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[src/trunk]: src/sys/dev/mii - 88E1000(S) has no page select register, so don...
details: https://anonhg.NetBSD.org/src/rev/5284e3f5cfa7
branches: trunk
changeset: 840130:5284e3f5cfa7
user: msaitoh <msaitoh%NetBSD.org@localhost>
date: Mon Mar 25 05:39:51 2019 +0000
description:
- 88E1000(S) has no page select register, so don't access it.
Note that qemu doesn't implement the register and the access fails.
For I210, we can use the register.
- Don't set PSCR_CRS_ON_TX bit on I210.
diffstat:
sys/dev/mii/makphy.c | 43 +++++++++++++++++++++++++++++++++----------
sys/dev/mii/makphyvar.h | 42 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 75 insertions(+), 10 deletions(-)
diffs (155 lines):
diff -r b4faefe568fc -r 5284e3f5cfa7 sys/dev/mii/makphy.c
--- a/sys/dev/mii/makphy.c Mon Mar 25 05:32:01 2019 +0000
+++ b/sys/dev/mii/makphy.c Mon Mar 25 05:39:51 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: makphy.c,v 1.57 2019/02/27 18:21:04 jakllsch Exp $ */
+/* $NetBSD: makphy.c,v 1.58 2019/03/25 05:39:51 msaitoh Exp $ */
/*-
* Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
@@ -59,7 +59,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: makphy.c,v 1.57 2019/02/27 18:21:04 jakllsch Exp $");
+__KERNEL_RCSID(0, "$NetBSD: makphy.c,v 1.58 2019/03/25 05:39:51 msaitoh Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -76,11 +76,12 @@
#include <dev/mii/miidevs.h>
#include <dev/mii/makphyreg.h>
+#include <dev/mii/makphyvar.h>
static int makphymatch(device_t, cfdata_t, void *);
static void makphyattach(device_t, device_t, void *);
-CFATTACH_DECL_NEW(makphy, sizeof(struct mii_softc),
+CFATTACH_DECL_NEW(makphy, sizeof(struct makphy_softc),
makphymatch, makphyattach, mii_phy_detach, mii_phy_activate);
static int makphy_service(struct mii_softc *, struct mii_data *, int);
@@ -155,22 +156,24 @@
struct mii_attach_args *ma = aux;
struct mii_data *mii = ma->mii_data;
const struct mii_phydesc *mpd;
+ struct makphy_softc *maksc = (struct makphy_softc *)sc;
const char *name;
- uint16_t reg;
+ uint16_t reg, model;
mpd = mii_phy_match(ma, makphys);
aprint_naive(": Media interface\n");
if (mpd)
name = mpd->mpd_name;
- else if (makphy_isi210(parent, ma))
+ else if (makphy_isi210(parent, ma)) {
name = MII_STR_xxMARVELL_I210;
- else
+ maksc->sc_flags |= MAKPHY_F_I210;
+ } else
panic("Unknown PHY");
aprint_normal(": %s, rev. %d\n", name, MII_REV(ma->mii_id2));
sc->mii_dev = self;
sc->mii_mpd_oui = MII_OUI(ma->mii_id1, ma->mii_id2);
- sc->mii_mpd_model = MII_MODEL(ma->mii_id2);
+ sc->mii_mpd_model = model = MII_MODEL(ma->mii_id2);
sc->mii_mpd_rev = MII_REV(ma->mii_id2);
sc->mii_inst = mii->mii_instance;
sc->mii_phy = ma->mii_phyno;
@@ -179,10 +182,26 @@
sc->mii_flags = ma->mii_flags;
sc->mii_anegticks = MII_ANEGTICKS;
- /* Make sure page 0 is selected. */
- PHY_WRITE(sc, MAKPHY_EADR, 0);
+ switch (model) {
+ case MII_MODEL_xxMARVELL_E1000:
+ if ((maksc->sc_flags & MAKPHY_F_I210) != 0)
+ goto page0;
+ /* FALLTHROUGH */
+ case MII_MODEL_xxMARVELL_E1000_3:
+ case MII_MODEL_xxMARVELL_E1000S:
+ case MII_MODEL_xxMARVELL_E1000_5:
+ /* 88E1000 series has no EADR */
+ break;
+ default:
+page0:
+ /* Make sure page 0 is selected. */
+ if (PHY_WRITE(sc, MAKPHY_EADR, 0) != 0)
+ aprint_verbose_dev(self,
+ "Failed to access EADR. Are you an emulator?\n");
+ break;
+ }
- switch (sc->mii_mpd_model) {
+ switch (model) {
case MII_MODEL_xxMARVELL_E1011:
case MII_MODEL_xxMARVELL_E1112:
PHY_READ(sc, MAKPHY_ESSR, ®);
@@ -212,6 +231,7 @@
static void
makphy_reset(struct mii_softc *sc)
{
+ struct makphy_softc *maksc = (struct makphy_softc *)sc;
uint16_t reg;
mii_phy_reset(sc);
@@ -224,6 +244,9 @@
/* Assert CRS on transmit. */
switch (sc->mii_mpd_model) {
case MII_MODEL_MARVELL_E1000_0:
+ if ((maksc->sc_flags & MAKPHY_F_I210) != 0)
+ break;
+ /* FALLTHROUGH */
case MII_MODEL_MARVELL_E1000_3:
case MII_MODEL_MARVELL_E1000_5:
case MII_MODEL_MARVELL_E1000_6:
diff -r b4faefe568fc -r 5284e3f5cfa7 sys/dev/mii/makphyvar.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/mii/makphyvar.h Mon Mar 25 05:39:51 2019 +0000
@@ -0,0 +1,42 @@
+/* $NetBSD: makphyvar.h,v 1.1 2019/03/25 05:39:51 msaitoh Exp $ */
+
+/*-
+ * Copyright (c) 2018 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by
+ *
+ * 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.
+ */
+
+#ifndef _MII_MAKPHYVAR_H_
+#define _MII_MAKPHYVAR_H_
+
+struct makphy_softc {
+ struct mii_softc sc_mii;
+ uint32_t sc_flags;
+};
+
+#define MAKPHY_F_I210 __BIT(0) /* Identify I210 (mii_model == 0) */
+
+#endif /* _MII_MAKPHYVAR_H_ */
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