242 lines
7.3 KiB
C
242 lines
7.3 KiB
C
/* $NetBSD: mpt_pci.c,v 1.16 2008/04/10 19:13:37 cegger Exp $ */
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/*
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* Copyright (c) 2003 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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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. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Additional contributions by Garrett D'Amore on behalf of TELES AG.
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*/
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/*
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* mpt_pci.c:
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*
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* NetBSD PCI-specific routines for LSI Fusion adapters.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: mpt_pci.c,v 1.16 2008/04/10 19:13:37 cegger Exp $");
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#include <dev/ic/mpt.h> /* pulls in all headers */
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#define MPT_PCI_MMBA (PCI_MAPREG_START+0x04)
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struct mpt_pci_softc {
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mpt_softc_t sc_mpt;
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pci_chipset_tag_t sc_pc;
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pcitag_t sc_tag;
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void *sc_ih;
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/* Saved volatile PCI configuration registers. */
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pcireg_t sc_pci_csr;
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pcireg_t sc_pci_bhlc;
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pcireg_t sc_pci_io_bar;
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pcireg_t sc_pci_mem0_bar[2];
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pcireg_t sc_pci_mem1_bar[2];
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pcireg_t sc_pci_rom_bar;
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pcireg_t sc_pci_int;
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pcireg_t sc_pci_pmcsr;
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};
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#define MPP_F_FC 0x01 /* Fibre Channel adapter */
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#define MPP_F_DUAL 0x02 /* Dual port adapter */
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static const struct mpt_pci_product {
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pci_vendor_id_t mpp_vendor;
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pci_product_id_t mpp_product;
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} mpt_pci_products[] = {
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030 },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909 },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909A },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929 },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929_1 },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919 },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919_1},
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929X },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919X },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929X },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC939X },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC949X },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064 },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064A },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E_2 },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066 },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066E },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068 },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068_2 },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E },
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{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E_2 },
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{ 0, 0 }
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};
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static int
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mpt_pci_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct pci_attach_args *pa = aux;
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const struct mpt_pci_product *mpp;
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for (mpp = mpt_pci_products; mpp->mpp_vendor != 0; mpp++) {
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if (PCI_VENDOR(pa->pa_id) == mpp->mpp_vendor &&
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PCI_PRODUCT(pa->pa_id) == mpp->mpp_product)
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return (1);
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}
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return (0);
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}
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static void
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mpt_pci_attach(struct device *parent, struct device *self, void *aux)
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{
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struct mpt_pci_softc *psc = (void *) self;
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mpt_softc_t *mpt = &psc->sc_mpt;
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struct pci_attach_args *pa = aux;
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pci_intr_handle_t ih;
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const char *intrstr;
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pcireg_t reg, memtype;
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bus_space_tag_t memt;
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bus_space_handle_t memh;
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int memh_valid;
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char devinfo[200];
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pci_devinfo(pa->pa_id, 0, 0, devinfo, sizeof (devinfo));
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aprint_naive("\n");
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aprint_normal(": %s\n", devinfo);
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psc->sc_pc = pa->pa_pc;
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psc->sc_tag = pa->pa_tag;
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mpt->sc_dmat = pa->pa_dmat;
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/*
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* Map the device.
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*/
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memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MPT_PCI_MMBA);
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switch (memtype) {
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case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
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case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
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memh_valid = (pci_mapreg_map(pa, MPT_PCI_MMBA,
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memtype, 0, &memt, &memh, NULL, NULL) == 0);
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break;
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default:
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memh_valid = 0;
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}
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if (memh_valid) {
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mpt->sc_st = memt;
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mpt->sc_sh = memh;
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} else {
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aprint_error_dev(&mpt->sc_dev, "unable to map device registers\n");
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return;
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}
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/*
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* Make sure the PCI command register is properly configured.
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*/
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reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
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reg |= PCI_COMMAND_MASTER_ENABLE;
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/* XXX PCI_COMMAND_INVALIDATE_ENABLE */
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/* XXX PCI_COMMAND_PARITY_ENABLE */
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/* XXX PCI_COMMAND_SERR_ENABLE */
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pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
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/*
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* Disable split transactions on the 53c1020 and 53c1030 for
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* revisions older than 8.
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*/
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if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SYMBIOS_1030) &&
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(PCI_REVISION(pa->pa_class) < 0x08)) {
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aprint_normal_dev(&mpt->sc_dev, "applying 1030 quirk\n");
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reg = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x68);
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reg &= 0x8fffff;
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pci_conf_write(pa->pa_pc, pa->pa_tag, 0x68, reg);
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}
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/*
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* Ensure that the ROM is disabled.
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*/
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reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM);
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reg &= ~1;
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pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM, reg);
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/*
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* Map and establish our interrupt.
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*/
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if (pci_intr_map(pa, &ih) != 0) {
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aprint_error_dev(&mpt->sc_dev, "unable to map interrupt\n");
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return;
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}
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intrstr = pci_intr_string(pa->pa_pc, ih);
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psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mpt_intr, mpt);
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if (psc->sc_ih == NULL) {
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aprint_error_dev(&mpt->sc_dev, "unable to establish interrupt");
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if (intrstr != NULL)
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aprint_normal(" at %s", intrstr);
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aprint_normal("\n");
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return;
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}
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aprint_normal_dev(&mpt->sc_dev, "interrupting at %s\n",
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intrstr);
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/* Disable interrupts on the part. */
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mpt_disable_ints(mpt);
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/* Allocate DMA memory. */
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if (mpt_dma_mem_alloc(mpt) != 0) {
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aprint_error_dev(&mpt->sc_dev, "unable to allocate DMA memory\n");
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return;
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}
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/* Initialize the hardware. */
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if (mpt_init(mpt, MPT_DB_INIT_HOST) != 0) {
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/* Error message already printed. */
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return;
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}
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/* Attach to scsipi. */
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mpt_scsipi_attach(mpt);
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}
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CFATTACH_DECL(mpt_pci, sizeof(struct mpt_pci_softc),
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mpt_pci_match, mpt_pci_attach, NULL, NULL);
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