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-rw-r--r--sys/arch/macppc/conf/GENERIC4
-rw-r--r--sys/arch/macppc/conf/files.macppc4
-rw-r--r--sys/arch/macppc/dev/if_bm.c281
-rw-r--r--sys/arch/macppc/dev/if_bmreg.h9
4 files changed, 160 insertions, 138 deletions
diff --git a/sys/arch/macppc/conf/GENERIC b/sys/arch/macppc/conf/GENERIC
index 87ec005ca70..e579663557d 100644
--- a/sys/arch/macppc/conf/GENERIC
+++ b/sys/arch/macppc/conf/GENERIC
@@ -1,4 +1,4 @@
-# $OpenBSD: GENERIC,v 1.1 2001/09/01 15:59:31 drahn Exp $
+# $OpenBSD: GENERIC,v 1.2 2001/09/16 03:19:30 drahn Exp $
#
# PPC GENERIC config file
#
@@ -64,7 +64,7 @@ exphy* at mii? phy ? # 3Com internal PHYs
inphy* at mii? phy ? # Intel 82555 PHYs
iophy* at mii? phy ? # Intel 82553 PHYs
icsphy* at mii? phy ? # ICS1890 PHYs
-#lxtphy* at mii? phy ? # Level One LXT-970 PHYs
+lxtphy* at mii? phy ? # Level One LXT-970 PHYs
nsphy* at mii? phy ? # NS83840 PHYs
#nsphyter* at mii? phy ? # NS83843 PHYs
#qsphy* at mii? phy ? # Quality Semi QS6612 PHYs
diff --git a/sys/arch/macppc/conf/files.macppc b/sys/arch/macppc/conf/files.macppc
index 6ec935d7f9c..85c002291fd 100644
--- a/sys/arch/macppc/conf/files.macppc
+++ b/sys/arch/macppc/conf/files.macppc
@@ -1,4 +1,4 @@
-# $OpenBSD: files.macppc,v 1.2 2001/09/01 17:38:52 drahn Exp $
+# $OpenBSD: files.macppc,v 1.3 2001/09/16 03:19:30 drahn Exp $
#
# macppc-specific configuration info
@@ -127,7 +127,7 @@ attach mc at macobio
file arch/macppc/dev/if_mc.c mc
file arch/macppc/dev/am79c950.c mc
-device bm: ether, ifnet, ifmedia
+device bm: ether, ifnet, ifmedia, mii, mii_bitbang
attach bm at macobio
file arch/macppc/dev/if_bm.c bm
diff --git a/sys/arch/macppc/dev/if_bm.c b/sys/arch/macppc/dev/if_bm.c
index 640047ab794..5f7e8b9f0fb 100644
--- a/sys/arch/macppc/dev/if_bm.c
+++ b/sys/arch/macppc/dev/if_bm.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_bm.c,v 1.3 2001/09/15 01:51:11 mickey Exp $ */
+/* $OpenBSD: if_bm.c,v 1.4 2001/09/16 03:19:30 drahn Exp $ */
/* $NetBSD: if_bm.c,v 1.1 1999/01/01 01:27:52 tsubai Exp $ */
/*-
@@ -39,6 +39,8 @@
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/systm.h>
+#include <sys/timeout.h>
+#include <sys/kernel.h>
#include <net/if.h>
#include <netinet/in.h>
@@ -52,6 +54,10 @@
#include <vm/vm.h>
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+#include <dev/mii/mii_bitbang.h>
+
#include <dev/ofw/openfirm.h>
#include <machine/bus.h>
@@ -75,7 +81,7 @@ struct bmac_softc {
#define sc_if sc_ethercom.ec_if
u_char sc_enaddr[6];
#endif
- struct ifmedia sc_media;
+ struct timeout sc_tick_ch;
vaddr_t sc_regs;
bus_dma_tag_t sc_dmat;
dbdma_regmap_t *sc_txdma, *sc_rxdma;
@@ -87,6 +93,7 @@ struct bmac_softc {
int sc_flags;
int sc_debug;
int txcnt_outstanding;
+ struct mii_data sc_mii;
};
#define BMAC_BMACPLUS 0x01
@@ -119,16 +126,23 @@ static int bmac_ioctl __P((struct ifnet *, u_long, caddr_t));
static int bmac_mediachange __P((struct ifnet *));
static void bmac_mediastatus __P((struct ifnet *, struct ifmediareq *));
static void bmac_setladrf __P((struct bmac_softc *));
-void bmac_init_mif __P((struct bmac_softc *sc));
-u_int bmac_mif_readbits __P((struct bmac_softc *sc, int nb));
-void bmac_mif_writebits __P((struct bmac_softc *sc, u_int val, int nb));
-u_int bmac_mif_read __P((struct bmac_softc *sc, u_int addr));
-void bmac_mif_write __P((struct bmac_softc *sc, u_int addr, u_int val));
+
+int bmac_mii_readreg __P((struct device *, int, int));
+void bmac_mii_writereg __P((struct device *, int, int, int));
+void bmac_mii_statchg __P((struct device *));
+void bmac_mii_tick __P((void *));
+u_int32_t bmac_mbo_read __P((struct device *));
+void bmac_mbo_write __P((struct device *, u_int32_t));
struct cfattach bm_ca = {
sizeof(struct bmac_softc), bmac_match, bmac_attach
};
+struct mii_bitbang_ops bmac_mbo = {
+ bmac_mbo_read, bmac_mbo_write,
+ { MIFDO, MIFDI, MIFDC, MIFDIR, 0 }
+};
+
struct cfdriver bm_cd = {
NULL, "bm", DV_IFNET
};
@@ -193,8 +207,11 @@ bmac_attach(parent, self, aux)
struct confargs *ca = aux;
struct bmac_softc *sc = (void *)self;
struct ifnet *ifp = &sc->sc_if;
+ struct mii_data *mii = &sc->sc_mii;
u_char laddr[6];
+ timeout_set(&sc->sc_tick_ch, bmac_mii_tick, sc);
+
sc->sc_flags =0;
if (strcmp(ca->ca_name, "ethernet") == 0) {
sc->sc_flags |= BMAC_BMACPLUS;
@@ -250,9 +267,22 @@ bmac_attach(parent, self, aux)
IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS | IFF_MULTICAST;
ifp->if_watchdog = bmac_watchdog;
- ifmedia_init(&sc->sc_media, 0, bmac_mediachange, bmac_mediastatus);
- ifmedia_add(&sc->sc_media, IFM_ETHER|IFM_10_T, 0, NULL);
- ifmedia_set(&sc->sc_media, IFM_ETHER|IFM_10_T);
+ mii->mii_ifp = ifp;
+ mii->mii_readreg = bmac_mii_readreg;
+ mii->mii_writereg = bmac_mii_writereg;
+ mii->mii_statchg = bmac_mii_statchg;
+
+ ifmedia_init(&mii->mii_media, 0, bmac_mediachange, bmac_mediastatus);
+ mii_attach(&sc->sc_dev, mii, 0xffffffff, MII_PHY_ANY,
+ MII_OFFSET_ANY, 0);
+
+ /* Choose a default media. */
+ if (LIST_FIRST(&mii->mii_phys) == NULL) {
+ ifmedia_add(&mii->mii_media, IFM_ETHER|IFM_10_T, 0, NULL);
+ ifmedia_set(&mii->mii_media, IFM_ETHER|IFM_10_T);
+ } else {
+ ifmedia_set(&mii->mii_media, IFM_ETHER|IFM_AUTO);
+ }
bmac_reset_chip(sc);
@@ -281,7 +311,7 @@ bmac_reset_chip(sc)
/* assert reset */
v |= ResetEnetCell;
out32rb(heathrow_FCR, v);
- delay(70000);
+ delay(50000);
/* deassert reset */
v &= ~ResetEnetCell;
@@ -306,22 +336,30 @@ bmac_init(sc)
struct ether_header *eh;
caddr_t data;
int tb;
+ int i, bmcr;
u_short *p;
- bmac_init_mif(sc);
bmac_reset_chip(sc);
+ /* XXX */
+ bmcr = bmac_mii_readreg((struct device *)sc, 0, MII_BMCR);
+ bmcr &= ~BMCR_ISO;
+ bmac_mii_writereg((struct device *)sc, 0, MII_BMCR, bmcr);
+
bmac_write_reg(sc, RXRST, RxResetValue);
bmac_write_reg(sc, TXRST, TxResetBit);
/* Wait for reset completion. */
- do {
- delay(10000);
- } while (bmac_read_reg(sc, TXRST) & TxResetBit);
+ for (i = 1000; i > 0; i -= 10) {
+ if ((bmac_read_reg(sc, TXRST) & TxResetBit) == 0)
+ break;
+ delay(10);
+ }
+ if (i <= 0)
+ printf("%s: reset timeout\n", ifp->if_xname);
if (! (sc->sc_flags & BMAC_BMACPLUS)) {
bmac_set_bits(sc, XCVRIF, ClkBit|SerialMode|COLActiveLow);
- delay(100);
}
__asm __volatile ("mftb %0" : "=r"(tb));
@@ -391,6 +429,8 @@ bmac_init(sc)
bmac_transmit_packet(sc, data, sizeof(eh) + ETHERMIN);
bmac_start(ifp);
+
+ timeout_add(&sc->sc_tick_ch, hz);
}
void
@@ -515,7 +555,7 @@ bmac_rint(v)
if ((status & DBDMA_CNTRL_ACTIVE) == 0) /* 0x9440 | 0x8440 */
continue;
count = dbdma_ld16(&cmd->d_count);
- datalen = count - resid;
+ datalen = count - resid; /* 2 == framelen */
if (datalen < sizeof(struct ether_header)) {
printf("%s: short packet len = %d\n",
ifp->if_xname, datalen);
@@ -523,6 +563,10 @@ bmac_rint(v)
}
DBDMA_BUILD_CMD(cmd, DBDMA_CMD_STOP, 0, 0, 0, 0);
data = sc->sc_rxbuf + BMAC_BUFLEN * i;
+
+ /* XXX Sometimes bmac reads one extra byte. */
+ if (datalen == ETHER_MAX_LEN + 1)
+ datalen--;
m = bmac_get(sc, data, datalen);
if (m == NULL) {
@@ -579,6 +623,10 @@ bmac_stop(sc)
s = splnet();
+ /* timeout */
+ timeout_del(&sc->sc_tick_ch);
+ mii_down(&sc->sc_mii);
+
/* Disable TX/RX. */
bmac_reset_bits(sc, TXCFG, TxMACEnable);
bmac_reset_bits(sc, RXCFG, RxMACEnable);
@@ -695,6 +743,9 @@ bmac_get(sc, pkt, totlen)
MGETHDR(m, M_DONTWAIT, MT_DATA);
if (m == 0)
return 0;
+ /* - XXX
+ m->m_flags |= M_HASFCS;
+ */
m->m_pkthdr.rcvif = &sc->sc_if;
m->m_pkthdr.len = totlen;
len = MHLEN;
@@ -855,7 +906,7 @@ bmac_ioctl(ifp, cmd, data)
case SIOCGIFMEDIA:
case SIOCSIFMEDIA:
- error = ifmedia_ioctl(ifp, ifr, &sc->sc_media, cmd);
+ error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd);
break;
default:
@@ -870,7 +921,9 @@ int
bmac_mediachange(ifp)
struct ifnet *ifp;
{
- return EINVAL;
+ struct bmac_softc *sc = ifp->if_softc;
+
+ return mii_mediachg(&sc->sc_mii);
}
void
@@ -878,14 +931,14 @@ bmac_mediastatus(ifp, ifmr)
struct ifnet *ifp;
struct ifmediareq *ifmr;
{
- if ((ifp->if_flags & IFF_UP) == 0)
- return;
+ struct bmac_softc *sc = ifp->if_softc;
+
+ mii_pollstat(&sc->sc_mii);
- ifmr->ifm_status = IFM_AVALID;
- ifmr->ifm_status |= IFM_ACTIVE;
+ ifmr->ifm_status = sc->sc_mii.mii_media_status;
+ ifmr->ifm_active = sc->sc_mii.mii_media_active;
}
-#define MC_POLY_BE 0x04c11db7UL /* mcast crc, big endian */
#define MC_POLY_LE 0xedb88320UL /* mcast crc, little endian */
/*
@@ -898,9 +951,9 @@ bmac_setladrf(sc)
struct ifnet *ifp = &sc->sc_if;
struct ether_multi *enm;
struct ether_multistep step;
- int i, j;
u_int32_t crc;
u_int16_t hash[4];
+ int x, i, j;
u_int8_t octet;
/*
@@ -911,12 +964,14 @@ bmac_setladrf(sc)
* the word.
*/
- if (ifp->if_flags & IFF_ALLMULTI)
- goto allmulti;
-
if (ifp->if_flags & IFF_PROMISC) {
bmac_set_bits(sc, RXCFG, RxPromiscEnable);
- goto allmulti;
+ return;
+ }
+
+ if (ifp->if_flags & IFF_ALLMULTI) {
+ hash[3] = hash[2] = hash[1] = hash[0] = 0xffff;
+ goto chipit;
}
hash[3] = hash[2] = hash[1] = hash[0] = 0;
@@ -935,7 +990,9 @@ bmac_setladrf(sc)
* ranges is for IP multicast routing, for which the
* range is big enough to require all bits set.)
*/
- goto allmulti;
+ hash[3] = hash[2] = hash[1] = hash[0] = 0xffff;
+ ifp->if_flags |= IFF_ALLMULTI;
+ goto chipit;
}
crc = 0xffffffff;
@@ -961,126 +1018,86 @@ bmac_setladrf(sc)
ETHER_NEXT_MULTI(step, enm);
}
- bmac_write_reg(sc, HASH3, hash[3]);
- bmac_write_reg(sc, HASH2, hash[2]);
- bmac_write_reg(sc, HASH1, hash[1]);
- bmac_write_reg(sc, HASH0, hash[0]);
+
ifp->if_flags &= ~IFF_ALLMULTI;
- return;
-
-allmulti:
- ifp->if_flags |= IFF_ALLMULTI;
- bmac_write_reg(sc, HASH3, 0xffff);
- bmac_write_reg(sc, HASH2, 0xffff);
- bmac_write_reg(sc, HASH1, 0xffff);
- bmac_write_reg(sc, HASH0, 0xffff);
-}
-#define MIFDELAY delay(1)
+chipit:
+ bmac_write_reg(sc, HASH0, hash[0]);
+ bmac_write_reg(sc, HASH1, hash[1]);
+ bmac_write_reg(sc, HASH2, hash[2]);
+ bmac_write_reg(sc, HASH3, hash[3]);
+ x = bmac_read_reg(sc, RXCFG);
+ x &= ~RxPromiscEnable;
+ x |= RxHashFilterEnable;
+ bmac_write_reg(sc, RXCFG, x);
+}
-u_int
-bmac_mif_readbits(sc, nb)
- struct bmac_softc *sc;
- int nb;
+int
+bmac_mii_readreg(dev, phy, reg)
+ struct device *dev;
+ int phy, reg;
{
- unsigned int val = 0;
-
- while (--nb >= 0) {
- bmac_write_reg(sc, MIFCSR, 0);
- MIFDELAY;
- if (bmac_read_reg(sc, MIFCSR) & 8)
- val |= 1 << nb;
- bmac_write_reg(sc, MIFCSR, 1);
- MIFDELAY;
- }
- bmac_write_reg(sc, MIFCSR, 0);
- MIFDELAY;
- bmac_write_reg(sc, MIFCSR, 1);
- MIFDELAY;
- return val;
+ return mii_bitbang_readreg(dev, &bmac_mbo, phy, reg);
}
void
-bmac_mif_writebits(sc, val, nb)
- struct bmac_softc *sc;
- u_int val;
- int nb;
+bmac_mii_writereg(dev, phy, reg, val)
+ struct device *dev;
+ int phy, reg, val;
{
- int b;
-
- while (--nb >= 0) {
- b = (val & (1 << nb))? 6: 4;
- bmac_write_reg(sc, MIFCSR, b);
- MIFDELAY;
- bmac_write_reg(sc, MIFCSR, b|1);
- MIFDELAY;
- }
+ mii_bitbang_writereg(dev, &bmac_mbo, phy, reg, val);
}
-u_int
-bmac_mif_read(sc, addr)
- struct bmac_softc *sc;
- u_int addr;
+u_int32_t
+bmac_mbo_read(dev)
+ struct device *dev;
{
- u_int val;
-
- bmac_write_reg(sc, MIFCSR, 4);
- MIFDELAY;
- bmac_mif_writebits(sc, ~0U, 32);
- bmac_mif_writebits(sc, 6, 4);
- bmac_mif_writebits(sc, addr, 10);
- bmac_write_reg(sc, MIFCSR, 2);
- MIFDELAY;
- bmac_write_reg(sc, MIFCSR, 1);
- MIFDELAY;
- val = bmac_mif_readbits(sc, 17);
- bmac_write_reg(sc, MIFCSR, 4);
- MIFDELAY;
- /* printk(KERN_DEBUG "bmac_mif_read(%x) -> %x\n", addr, val); */
- return val;
+ struct bmac_softc *sc = (void *)dev;
+
+ return bmac_read_reg(sc, MIFCSR);
}
void
-bmac_mif_write(sc, addr, val)
- struct bmac_softc *sc;
- u_int addr;
- u_int val;
+bmac_mbo_write(dev, val)
+ struct device *dev;
+ u_int32_t val;
{
- bmac_write_reg(sc, MIFCSR, 4);
- MIFDELAY;
- bmac_mif_writebits(sc, ~0U, 32);
- bmac_mif_writebits(sc, 5, 4);
- bmac_mif_writebits(sc, addr, 10);
- bmac_mif_writebits(sc, 2, 2);
- bmac_mif_writebits(sc, val, 16);
- bmac_mif_writebits(sc, 3, 2);
+ struct bmac_softc *sc = (void *)dev;
+
+ bmac_write_reg(sc, MIFCSR, val);
}
void
-bmac_init_mif(sc)
- struct bmac_softc *sc;
+bmac_mii_statchg(dev)
+ struct device *dev;
{
- int id;
- if (sc->sc_flags & BMAC_BMACPLUS) {
- id = bmac_mif_read(sc,2);
- switch (id) {
- case 0x7810:
- if (bmac_mif_read(sc,4) == 0xa1) {
- bmac_mif_write(sc, 0, 0x1000);
- } else {
- bmac_mif_write(sc, 4, 0xa1);
- bmac_mif_write(sc, 0, 0x1200);
- }
-#if 0
- /* DEBUGGING */
- printf("mif 0 %x\n", bmac_mif_read(sc, 0));
- printf("mif 4 %x\n", bmac_mif_read(sc, 4));
+ struct bmac_softc *sc = (void *)dev;
+ int x;
+
+ /* Update duplex mode in TX configuration */
+ x = bmac_read_reg(sc, TXCFG);
+ if ((IFM_OPTIONS(sc->sc_mii.mii_media_active) & IFM_FDX) != 0)
+ x |= TxFullDuplex;
+ else
+ x &= ~TxFullDuplex;
+ bmac_write_reg(sc, TXCFG, x);
+
+#ifdef BMAC_DEBUG
+ printf("bmac_mii_statchg 0x%x\n",
+ IFM_OPTIONS(sc->sc_mii.mii_media_active));
#endif
- break;
- default:
- printf("bmac mif id %x not regcognized\n", id);
- /* nothing */
- }
- }
- return;
+}
+
+void
+bmac_mii_tick(v)
+ void *v;
+{
+ struct bmac_softc *sc = v;
+ int s;
+
+ s = splnet();
+ mii_tick(&sc->sc_mii);
+ splx(s);
+
+ timeout_add(&sc->sc_tick_ch, hz);
}
diff --git a/sys/arch/macppc/dev/if_bmreg.h b/sys/arch/macppc/dev/if_bmreg.h
index 8506808e952..40638f9edfc 100644
--- a/sys/arch/macppc/dev/if_bmreg.h
+++ b/sys/arch/macppc/dev/if_bmreg.h
@@ -1,5 +1,5 @@
-/* $OpenBSD: if_bmreg.h,v 1.1 2001/09/01 15:50:00 drahn Exp $ */
-/* $NetBSD: if_bmreg.h,v 1.1 1999/01/01 01:27:52 tsubai Exp $ */
+/* $OpenBSD: if_bmreg.h,v 1.2 2001/09/16 03:19:30 drahn Exp $ */
+/* $NetBSD: if_bmreg.h,v 1.2 2000/01/25 14:38:50 tsubai Exp $ */
/*
* Copyright 1991-1998 by Open Software Foundation, Inc.
@@ -53,6 +53,10 @@
#define ClkBit 0x0008
#define CHIPID 0x0170
#define MIFCSR 0x0180
+#define MIFDC 0x0001 /* MII clock */
+#define MIFDO 0x0002 /* MII data out */
+#define MIFDIR 0x0004 /* MII direction (1: write) */
+#define MIFDI 0x0008 /* MII data in */
#define SROMCSR 0x0190
#define TXPNTR 0x01A0
#define RXPNTR 0x01B0
@@ -83,6 +87,7 @@
#define TXCFG 0x0430
#define TxMACEnable 0x0001
#define TxThreshold 0x0004
+#define TxFullDuplex 0x0200
#define IPG1 0x0440
#define IPG2 0x0450
#define ALIMIT 0x0460