diff options
| -rw-r--r-- | ObsoleteFiles.inc | 1 | ||||
| -rw-r--r-- | share/man/man4/man4.powerpc/Makefile | 1 | ||||
| -rw-r--r-- | share/man/man4/man4.powerpc/bm.4 | 93 | ||||
| -rw-r--r-- | sys/conf/files.powerpc | 1 | ||||
| -rw-r--r-- | sys/dev/bm/if_bm.c | 1300 | ||||
| -rw-r--r-- | sys/dev/bm/if_bmreg.h | 172 | ||||
| -rw-r--r-- | sys/dev/bm/if_bmvar.h | 115 | ||||
| -rw-r--r-- | sys/modules/Makefile | 2 | ||||
| -rw-r--r-- | sys/modules/bm/Makefile | 9 | ||||
| -rw-r--r-- | sys/powerpc/conf/GENERIC | 1 | ||||
| -rw-r--r-- | sys/powerpc/conf/NOTES | 1 |
11 files changed, 1 insertions, 1695 deletions
diff --git a/ObsoleteFiles.inc b/ObsoleteFiles.inc index 505d823daf26..d4f3cbef408f 100644 --- a/ObsoleteFiles.inc +++ b/ObsoleteFiles.inc @@ -39,6 +39,7 @@ # done # 20190518: Remove obsolete 10 and 10/100 ethernet drivers. +OLD_FILES+=usr/share/man/man4/bm.4 # 20190513: libcap_sysctl interface change OLD_FILES+=lib/casper/libcap_sysctl.1 # 20190509: tests/sys/opencrypto requires the net/py-dpkt package. diff --git a/share/man/man4/man4.powerpc/Makefile b/share/man/man4/man4.powerpc/Makefile index 3b38dd3f6416..f43b25aeba44 100644 --- a/share/man/man4/man4.powerpc/Makefile +++ b/share/man/man4/man4.powerpc/Makefile @@ -6,7 +6,6 @@ MAN= adb.4 \ akbd.4 \ abtn.4 \ ams.4 \ - bm.4 \ cuda.4 \ dtsec.4 \ llan.4 \ diff --git a/share/man/man4/man4.powerpc/bm.4 b/share/man/man4/man4.powerpc/bm.4 deleted file mode 100644 index e00c9de116f1..000000000000 --- a/share/man/man4/man4.powerpc/bm.4 +++ /dev/null @@ -1,93 +0,0 @@ -.\"- -.\" Copyright (c) 2008 Nathan Whitehorn <nwhitehorn@FreeBSD.org> -.\" 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. -.\" -.\" $FreeBSD$ -.\" -.Dd October 24, 2018 -.Dt BM 4 -.Os -.Sh NAME -.Nm bm -.Nd BMAC Ethernet device driver -.Sh SYNOPSIS -To compile this driver into the kernel, -place the following lines in your -kernel configuration file: -.Bd -ragged -offset indent -.Cd "device miibus" -.Cd "device bm" -.Ed -.Pp -Alternatively, to load the driver as a -module at boot time, place the following line in -.Xr loader.conf 5 : -.Bd -literal -offset indent -if_bm_load="YES" -.Ed -.Sh DEPRECATION NOTICE -The -.Nm -driver is not present in -.Fx 13.0 -and later. -See https://github.com/freebsd/fcp/blob/master/fcp-0101.md for more -information. -.Sh DESCRIPTION -The -.Nm -driver provides support for the BMac ethernet hardware found mostly in -G3-based Apple hardware. -It is a close relative of the Sun HME controller found in contemporary -Sun workstations. -.Sh HARDWARE -Chips supported by the -.Nm -driver include: -.Pp -.Bl -bullet -compact -.It -Apple BMAC Onboard Ethernet -.It -Apple BMAC+ Onboard Ethernet -.El -.Sh SEE ALSO -.Xr altq 4 , -.Xr hme 4 , -.Xr miibus 4 , -.Xr netintro 4 , -.Xr ifconfig 8 -.Sh HISTORY -The -.Nm -device driver appeared in -.Fx 7.1 . -.Sh AUTHORS -.An -nosplit -The -.Nm -driver was written by -.An Nathan Whitehorn Aq Mt nwhitehorn@FreeBSD.org -based on work by -.An Peter Grehan Aq Mt grehan@FreeBSD.org . diff --git a/sys/conf/files.powerpc b/sys/conf/files.powerpc index 992355be54e7..f7c3151bdbce 100644 --- a/sys/conf/files.powerpc +++ b/sys/conf/files.powerpc @@ -22,7 +22,6 @@ cddl/dev/dtrace/powerpc/dtrace_subr.c optional dtrace compile-with "${DTRACE_C} cddl/dev/fbt/powerpc/fbt_isa.c optional dtrace_fbt | dtraceall compile-with "${FBT_C}" crypto/blowfish/bf_enc.c optional crypto | ipsec | ipsec_support crypto/des/des_enc.c optional crypto | ipsec | ipsec_support | netsmb -dev/bm/if_bm.c optional bm powermac dev/adb/adb_bus.c optional adb dev/adb/adb_kbd.c optional adb dev/adb/adb_mouse.c optional adb diff --git a/sys/dev/bm/if_bm.c b/sys/dev/bm/if_bm.c deleted file mode 100644 index fc267e098f73..000000000000 --- a/sys/dev/bm/if_bm.c +++ /dev/null @@ -1,1300 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-3-Clause - * - * Copyright 2008 Nathan Whitehorn. All rights reserved. - * Copyright 2003 by Peter Grehan. All rights reserved. - * Copyright (C) 1998, 1999, 2000 Tsubai Masanari. 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. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * 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. - * - * From: - * NetBSD: if_bm.c,v 1.9.2.1 2000/11/01 15:02:49 tv Exp - */ - -/* - * BMAC/BMAC+ Macio cell 10/100 ethernet driver - * The low-cost, low-feature Apple variant of the Sun HME - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/sockio.h> -#include <sys/endian.h> -#include <sys/mbuf.h> -#include <sys/module.h> -#include <sys/malloc.h> -#include <sys/kernel.h> -#include <sys/socket.h> - -#include <net/bpf.h> -#include <net/if.h> -#include <net/if_var.h> -#include <net/if_arp.h> -#include <net/ethernet.h> -#include <net/if_dl.h> -#include <net/if_media.h> -#include <net/if_types.h> - -#include <machine/pio.h> -#include <machine/bus.h> -#include <machine/resource.h> -#include <sys/bus.h> -#include <sys/rman.h> - -#include <dev/mii/mii.h> -#include <dev/mii/mii_bitbang.h> -#include <dev/mii/miivar.h> - -#include <dev/ofw/ofw_bus.h> -#include <dev/ofw/openfirm.h> -#include <machine/dbdma.h> - -MODULE_DEPEND(bm, ether, 1, 1, 1); -MODULE_DEPEND(bm, miibus, 1, 1, 1); - -/* "controller miibus0" required. See GENERIC if you get errors here. */ -#include "miibus_if.h" - -#include "if_bmreg.h" -#include "if_bmvar.h" - -static int bm_probe (device_t); -static int bm_attach (device_t); -static int bm_detach (device_t); -static int bm_shutdown (device_t); - -static void bm_start (struct ifnet *); -static void bm_start_locked (struct ifnet *); -static int bm_encap (struct bm_softc *sc, struct mbuf **m_head); -static int bm_ioctl (struct ifnet *, u_long, caddr_t); -static void bm_init (void *); -static void bm_init_locked (struct bm_softc *sc); -static void bm_chip_setup (struct bm_softc *sc); -static void bm_stop (struct bm_softc *sc); -static void bm_setladrf (struct bm_softc *sc); -static void bm_dummypacket (struct bm_softc *sc); -static void bm_txintr (void *xsc); -static void bm_rxintr (void *xsc); - -static int bm_add_rxbuf (struct bm_softc *sc, int i); -static int bm_add_rxbuf_dma (struct bm_softc *sc, int i); -static void bm_enable_interrupts (struct bm_softc *sc); -static void bm_disable_interrupts (struct bm_softc *sc); -static void bm_tick (void *xsc); - -static int bm_ifmedia_upd (struct ifnet *); -static void bm_ifmedia_sts (struct ifnet *, struct ifmediareq *); - -static int bm_miibus_readreg (device_t, int, int); -static int bm_miibus_writereg (device_t, int, int, int); -static void bm_miibus_statchg (device_t); - -/* - * MII bit-bang glue - */ -static uint32_t bm_mii_bitbang_read(device_t); -static void bm_mii_bitbang_write(device_t, uint32_t); - -static const struct mii_bitbang_ops bm_mii_bitbang_ops = { - bm_mii_bitbang_read, - bm_mii_bitbang_write, - { - BM_MII_DATAOUT, /* MII_BIT_MDO */ - BM_MII_DATAIN, /* MII_BIT_MDI */ - BM_MII_CLK, /* MII_BIT_MDC */ - BM_MII_OENABLE, /* MII_BIT_DIR_HOST_PHY */ - 0, /* MII_BIT_DIR_PHY_HOST */ - } -}; - -static device_method_t bm_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, bm_probe), - DEVMETHOD(device_attach, bm_attach), - DEVMETHOD(device_detach, bm_detach), - DEVMETHOD(device_shutdown, bm_shutdown), - - /* MII interface */ - DEVMETHOD(miibus_readreg, bm_miibus_readreg), - DEVMETHOD(miibus_writereg, bm_miibus_writereg), - DEVMETHOD(miibus_statchg, bm_miibus_statchg), - - DEVMETHOD_END -}; - -static driver_t bm_macio_driver = { - "bm", - bm_methods, - sizeof(struct bm_softc) -}; - -static devclass_t bm_devclass; - -DRIVER_MODULE(bm, macio, bm_macio_driver, bm_devclass, 0, 0); -DRIVER_MODULE(miibus, bm, miibus_driver, miibus_devclass, 0, 0); - -/* - * MII internal routines - */ - -/* - * Write the MII serial port for the MII bit-bang module. - */ -static void -bm_mii_bitbang_write(device_t dev, uint32_t val) -{ - struct bm_softc *sc; - - sc = device_get_softc(dev); - - CSR_WRITE_2(sc, BM_MII_CSR, val); - CSR_BARRIER(sc, BM_MII_CSR, 2, - BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); -} - -/* - * Read the MII serial port for the MII bit-bang module. - */ -static uint32_t -bm_mii_bitbang_read(device_t dev) -{ - struct bm_softc *sc; - uint32_t reg; - - sc = device_get_softc(dev); - - reg = CSR_READ_2(sc, BM_MII_CSR); - CSR_BARRIER(sc, BM_MII_CSR, 2, - BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); - - return (reg); -} - -/* - * MII bus i/f - */ -static int -bm_miibus_readreg(device_t dev, int phy, int reg) -{ - - return (mii_bitbang_readreg(dev, &bm_mii_bitbang_ops, phy, reg)); -} - -static int -bm_miibus_writereg(device_t dev, int phy, int reg, int data) -{ - - mii_bitbang_readreg(dev, &bm_mii_bitbang_ops, phy, reg); - - return (0); -} - -static void -bm_miibus_statchg(device_t dev) -{ - struct bm_softc *sc = device_get_softc(dev); - uint16_t reg; - int new_duplex; - - reg = CSR_READ_2(sc, BM_TX_CONFIG); - new_duplex = IFM_OPTIONS(sc->sc_mii->mii_media_active) & IFM_FDX; - - if (new_duplex != sc->sc_duplex) { - /* Turn off TX MAC while we fiddle its settings */ - reg &= ~BM_ENABLE; - - CSR_WRITE_2(sc, BM_TX_CONFIG, reg); - while (CSR_READ_2(sc, BM_TX_CONFIG) & BM_ENABLE) - DELAY(10); - } - - if (new_duplex && !sc->sc_duplex) - reg |= BM_TX_IGNORECOLL | BM_TX_FULLDPX; - else if (!new_duplex && sc->sc_duplex) - reg &= ~(BM_TX_IGNORECOLL | BM_TX_FULLDPX); - - if (new_duplex != sc->sc_duplex) { - /* Turn TX MAC back on */ - reg |= BM_ENABLE; - - CSR_WRITE_2(sc, BM_TX_CONFIG, reg); - sc->sc_duplex = new_duplex; - } -} - -/* - * ifmedia/mii callbacks - */ -static int -bm_ifmedia_upd(struct ifnet *ifp) -{ - struct bm_softc *sc = ifp->if_softc; - int error; - - BM_LOCK(sc); - error = mii_mediachg(sc->sc_mii); - BM_UNLOCK(sc); - return (error); -} - -static void -bm_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifm) -{ - struct bm_softc *sc = ifp->if_softc; - - BM_LOCK(sc); - mii_pollstat(sc->sc_mii); - ifm->ifm_active = sc->sc_mii->mii_media_active; - ifm->ifm_status = sc->sc_mii->mii_media_status; - BM_UNLOCK(sc); -} - -/* - * Macio probe/attach - */ -static int -bm_probe(device_t dev) -{ - const char *dname = ofw_bus_get_name(dev); - const char *dcompat = ofw_bus_get_compat(dev); - - /* - * BMAC+ cells have a name of "ethernet" and - * a compatible property of "bmac+" - */ - if (strcmp(dname, "bmac") == 0) { - device_set_desc(dev, "Apple BMAC Ethernet Adaptor"); - } else if (strcmp(dcompat, "bmac+") == 0) { - device_set_desc(dev, "Apple BMAC+ Ethernet Adaptor"); - } else - return (ENXIO); - - return (0); -} - -static int -bm_attach(device_t dev) -{ - phandle_t node; - u_char *eaddr; - struct ifnet *ifp; - int error, cellid, i; - struct bm_txsoft *txs; - struct bm_softc *sc = device_get_softc(dev); - - ifp = sc->sc_ifp = if_alloc(IFT_ETHER); - ifp->if_softc = sc; - sc->sc_dev = dev; - sc->sc_duplex = ~IFM_FDX; - - error = 0; - mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, - MTX_DEF); - callout_init_mtx(&sc->sc_tick_ch, &sc->sc_mtx, 0); - - /* Check for an improved version of Paddington */ - sc->sc_streaming = 0; - cellid = -1; - node = ofw_bus_get_node(dev); - - OF_getprop(node, "cell-id", &cellid, sizeof(cellid)); - if (cellid >= 0xc4) - sc->sc_streaming = 1; - - sc->sc_memrid = 0; - sc->sc_memr = bus_alloc_resource_any(dev, SYS_RES_MEMORY, - &sc->sc_memrid, RF_ACTIVE); - if (sc->sc_memr == NULL) { - device_printf(dev, "Could not alloc chip registers!\n"); - return (ENXIO); - } - - sc->sc_txdmarid = BM_TXDMA_REGISTERS; - sc->sc_rxdmarid = BM_RXDMA_REGISTERS; - - sc->sc_txdmar = bus_alloc_resource_any(dev, SYS_RES_MEMORY, - &sc->sc_txdmarid, RF_ACTIVE); - sc->sc_rxdmar = bus_alloc_resource_any(dev, SYS_RES_MEMORY, - &sc->sc_rxdmarid, RF_ACTIVE); - - if (sc->sc_txdmar == NULL || sc->sc_rxdmar == NULL) { - device_printf(dev, "Could not map DBDMA registers!\n"); - return (ENXIO); - } - - error = dbdma_allocate_channel(sc->sc_txdmar, 0, bus_get_dma_tag(dev), - BM_MAX_DMA_COMMANDS, &sc->sc_txdma); - error += dbdma_allocate_channel(sc->sc_rxdmar, 0, bus_get_dma_tag(dev), - BM_MAX_DMA_COMMANDS, &sc->sc_rxdma); - - if (error) { - device_printf(dev,"Could not allocate DBDMA channel!\n"); - return (ENXIO); - } - - /* alloc DMA tags and buffers */ - error = bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0, - BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, - BUS_SPACE_MAXSIZE_32BIT, 0, BUS_SPACE_MAXSIZE_32BIT, 0, NULL, - NULL, &sc->sc_pdma_tag); - - if (error) { - device_printf(dev,"Could not allocate DMA tag!\n"); - return (ENXIO); - } - - error = bus_dma_tag_create(sc->sc_pdma_tag, 1, 0, BUS_SPACE_MAXADDR, - BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, - BUS_DMA_ALLOCNOW, NULL, NULL, &sc->sc_rdma_tag); - - if (error) { - device_printf(dev,"Could not allocate RX DMA channel!\n"); - return (ENXIO); - } - - error = bus_dma_tag_create(sc->sc_pdma_tag, 1, 0, BUS_SPACE_MAXADDR, - BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES * BM_NTXSEGS, BM_NTXSEGS, - MCLBYTES, BUS_DMA_ALLOCNOW, NULL, NULL, &sc->sc_tdma_tag); - - if (error) { - device_printf(dev,"Could not allocate TX DMA tag!\n"); - return (ENXIO); - } - - /* init transmit descriptors */ - STAILQ_INIT(&sc->sc_txfreeq); - STAILQ_INIT(&sc->sc_txdirtyq); - - /* create TX DMA maps */ - error = ENOMEM; - for (i = 0; i < BM_MAX_TX_PACKETS; i++) { - txs = &sc->sc_txsoft[i]; - txs->txs_mbuf = NULL; - error = bus_dmamap_create(sc->sc_tdma_tag, 0, &txs->txs_dmamap); - if (error) { - device_printf(sc->sc_dev, - "unable to create TX DMA map %d, error = %d\n", - i, error); - } - STAILQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); - } - - /* Create the receive buffer DMA maps. */ - for (i = 0; i < BM_MAX_RX_PACKETS; i++) { - error = bus_dmamap_create(sc->sc_rdma_tag, 0, - &sc->sc_rxsoft[i].rxs_dmamap); - if (error) { - device_printf(sc->sc_dev, - "unable to create RX DMA map %d, error = %d\n", - i, error); - } - sc->sc_rxsoft[i].rxs_mbuf = NULL; - } - - /* alloc interrupt */ - bm_disable_interrupts(sc); - - sc->sc_txdmairqid = BM_TXDMA_INTERRUPT; - sc->sc_txdmairq = bus_alloc_resource_any(dev, SYS_RES_IRQ, - &sc->sc_txdmairqid, RF_ACTIVE); - - if (error) { - device_printf(dev,"Could not allocate TX interrupt!\n"); - return (ENXIO); - } - - bus_setup_intr(dev,sc->sc_txdmairq, - INTR_TYPE_MISC | INTR_MPSAFE | INTR_ENTROPY, NULL, bm_txintr, sc, - &sc->sc_txihtx); - - sc->sc_rxdmairqid = BM_RXDMA_INTERRUPT; - sc->sc_rxdmairq = bus_alloc_resource_any(dev, SYS_RES_IRQ, - &sc->sc_rxdmairqid, RF_ACTIVE); - - if (error) { - device_printf(dev,"Could not allocate RX interrupt!\n"); - return (ENXIO); - } - - bus_setup_intr(dev,sc->sc_rxdmairq, - INTR_TYPE_MISC | INTR_MPSAFE | INTR_ENTROPY, NULL, bm_rxintr, sc, - &sc->sc_rxih); - - /* - * Get the ethernet address from OpenFirmware - */ - eaddr = sc->sc_enaddr; - OF_getprop(node, "local-mac-address", eaddr, ETHER_ADDR_LEN); - - /* - * Setup MII - * On Apple BMAC controllers, we end up in a weird state of - * partially-completed autonegotiation on boot. So we force - * autonegotation to try again. - */ - error = mii_attach(dev, &sc->sc_miibus, ifp, bm_ifmedia_upd, - bm_ifmedia_sts, BMSR_DEFCAPMASK, MII_PHY_ANY, MII_OFFSET_ANY, - MIIF_FORCEANEG); - if (error != 0) { - device_printf(dev, "attaching PHYs failed\n"); - return (error); - } - - /* reset the adapter */ - bm_chip_setup(sc); - - sc->sc_mii = device_get_softc(sc->sc_miibus); - - if_initname(ifp, device_get_name(sc->sc_dev), - device_get_unit(sc->sc_dev)); - ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; - ifp->if_start = bm_start; - ifp->if_ioctl = bm_ioctl; - ifp->if_init = bm_init; - IFQ_SET_MAXLEN(&ifp->if_snd, BM_MAX_TX_PACKETS); - ifp->if_snd.ifq_drv_maxlen = BM_MAX_TX_PACKETS; - IFQ_SET_READY(&ifp->if_snd); - - /* Attach the interface. */ - ether_ifattach(ifp, sc->sc_enaddr); - ifp->if_hwassist = 0; - - gone_by_fcp101_dev(dev); - - return (0); -} - -static int -bm_detach(device_t dev) -{ - struct bm_softc *sc = device_get_softc(dev); - - BM_LOCK(sc); - bm_stop(sc); - BM_UNLOCK(sc); - - callout_drain(&sc->sc_tick_ch); - ether_ifdetach(sc->sc_ifp); - bus_teardown_intr(dev, sc->sc_txdmairq, sc->sc_txihtx); - bus_teardown_intr(dev, sc->sc_rxdmairq, sc->sc_rxih); - - dbdma_free_channel(sc->sc_txdma); - dbdma_free_channel(sc->sc_rxdma); - - bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_memrid, sc->sc_memr); - bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_txdmarid, - sc->sc_txdmar); - bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_rxdmarid, - sc->sc_rxdmar); - - bus_release_resource(dev, SYS_RES_IRQ, sc->sc_txdmairqid, - sc->sc_txdmairq); - bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rxdmairqid, - sc->sc_rxdmairq); - - mtx_destroy(&sc->sc_mtx); - if_free(sc->sc_ifp); - - return (0); -} - -static int -bm_shutdown(device_t dev) -{ - struct bm_softc *sc; - - sc = device_get_softc(dev); - - BM_LOCK(sc); - bm_stop(sc); - BM_UNLOCK(sc); - - return (0); -} - -static void -bm_dummypacket(struct bm_softc *sc) -{ - struct mbuf *m; - struct ifnet *ifp; - - ifp = sc->sc_ifp; - - MGETHDR(m, M_NOWAIT, MT_DATA); - - if (m == NULL) - return; - - bcopy(sc->sc_enaddr, - mtod(m, struct ether_header *)->ether_dhost, ETHER_ADDR_LEN); - bcopy(sc->sc_enaddr, - mtod(m, struct ether_header *)->ether_shost, ETHER_ADDR_LEN); - mtod(m, struct ether_header *)->ether_type = htons(3); - mtod(m, unsigned char *)[14] = 0; - mtod(m, unsigned char *)[15] = 0; - mtod(m, unsigned char *)[16] = 0xE3; - m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; - IF_ENQUEUE(&ifp->if_snd, m); - bm_start_locked(ifp); -} - -static void -bm_rxintr(void *xsc) -{ - struct bm_softc *sc = xsc; - struct ifnet *ifp = sc->sc_ifp; - struct mbuf *m; - int i, prev_stop, new_stop; - uint16_t status; - - BM_LOCK(sc); - - status = dbdma_get_chan_status(sc->sc_rxdma); - if (status & DBDMA_STATUS_DEAD) { - dbdma_reset(sc->sc_rxdma); - BM_UNLOCK(sc); - return; - } - if (!(status & DBDMA_STATUS_RUN)) { - device_printf(sc->sc_dev,"Bad RX Interrupt!\n"); - BM_UNLOCK(sc); - return; - } - - prev_stop = sc->next_rxdma_slot - 1; - if (prev_stop < 0) - prev_stop = sc->rxdma_loop_slot - 1; - - if (prev_stop < 0) { - BM_UNLOCK(sc); - return; - } - - new_stop = -1; - dbdma_sync_commands(sc->sc_rxdma, BUS_DMASYNC_POSTREAD); - - for (i = sc->next_rxdma_slot; i < BM_MAX_RX_PACKETS; i++) { - if (i == sc->rxdma_loop_slot) - i = 0; - - if (i == prev_stop) - break; - - status = dbdma_get_cmd_status(sc->sc_rxdma, i); - - if (status == 0) - break; - - m = sc->sc_rxsoft[i].rxs_mbuf; - - if (bm_add_rxbuf(sc, i)) { - if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); - m = NULL; - continue; - } - - if (m == NULL) - continue; - - if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); - m->m_pkthdr.rcvif = ifp; - m->m_len -= (dbdma_get_residuals(sc->sc_rxdma, i) + 2); - m->m_pkthdr.len = m->m_len; - - /* Send up the stack */ - BM_UNLOCK(sc); - (*ifp->if_input)(ifp, m); - BM_LOCK(sc); - - /* Clear all fields on this command */ - bm_add_rxbuf_dma(sc, i); - - new_stop = i; - } - - /* Change the last packet we processed to the ring buffer terminator, - * and restore a receive buffer to the old terminator */ - if (new_stop >= 0) { - dbdma_insert_stop(sc->sc_rxdma, new_stop); - bm_add_rxbuf_dma(sc, prev_stop); - if (i < sc->rxdma_loop_slot) - sc->next_rxdma_slot = i; - else - sc->next_rxdma_slot = 0; - } - dbdma_sync_commands(sc->sc_rxdma, BUS_DMASYNC_PREWRITE); - - dbdma_wake(sc->sc_rxdma); - - BM_UNLOCK(sc); -} - -static void -bm_txintr(void *xsc) -{ - struct bm_softc *sc = xsc; - struct ifnet *ifp = sc->sc_ifp; - struct bm_txsoft *txs; - int progress = 0; - - BM_LOCK(sc); - - while ((txs = STAILQ_FIRST(&sc->sc_txdirtyq)) != NULL) { - if (!dbdma_get_cmd_status(sc->sc_txdma, txs->txs_lastdesc)) - break; - - STAILQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); - bus_dmamap_unload(sc->sc_tdma_tag, txs->txs_dmamap); - - if (txs->txs_mbuf != NULL) { - m_freem(txs->txs_mbuf); - txs->txs_mbuf = NULL; - } - - /* Set the first used TXDMA slot to the location of the - * STOP/NOP command associated with this packet. */ - - sc->first_used_txdma_slot = txs->txs_stopdesc; - - STAILQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); - - if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); - progress = 1; - } - - if (progress) { - /* - * We freed some descriptors, so reset IFF_DRV_OACTIVE - * and restart. - */ - ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - sc->sc_wdog_timer = STAILQ_EMPTY(&sc->sc_txdirtyq) ? 0 : 5; - - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) && - !IFQ_DRV_IS_EMPTY(&ifp->if_snd)) - bm_start_locked(ifp); - } - - BM_UNLOCK(sc); -} - -static void -bm_start(struct ifnet *ifp) -{ - struct bm_softc *sc = ifp->if_softc; - - BM_LOCK(sc); - bm_start_locked(ifp); - BM_UNLOCK(sc); -} - -static void -bm_start_locked(struct ifnet *ifp) -{ - struct bm_softc *sc = ifp->if_softc; - struct mbuf *mb_head; - int prev_stop; - int txqueued = 0; - - /* - * We lay out our DBDMA program in the following manner: - * OUTPUT_MORE - * ... - * OUTPUT_LAST (+ Interrupt) - * STOP - * - * To extend the channel, we append a new program, - * then replace STOP with NOP and wake the channel. - * If we stalled on the STOP already, the program proceeds, - * if not it will sail through the NOP. - */ - - while (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) { - IFQ_DRV_DEQUEUE(&ifp->if_snd, mb_head); - - if (mb_head == NULL) - break; - - prev_stop = sc->next_txdma_slot - 1; - - if (bm_encap(sc, &mb_head)) { - /* Put the packet back and stop */ - ifp->if_drv_flags |= IFF_DRV_OACTIVE; - IFQ_DRV_PREPEND(&ifp->if_snd, mb_head); - break; - } - - dbdma_insert_nop(sc->sc_txdma, prev_stop); - - txqueued = 1; - - BPF_MTAP(ifp, mb_head); - } - - dbdma_sync_commands(sc->sc_txdma, BUS_DMASYNC_PREWRITE); - - if (txqueued) { - dbdma_wake(sc->sc_txdma); - sc->sc_wdog_timer = 5; - } -} - -static int -bm_encap(struct bm_softc *sc, struct mbuf **m_head) -{ - bus_dma_segment_t segs[BM_NTXSEGS]; - struct bm_txsoft *txs; - struct mbuf *m; - int nsegs = BM_NTXSEGS; - int error = 0; - uint8_t branch_type; - int i; - - /* Limit the command size to the number of free DBDMA slots */ - - if (sc->next_txdma_slot >= sc->first_used_txdma_slot) - nsegs = BM_MAX_DMA_COMMANDS - 2 - sc->next_txdma_slot + - sc->first_used_txdma_slot; /* -2 for branch and indexing */ - else - nsegs = sc->first_used_txdma_slot - sc->next_txdma_slot; - - /* Remove one slot for the STOP/NOP terminator */ - nsegs--; - - if (nsegs > BM_NTXSEGS) - nsegs = BM_NTXSEGS; - - /* Get a work queue entry. */ - if ((txs = STAILQ_FIRST(&sc->sc_txfreeq)) == NULL) { - /* Ran out of descriptors. */ - return (ENOBUFS); - } - - error = bus_dmamap_load_mbuf_sg(sc->sc_tdma_tag, txs->txs_dmamap, - *m_head, segs, &nsegs, BUS_DMA_NOWAIT); - - if (error == EFBIG) { - m = m_collapse(*m_head, M_NOWAIT, nsegs); - if (m == NULL) { - m_freem(*m_head); - *m_head = NULL; - return (ENOBUFS); - } - *m_head = m; - - error = bus_dmamap_load_mbuf_sg(sc->sc_tdma_tag, - txs->txs_dmamap, *m_head, segs, &nsegs, BUS_DMA_NOWAIT); - if (error != 0) { - m_freem(*m_head); - *m_head = NULL; - return (error); - } - } else if (error != 0) - return (error); - - if (nsegs == 0) { - m_freem(*m_head); - *m_head = NULL; - return (EIO); - } - - txs->txs_ndescs = nsegs; - txs->txs_firstdesc = sc->next_txdma_slot; - - for (i = 0; i < nsegs; i++) { - /* Loop back to the beginning if this is our last slot */ - if (sc->next_txdma_slot == (BM_MAX_DMA_COMMANDS - 1)) - branch_type = DBDMA_ALWAYS; - else - branch_type = DBDMA_NEVER; - - if (i+1 == nsegs) - txs->txs_lastdesc = sc->next_txdma_slot; - - dbdma_insert_command(sc->sc_txdma, sc->next_txdma_slot++, - (i + 1 < nsegs) ? DBDMA_OUTPUT_MORE : DBDMA_OUTPUT_LAST, - 0, segs[i].ds_addr, segs[i].ds_len, - (i + 1 < nsegs) ? DBDMA_NEVER : DBDMA_ALWAYS, - branch_type, DBDMA_NEVER, 0); - - if (branch_type == DBDMA_ALWAYS) - sc->next_txdma_slot = 0; - } - - /* We have a corner case where the STOP command is the last slot, - * but you can't branch in STOP commands. So add a NOP branch here - * and the STOP in slot 0. */ - - if (sc->next_txdma_slot == (BM_MAX_DMA_COMMANDS - 1)) { - dbdma_insert_branch(sc->sc_txdma, sc->next_txdma_slot, 0); - sc->next_txdma_slot = 0; - } - - txs->txs_stopdesc = sc->next_txdma_slot; - dbdma_insert_stop(sc->sc_txdma, sc->next_txdma_slot++); - - STAILQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); - STAILQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); - txs->txs_mbuf = *m_head; - - return (0); -} - -static int -bm_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) -{ - struct bm_softc *sc = ifp->if_softc; - struct ifreq *ifr = (struct ifreq *)data; - int error; - - error = 0; - - switch(cmd) { - case SIOCSIFFLAGS: - BM_LOCK(sc); - if ((ifp->if_flags & IFF_UP) != 0) { - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0 && - ((ifp->if_flags ^ sc->sc_ifpflags) & - (IFF_ALLMULTI | IFF_PROMISC)) != 0) - bm_setladrf(sc); - else - bm_init_locked(sc); - } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) - bm_stop(sc); - sc->sc_ifpflags = ifp->if_flags; - BM_UNLOCK(sc); - break; - case SIOCADDMULTI: - case SIOCDELMULTI: - BM_LOCK(sc); - bm_setladrf(sc); - BM_UNLOCK(sc); - case SIOCGIFMEDIA: - case SIOCSIFMEDIA: - error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii->mii_media, cmd); - break; - default: - error = ether_ioctl(ifp, cmd, data); - break; - } - - return (error); -} - -static void -bm_setladrf(struct bm_softc *sc) -{ - struct ifnet *ifp = sc->sc_ifp; - struct ifmultiaddr *inm; - uint16_t hash[4]; - uint16_t reg; - uint32_t crc; - - reg = BM_CRC_ENABLE | BM_REJECT_OWN_PKTS; - - /* Turn off RX MAC while we fiddle its settings */ - CSR_WRITE_2(sc, BM_RX_CONFIG, reg); - while (CSR_READ_2(sc, BM_RX_CONFIG) & BM_ENABLE) - DELAY(10); - - if ((ifp->if_flags & IFF_PROMISC) != 0) { - reg |= BM_PROMISC; - - CSR_WRITE_2(sc, BM_RX_CONFIG, reg); - - DELAY(15); - - reg = CSR_READ_2(sc, BM_RX_CONFIG); - reg |= BM_ENABLE; - CSR_WRITE_2(sc, BM_RX_CONFIG, reg); - return; - } - - if ((ifp->if_flags & IFF_ALLMULTI) != 0) { - hash[3] = hash[2] = hash[1] = hash[0] = 0xffff; - } else { - /* Clear the hash table. */ - memset(hash, 0, sizeof(hash)); - - if_maddr_rlock(ifp); - CK_STAILQ_FOREACH(inm, &ifp->if_multiaddrs, ifma_link) { - if (inm->ifma_addr->sa_family != AF_LINK) - continue; - crc = ether_crc32_le(LLADDR((struct sockaddr_dl *) - inm->ifma_addr), ETHER_ADDR_LEN); - - /* We just want the 6 most significant bits */ - crc >>= 26; - - /* Set the corresponding bit in the filter. */ - hash[crc >> 4] |= 1 << (crc & 0xf); - } - if_maddr_runlock(ifp); - } - - /* Write out new hash table */ - CSR_WRITE_2(sc, BM_HASHTAB0, hash[0]); - CSR_WRITE_2(sc, BM_HASHTAB1, hash[1]); - CSR_WRITE_2(sc, BM_HASHTAB2, hash[2]); - CSR_WRITE_2(sc, BM_HASHTAB3, hash[3]); - - /* And turn the RX MAC back on, this time with the hash bit set */ - reg |= BM_HASH_FILTER_ENABLE; - CSR_WRITE_2(sc, BM_RX_CONFIG, reg); - - while (!(CSR_READ_2(sc, BM_RX_CONFIG) & BM_HASH_FILTER_ENABLE)) - DELAY(10); - - reg = CSR_READ_2(sc, BM_RX_CONFIG); - reg |= BM_ENABLE; - CSR_WRITE_2(sc, BM_RX_CONFIG, reg); -} - -static void -bm_init(void *xsc) -{ - struct bm_softc *sc = xsc; - - BM_LOCK(sc); - bm_init_locked(sc); - BM_UNLOCK(sc); -} - -static void -bm_chip_setup(struct bm_softc *sc) -{ - uint16_t reg; - uint16_t *eaddr_sect; - - eaddr_sect = (uint16_t *)(sc->sc_enaddr); - dbdma_stop(sc->sc_txdma); - dbdma_stop(sc->sc_rxdma); - - /* Reset chip */ - CSR_WRITE_2(sc, BM_RX_RESET, 0x0000); - CSR_WRITE_2(sc, BM_TX_RESET, 0x0001); - do { - DELAY(10); - reg = CSR_READ_2(sc, BM_TX_RESET); - } while (reg & 0x0001); - - /* Some random junk. OS X uses the system time. We use - * the low 16 bits of the MAC address. */ - CSR_WRITE_2(sc, BM_TX_RANDSEED, eaddr_sect[2]); - - /* Enable transmit */ - reg = CSR_READ_2(sc, BM_TX_IFC); - reg |= BM_ENABLE; - CSR_WRITE_2(sc, BM_TX_IFC, reg); - - CSR_READ_2(sc, BM_TX_PEAKCNT); -} - -static void -bm_stop(struct bm_softc *sc) -{ - struct bm_txsoft *txs; - uint16_t reg; - - /* Disable TX and RX MACs */ - reg = CSR_READ_2(sc, BM_TX_CONFIG); - reg &= ~BM_ENABLE; - CSR_WRITE_2(sc, BM_TX_CONFIG, reg); - - reg = CSR_READ_2(sc, BM_RX_CONFIG); - reg &= ~BM_ENABLE; - CSR_WRITE_2(sc, BM_RX_CONFIG, reg); - - DELAY(100); - - /* Stop DMA engine */ - dbdma_stop(sc->sc_rxdma); - dbdma_stop(sc->sc_txdma); - sc->next_rxdma_slot = 0; - sc->rxdma_loop_slot = 0; - - /* Disable interrupts */ - bm_disable_interrupts(sc); - - /* Don't worry about pending transmits anymore */ - while ((txs = STAILQ_FIRST(&sc->sc_txdirtyq)) != NULL) { - STAILQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); - if (txs->txs_ndescs != 0) { - bus_dmamap_sync(sc->sc_tdma_tag, txs->txs_dmamap, - BUS_DMASYNC_POSTWRITE); - bus_dmamap_unload(sc->sc_tdma_tag, txs->txs_dmamap); - if (txs->txs_mbuf != NULL) { - m_freem(txs->txs_mbuf); - txs->txs_mbuf = NULL; - } - } - STAILQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); - } - - /* And we're down */ - sc->sc_ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); - sc->sc_wdog_timer = 0; - callout_stop(&sc->sc_tick_ch); -} - -static void -bm_init_locked(struct bm_softc *sc) -{ - uint16_t reg; - uint16_t *eaddr_sect; - struct bm_rxsoft *rxs; - int i; - - eaddr_sect = (uint16_t *)(sc->sc_enaddr); - - /* Zero RX slot info and stop DMA */ - dbdma_stop(sc->sc_rxdma); - dbdma_stop(sc->sc_txdma); - sc->next_rxdma_slot = 0; - sc->rxdma_loop_slot = 0; - - /* Initialize TX/RX DBDMA programs */ - dbdma_insert_stop(sc->sc_rxdma, 0); - dbdma_insert_stop(sc->sc_txdma, 0); - dbdma_set_current_cmd(sc->sc_rxdma, 0); - dbdma_set_current_cmd(sc->sc_txdma, 0); - - sc->next_rxdma_slot = 0; - sc->next_txdma_slot = 1; - sc->first_used_txdma_slot = 0; - - for (i = 0; i < BM_MAX_RX_PACKETS; i++) { - rxs = &sc->sc_rxsoft[i]; - rxs->dbdma_slot = i; - - if (rxs->rxs_mbuf == NULL) { - bm_add_rxbuf(sc, i); - - if (rxs->rxs_mbuf == NULL) { - /* If we can't add anymore, mark the problem */ - rxs->dbdma_slot = -1; - break; - } - } - - if (i > 0) - bm_add_rxbuf_dma(sc, i); - } - - /* - * Now terminate the RX ring buffer, and follow with the loop to - * the beginning. - */ - dbdma_insert_stop(sc->sc_rxdma, i - 1); - dbdma_insert_branch(sc->sc_rxdma, i, 0); - sc->rxdma_loop_slot = i; - - /* Now add in the first element of the RX DMA chain */ - bm_add_rxbuf_dma(sc, 0); - - dbdma_sync_commands(sc->sc_rxdma, BUS_DMASYNC_PREWRITE); - dbdma_sync_commands(sc->sc_txdma, BUS_DMASYNC_PREWRITE); - - /* Zero collision counters */ - CSR_WRITE_2(sc, BM_TX_NCCNT, 0); - CSR_WRITE_2(sc, BM_TX_FCCNT, 0); - CSR_WRITE_2(sc, BM_TX_EXCNT, 0); - CSR_WRITE_2(sc, BM_TX_LTCNT, 0); - - /* Zero receive counters */ - CSR_WRITE_2(sc, BM_RX_FRCNT, 0); - CSR_WRITE_2(sc, BM_RX_LECNT, 0); - CSR_WRITE_2(sc, BM_RX_AECNT, 0); - CSR_WRITE_2(sc, BM_RX_FECNT, 0); - CSR_WRITE_2(sc, BM_RXCV, 0); - - /* Prime transmit */ - CSR_WRITE_2(sc, BM_TX_THRESH, 0xff); - - CSR_WRITE_2(sc, BM_TXFIFO_CSR, 0); - CSR_WRITE_2(sc, BM_TXFIFO_CSR, 0x0001); - - /* Prime receive */ - CSR_WRITE_2(sc, BM_RXFIFO_CSR, 0); - CSR_WRITE_2(sc, BM_RXFIFO_CSR, 0x0001); - - /* Clear status reg */ - CSR_READ_2(sc, BM_STATUS); - - /* Zero hash filters */ - CSR_WRITE_2(sc, BM_HASHTAB0, 0); - CSR_WRITE_2(sc, BM_HASHTAB1, 0); - CSR_WRITE_2(sc, BM_HASHTAB2, 0); - CSR_WRITE_2(sc, BM_HASHTAB3, 0); - - /* Write MAC address to chip */ - CSR_WRITE_2(sc, BM_MACADDR0, eaddr_sect[0]); - CSR_WRITE_2(sc, BM_MACADDR1, eaddr_sect[1]); - CSR_WRITE_2(sc, BM_MACADDR2, eaddr_sect[2]); - - /* Final receive engine setup */ - reg = BM_CRC_ENABLE | BM_REJECT_OWN_PKTS | BM_HASH_FILTER_ENABLE; - CSR_WRITE_2(sc, BM_RX_CONFIG, reg); - - /* Now turn it all on! */ - dbdma_reset(sc->sc_rxdma); - dbdma_reset(sc->sc_txdma); - - /* Enable RX and TX MACs. Setting the address filter has - * the side effect of enabling the RX MAC. */ - bm_setladrf(sc); - - reg = CSR_READ_2(sc, BM_TX_CONFIG); - reg |= BM_ENABLE; - CSR_WRITE_2(sc, BM_TX_CONFIG, reg); - - /* - * Enable interrupts, unwedge the controller with a dummy packet, - * and nudge the DMA queue. - */ - bm_enable_interrupts(sc); - bm_dummypacket(sc); - dbdma_wake(sc->sc_rxdma); /* Nudge RXDMA */ - - sc->sc_ifp->if_drv_flags |= IFF_DRV_RUNNING; - sc->sc_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - sc->sc_ifpflags = sc->sc_ifp->if_flags; - - /* Resync PHY and MAC states */ - sc->sc_mii = device_get_softc(sc->sc_miibus); - sc->sc_duplex = ~IFM_FDX; - mii_mediachg(sc->sc_mii); - - /* Start the one second timer. */ - sc->sc_wdog_timer = 0; - callout_reset(&sc->sc_tick_ch, hz, bm_tick, sc); -} - -static void -bm_tick(void *arg) -{ - struct bm_softc *sc = arg; - - /* Read error counters */ - if_inc_counter(sc->sc_ifp, IFCOUNTER_COLLISIONS, - CSR_READ_2(sc, BM_TX_NCCNT) + CSR_READ_2(sc, BM_TX_FCCNT) + - CSR_READ_2(sc, BM_TX_EXCNT) + CSR_READ_2(sc, BM_TX_LTCNT)); - - if_inc_counter(sc->sc_ifp, IFCOUNTER_IERRORS, - CSR_READ_2(sc, BM_RX_LECNT) + CSR_READ_2(sc, BM_RX_AECNT) + - CSR_READ_2(sc, BM_RX_FECNT)); - - /* Zero collision counters */ - CSR_WRITE_2(sc, BM_TX_NCCNT, 0); - CSR_WRITE_2(sc, BM_TX_FCCNT, 0); - CSR_WRITE_2(sc, BM_TX_EXCNT, 0); - CSR_WRITE_2(sc, BM_TX_LTCNT, 0); - - /* Zero receive counters */ - CSR_WRITE_2(sc, BM_RX_FRCNT, 0); - CSR_WRITE_2(sc, BM_RX_LECNT, 0); - CSR_WRITE_2(sc, BM_RX_AECNT, 0); - CSR_WRITE_2(sc, BM_RX_FECNT, 0); - CSR_WRITE_2(sc, BM_RXCV, 0); - - /* Check for link changes and run watchdog */ - mii_tick(sc->sc_mii); - bm_miibus_statchg(sc->sc_dev); - - if (sc->sc_wdog_timer == 0 || --sc->sc_wdog_timer != 0) { - callout_reset(&sc->sc_tick_ch, hz, bm_tick, sc); - return; - } - - /* Problems */ - device_printf(sc->sc_dev, "device timeout\n"); - - bm_init_locked(sc); -} - -static int -bm_add_rxbuf(struct bm_softc *sc, int idx) -{ - struct bm_rxsoft *rxs = &sc->sc_rxsoft[idx]; - struct mbuf *m; - bus_dma_segment_t segs[1]; - int error, nsegs; - - m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); - if (m == NULL) - return (ENOBUFS); - m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; - - if (rxs->rxs_mbuf != NULL) { - bus_dmamap_sync(sc->sc_rdma_tag, rxs->rxs_dmamap, - BUS_DMASYNC_POSTREAD); - bus_dmamap_unload(sc->sc_rdma_tag, rxs->rxs_dmamap); - } - - error = bus_dmamap_load_mbuf_sg(sc->sc_rdma_tag, rxs->rxs_dmamap, m, - segs, &nsegs, BUS_DMA_NOWAIT); - if (error != 0) { - device_printf(sc->sc_dev, - "cannot load RS DMA map %d, error = %d\n", idx, error); - m_freem(m); - return (error); - } - /* If nsegs is wrong then the stack is corrupt. */ - KASSERT(nsegs == 1, - ("%s: too many DMA segments (%d)", __func__, nsegs)); - rxs->rxs_mbuf = m; - rxs->segment = segs[0]; - - bus_dmamap_sync(sc->sc_rdma_tag, rxs->rxs_dmamap, BUS_DMASYNC_PREREAD); - - return (0); -} - -static int -bm_add_rxbuf_dma(struct bm_softc *sc, int idx) -{ - struct bm_rxsoft *rxs = &sc->sc_rxsoft[idx]; - - dbdma_insert_command(sc->sc_rxdma, idx, DBDMA_INPUT_LAST, 0, - rxs->segment.ds_addr, rxs->segment.ds_len, DBDMA_ALWAYS, - DBDMA_NEVER, DBDMA_NEVER, 0); - - return (0); -} - -static void -bm_enable_interrupts(struct bm_softc *sc) -{ - CSR_WRITE_2(sc, BM_INTR_DISABLE, - (sc->sc_streaming) ? BM_INTR_NONE : BM_INTR_NORMAL); -} - -static void -bm_disable_interrupts(struct bm_softc *sc) -{ - CSR_WRITE_2(sc, BM_INTR_DISABLE, BM_INTR_NONE); -} diff --git a/sys/dev/bm/if_bmreg.h b/sys/dev/bm/if_bmreg.h deleted file mode 100644 index 665c651bdf2b..000000000000 --- a/sys/dev/bm/if_bmreg.h +++ /dev/null @@ -1,172 +0,0 @@ -/*- - * Copyright 1991-1998 by Open Software Foundation, Inc. - * All Rights Reserved - * - * Permission to use, copy, modify, and distribute this software and - * its documentation for any purpose and without fee is hereby granted, - * provided that the above copyright notice appears in all copies and - * that both the copyright notice and this permission notice appear in - * supporting documentation. - * - * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE. - * - * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, - * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION - * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -/*- - * SPDX-License-Identifier: BSD-3-Clause - * - * Copyright 2003 by Peter Grehan. 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. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * 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. - * - * $FreeBSD$ - */ - -/* - * BMAC resource indices - */ - -#define BM_MAIN_REGISTERS 0 -#define BM_TXDMA_REGISTERS 1 -#define BM_RXDMA_REGISTERS 2 - -#define BM_MAIN_INTERRUPT 0 -#define BM_TXDMA_INTERRUPT 1 -#define BM_RXDMA_INTERRUPT 2 - -/* - * BMAC/BMAC+ register offsets - */ - -#define BM_TX_IFC 0x0000 /* interface control */ -#define BM_TXFIFO_CSR 0x0100 /* TX FIFO control/status */ -#define BM_TX_THRESH 0x0110 /* TX threshold */ -#define BM_RXFIFO_CSR 0x0120 /* receive FIFO control/status */ -#define BM_MEMADD 0x0130 /* unused */ -#define BM_MEMDATA_HI 0x0140 /* unused */ -#define BM_MEMDATA_LO 0x0150 /* unused */ -#define BM_XCVR 0x0160 /* transceiver control register */ -#define BM_CHIPID 0x0170 /* chip ID */ -#define BM_MII_CSR 0x0180 /* MII control register */ -#define BM_SROM_CSR 0x0190 /* unused, OFW provides enet addr */ -#define BM_TX_PTR 0x01A0 /* unused */ -#define BM_RX_PTR 0x01B0 /* unused */ -#define BM_STATUS 0x01C0 /* status register */ -#define BM_INTR_DISABLE 0x0200 /* interrupt control register */ -#define BM_TX_RESET 0x0420 /* TX reset */ -#define BM_TX_CONFIG 0x0430 /* TX config */ -#define BM_IPG1 0x0440 /* inter-packet gap hi */ -#define BM_IPG2 0x0450 /* inter-packet gap lo */ -#define BM_TX_ALIMIT 0x0460 /* TX attempt limit */ -#define BM_TX_STIME 0x0470 /* TX slot time */ -#define BM_TX_PASIZE 0x0480 /* TX preamble size */ -#define BM_TX_PAPAT 0x0490 /* TX preamble pattern */ -#define BM_TX_SFD 0x04A0 /* TX start-frame delimiter */ -#define BM_JAMSIZE 0x04B0 /* collision jam size */ -#define BM_TX_MAXLEN 0x04C0 /* max TX packet length */ -#define BM_TX_MINLEN 0x04D0 /* min TX packet length */ -#define BM_TX_PEAKCNT 0x04E0 /* TX peak attempts count */ -#define BM_TX_DCNT 0x04F0 /* TX defer timer */ -#define BM_TX_NCCNT 0x0500 /* TX normal collision cnt */ -#define BM_TX_FCCNT 0x0510 /* TX first collision cnt */ -#define BM_TX_EXCNT 0x0520 /* TX excess collision cnt */ -#define BM_TX_LTCNT 0x0530 /* TX late collision cnt */ -#define BM_TX_RANDSEED 0x0540 /* TX random seed */ -#define BM_TXSM 0x0550 /* TX state machine */ -#define BM_RX_RESET 0x0620 /* RX reset */ -#define BM_RX_CONFIG 0x0630 /* RX config */ -#define BM_RX_MAXLEN 0x0640 /* max RX packet length */ -#define BM_RX_MINLEN 0x0650 /* min RX packet length */ -#define BM_MACADDR2 0x0660 /* MAC address */ -#define BM_MACADDR1 0x0670 -#define BM_MACADDR0 0x0680 -#define BM_RX_FRCNT 0x0690 /* RX frame count */ -#define BM_RX_LECNT 0x06A0 /* RX too-long frame count */ -#define BM_RX_AECNT 0x06B0 /* RX misaligned frame count */ -#define BM_RX_FECNT 0x06C0 /* RX CRC error count */ -#define BM_RXSM 0x06D0 /* RX state machine */ -#define BM_RXCV 0x06E0 /* RX code violations */ -#define BM_HASHTAB3 0x0700 /* Address hash table */ -#define BM_HASHTAB2 0x0710 -#define BM_HASHTAB1 0x0720 -#define BM_HASHTAB0 0x0730 -#define BM_AFILTER2 0x0740 /* Address filter */ -#define BM_AFILTER1 0x0750 -#define BM_AFILTER0 0x0760 -#define BM_AFILTER_MASK 0x0770 - -/* - * MII control register bits - */ -#define BM_MII_CLK 0x0001 /* MDIO clock */ -#define BM_MII_DATAOUT 0x0002 /* MDIO data out */ -#define BM_MII_OENABLE 0x0004 /* MDIO output enable */ -#define BM_MII_DATAIN 0x0008 /* MDIO data in */ - -/* - * Various flags - */ - -#define BM_ENABLE 0x0001 - -#define BM_CRC_ENABLE 0x0100 -#define BM_HASH_FILTER_ENABLE 0x0200 -#define BM_REJECT_OWN_PKTS 0x0800 -#define BM_PROMISC 0x0040 - -#define BM_TX_FULLDPX 0x0200 -#define BM_TX_IGNORECOLL 0x0040 - -#define BM_INTR_PKT_RX 0x0001 -#define BM_INTR_PKT_TX 0x0100 -#define BM_INTR_TX_UNDERRUN 0x0200 - -#define BM_INTR_NORMAL ~(BM_INTR_PKT_TX | BM_INTR_TX_UNDERRUN) -#define BM_INTR_NONE 0xffff - -/* - * register space access macros - */ -#define CSR_WRITE_4(sc, reg, val) \ - bus_write_4(sc->sc_memr, reg, val) -#define CSR_WRITE_2(sc, reg, val) \ - bus_write_2(sc->sc_memr, reg, val) -#define CSR_WRITE_1(sc, reg, val) \ - bus_write_1(sc->sc_memr, reg, val) - -#define CSR_READ_4(sc, reg) \ - bus_read_4(sc->sc_memr, reg) -#define CSR_READ_2(sc, reg) \ - bus_read_2(sc->sc_memr, reg) -#define CSR_READ_1(sc, reg) \ - bus_read_1(sc->sc_memr, reg) - -#define CSR_BARRIER(sc, reg, length, flags) \ - bus_barrier(sc->sc_memr, reg, length, flags) diff --git a/sys/dev/bm/if_bmvar.h b/sys/dev/bm/if_bmvar.h deleted file mode 100644 index c7d09334a782..000000000000 --- a/sys/dev/bm/if_bmvar.h +++ /dev/null @@ -1,115 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2008 Nathan Whitehorn - * Copyright (c) 2003 Peter Grehan - * 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. - * - * $FreeBSD$ - */ - -/* - * Number of transmit/receive DBDMA descriptors. - * XXX allow override with a tuneable ? - */ -#define BM_MAX_DMA_COMMANDS 256 -#define BM_NTXSEGS 16 - -#define BM_MAX_TX_PACKETS 100 -#define BM_MAX_RX_PACKETS 100 - -/* - * Mutex macros - */ -#define BM_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) -#define BM_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) - -/* - * software state for transmit job mbufs (may be elements of mbuf chains) - */ -struct bm_txsoft { - struct mbuf *txs_mbuf; /* head of our mbuf chain */ - bus_dmamap_t txs_dmamap; /* our DMA map */ - int txs_firstdesc; /* first descriptor in packet */ - int txs_lastdesc; /* last descriptor in packet */ - int txs_stopdesc; /* the location of the closing STOP */ - - int txs_ndescs; /* number of descriptors */ - STAILQ_ENTRY(bm_txsoft) txs_q; -}; - -STAILQ_HEAD(bm_txsq, bm_txsoft); - -/* - * software state for receive jobs - */ -struct bm_rxsoft { - struct mbuf *rxs_mbuf; /* head of our mbuf chain */ - bus_dmamap_t rxs_dmamap; /* our DMA map */ - - int dbdma_slot; - bus_dma_segment_t segment; -}; - -struct bm_softc { - struct ifnet *sc_ifp; - struct mtx sc_mtx; - u_char sc_enaddr[ETHER_ADDR_LEN]; - - int sc_streaming; - int sc_ifpflags; - int sc_duplex; - int sc_wdog_timer; - - struct callout sc_tick_ch; - - device_t sc_dev; /* back ptr to dev */ - struct resource *sc_memr; /* macio bus mem resource */ - int sc_memrid; - device_t sc_miibus; - - struct mii_data *sc_mii; - - struct resource *sc_txdmar, *sc_rxdmar; - int sc_txdmarid, sc_rxdmarid; - - struct resource *sc_txdmairq, *sc_rxdmairq; - void *sc_txihtx, *sc_rxih; - int sc_txdmairqid, sc_rxdmairqid; - - bus_dma_tag_t sc_pdma_tag; - - bus_dma_tag_t sc_tdma_tag; - struct bm_txsoft sc_txsoft[BM_MAX_TX_PACKETS]; - int first_used_txdma_slot, next_txdma_slot; - - struct bm_txsq sc_txfreeq; - struct bm_txsq sc_txdirtyq; - - bus_dma_tag_t sc_rdma_tag; - struct bm_rxsoft sc_rxsoft[BM_MAX_TX_PACKETS]; - int next_rxdma_slot, rxdma_loop_slot; - - dbdma_channel_t *sc_txdma, *sc_rxdma; -}; diff --git a/sys/modules/Makefile b/sys/modules/Makefile index 4cad32c34b9d..b545b66d40fd 100644 --- a/sys/modules/Makefile +++ b/sys/modules/Makefile @@ -68,7 +68,6 @@ SUBDIR= \ ${_bios} \ ${_bktr} \ ${_blake2} \ - ${_bm} \ bnxt \ bridgestp \ bwi \ @@ -766,7 +765,6 @@ _cpsw= cpsw .if ${MACHINE_CPUARCH} == "powerpc" _agp= agp _an= an -_bm= bm _cardbus= cardbus _cbb= cbb _cfi= cfi diff --git a/sys/modules/bm/Makefile b/sys/modules/bm/Makefile deleted file mode 100644 index 65ac2ed5dd45..000000000000 --- a/sys/modules/bm/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# $FreeBSD$ - -.PATH: ${SRCTOP}/sys/dev/bm - -KMOD= if_bm -SRCS= if_bm.c -SRCS+= bus_if.h device_if.h miibus_if.h ofw_bus_if.h - -.include <bsd.kmod.mk> diff --git a/sys/powerpc/conf/GENERIC b/sys/powerpc/conf/GENERIC index 9e8294d394d0..dc19d7a85598 100644 --- a/sys/powerpc/conf/GENERIC +++ b/sys/powerpc/conf/GENERIC @@ -155,7 +155,6 @@ device fwe # Ethernet over FireWire (non-standard!) # PCI Ethernet NICs that use the common MII bus controller code. device miibus # MII bus support device bge # Broadcom BCM570xx Gigabit Ethernet -device bm # Apple BMAC Ethernet device gem # Sun GEM/Sun ERI/Apple GMAC device dc # DEC/Intel 21143 and various workalikes device fxp # Intel EtherExpress PRO/100B (82557, 82558) diff --git a/sys/powerpc/conf/NOTES b/sys/powerpc/conf/NOTES index 30cfe91152b1..a30742ed7eee 100644 --- a/sys/powerpc/conf/NOTES +++ b/sys/powerpc/conf/NOTES @@ -54,7 +54,6 @@ device cpufreq # Standard busses device agp -device bm # Apple BMAC (Big Mac Ethernet) device glc # Sony Playstation 3 Ethernet device kiic # Apple Keywest I2C Controller device ofwd # Open Firmware disks |