Busified.

OpenBSD tag added.
mii code corrected (seems to work, anyone want to verify this?) only tesed at
10baseT
interrupt configuration hacked, pa_line contents not reliable, hacked for
now.

1 files changed, 184 insertions, 146 deletions

diff --git a/sys/arch/powerpc/mac/if_bm.c b/sys/arch/powerpc/mac/if_bm.c
index 1cbcf4cff4d..c6f3cd4c101 100644
--- a/sys/arch/powerpc/mac/if_bm.c
+++ b/sys/arch/powerpc/mac/if_bm.c
@@ -1,8 +1,8 @@
-/*	$OpenBSD: if_bm.c,v 1.3 2000/03/20 07:26:49 rahnds Exp $	*/
-/*	$NetBSD: if_bm.c,v 1.1 1999/01/01 01:27:52 tsubai Exp $	*/
+/*	$OpenBSD: if_bm.c,v 1.4 2000/03/25 04:36:56 rahnds Exp $	*/
+/*	$NetBSD: if_bm.c,v 1.6 2000/02/02 17:09:43 thorpej Exp $	*/
 
 /*-
- * Copyright (C) 1998, 1999 Tsubai Masanari.  All rights reserved.
+ * Copyright (C) 1998, 1999, 2000 Tsubai Masanari.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -36,10 +36,13 @@
 #include <sys/param.h>
 #include <sys/device.h>
 #include <sys/ioctl.h>
+#include <sys/kernel.h>
 #include <sys/mbuf.h>
 #include <sys/socket.h>
 #include <sys/systm.h>
 
+#include <vm/vm.h>
+
 #include <net/if.h>
 #include <netinet/in.h>
 #include <netinet/if_ether.h>
@@ -47,13 +50,23 @@
 
 #if NBPFILTER > 0
 #include <net/bpf.h>
-#include <net/bpfdesc.h>
 #endif
 
-#include <vm/vm.h>
+#ifdef INET
+#include <netinet/in.h>
+#ifdef __NetBSD__
+#include <netinet/if_inarp.h>
+#endif /* __NetBSD__ */
+#endif
 
 #include <dev/ofw/openfirm.h>
 
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+#ifdef __NetBSD__
+#include <dev/mii/mii_bitbang.h>
+#endif /* __NetBSD__ */
+
 #include <machine/autoconf.h>
 #include <machine/pio.h>
 
@@ -75,7 +88,6 @@ struct bmac_softc {
 #define sc_if sc_ethercom.ec_if
 	u_char sc_enaddr[6];
 #endif
-	struct ifmedia sc_media;
 	vaddr_t sc_regs;
 	dbdma_regmap_t *sc_txdma;
 	dbdma_regmap_t *sc_rxdma;
@@ -85,11 +97,12 @@ struct bmac_softc {
 	caddr_t sc_rxbuf;
 	int sc_rxlast;
 	int sc_flags;
-	int sc_debug;
+	struct mii_data sc_mii;
 	int txcnt_outstanding;
 };
 
 #define BMAC_BMACPLUS	0x01
+#define BMAC_DEBUGFLAG	0x02
 
 extern u_int *heathrow_FCR;
 
@@ -98,31 +111,46 @@ static __inline void bmac_write_reg __P((struct bmac_softc *, int, int));
 static __inline void bmac_set_bits __P((struct bmac_softc *, int, int));
 static __inline void bmac_reset_bits __P((struct bmac_softc *, int, int));
 
-static int bmac_match __P((struct device *, void *, void *));
-static void bmac_attach __P((struct device *, struct device *, void *));
-static void bmac_reset_chip __P((struct bmac_softc *));
-static void bmac_init __P((struct bmac_softc *));
-static void bmac_init_dma __P((struct bmac_softc *));
-static int bmac_intr __P((void *));
-static int bmac_tx_intr __P((void *));
-static int bmac_rint __P((void *));
-static void bmac_reset __P((struct bmac_softc *));
-static void bmac_stop __P((struct bmac_softc *));
-static void bmac_start __P((struct ifnet *));
-static void bmac_transmit_packet __P((struct bmac_softc *, void *, int));
-static int bmac_put __P((struct bmac_softc *, caddr_t, struct mbuf *));
-static struct mbuf *bmac_get __P((struct bmac_softc *, caddr_t, int));
-static void bmac_watchdog __P((struct ifnet *));
-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));
+int bmac_match __P((struct device *, void *, void *));
+void bmac_attach __P((struct device *, struct device *, void *));
+void bmac_reset_chip __P((struct bmac_softc *));
+void bmac_init __P((struct bmac_softc *));
+void bmac_init_dma __P((struct bmac_softc *));
+int bmac_intr __P((void *));
+int bmac_tx_intr __P((void *));
+int bmac_rint __P((void *));
+void bmac_reset __P((struct bmac_softc *));
+void bmac_stop __P((struct bmac_softc *));
+void bmac_start __P((struct ifnet *));
+void bmac_transmit_packet __P((struct bmac_softc *, void *, int));
+int bmac_put __P((struct bmac_softc *, caddr_t, struct mbuf *));
+struct mbuf *bmac_get __P((struct bmac_softc *, caddr_t, int));
+void bmac_watchdog __P((struct ifnet *));
+int bmac_ioctl __P((struct ifnet *, u_long, caddr_t));
+int bmac_mediachange __P((struct ifnet *));
+void bmac_mediastatus __P((struct ifnet *, struct ifmediareq *));
+void bmac_setladrf __P((struct bmac_softc *));
+
+#ifdef __NetBSD__
+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));
+#endif /* __NetBSD__ */
 
 struct cfattach bm_ca = {
 	sizeof(struct bmac_softc), bmac_match, bmac_attach
 };
 
+#ifdef __NetBSD__
+struct mii_bitbang_ops bmac_mbo = {
+	bmac_mbo_read, bmac_mbo_write,
+	{ MIFDO, MIFDI, MIFDC, MIFDIR, 0 }
+};
+#endif /* __NetBSD__ */
+
 struct cfdriver bm_cd = {
 	NULL, "bm", DV_IFNET
 };
@@ -171,10 +199,12 @@ bmac_match(parent, cf, aux)
 	if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
 		return 0;
 
-	if (strcmp(ca->ca_name, "bmac") == 0)		/* bmac */
+	if (strcmp(ca->ca_name, "bmac") == 0) {		/* bmac */
 		return 1;
-	if (strcmp(ca->ca_name, "ethernet") == 0)	/* bmac+ */
+	}
+	if (strcmp(ca->ca_name, "ethernet") == 0) {	/* bmac+ */
 		return 1;
+	}
 
 	return 0;
 }
@@ -187,11 +217,16 @@ 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];
-	int i;
 
 	sc->sc_flags =0;
 	if (strcmp(ca->ca_name, "ethernet") == 0) {
+		char name[64];
+
+		bzero(name, 64);
+		OF_package_to_path(ca->ca_node, name, sizeof(name));
+		OF_open(name);
 		sc->sc_flags |= BMAC_BMACPLUS;
 	}
 
@@ -242,9 +277,27 @@ 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);
+#ifdef __NetBSD__
+	mii->mii_ifp = ifp;
+	mii->mii_readreg = bmac_mii_readreg;
+	mii->mii_writereg = bmac_mii_writereg;
+	mii->mii_statchg = bmac_mii_statchg;
+#endif /* __NetBSD__ */
+
+#ifdef __NetBSD__
+	ifmedia_init(&mii->mii_media, 0, bmac_mediachange, bmac_mediastatus);
+#endif /* __NetBSD__ */
+#ifdef __NetBSD__
+	mii_attach(&sc->sc_dev, mii, 0xffffffff, MII_PHY_ANY,
+		      MII_OFFSET_ANY, 0);
+#endif /* __NetBSD__ */
+
+	/* 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);
 
@@ -301,23 +354,30 @@ bmac_init(sc)
 	struct ifnet *ifp = &sc->sc_if;
 	struct ether_header *eh;
 	caddr_t data;
-	int i, tb;
+	int i, tb, bmcr;
 	u_short *p;
 
-	bmac_init_mif(sc);
 	bmac_reset_chip(sc);
 
+#ifdef __NetBSD__
+	/* XXX */
+	bmcr = bmac_mii_readreg((struct device *)sc, 0, MII_BMCR);
+	bmcr &= ~BMCR_ISO;
+	bmac_mii_writereg((struct device *)sc, 0, MII_BMCR, bmcr);
+#endif /* __NetBSD__ */
+
 	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);
+ 	do {
+ 		delay(100); 
+ 	} while (bmac_read_reg(sc, TXRST) & TxResetBit);
+	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);
+  		bmac_set_bits(sc, XCVRIF, ClkBit|SerialMode|COLActiveLow);
 	}
 
 	__asm __volatile ("mftb %0" : "=r"(tb));
@@ -387,6 +447,11 @@ bmac_init(sc)
 	bmac_transmit_packet(sc, data, sizeof(eh) + ETHERMIN);
 
 	bmac_start(ifp);
+
+#ifdef __NetBSD__
+	untimeout(bmac_mii_tick, sc);
+	timeout(bmac_mii_tick, sc, hz);
+#endif /* __NetBSD__ */
 }
 
 void
@@ -534,15 +599,10 @@ bmac_rint(v)
 			bpf_mtap(ifp->if_bpf, m);
 #endif
 #ifdef __OpenBSD__
-#if 0
-		ether_input(ifp, mtod(m, struct ether_header *), m);
-#else
 		m_adj(m, sizeof(struct ether_header));
 		ether_input(ifp, data, m);
-#endif
 #else
-		m_adj(m, sizeof(struct ether_header));
-		ether_input(ifp, data, m);
+		(*ifp->if_input)(ifp, m);
 #endif
 		ifp->if_ipackets++;
 
@@ -579,6 +639,11 @@ bmac_stop(sc)
 
 	s = splnet();
 
+#ifdef __NetBSD__
+	untimeout(bmac_mii_tick, sc);
+	mii_down(&sc->sc_mii);
+#endif /* __NetBSD__ */
+
 	/* Disable TX/RX. */
 	bmac_reset_bits(sc, TXCFG, TxMACEnable);
 	bmac_reset_bits(sc, RXCFG, RxMACEnable);
@@ -755,7 +820,6 @@ bmac_ioctl(ifp, cmd, data)
 	struct ifaddr *ifa = (struct ifaddr *)data;
 	struct ifreq *ifr = (struct ifreq *)data;
 	int s, error = 0;
-	int temp;
 
 	s = splnet();
 
@@ -825,9 +889,7 @@ bmac_ioctl(ifp, cmd, data)
 		}
 #ifdef BMAC_DEBUG
 		if (ifp->if_flags & IFF_DEBUG)
-			sc->sc_debug = 1;
-		else
-			sc->sc_debug = 0;
+			sc->sc_flags |= BMAC_DEBUGFLAG;
 #endif
 		break;
 
@@ -856,7 +918,7 @@ 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:
@@ -867,24 +929,31 @@ bmac_ioctl(ifp, cmd, data)
 	return error;
 }
 
+#ifdef __NetBSD__
 int
 bmac_mediachange(ifp)
 	struct ifnet *ifp;
 {
-	return EINVAL;
+	struct bmac_softc *sc = ifp->if_softc;
+
+	return mii_mediachg(&sc->sc_mii);
 }
+#endif /* __NetBSD__ */
 
+#ifdef __NetBSD__
 void
 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;
 }
+#endif /* __NetBSD__ */
 
 #define MC_POLY_BE 0x04c11db7UL		/* mcast crc, big endian */
 #define MC_POLY_LE 0xedb88320UL		/* mcast crc, little endian */
@@ -977,111 +1046,80 @@ allmulti:
 	bmac_write_reg(sc, HASH0, 0xffff);
 }
 
-#define MIFDELAY	delay(1)
-
-unsigned int
-bmac_mif_readbits(sc, nb)
-	struct bmac_softc *sc;
-	int nb;
+#ifdef __NetBSD__
+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);
 }
+#endif /* __NetBSD__ */
 
+#ifdef __NetBSD__
 void
-bmac_mif_writebits(sc, val, nb)
-	struct bmac_softc *sc;
-	unsigned 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);
 }
+#endif /* __NetBSD__ */
 
-unsigned int
-bmac_mif_read(sc, addr)
-	struct bmac_softc *sc;
-	unsigned int addr;
+#ifdef __NetBSD__
+u_int32_t
+bmac_mbo_read(dev)
+	struct device *dev;
 {
-	unsigned 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;
-	unsigned int addr;
-	unsigned 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;
 }
+#endif /* __NetBSD__ */
+
+#ifdef __NetBSD__
+void
+bmac_mii_tick(v)
+	void *v;
+{
+	struct bmac_softc *sc = v;
+	int s;
+
+	s = splnet();
+	mii_tick(&sc->sc_mii);
+	splx(s);
+
+	timeout(bmac_mii_tick, sc, hz);
+}
+#endif /* __NetBSD__ */