Copyright (c) 2001-2003, Intel Corporation
All rights reserved.
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/*-
* Copyright (c) 1998, 1999, 2000, 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center, and by Frank van der Linden.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
dict = device_properties(parent);
if (!prop_dictionary_get_uint32(dict, "mactype", &igsc->sc_mactype))
aprint_error("WARNING! Failed to get mactype\n");
if (!prop_dictionary_get_uint32(dict, "macflags", &igsc->sc_macflags))
aprint_error("WARNING! Failed to get macflags\n");
/* DSP patch for igp1 and igp2 */
static void
igphy_load_dspcode(struct mii_softc *sc)
{
struct igphy_softc *igsc = (struct igphy_softc *)sc;
const dspcode *code;
uint16_t reg;
int i;
/* This workaround is only for 82541 and 82547 */
switch (igsc->sc_mactype) {
case WM_T_82541:
case WM_T_82547:
code = igp1code;
break;
case WM_T_82541_2:
case WM_T_82547_2:
code = igp1code_r2;
break;
default:
return; /* byebye */
}
/* Delay after phy reset to enable NVM configuration to load */
delay(20000);
/*
* Save off the current value of register 0x2F5B to be restored at
* the end of this routine.
*/
IGPHY_READ(sc, 0x2f5b, ®);
/* Disabled the PHY transmitter */
IGPHY_WRITE(sc, 0x2f5b, 0x0003);
switch (igsc->sc_mactype) {
case WM_T_82541:
case WM_T_82547:
case WM_T_82541_2:
case WM_T_82547_2:
igphy_load_dspcode(sc);
break;
case WM_T_ICH8:
case WM_T_ICH9:
if ((igsc->sc_macflags & WM_F_EEPROM_INVALID) != 0)
igphy_load_dspcode_igp3(sc);
break;
default: /* Not for ICH10, PCH and 8257[12] */
break;
}
if (igsc->sc_mactype == WM_T_82547) {
IGPHY_READ(sc, IGPHY_ANALOG_SPARE_FUSE_STATUS, &fused);
if ((fused & ANALOG_SPARE_FUSE_ENABLED) == 0) {
IGPHY_READ(sc, IGPHY_ANALOG_FUSE_STATUS, &fused);
fine = fused & ANALOG_FUSE_FINE_MASK;
coarse = fused & ANALOG_FUSE_COARSE_MASK;
if (coarse > ANALOG_FUSE_COARSE_THRESH) {
coarse -= ANALOG_FUSE_COARSE_10;
fine -= ANALOG_FUSE_FINE_1;
} else if (coarse == ANALOG_FUSE_COARSE_THRESH)
fine -= ANALOG_FUSE_FINE_10;
static int
igphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
{
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
uint16_t reg;
KASSERT(mii_locked(mii));
switch (cmd) {
case MII_POLLSTAT:
/* If we're not polling our PHY instance, just return. */
if (IFM_INST(ife->ifm_media) != sc->mii_inst)
return 0;
break;
case MII_MEDIACHG:
/*
* If the media indicates a different PHY instance,
* isolate ourselves.
*/
if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
PHY_READ(sc, MII_BMCR, ®);
PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
return 0;
}
/* If the interface is not up, don't do anything. */
if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
break;
/* This workaround is only for 82541 and 82547 */
switch (igsc->sc_mactype) {
case WM_T_82541:
case WM_T_82541_2:
case WM_T_82547:
case WM_T_82547_2:
break;
default:
/* byebye */
return;
}
PHY_READ(sc, MII_BMCR, ®);
if ((reg & BMCR_AUTOEN) == 0)
return;
/* XXX Assume 1000TX-FDX is advertized if doing autonegotiation. */
