Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

* Probe the MII device.

Browse Source 
* 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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
sys/dev/ic/hme.c
View File

@ -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.
@ -177,7 +177,7 @@ hme_config(sc)
* all the time) on the reveiver side.
*/
#define _HME_NDESC 32
#define _HME_BUFSZ 32
#define _HME_BUFSZ 1536
/* Note: the # of descriptors must be a multiple of 16 */
sc->sc_rb.rb_ntbuf = _HME_NDESC;
@ -223,6 +223,8 @@ hme_config(sc)
sc->sc_copyfrombuf = hme_copyfrombuf_contig;
#endif
printf(": address %s\n", ether_sprintf(sc->sc_enaddr));
/* Initialize ifnet structure. */
bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ);
ifp->if_softc = sc;
@ -240,7 +242,10 @@ hme_config(sc)
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 */
ifmedia_add(&sc->sc_media, IFM_ETHER|IFM_MANUAL, 0, NULL);
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));
#endif
printf(": address %s\n", ether_sprintf(sc->sc_enaddr));
sc->sc_sh = shutdownhook_establish(hme_shutdown, sc);
if (sc->sc_sh == NULL)
panic("hme_config: can't establish shutdownhook");
@ -378,8 +381,8 @@ hme_meminit(sc)
* Initialize receive buffer descriptors
*/
for (i = 0; i < nrbuf; i++) {
HME_XD_SETADDR(hr->rb_txd, i, rxbufdma + i * _HME_BUFSZ);
HME_XD_SETFLAGS(hr->rb_txd, i,
HME_XD_SETADDR(hr->rb_rxd, i, rxbufdma + i * _HME_BUFSZ);
HME_XD_SETFLAGS(hr->rb_rxd, i,
HME_XD_OWN | HME_XD_ENCODE_RSIZE(_HME_BUFSZ));
}
@ -463,8 +466,14 @@ hme_init(sc)
/* step 8. Global Configuration & Interrupt Mask */
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) {
default:
@ -485,24 +494,28 @@ hme_init(sc)
/* step 9. ETX Configuration: use mostly default values */
/* 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;
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 */
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 */
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;
bus_space_write_4(t, etx, HME_ERXI_CFG, v);
bus_space_write_4(t, erx, HME_ERXI_CFG, v);
/* step 11. XIF Configuration */
v = bus_space_read_4(t, mac, HME_MACI_XIF);
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);
/* step 12. RX_MAC Configuration Register */
v = bus_space_read_4(t, mac, HME_MACI_RXCFG);
v |= HME_MAC_RXCFG_ENABLE;
@ -510,7 +523,7 @@ hme_init(sc)
/* step 13. TX_MAC Configuration Register */
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);
/* step 14. Issue Transmit Pending command */
@ -652,7 +665,6 @@ hme_read(sc, ix, len)
{
struct ifnet *ifp = &sc->sc_ethercom.ec_if;
struct mbuf *m;
struct ether_header *eh;
if (len <= sizeof(struct ether_header) ||
len > ETHERMTU + sizeof(struct ether_header)) {
@ -673,15 +685,14 @@ hme_read(sc, ix, len)
ifp->if_ipackets++;
/* We assume that the header fit entirely in one mbuf. */
eh = mtod(m, struct ether_header *);
#if NBPFILTER > 0
/*
* Check if there's a BPF listener on this interface.
* If so, hand off the raw packet to BPF.
*/
if (ifp->if_bpf) {
struct ether_header *eh;
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
* 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 &&
(eh->ether_dhost[0] & 1) == 0 && /* !mcast and !bcast */
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);
for (n = 0; n < 100; n++) {
DELAY(1);
v = bus_space_read_4(t, mif, HME_MIFI_FO);
if (v & HME_MIF_FO_TALSB)
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);
for (n = 0; n < 100; n++) {
DELAY(1);
v = bus_space_read_4(t, mif, HME_MIFI_FO);
if (v & HME_MIF_FO_TALSB)
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