4209 lines
127 KiB
C
4209 lines
127 KiB
C
/*-
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* Copyright (c) 1994, 1995, 1996 Matt Thomas (matt@3am-software.com)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: if_de.c,v 1.49 1996/08/06 21:09:25 phk Exp $
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*
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*/
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/*
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* DEC DC21040 PCI Ethernet Controller
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*
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* Written by Matt Thomas
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* BPF support code stolen directly from if_ec.c
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*
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* This driver supports the DEC DE435 or any other PCI
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* board which support DC21040, DC21041, or DC21140 (mostly).
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/protosw.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/proc.h> /* only for declaration of wakeup() used by vm.h */
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#if defined(__FreeBSD__)
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#include <machine/clock.h>
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#elif defined(__bsdi__) || defined(__NetBSD__)
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#include <sys/device.h>
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#endif
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/if_dl.h>
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#include <net/route.h>
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#include "bpfilter.h"
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#if NBPFILTER > 0
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#include <net/bpf.h>
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#include <net/bpfdesc.h>
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#endif
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/in_var.h>
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#include <netinet/ip.h>
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#include <netinet/if_ether.h>
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#endif
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#ifdef NS
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#include <netns/ns.h>
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#include <netns/ns_if.h>
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#endif
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#include <vm/vm.h>
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#include <vm/vm_param.h>
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#include <vm/vm_kern.h>
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#if defined(__FreeBSD__)
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#include <vm/pmap.h>
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#include <pci.h>
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#if NPCI > 0
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#include <pci/pcivar.h>
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#include <pci/dc21040.h>
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#endif
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#endif /* __FreeBSD__ */
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#if defined(__bsdi__)
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#include <i386/pci/pci.h>
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#include <i386/pci/ic/dc21040.h>
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#include <i386/isa/isa.h>
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#include <i386/isa/icu.h>
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#include <i386/isa/dma.h>
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#include <i386/isa/isavar.h>
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#if _BSDI_VERSION < 199510
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#include <eisa.h>
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#else
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#define NEISA 0
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#endif
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#if NEISA > 0 && _BSDI_VERSION >= 199401
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#include <i386/eisa/eisa.h>
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#define TULIP_EISA
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#endif
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#endif /* __bsdi__ */
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#if defined(__NetBSD__)
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#include <machine/bus.h>
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#if defined(__alpha__)
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#include <machine/intr.h>
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#endif
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/ic/dc21040reg.h>
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#endif /* __NetBSD__ */
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/*
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* Intel CPUs should use I/O mapped access.
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*/
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#if defined(__i386__) || defined(TULIP_EISA)
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#define TULIP_IOMAPPED
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#endif
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#if 0
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/*
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* This turns on all sort of debugging stuff and make the
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* driver much larger.
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*/
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#define TULIP_DEBUG
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#endif
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/*
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* This module supports
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* the DEC DC21040 PCI Ethernet Controller.
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* the DEC DC21041 PCI Ethernet Controller.
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* the DEC DC21140 PCI Fast Ethernet Controller.
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*/
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#ifdef TULIP_IOMAPPED
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#define TULIP_EISA_CSRSIZE 16
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#define TULIP_EISA_CSROFFSET 0
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#define TULIP_PCI_CSRSIZE 8
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#define TULIP_PCI_CSROFFSET 0
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#if defined(__NetBSD__)
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typedef bus_io_size_t tulip_csrptr_t;
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#define TULIP_CSR_READ(sc, csr) \
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bus_io_read_4((sc)->tulip_bc, (sc)->tulip_ioh, (sc)->tulip_csrs.csr)
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#define TULIP_CSR_WRITE(sc, csr, val) \
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bus_io_write_4((sc)->tulip_bc, (sc)->tulip_ioh, (sc)->tulip_csrs.csr, (val))
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#define TULIP_CSR_READBYTE(sc, csr) \
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bus_io_read_1((sc)->tulip_bc, (sc)->tulip_ioh, (sc)->tulip_csrs.csr)
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#define TULIP_CSR_WRITEBYTE(sc, csr, val) \
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bus_io_write_1((sc)->tulip_bc, (sc)->tulip_ioh, (sc)->tulip_csrs.csr, (val))
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#else
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typedef tulip_uint16_t tulip_csrptr_t;
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#define TULIP_CSR_READ(sc, csr) (inl((sc)->tulip_csrs.csr))
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#define TULIP_CSR_WRITE(sc, csr, val) outl((sc)->tulip_csrs.csr, val)
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#define TULIP_CSR_READBYTE(sc, csr) (inb((sc)->tulip_csrs.csr))
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#define TULIP_CSR_WRITEBYTE(sc, csr, val) outb((sc)->tulip_csrs.csr, val)
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#endif /* __NetBSD__ */
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#else /* TULIP_IOMAPPED */
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#define TULIP_PCI_CSRSIZE 8
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#define TULIP_PCI_CSROFFSET 0
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#if defined(__NetBSD__)
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typedef bus_mem_size_t tulip_csrptr_t;
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#define TULIP_CSR_READ(sc, csr) \
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bus_mem_read_4((sc)->tulip_bc, (sc)->tulip_memh, (sc)->tulip_csrs.csr)
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#define TULIP_CSR_WRITE(sc, csr, val) \
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bus_mem_write_4((sc)->tulip_bc, (sc)->tulip_memh, (sc)->tulip_csrs.csr, \
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(val))
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#else
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typedef volatile tulip_uint32_t *tulip_csrptr_t;
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/*
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* macros to read and write CSRs. Note that the "0 +" in
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* READ_CSR is to prevent the macro from being an lvalue
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* and WRITE_CSR shouldn't be assigned from.
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*/
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#define TULIP_CSR_READ(sc, csr) (0 + *(sc)->tulip_csrs.csr)
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#define TULIP_CSR_WRITE(sc, csr, val) ((void)(*(sc)->tulip_csrs.csr = (val)))
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#endif /* __NetBSD__ */
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#endif /* TULIP_IOMAPPED */
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/*
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* This structure contains "pointers" for the registers on
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* the various 21x4x chips. CSR0 through CSR8 are common
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* to all chips. After that, it gets messy...
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*/
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typedef struct {
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tulip_csrptr_t csr_busmode; /* CSR0 */
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tulip_csrptr_t csr_txpoll; /* CSR1 */
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tulip_csrptr_t csr_rxpoll; /* CSR2 */
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tulip_csrptr_t csr_rxlist; /* CSR3 */
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tulip_csrptr_t csr_txlist; /* CSR4 */
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tulip_csrptr_t csr_status; /* CSR5 */
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tulip_csrptr_t csr_command; /* CSR6 */
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tulip_csrptr_t csr_intr; /* CSR7 */
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tulip_csrptr_t csr_missed_frames; /* CSR8 */
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/* DC21040 specific registers */
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tulip_csrptr_t csr_enetrom; /* CSR9 */
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tulip_csrptr_t csr_reserved; /* CSR10 */
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tulip_csrptr_t csr_full_duplex; /* CSR11 */
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/* DC21040/DC21041 common registers */
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tulip_csrptr_t csr_sia_status; /* CSR12 */
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tulip_csrptr_t csr_sia_connectivity; /* CSR13 */
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tulip_csrptr_t csr_sia_tx_rx; /* CSR14 */
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tulip_csrptr_t csr_sia_general; /* CSR15 */
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/* DC21140/DC21041 common registers */
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tulip_csrptr_t csr_srom_mii; /* CSR9 */
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tulip_csrptr_t csr_gp_timer; /* CSR11 */
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/* DC21140 specific registers */
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tulip_csrptr_t csr_gp; /* CSR12 */
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tulip_csrptr_t csr_watchdog; /* CSR15 */
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/* DC21041 specific registers */
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tulip_csrptr_t csr_bootrom; /* CSR10 */
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} tulip_regfile_t;
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/*
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* While 21x4x allows chaining of its descriptors, this driver
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* doesn't take advantage of it. We keep the descriptors in a
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* traditional FIFO ring.
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*/
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typedef struct {
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tulip_desc_t *ri_first; /* first entry in ring */
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tulip_desc_t *ri_last; /* one after last entry */
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tulip_desc_t *ri_nextin; /* next to processed by host */
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tulip_desc_t *ri_nextout; /* next to processed by adapter */
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int ri_max;
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int ri_free;
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} tulip_ringinfo_t;
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/*
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* The DC21040 has a stupid restriction in that the receive
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* buffers must be longword aligned. But since Ethernet
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* headers are not a multiple of longwords in size this forces
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* the data to non-longword aligned. Since IP requires the
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* data to be longword aligned, we need to copy it after it has
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* been DMA'ed in our memory.
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*
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* Since we have to copy it anyways, we might as well as allocate
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* dedicated receive space for the input. This allows to use a
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* small receive buffer size and more ring entries to be able to
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* better keep with a flood of tiny Ethernet packets.
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*
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* The receive space MUST ALWAYS be a multiple of the page size.
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* And the number of receive descriptors multiplied by the size
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* of the receive buffers must equal the recevive space. This
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* is so that we can manipulate the page tables so that even if a
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* packet wraps around the end of the receive space, we can
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* treat it as virtually contiguous.
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*
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* The above used to be true (the stupid restriction is still true)
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* but we gone to directly DMA'ing into MBUFs (unless it's on an
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* architecture which can't handle unaligned accesses) because with
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* 100Mb/s cards the copying is just too much of a hit.
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*/
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#if defined(__alpha__)
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#define TULIP_COPY_RXDATA 1
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#endif
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#define TULIP_RXDESCS 48
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#define TULIP_TXDESCS 128
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#define TULIP_RXQ_TARGET 32
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#if TULIP_RXQ_TARGET >= TULIP_RXDESCS
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#error TULIP_RXQ_TARGET must be less than TULIP_RXDESCS
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#endif
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#define TULIP_RX_BUFLEN ((MCLBYTES < 2048 ? MCLBYTES : 2048) - 16)
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/*
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* Forward reference to make C happy.
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*/
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typedef struct _tulip_softc_t tulip_softc_t;
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/*
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* Some boards need to treated specially. The following enumeration
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* identifies the cards with quirks (or those we just want to single
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* out for special merit or scorn).
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*/
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typedef enum {
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TULIP_DC21040_GENERIC, /* Generic DC21040 (works with most any board) */
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TULIP_DC21040_ZX314_MASTER, /* ZNYX ZX314 Master 21040 (it has the interrupt line) */
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TULIP_DC21040_ZX314_SLAVE, /* ZNYX ZX314 Slave 21040 (its interrupt is tied to the master's */
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TULIP_DC21140_DEC_EB, /* Digital Semicondutor 21140 Evaluation Board */
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TULIP_DC21140_DEC_DE500, /* Digital DE500-?? 10/100 */
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TULIP_DC21140_SMC_9332, /* SMC 9332 */
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TULIP_DC21140_COGENT_EM100, /* Cogent EM100 100 only */
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TULIP_DC21140_ZNYX_ZX34X, /* ZNYX ZX342 10/100 */
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TULIP_DC21041_GENERIC, /* Generic DC21041 card */
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TULIP_DC21041_DEC_DE450 /* Digital DE450 */
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} tulip_board_t;
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/*
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* This data structure is used to abstract out the quirks.
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* media_probe = tries to determine the media type.
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* media_select = enables the current media (or autosenses)
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* media_preset = 21140, etal requires bit to set before the
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* the software reset; hence pre-set. Should be
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* pre-reset but that's ugly.
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* mii_probe = probe for PHY devices connected via the MII interface
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* on 21140, etal.
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*/
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typedef struct {
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tulip_board_t bd_type;
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const char *bd_description;
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int (*bd_media_probe)(tulip_softc_t *sc);
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void (*bd_media_select)(tulip_softc_t *sc);
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void (*bd_media_preset)(tulip_softc_t *sc);
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void (*bd_mii_probe)(tulip_softc_t *sc);
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} tulip_boardsw_t;
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/*
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* The next few declarations are for MII/PHY based board.
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*
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* The first enumeration identifies a superset of various datums
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* that can be obtained from various PHY chips. Not all PHYs will
|
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* support all datums.
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* The modedata structure indicates what register contains
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* a datum, what mask is applied the register contents, and what the
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* result should be.
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* The attr structure records information about a supported PHY.
|
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* The phy structure records information about a PHY instance.
|
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*/
|
||
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typedef enum {
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PHY_MODE_10T,
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PHY_MODE_100TX,
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PHY_MODE_100T4,
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PHY_MODE_FULLDUPLEX,
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PHY_MODE_MAX
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} phy_mode_t;
|
||
|
||
typedef struct {
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unsigned short pm_regno;
|
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unsigned short pm_mask;
|
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unsigned short pm_value;
|
||
} phy_modedata_t;
|
||
|
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typedef struct {
|
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const char *attr_name;
|
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unsigned attr_id;
|
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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(
|
||
int unit,
|
||
int force)
|
||
{
|
||
tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(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) */
|
||
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);
|
||
}
|
||
}
|
||
|