| if_npe.c (207554) | if_npe.c (213893) |
|---|---|
| 1/*- 2 * Copyright (c) 2006-2008 Sam Leffler. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 9 unchanged lines hidden (view full) --- 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2006-2008 Sam Leffler. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 9 unchanged lines hidden (view full) --- 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#include <sys/cdefs.h> |
| 26__FBSDID("$FreeBSD: head/sys/arm/xscale/ixp425/if_npe.c 207554 2010-05-03 07:32:50Z sobomax $"); | 26__FBSDID("$FreeBSD: head/sys/arm/xscale/ixp425/if_npe.c 213893 2010-10-15 14:52:11Z marius $"); |
| 27 28/* 29 * Intel XScale NPE Ethernet driver. 30 * 31 * This driver handles the two ports present on the IXP425. 32 * Packet processing is done by the Network Processing Engines 33 * (NPE's) that work together with a MAC and PHY. The MAC 34 * is also mapped to the XScale cpu; the PHY is accessed via --- 97 unchanged lines hidden (view full) --- 132 struct npedma txdma; 133 struct npebuf *tx_free; /* list of free tx buffers */ 134 struct npedma rxdma; 135 bus_addr_t buf_phys; /* XXX for returning a value */ 136 int rx_qid; /* rx qid */ 137 int rx_freeqid; /* rx free buffers qid */ 138 int tx_qid; /* tx qid */ 139 int tx_doneqid; /* tx completed qid */ | 27 28/* 29 * Intel XScale NPE Ethernet driver. 30 * 31 * This driver handles the two ports present on the IXP425. 32 * Packet processing is done by the Network Processing Engines 33 * (NPE's) that work together with a MAC and PHY. The MAC 34 * is also mapped to the XScale cpu; the PHY is accessed via --- 97 unchanged lines hidden (view full) --- 132 struct npedma txdma; 133 struct npebuf *tx_free; /* list of free tx buffers */ 134 struct npedma rxdma; 135 bus_addr_t buf_phys; /* XXX for returning a value */ 136 int rx_qid; /* rx qid */ 137 int rx_freeqid; /* rx free buffers qid */ 138 int tx_qid; /* tx qid */ 139 int tx_doneqid; /* tx completed qid */ |
| 140 int sc_phy; /* PHY id */ | |
| 141 struct ifmib_iso_8802_3 mibdata; 142 bus_dma_tag_t sc_stats_tag; /* bus dma tag for stats block */ 143 struct npestats *sc_stats; 144 bus_dmamap_t sc_stats_map; 145 bus_addr_t sc_stats_phys; /* phys addr of sc_stats */ 146 struct npestats sc_totals; /* accumulated sc_stats */ 147}; 148 --- 514 unchanged lines hidden (view full) --- 663 /* configure MAC to generate MDC clock */ 664 WR4(sc, NPE_MAC_CORE_CNTRL, NPE_CORE_MDC_EN); 665} 666 667static int 668npe_activate(device_t dev) 669{ 670 struct npe_softc *sc = device_get_softc(dev); | 140 struct ifmib_iso_8802_3 mibdata; 141 bus_dma_tag_t sc_stats_tag; /* bus dma tag for stats block */ 142 struct npestats *sc_stats; 143 bus_dmamap_t sc_stats_map; 144 bus_addr_t sc_stats_phys; /* phys addr of sc_stats */ 145 struct npestats sc_totals; /* accumulated sc_stats */ 146}; 147 --- 514 unchanged lines hidden (view full) --- 662 /* configure MAC to generate MDC clock */ 663 WR4(sc, NPE_MAC_CORE_CNTRL, NPE_CORE_MDC_EN); 664} 665 666static int 667npe_activate(device_t dev) 668{ 669 struct npe_softc *sc = device_get_softc(dev); |
| 671 int error, i, macbase, miibase; | 670 int error, i, macbase, miibase, phy; |
| 672 673 /* 674 * Setup NEP ID, MAC, and MII bindings. We allow override 675 * via hints to handle unexpected board configs. 676 */ 677 if (!override_npeid(dev, "npeid", &sc->sc_npeid)) 678 sc->sc_npeid = unit2npeid(device_get_unit(dev)); 679 sc->sc_npe = ixpnpe_attach(dev, sc->sc_npeid); --- 8 unchanged lines hidden (view full) --- 688 device_printf(sc->sc_dev, "MAC at 0x%x\n", macbase); 689 if (bus_space_map(sc->sc_iot, macbase, IXP425_REG_SIZE, 0, &sc->sc_ioh)) { 690 device_printf(dev, "cannot map mac registers 0x%x:0x%x\n", 691 macbase, IXP425_REG_SIZE); 692 return ENOMEM; 693 } 694 695 /* PHY */ | 671 672 /* 673 * Setup NEP ID, MAC, and MII bindings. We allow override 674 * via hints to handle unexpected board configs. 675 */ 676 if (!override_npeid(dev, "npeid", &sc->sc_npeid)) 677 sc->sc_npeid = unit2npeid(device_get_unit(dev)); 678 sc->sc_npe = ixpnpe_attach(dev, sc->sc_npeid); --- 8 unchanged lines hidden (view full) --- 687 device_printf(sc->sc_dev, "MAC at 0x%x\n", macbase); 688 if (bus_space_map(sc->sc_iot, macbase, IXP425_REG_SIZE, 0, &sc->sc_ioh)) { 689 device_printf(dev, "cannot map mac registers 0x%x:0x%x\n", 690 macbase, IXP425_REG_SIZE); 691 return ENOMEM; 692 } 693 694 /* PHY */ |
| 696 if (!override_unit(dev, "phy", &sc->sc_phy, 0, MII_NPHY-1)) 697 sc->sc_phy = npeconfig[sc->sc_npeid].phy; | 695 if (!override_unit(dev, "phy", &phy, 0, MII_NPHY - 1)) 696 phy = npeconfig[sc->sc_npeid].phy; |
| 698 if (!override_addr(dev, "mii", &miibase)) 699 miibase = npeconfig[sc->sc_npeid].miibase; 700 device_printf(sc->sc_dev, "MII at 0x%x\n", miibase); 701 if (miibase != macbase) { 702 /* 703 * PHY is mapped through a different MAC, setup an 704 * additional mapping for frobbing the PHY registers. 705 */ --- 10 unchanged lines hidden (view full) --- 716 * Load NPE firmware and start it running. 717 */ 718 error = ixpnpe_init(sc->sc_npe); 719 if (error != 0) { 720 device_printf(dev, "cannot init NPE (error %d)\n", error); 721 return error; 722 } 723 | 697 if (!override_addr(dev, "mii", &miibase)) 698 miibase = npeconfig[sc->sc_npeid].miibase; 699 device_printf(sc->sc_dev, "MII at 0x%x\n", miibase); 700 if (miibase != macbase) { 701 /* 702 * PHY is mapped through a different MAC, setup an 703 * additional mapping for frobbing the PHY registers. 704 */ --- 10 unchanged lines hidden (view full) --- 715 * Load NPE firmware and start it running. 716 */ 717 error = ixpnpe_init(sc->sc_npe); 718 if (error != 0) { 719 device_printf(dev, "cannot init NPE (error %d)\n", error); 720 return error; 721 } 722 |
| 724 /* probe for PHY */ 725 if (mii_phy_probe(dev, &sc->sc_mii, npe_ifmedia_update, npe_ifmedia_status)) { 726 device_printf(dev, "cannot find PHY %d.\n", sc->sc_phy); 727 return ENXIO; | 723 /* attach PHY */ 724 error = mii_attach(dev, &sc->sc_mii, sc->sc_ifp, npe_ifmedia_update, 725 npe_ifmedia_status, BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0); 726 if (error != 0) { 727 device_printf(dev, "attaching PHYs failed\n"); 728 return error; |
| 728 } 729 730 error = npe_dma_setup(sc, &sc->txdma, "tx", npe_txbuf, NPE_MAXSEG); 731 if (error != 0) 732 return error; 733 error = npe_dma_setup(sc, &sc->rxdma, "rx", npe_rxbuf, 1); 734 if (error != 0) 735 return error; --- 959 unchanged lines hidden (view full) --- 1695} 1696 1697static int 1698npe_miibus_readreg(device_t dev, int phy, int reg) 1699{ 1700 struct npe_softc *sc = device_get_softc(dev); 1701 uint32_t v; 1702 | 729 } 730 731 error = npe_dma_setup(sc, &sc->txdma, "tx", npe_txbuf, NPE_MAXSEG); 732 if (error != 0) 733 return error; 734 error = npe_dma_setup(sc, &sc->rxdma, "rx", npe_rxbuf, 1); 735 if (error != 0) 736 return error; --- 959 unchanged lines hidden (view full) --- 1696} 1697 1698static int 1699npe_miibus_readreg(device_t dev, int phy, int reg) 1700{ 1701 struct npe_softc *sc = device_get_softc(dev); 1702 uint32_t v; 1703 |
| 1703 if (phy != sc->sc_phy) /* XXX no auto-detect */ 1704 return 0xffff; | |
| 1705 v = (phy << NPE_MII_ADDR_SHL) | (reg << NPE_MII_REG_SHL) | NPE_MII_GO; 1706 npe_mii_mdio_write(sc, NPE_MAC_MDIO_CMD, v); 1707 if (npe_mii_mdio_wait(sc)) 1708 v = npe_mii_mdio_read(sc, NPE_MAC_MDIO_STS); 1709 else 1710 v = 0xffff | NPE_MII_READ_FAIL; 1711 return (v & NPE_MII_READ_FAIL) ? 0xffff : (v & 0xffff); 1712} 1713 1714static int 1715npe_miibus_writereg(device_t dev, int phy, int reg, int data) 1716{ 1717 struct npe_softc *sc = device_get_softc(dev); 1718 uint32_t v; 1719 | 1704 v = (phy << NPE_MII_ADDR_SHL) | (reg << NPE_MII_REG_SHL) | NPE_MII_GO; 1705 npe_mii_mdio_write(sc, NPE_MAC_MDIO_CMD, v); 1706 if (npe_mii_mdio_wait(sc)) 1707 v = npe_mii_mdio_read(sc, NPE_MAC_MDIO_STS); 1708 else 1709 v = 0xffff | NPE_MII_READ_FAIL; 1710 return (v & NPE_MII_READ_FAIL) ? 0xffff : (v & 0xffff); 1711} 1712 1713static int 1714npe_miibus_writereg(device_t dev, int phy, int reg, int data) 1715{ 1716 struct npe_softc *sc = device_get_softc(dev); 1717 uint32_t v; 1718 |
| 1720 if (phy != sc->sc_phy) /* XXX */ 1721 return (0); | |
| 1722 v = (phy << NPE_MII_ADDR_SHL) | (reg << NPE_MII_REG_SHL) 1723 | data | NPE_MII_WRITE 1724 | NPE_MII_GO; 1725 npe_mii_mdio_write(sc, NPE_MAC_MDIO_CMD, v); 1726 /* XXX complain about timeout */ 1727 (void) npe_mii_mdio_wait(sc); 1728 return (0); 1729} --- 50 unchanged lines hidden --- | 1719 v = (phy << NPE_MII_ADDR_SHL) | (reg << NPE_MII_REG_SHL) 1720 | data | NPE_MII_WRITE 1721 | NPE_MII_GO; 1722 npe_mii_mdio_write(sc, NPE_MAC_MDIO_CMD, v); 1723 /* XXX complain about timeout */ 1724 (void) npe_mii_mdio_wait(sc); 1725 return (0); 1726} --- 50 unchanged lines hidden --- |