root/dev/pci/siop_pci_common.c

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DEFINITIONS

This source file includes following definitions.
  1. siop_lookup_product
  2. siop_pci_attach_common
  3. siop_pci_reset

    1 /*      $OpenBSD: siop_pci_common.c,v 1.15 2006/04/20 20:31:12 miod Exp $ */
    2 /*      $NetBSD: siop_pci_common.c,v 1.25 2005/06/28 00:28:42 thorpej Exp $ */
    3 
    4 /*
    5  * Copyright (c) 2000 Manuel Bouyer.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. All advertising materials mentioning features or use of this software
   16  *    must display the following acknowledgement:
   17  *      This product includes software developed by Manuel Bouyer.
   18  * 4. The name of the author may not be used to endorse or promote products
   19  *    derived from this software without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   31  */
   32 
   33 /* SYM53c8xx PCI-SCSI I/O Processors driver: PCI front-end */
   34 
   35 #include <sys/param.h>
   36 #include <sys/systm.h>
   37 #include <sys/device.h>
   38 #include <sys/malloc.h>
   39 #include <sys/buf.h>
   40 #include <sys/kernel.h>
   41 
   42 #include <machine/endian.h>
   43 
   44 #include <dev/pci/pcireg.h>
   45 #include <dev/pci/pcivar.h>
   46 #include <dev/pci/pcidevs.h>
   47 
   48 #include <scsi/scsi_all.h>
   49 #include <scsi/scsiconf.h>
   50 
   51 #include <dev/ic/siopreg.h>
   52 #include <dev/ic/siopvar_common.h>
   53 #include <dev/pci/siop_pci_common.h>
   54 
   55 /* List (array, really :) of chips we know how to handle */
   56 const struct siop_product_desc siop_products[] = {
   57         { PCI_PRODUCT_SYMBIOS_810,
   58         0x00,
   59         SF_PCI_RL | SF_CHIP_LS,
   60         4, 8, 3, 250, 0
   61         },
   62         { PCI_PRODUCT_SYMBIOS_810,
   63         0x10,
   64         SF_PCI_RL | SF_PCI_BOF | SF_CHIP_PF | SF_CHIP_LS,
   65         4, 8, 3, 250, 0
   66         },
   67         { PCI_PRODUCT_SYMBIOS_815,
   68         0x00,
   69         SF_PCI_RL | SF_PCI_BOF,
   70         4, 8, 3, 250, 0
   71         },
   72         { PCI_PRODUCT_SYMBIOS_820,
   73         0x00,
   74         SF_PCI_RL | SF_CHIP_LS | SF_BUS_WIDE,
   75         4, 8, 3, 250, 0
   76         },
   77         { PCI_PRODUCT_SYMBIOS_825,
   78         0x00,
   79         SF_PCI_RL | SF_PCI_BOF | SF_BUS_WIDE,
   80         4, 8, 3, 250, 0
   81         },
   82         { PCI_PRODUCT_SYMBIOS_825,
   83         0x10,
   84         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
   85         SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_LS | SF_CHIP_10REGS |
   86         SF_BUS_WIDE,
   87         7, 8, 3, 250, 4096
   88         },
   89         { PCI_PRODUCT_SYMBIOS_860,
   90         0x00,
   91         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
   92         SF_CHIP_PF | SF_CHIP_LS |
   93         SF_BUS_ULTRA,
   94         4, 8, 5, 125, 0
   95         },
   96         { PCI_PRODUCT_SYMBIOS_875,
   97         0x00,
   98         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
   99         SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_LS | SF_CHIP_10REGS |
  100         SF_BUS_ULTRA | SF_BUS_WIDE,
  101         7, 16, 5, 125, 4096
  102         },
  103         { PCI_PRODUCT_SYMBIOS_875,
  104         0x02,
  105         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
  106         SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_DBLR |
  107         SF_CHIP_LS | SF_CHIP_10REGS |
  108         SF_BUS_ULTRA | SF_BUS_WIDE,
  109         7, 16, 5, 125, 4096
  110         },
  111         { PCI_PRODUCT_SYMBIOS_875J,
  112         0x00,
  113         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
  114         SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_DBLR |
  115         SF_CHIP_LS | SF_CHIP_10REGS |
  116         SF_BUS_ULTRA | SF_BUS_WIDE,
  117         7, 16, 5, 125, 4096
  118         },
  119         { PCI_PRODUCT_SYMBIOS_885,
  120         0x00,
  121         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
  122         SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_DBLR |
  123         SF_CHIP_LS | SF_CHIP_10REGS |
  124         SF_BUS_ULTRA | SF_BUS_WIDE,
  125         7, 16, 5, 125, 4096
  126         },
  127         { PCI_PRODUCT_SYMBIOS_895,
  128         0x00,
  129         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
  130         SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_QUAD |
  131         SF_CHIP_LS | SF_CHIP_10REGS |
  132         SF_BUS_ULTRA2 | SF_BUS_WIDE,
  133         7, 31, 7, 62, 4096
  134         },
  135         { PCI_PRODUCT_SYMBIOS_896,
  136         0x00,
  137         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
  138         SF_CHIP_LEDC | SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_QUAD |
  139         SF_CHIP_LS | SF_CHIP_10REGS |
  140         SF_BUS_ULTRA2 | SF_BUS_WIDE,
  141         7, 31, 7, 62, 8192
  142         },
  143         { PCI_PRODUCT_SYMBIOS_895A,
  144         0x00,
  145         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
  146         SF_CHIP_LEDC | SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_QUAD |
  147         SF_CHIP_LS | SF_CHIP_10REGS |
  148         SF_BUS_ULTRA2 | SF_BUS_WIDE,
  149         7, 31, 7, 62, 8192
  150         },
  151         { PCI_PRODUCT_SYMBIOS_1010,
  152         0x00,
  153         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
  154         SF_CHIP_LEDC | SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM |
  155         SF_CHIP_LS | SF_CHIP_10REGS | SF_CHIP_DFBC | SF_CHIP_DBLR |
  156         SF_CHIP_GEBUG |
  157         SF_BUS_ULTRA3 | SF_BUS_WIDE,
  158         7, 31, 0, 62, 8192
  159         },
  160         { PCI_PRODUCT_SYMBIOS_1010,
  161         0x01,
  162         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
  163         SF_CHIP_LEDC | SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM |
  164         SF_CHIP_LS | SF_CHIP_10REGS | SF_CHIP_DFBC | SF_CHIP_DBLR | SF_CHIP_DT |
  165         SF_CHIP_GEBUG |
  166         SF_BUS_ULTRA3 | SF_BUS_WIDE,
  167         7, 62, 0, 62, 8192
  168         },
  169         { PCI_PRODUCT_SYMBIOS_1010_2,
  170         0x00,
  171         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
  172         SF_CHIP_LEDC | SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM |
  173         SF_CHIP_LS | SF_CHIP_10REGS | SF_CHIP_DFBC | SF_CHIP_DBLR | SF_CHIP_DT |
  174         SF_CHIP_AAIP |
  175         SF_BUS_ULTRA3 | SF_BUS_WIDE,
  176         7, 62, 0, 62, 8192
  177         },
  178         { PCI_PRODUCT_SYMBIOS_1510D,
  179         0x00,
  180         SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM |
  181         SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_QUAD |
  182         SF_CHIP_LS | SF_CHIP_10REGS |
  183         SF_BUS_ULTRA2 | SF_BUS_WIDE,
  184         7, 31, 7, 62, 4096
  185         },
  186         { 0,
  187         0x00,
  188         0x00,
  189         0, 0, 0, 0, 0
  190         },
  191 };
  192 
  193 const struct siop_product_desc *
  194 siop_lookup_product(u_int32_t id, int rev)
  195 {
  196         const struct siop_product_desc *pp;
  197         const struct siop_product_desc *rp = NULL;
  198 
  199         if (PCI_VENDOR(id) != PCI_VENDOR_SYMBIOS)
  200                 return NULL;
  201 
  202         for (pp = siop_products; pp->product != 0; pp++) {
  203                 if (PCI_PRODUCT(id) == pp->product && pp->revision <= rev)
  204                         if (rp == NULL || pp->revision > rp->revision)
  205                                 rp = pp;
  206         }
  207         return rp;
  208 }
  209 
  210 int
  211 siop_pci_attach_common(struct siop_pci_common_softc *pci_sc,
  212     struct siop_common_softc *siop_sc, struct pci_attach_args *pa,
  213     int (*intr)(void*))
  214 {
  215         pci_chipset_tag_t pc = pa->pa_pc;
  216         pcitag_t tag = pa->pa_tag;
  217         const char *intrstr;
  218         pci_intr_handle_t intrhandle;
  219         bus_space_tag_t iot, memt;
  220         bus_space_handle_t ioh, memh;
  221         pcireg_t memtype;
  222         int memh_valid, ioh_valid;
  223         bus_addr_t ioaddr, memaddr;
  224         bus_size_t memsize, iosize;
  225 
  226         pci_sc->sc_pp =
  227             siop_lookup_product(pa->pa_id, PCI_REVISION(pa->pa_class));
  228         if (pci_sc->sc_pp == NULL) {
  229                 printf(": broken match/attach!\n");
  230                 return 0;
  231         }
  232         /* copy interesting infos about the chip */
  233         siop_sc->features = pci_sc->sc_pp->features;
  234 #ifdef SIOP_SYMLED    /* XXX Should be a devprop! */
  235         siop_sc->features |= SF_CHIP_LED0;
  236 #endif
  237         siop_sc->maxburst = pci_sc->sc_pp->maxburst;
  238         siop_sc->maxoff = pci_sc->sc_pp->maxoff;
  239         siop_sc->clock_div = pci_sc->sc_pp->clock_div;
  240         siop_sc->clock_period = pci_sc->sc_pp->clock_period;
  241         siop_sc->ram_size = pci_sc->sc_pp->ram_size;
  242 
  243         siop_sc->sc_reset = siop_pci_reset;
  244         pci_sc->sc_pc = pc;
  245         pci_sc->sc_tag = tag;
  246         siop_sc->sc_dmat = pa->pa_dmat;
  247 
  248         memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, 0x14);
  249         switch (memtype) {
  250         case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
  251         case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
  252                 memh_valid = (pci_mapreg_map(pa, 0x14, memtype, 0,
  253                     &memt, &memh, &memaddr, NULL, 0) == 0);
  254                 break;
  255         default:
  256                 memh_valid = 0;
  257         }
  258 
  259         ioh_valid = (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0,
  260             &iot, &ioh, &ioaddr, &iosize, 0) == 0);
  261 
  262         if (memh_valid) {
  263                 siop_sc->sc_rt = memt;
  264                 siop_sc->sc_rh = memh;
  265                 siop_sc->sc_raddr = memaddr;
  266         } else if (ioh_valid) {
  267                 siop_sc->sc_rt = iot;
  268                 siop_sc->sc_rh = ioh;
  269                 siop_sc->sc_raddr = ioaddr;
  270         } else {
  271                 printf(": unable to map device registers\n");
  272                 return 0;
  273         }
  274 
  275         if (pci_intr_map(pa, &intrhandle) != 0) {
  276                 printf(": couldn't map interrupt\n");
  277                 bus_space_unmap(siop_sc->sc_rt, siop_sc->sc_rh, iosize);
  278                 return 0;
  279         }
  280         intrstr = pci_intr_string(pa->pa_pc, intrhandle);
  281         pci_sc->sc_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_BIO,
  282             intr, siop_sc, siop_sc->sc_dev.dv_xname);
  283         if (pci_sc->sc_ih != NULL) {
  284                 printf(": %s",
  285                     intrstr ? intrstr : "?");
  286         } else {
  287                 printf(": couldn't establish interrupt");
  288                 if (intrstr != NULL)
  289                         printf(" at %s", intrstr);
  290                 printf("\n");
  291                 bus_space_unmap(siop_sc->sc_rt, siop_sc->sc_rh, iosize);
  292                 return 0;
  293         }
  294 
  295         if (siop_sc->features & SF_CHIP_RAM) {
  296                 int bar;
  297                 switch (memtype) {
  298                 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
  299                         bar = 0x18;
  300                         break;
  301                 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
  302                         bar = 0x1c;
  303                         break;
  304                 default:
  305                         printf(": invalid memory type %d\n", memtype);
  306                         return 0;
  307                 }
  308                 if (pci_mapreg_map(pa, bar, memtype, 0,
  309                     &siop_sc->sc_ramt, &siop_sc->sc_ramh,
  310                     &siop_sc->sc_scriptaddr, &memsize, 0) == 0) {
  311                         printf(", using %luK of on-board RAM",
  312                             (u_long)memsize / 1024);
  313                 } else {
  314                         printf(", can't map on-board RAM");
  315                         siop_sc->features &= ~SF_CHIP_RAM;
  316                 }
  317         }
  318 
  319         printf("\n");
  320 
  321         return 1;
  322 }
  323 
  324 void
  325 siop_pci_reset(struct siop_common_softc *sc)
  326 {
  327         int dmode;
  328 
  329         dmode = bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_DMODE);
  330         if (sc->features & SF_PCI_RL)
  331                 dmode |= DMODE_ERL;
  332         if (sc->features & SF_PCI_RM)
  333                 dmode |= DMODE_ERMP;
  334         if (sc->features & SF_PCI_BOF)
  335                 dmode |= DMODE_BOF;
  336         if (sc->features & SF_PCI_CLS)
  337                 bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_DCNTL,
  338                     bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_DCNTL) |
  339                     DCNTL_CLSE);
  340         if (sc->features & SF_PCI_WRI)
  341                 bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST3,
  342                     bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST3) |
  343                     CTEST3_WRIE);
  344         if (sc->maxburst) {
  345                 int ctest5 = bus_space_read_1(sc->sc_rt, sc->sc_rh,
  346                     SIOP_CTEST5);
  347                 bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4,
  348                     bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4) &
  349                     ~CTEST4_BDIS);
  350                 dmode &= ~DMODE_BL_MASK;
  351                 dmode |= ((sc->maxburst - 1) << DMODE_BL_SHIFT) & DMODE_BL_MASK;
  352                 ctest5 &= ~CTEST5_BBCK;
  353                 ctest5 |= (sc->maxburst - 1) & CTEST5_BBCK;
  354                 bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST5, ctest5);
  355         } else {
  356                 bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4,
  357                     bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4) |
  358                     CTEST4_BDIS);
  359         }
  360         bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_DMODE, dmode);
  361 }

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