Module Name: src
Committed By: jmcneill
Date: Mon Jan 3 17:18:12 UTC 2022
Modified Files:
src/sys/dev/mii: files.mii
Added Files:
src/sys/dev/mii: mcommphy.c
Log Message:
Add driver for Motorcomm YT8511 GbE PHY
To generate a diff of this commit:
cvs rdiff -u -r1.54 -r1.55 src/sys/dev/mii/files.mii
cvs rdiff -u -r0 -r1.1 src/sys/dev/mii/mcommphy.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/mii/files.mii
diff -u src/sys/dev/mii/files.mii:1.54 src/sys/dev/mii/files.mii:1.55
--- src/sys/dev/mii/files.mii:1.54 Wed Dec 11 02:22:38 2019
+++ src/sys/dev/mii/files.mii Mon Jan 3 17:18:12 2022
@@ -1,4 +1,4 @@
-# $NetBSD: files.mii,v 1.54 2019/12/11 02:22:38 msaitoh Exp $
+# $NetBSD: files.mii,v 1.55 2022/01/03 17:18:12 jmcneill Exp $
defflag opt_mii.h MIIVERBOSE
@@ -170,3 +170,7 @@ file dev/mii/micphy.c micphy
device smscphy: mii_phy
attach smscphy at mii
file dev/mii/smscphy.c smscphy
+
+device mcommphy: mii_phy, ukphy_subr
+attach mcommphy at mii
+file dev/mii/mcommphy.c mcommphy
Added files:
Index: src/sys/dev/mii/mcommphy.c
diff -u /dev/null src/sys/dev/mii/mcommphy.c:1.1
--- /dev/null Mon Jan 3 17:18:12 2022
+++ src/sys/dev/mii/mcommphy.c Mon Jan 3 17:18:12 2022
@@ -0,0 +1,200 @@
+/* $NetBSD: mcommphy.c,v 1.1 2022/01/03 17:18:12 jmcneill Exp $ */
+
+/*
+ * Copyright (c) 2022 Jared McNeill <jmcne...@invisible.ca>
+ * All rights reserved.
+ *
+ * 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.
+ */
+
+/*
+ * Motorcomm YT8511C / YT8511H Integrated 10/100/1000 Gigabit Ethernet
+ * Transceiver.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: mcommphy.c,v 1.1 2022/01/03 17:18:12 jmcneill Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+#include <sys/socket.h>
+#include <sys/errno.h>
+
+#include <net/if.h>
+#include <net/if_media.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+#include <dev/mii/miidevs.h>
+
+#define MCOMMPHY_OUI 0x000000
+#define MCOMMPHY_MODEL 0x10
+#define MCOMMPHY_REV 0x0a
+
+#define EXT_REG_ADDR 0x1e
+#define EXT_REG_DATA 0x1f
+
+/* Extended registers */
+#define PHY_CLOCK_GATING_REG 0x0c
+#define TX_CLK_DELAY_SEL __BITS(7,4)
+#define CLK_25M_SEL __BITS(2,1)
+#define CLK_25M_SEL_125M 3
+#define RX_CLK_DELAY_EN __BIT(0)
+#define PHY_SLEEP_CONTROL1_REG 0x27
+#define PLLON_IN_SLP __BIT(14)
+
+static int mcommphymatch(device_t, cfdata_t, void *);
+static void mcommphyattach(device_t, device_t, void *);
+
+CFATTACH_DECL_NEW(mcommphy, sizeof(struct mii_softc),
+ mcommphymatch, mcommphyattach, mii_phy_detach, mii_phy_activate);
+
+static int mcommphy_service(struct mii_softc *, struct mii_data *, int);
+
+static const struct mii_phy_funcs mcommphy_funcs = {
+ mcommphy_service, ukphy_status, mii_phy_reset,
+};
+
+static int
+mcommphymatch(device_t parent, cfdata_t match, void *aux)
+{
+ struct mii_attach_args *ma = aux;
+
+ /*
+ * The YT8511C reports an OUI of 0. Best we can do here is to match
+ * exactly the contents of the PHY identification registers.
+ */
+ if (MII_OUI(ma->mii_id1, ma->mii_id2) == MCOMMPHY_OUI &&
+ MII_MODEL(ma->mii_id2) == MCOMMPHY_MODEL &&
+ MII_REV(ma->mii_id2) == MCOMMPHY_REV) {
+ return 10;
+ }
+
+ return 0;
+}
+
+static void
+mcommphyattach(device_t parent, device_t self, void *aux)
+{
+ struct mii_softc *sc = device_private(self);
+ struct mii_attach_args *ma = aux;
+ struct mii_data *mii = ma->mii_data;
+ uint16_t oldaddr, data;
+
+ aprint_normal(": Motorcomm YT8511 GbE PHY\n");
+ aprint_naive(": Media interface\n");
+
+ sc->mii_dev = self;
+ sc->mii_inst = mii->mii_instance;
+ sc->mii_phy = ma->mii_phyno;
+ sc->mii_mpd_oui = MII_OUI(ma->mii_id1, ma->mii_id2);
+ sc->mii_mpd_model = MII_MODEL(ma->mii_id2);
+ sc->mii_mpd_rev = MII_REV(ma->mii_id2);
+ sc->mii_funcs = &mcommphy_funcs;
+ sc->mii_pdata = mii;
+ sc->mii_flags = ma->mii_flags;
+
+ mii_lock(mii);
+
+ PHY_RESET(sc);
+
+ PHY_READ(sc, EXT_REG_ADDR, &oldaddr);
+
+ PHY_WRITE(sc, EXT_REG_ADDR, PHY_CLOCK_GATING_REG);
+ PHY_READ(sc, EXT_REG_DATA, &data);
+ data &= ~CLK_25M_SEL;
+ data |= __SHIFTIN(CLK_25M_SEL_125M, CLK_25M_SEL);
+ if (ISSET(sc->mii_flags, MIIF_RXID)) {
+ data |= RX_CLK_DELAY_EN;
+ } else {
+ data &= ~RX_CLK_DELAY_EN;
+ }
+ data &= ~TX_CLK_DELAY_SEL;
+ if (ISSET(sc->mii_flags, MIIF_TXID)) {
+ data |= __SHIFTIN(0xf, TX_CLK_DELAY_SEL);
+ } else {
+ data |= __SHIFTIN(0x2, TX_CLK_DELAY_SEL);
+ }
+ PHY_WRITE(sc, EXT_REG_DATA, data);
+
+ PHY_WRITE(sc, EXT_REG_ADDR, PHY_SLEEP_CONTROL1_REG);
+ PHY_READ(sc, EXT_REG_DATA, &data);
+ data |= PLLON_IN_SLP;
+ PHY_WRITE(sc, EXT_REG_DATA, data);
+
+ PHY_WRITE(sc, EXT_REG_ADDR, oldaddr);
+
+ PHY_READ(sc, MII_BMSR, &sc->mii_capabilities);
+ sc->mii_capabilities &= ma->mii_capmask;
+ if (sc->mii_capabilities & BMSR_EXTSTAT)
+ PHY_READ(sc, MII_EXTSR, &sc->mii_extcapabilities);
+
+ mii_unlock(mii);
+
+ mii_phy_add_media(sc);
+}
+
+static int
+mcommphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
+{
+ struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
+
+ 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 interface is not up, don't do anything. */
+ if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
+ break;
+
+ mii_phy_setmedia(sc);
+ break;
+
+ case MII_TICK:
+ /* If we're not currently selected, just return. */
+ if (IFM_INST(ife->ifm_media) != sc->mii_inst)
+ return 0;
+
+ if (mii_phy_tick(sc) == EJUSTRETURN)
+ return 0;
+ break;
+
+ case MII_DOWN:
+ mii_phy_down(sc);
+ return 0;
+ }
+
+ /* Update the media status. */
+ mii_phy_status(sc);
+
+ /* Callback if something changed. */
+ mii_phy_update(sc, cmd);
+ return 0;
+}
