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ganbold (Ganbold)
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ganbold
Aug 10 2022, 6:26 AM
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D36093-style.diff
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diff --git a/sys/dev/eqos/eqos.c b/sys/dev/eqos/eqos.c
new file mode 100644
index 000000000000..9eb91fab93f0
--- /dev/null
+++ b/sys/dev/eqos/eqos.c
@@ -0,0 +1,1283 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2022 Soren Schmidt <sos@deepcore.dk>
+ * Copyright (c) 2022 Jared McNeill <jmcneill@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 AUTHOR ``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 AUTHOR 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.
+ *
+ * $Id$
+ */
+
+/*
+ * DesignWare Ethernet Quality-of-Service controller
+ */
+
+#include "opt_platform.h"
+#include <sys/cdefs.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/mutex.h>
+#include <sys/rman.h>
+#include <sys/endian.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <sys/callout.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+#include <sys/mbuf.h>
+#include <sys/systm.h>
+#include <machine/bus.h>
+
+#include <net/ethernet.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+#include <net/bpf.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+
+#include "miibus_if.h"
+#include "eqos_if.h"
+
+#ifdef FDT
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+#include <dev/extres/clk/clk.h>
+#endif
+
+#include <dev/eqos/eqos_reg.h>
+#include <dev/eqos/eqos_var.h>
+
+#define DESC_BOUNDARY (1ULL << 32)
+#define DESC_ALIGN sizeof(struct eqos_dma_desc)
+#define DESC_OFFSET(n) ((n) * sizeof(struct eqos_dma_desc))
+
+#define TX_DESC_COUNT EQOS_DMA_DESC_COUNT
+#define TX_DESC_SIZE (TX_DESC_COUNT * DESC_ALIGN)
+#define TX_MAX_SEGS (TX_DESC_COUNT / 2)
+#define TX_NEXT(n) (((n) + 1 ) % TX_DESC_COUNT)
+#define TX_QUEUED(h, t) ((((h) - (t)) + TX_DESC_COUNT) % TX_DESC_COUNT)
+
+#define RX_DESC_COUNT EQOS_DMA_DESC_COUNT
+#define RX_DESC_SIZE (RX_DESC_COUNT * DESC_ALIGN)
+#define RX_NEXT(n) (((n) + 1) % RX_DESC_COUNT)
+
+#define MII_BUSY_RETRY 1000
+#define WATCHDOG_TIMEOUT_SECS 3
+
+#define EQOS_LOCK(sc) mtx_lock(&(sc)->lock)
+#define EQOS_UNLOCK(sc) mtx_unlock(&(sc)->lock)
+#define EQOS_ASSERT_LOCKED(sc) mtx_assert(&(sc)->lock, MA_OWNED)
+
+#define RD4(sc, o) bus_read_4(sc->res[EQOS_RES_MEM], (o))
+#define WR4(sc, o, v) bus_write_4(sc->res[EQOS_RES_MEM], (o), (v))
+
+
+static struct resource_spec eqos_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { SYS_RES_IRQ, 0, RF_ACTIVE },
+ { -1, 0 }
+};
+
+static void eqos_tick(void *softc);
+
+
+static int
+eqos_miibus_readreg(device_t dev, int phy, int reg)
+{
+ struct eqos_softc *sc = device_get_softc(dev);
+ uint32_t addr;
+ int retry, val;
+
+ addr = sc->csr_clock_range |
+ (phy << GMAC_MAC_MDIO_ADDRESS_PA_SHIFT) |
+ (reg << GMAC_MAC_MDIO_ADDRESS_RDA_SHIFT) |
+ GMAC_MAC_MDIO_ADDRESS_GOC_READ | GMAC_MAC_MDIO_ADDRESS_GB;
+ WR4(sc, GMAC_MAC_MDIO_ADDRESS, addr);
+
+ DELAY(100);
+
+ for (retry = MII_BUSY_RETRY; retry > 0; retry--) {
+ addr = RD4(sc, GMAC_MAC_MDIO_ADDRESS);
+ if (!(addr & GMAC_MAC_MDIO_ADDRESS_GB)) {
+ val = RD4(sc, GMAC_MAC_MDIO_DATA) & 0xFFFF;
+ break;
+ }
+ DELAY(10);
+ }
+ if (!retry) {
+ device_printf(dev, "phy read timeout, phy=%d reg=%d\n",
+ phy, reg);
+ return (ETIMEDOUT);
+ }
+ return (val);
+}
+
+static int
+eqos_miibus_writereg(device_t dev, int phy, int reg, int val)
+{
+ struct eqos_softc *sc = device_get_softc(dev);
+ uint32_t addr;
+ int retry;
+
+ WR4(sc, GMAC_MAC_MDIO_DATA, val);
+
+ addr = sc->csr_clock_range |
+ (phy << GMAC_MAC_MDIO_ADDRESS_PA_SHIFT) |
+ (reg << GMAC_MAC_MDIO_ADDRESS_RDA_SHIFT) |
+ GMAC_MAC_MDIO_ADDRESS_GOC_WRITE | GMAC_MAC_MDIO_ADDRESS_GB;
+ WR4(sc, GMAC_MAC_MDIO_ADDRESS, addr);
+
+ DELAY(100);
+
+ for (retry = MII_BUSY_RETRY; retry > 0; retry--) {
+ addr = RD4(sc, GMAC_MAC_MDIO_ADDRESS);
+ if (!(addr & GMAC_MAC_MDIO_ADDRESS_GB))
+ break;
+ DELAY(10);
+ }
+ if (!retry) {
+ device_printf(dev, "phy write timeout, phy=%d reg=%d\n",
+ phy, reg);
+ return (ETIMEDOUT);
+ }
+ return (0);
+}
+
+static void
+eqos_miibus_statchg(device_t dev)
+{
+ struct eqos_softc *sc = device_get_softc(dev);
+ struct mii_data *mii = device_get_softc(sc->miibus);
+ uint32_t reg;
+
+ EQOS_ASSERT_LOCKED(sc);
+
+ if (mii->mii_media_status & IFM_ACTIVE)
+ sc->link_up = true;
+ else
+ sc->link_up = false;
+
+ reg = RD4(sc, GMAC_MAC_CONFIGURATION);
+
+ switch (IFM_SUBTYPE(mii->mii_media_active)) {
+ case IFM_10_T:
+ reg |= GMAC_MAC_CONFIGURATION_PS;
+ reg &= ~GMAC_MAC_CONFIGURATION_FES;
+ break;
+ case IFM_100_TX:
+ reg |= GMAC_MAC_CONFIGURATION_PS;
+ reg |= GMAC_MAC_CONFIGURATION_FES;
+ break;
+ case IFM_1000_T:
+ case IFM_1000_SX:
+ reg &= ~GMAC_MAC_CONFIGURATION_PS;
+ reg &= ~GMAC_MAC_CONFIGURATION_FES;
+ break;
+ case IFM_2500_T:
+ case IFM_2500_SX:
+ reg &= ~GMAC_MAC_CONFIGURATION_PS;
+ reg |= GMAC_MAC_CONFIGURATION_FES;
+ break;
+ default:
+ sc->link_up = false;
+ return;
+ }
+
+ if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX))
+ reg |= GMAC_MAC_CONFIGURATION_DM;
+ else
+ reg &= ~GMAC_MAC_CONFIGURATION_DM;
+
+ WR4(sc, GMAC_MAC_CONFIGURATION, reg);
+
+ EQOS_SET_SPEED(dev, IFM_SUBTYPE(mii->mii_media_active));
+
+ WR4(sc, GMAC_MAC_1US_TIC_COUNTER, (sc->csr_clock / 1000000) - 1);
+}
+
+static void
+eqos_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
+{
+ struct eqos_softc *sc = ifp->if_softc;
+ struct mii_data *mii = device_get_softc(sc->miibus);
+
+ EQOS_LOCK(sc);
+ mii_pollstat(mii);
+ ifmr->ifm_active = mii->mii_media_active;
+ ifmr->ifm_status = mii->mii_media_status;
+ EQOS_UNLOCK(sc);
+}
+
+static int
+eqos_media_change(struct ifnet *ifp)
+{
+ struct eqos_softc *sc = ifp->if_softc;
+ int error;
+
+ EQOS_LOCK(sc);
+ error = mii_mediachg(device_get_softc(sc->miibus));
+ EQOS_UNLOCK(sc);
+ return (error);
+}
+
+static void
+eqos_setup_txdesc(struct eqos_softc *sc, int index, int flags,
+ bus_addr_t paddr, u_int len, u_int total_len)
+{
+ uint32_t tdes2, tdes3;
+
+ if (!paddr || !len) {
+ tdes2 = 0;
+ tdes3 = flags;
+ } else {
+ tdes2 = (flags & EQOS_TDES3_LD) ? EQOS_TDES2_IOC : 0;
+ tdes3 = flags;
+ }
+ bus_dmamap_sync(sc->tx.desc_tag, sc->tx.desc_map, BUS_DMASYNC_PREWRITE);
+ sc->tx.desc_ring[index].tdes0 = htole32((uint32_t)paddr);
+ sc->tx.desc_ring[index].tdes1 = htole32((uint32_t)(paddr >> 32));
+ sc->tx.desc_ring[index].tdes2 = htole32(tdes2 | len);
+ sc->tx.desc_ring[index].tdes3 = htole32(tdes3 | total_len);
+}
+
+static int
+eqos_setup_txbuf(struct eqos_softc *sc, struct mbuf *m)
+{
+ bus_dma_segment_t segs[TX_MAX_SEGS];
+ int first = sc->tx.head;
+ int error, nsegs, idx;
+ uint32_t flags;
+
+ error = bus_dmamap_load_mbuf_sg(sc->tx.buf_tag,
+ sc->tx.buf_map[first].map, m, segs, &nsegs, 0);
+ if (error == EFBIG) {
+ struct mbuf *mb;
+
+ device_printf(sc->dev, "TX packet too big trying defrag\n");
+ bus_dmamap_unload(sc->tx.buf_tag, sc->tx.buf_map[first].map);
+ if (!(mb = m_defrag(m, M_NOWAIT)))
+ return (ENOMEM);
+ m = mb;
+ error = bus_dmamap_load_mbuf_sg(sc->tx.buf_tag,
+ sc->tx.buf_map[first].map, m, segs, &nsegs, 0);
+ }
+ if (error)
+ return (ENOMEM);
+
+ if (TX_QUEUED(sc->tx.head, sc->tx.tail) + nsegs > TX_DESC_COUNT) {
+ bus_dmamap_unload(sc->tx.buf_tag, sc->tx.buf_map[first].map);
+ device_printf(sc->dev, "TX packet no more queue space\n");
+ return (ENOMEM);
+ }
+
+ bus_dmamap_sync(sc->tx.buf_tag, sc->tx.buf_map[first].map,
+ BUS_DMASYNC_PREWRITE);
+
+ sc->tx.buf_map[first].mbuf = m;
+
+ for (flags = EQOS_TDES3_FD, idx = 0; idx < nsegs; idx++) {
+ if (idx == (nsegs - 1))
+ flags |= EQOS_TDES3_LD;
+ eqos_setup_txdesc(sc, sc->tx.head, flags, segs[idx].ds_addr,
+ segs[idx].ds_len, m->m_pkthdr.len);
+ flags &= ~EQOS_TDES3_FD;
+ flags |= EQOS_TDES3_OWN;
+ sc->tx.head = TX_NEXT(sc->tx.head);
+ }
+
+ /* Defer setting OWN bit on the first descriptor until all descriptors have been updated */
+ bus_dmamap_sync(sc->tx.desc_tag, sc->tx.desc_map, BUS_DMASYNC_PREWRITE);
+ sc->tx.desc_ring[first].tdes3 |= htole32(EQOS_TDES3_OWN);
+
+ return (0);
+}
+
+static void
+eqos_setup_rxdesc(struct eqos_softc *sc, int index, bus_addr_t paddr)
+{
+
+ sc->rx.desc_ring[index].tdes0 = htole32((uint32_t)paddr);
+ sc->rx.desc_ring[index].tdes1 = htole32((uint32_t)(paddr >> 32));
+ sc->rx.desc_ring[index].tdes2 = htole32(0);
+ bus_dmamap_sync(sc->rx.desc_tag, sc->rx.desc_map, BUS_DMASYNC_PREWRITE);
+ sc->rx.desc_ring[index].tdes3 = htole32(EQOS_RDES3_OWN |
+ EQOS_RDES3_IOC | EQOS_RDES3_BUF1V);
+}
+
+static int
+eqos_setup_rxbuf(struct eqos_softc *sc, int index, struct mbuf *m)
+{
+ struct bus_dma_segment seg;
+ int error, nsegs;
+
+ m_adj(m, ETHER_ALIGN);
+
+ error = bus_dmamap_load_mbuf_sg(sc->rx.buf_tag,
+ sc->rx.buf_map[index].map, m, &seg, &nsegs, 0);
+ if (error)
+ return (error);
+
+ bus_dmamap_sync(sc->rx.buf_tag, sc->rx.buf_map[index].map,
+ BUS_DMASYNC_PREREAD);
+
+ sc->rx.buf_map[index].mbuf = m;
+ eqos_setup_rxdesc(sc, index, seg.ds_addr);
+
+ return (0);
+}
+
+static struct mbuf *
+eqos_alloc_mbufcl(struct eqos_softc *sc)
+{
+ struct mbuf *m;
+
+ if ((m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR)))
+ m->m_pkthdr.len = m->m_len = m->m_ext.ext_size;
+ return (m);
+}
+
+static void
+eqos_enable_intr(struct eqos_softc *sc)
+{
+
+ WR4(sc, GMAC_DMA_CHAN0_INTR_ENABLE,
+ GMAC_DMA_CHAN0_INTR_ENABLE_NIE | GMAC_DMA_CHAN0_INTR_ENABLE_AIE |
+ GMAC_DMA_CHAN0_INTR_ENABLE_FBE | GMAC_DMA_CHAN0_INTR_ENABLE_RIE |
+ GMAC_DMA_CHAN0_INTR_ENABLE_TIE);
+}
+
+static void
+eqos_disable_intr(struct eqos_softc *sc)
+{
+
+ WR4(sc, GMAC_DMA_CHAN0_INTR_ENABLE, 0);
+}
+
+static uint32_t
+eqos_bitrev32(uint32_t x)
+{
+
+ x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));
+ x = (((x & 0xcccccccc) >> 2) | ((x & 0x33333333) << 2));
+ x = (((x & 0xf0f0f0f0) >> 4) | ((x & 0x0f0f0f0f) << 4));
+ x = (((x & 0xff00ff00) >> 8) | ((x & 0x00ff00ff) << 8));
+ return ((x >> 16) | (x << 16));
+}
+
+static u_int
+eqos_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
+{
+ uint32_t crc, *hash = arg;
+
+ crc = ether_crc32_le(LLADDR(sdl), ETHER_ADDR_LEN);
+ crc &= 0x7f;
+ crc = eqos_bitrev32(~crc) >> 26;
+ hash[crc >> 5] |= 1 << (crc & 0x1f);
+ return (1);
+}
+
+static void
+eqos_setup_rxfilter(struct eqos_softc *sc)
+{
+ struct ifnet *ifp = sc->ifp;
+ uint32_t pfil, hash[2];
+ const uint8_t *eaddr;
+ uint32_t val;
+
+ EQOS_ASSERT_LOCKED(sc);
+
+ pfil = RD4(sc, GMAC_MAC_PACKET_FILTER);
+ pfil &= ~(GMAC_MAC_PACKET_FILTER_PR |
+ GMAC_MAC_PACKET_FILTER_PM |
+ GMAC_MAC_PACKET_FILTER_HMC |
+ GMAC_MAC_PACKET_FILTER_PCF_MASK);
+ hash[0] = hash[1] = 0xffffffff;
+
+ if ((ifp->if_flags & IFF_PROMISC)) {
+ pfil |= GMAC_MAC_PACKET_FILTER_PR |
+ GMAC_MAC_PACKET_FILTER_PCF_ALL;
+ } else if ((ifp->if_flags & IFF_ALLMULTI)) {
+ pfil |= GMAC_MAC_PACKET_FILTER_PM;
+ } else {
+ hash[0] = hash[1] = 0;
+ pfil |= GMAC_MAC_PACKET_FILTER_HMC;
+ if_foreach_llmaddr(ifp, eqos_hash_maddr, hash);
+ }
+
+ /* Write our unicast address */
+ eaddr = IF_LLADDR(ifp);
+ val = eaddr[4] | (eaddr[5] << 8);
+ WR4(sc, GMAC_MAC_ADDRESS0_HIGH, val);
+ val = eaddr[0] | (eaddr[1] << 8) | (eaddr[2] << 16) |
+ (eaddr[3] << 24);
+ WR4(sc, GMAC_MAC_ADDRESS0_LOW, val);
+
+ /* Multicast hash filters */
+ WR4(sc, GMAC_MAC_HASH_TABLE_REG0, hash[1]);
+ WR4(sc, GMAC_MAC_HASH_TABLE_REG1, hash[0]);
+
+ /* Packet filter config */
+ WR4(sc, GMAC_MAC_PACKET_FILTER, pfil);
+}
+
+static int
+eqos_reset(struct eqos_softc *sc)
+{
+ uint32_t val;
+ int retry;
+
+ WR4(sc, GMAC_DMA_MODE, GMAC_DMA_MODE_SWR);
+ for (retry = 2000; retry > 0; retry--) {
+ DELAY(1000);
+ val = RD4(sc, GMAC_DMA_MODE);
+ if (!(val & GMAC_DMA_MODE_SWR))
+ return (0);
+ }
+ return (ETIMEDOUT);
+}
+
+static void
+eqos_init_rings(struct eqos_softc *sc)
+{
+
+ WR4(sc, GMAC_DMA_CHAN0_TX_BASE_ADDR_HI,
+ (uint32_t)(sc->tx.desc_ring_paddr >> 32));
+ WR4(sc, GMAC_DMA_CHAN0_TX_BASE_ADDR,
+ (uint32_t)sc->tx.desc_ring_paddr);
+ WR4(sc, GMAC_DMA_CHAN0_TX_RING_LEN, TX_DESC_COUNT - 1);
+
+ WR4(sc, GMAC_DMA_CHAN0_RX_BASE_ADDR_HI,
+ (uint32_t)(sc->rx.desc_ring_paddr >> 32));
+ WR4(sc, GMAC_DMA_CHAN0_RX_BASE_ADDR,
+ (uint32_t)sc->rx.desc_ring_paddr);
+ WR4(sc, GMAC_DMA_CHAN0_RX_RING_LEN, RX_DESC_COUNT - 1);
+
+ WR4(sc, GMAC_DMA_CHAN0_RX_END_ADDR,
+ (uint32_t)sc->rx.desc_ring_paddr + DESC_OFFSET(RX_DESC_COUNT));
+}
+
+static void
+eqos_init(void *if_softc)
+{
+ struct eqos_softc *sc = if_softc;
+ struct ifnet *ifp = sc->ifp;
+ struct mii_data *mii = device_get_softc(sc->miibus);
+ uint32_t val;
+
+ if (if_getdrvflags(ifp) & IFF_DRV_RUNNING)
+ return;
+
+ EQOS_LOCK(sc);
+
+ eqos_init_rings(sc);
+
+ eqos_setup_rxfilter(sc);
+
+ WR4(sc, GMAC_MAC_1US_TIC_COUNTER, (sc->csr_clock / 1000000) - 1);
+
+ /* Enable transmit and receive DMA */
+ val = RD4(sc, GMAC_DMA_CHAN0_CONTROL);
+ val &= ~GMAC_DMA_CHAN0_CONTROL_DSL_MASK;
+ val |= ((DESC_ALIGN - 16) / 8) << GMAC_DMA_CHAN0_CONTROL_DSL_SHIFT;
+ val |= GMAC_DMA_CHAN0_CONTROL_PBLX8;
+ WR4(sc, GMAC_DMA_CHAN0_CONTROL, val);
+ val = RD4(sc, GMAC_DMA_CHAN0_TX_CONTROL);
+ val |= GMAC_DMA_CHAN0_TX_CONTROL_OSP;
+ val |= GMAC_DMA_CHAN0_TX_CONTROL_START;
+ WR4(sc, GMAC_DMA_CHAN0_TX_CONTROL, val);
+ val = RD4(sc, GMAC_DMA_CHAN0_RX_CONTROL);
+ val &= ~GMAC_DMA_CHAN0_RX_CONTROL_RBSZ_MASK;
+ val |= (MCLBYTES << GMAC_DMA_CHAN0_RX_CONTROL_RBSZ_SHIFT);
+ val |= GMAC_DMA_CHAN0_RX_CONTROL_START;
+ WR4(sc, GMAC_DMA_CHAN0_RX_CONTROL, val);
+
+ /* Disable counters */
+ WR4(sc, GMAC_MMC_CONTROL,
+ GMAC_MMC_CONTROL_CNTFREEZ |
+ GMAC_MMC_CONTROL_CNTPRST |
+ GMAC_MMC_CONTROL_CNTPRSTLVL);
+
+ /* Configure operation modes */
+ WR4(sc, GMAC_MTL_TXQ0_OPERATION_MODE,
+ GMAC_MTL_TXQ0_OPERATION_MODE_TSF |
+ GMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_EN);
+ WR4(sc, GMAC_MTL_RXQ0_OPERATION_MODE,
+ GMAC_MTL_RXQ0_OPERATION_MODE_RSF |
+ GMAC_MTL_RXQ0_OPERATION_MODE_FEP |
+ GMAC_MTL_RXQ0_OPERATION_MODE_FUP);
+
+ /* Enable flow control */
+ val = RD4(sc, GMAC_MAC_Q0_TX_FLOW_CTRL);
+ val |= 0xFFFFU << GMAC_MAC_Q0_TX_FLOW_CTRL_PT_SHIFT;
+ val |= GMAC_MAC_Q0_TX_FLOW_CTRL_TFE;
+ WR4(sc, GMAC_MAC_Q0_TX_FLOW_CTRL, val);
+ val = RD4(sc, GMAC_MAC_RX_FLOW_CTRL);
+ val |= GMAC_MAC_RX_FLOW_CTRL_RFE;
+ WR4(sc, GMAC_MAC_RX_FLOW_CTRL, val);
+
+ /* Enable transmitter and receiver */
+ val = RD4(sc, GMAC_MAC_CONFIGURATION);
+ val |= GMAC_MAC_CONFIGURATION_BE;
+ val |= GMAC_MAC_CONFIGURATION_JD;
+ val |= GMAC_MAC_CONFIGURATION_JE;
+ val |= GMAC_MAC_CONFIGURATION_DCRS;
+ val |= GMAC_MAC_CONFIGURATION_TE;
+ val |= GMAC_MAC_CONFIGURATION_RE;
+ WR4(sc, GMAC_MAC_CONFIGURATION, val);
+
+ eqos_enable_intr(sc);
+
+ if_setdrvflagbits(ifp, IFF_DRV_RUNNING, IFF_DRV_OACTIVE);
+
+ mii_mediachg(mii);
+ callout_reset(&sc->callout, hz, eqos_tick, sc);
+
+ EQOS_UNLOCK(sc);
+}
+
+static void
+eqos_start_locked(struct ifnet *ifp)
+{
+ struct eqos_softc *sc = ifp->if_softc;
+ struct mbuf *m;
+ int pending = 0;
+
+ if (!sc->link_up)
+ return;
+
+ if ((if_getdrvflags(ifp) & (IFF_DRV_RUNNING|IFF_DRV_OACTIVE)) != IFF_DRV_RUNNING)
+ return;
+
+ while (true) {
+ if (TX_QUEUED(sc->tx.head, sc->tx.tail) >= TX_DESC_COUNT - TX_MAX_SEGS) {
+ if_setdrvflagbits(ifp, IFF_DRV_OACTIVE, 0);
+ break;
+ }
+
+ if (!(m = if_dequeue(ifp)))
+ break;
+
+ if (eqos_setup_txbuf(sc, m)) {
+ if_sendq_prepend(ifp, m);
+ if_setdrvflagbits(ifp, IFF_DRV_OACTIVE, 0);
+ break;
+ }
+ if_bpfmtap(ifp, m);
+ pending++;
+ }
+
+ if (pending) {
+ bus_dmamap_sync(sc->tx.desc_tag, sc->tx.desc_map,
+ BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
+
+ /* Start and run TX DMA */
+ WR4(sc, GMAC_DMA_CHAN0_TX_END_ADDR,
+ (uint32_t)sc->tx.desc_ring_paddr + DESC_OFFSET(sc->tx.head));
+ sc->tx_watchdog = WATCHDOG_TIMEOUT_SECS;
+ }
+}
+
+static void
+eqos_start(struct ifnet *ifp)
+{
+ struct eqos_softc *sc = ifp->if_softc;
+
+ EQOS_LOCK(sc);
+ eqos_start_locked(ifp);
+ EQOS_UNLOCK(sc);
+}
+
+static void
+eqos_stop(struct eqos_softc *sc)
+{
+ struct ifnet *ifp = sc->ifp;
+ uint32_t val;
+ int retry;
+
+ EQOS_LOCK(sc);
+
+ if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
+
+ callout_stop(&sc->callout);
+
+ /* Disable receiver */
+ val = RD4(sc, GMAC_MAC_CONFIGURATION);
+ val &= ~GMAC_MAC_CONFIGURATION_RE;
+ WR4(sc, GMAC_MAC_CONFIGURATION, val);
+
+ /* Stop receive DMA */
+ val = RD4(sc, GMAC_DMA_CHAN0_RX_CONTROL);
+ val &= ~GMAC_DMA_CHAN0_RX_CONTROL_START;
+ WR4(sc, GMAC_DMA_CHAN0_RX_CONTROL, val);
+
+ /* Stop transmit DMA */
+ val = RD4(sc, GMAC_DMA_CHAN0_TX_CONTROL);
+ val &= ~GMAC_DMA_CHAN0_TX_CONTROL_START;
+ WR4(sc, GMAC_DMA_CHAN0_TX_CONTROL, val);
+
+ /* Flush data in the TX FIFO */
+ val = RD4(sc, GMAC_MTL_TXQ0_OPERATION_MODE);
+ val |= GMAC_MTL_TXQ0_OPERATION_MODE_FTQ;
+ WR4(sc, GMAC_MTL_TXQ0_OPERATION_MODE, val);
+ for (retry = 10000; retry > 0; retry--) {
+ val = RD4(sc, GMAC_MTL_TXQ0_OPERATION_MODE);
+ if (!(val & GMAC_MTL_TXQ0_OPERATION_MODE_FTQ))
+ break;
+ DELAY(10);
+ }
+ if (!retry)
+ device_printf(sc->dev, "timeout flushing TX queue\n");
+
+ /* Disable transmitter */
+ val = RD4(sc, GMAC_MAC_CONFIGURATION);
+ val &= ~GMAC_MAC_CONFIGURATION_TE;
+ WR4(sc, GMAC_MAC_CONFIGURATION, val);
+
+ eqos_disable_intr(sc);
+
+ EQOS_UNLOCK(sc);
+}
+
+static void
+eqos_rxintr(struct eqos_softc *sc)
+{
+ struct ifnet *ifp = sc->ifp;
+ struct mbuf *m;
+ uint32_t tdes3;
+ int error, length;
+
+ while (true) {
+ tdes3 = le32toh(sc->rx.desc_ring[sc->rx.head].tdes3);
+ if ((tdes3 & EQOS_RDES3_OWN))
+ break;
+
+ if (tdes3 & (EQOS_RDES3_OE | EQOS_RDES3_RE))
+ printf("Receive errer rdes3=%08x\n", tdes3);
+
+ bus_dmamap_sync(sc->rx.buf_tag,
+ sc->rx.buf_map[sc->rx.head].map, BUS_DMASYNC_POSTREAD);
+ bus_dmamap_unload(sc->rx.buf_tag,
+ sc->rx.buf_map[sc->rx.head].map);
+
+ length = tdes3 & EQOS_RDES3_LENGTH_MASK;
+ if (length) {
+ m = sc->rx.buf_map[sc->rx.head].mbuf;
+ m->m_pkthdr.rcvif = ifp;
+ m->m_pkthdr.len = length;
+ m->m_len = length;
+ m->m_nextpkt = NULL;
+
+ /* Remove trailing FCS */
+ m_adj(m, -ETHER_CRC_LEN);
+
+ EQOS_UNLOCK(sc);
+ (*ifp->if_input)(ifp, m);
+ EQOS_LOCK(sc);
+ }
+
+ if ((m = eqos_alloc_mbufcl(sc))) {
+ if ((error = eqos_setup_rxbuf(sc, sc->rx.head, m)))
+ printf("ERROR: Hole in RX ring!!\n");
+ } else
+ if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
+
+ if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1);
+
+ WR4(sc, GMAC_DMA_CHAN0_RX_END_ADDR,
+ (uint32_t)sc->rx.desc_ring_paddr + DESC_OFFSET(sc->rx.head));
+
+ sc->rx.head = RX_NEXT(sc->rx.head);
+ }
+}
+
+static void
+eqos_txintr(struct eqos_softc *sc)
+{
+ struct ifnet *ifp = sc->ifp;
+ struct eqos_bufmap *bmap;
+ uint32_t tdes3;
+
+ EQOS_ASSERT_LOCKED(sc);
+
+ while (sc->tx.tail != sc->tx.head) {
+ tdes3 = le32toh(sc->tx.desc_ring[sc->tx.tail].tdes3);
+ if ((tdes3 & EQOS_TDES3_OWN))
+ break;
+
+ bmap = &sc->tx.buf_map[sc->tx.tail];
+ if (bmap->mbuf) {
+ bus_dmamap_sync(sc->tx.buf_tag, bmap->map,
+ BUS_DMASYNC_POSTWRITE);
+ bus_dmamap_unload(sc->tx.buf_tag, bmap->map);
+ m_freem(bmap->mbuf);
+ bmap->mbuf = NULL;
+ }
+
+ eqos_setup_txdesc(sc, sc->tx.tail, 0, 0, 0, 0);
+
+ if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE);
+
+ /* Last descriptor in a packet contains DMA status */
+ if ((tdes3 & EQOS_TDES3_LD)) {
+ if ((tdes3 & EQOS_TDES3_DE)) {
+ if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
+ } else if ((tdes3 & EQOS_TDES3_ES)) {
+ if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
+ } else {
+ if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
+ }
+ }
+ sc->tx.tail = TX_NEXT(sc->tx.tail);
+ }
+ if (sc->tx.tail == sc->tx.head)
+ sc->tx_watchdog = 0;
+ eqos_start_locked(sc->ifp);
+}
+
+static void
+eqos_intr_mtl(struct eqos_softc *sc, uint32_t mtl_status)
+{
+ uint32_t mtl_istat = 0;
+
+ if ((mtl_status & GMAC_MTL_INTERRUPT_STATUS_Q0IS)) {
+ uint32_t mtl_clear = 0;
+
+ mtl_istat = RD4(sc, GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS);
+ if ((mtl_istat & GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_RXOVFIS)) {
+ mtl_clear |= GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_RXOVFIS;
+ }
+ if ((mtl_istat & GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_TXUNFIS)) {
+ mtl_clear |= GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_TXUNFIS;
+ }
+ if (mtl_clear) {
+ mtl_clear |= (mtl_istat &
+ (GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_RXOIE |
+ GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_TXUIE));
+ WR4(sc, GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS, mtl_clear);
+ }
+ }
+
+ device_printf(sc->dev,
+ "GMAC_MTL_INTERRUPT_STATUS = 0x%08X, "
+ "GMAC_MTL_INTERRUPT_STATUS_Q0IS = 0x%08X\n",
+ mtl_status, mtl_istat);
+}
+
+static void
+eqos_tick(void *softc)
+{
+ struct eqos_softc *sc = softc;
+ struct mii_data *mii = device_get_softc(sc->miibus);
+ bool link_status;
+
+ EQOS_ASSERT_LOCKED(sc);
+
+ if (sc->tx_watchdog > 0)
+ if (!--sc->tx_watchdog) {
+ device_printf(sc->dev, "watchdog timeout\n");
+ eqos_txintr(sc);
+ }
+
+ link_status = sc->link_up;
+ mii_tick(mii);
+ if (sc->link_up && !link_status)
+ eqos_start_locked(sc->ifp);
+
+ callout_reset(&sc->callout, hz, eqos_tick, sc);
+}
+
+static void
+eqos_intr(void *arg)
+{
+ struct eqos_softc *sc = arg;
+ uint32_t mac_status, mtl_status, dma_status, rx_tx_status;
+
+ mac_status = RD4(sc, GMAC_MAC_INTERRUPT_STATUS);
+ mac_status &= RD4(sc, GMAC_MAC_INTERRUPT_ENABLE);
+
+ if (mac_status)
+ device_printf(sc->dev, "MAC interrupt\n");
+
+ if ((mtl_status = RD4(sc, GMAC_MTL_INTERRUPT_STATUS)))
+ eqos_intr_mtl(sc, mtl_status);
+
+ dma_status = RD4(sc, GMAC_DMA_CHAN0_STATUS);
+ dma_status &= RD4(sc, GMAC_DMA_CHAN0_INTR_ENABLE);
+
+ if (dma_status)
+ WR4(sc, GMAC_DMA_CHAN0_STATUS, dma_status);
+
+ EQOS_LOCK(sc);
+
+ if (dma_status & GMAC_DMA_CHAN0_STATUS_RI)
+ eqos_rxintr(sc);
+
+ if (dma_status & GMAC_DMA_CHAN0_STATUS_TI)
+ eqos_txintr(sc);
+
+ EQOS_UNLOCK(sc);
+
+ if (!(mac_status | mtl_status | dma_status)) {
+ device_printf(sc->dev, "spurious interrupt mac=%08x mtl=%08x dma=%08x\n",
+ RD4(sc, GMAC_MAC_INTERRUPT_STATUS),
+ RD4(sc, GMAC_MTL_INTERRUPT_STATUS),
+ RD4(sc, GMAC_DMA_CHAN0_STATUS));
+ }
+ if ((rx_tx_status = RD4(sc, GMAC_MAC_RX_TX_STATUS)))
+ device_printf(sc->dev, "RX/TX status interrupt\n");
+}
+
+static int
+eqos_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
+{
+ struct eqos_softc *sc = ifp->if_softc;
+ struct ifreq *ifr = (struct ifreq *)data;
+ struct mii_data *mii;
+ int flags, mask;
+ int error = 0;
+
+ switch (cmd) {
+ case SIOCSIFFLAGS:
+ if (if_getflags(ifp) & IFF_UP) {
+ if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
+ flags = if_getflags(ifp);
+ if ((flags & (IFF_PROMISC|IFF_ALLMULTI))) {
+ EQOS_LOCK(sc);
+ eqos_setup_rxfilter(sc);
+ EQOS_UNLOCK(sc);
+ }
+ } else {
+ eqos_init(sc);
+ }
+ } else {
+ if (if_getdrvflags(ifp) & IFF_DRV_RUNNING)
+ eqos_stop(sc);
+ }
+ break;
+
+ case SIOCADDMULTI:
+ case SIOCDELMULTI:
+ if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
+ EQOS_LOCK(sc);
+ eqos_setup_rxfilter(sc);
+ EQOS_UNLOCK(sc);
+ }
+ break;
+
+ case SIOCSIFMEDIA:
+ case SIOCGIFMEDIA:
+ mii = device_get_softc(sc->miibus);
+ error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
+ break;
+
+ case SIOCSIFCAP:
+ mask = ifr->ifr_reqcap ^ if_getcapenable(ifp);
+ if (mask & IFCAP_VLAN_MTU)
+ if_togglecapenable(ifp, IFCAP_VLAN_MTU);
+ if (mask & IFCAP_RXCSUM)
+ if_togglecapenable(ifp, IFCAP_RXCSUM);
+ if (mask & IFCAP_TXCSUM)
+ if_togglecapenable(ifp, IFCAP_TXCSUM);
+ if ((if_getcapenable(ifp) & IFCAP_TXCSUM))
+ if_sethwassistbits(ifp, CSUM_IP | CSUM_UDP | CSUM_TCP, 0);
+ else
+ if_sethwassistbits(ifp, 0, CSUM_IP | CSUM_UDP | CSUM_TCP);
+ break;
+
+ default:
+ error = ether_ioctl(ifp, cmd, data);
+ break;
+ }
+
+ return (error);
+}
+
+static void
+eqos_get_eaddr(struct eqos_softc *sc, uint8_t *eaddr)
+{
+ uint32_t maclo, machi, rnd;
+
+ maclo = htobe32(RD4(sc, GMAC_MAC_ADDRESS0_LOW));
+ machi = htobe16(RD4(sc, GMAC_MAC_ADDRESS0_HIGH) & 0xFFFF);
+
+ if (maclo == 0xffffffff && machi == 0xffff) {
+ rnd = arc4random() & 0x00ffffff;
+ eaddr[0] = 'b';
+ eaddr[1] = 's';
+ eaddr[2] = 'd';
+ eaddr[3] = rnd >> 16;
+ eaddr[4] = rnd >> 8;
+ eaddr[5] = rnd >> 0;
+ } else {
+ eaddr[0] = maclo & 0xff;
+ eaddr[1] = (maclo >> 8) & 0xff;
+ eaddr[2] = (maclo >> 16) & 0xff;
+ eaddr[3] = (maclo >> 24) & 0xff;
+ eaddr[4] = machi & 0xff;
+ eaddr[5] = (machi >> 8) & 0xff;
+ }
+}
+
+static void
+eqos_axi_configure(struct eqos_softc *sc)
+{
+ uint32_t val;
+
+ val = RD4(sc, GMAC_DMA_SYSBUS_MODE);
+
+ /* Max Write Outstanding Req Limit */
+ val &= ~GMAC_DMA_SYSBUS_MODE_WR_OSR_LMT_MASK;
+ val |= 0x03 << GMAC_DMA_SYSBUS_MODE_WR_OSR_LMT_SHIFT;
+
+ /* Max Read Outstanding Req Limit */
+ val &= ~GMAC_DMA_SYSBUS_MODE_RD_OSR_LMT_MASK;
+ val |= 0x07 << GMAC_DMA_SYSBUS_MODE_RD_OSR_LMT_SHIFT;
+
+ /* Allowed Burst Length's */
+ val |= GMAC_DMA_SYSBUS_MODE_BLEN16;
+ val |= GMAC_DMA_SYSBUS_MODE_BLEN8;
+ val |= GMAC_DMA_SYSBUS_MODE_BLEN4;
+
+ /* Fixed Burst Length */
+ val |= GMAC_DMA_SYSBUS_MODE_MB;
+
+ WR4(sc, GMAC_DMA_SYSBUS_MODE, val);
+}
+
+static void
+eqos_get1paddr(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
+{
+
+ if (!error)
+ *(bus_addr_t *)arg = segs[0].ds_addr;
+}
+
+static int
+eqos_setup_dma(struct eqos_softc *sc)
+{
+ struct mbuf *m;
+ int error, i;
+
+ /* Set up TX descriptor ring, descriptors, and dma maps */
+ if ((error = bus_dma_tag_create(bus_get_dma_tag(sc->dev),
+ DESC_ALIGN, DESC_BOUNDARY,
+ BUS_SPACE_MAXADDR_32BIT,
+ BUS_SPACE_MAXADDR, NULL, NULL,
+ TX_DESC_SIZE, 1, TX_DESC_SIZE, 0,
+ NULL, NULL, &sc->tx.desc_tag))) {
+ device_printf(sc->dev, "could not create TX ring DMA tag\n");
+ return (error);
+ }
+
+ if ((error = bus_dmamem_alloc(sc->tx.desc_tag, (void**)&sc->tx.desc_ring,
+ BUS_DMA_COHERENT | BUS_DMA_WAITOK | BUS_DMA_ZERO,
+ &sc->tx.desc_map))) {
+ device_printf(sc->dev,
+ "could not allocate TX descriptor ring.\n");
+ return (error);
+ }
+
+ if ((error = bus_dmamap_load(sc->tx.desc_tag, sc->tx.desc_map,
+ sc->tx.desc_ring, TX_DESC_SIZE, eqos_get1paddr,
+ &sc->tx.desc_ring_paddr, 0))) {
+ device_printf(sc->dev,
+ "could not load TX descriptor ring map.\n");
+ return (error);
+ }
+
+ if ((error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 1, 0,
+ BUS_SPACE_MAXADDR_32BIT,
+ BUS_SPACE_MAXADDR, NULL, NULL,
+ MCLBYTES*TX_MAX_SEGS, TX_MAX_SEGS,
+ MCLBYTES, 0, NULL, NULL,
+ &sc->tx.buf_tag))) {
+ device_printf(sc->dev,
+ "could not create TX buffer DMA tag.\n");
+ return (error);
+ }
+
+ for (i = 0; i < TX_DESC_COUNT; i++) {
+ if ((error = bus_dmamap_create(sc->tx.buf_tag, BUS_DMA_COHERENT,
+ &sc->tx.buf_map[i].map))) {
+ device_printf(sc->dev, "cannot create TX buffer map\n");
+ return (error);
+ }
+ eqos_setup_txdesc(sc, i, EQOS_TDES3_OWN, 0, 0, 0);
+ }
+
+ /* Set up RX descriptor ring, descriptors, dma maps, and mbufs */
+ if ((error = bus_dma_tag_create(bus_get_dma_tag(sc->dev),
+ DESC_ALIGN, DESC_BOUNDARY,
+ BUS_SPACE_MAXADDR_32BIT,
+ BUS_SPACE_MAXADDR, NULL, NULL,
+ RX_DESC_SIZE, 1, RX_DESC_SIZE, 0,
+ NULL, NULL, &sc->rx.desc_tag))) {
+ device_printf(sc->dev, "could not create RX ring DMA tag.\n");
+ return (error);
+ }
+
+ if ((error = bus_dmamem_alloc(sc->rx.desc_tag,
+ (void **)&sc->rx.desc_ring,
+ BUS_DMA_COHERENT | BUS_DMA_WAITOK | BUS_DMA_ZERO,
+ &sc->rx.desc_map))) {
+ device_printf(sc->dev,
+ "could not allocate RX descriptor ring.\n");
+ return (error);
+ }
+
+ if ((error = bus_dmamap_load(sc->rx.desc_tag, sc->rx.desc_map,
+ sc->rx.desc_ring, RX_DESC_SIZE, eqos_get1paddr,
+ &sc->rx.desc_ring_paddr, 0))) {
+ device_printf(sc->dev,
+ "could not load RX descriptor ring map.\n");
+ return (error);
+ }
+
+ if ((error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 1, 0,
+ BUS_SPACE_MAXADDR_32BIT,
+ BUS_SPACE_MAXADDR, NULL, NULL,
+ MCLBYTES, 1,
+ MCLBYTES, 0, NULL, NULL,
+ &sc->rx.buf_tag))) {
+ device_printf(sc->dev, "could not create RX buf DMA tag.\n");
+ return (error);
+ }
+
+ for (i = 0; i < RX_DESC_COUNT; i++) {
+ if ((error = bus_dmamap_create(sc->rx.buf_tag, BUS_DMA_COHERENT,
+ &sc->rx.buf_map[i].map))) {
+ device_printf(sc->dev, "cannot create RX buffer map\n");
+ return (error);
+ }
+ if (!(m = eqos_alloc_mbufcl(sc))) {
+ device_printf(sc->dev, "cannot allocate RX mbuf\n");
+ return (ENOMEM);
+ }
+ if ((error = eqos_setup_rxbuf(sc, i, m))) {
+ device_printf(sc->dev, "cannot create RX buffer\n");
+ return (error);
+ }
+ }
+
+ if (bootverbose)
+ device_printf(sc->dev, "TX ring @ 0x%lx, RX ring @ 0x%lx\n",
+ sc->tx.desc_ring_paddr, sc->rx.desc_ring_paddr);
+ return (0);
+}
+
+static int
+eqos_attach(device_t dev)
+{
+ struct eqos_softc *sc = device_get_softc(dev);
+ struct ifnet *ifp;
+ uint32_t ver;
+ uint8_t eaddr[ETHER_ADDR_LEN];
+ u_int userver, snpsver;
+ int error;
+ int n;
+
+ /* setup resources */
+ if (bus_alloc_resources(dev, eqos_spec, sc->res)) {
+ device_printf(dev, "Could not allocate resources\n");
+ bus_release_resources(dev, eqos_spec, sc->res);
+ return (ENXIO);
+ }
+
+ sc->dev = dev;
+ ver = RD4(sc, GMAC_MAC_VERSION);
+ userver = (ver & GMAC_MAC_VERSION_USERVER_MASK) >>
+ GMAC_MAC_VERSION_USERVER_SHIFT;
+ snpsver = ver & GMAC_MAC_VERSION_SNPSVER_MASK;
+
+ if (snpsver != 0x51) {
+ device_printf(dev, "EQOS version 0x%02xx not supported\n",
+ snpsver);
+ return (ENXIO);
+ }
+
+ for (n = 0; n < 4; n++)
+ sc->hw_feature[n] = RD4(sc, GMAC_MAC_HW_FEATURE(n));
+
+ if (bootverbose) {
+ device_printf(dev, "DesignWare EQOS ver 0x%02x (0x%02x)\n",
+ snpsver, userver);
+ device_printf(dev, "hw features %08x %08x %08x %08x\n",
+ sc->hw_feature[0], sc->hw_feature[1],
+ sc->hw_feature[2], sc->hw_feature[3]);
+ }
+
+
+ if ((error = EQOS_INIT(dev)))
+ return (error);
+
+ mtx_init(&sc->lock, "eqos lock", MTX_NETWORK_LOCK, MTX_DEF);
+ callout_init_mtx(&sc->callout, &sc->lock, 0);
+
+ eqos_get_eaddr(sc, eaddr);
+ if (bootverbose)
+ device_printf(sc->dev, "Ethernet address %6D\n", eaddr, ":");
+
+ /* Soft reset EMAC core */
+ if ((error = eqos_reset(sc))) {
+ device_printf(sc->dev, "reset timeout!\n");
+ return (error);
+ }
+
+ /* Configure AXI Bus mode parameters */
+ eqos_axi_configure(sc);
+
+ /* Setup DMA descriptors */
+ if (eqos_setup_dma(sc)) {
+ device_printf(sc->dev, "failed to setup DMA descriptors\n");
+ return (EINVAL);
+ }
+
+ /* setup interrupt delivery */
+ if ((bus_setup_intr(dev, sc->res[EQOS_RES_IRQ0], EQOS_INTR_FLAGS,
+ NULL, eqos_intr, sc, &sc->irq_handle))) {
+ device_printf(dev, "unable to setup 1st interrupt\n");
+ bus_release_resources(dev, eqos_spec, sc->res);
+ return (ENXIO);
+ }
+
+ /* Setup ethernet interface */
+ ifp = sc->ifp = if_alloc(IFT_ETHER);
+ ifp->if_softc = sc;
+ if_initname(ifp, device_get_name(sc->dev), device_get_unit(sc->dev));
+ if_setflags(sc->ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST);
+ if_setstartfn(ifp, eqos_start);
+ if_setioctlfn(ifp, eqos_ioctl);
+ if_setinitfn(ifp, eqos_init);
+ if_setsendqlen(ifp, TX_DESC_COUNT - 1);
+ if_setsendqready(ifp);
+ if_setcapabilities(ifp, IFCAP_VLAN_MTU /*| IFCAP_HWCSUM*/);
+ if_setcapenable(ifp, if_getcapabilities(ifp));
+
+ /* Attach MII driver */
+ if ((error = mii_attach(sc->dev, &sc->miibus, ifp, eqos_media_change,
+ eqos_media_status, BMSR_DEFCAPMASK, MII_PHY_ANY,
+ MII_OFFSET_ANY, 0))) {
+ device_printf(sc->dev, "PHY attach failed\n");
+ return (ENXIO);
+ }
+
+ /* Attach ethernet interface */
+ ether_ifattach(ifp, eaddr);
+
+ return (0);
+}
+
+static int
+eqos_detach(device_t dev)
+{
+ struct eqos_softc *sc = device_get_softc(dev);
+ int i;
+
+ if (device_is_attached(dev)) {
+ EQOS_LOCK(sc);
+ eqos_stop(sc);
+ EQOS_UNLOCK(sc);
+ sc->ifp->if_flags &= ~IFF_UP;
+ ether_ifdetach(sc->ifp);
+ }
+
+ if (sc->miibus)
+ device_delete_child(dev, sc->miibus);
+ bus_generic_detach(dev);
+
+ if (sc->irq_handle)
+ bus_teardown_intr(dev, sc->res[EQOS_RES_IRQ0], sc->irq_handle);
+
+ if (sc->ifp)
+ if_free(sc->ifp);
+
+ bus_release_resources(dev, eqos_spec, sc->res);
+
+ if (sc->tx.desc_tag) {
+ if (sc->tx.desc_map) {
+ bus_dmamap_unload(sc->tx.desc_tag, sc->tx.desc_map);
+ bus_dmamem_free(sc->tx.desc_tag, sc->tx.desc_ring,
+ sc->tx.desc_map);
+ }
+ bus_dma_tag_destroy(sc->tx.desc_tag);
+ }
+ if (sc->tx.buf_tag) {
+ for (i = 0; i < TX_DESC_COUNT; i++) {
+ m_free(sc->tx.buf_map[i].mbuf);
+ bus_dmamap_destroy(sc->tx.buf_tag,
+ sc->tx.buf_map[i].map);
+ }
+ bus_dma_tag_destroy(sc->tx.buf_tag);
+ }
+
+ if (sc->rx.desc_tag) {
+ if (sc->rx.desc_map) {
+ bus_dmamap_unload(sc->rx.desc_tag, sc->rx.desc_map);
+ bus_dmamem_free(sc->rx.desc_tag, sc->rx.desc_ring,
+ sc->rx.desc_map);
+ }
+ bus_dma_tag_destroy(sc->rx.desc_tag);
+ }
+ if (sc->rx.buf_tag) {
+ for (i = 0; i < RX_DESC_COUNT; i++) {
+ m_free(sc->rx.buf_map[i].mbuf);
+ bus_dmamap_destroy(sc->rx.buf_tag,
+ sc->rx.buf_map[i].map);
+ }
+ bus_dma_tag_destroy(sc->rx.buf_tag);
+ }
+
+ mtx_destroy(&sc->lock);
+
+ return (0);
+}
+
+
+static device_method_t eqos_methods[] = {
+ /* Device Interface */
+ DEVMETHOD(device_attach, eqos_attach),
+ DEVMETHOD(device_detach, eqos_detach),
+
+ /* MII Interface */
+ DEVMETHOD(miibus_readreg, eqos_miibus_readreg),
+ DEVMETHOD(miibus_writereg, eqos_miibus_writereg),
+ DEVMETHOD(miibus_statchg, eqos_miibus_statchg),
+
+ DEVMETHOD_END
+};
+
+driver_t eqos_driver = {
+ "eqos",
+ eqos_methods,
+ sizeof(struct eqos_softc),
+};
+
+devclass_t eqos_devclass;
+
+DRIVER_MODULE(miibus, eqos, miibus_driver, 0, 0);
diff --git a/sys/dev/eqos/eqos_fdt.c b/sys/dev/eqos/eqos_fdt.c
new file mode 100644
index 000000000000..4cd0cbbc8408
--- /dev/null
+++ b/sys/dev/eqos/eqos_fdt.c
@@ -0,0 +1,278 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2022 Soren Schmidt <sos@deepcore.dk>
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ * $Id$
+ */
+
+#include "opt_platform.h"
+#include <sys/cdefs.h>
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/systm.h>
+#include <sys/endian.h>
+#include <sys/gpio.h>
+#include <sys/socket.h>
+#include <machine/bus.h>
+
+#include <net/if.h>
+#include <net/if_media.h>
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/extres/clk/clk.h>
+#include <dev/extres/hwreset/hwreset.h>
+#include <dev/extres/regulator/regulator.h>
+#include <dev/extres/syscon/syscon.h>
+
+#include <dev/eqos/eqos_var.h>
+
+#include "eqos_if.h"
+#include "syscon_if.h"
+#include "gpio_if.h"
+
+
+#define EQOS_GRF_GMAC0_CON0 0x0380
+#define EQOS_GRF_GMAC0_CON1 0x0384
+#define EQOS_GRF_GMAC1_CON0 0x0388
+#define EQOS_GRF_GMAC1_CON1 0x038c
+
+#define EQOS_GMAC_PHY_INTF_SEL_RGMII 0x00f80010
+#define EQOS_GMAC_PHY_INTF_SEL_RMII 0x00f80040
+#define EQOS_GMAC_RXCLK_DLY_ENABLE 0x00020002
+#define EQOS_GMAC_RXCLK_DLY_DISABLE 0x00020000
+#define EQOS_GMAC_TXCLK_DLY_ENABLE 0x00010001
+#define EQOS_GMAC_TXCLK_DLY_DISABLE 0x00010000
+
+#define EQOS_GMAC_CLK_RX_DL_CFG(val) (0x7f000000 | val << 8)
+#define EQOS_GMAC_CLK_TX_DL_CFG(val) (0x007f0000 | val)
+
+static const struct ofw_compat_data compat_data[] = {
+ {"snps,dwmac-4.20a", 1},
+ { NULL, 0 }
+};
+
+
+static int
+eqos_phy_reset(device_t dev)
+{
+ pcell_t gpio_prop[4];
+ pcell_t delay_prop[3];
+ phandle_t node, gpio_node;
+ device_t gpio;
+ uint32_t pin, flags;
+ uint32_t pin_value;
+
+ node = ofw_bus_get_node(dev);
+ if (OF_getencprop(node, "snps,reset-gpio",
+ gpio_prop, sizeof(gpio_prop)) <= 0)
+ return (0);
+
+ if (OF_getencprop(node, "snps,reset-delays-us",
+ delay_prop, sizeof(delay_prop)) <= 0) {
+ device_printf(dev,
+ "Wrong property for snps,reset-delays-us");
+ return (ENXIO);
+ }
+
+ gpio_node = OF_node_from_xref(gpio_prop[0]);
+ if ((gpio = OF_device_from_xref(gpio_prop[0])) == NULL) {
+ device_printf(dev,
+ "Can't find gpio controller for phy reset\n");
+ return (ENXIO);
+ }
+
+ if (GPIO_MAP_GPIOS(gpio, node, gpio_node,
+ nitems(gpio_prop) - 1,
+ gpio_prop + 1, &pin, &flags) != 0) {
+ device_printf(dev, "Can't map gpio for phy reset\n");
+ return (ENXIO);
+ }
+
+ pin_value = GPIO_PIN_LOW;
+ if (OF_hasprop(node, "snps,reset-active-low"))
+ pin_value = GPIO_PIN_HIGH;
+
+ GPIO_PIN_SETFLAGS(gpio, pin, GPIO_PIN_OUTPUT);
+ GPIO_PIN_SET(gpio, pin, pin_value);
+ DELAY(delay_prop[0]);
+ GPIO_PIN_SET(gpio, pin, !pin_value);
+ DELAY(delay_prop[1]);
+ GPIO_PIN_SET(gpio, pin, pin_value);
+ DELAY(delay_prop[2]);
+
+ return (0);
+}
+
+static int
+eqos_fdt_set_speed(device_t dev, int speed)
+{
+ struct eqos_softc *sc = device_get_softc(dev);
+ uint64_t freq = 0;
+
+ switch (speed) {
+ case IFM_10_T:
+ freq = 2500000;
+ break;
+ case IFM_100_TX:
+ freq = 25000000;
+ break;
+ case IFM_1000_T:
+ case IFM_1000_SX:
+ freq = 125000000;
+ break;
+ default:
+ sc->link_up = false;
+ return (ENXIO);
+ }
+ if (!clk_set_freq(sc->clk_mac_speed, freq, 0)) {
+ sc->csr_clock = freq;
+ if (sc->csr_clock > 35000000) {
+ sc->csr_clock_range = GMAC_MAC_MDIO_ADDRESS_CR_100_150;
+ SYSCON_WRITE_4(sc->grf, EQOS_GRF_GMAC1_CON1,
+ EQOS_GMAC_PHY_INTF_SEL_RGMII |
+ EQOS_GMAC_RXCLK_DLY_ENABLE |
+ EQOS_GMAC_TXCLK_DLY_ENABLE);
+ }
+ else {
+ sc->csr_clock_range = GMAC_MAC_MDIO_ADDRESS_CR_20_35;
+ SYSCON_WRITE_4(sc->grf, EQOS_GRF_GMAC1_CON1,
+ EQOS_GMAC_PHY_INTF_SEL_RGMII |
+ EQOS_GMAC_RXCLK_DLY_ENABLE |
+ EQOS_GMAC_TXCLK_DLY_ENABLE | 0x00040004);
+ }
+ if (bootverbose)
+ device_printf(dev, "setting interface speed to %d\n",
+ sc->csr_clock);
+ } else
+ device_printf(dev, "setting interface speed failed\n");
+ return (0);
+}
+
+static int
+eqos_fdt_init(device_t dev)
+{
+ struct eqos_softc *sc = device_get_softc(dev);
+ phandle_t node = ofw_bus_get_node(dev);
+ hwreset_t eqos_reset;
+ regulator_t eqos_supply;
+ uint32_t rx_delay, tx_delay;
+ int error;
+
+ if (OF_hasprop(node, "rockchip,grf") &&
+ syscon_get_by_ofw_property(dev, node, "rockchip,grf", &sc->grf)) {
+ device_printf(dev, "cannot get grf driver handle\n");
+ return (ENXIO);
+ }
+
+ if (hwreset_get_by_ofw_idx(dev, node, 0, &eqos_reset)) {
+ device_printf(dev, "cannot get reset\n");
+ return (ENXIO);
+ } else
+ hwreset_assert(eqos_reset);
+
+ if (!clk_get_by_ofw_name(dev, 0, "clk_mac_speed", &sc->clk_mac_speed)) {
+ if ((error = clk_enable(sc->clk_mac_speed))) {
+ device_printf(dev, "cannot enable clk_mac_speed\n");
+ return (error);
+ }
+ if (bootverbose) {
+ uint64_t freq;
+
+ clk_get_freq(sc->clk_mac_speed, &freq);
+ device_printf(dev, "MAC frequency=%ld\n", freq);
+ }
+ } else {
+ device_printf(dev, "could not find clock clk_mac_speed\n");
+ return (ENXIO);
+ }
+
+ if (OF_getencprop(node, "tx_delay", &tx_delay, sizeof(tx_delay)) <= 0)
+ tx_delay = 0x30;
+ if (OF_getencprop(node, "rx_delay", &rx_delay, sizeof(rx_delay)) <= 0)
+ rx_delay = 0x10;
+ SYSCON_WRITE_4(sc->grf, EQOS_GRF_GMAC1_CON0,
+ EQOS_GMAC_CLK_RX_DL_CFG(rx_delay) |
+ EQOS_GMAC_CLK_TX_DL_CFG(tx_delay));
+
+ if (!regulator_get_by_ofw_property(dev, 0, "phy-supply", &eqos_supply)){
+ if (regulator_enable(eqos_supply))
+ device_printf(dev, "cannot enable 'phy' regulator\n");
+ } else
+ device_printf(dev, "no phy-supply property\n");
+
+ if (eqos_phy_reset(dev))
+ return (ENXIO);
+
+ eqos_fdt_set_speed(dev, IFM_1000_T);
+
+ if (eqos_reset)
+ hwreset_deassert(eqos_reset);
+
+ /* maybe find a way to set the MAC address */
+
+ return (0);
+}
+
+static int
+eqos_fdt_probe(device_t dev)
+{
+
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+ if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
+ return (ENXIO);
+
+ device_set_desc(dev, "DesignWare EQOS Gigabit ethernet");
+
+ return (BUS_PROBE_DEFAULT);
+}
+
+
+static device_method_t eqos_fdt_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, eqos_fdt_probe),
+
+ /* EQOS interface */
+ DEVMETHOD(eqos_init, eqos_fdt_init),
+ DEVMETHOD(eqos_set_speed, eqos_fdt_set_speed),
+
+ DEVMETHOD_END
+};
+
+DEFINE_CLASS_1(eqos, eqos_fdt_driver, eqos_fdt_methods,
+ sizeof(struct eqos_softc), eqos_driver);
+
+extern devclass_t eqos_devclass;
+
+DRIVER_MODULE(eqos, simplebus, eqos_fdt_driver, eqos_devclass, 0, 0);
+MODULE_DEPEND(eqos, ether, 1, 1, 1);
+MODULE_DEPEND(eqos, miibus, 1, 1, 1);
diff --git a/sys/dev/eqos/eqos_if.m b/sys/dev/eqos/eqos_if.m
new file mode 100644
index 000000000000..2889ea28bbfd
--- /dev/null
+++ b/sys/dev/eqos/eqos_if.m
@@ -0,0 +1,63 @@
+#-
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2022 Soren Schmidt <sos@deepcore.dk>
+# 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 AUTHOR 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 AUTHOR 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.
+#
+# $Id$
+#
+
+INTERFACE eqos;
+
+CODE {
+ static int
+ eqos_default_init(device_t dev)
+ {
+ return 0;
+ }
+
+ static int
+ eqos_default_set_speed(device_t dev, int speed)
+ {
+ return 0;
+ }
+}:
+
+HEADER {
+};
+
+#
+# Initialize SoC specific registers.
+#
+METHOD int init {
+ device_t dev;
+} DEFAULT eqos_default_init;
+
+#
+# Signal media change to a specific hardware
+#
+METHOD int set_speed {
+ device_t dev;
+ int speed;
+} DEFAULT eqos_default_set_speed;
diff --git a/sys/dev/eqos/eqos_reg.h b/sys/dev/eqos/eqos_reg.h
new file mode 100644
index 000000000000..31b3f57e2323
--- /dev/null
+++ b/sys/dev/eqos/eqos_reg.h
@@ -0,0 +1,295 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2022 Jared McNeill <jmcneill@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 AUTHOR ``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 AUTHOR 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.
+ *
+ * $Id$
+ */
+
+/*
+ * DesignWare Ethernet Quality-of-Service controller
+ */
+
+#ifndef _EQOS_REG_H
+#define _EQOS_REG_H
+
+#define GMAC_MAC_CONFIGURATION 0x0000
+#define GMAC_MAC_CONFIGURATION_CST (1U << 21)
+#define GMAC_MAC_CONFIGURATION_ACS (1U << 20)
+#define GMAC_MAC_CONFIGURATION_BE (1U << 18)
+#define GMAC_MAC_CONFIGURATION_JD (1U << 17)
+#define GMAC_MAC_CONFIGURATION_JE (1U << 16)
+#define GMAC_MAC_CONFIGURATION_PS (1U << 15)
+#define GMAC_MAC_CONFIGURATION_FES (1U << 14)
+#define GMAC_MAC_CONFIGURATION_DM (1U << 13)
+#define GMAC_MAC_CONFIGURATION_DCRS (1U << 9)
+#define GMAC_MAC_CONFIGURATION_TE (1U << 1)
+#define GMAC_MAC_CONFIGURATION_RE (1U << 0)
+#define GMAC_MAC_EXT_CONFIGURATION 0x0004
+#define GMAC_MAC_PACKET_FILTER 0x0008
+#define GMAC_MAC_PACKET_FILTER_HPF (1U << 10)
+#define GMAC_MAC_PACKET_FILTER_PCF_MASK (3U << 6)
+#define GMAC_MAC_PACKET_FILTER_PCF_ALL (2U << 6)
+#define GMAC_MAC_PACKET_FILTER_DBF (1U << 5)
+#define GMAC_MAC_PACKET_FILTER_PM (1U << 4)
+#define GMAC_MAC_PACKET_FILTER_HMC (1U << 2)
+#define GMAC_MAC_PACKET_FILTER_HUC (1U << 1)
+#define GMAC_MAC_PACKET_FILTER_PR (1U << 0)
+#define GMAC_MAC_WATCHDOG_TIMEOUT 0x000C
+#define GMAC_MAC_HASH_TABLE_REG0 0x0010
+#define GMAC_MAC_HASH_TABLE_REG1 0x0014
+#define GMAC_MAC_VLAN_TAG 0x0050
+#define GMAC_MAC_Q0_TX_FLOW_CTRL 0x0070
+#define GMAC_MAC_Q0_TX_FLOW_CTRL_PT_SHIFT 16
+#define GMAC_MAC_Q0_TX_FLOW_CTRL_TFE (1U << 1)
+#define GMAC_MAC_RX_FLOW_CTRL 0x0090
+#define GMAC_MAC_RX_FLOW_CTRL_RFE (1U << 0)
+#define GMAC_RXQ_CTRL0 0x00A0
+#define GMAC_RXQ_CTRL0_EN_MASK 0x3
+#define GMAC_RXQ_CTRL0_EN_DCB 0x2
+#define GMAC_RXQ_CTRL1 0x00A4
+#define GMAC_MAC_INTERRUPT_STATUS 0x00B0
+#define GMAC_MAC_INTERRUPT_ENABLE 0x00B4
+#define GMAC_MAC_RX_TX_STATUS 0x00B8
+#define GMAC_MAC_RX_TX_STATUS_RWT (1U << 8)
+#define GMAC_MAC_RX_TX_STATUS_EXCOL (1U << 5)
+#define GMAC_MAC_RX_TX_STATUS_LCOL (1U << 4)
+#define GMAC_MAC_RX_TX_STATUS_EXDEF (1U << 3)
+#define GMAC_MAC_RX_TX_STATUS_LCARR (1U << 2)
+#define GMAC_MAC_RX_TX_STATUS_NCARR (1U << 1)
+#define GMAC_MAC_RX_TX_STATUS_TJT (1U << 0)
+#define GMAC_MAC_PMT_CONTROL_STATUS 0x00C0
+#define GMAC_MAC_RWK_PACKET_FILTER 0x00C4
+#define GMAC_MAC_LPI_CONTROL_STATUS 0x00D0
+#define GMAC_MAC_LPI_TIMERS_CONTROL 0x00D4
+#define GMAC_MAC_LPI_ENTRY_TIMER 0x00D8
+#define GMAC_MAC_1US_TIC_COUNTER 0x00DC
+#define GMAC_MAC_PHYIF_CONTROL_STATUS 0x00F8
+#define GMAC_MAC_VERSION 0x0110
+#define GMAC_MAC_VERSION_USERVER_SHIFT 8
+#define GMAC_MAC_VERSION_USERVER_MASK (0xFFU << GMAC_MAC_VERSION_USERVER_SHIFT)
+#define GMAC_MAC_VERSION_SNPSVER_MASK 0xFFU
+#define GMAC_MAC_DEBUG 0x0114
+#define GMAC_MAC_HW_FEATURE(n) (0x011C + 0x4 * (n))
+#define GMAC_MAC_HW_FEATURE1_ADDR64_SHIFT 14
+#define GMAC_MAC_HW_FEATURE1_ADDR64_MASK (0x3U << GMAC_MAC_HW_FEATURE1_ADDR64_SHIFT)
+#define GMAC_MAC_HW_FEATURE1_ADDR64_32BIT (0x0U << GMAC_MAC_HW_FEATURE1_ADDR64_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS 0x0200
+#define GMAC_MAC_MDIO_ADDRESS_PA_SHIFT 21
+#define GMAC_MAC_MDIO_ADDRESS_RDA_SHIFT 16
+#define GMAC_MAC_MDIO_ADDRESS_CR_SHIFT 8
+#define GMAC_MAC_MDIO_ADDRESS_CR_MASK (0x7U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS_CR_60_100 (0U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS_CR_100_150 (1U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS_CR_20_35 (2U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS_CR_35_60 (3U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS_CR_150_250 (4U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS_CR_250_300 (5U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS_CR_300_500 (6U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS_CR_500_800 (7U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS_SKAP (1U << 4)
+#define GMAC_MAC_MDIO_ADDRESS_GOC_SHIFT 2
+#define GMAC_MAC_MDIO_ADDRESS_GOC_READ (3U << GMAC_MAC_MDIO_ADDRESS_GOC_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS_GOC_WRITE (1U << GMAC_MAC_MDIO_ADDRESS_GOC_SHIFT)
+#define GMAC_MAC_MDIO_ADDRESS_C45E (1U << 1)
+#define GMAC_MAC_MDIO_ADDRESS_GB (1U << 0)
+#define GMAC_MAC_MDIO_DATA 0x0204
+#define GMAC_MAC_CSR_SW_CTRL 0x0230
+#define GMAC_MAC_ADDRESS0_HIGH 0x0300
+#define GMAC_MAC_ADDRESS0_LOW 0x0304
+#define GMAC_MMC_CONTROL 0x0700
+#define GMAC_MMC_CONTROL_UCDBC (1U << 8)
+#define GMAC_MMC_CONTROL_CNTPRSTLVL (1U << 5)
+#define GMAC_MMC_CONTROL_CNTPRST (1U << 4)
+#define GMAC_MMC_CONTROL_CNTFREEZ (1U << 3)
+#define GMAC_MMC_CONTROL_RSTONRD (1U << 2)
+#define GMAC_MMC_CONTROL_CNTSTOPRO (1U << 1)
+#define GMAC_MMC_CONTROL_CNTRST (1U << 0)
+#define GMAC_MMC_RX_INTERRUPT 0x0704
+#define GMAC_MMC_TX_INTERRUPT 0x0708
+#define GMAC_MMC_RX_INTERRUPT_MASK 0x070C
+#define GMAC_MMC_TX_INTERRUPT_MASK 0x0710
+#define GMAC_TX_OCTET_COUNT_GOOD_BAD 0x0714
+#define GMAC_TX_PACKET_COUNT_GOOD_BAD 0x0718
+#define GMAC_TX_UNDERFLOW_ERROR_PACKETS 0x0748
+#define GMAC_TX_CARRIER_ERROR_PACKETS 0x0760
+#define GMAC_TX_OCTET_COUNT_GOOD 0x0764
+#define GMAC_TX_PACKET_COUNT_GOOD 0x0768
+#define GMAC_RX_PACKETS_COUNT_GOOD_BAD 0x0780
+#define GMAC_RX_OCTET_COUNT_GOOD_BAD 0x0784
+#define GMAC_RX_OCTET_COUNT_GOOD 0x0788
+#define GMAC_RX_MULTICAST_PACKETS_GOOD 0x0790
+#define GMAC_RX_CRC_ERROR_PACKETS 0x0794
+#define GMAC_RX_LENGTH_ERROR_PACKETS 0x07C8
+#define GMAC_RX_FIFO_OVERFLOW_PACKETS 0x07D4
+#define GMAC_MMC_IPC_RX_INTERRUPT_MASK 0x0800
+#define GMAC_MMC_IPC_RX_INTERRUPT 0x0808
+#define GMAC_RXIPV4_GOOD_PACKETS 0x0810
+#define GMAC_RXIPV4_HEADER_ERROR_PACKETS 0x0814
+#define GMAC_RXIPV6_GOOD_PACKETS 0x0824
+#define GMAC_RXIPV6_HEADER_ERROR_PACKETS 0x0828
+#define GMAC_RXUDP_ERROR_PACKETS 0x0834
+#define GMAC_RXTCP_ERROR_PACKETS 0x083C
+#define GMAC_RXICMP_ERROR_PACKETS 0x0844
+#define GMAC_RXIPV4_HEADER_ERROR_OCTETS 0x0854
+#define GMAC_RXIPV6_HEADER_ERROR_OCTETS 0x0868
+#define GMAC_RXUDP_ERROR_OCTETS 0x0874
+#define GMAC_RXTCP_ERROR_OCTETS 0x087C
+#define GMAC_RXICMP_ERROR_OCTETS 0x0884
+#define GMAC_MAC_TIMESTAMP_CONTROL 0x0B00
+#define GMAC_MAC_SUB_SECOND_INCREMENT 0x0B04
+#define GMAC_MAC_SYSTEM_TIME_SECS 0x0B08
+#define GMAC_MAC_SYSTEM_TIME_NS 0x0B0C
+#define GMAC_MAC_SYS_TIME_SECS_UPDATE 0x0B10
+#define GMAC_MAC_SYS_TIME_NS_UPDATE 0x0B14
+#define GMAC_MAC_TIMESTAMP_ADDEND 0x0B18
+#define GMAC_MAC_TIMESTAMP_STATUS 0x0B20
+#define GMAC_MAC_TX_TS_STATUS_NS 0x0B30
+#define GMAC_MAC_TX_TS_STATUS_SECS 0x0B34
+#define GMAC_MAC_AUXILIARY_CONTROL 0x0B40
+#define GMAC_MAC_AUXILIARY_TS_NS 0x0B48
+#define GMAC_MAC_AUXILIARY_TS_SECS 0x0B4C
+#define GMAC_MAC_TS_INGRESS_CORR_NS 0x0B58
+#define GMAC_MAC_TS_EGRESS_CORR_NS 0x0B5C
+#define GMAC_MAC_TS_INGRESS_LATENCY 0x0B68
+#define GMAC_MAC_TS_EGRESS_LATENCY 0x0B6C
+#define GMAC_MAC_PPS_CONTROL 0x0B70
+#define GMAC_MTL_DBG_CTL 0x0C08
+#define GMAC_MTL_DBG_STS 0x0C0C
+#define GMAC_MTL_FIFO_DEBUG_DATA 0x0C10
+#define GMAC_MTL_INTERRUPT_STATUS 0x0C20
+#define GMAC_MTL_INTERRUPT_STATUS_DBGIS (1U << 17)
+#define GMAC_MTL_INTERRUPT_STATUS_Q0IS (1U << 0)
+#define GMAC_MTL_TXQ0_OPERATION_MODE 0x0D00
+#define GMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_SHIFT 2
+#define GMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_MASK (0x3U << GMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_SHIFT)
+#define GMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_EN (2U << GMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_SHIFT)
+#define GMAC_MTL_TXQ0_OPERATION_MODE_TSF (1U << 1)
+#define GMAC_MTL_TXQ0_OPERATION_MODE_FTQ (1U << 0)
+#define GMAC_MTL_TXQ0_UNDERFLOW 0x0D04
+#define GMAC_MTL_TXQ0_DEBUG 0x0D08
+#define GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS 0x0D2C
+#define GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_RXOIE (1U << 24)
+#define GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_RXOVFIS (1U << 16)
+#define GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_TXUIE (1U << 8)
+#define GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_TXUNFIS (1U << 0)
+#define GMAC_MTL_RXQ0_OPERATION_MODE 0x0D30
+#define GMAC_MTL_RXQ0_OPERATION_MODE_RSF (1U << 5)
+#define GMAC_MTL_RXQ0_OPERATION_MODE_FEP (1U << 4)
+#define GMAC_MTL_RXQ0_OPERATION_MODE_FUP (1U << 3)
+#define GMAC_MTL_RXQ0_MISS_PKT_OVF_CNT 0x0D34
+#define GMAC_MTL_RXQ0_DEBUG 0x0D38
+#define GMAC_DMA_MODE 0x1000
+#define GMAC_DMA_MODE_SWR (1U << 0)
+#define GMAC_DMA_SYSBUS_MODE 0x1004
+#define GMAC_DMA_SYSBUS_MODE_WR_OSR_LMT_SHIFT 24
+#define GMAC_DMA_SYSBUS_MODE_WR_OSR_LMT_MASK (0x3U << GMAC_DMA_SYSBUS_MODE_WR_OSR_LMT_SHIFT)
+#define GMAC_DMA_SYSBUS_MODE_RD_OSR_LMT_SHIFT 16
+#define GMAC_DMA_SYSBUS_MODE_RD_OSR_LMT_MASK (0x7U << GMAC_DMA_SYSBUS_MODE_RD_OSR_LMT_SHIFT)
+#define GMAC_DMA_SYSBUS_MODE_MB (1U << 14)
+#define GMAC_DMA_SYSBUS_MODE_EAME (1U << 11)
+#define GMAC_DMA_SYSBUS_MODE_BLEN16 (1U << 3)
+#define GMAC_DMA_SYSBUS_MODE_BLEN8 (1U << 2)
+#define GMAC_DMA_SYSBUS_MODE_BLEN4 (1U << 1)
+#define GMAC_DMA_SYSBUS_MODE_FB (1U << 0)
+#define GMAC_DMA_INTERRUPT_STATUS 0x1008
+#define GMAC_DMA_DEBUG_STATUS0 0x100C
+#define GMAC_AXI_LPI_ENTRY_INTERVAL 0x1040
+#define GMAC_RWK_FILTERn_BYTE_MASK(n) (0x10C0 + 0x4 * (n))
+#define GMAC_RWK_FILTER01_CRC 0x10D0
+#define GMAC_RWK_FILTER23_CRC 0x10D4
+#define GMAC_RWK_FILTER_OFFSET 0x10D8
+#define GMAC_RWK_FILTER_COMMAND 0x10DC
+#define GMAC_DMA_CHAN0_CONTROL 0x1100
+#define GMAC_DMA_CHAN0_CONTROL_DSL_SHIFT 18
+#define GMAC_DMA_CHAN0_CONTROL_DSL_MASK (0x7U << GMAC_DMA_CHAN0_CONTROL_DSL_SHIFT)
+#define GMAC_DMA_CHAN0_CONTROL_PBLX8 (1U << 16)
+#define GMAC_DMA_CHAN0_TX_CONTROL 0x1104
+#define GMAC_DMA_CHAN0_TX_CONTROL_OSP (1U << 4)
+#define GMAC_DMA_CHAN0_TX_CONTROL_START (1U << 0)
+#define GMAC_DMA_CHAN0_RX_CONTROL 0x1108
+#define GMAC_DMA_CHAN0_RX_CONTROL_RBSZ_SHIFT 1
+#define GMAC_DMA_CHAN0_RX_CONTROL_RBSZ_MASK (0x3FFFU << GMAC_DMA_CHAN0_RX_CONTROL_RBSZ_SHIFT)
+#define GMAC_DMA_CHAN0_RX_CONTROL_START (1U << 0)
+#define GMAC_DMA_CHAN0_TX_BASE_ADDR_HI 0x1110
+#define GMAC_DMA_CHAN0_TX_BASE_ADDR 0x1114
+#define GMAC_DMA_CHAN0_RX_BASE_ADDR_HI 0x1118
+#define GMAC_DMA_CHAN0_RX_BASE_ADDR 0x111C
+#define GMAC_DMA_CHAN0_TX_END_ADDR 0x1120
+#define GMAC_DMA_CHAN0_RX_END_ADDR 0x1128
+#define GMAC_DMA_CHAN0_TX_RING_LEN 0x112C
+#define GMAC_DMA_CHAN0_RX_RING_LEN 0x1130
+#define GMAC_DMA_CHAN0_INTR_ENABLE 0x1134
+#define GMAC_DMA_CHAN0_INTR_ENABLE_NIE (1U << 15)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_AIE (1U << 14)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_CDE (1U << 13)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_FBE (1U << 12)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_ERI (1U << 11)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_ETI (1U << 10)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_RWT (1U << 9)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_RPS (1U << 8)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_RBU (1U << 7)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_RIE (1U << 6)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_TPU (1U << 2)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_TPS (1U << 1)
+#define GMAC_DMA_CHAN0_INTR_ENABLE_TIE (1U << 0)
+#define GMAC_DMA_CHAN0_RX_WATCHDOG 0x1138
+#define GMAC_DMA_CHAN0_SLOT_CTRL_STATUS 0x113C
+#define GMAC_DMA_CHAN0_CUR_TX_DESC 0x1144
+#define GMAC_DMA_CHAN0_CUR_RX_DESC 0x114C
+#define GMAC_DMA_CHAN0_CUR_TX_BUF_ADDR 0x1154
+#define GMAC_DMA_CHAN0_CUR_RX_BUF_ADDR 0x115C
+#define GMAC_DMA_CHAN0_STATUS 0x1160
+#define GMAC_DMA_CHAN0_STATUS_NIS (1U << 15)
+#define GMAC_DMA_CHAN0_STATUS_AIS (1U << 14)
+#define GMAC_DMA_CHAN0_STATUS_CDE (1U << 13)
+#define GMAC_DMA_CHAN0_STATUS_FB (1U << 12)
+#define GMAC_DMA_CHAN0_STATUS_ERI (1U << 11)
+#define GMAC_DMA_CHAN0_STATUS_ETI (1U << 10)
+#define GMAC_DMA_CHAN0_STATUS_RWT (1U << 9)
+#define GMAC_DMA_CHAN0_STATUS_RPS (1U << 8)
+#define GMAC_DMA_CHAN0_STATUS_RBU (1U << 7)
+#define GMAC_DMA_CHAN0_STATUS_RI (1U << 6)
+#define GMAC_DMA_CHAN0_STATUS_TPU (1U << 2)
+#define GMAC_DMA_CHAN0_STATUS_TPS (1U << 1)
+#define GMAC_DMA_CHAN0_STATUS_TI (1U << 0)
+
+#define EQOS_TDES2_IOC (1U << 31)
+#define EQOS_TDES3_OWN (1U << 31)
+#define EQOS_TDES3_FD (1U << 29)
+#define EQOS_TDES3_LD (1U << 28)
+#define EQOS_TDES3_DE (1U << 23)
+#define EQOS_TDES3_OE (1U << 21)
+#define EQOS_TDES3_ES (1U << 15)
+
+#define EQOS_RDES3_OWN (1U << 31)
+#define EQOS_RDES3_IOC (1U << 30)
+#define EQOS_RDES3_BUF1V (1U << 24)
+#define EQOS_RDES3_GP (1U << 23)
+#define EQOS_RDES3_OE (1U << 21)
+#define EQOS_RDES3_RE (1U << 20)
+#define EQOS_RDES3_LENGTH_MASK 0x7FFFU
+
+#endif
diff --git a/sys/dev/eqos/eqos_var.h b/sys/dev/eqos/eqos_var.h
new file mode 100644
index 000000000000..565bdfbb69c2
--- /dev/null
+++ b/sys/dev/eqos/eqos_var.h
@@ -0,0 +1,99 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2022 Soren Schmidt <sos@deepcore.dk>
+ * Copyright (c) 2022 Jared McNeill <jmcneill@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 AUTHOR ``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 AUTHOR 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.
+ *
+ * $Id$
+ */
+
+/*
+ * DesignWare Ethernet Quality-of-Service controller
+ */
+
+#ifndef _EQOS_VAR_H
+#define _EQOS_VAR_H
+
+#include <dev/eqos/eqos_reg.h>
+
+#define EQOS_DMA_DESC_COUNT 256
+
+#define EQOS_RES_MEM 0
+#define EQOS_RES_IRQ0 1
+#define EQOS_RES_COUNT 2
+
+#define EQOS_INTR_FLAGS (INTR_TYPE_NET | INTR_MPSAFE)
+
+struct eqos_dma_desc {
+ uint32_t tdes0;
+ uint32_t tdes1;
+ uint32_t tdes2;
+ uint32_t tdes3;
+} __packed;
+
+struct eqos_bufmap {
+ bus_dmamap_t map;
+ struct mbuf *mbuf;
+};
+
+struct eqos_ring {
+ bus_dma_tag_t desc_tag;
+ bus_dmamap_t desc_map;
+ struct eqos_dma_desc *desc_ring;
+ bus_addr_t desc_ring_paddr;
+
+ bus_dma_tag_t buf_tag;
+ struct eqos_bufmap buf_map[EQOS_DMA_DESC_COUNT];
+
+ u_int head;
+ u_int tail;
+};
+
+struct eqos_softc {
+ device_t dev;
+ struct resource *res[EQOS_RES_COUNT];
+ void *irq_handle;
+#ifdef FDT
+ struct syscon *grf;
+ clk_t clk_mac_speed;
+#endif
+ uint32_t csr_clock;
+ uint32_t csr_clock_range;
+ uint32_t hw_feature[4];
+ bool link_up;
+ int tx_watchdog;
+
+ struct ifnet *ifp;
+ device_t miibus;
+ struct mtx lock;
+ struct callout callout;
+
+ struct eqos_ring tx;
+ struct eqos_ring rx;
+};
+
+DECLARE_CLASS(eqos_driver);
+
+#endif
diff --git a/sys/dev/mii/mcommphy.c b/sys/dev/mii/mcommphy.c
new file mode 100644
index 000000000000..0de19bebce9e
--- /dev/null
+++ b/sys/dev/mii/mcommphy.c
@@ -0,0 +1,184 @@
+/*
+ * Copyright (c) 2022 Jared McNeill <jmcneill@invisible.ca>
+ * Copyright (c) 2022 Soren Schmidt <sos@deepcore.dk>
+ * 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 phy
+ */
+
+#include <sys/cdefs.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+#include <sys/errno.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+
+#include <net/if.h>
+#include <net/if_media.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+
+#include "miibus_if.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 RX_CLK_DELAY_EN 0x0001
+#define CLK_25M_SEL 0x0006
+#define TX_CLK_DELAY_SEL 0x00f0
+#define PHY_SLEEP_CONTROL1_REG 0x27
+#define PLLON_IN_SLP 0x4000
+
+
+static int
+mcommphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
+{
+
+ switch (cmd) {
+ case MII_POLLSTAT:
+ break;
+
+ case MII_MEDIACHG:
+ mii_phy_setmedia(sc);
+ break;
+
+ case MII_TICK:
+ if (mii_phy_tick(sc) == EJUSTRETURN)
+ return (0);
+ break;
+ }
+
+ /* Update the media status. */
+ PHY_STATUS(sc);
+
+ /* Callback if something changed. */
+ mii_phy_update(sc, cmd);
+
+ return (0);
+}
+
+static const struct mii_phy_funcs mcommphy_funcs = {
+ mcommphy_service,
+ ukphy_status,
+ mii_phy_reset
+};
+
+static int
+mcommphy_probe(device_t dev)
+{
+ struct mii_attach_args *ma = device_get_ivars(dev);
+
+ /*
+ * 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) {
+ device_set_desc(dev, "Motorcomm YT8511 media interface");
+ return (BUS_PROBE_DEFAULT);
+ }
+ return (ENXIO);
+}
+
+static int
+mcommphy_attach(device_t dev)
+{
+ struct mii_softc *sc = device_get_softc(dev);
+ uint16_t oldaddr, data;
+
+ mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &mcommphy_funcs, 0);
+
+ PHY_RESET(sc);
+
+ /* begin chip stuff */
+ oldaddr = PHY_READ(sc, EXT_REG_ADDR);
+
+ PHY_WRITE(sc, EXT_REG_ADDR, PHY_CLOCK_GATING_REG);
+ data = PHY_READ(sc, EXT_REG_DATA);
+ data &= ~CLK_25M_SEL;
+ data |= 0x06;
+ if (sc->mii_flags & MIIF_RX_DELAY) {
+ data |= RX_CLK_DELAY_EN;
+ } else {
+ data &= ~RX_CLK_DELAY_EN;
+ }
+ data &= ~TX_CLK_DELAY_SEL;
+ if (sc->mii_flags & MIIF_TX_DELAY) {
+ data |= 0xf0;
+ } else {
+ data |= 0x20;
+ }
+ PHY_WRITE(sc, EXT_REG_DATA, data);
+
+ PHY_WRITE(sc, EXT_REG_ADDR, PHY_SLEEP_CONTROL1_REG);
+ data = PHY_READ(sc, EXT_REG_DATA);
+ data |= PLLON_IN_SLP;
+ PHY_WRITE(sc, EXT_REG_DATA, data);
+
+ PHY_WRITE(sc, EXT_REG_ADDR, oldaddr);
+ /* end chip stuff */
+
+ sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask;
+ if (sc->mii_capabilities & BMSR_EXTSTAT)
+ sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
+ device_printf(dev, " ");
+ mii_phy_add_media(sc);
+ printf("\n");
+
+ MIIBUS_MEDIAINIT(sc->mii_dev);
+
+ return (0);
+}
+
+
+static device_method_t mcommphy_methods[] = {
+ /* device interface */
+ DEVMETHOD(device_probe, mcommphy_probe),
+ DEVMETHOD(device_attach, mcommphy_attach),
+ DEVMETHOD(device_detach, mii_phy_detach),
+ DEVMETHOD(device_shutdown, bus_generic_shutdown),
+ DEVMETHOD_END
+};
+
+static devclass_t mcommphy_devclass;
+
+static driver_t mcommphy_driver = {
+ "mcommphy",
+ mcommphy_methods,
+ sizeof(struct mii_softc)
+};
+
+DRIVER_MODULE(mcommphy, miibus, mcommphy_driver, mcommphy_devclass, 0, 0);
diff --git a/sys/dev/mii/miidevs b/sys/dev/mii/miidevs
index 1ef40a9b116d..c6e1226687bb 100644
--- a/sys/dev/mii/miidevs
+++ b/sys/dev/mii/miidevs
@@ -63,6 +63,7 @@ oui JMICRON 0x00d831 JMicron Technologies
oui LEVEL1 0x00207b Level 1
oui MARVELL 0x005043 Marvell Semiconductor
oui MICREL 0x0010a1 Micrel
+oui MOTORCOMM 0x000000 Motorcomm
oui MYSON 0x00c0b4 Myson Technology
oui NATSEMI 0x080017 National Semiconductor
oui PMCSIERRA 0x00e004 PMC-Sierra
@@ -291,6 +292,9 @@ model MICREL KSZ8081 0x0016 Micrel KSZ8081 10/100 PHY
model MICREL KSZ9021 0x0021 Micrel KSZ9021 10/100/1000 PHY
model MICREL KSZ9031 0x0022 Micrel KSZ9031 10/100/1000 PHY
+/* Motorcomm PHYs */
+model MOTORCOMM YT8511 0x010a Motorcomm YT8511 10/100/1000 PHY
+
/* Myson Technology PHYs */
model xxMYSON MTD972 0x0000 MTD972 10/100 media interface
model MYSON MTD803 0x0000 MTD803 3-in-1 media interface

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