sys/dev/pci/mpt_pci.c

   1 /*      $NetBSD: mpt_pci.c,v 1.19 2009/05/12 08:23:01 cegger Exp $      */
   2
   3 /*
   4  * Copyright (c) 2003 Wasabi Systems, Inc.
   5  * All rights reserved.
   6  *
   7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed for the NetBSD Project by
  20  *      Wasabi Systems, Inc.
  21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
  22  *    or promote products derived from this software without specific prior
  23  *    written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
  29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  35  * POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 /*
  39  * Additional contributions by Garrett D'Amore on behalf of TELES AG.
  40  */
  41
  42 /*
  43  * mpt_pci.c:
  44  *
  45  * NetBSD PCI-specific routines for LSI Fusion adapters.
  46  */
  47
  48 #include <sys/cdefs.h>
  49 __KERNEL_RCSID(0, "$NetBSD: mpt_pci.c,v 1.19 2009/05/12 08:23:01 cegger Exp $");
  50
  51 #include <dev/ic/mpt.h>                 /* pulls in all headers */
  52
  53 #include <dev/pci/pcireg.h>
  54 #include <dev/pci/pcivar.h>
  55 #include <dev/pci/pcidevs.h>
  56
  57 #define MPT_PCI_MMBA            (PCI_MAPREG_START+0x04)
  58
  59 struct mpt_pci_softc {
  60         mpt_softc_t sc_mpt;
  61
  62         pci_chipset_tag_t sc_pc;
  63         pcitag_t sc_tag;
  64
  65         void *sc_ih;
  66
  67         /* Saved volatile PCI configuration registers. */
  68         pcireg_t sc_pci_csr;
  69         pcireg_t sc_pci_bhlc;
  70         pcireg_t sc_pci_io_bar;
  71         pcireg_t sc_pci_mem0_bar[2];
  72         pcireg_t sc_pci_mem1_bar[2];
  73         pcireg_t sc_pci_rom_bar;
  74         pcireg_t sc_pci_int;
  75         pcireg_t sc_pci_pmcsr;
  76 };
  77
  78 #define MPP_F_FC        0x01    /* Fibre Channel adapter */
  79 #define MPP_F_DUAL      0x02    /* Dual port adapter */
  80
  81 static const struct mpt_pci_product {
  82         pci_vendor_id_t         mpp_vendor;
  83         pci_product_id_t        mpp_product;
  84 } mpt_pci_products[] = {
  85         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_1030 },
  86         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC909 },
  87         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC909A },
  88         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC929 },
  89         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC929_1 },
  90         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC919 },
  91         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC919_1},
  92         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC929X },
  93         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC919X },
  94         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC929X },
  95         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC939X },
  96         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC949X },
  97         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_SAS1064 },
  98         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_SAS1064A },
  99         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_SAS1064E },
 100         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_SAS1064E_2 },
 101         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_SAS1066 },
 102         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_SAS1066E },
 103         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_SAS1068 },
 104         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_SAS1068_2 },
 105         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_SAS1068E },
 106         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_SAS1068E_2 },
 107         { 0,                    0 }
 108 };
 109
 110 static int
 111 mpt_pci_match(device_t parent, cfdata_t cf, void *aux)
 112 {
 113         struct pci_attach_args *pa = aux;
 114         const struct mpt_pci_product *mpp;
 115
 116         for (mpp = mpt_pci_products; mpp->mpp_vendor != 0; mpp++) {
 117                 if (PCI_VENDOR(pa->pa_id) == mpp->mpp_vendor &&
 118                     PCI_PRODUCT(pa->pa_id) == mpp->mpp_product)
 119                         return (1);
 120         }
 121
 122         return (0);
 123 }
 124
 125 static void
 126 mpt_pci_attach(device_t parent, device_t self, void *aux)
 127 {
 128         struct mpt_pci_softc *psc = device_private(self);
 129         mpt_softc_t *mpt = &psc->sc_mpt;
 130         struct pci_attach_args *pa = aux;
 131         pci_intr_handle_t ih;
 132         const char *intrstr;
 133         pcireg_t reg, memtype;
 134         bus_space_tag_t memt;
 135         bus_space_handle_t memh;
 136         int memh_valid;
 137         char devinfo[200];
 138
 139         pci_devinfo(pa->pa_id, 0, 0, devinfo, sizeof (devinfo));
 140
 141         aprint_naive("\n");
 142         aprint_normal(": %s\n", devinfo);
 143
 144         psc->sc_pc = pa->pa_pc;
 145         psc->sc_tag = pa->pa_tag;
 146
 147         mpt->sc_dmat = pa->pa_dmat;
 148
 149         /*
 150          * Map the device.
 151          */
 152         memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MPT_PCI_MMBA);
 153         switch (memtype) {
 154         case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
 155         case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
 156                 memh_valid = (pci_mapreg_map(pa, MPT_PCI_MMBA,
 157                     memtype, 0, &memt, &memh, NULL, NULL) == 0);
 158                 break;
 159
 160         default:
 161                 memh_valid = 0;
 162         }
 163
 164         if (memh_valid) {
 165                 mpt->sc_st = memt;
 166                 mpt->sc_sh = memh;
 167         } else {
 168                 aprint_error_dev(&mpt->sc_dev, "unable to map device registers\n");
 169                 return;
 170         }
 171
 172         /*
 173          * Make sure the PCI command register is properly configured.
 174          */
 175         reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
 176         reg |= PCI_COMMAND_MASTER_ENABLE;
 177         /* XXX PCI_COMMAND_INVALIDATE_ENABLE */
 178         /* XXX PCI_COMMAND_PARITY_ENABLE */
 179         /* XXX PCI_COMMAND_SERR_ENABLE */
 180         pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
 181
 182         /*
 183          * Disable split transactions on the 53c1020 and 53c1030 for
 184          * revisions older than 8.
 185          */
 186         if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SYMBIOS_1030) &&
 187             (PCI_REVISION(pa->pa_class) < 0x08)) {
 188                 aprint_normal_dev(&mpt->sc_dev, "applying 1030 quirk\n");
 189                 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x68);
 190                 reg &= 0x8fffff;
 191                 pci_conf_write(pa->pa_pc, pa->pa_tag, 0x68, reg);
 192         }
 193
 194         /*
 195          * Ensure that the ROM is disabled.
 196          */
 197         reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM);
 198         reg &= ~1;
 199         pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM, reg);
 200
 201         /*
 202          * Map and establish our interrupt.
 203          */
 204         if (pci_intr_map(pa, &ih) != 0) {
 205                 aprint_error_dev(&mpt->sc_dev, "unable to map interrupt\n");
 206                 return;
 207         }
 208         intrstr = pci_intr_string(pa->pa_pc, ih);
 209         psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mpt_intr, mpt);
 210         if (psc->sc_ih == NULL) {
 211                 aprint_error_dev(&mpt->sc_dev, "unable to establish interrupt");
 212                 if (intrstr != NULL)
 213                         aprint_error(" at %s", intrstr);
 214                 aprint_error("\n");
 215                 return;
 216         }
 217         aprint_normal_dev(&mpt->sc_dev, "interrupting at %s\n",
 218             intrstr);
 219
 220         /* Disable interrupts on the part. */
 221         mpt_disable_ints(mpt);
 222
 223         /* Allocate DMA memory. */
 224         if (mpt_dma_mem_alloc(mpt) != 0) {
 225                 aprint_error_dev(&mpt->sc_dev, "unable to allocate DMA memory\n");
 226                 return;
 227         }
 228
 229         /* Initialize the hardware. */
 230         if (mpt_init(mpt, MPT_DB_INIT_HOST) != 0) {
 231                 /* Error message already printed. */
 232                 return;
 233         }
 234
 235         /* Attach to scsipi. */
 236         mpt_scsipi_attach(mpt);
 237 }
 238
 239 CFATTACH_DECL(mpt_pci, sizeof(struct mpt_pci_softc),
 240     mpt_pci_match, mpt_pci_attach, NULL, NULL);
 241