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* Probe the MII device.

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* Ask for an interesting set of interrupt conditions.
* Correct various other typos and omissions.
This commit is contained in:
pk 1999-12-14 23:58:15 +00:00
parent ea69621efe
commit 9902ec50bb
1 changed files with 37 additions and 20 deletions
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57
sys/dev/ic/hme.c
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@ -1,4 +1,4 @@
/* $NetBSD: hme.c,v 1.1 1999/06/27 12:26:32 pk Exp $ */ /* $NetBSD: hme.c,v 1.2 1999/12/14 23:58:15 pk Exp $ */
/*- /*-
* Copyright (c) 1999 The NetBSD Foundation, Inc. * Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -177,7 +177,7 @@ hme_config(sc)
* all the time) on the reveiver side. * all the time) on the reveiver side.
*/ */
#define _HME_NDESC 32 #define _HME_NDESC 32
#define _HME_BUFSZ 32 #define _HME_BUFSZ 1536
/* Note: the # of descriptors must be a multiple of 16 */ /* Note: the # of descriptors must be a multiple of 16 */
sc->sc_rb.rb_ntbuf = _HME_NDESC; sc->sc_rb.rb_ntbuf = _HME_NDESC;
@ -223,6 +223,8 @@ hme_config(sc)
sc->sc_copyfrombuf = hme_copyfrombuf_contig; sc->sc_copyfrombuf = hme_copyfrombuf_contig;
#endif #endif
printf(": address %s\n", ether_sprintf(sc->sc_enaddr));
/* Initialize ifnet structure. */ /* Initialize ifnet structure. */
bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ); bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ);
ifp->if_softc = sc; ifp->if_softc = sc;
@ -240,7 +242,10 @@ hme_config(sc)
ifmedia_init(&mii->mii_media, 0, hme_mediachange, hme_mediastatus); ifmedia_init(&mii->mii_media, 0, hme_mediachange, hme_mediastatus);
if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { mii_phy_probe(&sc->sc_dev, mii, 0xffffffff,
MII_PHY_ANY, MII_OFFSET_ANY);
if (LIST_FIRST(&mii->mii_phys) == NULL) {
/* No PHY attached */ /* No PHY attached */
ifmedia_add(&sc->sc_media, IFM_ETHER|IFM_MANUAL, 0, NULL); ifmedia_add(&sc->sc_media, IFM_ETHER|IFM_MANUAL, 0, NULL);
ifmedia_set(&sc->sc_media, IFM_ETHER|IFM_MANUAL); ifmedia_set(&sc->sc_media, IFM_ETHER|IFM_MANUAL);
@ -260,8 +265,6 @@ hme_config(sc)
bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, sizeof(struct ether_header)); bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, sizeof(struct ether_header));
#endif #endif
printf(": address %s\n", ether_sprintf(sc->sc_enaddr));
sc->sc_sh = shutdownhook_establish(hme_shutdown, sc); sc->sc_sh = shutdownhook_establish(hme_shutdown, sc);
if (sc->sc_sh == NULL) if (sc->sc_sh == NULL)
panic("hme_config: can't establish shutdownhook"); panic("hme_config: can't establish shutdownhook");
@ -378,8 +381,8 @@ hme_meminit(sc)
* Initialize receive buffer descriptors * Initialize receive buffer descriptors
*/ */
for (i = 0; i < nrbuf; i++) { for (i = 0; i < nrbuf; i++) {
HME_XD_SETADDR(hr->rb_txd, i, rxbufdma + i * _HME_BUFSZ); HME_XD_SETADDR(hr->rb_rxd, i, rxbufdma + i * _HME_BUFSZ);
HME_XD_SETFLAGS(hr->rb_txd, i, HME_XD_SETFLAGS(hr->rb_rxd, i,
HME_XD_OWN | HME_XD_ENCODE_RSIZE(_HME_BUFSZ)); HME_XD_OWN | HME_XD_ENCODE_RSIZE(_HME_BUFSZ));
} }
@ -463,8 +466,14 @@ hme_init(sc)
/* step 8. Global Configuration & Interrupt Mask */ /* step 8. Global Configuration & Interrupt Mask */
bus_space_write_4(t, seb, HME_SEBI_IMASK, bus_space_write_4(t, seb, HME_SEBI_IMASK,
HME_SEB_STAT_SENTFRAME | HME_SEB_STAT_TXPERR | ~(
HME_SEB_STAT_GOTFRAME | HME_SEB_STAT_RCNTEXP); /*HME_SEB_STAT_GOTFRAME | HME_SEB_STAT_SENTFRAME |*/
HME_SEB_STAT_HOSTTOTX |
HME_SEB_STAT_RXTOHOST |
HME_SEB_STAT_TXALL |
HME_SEB_STAT_TXPERR |
HME_SEB_STAT_RCNTEXP |
HME_SEB_STAT_ALL_ERRORS ));
switch (sc->sc_burst) { switch (sc->sc_burst) {
default: default:
@ -485,24 +494,28 @@ hme_init(sc)
/* step 9. ETX Configuration: use mostly default values */ /* step 9. ETX Configuration: use mostly default values */
/* Enable DMA */ /* Enable DMA */
v = bus_space_read_4(t, erx, HME_ETXI_CFG); v = bus_space_read_4(t, etx, HME_ETXI_CFG);
v |= HME_ETX_CFG_DMAENABLE; v |= HME_ETX_CFG_DMAENABLE;
bus_space_write_4(t, erx, HME_ETXI_CFG, v); bus_space_write_4(t, etx, HME_ETXI_CFG, v);
/* Descriptor ring size: in increments of 16 */ /* Descriptor ring size: in increments of 16 */
bus_space_write_4(t, erx, HME_ETXI_RSIZE, _HME_NDESC / 16); bus_space_write_4(t, etx, HME_ETXI_RSIZE, _HME_NDESC / 16);
/* step 10. ERX Configuration: use default values; enable DMA */ /* step 10. ERX Configuration: use default values; enable DMA */
v = bus_space_read_4(t, etx, HME_ERXI_CFG); v = bus_space_read_4(t, erx, HME_ERXI_CFG);
v |= HME_ERX_CFG_DMAENABLE; v |= HME_ERX_CFG_DMAENABLE;
bus_space_write_4(t, etx, HME_ERXI_CFG, v); bus_space_write_4(t, erx, HME_ERXI_CFG, v);
/* step 11. XIF Configuration */ /* step 11. XIF Configuration */
v = bus_space_read_4(t, mac, HME_MACI_XIF); v = bus_space_read_4(t, mac, HME_MACI_XIF);
v |= HME_MAC_XIF_OE; v |= HME_MAC_XIF_OE;
/* If an external transceiver is connected, disable MII drivers */
if ((bus_space_read_4(t, mif, HME_MIFI_CFG) & HME_MIF_CFG_MDI1) != 0)
v |= HME_MAC_XIF_MIIDISAB;
bus_space_write_4(t, mac, HME_MACI_XIF, v); bus_space_write_4(t, mac, HME_MACI_XIF, v);
/* step 12. RX_MAC Configuration Register */ /* step 12. RX_MAC Configuration Register */
v = bus_space_read_4(t, mac, HME_MACI_RXCFG); v = bus_space_read_4(t, mac, HME_MACI_RXCFG);
v |= HME_MAC_RXCFG_ENABLE; v |= HME_MAC_RXCFG_ENABLE;
@ -510,7 +523,7 @@ hme_init(sc)
/* step 13. TX_MAC Configuration Register */ /* step 13. TX_MAC Configuration Register */
v = bus_space_read_4(t, mac, HME_MACI_TXCFG); v = bus_space_read_4(t, mac, HME_MACI_TXCFG);
v |= HME_MAC_TXCFG_ENABLE; v |= (HME_MAC_TXCFG_ENABLE | HME_MAC_TXCFG_DGIVEUP);
bus_space_write_4(t, mac, HME_MACI_TXCFG, v); bus_space_write_4(t, mac, HME_MACI_TXCFG, v);
/* step 14. Issue Transmit Pending command */ /* step 14. Issue Transmit Pending command */
@ -652,7 +665,6 @@ hme_read(sc, ix, len)
{ {
struct ifnet *ifp = &sc->sc_ethercom.ec_if; struct ifnet *ifp = &sc->sc_ethercom.ec_if;
struct mbuf *m; struct mbuf *m;
struct ether_header *eh;
if (len <= sizeof(struct ether_header) || if (len <= sizeof(struct ether_header) ||
len > ETHERMTU + sizeof(struct ether_header)) { len > ETHERMTU + sizeof(struct ether_header)) {
@ -673,15 +685,14 @@ hme_read(sc, ix, len)
ifp->if_ipackets++; ifp->if_ipackets++;
/* We assume that the header fit entirely in one mbuf. */
eh = mtod(m, struct ether_header *);
#if NBPFILTER > 0 #if NBPFILTER > 0
/* /*
* Check if there's a BPF listener on this interface. * Check if there's a BPF listener on this interface.
* If so, hand off the raw packet to BPF. * If so, hand off the raw packet to BPF.
*/ */
if (ifp->if_bpf) { if (ifp->if_bpf) {
struct ether_header *eh;
bpf_mtap(ifp->if_bpf, m); bpf_mtap(ifp->if_bpf, m);
/* /*
@ -689,6 +700,10 @@ hme_read(sc, ix, len)
* there are no BPF listeners. And if we are in promiscuous * there are no BPF listeners. And if we are in promiscuous
* mode, we have to check if this packet is really ours. * mode, we have to check if this packet is really ours.
*/ */
/* We assume that the header fit entirely in one mbuf. */
eh = mtod(m, struct ether_header *);
if ((ifp->if_flags & IFF_PROMISC) != 0 && if ((ifp->if_flags & IFF_PROMISC) != 0 &&
(eh->ether_dhost[0] & 1) == 0 && /* !mcast and !bcast */ (eh->ether_dhost[0] & 1) == 0 && /* !mcast and !bcast */
ether_cmp(eh->ether_dhost, sc->sc_enaddr)) { ether_cmp(eh->ether_dhost, sc->sc_enaddr)) {
@ -933,6 +948,7 @@ hme_mii_readreg(self, phy, reg)
bus_space_write_4(t, mif, HME_MIFI_FO, v); bus_space_write_4(t, mif, HME_MIFI_FO, v);
for (n = 0; n < 100; n++) { for (n = 0; n < 100; n++) {
DELAY(1);
v = bus_space_read_4(t, mif, HME_MIFI_FO); v = bus_space_read_4(t, mif, HME_MIFI_FO);
if (v & HME_MIF_FO_TALSB) if (v & HME_MIF_FO_TALSB)
return (v & HME_MIF_FO_DATA); return (v & HME_MIF_FO_DATA);
@ -963,12 +979,13 @@ hme_mii_writereg(self, phy, reg, val)
bus_space_write_4(t, mif, HME_MIFI_FO, v); bus_space_write_4(t, mif, HME_MIFI_FO, v);
for (n = 0; n < 100; n++) { for (n = 0; n < 100; n++) {
DELAY(1);
v = bus_space_read_4(t, mif, HME_MIFI_FO); v = bus_space_read_4(t, mif, HME_MIFI_FO);
if (v & HME_MIF_FO_TALSB) if (v & HME_MIF_FO_TALSB)
return; return;
} }
printf("%s: mii_read timeout\n", sc->sc_dev.dv_xname); printf("%s: mii_write timeout\n", sc->sc_dev.dv_xname);
} }
static void static void