Add support for the DECchip 21140[A]. This currently only works with
boards which use MII for media attachment. ISV SROM format information lifted from Matt Thomas's `de' driver. Thanks to Dave Sainty for experimenting w/ his 21140A MII boards, and for supplying a fix to the MII bit-bang code (PR #8382).
This commit is contained in:
thorpej
parent
06d83cd302
commit
c999e3ca1a
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@ -1,4 +1,4 @@
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/* $NetBSD: tulip.c,v 1.16 1999/09/21 00:14:54 thorpej Exp $ */
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/* $NetBSD: tulip.c,v 1.17 1999/09/25 00:27:00 thorpej Exp $ */
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/*-
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* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
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@ -172,6 +172,8 @@ void tlp_pnic_mii_writereg __P((struct device *, int, int, int));
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void tlp_2114x_preinit __P((struct tulip_softc *));
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void tlp_pnic_preinit __P((struct tulip_softc *));
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void tlp_21140_reset __P((struct tulip_softc *));
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u_int32_t tlp_crc32 __P((const u_int8_t *, size_t));
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#define tlp_mchash(addr) (tlp_crc32((addr), ETHER_ADDR_LEN) & \
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(TULIP_MCHASHSIZE - 1))
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@ -1289,6 +1291,12 @@ tlp_reset(sc)
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printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname);
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delay(1000);
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/*
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* If the board has any GPIO reset sequences to issue, do them now.
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*/
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if (sc->sc_reset != NULL)
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(*sc->sc_reset)(sc);
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}
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/*
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@ -2541,7 +2549,7 @@ tlp_sio_mii_sync(sc)
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u_int32_t miirom;
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int i;
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miirom = MIIROM_MIIDIR|MIIROM_MDO;
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miirom = MIIROM_MDO;
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MII_EMIT(sc, miirom);
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for (i = 0; i < 32; i++) {
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@ -2563,7 +2571,7 @@ tlp_sio_mii_sendbits(sc, data, nbits)
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{
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u_int32_t miirom, i;
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miirom = MIIROM_MIIDIR;
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miirom = 0;
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MII_EMIT(sc, miirom);
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for (i = 1 << (nbits - 1); i != 0; i >>= 1) {
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@ -2597,25 +2605,28 @@ tlp_sio_mii_readreg(self, phy, reg)
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tlp_sio_mii_sendbits(sc, phy, 5);
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tlp_sio_mii_sendbits(sc, reg, 5);
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/* Switch direction to PHY->host, without a clock transition. */
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MII_EMIT(sc, MIIROM_MIIDIR);
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MII_EMIT(sc, MIIROM_MIIDIR|MIIROM_MDC);
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MII_EMIT(sc, 0);
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MII_EMIT(sc, MIIROM_MDC);
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MII_EMIT(sc, MIIROM_MIIDIR|MIIROM_MDC);
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MII_EMIT(sc, MIIROM_MIIDIR);
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err = TULIP_ISSET(sc, CSR_MIIROM, MIIROM_MDI);
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MII_EMIT(sc, 0);
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MII_EMIT(sc, MIIROM_MDC);
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MII_EMIT(sc, MIIROM_MIIDIR|MIIROM_MDC);
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MII_EMIT(sc, MIIROM_MIIDIR);
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for (i = 0; i < 16; i++) {
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val <<= 1;
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MII_EMIT(sc, 0);
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/* Read data prior to clock low-high transition. */
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if (err == 0 && TULIP_ISSET(sc, CSR_MIIROM, MIIROM_MDI))
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val |= 1;
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MII_EMIT(sc, MIIROM_MDC);
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MII_EMIT(sc, MIIROM_MIIDIR|MIIROM_MDC);
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MII_EMIT(sc, MIIROM_MIIDIR);
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}
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/* Set direction to host->PHY, without a clock transition. */
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MII_EMIT(sc, 0);
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return (err ? 0 : val);
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@ -2719,28 +2730,32 @@ void
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tlp_2114x_preinit(sc)
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struct tulip_softc *sc;
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{
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struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
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struct tulip_2114x_media *tm = ife->ifm_aux;
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/*
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* Always set the Must-Be-One bit.
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*/
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sc->sc_opmode |= OPMODE_MBO;
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if (sc->sc_flags & TULIPF_HAS_MII) {
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if (tm != NULL &&
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(tm->tm_type == TULIP_ROM_MB_21140_MII ||
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tm->tm_type == TULIP_ROM_MB_21142_MII)) {
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/*
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* MII case: just set the port-select bit; we will never
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* be called during a media change.
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*/
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sc->sc_opmode |= OPMODE_PS;
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} else {
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/*
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* ENDEC/PCS mode; set according to selected media type.
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* XXX Auto-sense not supported yet.
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*/
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/*
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* XXX This sould come from the SROM.
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*/
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goto set_opmode;
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}
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/*
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* ENDEC/PCS mode; set according to selected media type.
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* XXX Auto-sense not supported yet.
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*/
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sc->sc_opmode |= tm->tm_opmode;
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set_opmode:
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TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
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}
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@ -2768,6 +2783,39 @@ tlp_pnic_preinit(sc)
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}
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}
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/*
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* tlp_21140_reset:
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*
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* Issue a reset sequence on the 21140 via the GPIO facility.
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*/
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void
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tlp_21140_reset(sc)
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struct tulip_softc *sc;
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{
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struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
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struct tulip_2114x_media *tm = ife->ifm_aux;
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int i;
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/* First, set the direction on the GPIO pins. */
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TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir);
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/* Now, issue the reset sequence. */
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for (i = 0; i < tm->tm_reset_length; i++) {
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delay(10);
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TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]);
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}
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/* Now, issue the selection sequence. */
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for (i = 0; i < tm->tm_gp_length; i++) {
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delay(10);
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TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]);
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}
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/* If there were no sequences, just lower the pins. */
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if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0)
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TULIP_WRITE(sc, CSR_GPP, 0);
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}
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/*****************************************************************************
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* Chip/board-specific media switches. The ones here are ones that
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* are potentially common to multiple front-ends.
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@ -2949,7 +2997,8 @@ tlp_21041_tmsw_init(sc)
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if (i == devcnt)
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goto not_isv_srom;
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leaf_offset = sc->sc_srom[TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)];
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leaf_offset = TULIP_ROM_GETW(sc->sc_srom,
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TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i));
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mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE;
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m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT];
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@ -3208,6 +3257,307 @@ tlp_21040_21041_tmsw_set(sc)
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return (0);
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}
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/*
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* DECchip 2114x ISV media switch.
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* XXX Currently only handles 21140[A] MII.
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*/
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void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *));
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void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *));
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int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *));
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const struct tulip_mediasw tlp_2114x_isv_mediasw = {
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tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set
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};
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void
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tlp_2114x_isv_tmsw_init(sc)
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struct tulip_softc *sc;
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{
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struct ifnet *ifp = &sc->sc_ethercom.ec_if;
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struct ifmedia_entry *ife;
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struct mii_softc *phy;
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struct tulip_2114x_media *tm;
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int i, devcnt, leaf_offset, m_cnt, type, length, seen, defmedia;
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u_int8_t *cp, *ncp;
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seen = defmedia = 0;
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sc->sc_mii.mii_ifp = ifp;
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sc->sc_mii.mii_readreg = tlp_sio_mii_readreg;
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sc->sc_mii.mii_writereg = tlp_sio_mii_writereg;
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sc->sc_mii.mii_statchg = sc->sc_statchg;
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ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
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tlp_mediastatus);
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devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT];
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for (i = 0; i < devcnt; i++) {
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if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1)
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break;
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if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] ==
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sc->sc_devno)
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break;
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}
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if (i == devcnt) {
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printf("%s: unable to locate info leaf in SROM\n",
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sc->sc_dev.dv_xname);
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return;
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}
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leaf_offset = TULIP_ROM_GETW(sc->sc_srom,
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TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i));
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/* XXX SELECT CONN TYPE */
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cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT];
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/*
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* On some chips, the first thing in the Info Leaf is the
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* GPIO pin direction data.
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*/
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switch (sc->sc_chip) {
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case TULIP_CHIP_21140:
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case TULIP_CHIP_21140A:
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case TULIP_CHIP_MX98713:
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case TULIP_CHIP_MX98713A:
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case TULIP_CHIP_AX88140:
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case TULIP_CHIP_AX88141:
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sc->sc_gp_dir = *cp++;
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break;
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default:
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/* Nothing. */
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}
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/* Get the media count. */
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m_cnt = *cp++;
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for (; m_cnt != 0; cp = ncp, m_cnt--) {
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/*
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* Determine the type and length of this media block.
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*/
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if ((*cp & 0x80) == 0) {
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length = 4;
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type = TULIP_ROM_MB_21140_GPR;
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} else {
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length = (*cp++ & 0x7f) - 1;
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type = *cp++ & 0x3f;
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}
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/* Compute the start of the next block. */
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ncp = cp + length;
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/* Now, parse the block. */
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switch (type) {
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case TULIP_ROM_MB_21140_GPR:
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printf("%s: 21140 GPR block\n", sc->sc_dev.dv_xname);
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break;
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case TULIP_ROM_MB_21140_MII:
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seen |= 1 << TULIP_ROM_MB_21140_MII;
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tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK);
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memset(tm, 0, sizeof(*tm));
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tm->tm_type = TULIP_ROM_MB_21140_MII;
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tm->tm_get = tlp_mii_getmedia;
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tm->tm_set = tlp_mii_setmedia;
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sc->sc_reset = tlp_21140_reset;
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/* First is the PHY number. */
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tm->tm_phyno = *cp++;
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/* Next is the MII select sequence length and offset. */
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tm->tm_gp_length = *cp++;
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tm->tm_gp_offset = cp - &sc->sc_srom[0];
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cp += tm->tm_gp_length;
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/* Next is the MII reset sequence length and offset. */
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tm->tm_reset_length = *cp++;
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tm->tm_reset_offset = cp - &sc->sc_srom[0];
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cp += tm->tm_reset_length;
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/*
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* The following items are left in the media block
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* that we don't particularly care about:
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*
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* capabilities W
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* advertisement W
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* full duplex W
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* tx threshold W
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*
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* These appear to be bits in the PHY registers,
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* which our MII code handles on its own.
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*/
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/*
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* Before we probe the MII bus, we need to reset
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* it and issue the selection sequence.
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*/
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/* Set the direction of the pins... */
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TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir);
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for (i = 0; i < tm->tm_reset_length; i++) {
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delay(10);
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TULIP_WRITE(sc, CSR_GPP,
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sc->sc_srom[tm->tm_reset_offset + i]);
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}
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for (i = 0; i < tm->tm_gp_length; i++) {
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delay(10);
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TULIP_WRITE(sc, CSR_GPP,
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sc->sc_srom[tm->tm_gp_offset + i]);
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}
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/* If there were no sequences, just lower the pins. */
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if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) {
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delay(10);
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TULIP_WRITE(sc, CSR_GPP, 0);
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}
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/*
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* Now, probe the MII for the PHY. Note, we know
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* the location of the PHY on the bus, but we don't
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* particularly care; the MII code just likes to
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* search the whole thing anyhow.
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*/
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mii_phy_probe(&sc->sc_dev, &sc->sc_mii, 0xffffffff);
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/*
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* Now, search for the PHY we hopefully just
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* configured. If it's not configured into the
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* kernel, we lose. The PHY's default media always
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* takes priority.
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*/
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for (phy = LIST_FIRST(&sc->sc_mii.mii_phys);
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phy != NULL;
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phy = LIST_NEXT(phy, mii_list))
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if (phy->mii_offset == tm->tm_phyno)
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break;
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if (phy == NULL) {
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printf("%s: unable to configure MII\n",
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sc->sc_dev.dv_xname);
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break;
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}
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sc->sc_flags |= TULIPF_HAS_MII;
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sc->sc_tick = tlp_mii_tick;
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defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0,
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phy->mii_inst);
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/*
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* Okay, now that we've found the PHY and the MII
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* layer has added all of the media associated
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* with that PHY, we need to traverse the media
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* list, and add our `tm' to each entry's `aux'
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* pointer.
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*
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* We do this by looking for media with our
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* PHY's `instance'.
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*/
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for (ife = LIST_FIRST(&sc->sc_mii.mii_media.ifm_list);
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ife != NULL;
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ife = LIST_NEXT(ife, ifm_list)) {
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if (IFM_INST(ife->ifm_media) != phy->mii_inst)
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continue;
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ife->ifm_aux = tm;
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}
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break;
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case TULIP_ROM_MB_21142_SIA:
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printf("%s: 21142 SIA block\n", sc->sc_dev.dv_xname);
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break;
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case TULIP_ROM_MB_21142_MII:
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printf("%s: 21142 MII block\n", sc->sc_dev.dv_xname);
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break;
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case TULIP_ROM_MB_21143_SYM:
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printf("%s: 21143 SYM block\n", sc->sc_dev.dv_xname);
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break;
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case TULIP_ROM_MB_21143_RESET:
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printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname);
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break;
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default:
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printf("%s: unknown ISV media block type 0x%02x\n",
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sc->sc_dev.dv_xname, type);
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}
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}
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/*
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* Deal with the case where no media is configured.
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*/
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if (LIST_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) {
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printf("%s: no media found!\n", sc->sc_dev.dv_xname);
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ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL);
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defmedia = IFM_ETHER|IFM_NONE;
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goto set_default;
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}
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/*
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* Display any non-MII media we've located.
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*/
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if (seen & (1 << TULIP_ROM_MB_21140_GPR)) {
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printf("%s: GPR media: ", sc->sc_dev.dv_xname);
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/* XXX */
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printf("\n");
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}
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if (seen & (1 << TULIP_ROM_MB_21142_SIA)) {
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printf("%s: SIA media: ", sc->sc_dev.dv_xname);
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/* XXX */
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printf("\n");
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}
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if (seen & (1 << TULIP_ROM_MB_21143_SYM)) {
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printf("%s: SYM media: ", sc->sc_dev.dv_xname);
|
||||
/* XXX */
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
/*
|
||||
* XXX Display default media if not MII.
|
||||
*/
|
||||
|
||||
set_default:
|
||||
/*
|
||||
* Set the default media.
|
||||
*
|
||||
* XXX Should make some attempt to care about the SROM default
|
||||
* setting, but we don't.
|
||||
*/
|
||||
#ifdef DIAGNOSTIC
|
||||
if (defmedia == 0)
|
||||
panic("tlp_2114x_isv_tmsw_init: no default media");
|
||||
#endif
|
||||
ifmedia_set(&sc->sc_mii.mii_media, defmedia);
|
||||
}
|
||||
|
||||
void
|
||||
tlp_2114x_isv_tmsw_get(sc, ifmr)
|
||||
struct tulip_softc *sc;
|
||||
struct ifmediareq *ifmr;
|
||||
{
|
||||
struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
|
||||
struct tulip_2114x_media *tm = ife->ifm_aux;
|
||||
|
||||
(*tm->tm_get)(sc, ifmr);
|
||||
}
|
||||
|
||||
int
|
||||
tlp_2114x_isv_tmsw_set(sc)
|
||||
struct tulip_softc *sc;
|
||||
{
|
||||
struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
|
||||
struct tulip_2114x_media *tm = ife->ifm_aux;
|
||||
|
||||
return ((*tm->tm_set)(sc));
|
||||
}
|
||||
|
||||
/*
|
||||
* MII-on-SIO media switch. Handles only MII attached to the SIO.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: tulipvar.h,v 1.11 1999/09/20 19:26:54 thorpej Exp $ */
|
||||
/* $NetBSD: tulipvar.h,v 1.12 1999/09/25 00:27:00 thorpej Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
|
||||
|
|
@ -200,6 +200,27 @@ struct tulip_21040_21041_sia_media {
|
|||
u_int32_t tsm_siagen; /* CSR15 value */
|
||||
};
|
||||
|
||||
/*
|
||||
* Description of 2114x media.
|
||||
*/
|
||||
struct tulip_2114x_media {
|
||||
int tm_type; /* type of media; see tulipreg.h */
|
||||
|
||||
void (*tm_get) __P((struct tulip_softc *,
|
||||
struct ifmediareq *));
|
||||
int (*tm_set) __P((struct tulip_softc *));
|
||||
|
||||
int tm_phyno; /* PHY # on MII */
|
||||
|
||||
int tm_gp_length; /* MII select sequence length */
|
||||
int tm_gp_offset; /* MII select sequence offset */
|
||||
|
||||
int tm_reset_length;/* MII reset sequence length */
|
||||
int tm_reset_offset;/* MII reset sequence offset */
|
||||
|
||||
u_int32_t tm_opmode; /* OPMODE bits for this media */
|
||||
};
|
||||
|
||||
/*
|
||||
* Software state per device.
|
||||
*/
|
||||
|
|
@ -240,6 +261,11 @@ struct tulip_softc {
|
|||
const struct tulip_txthresh_tab *sc_txth;
|
||||
int sc_txthresh; /* current transmit threshold */
|
||||
|
||||
u_int8_t sc_gp_dir; /* GPIO pin direction bits */
|
||||
|
||||
/* Reset function. */
|
||||
void (*sc_reset) __P((struct tulip_softc *));
|
||||
|
||||
/* Pre-init function. */
|
||||
void (*sc_preinit) __P((struct tulip_softc *));
|
||||
|
||||
|
|
@ -388,6 +414,7 @@ extern const struct tulip_mediasw tlp_21040_mediasw;
|
|||
extern const struct tulip_mediasw tlp_21040_tp_mediasw;
|
||||
extern const struct tulip_mediasw tlp_21040_auibnc_mediasw;
|
||||
extern const struct tulip_mediasw tlp_21041_mediasw;
|
||||
extern const struct tulip_mediasw tlp_2114x_isv_mediasw;
|
||||
extern const struct tulip_mediasw tlp_sio_mii_mediasw;
|
||||
extern const struct tulip_mediasw tlp_pnic_mediasw;
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: if_tlp_pci.c,v 1.12 1999/09/20 19:26:55 thorpej Exp $ */
|
||||
/* $NetBSD: if_tlp_pci.c,v 1.13 1999/09/25 00:27:00 thorpej Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
|
||||
|
|
@ -490,7 +490,7 @@ tlp_pci_attach(parent, self, aux)
|
|||
}
|
||||
|
||||
default:
|
||||
tlp_read_srom(sc, 0, sizeof(sc->sc_srom) >> 2,
|
||||
tlp_read_srom(sc, 0, sizeof(sc->sc_srom) >> 1,
|
||||
(u_int16_t *)sc->sc_srom);
|
||||
#if 0
|
||||
printf("SROM CONTENTS:");
|
||||
|
|
@ -578,6 +578,32 @@ tlp_pci_attach(parent, self, aux)
|
|||
/* XXX */
|
||||
break;
|
||||
|
||||
case TULIP_CHIP_21140:
|
||||
case TULIP_CHIP_21140A:
|
||||
/* Check for new format SROM. */
|
||||
if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
|
||||
/*
|
||||
* Eek. I don't know what else we
|
||||
* can do here. Punt for now.
|
||||
*/
|
||||
printf("%s: SROM not in ISV format?\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
goto cant_cope;
|
||||
} else {
|
||||
/*
|
||||
* We start out with the 2114x ISV media switch.
|
||||
* When we search for quirks, we may change to
|
||||
* a different switch.
|
||||
*/
|
||||
sc->sc_mediasw = &tlp_2114x_isv_mediasw;
|
||||
}
|
||||
|
||||
/*
|
||||
* Deal with any quirks this board might have.
|
||||
*/
|
||||
/* XXX */
|
||||
break;
|
||||
|
||||
case TULIP_CHIP_82C168:
|
||||
case TULIP_CHIP_82C169:
|
||||
/*
|
||||
|
|
@ -607,6 +633,7 @@ tlp_pci_attach(parent, self, aux)
|
|||
break;
|
||||
|
||||
default:
|
||||
cant_cope:
|
||||
printf("%s: sorry, unable to handle your board\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
return;
|
||||
|
|
|
|||
Loading…
Reference in New Issue