/*- * Copyright (c) 1994, 1995, 1996 Matt Thomas (matt@3am-software.com) * 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. The name of the author may not be used to endorse or promote products * derived from this software withough 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. * * $Id: if_de.c,v 1.48 1996/06/14 05:25:32 davidg Exp $ * */ /* * DEC DC21040 PCI Ethernet Controller * * Written by Matt Thomas * BPF support code stolen directly from if_ec.c * * This driver supports the DEC DE435 or any other PCI * board which support DC21040, DC21041, or DC21140 (mostly). */ #include #include #include #include #include #include #include #include #include #include /* only for declaration of wakeup() used by vm.h */ #if defined(__FreeBSD__) #include #include #elif defined(__bsdi__) || defined(__NetBSD__) #include #endif #include #include #include #include #include "bpfilter.h" #if NBPFILTER > 0 #include #include #endif #ifdef INET #include #include #include #include #include #endif #ifdef NS #include #include #endif #include #include #include #if defined(__FreeBSD__) #include #include #if NPCI > 0 #include #include #endif #endif /* __FreeBSD__ */ #if defined(__bsdi__) #include #include #include #include #include #include #if _BSDI_VERSION < 199510 #include #else #define NEISA 0 #endif #if NEISA > 0 && _BSDI_VERSION >= 199401 #include #define TULIP_EISA #endif #endif /* __bsdi__ */ #if defined(__NetBSD__) #include #if defined(__alpha__) #include #endif #include #include #include #endif /* __NetBSD__ */ /* * Intel CPUs should use I/O mapped access. */ #if defined(__i386__) || defined(TULIP_EISA) #define TULIP_IOMAPPED #endif #if 0 /* * This turns on all sort of debugging stuff and make the * driver much larger. */ #define TULIP_DEBUG #endif /* * This module supports * the DEC DC21040 PCI Ethernet Controller. * the DEC DC21041 PCI Ethernet Controller. * the DEC DC21140 PCI Fast Ethernet Controller. */ #ifdef TULIP_IOMAPPED #define TULIP_EISA_CSRSIZE 16 #define TULIP_EISA_CSROFFSET 0 #define TULIP_PCI_CSRSIZE 8 #define TULIP_PCI_CSROFFSET 0 #if defined(__NetBSD__) typedef bus_io_size_t tulip_csrptr_t; #define TULIP_CSR_READ(sc, csr) \ bus_io_read_4((sc)->tulip_bc, (sc)->tulip_ioh, (sc)->tulip_csrs.csr) #define TULIP_CSR_WRITE(sc, csr, val) \ bus_io_write_4((sc)->tulip_bc, (sc)->tulip_ioh, (sc)->tulip_csrs.csr, (val)) #define TULIP_CSR_READBYTE(sc, csr) \ bus_io_read_1((sc)->tulip_bc, (sc)->tulip_ioh, (sc)->tulip_csrs.csr) #define TULIP_CSR_WRITEBYTE(sc, csr, val) \ bus_io_write_1((sc)->tulip_bc, (sc)->tulip_ioh, (sc)->tulip_csrs.csr, (val)) #else typedef tulip_uint16_t tulip_csrptr_t; #define TULIP_CSR_READ(sc, csr) (inl((sc)->tulip_csrs.csr)) #define TULIP_CSR_WRITE(sc, csr, val) outl((sc)->tulip_csrs.csr, val) #define TULIP_CSR_READBYTE(sc, csr) (inb((sc)->tulip_csrs.csr)) #define TULIP_CSR_WRITEBYTE(sc, csr, val) outb((sc)->tulip_csrs.csr, val) #endif /* __NetBSD__ */ #else /* TULIP_IOMAPPED */ #define TULIP_PCI_CSRSIZE 8 #define TULIP_PCI_CSROFFSET 0 #if defined(__NetBSD__) typedef bus_mem_size_t tulip_csrptr_t; #define TULIP_CSR_READ(sc, csr) \ bus_mem_read_4((sc)->tulip_bc, (sc)->tulip_memh, (sc)->tulip_csrs.csr) #define TULIP_CSR_WRITE(sc, csr, val) \ bus_mem_write_4((sc)->tulip_bc, (sc)->tulip_memh, (sc)->tulip_csrs.csr, \ (val)) #else typedef volatile tulip_uint32_t *tulip_csrptr_t; /* * macros to read and write CSRs. Note that the "0 +" in * READ_CSR is to prevent the macro from being an lvalue * and WRITE_CSR shouldn't be assigned from. */ #define TULIP_CSR_READ(sc, csr) (0 + *(sc)->tulip_csrs.csr) #define TULIP_CSR_WRITE(sc, csr, val) ((void)(*(sc)->tulip_csrs.csr = (val))) #endif /* __NetBSD__ */ #endif /* TULIP_IOMAPPED */ /* * This structure contains "pointers" for the registers on * the various 21x4x chips. CSR0 through CSR8 are common * to all chips. After that, it gets messy... */ typedef struct { tulip_csrptr_t csr_busmode; /* CSR0 */ tulip_csrptr_t csr_txpoll; /* CSR1 */ tulip_csrptr_t csr_rxpoll; /* CSR2 */ tulip_csrptr_t csr_rxlist; /* CSR3 */ tulip_csrptr_t csr_txlist; /* CSR4 */ tulip_csrptr_t csr_status; /* CSR5 */ tulip_csrptr_t csr_command; /* CSR6 */ tulip_csrptr_t csr_intr; /* CSR7 */ tulip_csrptr_t csr_missed_frames; /* CSR8 */ /* DC21040 specific registers */ tulip_csrptr_t csr_enetrom; /* CSR9 */ tulip_csrptr_t csr_reserved; /* CSR10 */ tulip_csrptr_t csr_full_duplex; /* CSR11 */ /* DC21040/DC21041 common registers */ tulip_csrptr_t csr_sia_status; /* CSR12 */ tulip_csrptr_t csr_sia_connectivity; /* CSR13 */ tulip_csrptr_t csr_sia_tx_rx; /* CSR14 */ tulip_csrptr_t csr_sia_general; /* CSR15 */ /* DC21140/DC21041 common registers */ tulip_csrptr_t csr_srom_mii; /* CSR9 */ tulip_csrptr_t csr_gp_timer; /* CSR11 */ /* DC21140 specific registers */ tulip_csrptr_t csr_gp; /* CSR12 */ tulip_csrptr_t csr_watchdog; /* CSR15 */ /* DC21041 specific registers */ tulip_csrptr_t csr_bootrom; /* CSR10 */ } tulip_regfile_t; /* * While 21x4x allows chaining of its descriptors, this driver * doesn't take advantage of it. We keep the descriptors in a * traditional FIFO ring. */ typedef struct { tulip_desc_t *ri_first; /* first entry in ring */ tulip_desc_t *ri_last; /* one after last entry */ tulip_desc_t *ri_nextin; /* next to processed by host */ tulip_desc_t *ri_nextout; /* next to processed by adapter */ int ri_max; int ri_free; } tulip_ringinfo_t; /* * The DC21040 has a stupid restriction in that the receive * buffers must be longword aligned. But since Ethernet * headers are not a multiple of longwords in size this forces * the data to non-longword aligned. Since IP requires the * data to be longword aligned, we need to copy it after it has * been DMA'ed in our memory. * * Since we have to copy it anyways, we might as well as allocate * dedicated receive space for the input. This allows to use a * small receive buffer size and more ring entries to be able to * better keep with a flood of tiny Ethernet packets. * * The receive space MUST ALWAYS be a multiple of the page size. * And the number of receive descriptors multiplied by the size * of the receive buffers must equal the recevive space. This * is so that we can manipulate the page tables so that even if a * packet wraps around the end of the receive space, we can * treat it as virtually contiguous. * * The above used to be true (the stupid restriction is still true) * but we gone to directly DMA'ing into MBUFs (unless it's on an * architecture which can't handle unaligned accesses) because with * 100Mb/s cards the copying is just too much of a hit. */ #if defined(__alpha__) #define TULIP_COPY_RXDATA 1 #endif #define TULIP_RXDESCS 48 #define TULIP_TXDESCS 128 #define TULIP_RXQ_TARGET 32 #if TULIP_RXQ_TARGET >= TULIP_RXDESCS #error TULIP_RXQ_TARGET must be less than TULIP_RXDESCS #endif #define TULIP_RX_BUFLEN ((MCLBYTES < 2048 ? MCLBYTES : 2048) - 16) /* * Forward reference to make C happy. */ typedef struct _tulip_softc_t tulip_softc_t; /* * Some boards need to treated specially. The following enumeration * identifies the cards with quirks (or those we just want to single * out for special merit or scorn). */ typedef enum { TULIP_DC21040_GENERIC, /* Generic DC21040 (works with most any board) */ TULIP_DC21040_ZX314_MASTER, /* ZNYX ZX314 Master 21040 (it has the interrupt line) */ TULIP_DC21040_ZX314_SLAVE, /* ZNYX ZX314 Slave 21040 (its interrupt is tied to the master's */ TULIP_DC21140_DEC_EB, /* Digital Semicondutor 21140 Evaluation Board */ TULIP_DC21140_DEC_DE500, /* Digital DE500-?? 10/100 */ TULIP_DC21140_SMC_9332, /* SMC 9332 */ TULIP_DC21140_COGENT_EM100, /* Cogent EM100 100 only */ TULIP_DC21140_ZNYX_ZX34X, /* ZNYX ZX342 10/100 */ TULIP_DC21041_GENERIC, /* Generic DC21041 card */ TULIP_DC21041_DEC_DE450 /* Digital DE450 */ } tulip_board_t; /* * This data structure is used to abstract out the quirks. * media_probe = tries to determine the media type. * media_select = enables the current media (or autosenses) * media_preset = 21140, etal requires bit to set before the * the software reset; hence pre-set. Should be * pre-reset but that's ugly. * mii_probe = probe for PHY devices connected via the MII interface * on 21140, etal. */ typedef struct { tulip_board_t bd_type; const char *bd_description; int (*bd_media_probe)(tulip_softc_t *sc); void (*bd_media_select)(tulip_softc_t *sc); void (*bd_media_preset)(tulip_softc_t *sc); void (*bd_mii_probe)(tulip_softc_t *sc); } tulip_boardsw_t; /* * The next few declarations are for MII/PHY based board. * * The first enumeration identifies a superset of various datums * that can be obtained from various PHY chips. Not all PHYs will * support all datums. * The modedata structure indicates what register contains * a datum, what mask is applied the register contents, and what the * result should be. * The attr structure records information about a supported PHY. * The phy structure records information about a PHY instance. */ typedef enum { PHY_MODE_10T, PHY_MODE_100TX, PHY_MODE_100T4, PHY_MODE_FULLDUPLEX, PHY_MODE_MAX } phy_mode_t; typedef struct { unsigned short pm_regno; unsigned short pm_mask; unsigned short pm_value; } phy_modedata_t; typedef struct { const char *attr_name; unsigned attr_id; unsigned short attr_flags; #define PHY_NEED_HARD_RESET 0x0001 #define PHY_DUAL_CYCLE_TA 0x0002 phy_modedata_t attr_modes[PHY_MODE_MAX]; } phy_attr_t; typedef struct _tulip_phy_t { const struct _tulip_phy_t *phy_next; const phy_attr_t *phy_attr; unsigned phy_devaddr; unsigned phy_status; } tulip_phy_t; /* * The various controllers support. Technically the DE425 is just * a 21040 on EISA. But since it remarkable difference from normal * 21040s, we give it its own chip id. */ typedef enum { TULIP_DC21040, TULIP_DE425, TULIP_DC21041, TULIP_DC21140, TULIP_DC21140A, TULIP_DC21142, TULIP_CHIPID_UNKNOWN } tulip_chipid_t; /* * Various probe states used when trying to autosense the media. * While we could try to autosense on the 21040, it a pain and so * until someone complain we won't. However, the 21041 and MII * 2114x do support autosense. */ typedef enum { TULIP_PROBE_INACTIVE, TULIP_PROBE_10BASET, TULIP_PROBE_AUI, TULIP_PROBE_BNC, TULIP_PROBE_PHYRESET, TULIP_PROBE_PHYAUTONEG, TULIP_PROBE_MEDIATEST, TULIP_PROBE_FAILED } tulip_probe_state_t; /* * Various physical media types supported. * BNCAUI is BNC or AUI since on the 21040 you can't really tell * which is in use. */ typedef enum { TULIP_MEDIA_UNKNOWN, TULIP_MEDIA_10BASET, TULIP_MEDIA_BNC, TULIP_MEDIA_AUI, TULIP_MEDIA_BNCAUI, TULIP_MEDIA_10BASET_FD, TULIP_MEDIA_100BASETX, TULIP_MEDIA_100BASETX_FD, TULIP_MEDIA_100BASET4 } tulip_media_t; typedef struct { /* * Transmit Statistics */ tulip_uint32_t dot3StatsSingleCollisionFrames; tulip_uint32_t dot3StatsMultipleCollisionFrames; tulip_uint32_t dot3StatsSQETestErrors; tulip_uint32_t dot3StatsDeferredTransmissions; tulip_uint32_t dot3StatsLateCollisions; tulip_uint32_t dot3StatsExcessiveCollisions; tulip_uint32_t dot3StatsInternalMacTransmitErrors; tulip_uint32_t dot3StatsCarrierSenseErrors; /* * Receive Statistics */ tulip_uint32_t dot3StatsMissedFrames; /* not in rfc1650! */ tulip_uint32_t dot3StatsAlignmentErrors; tulip_uint32_t dot3StatsFCSErrors; tulip_uint32_t dot3StatsFrameTooLongs; tulip_uint32_t dot3StatsInternalMacReceiveErrors; } tulip_dot3_stats_t; /* * Now to important stuff. This is softc structure (where does softc * come from??? No idea) for the tulip device. * */ struct _tulip_softc_t { #if defined(__bsdi__) struct device tulip_dev; /* base device */ struct isadev tulip_id; /* ISA device */ struct intrhand tulip_ih; /* intrrupt vectoring */ struct atshutdown tulip_ats; /* shutdown hook */ #if _BSDI_VERSION < 199401 caddr_t tulip_bpf; /* for BPF */ #else prf_t tulip_pf; /* printf function */ #endif #endif #if defined(__NetBSD__) struct device tulip_dev; /* base device */ void *tulip_ih; /* intrrupt vectoring */ void *tulip_ats; /* shutdown hook */ bus_chipset_tag_t tulip_bc; pci_chipset_tag_t tulip_pc; #ifdef TULIP_IOMAPPED bus_io_handle_t tulip_ioh; /* I/O region handle */ #else bus_io_handle_t tulip_memh; /* memory region handle */ #endif #endif struct arpcom tulip_ac; tulip_regfile_t tulip_csrs; unsigned tulip_flags; #define TULIP_WANTSETUP 0x00000001 #define TULIP_WANTHASH 0x00000002 #define TULIP_DOINGSETUP 0x00000004 #define TULIP_ALTPHYS 0x00000008 #define TULIP_PRINTMEDIA 0x00000010 #define TULIP_TXPROBE_ACTIVE 0x00000020 #define TULIP_TXPROBE_OK 0x00000040 #define TULIP_WANTRXACT 0x00000080 #define TULIP_RXACT 0x00000100 #define TULIP_INRESET 0x00000200 #define TULIP_NEEDRESET 0x00000400 #define TULIP_SQETEST 0x00000800 #define TULIP_ROMOK 0x00001000 #define TULIP_SLAVEDROM 0x00002000 #define TULIP_SLAVEDINTR 0x00004000 #define TULIP_LINKSUSPECT 0x00008000 #define TULIP_LINKUP 0x00010000 #define TULIP_RXBUFSLOW 0x00020000 #define TULIP_NOMESSAGES 0x00040000 #define TULIP_SYSTEMERROR 0x00080000 #define TULIP_DEVICEPROBE 0x00100000 #define TULIP_FAKEGPTIMEOUT 0x00200000 unsigned char tulip_rombuf[128]; tulip_uint32_t tulip_setupbuf[192/sizeof(tulip_uint32_t)]; tulip_uint32_t tulip_setupdata[192/sizeof(tulip_uint32_t)]; tulip_uint32_t tulip_intrmask; tulip_uint32_t tulip_cmdmode; tulip_uint32_t tulip_revinfo; tulip_uint32_t tulip_gpticks; tulip_uint32_t tulip_gpunits; tulip_uint32_t tulip_last_system_error : 3; tulip_uint32_t tulip_txtimer : 2; tulip_uint32_t tulip_system_errors; tulip_uint32_t tulip_statusbits; tulip_uint32_t tulip_abilities; /* tulip_uint32_t tulip_bus; XXX */ tulip_media_t tulip_media; tulip_probe_state_t tulip_probe_state; tulip_chipid_t tulip_chipid; const char *tulip_boardid; char tulip_boardidbuf[16]; const tulip_boardsw_t *tulip_boardsw; tulip_softc_t *tulip_slaves; tulip_phy_t *tulip_phys; #ifdef TULIP_DEBUG struct { tulip_uint32_t dbg_intrs; tulip_uint32_t dbg_msdelay; tulip_uint32_t dbg_gpticks; enum { TULIP_GPTMR_10MB, TULIP_GPTMR_10MB_MII, TULIP_GPTMR_100MB_MII } dbg_gprate; tulip_uint32_t dbg_gpintrs; tulip_uint32_t dbg_gpintrs_hz; tulip_uint32_t dbg_link_downed; tulip_uint32_t dbg_link_suspected; u_int16_t dbg_phyregs[32][4]; tulip_uint32_t dbg_rxlowbufs; tulip_uint32_t dbg_rxintrs; tulip_uint32_t dbg_last_rxintrs; tulip_uint32_t dbg_high_rxintrs_hz; tulip_uint32_t dbg_rxpktsperintr[TULIP_RXDESCS]; } tulip_dbg; #endif struct ifqueue tulip_txq; struct ifqueue tulip_rxq; tulip_dot3_stats_t tulip_dot3stats; tulip_ringinfo_t tulip_rxinfo; tulip_ringinfo_t tulip_txinfo; tulip_desc_t tulip_rxdescs[TULIP_RXDESCS]; tulip_desc_t tulip_txdescs[TULIP_TXDESCS]; }; static const char * const tulip_chipdescs[] = { "DC21040 [10Mb/s]", #if defined(TULIP_EISA) "DE425 [10Mb/s]", #else NULL, #endif "DC21041 [10Mb/s]", "DC21140 [10-100Mb/s]", "DC21140A [10-100Mb/s]", "DC21142 [10-100Mb/s]", }; static const char * const tulip_mediums[] = { "unknown", /* TULIP_MEDIA_UNKNOWN */ "10baseT", /* TULIP_MEDIA_10BASET */ "BNC", /* TULIP_MEDIA_BNC */ "AUI", /* TULIP_MEDIA_AUI */ "BNC/AUI", /* TULIP_MEDIA_BNCAUI */ "Full Duplex 10baseT", /* TULIP_MEDIA_10BASET_FD */ "100baseTX", /* TULIP_MEDIA_100BASET */ "Full Duplex 100baseTX", /* TULIP_MEDIA_100BASET_FD */ "100baseT4", /* TULIP_MEDIA_100BASET4 */ }; static const tulip_media_t tulip_phy_statuses[] = { TULIP_MEDIA_10BASET, TULIP_MEDIA_10BASET_FD, TULIP_MEDIA_100BASETX, TULIP_MEDIA_100BASETX_FD, TULIP_MEDIA_100BASET4 }; static const char * const tulip_system_errors[] = { "parity error", "master abort", "target abort", "reserved #3", "reserved #4", "reserved #5", "reserved #6", "reserved #7", }; static const char * const tulip_status_bits[] = { NULL, "transmit process stopped", NULL, "transmit jabber timeout", NULL, "transmit underflow", NULL, "receive underflow", "receive process stopped", "receive watchdog timeout", NULL, NULL, "link failure", NULL, NULL, }; #ifndef IFF_ALTPHYS #define IFF_ALTPHYS IFF_LINK2 /* In case it isn't defined */ #endif #ifndef IFF_FULLDUPLEX #define IFF_FULLDUPLEX IFF_LINK1 #endif #ifndef IFF_NOAUTONEG #if IFF_ALTPHYS == IFF_LINK2 #define IFF_NOAUTONEG IFF_LINK0 #else #define IFF_NOAUTONEG IFF_LINK2 #endif #endif #if (IFF_ALTPHYS&IFF_FULLDUPLEX&IFF_NOAUTONEG) != 0 #error IFF_ALTPHYS, IFF_FULLDUPLEX, IFF_NOAUTONEG overlap #endif #if defined(__FreeBSD__) typedef void ifnet_ret_t; typedef int ioctl_cmd_t; #define TULIP_COUNTINCR 4 tulip_softc_t **tulips; int tulip_count; #if BSD >= 199506 #define TULIP_IFP_TO_SOFTC(ifp) ((tulip_softc_t *)((ifp)->if_softc)) #if NBPFILTER > 0 #define TULIP_BPF_MTAP(sc, m) bpf_mtap(&(sc)->tulip_if, m) #define TULIP_BPF_TAP(sc, p, l) bpf_tap(&(sc)->tulip_if, p, l) #define TULIP_BPF_ATTACH(sc) bpfattach(&(sc)->tulip_if, DLT_EN10MB, sizeof(struct ether_header)) #endif #define tulip_intrfunc_t void #define TULIP_VOID_INTRFUNC #define IFF_NOTRAILERS 0 #define CLBYTES PAGE_SIZE #if 0 #define TULIP_KVATOPHYS(sc, va) kvtop(va) #endif #define TULIP_EADDR_FMT "%6D" #define TULIP_EADDR_ARGS(addr) addr, ":" #else extern int bootverbose; #define TULIP_IFP_TO_SOFTC(ifp) (TULIP_UNIT_TO_SOFTC((ifp)->if_unit)) #endif #define TULIP_UNIT_TO_SOFTC(unit) (tulips[unit]) #define TULIP_BURSTSIZE(unit) pci_max_burst_len #define loudprintf if (bootverbose) printf #endif #if defined(__bsdi__) typedef int ifnet_ret_t; typedef int ioctl_cmd_t; extern struct cfdriver decd; #define TULIP_UNIT_TO_SOFTC(unit) ((tulip_softc_t *) decd.cd_devs[unit]) #define TULIP_IFP_TO_SOFTC(ifp) (TULIP_UNIT_TO_SOFTC((ifp)->if_unit)) #if _BSDI_VERSION >= 199510 #if 0 #define TULIP_BURSTSIZE(unit) log2_burst_size #endif #define loudprintf aprint_verbose #define printf (*sc->tulip_pf) #elif _BSDI_VERSION <= 199401 #define DRQNONE 0 #define loudprintf printf static void arp_ifinit( struct arpcom *ac, struct ifaddr *ifa) { ac->ac_ipaddr = IA_SIN(ifa)->sin_addr; arpwhohas(ac, &ac->ac_ipaddr); } #endif #endif /* __bsdi__ */ #if defined(__NetBSD__) typedef void ifnet_ret_t; typedef u_long ioctl_cmd_t; extern struct cfattach de_ca; extern struct cfdriver de_cd; #define TULIP_UNIT_TO_SOFTC(unit) ((tulip_softc_t *) de_cd.cd_devs[unit]) #define TULIP_IFP_TO_SOFTC(ifp) ((tulip_softc_t *)((ifp)->if_softc)) #define tulip_xname tulip_ac.ac_if.if_xname #define tulip_unit tulip_dev.dv_unit #define loudprintf printf #define TULIP_PRINTF_FMT "%s" #define TULIP_PRINTF_ARGS sc->tulip_xname #if defined(__alpha__) /* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */ #define TULIP_KVATOPHYS(va) (vtophys(va) | 0x40000000) #endif #endif /* __NetBSD__ */ #ifndef TULIP_PRINTF_FMT #define TULIP_PRINTF_FMT "%s%d" #endif #ifndef TULIP_PRINTF_ARGS #define TULIP_PRINTF_ARGS sc->tulip_name, sc->tulip_unit #endif #ifndef TULIP_BURSTSIZE #define TULIP_BURSTSIZE(unit) 3 #endif #define tulip_if tulip_ac.ac_if #ifndef tulip_unit #define tulip_unit tulip_ac.ac_if.if_unit #endif #define tulip_name tulip_ac.ac_if.if_name #define tulip_hwaddr tulip_ac.ac_enaddr #if !defined(tulip_bpf) && (!defined(__bsdi__) || _BSDI_VERSION >= 199401) #define tulip_bpf tulip_ac.ac_if.if_bpf #endif #if !defined(tulip_intrfunc_t) #define tulip_intrfunc_t int #endif #if !defined(TULIP_KVATOPHYS) #define TULIP_KVATOPHYS(sc, va) vtophys(va) #endif /* * While I think FreeBSD's 2.2 change to the bpf is a nice simplification, * it does add yet more conditional code to this driver. Sigh. */ #if !defined(TULIP_BPF_MTAP) && NBPFILTER > 0 #define TULIP_BPF_MTAP(sc, m) bpf_mtap((sc)->tulip_bpf, m) #define TULIP_BPF_TAP(sc, p, l) bpf_tap((sc)->tulip_bpf, p, l) #define TULIP_BPF_ATTACH(sc) bpfattach(&(sc)->tulip_bpf, &(sc)->tulip_if, DLT_EN10MB, sizeof(struct ether_header)) #endif /* * However, this change to FreeBSD I am much less enamored with. */ #if !defined(TULIP_EADDR_FMT) #define TULIP_EADDR_FMT "%s" #define TULIP_EADDR_ARGS(addr) ether_sprintf(addr) #endif #define TULIP_CRC32_POLY 0xEDB88320UL /* CRC-32 Poly -- Little Endian */ #define TULIP_MAX_TXSEG 30 #define TULIP_ADDREQUAL(a1, a2) \ (((u_int16_t *)a1)[0] == ((u_int16_t *)a2)[0] \ && ((u_int16_t *)a1)[1] == ((u_int16_t *)a2)[1] \ && ((u_int16_t *)a1)[2] == ((u_int16_t *)a2)[2]) #define TULIP_ADDRBRDCST(a1) \ (((u_int16_t *)a1)[0] == 0xFFFFU \ && ((u_int16_t *)a1)[1] == 0xFFFFU \ && ((u_int16_t *)a1)[2] == 0xFFFFU) static tulip_intrfunc_t tulip_intr(void *arg); static void tulip_reset(tulip_softc_t * const sc); static ifnet_ret_t tulip_ifstart(struct ifnet *ifp); static void tulip_rx_intr(tulip_softc_t * const sc); static void tulip_addr_filter(tulip_softc_t * const sc); static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); static int tulip_dc21040_media_probe( tulip_softc_t * const sc) { int cnt; TULIP_CSR_WRITE(sc, csr_sia_connectivity, 0); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_10BASET); for (cnt = 0; cnt < 2400; cnt++) { if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) break; DELAY(1000); } sc->tulip_if.if_baudrate = 10000000; return (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) != 0; } static void tulip_dc21040_media_select( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 |TULIP_CMD_BACKOFFCTR; TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; if (sc->tulip_if.if_flags & IFF_ALTPHYS) { TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_AUI); sc->tulip_media = TULIP_MEDIA_BNCAUI; sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; if ((sc->tulip_flags & TULIP_ALTPHYS) == 0) sc->tulip_flags |= TULIP_PRINTMEDIA|TULIP_ALTPHYS; } else { if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; sc->tulip_media = TULIP_MEDIA_10BASET_FD; sc->tulip_flags &= ~TULIP_SQETEST; } else { sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; sc->tulip_media = TULIP_MEDIA_10BASET; } if (sc->tulip_flags & TULIP_ALTPHYS) sc->tulip_flags ^= TULIP_PRINTMEDIA|TULIP_ALTPHYS; TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_10BASET); } } static int tulip_dc21040_10baset_only_media_probe( tulip_softc_t * const sc) { TULIP_CSR_WRITE(sc, csr_sia_connectivity, 0); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_10BASET); sc->tulip_if.if_baudrate = 10000000; return 0; } static void tulip_dc21040_10baset_only_media_select( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 |TULIP_CMD_BACKOFFCTR; sc->tulip_flags |= TULIP_LINKUP; TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_10BASET); if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; sc->tulip_media = TULIP_MEDIA_10BASET_FD; sc->tulip_flags &= ~TULIP_SQETEST; } else { sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; sc->tulip_media = TULIP_MEDIA_10BASET; sc->tulip_flags |= TULIP_SQETEST; } if (sc->tulip_flags & TULIP_ALTPHYS) sc->tulip_flags ^= TULIP_PRINTMEDIA|TULIP_ALTPHYS; sc->tulip_flags &= ~TULIP_ALTPHYS; } static int tulip_dc21040_auibnc_only_media_probe( tulip_softc_t * const sc) { TULIP_CSR_WRITE(sc, csr_sia_connectivity, 0); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_AUI); sc->tulip_if.if_baudrate = 10000000; sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; return 0; } static void tulip_dc21040_auibnc_only_media_select( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 |TULIP_CMD_BACKOFFCTR; TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_AUI); if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) sc->tulip_if.if_flags &= ~IFF_FULLDUPLEX; sc->tulip_media = TULIP_MEDIA_BNCAUI; sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; if ((sc->tulip_flags & TULIP_ALTPHYS) == 0) sc->tulip_flags |= TULIP_PRINTMEDIA|TULIP_ALTPHYS; sc->tulip_flags &= ~TULIP_ALTPHYS; } static const tulip_boardsw_t tulip_dc21040_boardsw = { TULIP_DC21040_GENERIC, "", tulip_dc21040_media_probe, tulip_dc21040_media_select, NULL, NULL }; static const tulip_boardsw_t tulip_dc21040_10baset_only_boardsw = { TULIP_DC21040_GENERIC, "", tulip_dc21040_10baset_only_media_probe, tulip_dc21040_10baset_only_media_select, NULL, NULL }; static const tulip_boardsw_t tulip_dc21040_auibnc_only_boardsw = { TULIP_DC21040_GENERIC, "", tulip_dc21040_auibnc_only_media_probe, tulip_dc21040_auibnc_only_media_select, NULL, NULL }; static const tulip_boardsw_t tulip_dc21040_zx314_master_boardsw = { TULIP_DC21040_ZX314_MASTER, "ZNYX ZX314 ", tulip_dc21040_10baset_only_media_probe, tulip_dc21040_10baset_only_media_select }; static const tulip_boardsw_t tulip_dc21040_zx314_slave_boardsw = { TULIP_DC21040_ZX314_SLAVE, "ZNYX ZX314 ", tulip_dc21040_10baset_only_media_probe, tulip_dc21040_10baset_only_media_select }; static const phy_attr_t tulip_phy_attrlist[] = { { "NS DP83840", 0x20005c00, 0, /* 08-00-17 */ { { 0x19, 0x40, 0x40 }, /* 10TX */ { 0x19, 0x40, 0x00 }, /* 100TX */ } }, { "Seeq 80C240", 0x0281F400, 0, /* 00-A0-7D */ { { 0x12, 0x10, 0x00 }, /* 10T */ { }, /* 100TX */ { 0x12, 0x10, 0x10 }, /* 100T4 */ { 0x12, 0x08, 0x08 }, /* FULL_DUPLEX */ } }, { NULL } }; static void tulip_dc21140_mii_probe( tulip_softc_t * const sc) { unsigned devaddr; for (devaddr = 31; devaddr > 0; devaddr--) { unsigned status = tulip_mii_readreg(sc, devaddr, PHYREG_STATUS); unsigned media; unsigned id; const phy_attr_t *attr; tulip_phy_t *phy; const char *sep; if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) continue; if ((status & PHYSTS_EXTENDED_REGS) == 0) { loudprintf(TULIP_PRINTF_FMT "(phy%d): skipping (no extended register set)\n", TULIP_PRINTF_ARGS, devaddr); continue; } id = (tulip_mii_readreg(sc, devaddr, PHYREG_IDLOW) << 16) | tulip_mii_readreg(sc, devaddr, PHYREG_IDHIGH); for (attr = tulip_phy_attrlist; attr->attr_name != NULL; attr++) { if ((id & ~0x0F) == attr->attr_id) break; } if (attr->attr_name == NULL) { loudprintf(TULIP_PRINTF_FMT "(phy%d): skipping (unrecogized id 0x%08x)\n", TULIP_PRINTF_ARGS, devaddr, id & ~0x0F); continue; } MALLOC(phy, tulip_phy_t *, sizeof(tulip_phy_t), M_DEVBUF, M_NOWAIT); if (phy == NULL) { loudprintf(TULIP_PRINTF_FMT "(phy%d): skipping (memory allocation failed)\n", TULIP_PRINTF_ARGS, devaddr); continue; } phy->phy_attr = attr; phy->phy_devaddr = devaddr; phy->phy_status = status; phy->phy_next = sc->tulip_phys; sc->tulip_phys = phy; loudprintf(TULIP_PRINTF_FMT "(phy%d): model = %s%s\n", TULIP_PRINTF_ARGS, phy->phy_devaddr, phy->phy_attr->attr_name, (phy->phy_status & PHYSTS_CAN_AUTONEG) ? " (supports media autonegotiation)" : ""); loudprintf(TULIP_PRINTF_FMT "(phy%d): media = ", TULIP_PRINTF_ARGS, phy->phy_devaddr); for (media = 11, sep = ""; media < 16; media++) { if (status & (1 << media)) { loudprintf("%s%s", sep, tulip_mediums[tulip_phy_statuses[media-11]]); sep = ", "; } } loudprintf("\n"); } } /* * The general purpose timer of the 21140/21140a/21142 is kind * of strange. It can run on one of 3 speeds depending on the mode * of the chip. * * 10Mb/s port 204.8 microseconds (also speed of DC21041 timer) * 100Mb/s MII 81.92 microseconds * 10Mb/s MII 819.2 microseconds * * So we use a tick of a 819.2 microseconds and bias the number of ticks * required based on the mode in which we are running. 2560/3125 = .8192 * so we use the reciprocal to scale the ms delay to 21140 ticks. */ static void tulip_dc21140_gp_timer_set( tulip_softc_t * const sc, unsigned msdelay) { tulip_uint32_t cmdmode = TULIP_CSR_READ(sc, csr_command); #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_msdelay = msdelay; #endif if ((cmdmode & TULIP_CMD_PORTSELECT) == 0) { msdelay *= 4; #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_gprate = TULIP_GPTMR_10MB_MII; #endif } else if ((cmdmode & TULIP_CMD_TXTHRSHLDCTL) == 0) { msdelay *= 10; #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_gprate = TULIP_GPTMR_100MB_MII; } else { sc->tulip_dbg.dbg_gprate = TULIP_GPTMR_10MB; #endif } #if 0 if (sc->tulip_chipid == TULIP_DC21140A) msdelay *= 10; #endif TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_GPTIMEOUT); TULIP_CSR_WRITE(sc, csr_gp_timer, (msdelay * 313 + 128) / 256); if (sc->tulip_flags & TULIP_DEVICEPROBE) { sc->tulip_flags |= TULIP_FAKEGPTIMEOUT; } else { TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); sc->tulip_flags &= ~TULIP_FAKEGPTIMEOUT; } #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_gpticks = (msdelay * 313 + 128) / 256; #endif } static int tulip_dc21140_map_abilities( tulip_softc_t * const sc, const tulip_phy_t * const phy, unsigned abilities) { sc->tulip_abilities = abilities; if (abilities & PHYSTS_100BASETX_FD) { sc->tulip_media = TULIP_MEDIA_100BASETX_FD; } else if (abilities & PHYSTS_100BASETX) { sc->tulip_media = TULIP_MEDIA_100BASETX; } else if (abilities & PHYSTS_100BASET4) { sc->tulip_media = TULIP_MEDIA_100BASET4; } else if (abilities & PHYSTS_10BASET_FD) { sc->tulip_media = TULIP_MEDIA_10BASET_FD; } else if (abilities & PHYSTS_10BASET) { sc->tulip_media = TULIP_MEDIA_10BASET; } else { sc->tulip_media = TULIP_MEDIA_UNKNOWN; sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; return 1; } sc->tulip_intrmask &= ~TULIP_STS_GPTIMEOUT; sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; sc->tulip_flags |= TULIP_PRINTMEDIA|TULIP_NEEDRESET; sc->tulip_probe_state = TULIP_PROBE_INACTIVE; return 0; } static void tulip_dc21140_autonegotiate( tulip_softc_t * const sc, const tulip_phy_t * const phy) { tulip_uint32_t data; if (sc->tulip_flags & TULIP_INRESET) { sc->tulip_probe_state = TULIP_PROBE_INACTIVE; } if (sc->tulip_if.if_flags & IFF_NOAUTONEG) { sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; data = tulip_mii_readreg(sc, phy->phy_devaddr, PHYREG_CONTROL); if (data & PHYCTL_AUTONEG_ENABLE) { data &= ~PHYCTL_AUTONEG_ENABLE; tulip_mii_writereg(sc, phy->phy_devaddr, PHYREG_CONTROL, data); } return; } again: switch (sc->tulip_probe_state) { case TULIP_PROBE_INACTIVE: { sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; tulip_mii_writereg(sc, phy->phy_devaddr, PHYREG_CONTROL, PHYCTL_RESET); sc->tulip_gpticks = 10; sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_GPTIMEOUT|TULIP_STS_NORMALINTR; sc->tulip_probe_state = TULIP_PROBE_PHYRESET; goto again; } case TULIP_PROBE_PHYRESET: { data = tulip_mii_readreg(sc, phy->phy_devaddr, PHYREG_CONTROL); if (data & PHYCTL_RESET) { if (--sc->tulip_gpticks > 0) { tulip_dc21140_gp_timer_set(sc, 100); return; } printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", TULIP_PRINTF_ARGS, phy->phy_devaddr); sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; sc->tulip_probe_state = TULIP_PROBE_FAILED; sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); sc->tulip_intrmask &= ~TULIP_STS_GPTIMEOUT; return; } if ((phy->phy_status & PHYSTS_CAN_AUTONEG) == 0 && (sc->tulip_if.if_flags & IFF_NOAUTONEG)) { #ifdef TULIP_DEBUG loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", TULIP_PRINTF_ARGS, phy->phy_devaddr); #endif sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; return; } if (tulip_mii_readreg(sc, phy->phy_devaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((phy->phy_status >> 6) | 0x01)) tulip_mii_writereg(sc, phy->phy_devaddr, PHYREG_AUTONEG_ADVERTISEMENT, (phy->phy_status >> 6) | 0x01); tulip_mii_writereg(sc, phy->phy_devaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); data = tulip_mii_readreg(sc, phy->phy_devaddr, PHYREG_CONTROL); #ifdef TULIP_DEBUG if ((data & PHYCTL_AUTONEG_ENABLE) == 0) loudprintf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", TULIP_PRINTF_ARGS, phy->phy_devaddr, data); else loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x\n", TULIP_PRINTF_ARGS, phy->phy_devaddr, data); #endif sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; sc->tulip_gpticks = 60; goto again; } case TULIP_PROBE_PHYAUTONEG: { data = tulip_mii_readreg(sc, phy->phy_devaddr, PHYREG_STATUS); if ((data & PHYSTS_AUTONEG_DONE) == 0) { if (--sc->tulip_gpticks > 0) { tulip_dc21140_gp_timer_set(sc, 100); return; } #ifdef TULIP_DEBUG loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", TULIP_PRINTF_ARGS, phy->phy_devaddr, data, tulip_mii_readreg(sc, phy->phy_devaddr, PHYREG_CONTROL)); #endif sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; return; } data = tulip_mii_readreg(sc, phy->phy_devaddr, PHYREG_AUTONEG_ABILITIES); #ifdef TULIP_DEBUG loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n", TULIP_PRINTF_ARGS, phy->phy_devaddr, data); #endif data = (data << 6) & phy->phy_status; tulip_dc21140_map_abilities(sc, phy, data); return; } } #ifdef TULIP_DEBUG loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", TULIP_PRINTF_ARGS, phy->phy_devaddr, sc->tulip_probe_state); #endif } static tulip_media_t tulip_dc21140_phy_readspecific( tulip_softc_t * const sc, const tulip_phy_t * const phy) { const phy_attr_t * const attr = phy->phy_attr; unsigned data; unsigned idx = 0; static const tulip_media_t table[] = { TULIP_MEDIA_UNKNOWN, TULIP_MEDIA_10BASET, TULIP_MEDIA_100BASETX, TULIP_MEDIA_100BASET4, TULIP_MEDIA_UNKNOWN, TULIP_MEDIA_10BASET_FD, TULIP_MEDIA_100BASETX_FD, TULIP_MEDIA_UNKNOWN }; /* * Don't read phy specific registers if link is not up. */ data = tulip_mii_readreg(sc, phy->phy_devaddr, PHYREG_STATUS); if ((data & PHYSTS_LINK_UP) == 0) return TULIP_MEDIA_UNKNOWN; if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { const phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; data = tulip_mii_readreg(sc, phy->phy_devaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 2; } if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { const phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; data = tulip_mii_readreg(sc, phy->phy_devaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 3; } if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { const phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; data = tulip_mii_readreg(sc, phy->phy_devaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 1; } if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { const phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; data = tulip_mii_readreg(sc, phy->phy_devaddr, pm->pm_regno); idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); } return table[idx]; } static void tulip_dc21140_mii_link_monitor( tulip_softc_t * const sc, const tulip_phy_t * const phy) { tulip_uint32_t data; tulip_dc21140_gp_timer_set(sc, 425); /* * Have we seen some packets? If so, the link must be good. */ if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKSUSPECT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { sc->tulip_flags &= ~TULIP_RXACT; return; } /* * Read the PHY status register. */ data = tulip_mii_readreg(sc, phy->phy_devaddr, PHYREG_STATUS); if ((sc->tulip_if.if_flags & IFF_NOAUTONEG) == 0 && (data & PHYSTS_AUTONEG_DONE)) { /* * If autonegotiation hasn't been disabled and the PHY has complete * autonegotiation, see the if the remote systems abilities have changed. * If so, upgrade or downgrade as appropriate. */ unsigned abilities = tulip_mii_readreg(sc, phy->phy_devaddr, PHYREG_AUTONEG_ABILITIES); abilities = (abilities << 6) & phy->phy_status; if (abilities != sc->tulip_abilities) { sc->tulip_flags |= TULIP_PRINTMEDIA; #ifdef TULIP_DEBUG loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", TULIP_PRINTF_ARGS, phy->phy_devaddr, sc->tulip_abilities, abilities); #endif tulip_dc21140_map_abilities(sc, phy, abilities); return; } } /* * The link is now up. If was down, say its back up. */ if ((data & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) { if ((sc->tulip_if.if_flags & IFF_NOAUTONEG) == 0) { tulip_media_t media = tulip_dc21140_phy_readspecific(sc, phy); if (media != sc->tulip_media && media != TULIP_MEDIA_UNKNOWN) { sc->tulip_media = media; sc->tulip_flags |= TULIP_PRINTMEDIA; } } sc->tulip_gpticks = 0; if (sc->tulip_flags & TULIP_PRINTMEDIA) { printf(TULIP_PRINTF_FMT ": %senabling %s port\n", TULIP_PRINTF_ARGS, (sc->tulip_flags & TULIP_LINKUP) ? "" : "link up: ", tulip_mediums[sc->tulip_media]); } else if ((sc->tulip_flags & TULIP_LINKUP) == 0) { printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); } sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_LINKSUSPECT|TULIP_RXACT); sc->tulip_flags |= TULIP_LINKUP; return; } /* * The link may be down. Mark it as suspect. If suspect for 12 ticks, * mark it down. If autonegotiation is not disabled, restart the media * probe to see if the media has changed. */ if ((sc->tulip_flags & TULIP_LINKSUSPECT) == 0) { sc->tulip_flags |= TULIP_LINKSUSPECT; sc->tulip_flags &= ~TULIP_LINKUP; sc->tulip_gpticks = 12; #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_link_suspected++; #endif return; } if (--sc->tulip_gpticks > 0) return; if (sc->tulip_flags & TULIP_LINKSUSPECT) { printf(TULIP_PRINTF_FMT ": link down: cable problem?\n", TULIP_PRINTF_ARGS); sc->tulip_flags &= ~TULIP_LINKSUSPECT; #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_link_downed++; #endif } if (sc->tulip_if.if_flags & IFF_NOAUTONEG) return; sc->tulip_media = TULIP_MEDIA_UNKNOWN; sc->tulip_probe_state = TULIP_PROBE_INACTIVE; tulip_dc21140_autonegotiate(sc, phy); } static void tulip_dc21140_nomii_media_preset( tulip_softc_t * const sc) { sc->tulip_flags &= ~TULIP_SQETEST; if (sc->tulip_if.if_flags & IFF_ALTPHYS) { sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT |TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER; sc->tulip_if.if_baudrate = 100000000; } else { sc->tulip_cmdmode &= ~(TULIP_CMD_PORTSELECT |TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER); sc->tulip_if.if_baudrate = 10000000; if ((sc->tulip_cmdmode & TULIP_CMD_FULLDUPLEX) == 0) sc->tulip_flags |= TULIP_SQETEST; } TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } static void tulip_dc21140_mii_media_preset( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; sc->tulip_flags &= ~TULIP_SQETEST; if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) { switch (sc->tulip_media) { case TULIP_MEDIA_10BASET: { sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; sc->tulip_if.if_baudrate = 10000000; sc->tulip_flags |= TULIP_SQETEST; break; } case TULIP_MEDIA_10BASET_FD: { sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; sc->tulip_if.if_baudrate = 10000000; break; } case TULIP_MEDIA_100BASET4: case TULIP_MEDIA_100BASETX: { sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); sc->tulip_if.if_baudrate = 100000000; break; } case TULIP_MEDIA_100BASETX_FD: { sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; sc->tulip_if.if_baudrate = 100000000; break; } } } TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } static void tulip_dc21140_nomii_100only_media_preset( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT |TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER; TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } static int tulip_dc21140_evalboard_media_probe( tulip_softc_t * const sc) { TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); DELAY(1000000); return (TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0; } static void tulip_dc21140_evalboard_media_select( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_STOREFWD|TULIP_CMD_MUSTBEONE |TULIP_CMD_BACKOFFCTR; sc->tulip_flags |= TULIP_LINKUP; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); if (sc->tulip_if.if_flags & IFF_ALTPHYS) { if ((sc->tulip_flags & TULIP_ALTPHYS) == 0) sc->tulip_flags |= TULIP_PRINTMEDIA|TULIP_ALTPHYS; sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; sc->tulip_media = TULIP_MEDIA_100BASETX; sc->tulip_flags &= ~TULIP_SQETEST; } else { if (sc->tulip_flags & TULIP_ALTPHYS) sc->tulip_flags ^= TULIP_PRINTMEDIA|TULIP_ALTPHYS; sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; sc->tulip_media = TULIP_MEDIA_10BASET; sc->tulip_flags |= TULIP_SQETEST; } #ifdef BIG_PACKET if (sc->tulip_if.if_mtu > ETHERMTU) { TULIP_CSR_WRITE(sc, csr_watchdog, TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE); } #endif } static const tulip_boardsw_t tulip_dc21140_eb_boardsw = { TULIP_DC21140_DEC_EB, "", tulip_dc21140_evalboard_media_probe, tulip_dc21140_evalboard_media_select, tulip_dc21140_nomii_media_preset, }; static int tulip_dc21140_smc9332_media_probe( tulip_softc_t * const sc) { int idx; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); DELAY(200000); for (idx = 1000; idx > 0; idx--) { tulip_uint32_t csr = TULIP_CSR_READ(sc, csr_gp); if ((csr & (TULIP_GP_SMC_9332_OK100|TULIP_GP_SMC_9332_OK10)) == TULIP_GP_SMC_9332_OK100) return 1; if ((csr & (TULIP_GP_SMC_9332_OK100|TULIP_GP_SMC_9332_OK10)) == TULIP_GP_SMC_9332_OK10) return 0; DELAY(1000); } return 0; } static void tulip_dc21140_smc9332_media_select( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_STOREFWD|TULIP_CMD_MUSTBEONE |TULIP_CMD_BACKOFFCTR; sc->tulip_flags |= TULIP_LINKUP; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); if (sc->tulip_if.if_flags & IFF_ALTPHYS) { if ((sc->tulip_flags & TULIP_ALTPHYS) == 0) sc->tulip_flags |= TULIP_PRINTMEDIA|TULIP_ALTPHYS; sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; sc->tulip_media = TULIP_MEDIA_100BASETX; sc->tulip_flags &= ~TULIP_SQETEST; } else { if (sc->tulip_flags & TULIP_ALTPHYS) sc->tulip_flags ^= TULIP_PRINTMEDIA|TULIP_ALTPHYS; sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; sc->tulip_media = TULIP_MEDIA_10BASET; sc->tulip_flags |= TULIP_SQETEST; } #ifdef BIG_PACKET if (sc->tulip_if.if_mtu > ETHERMTU) { TULIP_CSR_WRITE(sc, csr_watchdog, TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE); } #endif } static const tulip_boardsw_t tulip_dc21140_smc9332_boardsw = { TULIP_DC21140_SMC_9332, "SMC 9332 ", tulip_dc21140_smc9332_media_probe, tulip_dc21140_smc9332_media_select, tulip_dc21140_nomii_media_preset, }; static int tulip_dc21140_cogent_em100_media_probe( tulip_softc_t * const sc) { TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); return 1; } static void tulip_dc21140_cogent_em100_media_select( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_STOREFWD|TULIP_CMD_MUSTBEONE |TULIP_CMD_BACKOFFCTR; sc->tulip_flags |= TULIP_LINKUP; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); if ((sc->tulip_flags & TULIP_ALTPHYS) == 0) sc->tulip_flags |= TULIP_PRINTMEDIA|TULIP_ALTPHYS; sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; sc->tulip_media = TULIP_MEDIA_100BASETX; #ifdef BIG_PACKET if (sc->tulip_if.if_mtu > ETHERMTU) { TULIP_CSR_WRITE(sc, csr_watchdog, TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE); } #endif } static const tulip_boardsw_t tulip_dc21140_cogent_em100_boardsw = { TULIP_DC21140_COGENT_EM100, "Cogent EM100 ", tulip_dc21140_cogent_em100_media_probe, tulip_dc21140_cogent_em100_media_select, tulip_dc21140_nomii_100only_media_preset }; static int tulip_dc21140_znyx_zx34x_media_probe( tulip_softc_t * const sc) { TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); DELAY(1000000); return (TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_ZX34X_OK10); } static void tulip_dc21140_znyx_zx34x_media_select( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_STOREFWD|TULIP_CMD_MUSTBEONE |TULIP_CMD_BACKOFFCTR; sc->tulip_flags |= TULIP_LINKUP; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); if (sc->tulip_if.if_flags & IFF_ALTPHYS) { if ((sc->tulip_flags & TULIP_ALTPHYS) == 0) sc->tulip_flags |= TULIP_PRINTMEDIA|TULIP_ALTPHYS; sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; sc->tulip_media = TULIP_MEDIA_100BASETX; } else { if (sc->tulip_flags & TULIP_ALTPHYS) sc->tulip_flags ^= TULIP_PRINTMEDIA|TULIP_ALTPHYS; sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; sc->tulip_media = TULIP_MEDIA_10BASET; } #ifdef BIG_PACKET if (sc->tulip_if.if_mtu > ETHERMTU) { TULIP_CSR_WRITE(sc, csr_watchdog, TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE); } #endif } static const tulip_boardsw_t tulip_dc21140_znyx_zx34x_boardsw = { TULIP_DC21140_ZNYX_ZX34X, "ZNYX ZX34X ", tulip_dc21140_znyx_zx34x_media_probe, tulip_dc21140_znyx_zx34x_media_select, tulip_dc21140_nomii_media_preset, }; static const struct { unsigned short value_gp; unsigned short value_phyctl; } tulip_dc21140_de500_csrvalues[] = { { TULIP_GP_DE500_HALFDUPLEX, 0 }, /* TULIP_MEDIA_UNKNOWN */ { TULIP_GP_DE500_HALFDUPLEX, 0 }, /* TULIP_MEDIA_10BASET */ { /* n/a */ }, /* TULIP_MEDIA_BNC */ { /* n/a */ }, /* TULIP_MEDIA_AUI */ { /* n/a */ }, /* TULIP_MEDIA_BNCAUI */ { 0, PHYCTL_FULL_DUPLEX }, /* TULIP_MEDIA_10BASET_FD */ { TULIP_GP_DE500_HALFDUPLEX| /* TULIP_MEDIA_100BASET */ TULIP_GP_DE500_FORCE_100, PHYCTL_SELECT_100MB }, { TULIP_GP_DE500_FORCE_100, /* TULIP_MEDIA_100BASET_FD */ PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX }, { TULIP_GP_DE500_HALFDUPLEX| /* TULIP_MEDIA_100BASET4 */ TULIP_GP_DE500_FORCE_100, PHYCTL_SELECT_100MB }, }; static void tulip_dc21140_de500_media_select( tulip_softc_t * const sc) { if (sc->tulip_if.if_flags & IFF_ALTPHYS) { if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { sc->tulip_media = TULIP_MEDIA_100BASETX_FD; sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; } else { sc->tulip_media = TULIP_MEDIA_100BASETX; sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; } if ((sc->tulip_flags & TULIP_ALTPHYS) == 0) sc->tulip_flags |= TULIP_PRINTMEDIA|TULIP_ALTPHYS; } else { if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { sc->tulip_media = TULIP_MEDIA_10BASET_FD; sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; } else { sc->tulip_media = TULIP_MEDIA_10BASET; sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; } if (sc->tulip_flags & TULIP_ALTPHYS) sc->tulip_flags ^= TULIP_PRINTMEDIA|TULIP_ALTPHYS; } } static int tulip_dc21140_de500xa_media_probe( tulip_softc_t * const sc) { int idx; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_DE500_PINS); DELAY(500); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_DE500_HALFDUPLEX|TULIP_GP_DE500_FORCE_100); DELAY(1000); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) |TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_SCRAMBLER|TULIP_CMD_MUSTBEONE); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); for (idx = 2400; idx > 0; idx--) { tulip_uint32_t data; DELAY(1000); data = ~TULIP_CSR_READ(sc, csr_gp); if ((data & (TULIP_GP_DE500_LINK_PASS|TULIP_GP_DE500_SYM_LINK)) == (TULIP_GP_DE500_SYM_LINK|TULIP_GP_DE500_LINK_PASS)) return 1; } return 0; } static void tulip_dc21140_de500xa_media_select( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_STOREFWD|TULIP_CMD_MUSTBEONE |TULIP_CMD_BACKOFFCTR; sc->tulip_flags |= TULIP_LINKUP; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_DE500_PINS); tulip_dc21140_de500_media_select(sc); TULIP_CSR_WRITE(sc, csr_gp, tulip_dc21140_de500_csrvalues[sc->tulip_media].value_gp); #ifdef BIG_PACKET if (sc->tulip_if.if_mtu > ETHERMTU) { TULIP_CSR_WRITE(sc, csr_watchdog, TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE); } #endif } static const tulip_boardsw_t tulip_dc21140_de500xa_boardsw = { TULIP_DC21140_DEC_DE500, "Digital DE500-XA ", tulip_dc21140_de500xa_media_probe, tulip_dc21140_de500xa_media_select, tulip_dc21140_nomii_media_preset, }; static int tulip_dc21140_de500aa_media_probe( tulip_softc_t * const sc) { TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_DE500_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_DE500_PHY_RESET); DELAY(1000); TULIP_CSR_WRITE(sc, csr_gp, 0); TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT); return 0; } static void tulip_dc21140_de500aa_media_select( tulip_softc_t * const sc) { const tulip_phy_t *phy = sc->tulip_phys; tulip_uint32_t data; if (phy == NULL) return; /* * Defer autosensing until out of device probe (will be * triggered by ifwatchdog or ifioctl). */ if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { tulip_media_t old_media; if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) tulip_dc21140_autonegotiate(sc, phy); if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) return; old_media = sc->tulip_media; if (sc->tulip_if.if_flags & IFF_NOAUTONEG) { tulip_dc21140_de500_media_select(sc); } else { sc->tulip_media = tulip_dc21140_phy_readspecific(sc, phy); if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { sc->tulip_probe_state = TULIP_PROBE_INACTIVE; tulip_dc21140_autonegotiate(sc, phy); return; } sc->tulip_flags |= TULIP_PRINTMEDIA; } sc->tulip_probe_state = TULIP_PROBE_INACTIVE; sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; sc->tulip_intrmask &= ~TULIP_STS_GPTIMEOUT; if (sc->tulip_flags & TULIP_INRESET) goto in_reset; if (sc->tulip_media != old_media) sc->tulip_flags |= TULIP_NEEDRESET; return; } if ((sc->tulip_flags & TULIP_INRESET) == 0) { tulip_dc21140_mii_link_monitor(sc, phy); return; } in_reset: if (sc->tulip_if.if_flags & IFF_ALTPHYS) { sc->tulip_flags |= TULIP_ALTPHYS; } else { sc->tulip_flags &= ~TULIP_ALTPHYS; } sc->tulip_gpticks = 8; sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_GPTIMEOUT|TULIP_STS_NORMALINTR; tulip_dc21140_gp_timer_set(sc, 425); data = tulip_mii_readreg(sc, phy->phy_devaddr, PHYREG_CONTROL); if ((data & PHYCTL_AUTONEG_ENABLE) == 0) { data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX); data |= tulip_dc21140_de500_csrvalues[sc->tulip_media].value_phyctl; tulip_mii_writereg(sc, phy->phy_devaddr, PHYREG_CONTROL, data); } } static const tulip_boardsw_t tulip_dc21140_de500aa_boardsw = { TULIP_DC21140_DEC_DE500, "Digital DE500-AA ", tulip_dc21140_de500aa_media_probe, tulip_dc21140_de500aa_media_select, tulip_dc21140_mii_media_preset, tulip_dc21140_mii_probe, }; static int tulip_dc21041_media_probe( tulip_softc_t * const sc) { sc->tulip_if.if_baudrate = 10000000; return 0; } #ifdef BIG_PACKET #define TULIP_DC21041_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) #else #define TULIP_DC21041_SIAGEN_WATCHDOG 0 #endif static void tulip_dc21041_media_select( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_GPTIMEOUT|TULIP_STS_TXINTR |TULIP_STS_ABNRMLINTR|TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; if (sc->tulip_if.if_flags & IFF_ALTPHYS) { if ((sc->tulip_flags & TULIP_ALTPHYS) == 0) { sc->tulip_media = TULIP_MEDIA_UNKNOWN; sc->tulip_flags &= ~(TULIP_TXPROBE_OK|TULIP_TXPROBE_ACTIVE); sc->tulip_flags |= TULIP_ALTPHYS|TULIP_WANTRXACT; sc->tulip_probe_state = TULIP_PROBE_INACTIVE; } } else { if (sc->tulip_flags & TULIP_ALTPHYS) { sc->tulip_media = TULIP_MEDIA_UNKNOWN; sc->tulip_flags &= ~(TULIP_TXPROBE_OK|TULIP_TXPROBE_ACTIVE|TULIP_ALTPHYS); sc->tulip_flags |= TULIP_WANTRXACT; sc->tulip_probe_state = TULIP_PROBE_INACTIVE; } } if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) { if (sc->tulip_media == TULIP_MEDIA_10BASET) { sc->tulip_media = TULIP_MEDIA_UNKNOWN; } else if (sc->tulip_media == TULIP_MEDIA_BNC) { sc->tulip_intrmask &= ~TULIP_STS_GPTIMEOUT; TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); DELAY(50); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_DC21041_SIACONN_BNC); TULIP_CSR_WRITE(sc, csr_sia_tx_rx, TULIP_DC21041_SIATXRX_BNC); TULIP_CSR_WRITE(sc, csr_sia_general, TULIP_DC21041_SIAGEN_BNC|TULIP_DC21041_SIAGEN_WATCHDOG); DELAY(50); return; } else if (sc->tulip_media == TULIP_MEDIA_AUI) { sc->tulip_intrmask &= ~TULIP_STS_GPTIMEOUT; TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); DELAY(50); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_DC21041_SIACONN_AUI); TULIP_CSR_WRITE(sc, csr_sia_tx_rx, TULIP_DC21041_SIATXRX_AUI); TULIP_CSR_WRITE(sc, csr_sia_general, TULIP_DC21041_SIAGEN_AUI|TULIP_DC21041_SIAGEN_WATCHDOG); DELAY(50); return; } switch (sc->tulip_probe_state) { case TULIP_PROBE_INACTIVE: { sc->tulip_if.if_flags |= IFF_OACTIVE; sc->tulip_gpticks = 200; sc->tulip_probe_state = TULIP_PROBE_10BASET; sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; sc->tulip_flags &= ~(TULIP_TXPROBE_OK|TULIP_LINKUP); sc->tulip_cmdmode |= TULIP_CMD_TXRUN; TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); DELAY(50); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_DC21041_SIACONN_10BASET); if (sc->tulip_cmdmode & TULIP_CMD_FULLDUPLEX) TULIP_CSR_WRITE(sc, csr_sia_tx_rx, TULIP_DC21041_SIATXRX_10BASET_FD); else TULIP_CSR_WRITE(sc, csr_sia_tx_rx, TULIP_DC21041_SIATXRX_10BASET); TULIP_CSR_WRITE(sc, csr_sia_general, TULIP_DC21041_SIAGEN_10BASET|TULIP_DC21041_SIAGEN_WATCHDOG); DELAY(50); TULIP_CSR_WRITE(sc, csr_gp_timer, 12000000 / 204800); /* 120 ms */ TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_GPTIMEOUT); tulip_ifstart(&sc->tulip_if); break; } case TULIP_PROBE_10BASET: { if (--sc->tulip_gpticks > 0) { if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { TULIP_CSR_WRITE(sc, csr_gp_timer, 12000000 / 204800); /* 120 ms */ /* TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); */ break; } } sc->tulip_gpticks = 4; if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_OTHERRXACTIVITY) { sc->tulip_probe_state = TULIP_PROBE_BNC; TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); DELAY(50); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_DC21041_SIACONN_BNC); TULIP_CSR_WRITE(sc, csr_sia_tx_rx, TULIP_DC21041_SIATXRX_BNC); TULIP_CSR_WRITE(sc, csr_sia_general, TULIP_DC21041_SIAGEN_BNC|TULIP_DC21041_SIAGEN_WATCHDOG); TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_SIASTS_OTHERRXACTIVITY); DELAY(50); TULIP_CSR_WRITE(sc, csr_gp_timer, 100000000 / 204800); /* 100 ms */ } else { sc->tulip_probe_state = TULIP_PROBE_AUI; TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); DELAY(50); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_DC21041_SIACONN_AUI); TULIP_CSR_WRITE(sc, csr_sia_tx_rx, TULIP_DC21041_SIATXRX_AUI); TULIP_CSR_WRITE(sc, csr_sia_general, TULIP_DC21041_SIAGEN_AUI|TULIP_DC21041_SIAGEN_WATCHDOG); DELAY(50); TULIP_CSR_WRITE(sc, csr_gp_timer, 100000000 / 204800); /* 100 ms */ } break; } case TULIP_PROBE_BNC: case TULIP_PROBE_AUI: { if (sc->tulip_flags & TULIP_TXPROBE_OK) { sc->tulip_intrmask &= ~TULIP_STS_GPTIMEOUT; sc->tulip_flags &= ~(TULIP_TXPROBE_OK|TULIP_TXPROBE_ACTIVE); sc->tulip_flags |= TULIP_LINKUP; TULIP_CSR_WRITE(sc, csr_gp_timer, 0); /* disable */ if (sc->tulip_probe_state == TULIP_PROBE_AUI) { if (sc->tulip_media != TULIP_MEDIA_AUI) { sc->tulip_media = TULIP_MEDIA_AUI; sc->tulip_flags |= TULIP_PRINTMEDIA; } } else if (sc->tulip_probe_state == TULIP_PROBE_BNC) { if (sc->tulip_media != TULIP_MEDIA_BNC) { sc->tulip_media = TULIP_MEDIA_BNC; sc->tulip_flags |= TULIP_PRINTMEDIA; } } TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); sc->tulip_probe_state = TULIP_PROBE_INACTIVE; break; } if ((sc->tulip_flags & TULIP_WANTRXACT) == 0 || (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_RXACTIVITY)) { if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) { struct mbuf *m; /* * Before we are sure this is the right media we need * to send a small packet to make sure there's carrier. * Strangely, BNC and AUI will 'see" receive data if * either is connected so the transmit is the only way * to verify the connectivity. */ MGETHDR(m, M_DONTWAIT, MT_DATA); if (m == NULL) { TULIP_CSR_WRITE(sc, csr_gp_timer, 100000000 / 204800); /* 100 ms */ break; } /* * Construct a LLC TEST message which will point to ourselves. */ bcopy(sc->tulip_hwaddr, mtod(m, struct ether_header *)->ether_dhost, 6); bcopy(sc->tulip_hwaddr, mtod(m, struct ether_header *)->ether_shost, 6); 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; /* LLC Class1 TEST (no poll) */ m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; /* * send it! */ sc->tulip_flags &= ~TULIP_TXPROBE_OK; IF_PREPEND(&sc->tulip_if.if_snd, m); tulip_ifstart(&sc->tulip_if); break; } sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; } /* * Take 2 passes through before deciding to not * wait for receive activity. Then take another * two passes before spitting out a warning. */ if (sc->tulip_gpticks > 0 && --sc->tulip_gpticks == 0) { if (sc->tulip_flags & TULIP_WANTRXACT) { sc->tulip_flags &= ~TULIP_WANTRXACT; sc->tulip_gpticks = 4; } else { printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", TULIP_PRINTF_ARGS); } } /* * Since this media failed to probe, try the other one. */ if (sc->tulip_probe_state == TULIP_PROBE_AUI) { sc->tulip_probe_state = TULIP_PROBE_BNC; TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); DELAY(50); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_DC21041_SIACONN_BNC); TULIP_CSR_WRITE(sc, csr_sia_tx_rx, TULIP_DC21041_SIATXRX_BNC); TULIP_CSR_WRITE(sc, csr_sia_general, TULIP_DC21041_SIAGEN_BNC|TULIP_DC21041_SIAGEN_WATCHDOG); DELAY(50); TULIP_CSR_WRITE(sc, csr_gp_timer, 100000000 / 204800); /* 100 ms */ } else { sc->tulip_probe_state = TULIP_PROBE_AUI; TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); DELAY(50); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_DC21041_SIACONN_AUI); TULIP_CSR_WRITE(sc, csr_sia_tx_rx, TULIP_DC21041_SIATXRX_AUI); TULIP_CSR_WRITE(sc, csr_sia_general, TULIP_DC21041_SIAGEN_AUI|TULIP_DC21041_SIAGEN_WATCHDOG); DELAY(50); TULIP_CSR_WRITE(sc, csr_gp_timer, 100000000 / 204800); /* 100 ms */ } break; } } } else { /* * If the link has passed LinkPass, 10baseT is the * proper media to use. */ if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { if (sc->tulip_media != TULIP_MEDIA_10BASET_FD) { sc->tulip_media = TULIP_MEDIA_10BASET_FD; sc->tulip_flags |= TULIP_PRINTMEDIA; sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; } } else { if (sc->tulip_media != TULIP_MEDIA_10BASET) { sc->tulip_media = TULIP_MEDIA_10BASET; sc->tulip_flags |= TULIP_PRINTMEDIA; sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; } } if (sc->tulip_media != TULIP_MEDIA_10BASET || (sc->tulip_flags & TULIP_INRESET)) { sc->tulip_media = TULIP_MEDIA_10BASET; TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); DELAY(50); TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_DC21041_SIACONN_10BASET); if (sc->tulip_cmdmode & TULIP_CMD_FULLDUPLEX) TULIP_CSR_WRITE(sc, csr_sia_tx_rx, TULIP_DC21041_SIATXRX_10BASET_FD); else TULIP_CSR_WRITE(sc, csr_sia_tx_rx, TULIP_DC21041_SIATXRX_10BASET); TULIP_CSR_WRITE(sc, csr_sia_general, TULIP_DC21041_SIAGEN_10BASET|TULIP_DC21041_SIAGEN_WATCHDOG); DELAY(50); } TULIP_CSR_WRITE(sc, csr_gp_timer, 0); /* disable */ sc->tulip_gpticks = 1; sc->tulip_probe_state = TULIP_PROBE_10BASET; sc->tulip_intrmask &= ~TULIP_STS_GPTIMEOUT; sc->tulip_flags |= TULIP_LINKUP; sc->tulip_flags &= ~(TULIP_TXPROBE_OK|TULIP_TXPROBE_ACTIVE); sc->tulip_if.if_flags &= ~IFF_OACTIVE; TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } if (sc->tulip_flags & TULIP_DEVICEPROBE) { sc->tulip_flags |= TULIP_FAKEGPTIMEOUT; } else { TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); sc->tulip_flags &= ~TULIP_FAKEGPTIMEOUT; } } static const tulip_boardsw_t tulip_dc21041_boardsw = { TULIP_DC21041_GENERIC, "", tulip_dc21041_media_probe, tulip_dc21041_media_select }; static void tulip_reset( tulip_softc_t * const sc) { tulip_ringinfo_t *ri; tulip_desc_t *di; /* * Brilliant. Simply brilliant. When switching modes/speeds * on a DC2114*, you need to set the appriopriate MII/PCS/SCL/PS * bits in CSR6 and then do a software reset to get the DC21140 * to properly reset its internal pathways to the right places. * Grrrr. */ if (sc->tulip_boardsw->bd_media_preset != NULL) (*sc->tulip_boardsw->bd_media_preset)(sc); TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 33MHz that comes to two microseconds but wait a bit longer anyways) */ sc->tulip_flags |= TULIP_INRESET; sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); sc->tulip_intrmask = 0; TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); TULIP_CSR_WRITE(sc, csr_busmode, (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) |TULIP_BUSMODE_CACHE_ALIGN8 |(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_BIGENDIAN : 0)); sc->tulip_gpticks = 0; sc->tulip_txtimer = 0; sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; sc->tulip_if.if_flags &= ~IFF_OACTIVE; /* * Free all the mbufs that were on the transmit ring. */ for (;;) { struct mbuf *m; IF_DEQUEUE(&sc->tulip_txq, m); if (m == NULL) break; m_freem(m); } ri = &sc->tulip_txinfo; ri->ri_nextin = ri->ri_nextout = ri->ri_first; ri->ri_free = ri->ri_max; for (di = ri->ri_first; di < ri->ri_last; di++) di->d_status = 0; /* * We need to collect all the mbufs were on the * receive ring before we reinit it either to put * them back on or to know if we have to allocate * more. */ ri = &sc->tulip_rxinfo; ri->ri_nextin = ri->ri_nextout = ri->ri_first; ri->ri_free = ri->ri_max; for (di = ri->ri_first; di < ri->ri_last; di++) { di->d_status = 0; di->d_length1 = 0; di->d_addr1 = 0; di->d_length2 = 0; di->d_addr2 = 0; } for (;;) { struct mbuf *m; IF_DEQUEUE(&sc->tulip_rxq, m); if (m == NULL) break; m_freem(m); } (*sc->tulip_boardsw->bd_media_select)(sc); #ifdef TULIP_DEBUG if ((sc->tulip_flags & (TULIP_DEVICEPROBE|TULIP_NEEDRESET)) == TULIP_NEEDRESET) printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", TULIP_PRINTF_ARGS); #endif if ((sc->tulip_flags & (TULIP_LINKUP|TULIP_PRINTMEDIA)) == (TULIP_LINKUP|TULIP_PRINTMEDIA)) { printf(TULIP_PRINTF_FMT ": enabling %s port\n", TULIP_PRINTF_ARGS, tulip_mediums[sc->tulip_media]); sc->tulip_flags &= ~TULIP_PRINTMEDIA; } if (sc->tulip_chipid == TULIP_DC21041) TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED |TULIP_STS_TXBABBLE|TULIP_STS_LINKFAIL|TULIP_STS_RXSTOPPED; sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET |TULIP_RXACT); tulip_addr_filter(sc); } static void tulip_init( tulip_softc_t * const sc) { if (sc->tulip_if.if_flags & IFF_UP) { sc->tulip_if.if_flags |= IFF_RUNNING; if (sc->tulip_if.if_flags & IFF_PROMISC) { sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; } else { sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; if (sc->tulip_if.if_flags & IFF_ALLMULTI) { sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; } else { sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; } } sc->tulip_cmdmode |= TULIP_CMD_TXRUN; if ((sc->tulip_flags & TULIP_WANTSETUP) == 0) { tulip_rx_intr(sc); sc->tulip_cmdmode |= TULIP_CMD_RXRUN; sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; } else { sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; tulip_ifstart(&sc->tulip_if); } TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } else { tulip_reset(sc); sc->tulip_if.if_flags &= ~IFF_RUNNING; } } static void tulip_rx_intr( tulip_softc_t * const sc) { tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; struct ifnet * const ifp = &sc->tulip_if; int fillok = 1; #ifdef TULIP_DEBUG int cnt = 0; #endif for (;;) { struct ether_header eh; tulip_desc_t *eop = ri->ri_nextin; int total_len = 0, last_offset = 0; struct mbuf *ms = NULL, *me = NULL; int accept = 0; if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) goto queue_mbuf; #ifdef TULIP_DEBUG if (cnt == ri->ri_max) { sc->tulip_dbg.dbg_rxintrs++; sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; return; } #endif if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) { #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_rxintrs++; sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; #endif return; } /* * It is possible (though improbable unless the BIG_PACKET support * is enabled or MCLBYTES < 1518) for a received packet to cross * more than one receive descriptor. */ while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { if (++eop == ri->ri_last) eop = ri->ri_first; if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) { #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_rxintrs++; sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; #endif return; } total_len++; } /* * Dequeue the first buffer for the start of the packet. Hopefully this * will be the only one we need to dequeue. However, if the packet consumed * multiple descriptors, then we need to dequeue those buffers and chain to * the starting mbuf. All buffers but the last buffer have the same length * so we can set that now. (we add to last_offset instead of multiplying * since we normally won't go into the loop and thereby saving a ourselves * from doing a multiplication by 0 in the normal case). */ IF_DEQUEUE(&sc->tulip_rxq, ms); for (me = ms; total_len > 0; total_len--) { me->m_len = TULIP_RX_BUFLEN; last_offset += TULIP_RX_BUFLEN; IF_DEQUEUE(&sc->tulip_rxq, me->m_next); me = me->m_next; } /* * Now get the size of received packet (minus the CRC). */ total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; if ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 #ifdef BIG_PACKET || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| TULIP_DSTS_RxOVERFLOW)) == 0) #endif ) { me->m_len = total_len - last_offset; eh = *mtod(ms, struct ether_header *); #if NBPFILTER > 0 if (sc->tulip_bpf != NULL) if (me == ms) TULIP_BPF_TAP(sc, mtod(ms, caddr_t), total_len); else TULIP_BPF_MTAP(sc, ms); #endif if ((sc->tulip_if.if_flags & IFF_PROMISC) && (eh.ether_dhost[0] & 1) == 0 && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_ac.ac_enaddr)) goto next; accept = 1; sc->tulip_flags |= TULIP_RXACT; total_len -= sizeof(struct ether_header); } else { ifp->if_ierrors++; if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; } else { const char *error = NULL; if (eop->d_status & TULIP_DSTS_RxTOOLONG) { sc->tulip_dot3stats.dot3StatsFrameTooLongs++; error = "frame too long"; } if (eop->d_status & TULIP_DSTS_RxBADCRC) { if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { sc->tulip_dot3stats.dot3StatsAlignmentErrors++; error = "alignment error"; } else { sc->tulip_dot3stats.dot3StatsFCSErrors++; error = "bad crc"; } } if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { printf(TULIP_PRINTF_FMT ": receive: " TULIP_EADDR_FMT ": %s\n", TULIP_PRINTF_ARGS, TULIP_EADDR_ARGS(mtod(ms, u_char *) + 6), error); sc->tulip_flags |= TULIP_NOMESSAGES; } } } next: #ifdef TULIP_DEBUG cnt++; #endif ifp->if_ipackets++; if (++eop == ri->ri_last) eop = ri->ri_first; ri->ri_nextin = eop; queue_mbuf: /* * Either we are priming the TULIP with mbufs (m == NULL) * or we are about to accept an mbuf for the upper layers * so we need to allocate an mbuf to replace it. If we * can't replace it, send up it anyways. This may cause * us to drop packets in the future but that's better than * being caught in livelock. * * Note that if this packet crossed multiple descriptors * we don't even try to reallocate all the mbufs here. * Instead we rely on the test of the beginning of * the loop to refill for the extra consumed mbufs. */ if (accept || ms == NULL) { struct mbuf *m0; MGETHDR(m0, M_DONTWAIT, MT_DATA); if (m0 != NULL) { #if defined(TULIP_COPY_RXDATA) if (!accept || total_len >= MHLEN) { #endif MCLGET(m0, M_DONTWAIT); if ((m0->m_flags & M_EXT) == 0) { m_freem(m0); m0 = NULL; } #if defined(TULIP_COPY_RXDATA) } #endif } if (accept) { #if defined(__bsdi__) eh.ether_type = ntohs(eh.ether_type); #endif #if !defined(TULIP_COPY_RXDATA) ms->m_data += sizeof(struct ether_header); ms->m_len -= sizeof(struct ether_header); ms->m_pkthdr.len = total_len; ms->m_pkthdr.rcvif = ifp; ether_input(ifp, &eh, ms); #else #ifdef BIG_PACKET #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA #endif if (ms == me) bcopy(mtod(ms, caddr_t) + sizeof(struct ether_header), mtod(m0, caddr_t), total_len); else m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); m0->m_len = m0->m_pkthdr.len = total_len; m0->m_pkthdr.rcvif = ifp; ether_input(ifp, &eh, m0); m0 = ms; #endif } ms = m0; } if (ms == NULL) { /* * Couldn't allocate a new buffer. Don't bother * trying to replenish the receive queue. */ fillok = 0; sc->tulip_flags |= TULIP_RXBUFSLOW; #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_rxlowbufs++; #endif continue; } /* * Now give the buffer(s) to the TULIP and save in our * receive queue. */ do { ri->ri_nextout->d_length1 = TULIP_RX_BUFLEN; ri->ri_nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); ri->ri_nextout->d_status = TULIP_DSTS_OWNER; if (++ri->ri_nextout == ri->ri_last) ri->ri_nextout = ri->ri_first; me = ms->m_next; ms->m_next = NULL; IF_ENQUEUE(&sc->tulip_rxq, ms); } while ((ms = me) != NULL); if (sc->tulip_rxq.ifq_len == TULIP_RXQ_TARGET) sc->tulip_flags &= ~TULIP_RXBUFSLOW; } } static int tulip_tx_intr( tulip_softc_t * const sc) { tulip_ringinfo_t * const ri = &sc->tulip_txinfo; struct mbuf *m; int xmits = 0; while (ri->ri_free < ri->ri_max) { if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) break; if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxLASTSEG) { if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxSETUPPKT) { /* * We've just finished processing a setup packet. * Mark that we can finished it. If there's not * another pending, startup the TULIP receiver. * Make sure we ack the RXSTOPPED so we won't get * an abormal interrupt indication. */ sc->tulip_flags &= ~TULIP_DOINGSETUP; if ((sc->tulip_flags & TULIP_WANTSETUP) == 0 && (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) { tulip_rx_intr(sc); sc->tulip_cmdmode |= TULIP_CMD_RXRUN; sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); } } else { tulip_desc_t * eop = ri->ri_nextin; IF_DEQUEUE(&sc->tulip_txq, m); m_freem(m); xmits++; if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { if ((eop->d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) == 0) sc->tulip_flags |= TULIP_TXPROBE_OK; (*sc->tulip_boardsw->bd_media_select)(sc); if (sc->tulip_chipid == TULIP_DC21041) TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); } else { if (eop->d_status & TULIP_DSTS_ERRSUM) { sc->tulip_if.if_oerrors++; if (eop->d_status & TULIP_DSTS_TxEXCCOLL) sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; if (eop->d_status & TULIP_DSTS_TxLATECOLL) sc->tulip_dot3stats.dot3StatsLateCollisions++; if (eop->d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; if (eop->d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; } else { tulip_uint32_t collisions = (eop->d_status & TULIP_DSTS_TxCOLLMASK) >> TULIP_DSTS_V_TxCOLLCNT; sc->tulip_if.if_collisions += collisions; if (collisions == 1) sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; else if (collisions > 1) sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; else if (eop->d_status & TULIP_DSTS_TxDEFERRED) sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; /* * SQE is only valid for 10baseT/BNC/AUI when not * running in full-duplex. In order to speed up the * test, the corresponding bit in tulip_flags needs to * set as well to get us to count SQE Test Errors. */ if (eop->d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) sc->tulip_dot3stats.dot3StatsSQETestErrors++; } } } } if (++ri->ri_nextin == ri->ri_last) ri->ri_nextin = ri->ri_first; ri->ri_free++; sc->tulip_if.if_flags &= ~IFF_OACTIVE; } /* * If nothing left to transmit, disable the timer. * Else if progress, reset the timer back to 2 ticks. */ if (ri->ri_free == ri->ri_max) sc->tulip_txtimer = 0; else if (xmits > 0) sc->tulip_txtimer = 2; sc->tulip_if.if_opackets += xmits; return xmits; } static ifnet_ret_t tulip_ifstart( struct ifnet * const ifp) { tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); struct ifqueue * const ifq = &ifp->if_snd; tulip_ringinfo_t * const ri = &sc->tulip_txinfo; struct mbuf *m, *m0, *next_m0; if ((ifp->if_flags & IFF_RUNNING) == 0 && (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) return; for (;;) { tulip_desc_t *eop, *nextout; int segcnt, free, recopy; tulip_uint32_t d_status; if (sc->tulip_flags & TULIP_WANTSETUP) { if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { ifp->if_flags |= IFF_OACTIVE; return; } bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf)); sc->tulip_flags &= ~TULIP_WANTSETUP; sc->tulip_flags |= TULIP_DOINGSETUP; ri->ri_free--; ri->ri_nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; if (sc->tulip_flags & TULIP_WANTHASH) ri->ri_nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; ri->ri_nextout->d_length1 = sizeof(sc->tulip_setupbuf); ri->ri_nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); ri->ri_nextout->d_length2 = 0; ri->ri_nextout->d_addr2 = 0; ri->ri_nextout->d_status = TULIP_DSTS_OWNER; TULIP_CSR_WRITE(sc, csr_txpoll, 1); /* * Advance the ring for the next transmit packet. */ if (++ri->ri_nextout == ri->ri_last) ri->ri_nextout = ri->ri_first; /* * Make sure the next descriptor is owned by us since it * may have been set up above if we ran out of room in the * ring. */ ri->ri_nextout->d_status = 0; } IF_DEQUEUE(ifq, m); if (m == NULL) break; /* * Now we try to fill in our transmit descriptors. This is * a bit reminiscent of going on the Ark two by two * since each descriptor for the TULIP can describe * two buffers. So we advance through packet filling * each of the two entries at a time to to fill each * descriptor. Clear the first and last segment bits * in each descriptor (actually just clear everything * but the end-of-ring or chain bits) to make sure * we don't get messed up by previously sent packets. * * We may fail to put the entire packet on the ring if * there is either not enough ring entries free or if the * packet has more than MAX_TXSEG segments. In the former * case we will just wait for the ring to empty. In the * latter case we have to recopy. */ d_status = 0; recopy = 0; eop = nextout = ri->ri_nextout; m0 = m; segcnt = 0; free = ri->ri_free; do { int len = m0->m_len; caddr_t addr = mtod(m0, caddr_t); unsigned clsize = CLBYTES - (((u_long) addr) & (CLBYTES-1)); next_m0 = m0->m_next; while (len > 0) { unsigned slen = min(len, clsize); #ifdef BIG_PACKET int partial = 0; if (slen >= 2048) slen = 2040, partial = 1; #endif segcnt++; if (segcnt > TULIP_MAX_TXSEG) { recopy = 1; next_m0 = NULL; /* to break out of outside loop */ break; } if (segcnt & 1) { if (--free == 0) { /* * There's no more room but since nothing * has been committed at this point, just * show output is active, put back the * mbuf and return. */ ifp->if_flags |= IFF_OACTIVE; IF_PREPEND(ifq, m); return; } eop = nextout; if (++nextout == ri->ri_last) nextout = ri->ri_first; eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; eop->d_status = d_status; eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); eop->d_length1 = slen; } else { /* * Fill in second half of descriptor */ eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); eop->d_length2 = slen; } d_status = TULIP_DSTS_OWNER; len -= slen; addr += slen; #ifdef BIG_PACKET if (partial) continue; #endif clsize = CLBYTES; } } while ((m0 = next_m0) != NULL); /* * The packet exceeds the number of transmit buffer * entries that we can use for one packet, so we have * recopy it into one mbuf and then try again. */ if (recopy) { MGETHDR(m0, M_DONTWAIT, MT_DATA); if (m0 != NULL) { if (m->m_pkthdr.len > MHLEN) { MCLGET(m0, M_DONTWAIT); if ((m0->m_flags & M_EXT) == 0) { m_freem(m); m_freem(m0); continue; } } m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; IF_PREPEND(ifq, m0); } m_freem(m); continue; } /* * The descriptors have been filled in. Now get ready * to transmit. */ #if NBPFILTER > 0 if (sc->tulip_bpf != NULL) TULIP_BPF_MTAP(sc, m); #endif IF_ENQUEUE(&sc->tulip_txq, m); /* * Make sure the next descriptor after this packet is owned * by us since it may have been set up above if we ran out * of room in the ring. */ nextout->d_status = 0; /* * If we only used the first segment of the last descriptor, * make sure the second segment will not be used. */ if (segcnt & 1) { eop->d_addr2 = 0; eop->d_length2 = 0; } /* * Mark the last and first segments, indicate we want a transmit * complete interrupt, give the descriptors to the TULIP, and tell * it to transmit! */ eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; /* * Note that ri->ri_nextout is still the start of the packet * and until we set the OWNER bit, we can still back out of * everything we have done. */ ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; ri->ri_nextout->d_status = TULIP_DSTS_OWNER; /* * This advances the ring for us. */ ri->ri_nextout = nextout; ri->ri_free = free; TULIP_CSR_WRITE(sc, csr_txpoll, 1); if (sc->tulip_txtimer == 0) sc->tulip_txtimer = 2; } if (m != NULL) { ifp->if_flags |= IFF_OACTIVE; IF_PREPEND(ifq, m); } } static void tulip_print_abnormal_interrupt( tulip_softc_t * const sc, tulip_uint32_t csr) { const char * const *msgp = tulip_status_bits; const char *sep; csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); for (sep = " "; csr != 0; csr >>= 1, msgp++) { if ((csr & 1) && *msgp != NULL) { printf("%s%s", sep, *msgp); sep = ", "; } } printf("\n"); } static tulip_intrfunc_t tulip_intr( void *arg) { tulip_softc_t * sc = (tulip_softc_t *) arg; tulip_uint32_t csr; #if !defined(TULIP_VOID_INTRFUNC) int progress = 0; #endif do { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_intrs++; #endif while ((csr = TULIP_CSR_READ(sc, csr_status)) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR)) { #if !defined(TULIP_VOID_INTRFUNC) progress = 1; #endif TULIP_CSR_WRITE(sc, csr_status, csr); if (csr & TULIP_STS_SYSERROR) { sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; if (sc->tulip_flags & TULIP_NOMESSAGES) { sc->tulip_flags |= TULIP_SYSTEMERROR; } else { printf(TULIP_PRINTF_FMT ": system error: %s\n", TULIP_PRINTF_ARGS, tulip_system_errors[sc->tulip_last_system_error]); } sc->tulip_flags |= TULIP_NEEDRESET; sc->tulip_system_errors++; break; } if (csr & (TULIP_STS_GPTIMEOUT|TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL)) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_gpintrs++; #endif if (sc->tulip_chipid == TULIP_DC21041) { (*sc->tulip_boardsw->bd_media_select)(sc); if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL)) csr &= ~TULIP_STS_ABNRMLINTR; TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); } else if (sc->tulip_chipid == TULIP_DC21140 || sc->tulip_chipid == TULIP_DC21140A) { (*sc->tulip_boardsw->bd_media_select)(sc); csr &= ~(TULIP_STS_ABNRMLINTR|TULIP_STS_GPTIMEOUT); } if ((sc->tulip_flags & (TULIP_LINKUP|TULIP_PRINTMEDIA)) == (TULIP_LINKUP|TULIP_PRINTMEDIA)) { printf(TULIP_PRINTF_FMT ": enabling %s port\n", TULIP_PRINTF_ARGS, tulip_mediums[sc->tulip_media]); sc->tulip_flags &= ~TULIP_PRINTMEDIA; } } if (csr & TULIP_STS_ABNRMLINTR) { tulip_uint32_t tmp = csr & sc->tulip_intrmask & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); if (sc->tulip_flags & TULIP_NOMESSAGES) { sc->tulip_statusbits |= tmp; } else { tulip_print_abnormal_interrupt(sc, tmp); sc->tulip_flags |= TULIP_NOMESSAGES; } TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { tulip_rx_intr(sc); if (csr & TULIP_STS_RXNOBUF) sc->tulip_dot3stats.dot3StatsMissedFrames += TULIP_CSR_READ(sc, csr_missed_frames) & 0xFFFF; } if (sc->tulip_txinfo.ri_free < sc->tulip_txinfo.ri_max) { tulip_tx_intr(sc); tulip_ifstart(&sc->tulip_if); } } if (sc->tulip_flags & TULIP_NEEDRESET) { tulip_reset(sc); tulip_init(sc); } } while ((sc = sc->tulip_slaves) != NULL); #if !defined(TULIP_VOID_INTRFUNC) return progress; #endif } /* * */ static void tulip_delay_300ns( tulip_softc_t * const sc) { int idx; for (idx = (300 / 33) + 1; idx > 0; idx--) TULIP_CSR_READ(sc, csr_busmode); } #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) static void tulip_idle_srom( tulip_softc_t * const sc) { unsigned bit, csr; csr = SROMSEL ; EMIT; csr = SROMSEL | SROMRD; EMIT; csr ^= SROMCS; EMIT; csr ^= SROMCLKON; EMIT; /* * Write 25 cycles of 0 which will force the SROM to be idle. */ for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ csr ^= SROMCLKON; EMIT; /* clock high; data valid */ } csr ^= SROMCLKOFF; EMIT; csr ^= SROMCS; EMIT; csr = 0; EMIT; } static void tulip_read_srom( tulip_softc_t * const sc) { int idx; const unsigned bitwidth = SROM_BITWIDTH; const unsigned cmdmask = (SROMCMD_RD << bitwidth); const unsigned msb = 1 << (bitwidth + 3 - 1); unsigned lastidx = (1 << bitwidth) - 1; tulip_idle_srom(sc); for (idx = 0; idx <= lastidx; idx++) { unsigned lastbit, data, bits, bit, csr; csr = SROMSEL ; EMIT; csr = SROMSEL | SROMRD; EMIT; csr ^= SROMCSON; EMIT; csr ^= SROMCLKON; EMIT; lastbit = 0; for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { const unsigned thisbit = bits & msb; csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ if (thisbit != lastbit) { csr ^= SROMDOUT; EMIT; /* clock low; invert data */ } else { EMIT; } csr ^= SROMCLKON; EMIT; /* clock high; data valid */ lastbit = thisbit; } csr ^= SROMCLKOFF; EMIT; for (data = 0, bits = 0; bits < 16; bits++) { data <<= 1; csr ^= SROMCLKON; EMIT; /* clock high; data valid */ data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ } sc->tulip_rombuf[idx*2] = data & 0xFF; sc->tulip_rombuf[idx*2+1] = data >> 8; csr = SROMSEL | SROMRD; EMIT; csr = 0; EMIT; } tulip_idle_srom(sc); } #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) static void tulip_mii_sendbits( tulip_softc_t * const sc, unsigned data, unsigned bits) { unsigned msb = 1 << (bits - 1); unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); unsigned lastbit = (csr & MII_DOUT) ? msb : 0; csr |= MII_WR; MII_EMIT; /* clock low; assert write */ for (; bits > 0; bits--, data <<= 1) { const unsigned thisbit = data & msb; if (thisbit != lastbit) { csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ } csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ lastbit = thisbit; csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ } } static void tulip_mii_turnaround( tulip_softc_t * const sc, unsigned cmd) { unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); if (cmd == MII_WRCMD) { csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ } else { csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ } csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ } static unsigned tulip_mii_readbits( tulip_softc_t * const sc) { unsigned data; unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); int idx; for (idx = 0, data = 0; idx < 16; idx++) { data <<= 1; /* this is NOOP on the first pass through */ csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) data |= 1; csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ } csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ return data; } static unsigned tulip_mii_readreg( tulip_softc_t * const sc, unsigned devaddr, unsigned regno) { unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); unsigned data; csr &= ~(MII_RD|MII_CLK); MII_EMIT; tulip_mii_sendbits(sc, MII_PREAMBLE, 32); tulip_mii_sendbits(sc, MII_RDCMD, 8); tulip_mii_sendbits(sc, devaddr, 5); tulip_mii_sendbits(sc, regno, 5); tulip_mii_turnaround(sc, MII_RDCMD); data = tulip_mii_readbits(sc); #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_phyregs[regno][0] = data; sc->tulip_dbg.dbg_phyregs[regno][1]++; #endif return data; } static void tulip_mii_writereg( tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data) { unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); csr &= ~(MII_RD|MII_CLK); MII_EMIT; tulip_mii_sendbits(sc, MII_PREAMBLE, 32); tulip_mii_sendbits(sc, MII_WRCMD, 8); tulip_mii_sendbits(sc, devaddr, 5); tulip_mii_sendbits(sc, regno, 5); tulip_mii_turnaround(sc, MII_WRCMD); tulip_mii_sendbits(sc, data, 16); #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_phyregs[regno][2] = data; sc->tulip_dbg.dbg_phyregs[regno][3]++; #endif } #define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) #define tulip_srom_crcok(databuf) ( \ ((tulip_crc32(databuf, 126) & 0xFFFF) ^ 0xFFFF)== \ ((databuf)[126] | ((databuf)[127] << 8))) static unsigned tulip_crc32( const unsigned char *databuf, size_t datalen) { u_int idx, bit, data, crc = 0xFFFFFFFFUL; for (idx = 0; idx < datalen; idx++) for (data = *databuf++, bit = 0; bit < 8; bit++, data >>= 1) crc = (crc >> 1) ^ (((crc ^ data) & 1) ? TULIP_CRC32_POLY : 0); return crc; } static void tulip_identify_smc_nic( tulip_softc_t *sc) { tulip_uint32_t id1, id2, ei; int auibnc = 0, utp = 0; char *cp; if (sc->tulip_chipid == TULIP_DC21041) return; if (sc->tulip_chipid == TULIP_DC21140) { sc->tulip_boardsw = &tulip_dc21140_smc9332_boardsw; return; } id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); strcpy(sc->tulip_boardidbuf, "SMC 8432"); cp = &sc->tulip_boardidbuf[8]; if ((id1 & 1) == 0) *cp++ = 'B', auibnc = 1; if ((id1 & 0xFF) > 0x32) *cp++ = 'T', utp = 1; if ((id1 & 0x4000) == 0) *cp++ = 'A', auibnc = 1; if (id2 == 0x15) { sc->tulip_boardidbuf[7] = '4'; *cp++ = '-'; *cp++ = 'C'; *cp++ = 'H'; *cp++ = (ei ? '2' : '1'); } *cp++ = ' '; *cp = '\0'; if (utp && !auibnc) sc->tulip_boardsw = &tulip_dc21040_10baset_only_boardsw; else if (!utp && auibnc) sc->tulip_boardsw = &tulip_dc21040_auibnc_only_boardsw; } /* * This deals with the vagaries of the address roms and the * brain-deadness that various vendors commit in using them. */ static int tulip_read_macaddr( tulip_softc_t *sc) { int cksum, rom_cksum, idx; tulip_uint32_t csr; unsigned char tmpbuf[8]; static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; if (sc->tulip_chipid == TULIP_DC21040) { TULIP_CSR_WRITE(sc, csr_enetrom, 1); for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { int cnt = 0; while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) cnt++; sc->tulip_rombuf[idx] = csr & 0xFF; } sc->tulip_boardsw = &tulip_dc21040_boardsw; #if defined(TULIP_EISA) } else if (sc->tulip_chipid == TULIP_DE425) { int cnt; for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) { tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); if (tmpbuf[idx] == testpat[idx]) ++idx; else idx = 0; } for (idx = 0; idx < 32; idx++) sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); sc->tulip_boardsw = &tulip_dc21040_boardsw; #endif /* TULIP_EISA */ } else { int new_srom_fmt = 0; /* * Thankfully all DC21041's act the same. * Assume all DC21140 board are compatible with the * DEC 10/100 evaluation board. Not really valid but * it's the best we can do until every one switches to * the new SROM format. */ if (sc->tulip_chipid == TULIP_DC21041) sc->tulip_boardsw = &tulip_dc21041_boardsw; else sc->tulip_boardsw = &tulip_dc21140_eb_boardsw; tulip_read_srom(sc); if (tulip_srom_crcok(sc->tulip_rombuf)) { /* * SROM CRC is valid therefore it must be in the * new format. */ new_srom_fmt = 1; } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { /* * No checksum is present. See if the SROM id checks out; * the first 18 bytes should be 0 followed by a 1 followed * by the number of adapters (which we don't deal with yet). */ for (idx = 0; idx < 18; idx++) { if (sc->tulip_rombuf[idx] != 0) break; } if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) new_srom_fmt = 2; } if (new_srom_fmt) { int copy_name = 0; /* * New SROM format. Copy out the Ethernet address. * If it contains a DE500-XA string, then it must be * a DE500-XA. */ bcopy(sc->tulip_rombuf + 20, sc->tulip_hwaddr, 6); if (bcmp(sc->tulip_rombuf + 29, "DE500-XA", 8) == 0) { sc->tulip_boardsw = &tulip_dc21140_de500xa_boardsw; copy_name = 1; } else if (bcmp(sc->tulip_rombuf + 29, "DE500-AA", 8) == 0) { sc->tulip_boardsw = &tulip_dc21140_de500aa_boardsw; copy_name = 1; } else if (bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { copy_name = 1; } if (copy_name) { bcopy(sc->tulip_rombuf + 29, sc->tulip_boardidbuf, 8); sc->tulip_boardidbuf[8] = ' '; sc->tulip_boardid = sc->tulip_boardidbuf; } if (sc->tulip_boardsw == NULL) return -6; goto check_oui; } } if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { /* * Some folks don't use the standard ethernet rom format * but instead just put the address in the first 6 bytes * of the rom and let the rest be all 0xffs. (Can we say * ZNYX???) (well sometimes they put in a checksum so we'll * start at 8). */ for (idx = 8; idx < 32; idx++) { if (sc->tulip_rombuf[idx] != 0xFF) return -4; } /* * Make sure the address is not multicast or locally assigned * that the OUI is not 00-00-00. */ if ((sc->tulip_rombuf[0] & 3) != 0) return -4; if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 && sc->tulip_rombuf[2] == 0) return -4; bcopy(sc->tulip_rombuf, sc->tulip_hwaddr, 6); sc->tulip_flags |= TULIP_ROMOK; goto check_oui; } else { /* * A number of makers of multiport boards (ZNYX and Cogent) * only put on one address ROM on their DC21040 boards. So * if the ROM is all zeros and this is a DC21040, look at the * previous configured boards (as long as they are on the same * PCI bus and the bus number is non-zero) until we find the * master board with address ROM. We then use its address ROM * as the base for this board. (we add our relative board * to the last byte of its address). */ if (sc->tulip_chipid == TULIP_DC21040 /* && sc->tulip_bus != 0 XXX */) { for (idx = 0; idx < 32; idx++) { if (sc->tulip_rombuf[idx] != 0) break; } if (idx == 32) { int root_unit; tulip_softc_t *root_sc = NULL; for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { root_sc = TULIP_UNIT_TO_SOFTC(root_unit); if (root_sc == NULL || (root_sc->tulip_flags & (TULIP_ROMOK|TULIP_SLAVEDROM)) == TULIP_ROMOK) break; root_sc = NULL; } if (root_sc != NULL /* && root_sc->tulip_bus == sc->tulip_bus XXX */) { bcopy(root_sc->tulip_hwaddr, sc->tulip_hwaddr, 6); sc->tulip_hwaddr[5] += sc->tulip_unit - root_sc->tulip_unit; sc->tulip_flags |= TULIP_SLAVEDROM; if (root_sc->tulip_boardsw->bd_type == TULIP_DC21040_ZX314_MASTER) { sc->tulip_boardsw = &tulip_dc21040_zx314_slave_boardsw; /* * Now for a truly disgusting kludge: all 4 DC21040s on * the ZX314 share the same INTA line so the mapping * setup by the BIOS on the PCI bridge is worthless. * Rather than reprogramming the value in the config * register, we will handle this internally. */ sc->tulip_slaves = root_sc->tulip_slaves; root_sc->tulip_slaves = sc; sc->tulip_flags |= TULIP_SLAVEDINTR; } return 0; } } } } /* * This is the standard DEC address ROM test. */ if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) return -3; tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) return -2; bcopy(sc->tulip_rombuf, sc->tulip_hwaddr, 6); cksum = *(u_int16_t *) &sc->tulip_hwaddr[0]; cksum *= 2; if (cksum > 65535) cksum -= 65535; cksum += *(u_int16_t *) &sc->tulip_hwaddr[2]; if (cksum > 65535) cksum -= 65535; cksum *= 2; if (cksum > 65535) cksum -= 65535; cksum += *(u_int16_t *) &sc->tulip_hwaddr[4]; if (cksum >= 65535) cksum -= 65535; rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; if (cksum != rom_cksum) return -1; check_oui: /* * Check for various boards based on OUI. Did I say braindead? */ if (sc->tulip_hwaddr[0] == TULIP_OUI_COGENT_0 && sc->tulip_hwaddr[1] == TULIP_OUI_COGENT_1 && sc->tulip_hwaddr[2] == TULIP_OUI_COGENT_2) { if (sc->tulip_chipid == TULIP_DC21140 || sc->tulip_chipid == TULIP_DC21140A) { if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100_ID) sc->tulip_boardsw = &tulip_dc21140_cogent_em100_boardsw; } } else if (sc->tulip_hwaddr[0] == TULIP_OUI_ZNYX_0 && sc->tulip_hwaddr[1] == TULIP_OUI_ZNYX_1 && sc->tulip_hwaddr[2] == TULIP_OUI_ZNYX_2) { if (sc->tulip_chipid == TULIP_DC21140 || sc->tulip_chipid == TULIP_DC21140A) { /* this at least works for the zx342 from Znyx */ sc->tulip_boardsw = &tulip_dc21140_znyx_zx34x_boardsw; } else if (sc->tulip_chipid == TULIP_DC21040 && (sc->tulip_hwaddr[3] & ~3) == 0xF0 && (sc->tulip_hwaddr[5] & 3) == 0) { sc->tulip_boardsw = &tulip_dc21040_zx314_master_boardsw; } } else if (sc->tulip_hwaddr[0] == TULIP_OUI_SMC_0 && sc->tulip_hwaddr[1] == TULIP_OUI_SMC_1 && sc->tulip_hwaddr[2] == TULIP_OUI_SMC_2) { tulip_identify_smc_nic(sc); } if (sc->tulip_boardidbuf[0] != '\0') sc->tulip_boardid = sc->tulip_boardidbuf; else sc->tulip_boardid = sc->tulip_boardsw->bd_description; sc->tulip_flags |= TULIP_ROMOK; return 0; } static void tulip_addr_filter( tulip_softc_t * const sc) { tulip_uint32_t *sp = sc->tulip_setupdata; struct ether_multistep step; struct ether_multi *enm; int i = 0; sc->tulip_flags &= ~TULIP_WANTHASH; sc->tulip_flags |= TULIP_WANTSETUP; sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; if (sc->tulip_ac.ac_multicnt > 14) { unsigned hash; /* * If we have more than 14 multicasts, we have * go into hash perfect mode (512 bit multicast * hash and one perfect hardware). */ bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); hash = tulip_mchash(etherbroadcastaddr); sp[hash >> 4] |= 1 << (hash & 0xF); ETHER_FIRST_MULTI(step, &sc->tulip_ac, enm); while (enm != NULL) { hash = tulip_mchash(enm->enm_addrlo); sp[hash >> 4] |= 1 << (hash & 0xF); ETHER_NEXT_MULTI(step, enm); } sc->tulip_flags |= TULIP_WANTHASH; sp[39] = ((u_int16_t *) sc->tulip_ac.ac_enaddr)[0]; sp[40] = ((u_int16_t *) sc->tulip_ac.ac_enaddr)[1]; sp[41] = ((u_int16_t *) sc->tulip_ac.ac_enaddr)[2]; } else { /* * Else can get perfect filtering for 16 addresses. */ ETHER_FIRST_MULTI(step, &sc->tulip_ac, enm); for (; enm != NULL; i++) { *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; ETHER_NEXT_MULTI(step, enm); } /* * Add the broadcast address. */ i++; *sp++ = 0xFFFF; *sp++ = 0xFFFF; *sp++ = 0xFFFF; /* * Pad the rest with our hardware address */ for (; i < 16; i++) { *sp++ = ((u_int16_t *) sc->tulip_ac.ac_enaddr)[0]; *sp++ = ((u_int16_t *) sc->tulip_ac.ac_enaddr)[1]; *sp++ = ((u_int16_t *) sc->tulip_ac.ac_enaddr)[2]; } } } static int tulip_ifioctl( struct ifnet * const ifp, ioctl_cmd_t cmd, caddr_t data) { tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); struct ifreq *ifr = (struct ifreq *) data; int s, error = 0; s = splimp(); switch (cmd) { case SIOCSIFADDR: case SIOCGIFADDR: ether_ioctl(ifp, cmd, data); break; case SIOCSIFFLAGS: { /* * Changing the connection forces a reset. */ if (sc->tulip_flags & TULIP_ALTPHYS) { if ((ifp->if_flags & IFF_ALTPHYS) == 0) { sc->tulip_flags |= TULIP_NEEDRESET; } } else { if (ifp->if_flags & IFF_ALTPHYS) { sc->tulip_flags |= TULIP_NEEDRESET; } } if (sc->tulip_flags & TULIP_NEEDRESET) { sc->tulip_media = TULIP_MEDIA_UNKNOWN; sc->tulip_probe_state = TULIP_PROBE_INACTIVE; sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TXPROBE_OK|TULIP_WANTRXACT); tulip_reset(sc); } tulip_init(sc); break; } case SIOCADDMULTI: case SIOCDELMULTI: { /* * Update multicast listeners */ if (cmd == SIOCADDMULTI) error = ether_addmulti(ifr, &sc->tulip_ac); else error = ether_delmulti(ifr, &sc->tulip_ac); if (error == ENETRESET) { tulip_addr_filter(sc); /* reset multicast filtering */ tulip_init(sc); error = 0; } break; } #if defined(SIOCSIFMTU) #if !defined(ifr_mtu) #define ifr_mtu ifr_metric #endif case SIOCSIFMTU: /* * Set the interface MTU. */ if (ifr->ifr_mtu > ETHERMTU #ifdef BIG_PACKET && sc->tulip_chipid != TULIP_DC21140 && sc->tulip_chipid != TULIP_DC21140A && sc->tulip_chipid != TULIP_DC21041 #endif ) { error = EINVAL; break; } ifp->if_mtu = ifr->ifr_mtu; #ifdef BIG_PACKET tulip_reset(sc); tulip_init(sc); #endif break; #endif /* SIOCSIFMTU */ default: { error = EINVAL; break; } } splx(s); return error; } static void tulip_ifwatchdog( struct ifnet *ifp) { tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); #if defined(TULIP_DEBUG) tulip_uint32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; sc->tulip_dbg.dbg_gpintrs_hz = sc->tulip_dbg.dbg_gpintrs; sc->tulip_dbg.dbg_gpintrs = 0; #endif /* TULIP_DEBUG */ sc->tulip_if.if_timer = 1; /* * These should be rare so do a bulk test up front so we can just skip * them if needed. */ if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_FAKEGPTIMEOUT|TULIP_NOMESSAGES)) { /* * This for those devices that need to autosense. Interrupts are not * allowed during device probe so we fake one here to start the * autosense. Do this before the others since it can effect their * state. */ if (sc->tulip_flags & TULIP_FAKEGPTIMEOUT) (*sc->tulip_boardsw->bd_media_select)(sc); /* * If the number of receive buffer is low, try to refill */ if (sc->tulip_flags & TULIP_RXBUFSLOW) tulip_rx_intr(sc); if (sc->tulip_flags & TULIP_SYSTEMERROR) { printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", TULIP_PRINTF_ARGS, sc->tulip_system_errors, tulip_system_errors[sc->tulip_last_system_error]); } if (sc->tulip_statusbits) { tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); sc->tulip_statusbits = 0; } sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); } if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); sc->tulip_media = TULIP_MEDIA_UNKNOWN; sc->tulip_probe_state = TULIP_PROBE_INACTIVE; sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TXPROBE_OK|TULIP_WANTRXACT|TULIP_LINKUP|TULIP_LINKSUSPECT); tulip_reset(sc); tulip_init(sc); } } #if defined(__bsdi__) || (defined(__FreeBSD__) && BSD < 199506) static ifnet_ret_t tulip_ifwatchdog_wrapper( int unit) { tulip_ifwatchdog(&TULIP_UNIT_TO_SOFTC(unit)->tulip_if); } #define tulip_ifwatchdog tulip_ifwatchdog_wrapper #endif /* * All printf's are real as of now! */ #ifdef printf #undef printf #endif #if !defined(IFF_NOTRAILERS) #define IFF_NOTRAILERS 0 #endif static void tulip_attach( tulip_softc_t * const sc) { struct ifnet * const ifp = &sc->tulip_if; ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST; ifp->if_ioctl = tulip_ifioctl; ifp->if_start = tulip_ifstart; ifp->if_watchdog = tulip_ifwatchdog; ifp->if_init = (if_init_f_t*)tulip_init; ifp->if_timer = 1; #if !defined(__bsdi__) || _BSDI_VERSION < 199401 ifp->if_output = ether_output; #endif #if defined(__bsdi__) && _BSDI_VERSION < 199401 ifp->if_mtu = ETHERMTU; #endif #if defined(__bsdi__) && _BSDI_VERSION >= 199510 aprint_naive(": DEC Ethernet"); aprint_normal(": %s%s", sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid]); aprint_verbose(" pass %d.%d", (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); printf("\n"); sc->tulip_pf = aprint_normal; aprint_normal(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", TULIP_PRINTF_ARGS, TULIP_EADDR_ARGS(sc->tulip_hwaddr)); #else printf( #if defined(__bsdi__) "\n" #endif TULIP_PRINTF_FMT ": %s%s pass %d.%d\n", TULIP_PRINTF_ARGS, sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); printf(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", TULIP_PRINTF_ARGS, TULIP_EADDR_ARGS(sc->tulip_hwaddr)); #endif if (sc->tulip_boardsw->bd_mii_probe != NULL) (*sc->tulip_boardsw->bd_mii_probe)(sc); if ((*sc->tulip_boardsw->bd_media_probe)(sc)) { ifp->if_flags |= IFF_ALTPHYS; } else { sc->tulip_flags |= TULIP_ALTPHYS; } sc->tulip_flags |= TULIP_DEVICEPROBE; tulip_reset(sc); sc->tulip_flags &= ~TULIP_DEVICEPROBE; #if defined(__bsdi__) && _BSDI_VERSION >= 199510 sc->tulip_pf = printf; ether_attach(ifp); #else if_attach(ifp); #if defined(__NetBSD__) || (defined(__FreeBSD__) && BSD >= 199506) ether_ifattach(ifp); #endif #endif /* __bsdi__ */ #if NBPFILTER > 0 TULIP_BPF_ATTACH(sc); #endif } static void tulip_initcsrs( tulip_softc_t * const sc, tulip_csrptr_t csr_base, size_t csr_size) { sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; if (sc->tulip_chipid == TULIP_DC21040) { sc->tulip_csrs.csr_enetrom = csr_base + 9 * csr_size; sc->tulip_csrs.csr_reserved = csr_base + 10 * csr_size; sc->tulip_csrs.csr_full_duplex = csr_base + 11 * csr_size; sc->tulip_csrs.csr_sia_status = csr_base + 12 * csr_size; sc->tulip_csrs.csr_sia_connectivity = csr_base + 13 * csr_size; sc->tulip_csrs.csr_sia_tx_rx = csr_base + 14 * csr_size; sc->tulip_csrs.csr_sia_general = csr_base + 15 * csr_size; #if defined(TULIP_EISA) } else if (sc->tulip_chipid == TULIP_DE425) { sc->tulip_csrs.csr_enetrom = csr_base + DE425_ENETROM_OFFSET; sc->tulip_csrs.csr_reserved = csr_base + 10 * csr_size; sc->tulip_csrs.csr_full_duplex = csr_base + 11 * csr_size; sc->tulip_csrs.csr_sia_status = csr_base + 12 * csr_size; sc->tulip_csrs.csr_sia_connectivity = csr_base + 13 * csr_size; sc->tulip_csrs.csr_sia_tx_rx = csr_base + 14 * csr_size; sc->tulip_csrs.csr_sia_general = csr_base + 15 * csr_size; #endif /* TULIP_EISA */ } else if (sc->tulip_chipid == TULIP_DC21140 || sc->tulip_chipid == TULIP_DC21140A) { sc->tulip_csrs.csr_srom_mii = csr_base + 9 * csr_size; sc->tulip_csrs.csr_gp_timer = csr_base + 11 * csr_size; sc->tulip_csrs.csr_gp = csr_base + 12 * csr_size; sc->tulip_csrs.csr_watchdog = csr_base + 15 * csr_size; } else if (sc->tulip_chipid == TULIP_DC21041) { sc->tulip_csrs.csr_srom_mii = csr_base + 9 * csr_size; sc->tulip_csrs.csr_bootrom = csr_base + 10 * csr_size; sc->tulip_csrs.csr_gp_timer = csr_base + 11 * csr_size; sc->tulip_csrs.csr_sia_status = csr_base + 12 * csr_size; sc->tulip_csrs.csr_sia_connectivity = csr_base + 13 * csr_size; sc->tulip_csrs.csr_sia_tx_rx = csr_base + 14 * csr_size; sc->tulip_csrs.csr_sia_general = csr_base + 15 * csr_size; } } static void tulip_initring( tulip_softc_t * const sc, tulip_ringinfo_t * const ri, tulip_desc_t *descs, int ndescs) { ri->ri_max = ndescs; ri->ri_first = descs; ri->ri_last = ri->ri_first + ri->ri_max; bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; } /* * This is the PCI configuration support. Since the DC21040 is available * on both EISA and PCI boards, one must be careful in how defines the * DC21040 in the config file. */ #define PCI_CFID 0x00 /* Configuration ID */ #define PCI_CFCS 0x04 /* Configurtion Command/Status */ #define PCI_CFRV 0x08 /* Configuration Revision */ #define PCI_CFLT 0x0c /* Configuration Latency Timer */ #define PCI_CBIO 0x10 /* Configuration Base IO Address */ #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ #define PCI_CFIT 0x3c /* Configuration Interrupt */ #define PCI_CFDA 0x40 /* Configuration Driver Area */ #if defined(TULIP_EISA) static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 }; #endif #if defined(__FreeBSD__) #define TULIP_PCI_ATTACH_ARGS pcici_t config_id, int unit static int tulip_pci_shutdown( struct kern_devconf * const kdc, int force) { if (kdc->kdc_unit < tulip_count) { tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(kdc->kdc_unit); TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 33MHz that comes to two microseconds but wait a bit longer anyways) */ } (void) dev_detach(kdc); return 0; } static char* tulip_pci_probe( pcici_t config_id, pcidi_t device_id) { if (PCI_VENDORID(device_id) != DEC_VENDORID) return NULL; if (PCI_CHIPID(device_id) == DC21040_CHIPID) return "Digital DC21040 Ethernet"; if (PCI_CHIPID(device_id) == DC21041_CHIPID) return "Digital DC21041 Ethernet"; if (PCI_CHIPID(device_id) == DC21140_CHIPID) { tulip_uint32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; if (revinfo >= 0x20) return "Digital DC21140A Fast Ethernet"; else return "Digital DC21140 Fast Ethernet"; } return NULL; } static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); static u_long tulip_pci_count; struct pci_device dedevice = { "de", tulip_pci_probe, tulip_pci_attach, &tulip_pci_count, tulip_pci_shutdown, }; DATA_SET (pcidevice_set, dedevice); #endif /* __FreeBSD__ */ #if defined(__bsdi__) #define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux static void tulip_shutdown( void *arg) { tulip_softc_t * const sc = (tulip_softc_t *) arg; TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 33MHz that comes to two microseconds but wait a bit longer anyways) */ } static int tulip_pci_match( pci_devaddr_t *pa) { int irq; unsigned id; id = pci_inl(pa, PCI_VENDOR_ID); if (PCI_VENDORID(id) != DEC_VENDORID) return 0; id = PCI_CHIPID(id); if (id != DC21040_CHIPID && id != DC21041_CHIPID && id != DC21140_CHIPID) return 0; irq = pci_inl(pa, PCI_I_LINE) & 0xFF; if (irq == 0 || irq >= 16) { printf("de?: invalid IRQ %d; skipping\n", irq); return 0; } return 1; } static int tulip_probe( struct device *parent, struct cfdata *cf, void *aux) { struct isa_attach_args * const ia = (struct isa_attach_args *) aux; unsigned irq, slot; pci_devaddr_t *pa; #if _BSDI_VERSION >= 199401 switch (ia->ia_bustype) { case BUS_PCI: #endif pa = pci_scan(tulip_pci_match); if (pa == NULL) return 0; irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF)); /* Get the base address; assume the BIOS set it up correctly */ #if defined(TULIP_IOMAPPED) ia->ia_maddr = NULL; ia->ia_msize = 0; ia->ia_iobase = pci_inl(pa, PCI_CBIO) & ~7; pci_outl(pa, PCI_CBIO, 0xFFFFFFFF); ia->ia_iosize = ((~pci_inl(pa, PCI_CBIO)) | 7) + 1; pci_outl(pa, PCI_CBIO, (int) ia->ia_iobase); /* Disable memory space access */ pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~2); #else ia->ia_maddr = (caddr_t) (pci_inl(pa, PCI_CBMA) & ~7); pci_outl(pa, PCI_CBMA, 0xFFFFFFFF); ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1; pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr); ia->ia_iobase = 0; ia->ia_iosize = 0; /* Disable I/O space access */ pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1); #endif /* TULIP_IOMAPPED */ ia->ia_aux = (void *) pa; #if _BSDI_VERSION >= 199401 break; #if defined(TULIP_EISA) case BUS_EISA: { unsigned tmp; if ((slot = eisa_match(cf, ia)) == 0) return 0; ia->ia_iobase = slot << 12; ia->ia_iosize = EISA_NPORT; eisa_slotalloc(slot); tmp = inb(ia->ia_iobase + DE425_CFG0); irq = tulip_eisa_irqs[(tmp >> 1) & 0x03]; /* * Until BSD/OS likes level interrupts, force * the DE425 into edge-triggered mode. */ if ((tmp & 1) == 0) outb(ia->ia_iobase + DE425_CFG0, tmp | 1); /* * CBIO needs to map to the EISA slot * enable I/O access and Master */ outl(ia->ia_iobase + DE425_CBIO, ia->ia_iobase); outl(ia->ia_iobase + DE425_CFCS, 5 | inl(ia->ia_iobase + DE425_CFCS)); ia->ia_aux = NULL; break; } #endif /* TULIP_EISA */ default: return 0; } #endif /* PCI bus masters don't use host DMA channels */ ia->ia_drq = DRQNONE; if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) { printf("de%d: error: desired IRQ of %d does not match device's " "actual IRQ of %d,\n", cf->cf_unit, ffs(ia->ia_irq) - 1, ffs(irq) - 1); return 0; } if (ia->ia_irq == IRQUNK) ia->ia_irq = irq; #ifdef IRQSHARE ia->ia_irq |= IRQSHARE; #endif return 1; } static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); #if defined(TULIP_EISA) static char *tulip_eisa_ids[] = { "DEC4250", NULL }; #endif struct cfdriver decd = { 0, "de", tulip_probe, tulip_pci_attach, #if _BSDI_VERSION >= 199401 DV_IFNET, #endif sizeof(tulip_softc_t), #if defined(TULIP_EISA) tulip_eisa_ids #endif }; #endif /* __bsdi__ */ #if defined(__NetBSD__) #define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux static void tulip_pci_shutdown( void *arg) { tulip_softc_t * const sc = (tulip_softc_t *) arg; TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 33MHz that comes to two microseconds but wait a bit longer anyways) */ } static int tulip_pci_probe( struct device *parent, void *match, void *aux) { struct pci_attach_args *pa = (struct pci_attach_args *) aux; if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) return 0; if (PCI_CHIPID(pa->pa_id) == DC21040_CHIPID || PCI_CHIPID(pa->pa_id) == DC21041_CHIPID || PCI_CHIPID(pa->pa_id) == DC21140_CHIPID) return 1; return 0; } static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); struct cfattach de_ca = { sizeof(tulip_softc_t), tulip_pci_probe, tulip_pci_attach }; struct cfdriver de_cd = { 0, "de", DV_IFNET }; #endif /* __NetBSD__ */ static void tulip_pci_attach( TULIP_PCI_ATTACH_ARGS) { #if defined(__FreeBSD__) tulip_softc_t *sc; #define PCI_CONF_WRITE(r, v) pci_conf_write(config_id, (r), (v)) #define PCI_CONF_READ(r) pci_conf_read(config_id, (r)) #endif #if defined(__bsdi__) tulip_softc_t * const sc = (tulip_softc_t *) self; struct isa_attach_args * const ia = (struct isa_attach_args *) aux; pci_devaddr_t *pa = (pci_devaddr_t *) ia->ia_aux; const int unit = sc->tulip_dev.dv_unit; #define PCI_CONF_WRITE(r, v) pci_outl(pa, (r), (v)) #define PCI_CONF_READ(r) pci_inl(pa, (r)) #endif #if defined(__NetBSD__) tulip_softc_t * const sc = (tulip_softc_t *) self; struct pci_attach_args * const pa = (struct pci_attach_args *) aux; const int unit = sc->tulip_dev.dv_unit; #if defined(TULIP_IOMAPPED) bus_io_addr_t iobase; bus_io_size_t iosize; #else bus_mem_addr_t membase; bus_mem_size_t memsize; #endif #define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) #define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) #endif /* __NetBSD__ */ int retval, idx; tulip_uint32_t revinfo, cfdainfo, id; #if !defined(TULIP_IOMAPPED) && defined(__FreeBSD__) vm_offset_t pa_csrs; #endif unsigned csroffset = TULIP_PCI_CSROFFSET; unsigned csrsize = TULIP_PCI_CSRSIZE; tulip_csrptr_t csr_base; tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; #if defined(__FreeBSD__) if (unit >= tulip_count) { tulip_softc_t **new_tulips = (tulip_softc_t **) malloc((tulip_count + TULIP_COUNTINCR) * sizeof(tulip_softc_t *), M_DEVBUF, M_WAITOK); if (new_tulips == NULL) { printf("de%d: not configured; can't allocate memory\n", unit); return; } if (tulips != NULL) { bcopy(tulips, new_tulips, tulip_count * sizeof(tulips[0])); free(tulips, M_DEVBUF); } bzero(&new_tulips[tulip_count], TULIP_COUNTINCR * sizeof(new_tulips[0])); tulip_count += TULIP_COUNTINCR; tulips = new_tulips; } #endif #if defined(__bsdi__) if (pa != NULL) { revinfo = pci_inl(pa, PCI_CFRV) & 0xFF; id = pci_inl(pa, PCI_CFID); cfdainfo = pci_inl(pa, PCI_CFDA); #if defined(TULIP_EISA) } else { revinfo = inl(ia->ia_iobase + DE425_CFRV) & 0xFF; csroffset = TULIP_EISA_CSROFFSET; csrsize = TULIP_EISA_CSRSIZE; chipid = TULIP_DE425; cfdainfo = 0; #endif } #else /* __bsdi__ */ revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; id = PCI_CONF_READ(PCI_CFID); cfdainfo = PCI_CONF_READ(PCI_CFDA); #endif if (PCI_VENDORID(id) == DEC_VENDORID) { if (PCI_CHIPID(id) == DC21040_CHIPID) chipid = TULIP_DC21040; else if (PCI_CHIPID(id) == DC21140_CHIPID) { chipid = (revinfo >= 0x20) ? TULIP_DC21140A : TULIP_DC21140; } else if (PCI_CHIPID(id) == DC21041_CHIPID) chipid = TULIP_DC21041; } if (chipid == TULIP_CHIPID_UNKNOWN) return; if ((chipid == TULIP_DC21040 || chipid == TULIP_DE425) && revinfo < 0x20) { #ifdef __FreeBSD__ printf("de%d", unit); #endif printf(": not configured; DC21040 pass 2.0 required (%d.%d found)\n", revinfo >> 4, revinfo & 0x0f); return; } else if (chipid == TULIP_DC21140 && revinfo < 0x11) { #ifndef __FreeBSD__ printf("\n"); #endif printf("de%d: not configured; DC21140 pass 1.1 required (%d.%d found)\n", unit, revinfo >> 4, revinfo & 0x0f); return; } if ((chipid == TULIP_DC21041 || chipid == TULIP_DC21140A) && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); PCI_CONF_WRITE(PCI_CFDA, cfdainfo); printf("de%d: waking device from sleep/snooze mode\n", unit); DELAY(11*1000); } #if defined(__FreeBSD__) sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT); if (sc == NULL) return; bzero(sc, sizeof(*sc)); /* Zero out the softc*/ #endif sc->tulip_chipid = chipid; #if defined(__NetBSD__) bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); sc->tulip_if.if_softc = sc; sc->tulip_bc = pa->pa_bc; sc->tulip_pc = pa->pa_pc; #else sc->tulip_unit = unit; sc->tulip_name = "de"; #endif sc->tulip_revinfo = revinfo; #if defined(__FreeBSD__) #if BSD >= 199506 sc->tulip_if.if_softc = sc; #endif #if defined(TULIP_IOMAPPED) retval = pci_map_port(config_id, PCI_CBIO, &csr_base); #else retval = pci_map_mem(config_id, PCI_CBMA, (vm_offset_t *) &csr_base, &pa_csrs); #endif if (!retval) { free((caddr_t) sc, M_DEVBUF); return; } tulips[unit] = sc; #endif /* __FreeBSD__ */ #if defined(__bsdi__) #if defined(TULIP_IOMAPPED) csr_base = ia->ia_iobase; #else csr_base = (vm_offset_t) mapphys((vm_offset_t) ia->ia_maddr, ia->ia_msize); #endif #endif /* __bsdi__ */ #if defined(__NetBSD__) csr_base = 0; #if defined(TULIP_IOMAPPED) if (pci_io_find(pa->pa_pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize) || bus_io_map(pa->pa_bc, iobase, iosize, &sc->tulip_ioh)) return; #else if (pci_mem_find(pa->pa_pc, pa->pa_tag, PCI_CBMA, &membase, &memsize, NULL) || bus_mem_map(pa->pa_bc, membase, memsize, 0, &sc->tulip_memh)) return; #endif #endif /* __NetBSD__ */ tulip_initcsrs(sc, csr_base + csroffset, csrsize); tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); if ((retval = tulip_read_macaddr(sc)) < 0) { #ifdef __FreeBSD__ printf(TULIP_PRINTF_FMT, TULIP_PRINTF_ARGS); #endif printf(": can't read ENET ROM (why=%d) (", retval); for (idx = 0; idx < 32; idx++) printf("%02x", sc->tulip_rombuf[idx]); printf("\n"); printf(TULIP_PRINTF_FMT ": %s%s pass %d.%d\n", TULIP_PRINTF_ARGS, (sc->tulip_boardid != NULL ? sc->tulip_boardid : ""), tulip_chipdescs[sc->tulip_chipid], (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); printf(TULIP_PRINTF_FMT ": address unknown\n", TULIP_PRINTF_ARGS); } else { int s; /* * Make sure there won't be any interrupts or such... */ TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 33MHz that comes to two microseconds but wait a bit longer anyways) */ #if defined(__NetBSD__) if ((sc->tulip_flags & TULIP_SLAVEDINTR) == 0) { pci_intr_handle_t intrhandle; const char *intrstr; if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, pa->pa_intrline, &intrhandle)) { printf(": couldn't map interrupt\n"); return; } intrstr = pci_intr_string(pa->pa_pc, intrhandle); sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, tulip_intr, sc); if (sc->tulip_ih == NULL) printf(": couldn't establish interrupt"); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); if (sc->tulip_ih == NULL) return; } sc->tulip_ats = shutdownhook_establish(tulip_pci_shutdown, sc); if (sc->tulip_ats == NULL) printf("\n%s: warning: couldn't establish shutdown hook\n", sc->tulip_xname); #endif #if defined(__FreeBSD__) if ((sc->tulip_flags & TULIP_SLAVEDINTR) == 0) { if (!pci_map_int (config_id, tulip_intr, (void*) sc, &net_imask)) { printf(TULIP_PRINTF_FMT ": couldn't map interrupt\n", TULIP_PRINTF_ARGS); return; } } #endif #if defined(__bsdi__) if ((sc->tulip_flags & TULIP_SLAVEDINTR) == 0) { isa_establish(&sc->tulip_id, &sc->tulip_dev); sc->tulip_ih.ih_fun = tulip_intr; sc->tulip_ih.ih_arg = (void *)sc; intr_establish(ia->ia_irq, &sc->tulip_ih, DV_NET); } sc->tulip_ats.func = tulip_shutdown; sc->tulip_ats.arg = (void *) sc; atshutdown(&sc->tulip_ats, ATSH_ADD); #endif s = splimp(); tulip_reset(sc); tulip_attach(sc); splx(s); } }