: 1 == Autonegotiation enabled, 0 == Autonegotiation disabled
* Bits 8 and 13 are ignored when autoneg is set, otherwise bits 8 and 13
* determine speed and mode. Should be cleared and then set if PHY configured
* for no autoneg on startup.
*
* ISOLATE: 1 == isolate PHY from MII, 0 == normal operation
*
* AUTONEGRSTR: 1 == restart autonegotiation, 0 = normal operation
*
* DUPLEX: 1 == full duplex mode, 0 == half duplex mode
*
* COLLTEST: 1 == collision test enabled, 0 == normal operation
*/
/*
* PHY, BMSR Basic Mode Status Register
*/
#define PHY_BMSR_100BT4 0x8000
#define PHY_BMSR_100BTXFULL 0x4000
#define PHY_BMSR_100BTXHALF 0x2000
#define PHY_BMSR_10BTFULL 0x1000
#define PHY_BMSR_10BTHALF 0x0800
#define PHY_BMSR_RSVD1 0x0400 /* write as zero, don't care */
#define PHY_BMSR_RSVD2 0x0200 /* write as zero, don't care */
#define PHY_BMSR_RSVD3 0x0100 /* write as zero, don't care */
#define PHY_BMSR_RSVD4 0x0080 /* write as zero, don't care */
#define PHY_BMSR_MFPRESUP 0x0040
#define PHY_BMSR_AUTONEGCOMP 0x0020
#define PHY_BMSR_REMFAULT 0x0010
#define PHY_BMSR_CANAUTONEG 0x0008
#define PHY_BMSR_LINKSTAT 0x0004
#define PHY_BMSR_JABBER 0x0002
#define PHY_BMSR_EXTENDED 0x0001
#ifdef __alpha__
#undef vtophys
#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va)
#endif

2
sys/i386/conf/GENERIC
View File

@ -165,7 +165,6 @@ device fxp0 # Intel EtherExpress PRO/100B (82557, 82558)
device mx0 # Macronix 98713/98715/98725 (``PMAC'')
device pn0 # Lite-On 82c168/82c169 (``PNIC'')
device tx0 # SMC 9432TX (83c170 ``EPIC'')
device vr0 # VIA Rhine, Rhine II
device vx0 # 3Com 3c590, 3c595 (``Vortex'')
# PCI Ethernet NICs that use the common MII bus controller code.
@ -176,6 +175,7 @@ device sf0 # Adaptec AIC-6915 (``Starfire'')
device sis0 # Silicon Integrated Systems SiS 900/SiS 7016
device ste0 # Sundance ST201 (D-Link DFE-550TX)
device tl0 # Texas Instruments ThunderLAN
device vr0 # VIA Rhine, Rhine II
device wb0 # Winbond W89C840F
device xl0 # 3Com 3c90x (``Boomerang'', ``Cyclone'')

6
sys/modules/vr/Makefile
View File

@ -4,7 +4,10 @@ S = ${.CURDIR}/../..
.PATH: $S/pci
KMOD = vr
SRCS = if_vr.c vr.h bpf.h opt_bdg.h device_if.h bus_if.h pci_if.h
SRCS += miibus_if.h
CLEANFILES += vr.h bpf.h opt_bdg.h device_if.h bus_if.h pci_if.h
CLEANFILES += miibus_if.h
CFLAGS += ${DEBUG_FLAGS}
vr.h:
@ -25,4 +28,7 @@ bus_if.h: $S/kern/makedevops.pl $S/kern/bus_if.m
pci_if.h: $S/kern/makedevops.pl $S/pci/pci_if.m
perl $S/kern/makedevops.pl -h $S/pci/pci_if.m
miibus_if.h: $S/kern/makedevops.pl $S/dev/mii/miibus_if.m
perl $S/kern/makedevops.pl -h $S/dev/mii/miibus_if.m
.include <bsd.kmod.mk>

606
sys/pci/if_vr.c
View File

@ -94,15 +94,19 @@
#include <sys/bus.h>
#include <sys/rman.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#define VR_USEIOSPACE
/* #define VR_BACKGROUND_AUTONEG */
#include <pci/if_vrreg.h>
/* "controller miibus0" required. See GENERIC if you get errors here. */
#include "miibus_if.h"
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
@ -123,22 +127,6 @@ static struct vr_type vr_devs[] = {
{ 0, 0, NULL }
};
/*
* Various supported PHY vendors/types and their names. Note that
* this driver will work with pretty much any MII-compliant PHY,
* so failure to positively identify the chip is not a fatal error.
*/
static struct vr_type vr_phys[] = {
{ TI_PHY_VENDORID, TI_PHY_10BT, "<TI ThunderLAN 10BT (internal)>" },
{ TI_PHY_VENDORID, TI_PHY_100VGPMI, "<TI TNETE211 100VG Any-LAN>" },
{ NS_PHY_VENDORID, NS_PHY_83840A, "<National Semiconductor DP83840A>"},
{ LEVEL1_PHY_VENDORID, LEVEL1_PHY_LXT970, "<Level 1 LXT970>" },
{ INTEL_PHY_VENDORID, INTEL_PHY_82555, "<Intel 82555>" },
{ SEEQ_PHY_VENDORID, SEEQ_PHY_80220, "<SEEQ 80220>" },
{ 0, 0, "<MII-compliant physical interface>" }
};
static int vr_probe __P((device_t));
static int vr_attach __P((device_t));
static int vr_detach __P((device_t));
@ -153,6 +141,7 @@ static void vr_rxeof __P((struct vr_softc *));
static void vr_rxeoc __P((struct vr_softc *));
static void vr_txeof __P((struct vr_softc *));
static void vr_txeoc __P((struct vr_softc *));
static void vr_tick __P((void *));
static void vr_intr __P((void *));
static void vr_start __P((struct ifnet *));
static int vr_ioctl __P((struct ifnet *, u_long, caddr_t));
@ -167,14 +156,11 @@ static void vr_mii_sync __P((struct vr_softc *));
static void vr_mii_send __P((struct vr_softc *, u_int32_t, int));
static int vr_mii_readreg __P((struct vr_softc *, struct vr_mii_frame *));
static int vr_mii_writereg __P((struct vr_softc *, struct vr_mii_frame *));
static u_int16_t vr_phy_readreg __P((struct vr_softc *, int));
static void vr_phy_writereg __P((struct vr_softc *, u_int16_t, u_int16_t));
static int vr_miibus_readreg __P((device_t, int, int));
static int vr_miibus_writereg __P((device_t, int, int, int));
static void vr_miibus_statchg __P((device_t));
static void vr_autoneg_xmit __P((struct vr_softc *));
static void vr_autoneg_mii __P((struct vr_softc *, int, int));
static void vr_setmode_mii __P((struct vr_softc *, int));
static void vr_getmode_mii __P((struct vr_softc *));
static void vr_setcfg __P((struct vr_softc *, u_int16_t));
static void vr_setcfg __P((struct vr_softc *, int));
static u_int8_t vr_calchash __P((u_int8_t *));
static void vr_setmulti __P((struct vr_softc *));
static void vr_reset __P((struct vr_softc *));
@ -195,6 +181,16 @@ static device_method_t vr_methods[] = {
DEVMETHOD(device_attach, vr_attach),
DEVMETHOD(device_detach, vr_detach),
DEVMETHOD(device_shutdown, vr_shutdown),
/* bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
/* MII interface */
DEVMETHOD(miibus_readreg, vr_miibus_readreg),
DEVMETHOD(miibus_writereg, vr_miibus_writereg),
DEVMETHOD(miibus_statchg, vr_miibus_statchg),
{ 0, 0 }
};
@ -207,6 +203,7 @@ static driver_t vr_driver = {
static devclass_t vr_devclass;
DRIVER_MODULE(vr, pci, vr_driver, vr_devclass, 0, 0);
DRIVER_MODULE(miibus, vr, miibus_driver, miibus_devclass, 0, 0);
#define VR_SETBIT(sc, reg, x) \
CSR_WRITE_1(sc, reg, \
@ -432,36 +429,52 @@ static int vr_mii_writereg(sc, frame)
return(0);
}
static u_int16_t vr_phy_readreg(sc, reg)
struct vr_softc *sc;
int reg;
static int vr_miibus_readreg(dev, phy, reg)
device_t dev;
int phy, reg;
{
struct vr_softc *sc;
struct vr_mii_frame frame;
sc = device_get_softc(dev);
bzero((char *)&frame, sizeof(frame));
frame.mii_phyaddr = sc->vr_phy_addr;
frame.mii_phyaddr = phy;
frame.mii_regaddr = reg;
vr_mii_readreg(sc, &frame);
return(frame.mii_data);
}
static void vr_phy_writereg(sc, reg, data)
struct vr_softc *sc;
u_int16_t reg;
u_int16_t data;
static int vr_miibus_writereg(dev, phy, reg, data)
device_t dev;
u_int16_t phy, reg, data;
{
struct vr_softc *sc;
struct vr_mii_frame frame;
sc = device_get_softc(dev);
bzero((char *)&frame, sizeof(frame));
frame.mii_phyaddr = sc->vr_phy_addr;
frame.mii_phyaddr = phy;
frame.mii_regaddr = reg;
frame.mii_data = data;
vr_mii_writereg(sc, &frame);
return(0);
}
static void vr_miibus_statchg(dev)
device_t dev;
{
struct vr_softc *sc;
struct mii_data *mii;
sc = device_get_softc(dev);
mii = device_get_softc(sc->vr_miibus);
vr_setcfg(sc, mii->mii_media_active);
return;
}
@ -547,320 +560,14 @@ static void vr_setmulti(sc)
return;
}
/*
* Initiate an autonegotiation session.
*/
static void vr_autoneg_xmit(sc)
struct vr_softc *sc;
{
u_int16_t phy_sts;
vr_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET);
DELAY(500);
while(vr_phy_readreg(sc, PHY_BMCR)
& PHY_BMCR_RESET);
phy_sts = vr_phy_readreg(sc, PHY_BMCR);
phy_sts |= PHY_BMCR_AUTONEGENBL|PHY_BMCR_AUTONEGRSTR;
vr_phy_writereg(sc, PHY_BMCR, phy_sts);
return;
}
/*
* Invoke autonegotiation on a PHY.
*/
static void vr_autoneg_mii(sc, flag, verbose)
struct vr_softc *sc;
int flag;
int verbose;
{
u_int16_t phy_sts = 0, media, advert, ability;
struct ifnet *ifp;
struct ifmedia *ifm;
ifm = &sc->ifmedia;
ifp = &sc->arpcom.ac_if;
ifm->ifm_media = IFM_ETHER | IFM_AUTO;
/*
* The 100baseT4 PHY on the 3c905-T4 has the 'autoneg supported'
* bit cleared in the status register, but has the 'autoneg enabled'
* bit set in the control register. This is a contradiction, and
* I'm not sure how to handle it. If you want to force an attempt
* to autoneg for 100baseT4 PHYs, #define FORCE_AUTONEG_TFOUR
* and see what happens.
*/
#ifndef FORCE_AUTONEG_TFOUR
/*
* First, see if autoneg is supported. If not, there's
* no point in continuing.
*/
phy_sts = vr_phy_readreg(sc, PHY_BMSR);
if (!(phy_sts & PHY_BMSR_CANAUTONEG)) {
if (verbose)
printf("vr%d: autonegotiation not supported\n",
sc->vr_unit);
ifm->ifm_media = IFM_ETHER|IFM_10_T|IFM_HDX;
return;
}
#endif
switch (flag) {
case VR_FLAG_FORCEDELAY:
/*
* XXX Never use this option anywhere but in the probe
* routine: making the kernel stop dead in its tracks
* for three whole seconds after we've gone multi-user
* is really bad manners.
*/
vr_autoneg_xmit(sc);
DELAY(5000000);
break;
case VR_FLAG_SCHEDDELAY:
/*
* Wait for the transmitter to go idle before starting
* an autoneg session, otherwise vr_start() may clobber
* our timeout, and we don't want to allow transmission
* during an autoneg session since that can screw it up.
*/
if (sc->vr_cdata.vr_tx_head != NULL) {
sc->vr_want_auto = 1;
return;
}
vr_autoneg_xmit(sc);
ifp->if_timer = 5;
sc->vr_autoneg = 1;
sc->vr_want_auto = 0;
return;
break;
case VR_FLAG_DELAYTIMEO:
ifp->if_timer = 0;
sc->vr_autoneg = 0;
break;
default:
printf("vr%d: invalid autoneg flag: %d\n", sc->vr_unit, flag);
return;
}
if (vr_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_AUTONEGCOMP) {
if (verbose)
printf("vr%d: autoneg complete, ", sc->vr_unit);
phy_sts = vr_phy_readreg(sc, PHY_BMSR);
} else {
if (verbose)
printf("vr%d: autoneg not complete, ", sc->vr_unit);
}
media = vr_phy_readreg(sc, PHY_BMCR);
/* Link is good. Report modes and set duplex mode. */
if (vr_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT) {
if (verbose)
printf("link status good ");
advert = vr_phy_readreg(sc, PHY_ANAR);
ability = vr_phy_readreg(sc, PHY_LPAR);
if (advert & PHY_ANAR_100BT4 && ability & PHY_ANAR_100BT4) {
ifm->ifm_media = IFM_ETHER|IFM_100_T4;
media |= PHY_BMCR_SPEEDSEL;
media &= ~PHY_BMCR_DUPLEX;
printf("(100baseT4)\n");
} else if (advert & PHY_ANAR_100BTXFULL &&
ability & PHY_ANAR_100BTXFULL) {
ifm->ifm_media = IFM_ETHER|IFM_100_TX|IFM_FDX;
media |= PHY_BMCR_SPEEDSEL;
media |= PHY_BMCR_DUPLEX;
printf("(full-duplex, 100Mbps)\n");
} else if (advert & PHY_ANAR_100BTXHALF &&
ability & PHY_ANAR_100BTXHALF) {
ifm->ifm_media = IFM_ETHER|IFM_100_TX|IFM_HDX;
media |= PHY_BMCR_SPEEDSEL;
media &= ~PHY_BMCR_DUPLEX;
printf("(half-duplex, 100Mbps)\n");
} else if (advert & PHY_ANAR_10BTFULL &&
ability & PHY_ANAR_10BTFULL) {
ifm->ifm_media = IFM_ETHER|IFM_10_T|IFM_FDX;
media &= ~PHY_BMCR_SPEEDSEL;
media |= PHY_BMCR_DUPLEX;
printf("(full-duplex, 10Mbps)\n");
} else {
ifm->ifm_media = IFM_ETHER|IFM_10_T|IFM_HDX;
media &= ~PHY_BMCR_SPEEDSEL;
media &= ~PHY_BMCR_DUPLEX;
printf("(half-duplex, 10Mbps)\n");
}
media &= ~PHY_BMCR_AUTONEGENBL;
/* Set ASIC's duplex mode to match the PHY. */
vr_setcfg(sc, media);
vr_phy_writereg(sc, PHY_BMCR, media);
} else {
if (verbose)
printf("no carrier\n");
}
vr_init(sc);
if (sc->vr_tx_pend) {
sc->vr_autoneg = 0;
sc->vr_tx_pend = 0;
vr_start(ifp);
}
return;
}
static void vr_getmode_mii(sc)
struct vr_softc *sc;
{
u_int16_t bmsr;
struct ifnet *ifp;
ifp = &sc->arpcom.ac_if;
bmsr = vr_phy_readreg(sc, PHY_BMSR);
if (bootverbose)
printf("vr%d: PHY status word: %x\n", sc->vr_unit, bmsr);
/* fallback */
sc->ifmedia.ifm_media = IFM_ETHER|IFM_10_T|IFM_HDX;
if (bmsr & PHY_BMSR_10BTHALF) {
if (bootverbose)
printf("vr%d: 10Mbps half-duplex mode supported\n",
sc->vr_unit);
ifmedia_add(&sc->ifmedia,
IFM_ETHER|IFM_10_T|IFM_HDX, 0, NULL);
ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
}
if (bmsr & PHY_BMSR_10BTFULL) {
if (bootverbose)
printf("vr%d: 10Mbps full-duplex mode supported\n",
sc->vr_unit);
ifmedia_add(&sc->ifmedia,
IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL);
sc->ifmedia.ifm_media = IFM_ETHER|IFM_10_T|IFM_FDX;
}
if (bmsr & PHY_BMSR_100BTXHALF) {
if (bootverbose)
printf("vr%d: 100Mbps half-duplex mode supported\n",
sc->vr_unit);
ifp->if_baudrate = 100000000;
ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_100_TX, 0, NULL);
ifmedia_add(&sc->ifmedia,
IFM_ETHER|IFM_100_TX|IFM_HDX, 0, NULL);
sc->ifmedia.ifm_media = IFM_ETHER|IFM_100_TX|IFM_HDX;
}
if (bmsr & PHY_BMSR_100BTXFULL) {
if (bootverbose)
printf("vr%d: 100Mbps full-duplex mode supported\n",
sc->vr_unit);
ifp->if_baudrate = 100000000;
ifmedia_add(&sc->ifmedia,
IFM_ETHER|IFM_100_TX|IFM_FDX, 0, NULL);
sc->ifmedia.ifm_media = IFM_ETHER|IFM_100_TX|IFM_FDX;
}
/* Some also support 100BaseT4. */
if (bmsr & PHY_BMSR_100BT4) {
if (bootverbose)
printf("vr%d: 100baseT4 mode supported\n", sc->vr_unit);
ifp->if_baudrate = 100000000;
ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_100_T4, 0, NULL);
sc->ifmedia.ifm_media = IFM_ETHER|IFM_100_T4;
#ifdef FORCE_AUTONEG_TFOUR
if (bootverbose)
printf("vr%d: forcing on autoneg support for BT4\n",
sc->vr_unit);
ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_AUTO, 0 NULL):
sc->ifmedia.ifm_media = IFM_ETHER|IFM_AUTO;
#endif
}
if (bmsr & PHY_BMSR_CANAUTONEG) {
if (bootverbose)
printf("vr%d: autoneg supported\n", sc->vr_unit);
ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_AUTO, 0, NULL);
sc->ifmedia.ifm_media = IFM_ETHER|IFM_AUTO;
}
return;
}
/*
* Set speed and duplex mode.
*/
static void vr_setmode_mii(sc, media)
struct vr_softc *sc;
int media;
{
u_int16_t bmcr;
struct ifnet *ifp;
ifp = &sc->arpcom.ac_if;
/*
* If an autoneg session is in progress, stop it.
*/
if (sc->vr_autoneg) {
printf("vr%d: canceling autoneg session\n", sc->vr_unit);
ifp->if_timer = sc->vr_autoneg = sc->vr_want_auto = 0;
bmcr = vr_phy_readreg(sc, PHY_BMCR);
bmcr &= ~PHY_BMCR_AUTONEGENBL;
vr_phy_writereg(sc, PHY_BMCR, bmcr);
}
printf("vr%d: selecting MII, ", sc->vr_unit);
bmcr = vr_phy_readreg(sc, PHY_BMCR);
bmcr &= ~(PHY_BMCR_AUTONEGENBL|PHY_BMCR_SPEEDSEL|
PHY_BMCR_DUPLEX|PHY_BMCR_LOOPBK);
if (IFM_SUBTYPE(media) == IFM_100_T4) {
printf("100Mbps/T4, half-duplex\n");
bmcr |= PHY_BMCR_SPEEDSEL;
bmcr &= ~PHY_BMCR_DUPLEX;
}
if (IFM_SUBTYPE(media) == IFM_100_TX) {
printf("100Mbps, ");
bmcr |= PHY_BMCR_SPEEDSEL;
}
if (IFM_SUBTYPE(media) == IFM_10_T) {
printf("10Mbps, ");
bmcr &= ~PHY_BMCR_SPEEDSEL;
}
if ((media & IFM_GMASK) == IFM_FDX) {
printf("full duplex\n");
bmcr |= PHY_BMCR_DUPLEX;
} else {
printf("half duplex\n");
bmcr &= ~PHY_BMCR_DUPLEX;
}
vr_setcfg(sc, bmcr);
vr_phy_writereg(sc, PHY_BMCR, bmcr);
return;
}
/*
* In order to fiddle with the
* 'full-duplex' and '100Mbps' bits in the netconfig register, we
* first have to put the transmit and/or receive logic in the idle state.
*/
static void vr_setcfg(sc, bmcr)
static void vr_setcfg(sc, media)
struct vr_softc *sc;
u_int16_t bmcr;
int media;
{
int restart = 0;
@ -869,7 +576,7 @@ static void vr_setcfg(sc, bmcr)
VR_CLRBIT16(sc, VR_COMMAND, (VR_CMD_TX_ON|VR_CMD_RX_ON));
}
if (bmcr & PHY_BMCR_DUPLEX)
if ((media & IFM_GMASK) == IFM_FDX)
VR_SETBIT16(sc, VR_COMMAND, VR_CMD_FULLDUPLEX);
else
VR_CLRBIT16(sc, VR_COMMAND, VR_CMD_FULLDUPLEX);
@ -931,16 +638,11 @@ static int vr_probe(dev)
static int vr_attach(dev)
device_t dev;
{
int s, i;
int i, s;
u_char eaddr[ETHER_ADDR_LEN];
u_int32_t command;
struct vr_softc *sc;
struct ifnet *ifp;
int media = IFM_ETHER|IFM_100_TX|IFM_FDX;
unsigned int round;
caddr_t roundptr;
struct vr_type *p;
u_int16_t phy_vid, phy_did, phy_sts;
int unit, error = 0, rid;
s = splimp();
@ -1057,9 +759,10 @@ static int vr_attach(dev)
sc->vr_unit = unit;
bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
sc->vr_ldata_ptr = malloc(sizeof(struct vr_list_data) + 8,
M_DEVBUF, M_NOWAIT);
if (sc->vr_ldata_ptr == NULL) {
sc->vr_ldata = contigmalloc(sizeof(struct vr_list_data), M_DEVBUF,
M_NOWAIT, 0x100000, 0xffffffff, PAGE_SIZE, 0);
if (sc->vr_ldata == NULL) {
printf("vr%d: no memory for list buffers!\n", unit);
bus_teardown_intr(dev, sc->vr_irq, sc->vr_intrhand);
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vr_irq);
@ -1068,17 +771,6 @@ static int vr_attach(dev)
goto fail;
}
sc->vr_ldata = (struct vr_list_data *)sc->vr_ldata_ptr;
round = (unsigned int)sc->vr_ldata_ptr & 0xF;
roundptr = sc->vr_ldata_ptr;
for (i = 0; i < 8; i++) {
if (round % 8) {
round++;
roundptr++;
} else
break;
}
sc->vr_ldata = (struct vr_list_data *)roundptr;
bzero(sc->vr_ldata, sizeof(struct vr_list_data));
ifp = &sc->arpcom.ac_if;
@ -1095,70 +787,22 @@ static int vr_attach(dev)
ifp->if_baudrate = 10000000;
ifp->if_snd.ifq_maxlen = VR_TX_LIST_CNT - 1;
if (bootverbose)
printf("vr%d: probing for a PHY\n", sc->vr_unit);
for (i = VR_PHYADDR_MIN; i < VR_PHYADDR_MAX + 1; i++) {
if (bootverbose)
printf("vr%d: checking address: %d\n",
sc->vr_unit, i);
sc->vr_phy_addr = i;
vr_phy_writereg(sc, PHY_BMCR, PHY_BMCR_RESET);
DELAY(500);
while(vr_phy_readreg(sc, PHY_BMCR)
& PHY_BMCR_RESET);
if ((phy_sts = vr_phy_readreg(sc, PHY_BMSR)))
break;
}
if (phy_sts) {
phy_vid = vr_phy_readreg(sc, PHY_VENID);
phy_did = vr_phy_readreg(sc, PHY_DEVID);
if (bootverbose)
printf("vr%d: found PHY at address %d, ",
sc->vr_unit, sc->vr_phy_addr);
if (bootverbose)
printf("vendor id: %x device id: %x\n",
phy_vid, phy_did);
p = vr_phys;
while(p->vr_vid) {
if (phy_vid == p->vr_vid &&
(phy_did | 0x000F) == p->vr_did) {
sc->vr_pinfo = p;
break;
}
p++;
}
if (sc->vr_pinfo == NULL)
sc->vr_pinfo = &vr_phys[PHY_UNKNOWN];
if (bootverbose)
printf("vr%d: PHY type: %s\n",
sc->vr_unit, sc->vr_pinfo->vr_name);
} else {
/*
* Do MII setup.
*/
if (mii_phy_probe(dev, &sc->vr_miibus,
vr_ifmedia_upd, vr_ifmedia_sts)) {
printf("vr%d: MII without any phy!\n", sc->vr_unit);
bus_teardown_intr(dev, sc->vr_irq, sc->vr_intrhand);
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vr_irq);
bus_release_resource(dev, VR_RES, VR_RID, sc->vr_res);
free(sc->vr_ldata_ptr, M_DEVBUF);
contigfree(sc->vr_ldata,
sizeof(struct vr_list_data), M_DEVBUF);
error = ENXIO;
goto fail;
}
/*
* Do ifmedia setup.
*/
ifmedia_init(&sc->ifmedia, 0, vr_ifmedia_upd, vr_ifmedia_sts);
vr_getmode_mii(sc);
if (cold) {
vr_autoneg_mii(sc, VR_FLAG_FORCEDELAY, 1);
vr_stop(sc);
} else {
vr_init(sc);
vr_autoneg_mii(sc, VR_FLAG_SCHEDDELAY, 1);
}
media = sc->ifmedia.ifm_media;
ifmedia_set(&sc->ifmedia, media);
callout_handle_init(&sc->vr_stat_ch);
/*
* Call MI attach routines.
@ -1190,12 +834,14 @@ static int vr_detach(dev)
vr_stop(sc);
if_detach(ifp);
bus_generic_detach(dev);
device_delete_child(dev, sc->vr_miibus);
bus_teardown_intr(dev, sc->vr_irq, sc->vr_intrhand);
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vr_irq);
bus_release_resource(dev, VR_RES, VR_RID, sc->vr_res);
free(sc->vr_ldata_ptr, M_DEVBUF);
ifmedia_removeall(&sc->ifmedia);
contigfree(sc->vr_ldata, sizeof(struct vr_list_data), M_DEVBUF);
splx(s);
@ -1466,7 +1112,6 @@ static void vr_txeof(sc)
{
struct vr_chain *cur_tx;
struct ifnet *ifp;
register struct mbuf *n;
ifp = &sc->arpcom.ac_if;
@ -1501,8 +1146,10 @@ static void vr_txeof(sc)
ifp->if_collisions +=(txstat & VR_TXSTAT_COLLCNT) >> 3;
ifp->if_opackets++;
MFREE(cur_tx->vr_mbuf, n);
cur_tx->vr_mbuf = NULL;
if (cur_tx->vr_mbuf != NULL) {
m_freem(cur_tx->vr_mbuf);
cur_tx->vr_mbuf = NULL;
}
if (sc->vr_cdata.vr_tx_head == sc->vr_cdata.vr_tx_tail) {
sc->vr_cdata.vr_tx_head = NULL;
@ -1531,13 +1178,31 @@ static void vr_txeoc(sc)
if (sc->vr_cdata.vr_tx_head == NULL) {
ifp->if_flags &= ~IFF_OACTIVE;
sc->vr_cdata.vr_tx_tail = NULL;
if (sc->vr_want_auto)
vr_autoneg_mii(sc, VR_FLAG_SCHEDDELAY, 1);
}
return;
}
static void vr_tick(xsc)
void *xsc;
{
struct vr_softc *sc;
struct mii_data *mii;
int s;
s = splimp();
sc = xsc;
mii = device_get_softc(sc->vr_miibus);
mii_tick(mii);
sc->vr_stat_ch = timeout(vr_tick, sc, hz);
splx(s);
return;
}
static void vr_intr(arg)
void *arg;
{
@ -1691,10 +1356,8 @@ static void vr_start(ifp)
sc = ifp->if_softc;
if (sc->vr_autoneg) {
sc->vr_tx_pend = 1;
if (ifp->if_flags & IFF_OACTIVE)
return;
}
/*
* Check for an available queue slot. If there are none,
@ -1731,7 +1394,7 @@ static void vr_start(ifp)
bpf_mtap(ifp, cur_tx->vr_mbuf);
#endif
VR_TXOWN(cur_tx) = VR_TXSTAT_OWN;
VR_SETBIT16(sc, VR_COMMAND, VR_CMD_TX_ON|VR_CMD_TX_GO);
VR_SETBIT16(sc, VR_COMMAND, /*VR_CMD_TX_ON|*/VR_CMD_TX_GO);
}
/*
@ -1758,16 +1421,12 @@ static void vr_init(xsc)
{
struct vr_softc *sc = xsc;
struct ifnet *ifp = &sc->arpcom.ac_if;
u_int16_t phy_bmcr = 0;
struct mii_data *mii;
int s;
if (sc->vr_autoneg)
return;
s = splimp();
if (sc->vr_pinfo != NULL)
phy_bmcr = vr_phy_readreg(sc, PHY_BMCR);
mii = device_get_softc(sc->vr_miibus);
/*
* Cancel pending I/O and free all RX/TX buffers.
@ -1822,8 +1481,6 @@ static void vr_init(xsc)
VR_CMD_TX_ON|VR_CMD_RX_ON|
VR_CMD_RX_GO);
vr_setcfg(sc, vr_phy_readreg(sc, PHY_BMCR));
CSR_WRITE_4(sc, VR_TXADDR, vtophys(&sc->vr_ldata->vr_tx_list[0]));
/*
@ -1832,15 +1489,15 @@ static void vr_init(xsc)
CSR_WRITE_2(sc, VR_ISR, 0xFFFF);
CSR_WRITE_2(sc, VR_IMR, VR_INTRS);
/* Restore state of BMCR */
if (sc->vr_pinfo != NULL)
vr_phy_writereg(sc, PHY_BMCR, phy_bmcr);
mii_mediachg(mii);
ifp->if_flags |= IFF_RUNNING;
ifp->if_flags &= ~IFF_OACTIVE;
(void)splx(s);
sc->vr_stat_ch = timeout(vr_tick, sc, hz);
return;
}
@ -1851,18 +1508,11 @@ static int vr_ifmedia_upd(ifp)
struct ifnet *ifp;
{
struct vr_softc *sc;
struct ifmedia *ifm;
sc = ifp->if_softc;
ifm = &sc->ifmedia;
if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
return(EINVAL);
if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO)
vr_autoneg_mii(sc, VR_FLAG_SCHEDDELAY, 1);
else
vr_setmode_mii(sc, ifm->ifm_media);
if (ifp->if_flags & IFF_UP)
vr_init(sc);
return(0);
}
@ -1875,42 +1525,13 @@ static void vr_ifmedia_sts(ifp, ifmr)
struct ifmediareq *ifmr;
{
struct vr_softc *sc;
u_int16_t advert = 0, ability = 0;
struct mii_data *mii;
sc = ifp->if_softc;
ifmr->ifm_active = IFM_ETHER;
if (!(vr_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_AUTONEGENBL)) {
if (vr_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_SPEEDSEL)
ifmr->ifm_active = IFM_ETHER|IFM_100_TX;
else
ifmr->ifm_active = IFM_ETHER|IFM_10_T;
if (vr_phy_readreg(sc, PHY_BMCR) & PHY_BMCR_DUPLEX)
ifmr->ifm_active |= IFM_FDX;
else
ifmr->ifm_active |= IFM_HDX;
return;
}
ability = vr_phy_readreg(sc, PHY_LPAR);
advert = vr_phy_readreg(sc, PHY_ANAR);
if (advert & PHY_ANAR_100BT4 &&
ability & PHY_ANAR_100BT4) {
ifmr->ifm_active = IFM_ETHER|IFM_100_T4;
} else if (advert & PHY_ANAR_100BTXFULL &&
ability & PHY_ANAR_100BTXFULL) {
ifmr->ifm_active = IFM_ETHER|IFM_100_TX|IFM_FDX;
} else if (advert & PHY_ANAR_100BTXHALF &&
ability & PHY_ANAR_100BTXHALF) {
ifmr->ifm_active = IFM_ETHER|IFM_100_TX|IFM_HDX;
} else if (advert & PHY_ANAR_10BTFULL &&
ability & PHY_ANAR_10BTFULL) {
ifmr->ifm_active = IFM_ETHER|IFM_10_T|IFM_FDX;
} else if (advert & PHY_ANAR_10BTHALF &&
ability & PHY_ANAR_10BTHALF) {
ifmr->ifm_active = IFM_ETHER|IFM_10_T|IFM_HDX;
}
mii = device_get_softc(sc->vr_miibus);
mii_pollstat(mii);
ifmr->ifm_active = mii->mii_media_active;
ifmr->ifm_status = mii->mii_media_status;
return;
}
@ -1922,6 +1543,7 @@ static int vr_ioctl(ifp, command, data)
{
struct vr_softc *sc = ifp->if_softc;
struct ifreq *ifr = (struct ifreq *) data;
struct mii_data *mii;
int s, error = 0;
s = splimp();
@ -1948,7 +1570,8 @@ static int vr_ioctl(ifp, command, data)
break;
case SIOCGIFMEDIA:
case SIOCSIFMEDIA:
error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command);
mii = device_get_softc(sc->vr_miibus);
error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
break;
default:
error = EINVAL;
@ -1967,20 +1590,9 @@ static void vr_watchdog(ifp)
sc = ifp->if_softc;
if (sc->vr_autoneg) {
vr_autoneg_mii(sc, VR_FLAG_DELAYTIMEO, 1);
if (!(ifp->if_flags & IFF_UP))
vr_stop(sc);
return;
}
ifp->if_oerrors++;
printf("vr%d: watchdog timeout\n", sc->vr_unit);
if (!(vr_phy_readreg(sc, PHY_BMSR) & PHY_BMSR_LINKSTAT))
printf("vr%d: no carrier - transceiver cable problem?\n",
sc->vr_unit);
vr_stop(sc);
vr_reset(sc);
vr_init(sc);
@ -2004,6 +1616,8 @@ static void vr_stop(sc)
ifp = &sc->arpcom.ac_if;
ifp->if_timer = 0;
untimeout(vr_tick, sc, sc->vr_stat_ch);
VR_SETBIT16(sc, VR_COMMAND, VR_CMD_STOP);
VR_CLRBIT16(sc, VR_COMMAND, (VR_CMD_RX_ON|VR_CMD_TX_ON));
CSR_WRITE_2(sc, VR_IMR, 0x0000);

142
sys/pci/if_vrreg.h
View File

@ -399,23 +399,18 @@ struct vr_mii_frame {
struct vr_softc {
struct arpcom arpcom; /* interface info */
struct ifmedia ifmedia; /* media info */
bus_space_handle_t vr_bhandle; /* bus space handle */
bus_space_tag_t vr_btag; /* bus space tag */
struct resource *vr_res;
struct resource *vr_irq;
void *vr_intrhand;
device_t vr_miibus;
struct vr_type *vr_info; /* Rhine adapter info */
struct vr_type *vr_pinfo; /* phy info */
u_int8_t vr_unit; /* interface number */
u_int8_t vr_type;
u_int8_t vr_phy_addr; /* PHY address */
u_int8_t vr_tx_pend; /* TX pending */
u_int8_t vr_want_auto;
u_int8_t vr_autoneg;
caddr_t vr_ldata_ptr;
struct vr_list_data *vr_ldata;
struct vr_chain_data vr_cdata;
struct callout_handle vr_stat_ch;
};
/*
@ -472,38 +467,6 @@ struct vr_softc {
#define ADDTRON_DEVICEID_RHINE_II 0x1320
/*
* Texas Instruments PHY identifiers
*/
#define TI_PHY_VENDORID 0x4000
#define TI_PHY_10BT 0x501F
#define TI_PHY_100VGPMI 0x502F
/*
* These ID values are for the NS DP83840A 10/100 PHY
*/
#define NS_PHY_VENDORID 0x2000
#define NS_PHY_83840A 0x5C0F
/*
* Level 1 10/100 PHY
*/
#define LEVEL1_PHY_VENDORID 0x7810
#define LEVEL1_PHY_LXT970 0x000F
/*
* Intel 82555 10/100 PHY
*/
#define INTEL_PHY_VENDORID 0x0A28
#define INTEL_PHY_82555 0x015F
/*
* SEEQ 80220 10/100 PHY
*/
#define SEEQ_PHY_VENDORID 0x0016
#define SEEQ_PHY_80220 0xF83F
/*
* PCI low memory base and low I/O base register, and
* other PCI registers.
@ -540,101 +503,8 @@ struct vr_softc {
#define VR_PME_EN 0x0010
#define VR_PME_STATUS 0x8000
#define PHY_UNKNOWN 6
#define VR_PHYADDR_MIN 0x00
#define VR_PHYADDR_MAX 0x1F
#define PHY_BMCR 0x00
#define PHY_BMSR 0x01
#define PHY_VENID 0x02
#define PHY_DEVID 0x03
#define PHY_ANAR 0x04
#define PHY_LPAR 0x05
#define PHY_ANEXP 0x06
#define PHY_ANAR_NEXTPAGE 0x8000
#define PHY_ANAR_RSVD0 0x4000
#define PHY_ANAR_TLRFLT 0x2000
#define PHY_ANAR_RSVD1 0x1000
#define PHY_ANAR_RSVD2 0x0800
#define PHY_ANAR_RSVD3 0x0400
#define PHY_ANAR_100BT4 0x0200
#define PHY_ANAR_100BTXFULL 0x0100
#define PHY_ANAR_100BTXHALF 0x0080
#define PHY_ANAR_10BTFULL 0x0040
#define PHY_ANAR_10BTHALF 0x0020
#define PHY_ANAR_PROTO4 0x0010
#define PHY_ANAR_PROTO3 0x0008
#define PHY_ANAR_PROTO2 0x0004
#define PHY_ANAR_PROTO1 0x0002
#define PHY_ANAR_PROTO0 0x0001
/*
* These are the register definitions for the PHY (physical layer
* interface chip).
*/
/*
* PHY BMCR Basic Mode Control Register
*/
#define PHY_BMCR_RESET 0x8000
#define PHY_BMCR_LOOPBK 0x4000
#define PHY_BMCR_SPEEDSEL 0x2000
#define PHY_BMCR_AUTONEGENBL 0x1000
#define PHY_BMCR_RSVD0 0x0800 /* write as zero */
#define PHY_BMCR_ISOLATE 0x0400
#define PHY_BMCR_AUTONEGRSTR 0x0200
#define PHY_BMCR_DUPLEX 0x0100
#define PHY_BMCR_COLLTEST 0x0080
#define PHY_BMCR_RSVD1 0x0040 /* write as zero, don't care */
#define PHY_BMCR_RSVD2 0x0020 /* write as zero, don't care */
#define PHY_BMCR_RSVD3 0x0010 /* write as zero, don't care */
#define PHY_BMCR_RSVD4 0x0008 /* write as zero, don't care */
#define PHY_BMCR_RSVD5 0x0004 /* write as zero, don't care */
#define PHY_BMCR_RSVD6 0x0002 /* write as zero, don't care */
#define PHY_BMCR_RSVD7 0x0001 /* write as zero, don't care */
/*
* RESET: 1 == software reset, 0 == normal operation
* Resets status and control registers to default values.
* Relatches all hardware config values.
*
* LOOPBK: 1 == loopback operation enabled, 0 == normal operation
*
* SPEEDSEL: 1 == 100Mb/s, 0 == 10Mb/s
* Link speed is selected byt his bit or if auto-negotiation if bit
* 12 (AUTONEGENBL) is set (in which case the value of this register
* is ignored).
*
* AUTONEGENBL: 1 == Autonegotiation enabled, 0 == Autonegotiation disabled
* Bits 8 and 13 are ignored when autoneg is set, otherwise bits 8 and 13
* determine speed and mode. Should be cleared and then set if PHY configured
* for no autoneg on startup.
*
* ISOLATE: 1 == isolate PHY from MII, 0 == normal operation
*
* AUTONEGRSTR: 1 == restart autonegotiation, 0 = normal operation
*
* DUPLEX: 1 == full duplex mode, 0 == half duplex mode
*
* COLLTEST: 1 == collision test enabled, 0 == normal operation
*/
/*
* PHY, BMSR Basic Mode Status Register
*/
#define PHY_BMSR_100BT4 0x8000
#define PHY_BMSR_100BTXFULL 0x4000
#define PHY_BMSR_100BTXHALF 0x2000
#define PHY_BMSR_10BTFULL 0x1000
#define PHY_BMSR_10BTHALF 0x0800
#define PHY_BMSR_RSVD1 0x0400 /* write as zero, don't care */
#define PHY_BMSR_RSVD2 0x0200 /* write as zero, don't care */
#define PHY_BMSR_RSVD3 0x0100 /* write as zero, don't care */
#define PHY_BMSR_RSVD4 0x0080 /* write as zero, don't care */
#define PHY_BMSR_MFPRESUP 0x0040
#define PHY_BMSR_AUTONEGCOMP 0x0020
#define PHY_BMSR_REMFAULT 0x0010
#define PHY_BMSR_CANAUTONEG 0x0008
#define PHY_BMSR_LINKSTAT 0x0004
#define PHY_BMSR_JABBER 0x0002
#define PHY_BMSR_EXTENDED 0x0001
#ifdef __alpha__
#undef vtophys
#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va)
#endif