siop_pci_common.c revision 1.2
1 /* $NetBSD: siop_pci_common.c,v 1.2 2000/05/25 10:10:56 bouyer Exp $ */ 2 3 /* 4 * Copyright (c) 2000 Manuel Bouyer. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Manuel Bouyer 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* SYM53c8xx PCI-SCSI I/O Processors driver: PCI front-end */ 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/device.h> 37 #include <sys/malloc.h> 38 #include <sys/buf.h> 39 #include <sys/kernel.h> 40 41 #include <machine/endian.h> 42 43 #include <dev/pci/pcireg.h> 44 #include <dev/pci/pcivar.h> 45 #include <dev/pci/pcidevs.h> 46 47 #include <dev/scsipi/scsipi_all.h> 48 #include <dev/scsipi/scsipiconf.h> 49 50 #include <dev/ic/siopreg.h> 51 #include <dev/ic/siopvar.h> 52 #include <dev/pci/siop_pci_common.h> 53 54 /* List (array, really :) of chips we know how to handle */ 55 const struct siop_product_desc siop_products[] = { 56 { PCI_PRODUCT_SYMBIOS_810, 57 0x00, 58 "Symbios Logic 53c810 (fast scsi)", 59 SF_PCI_RL | SF_CHIP_LS, 60 4, 8, 3, 250 61 }, 62 { PCI_PRODUCT_SYMBIOS_810, 63 0x10, 64 "Symbios Logic 53c810a (fast scsi)", 65 SF_PCI_RL | SF_PCI_BOF | SF_CHIP_PF | SF_CHIP_LS, 66 4, 8, 3, 250 67 }, 68 { PCI_PRODUCT_SYMBIOS_815, 69 0x00, 70 "Symbios Logic 53c815 (fast scsi)", 71 SF_PCI_RL | SF_PCI_BOF, 72 4, 8, 3, 250 73 }, 74 { PCI_PRODUCT_SYMBIOS_820, 75 0x00, 76 "Symbios Logic 53c820 (fast wide scsi)", 77 SF_PCI_RL | SF_CHIP_LS | SF_BUS_WIDE, 78 4, 8, 3, 250 79 }, 80 { PCI_PRODUCT_SYMBIOS_825, 81 0x00, 82 "Symbios Logic 53c825 (fast wide scsi)", 83 SF_PCI_RL | SF_PCI_BOF | SF_BUS_WIDE, 84 4, 8, 3, 250 85 }, 86 { PCI_PRODUCT_SYMBIOS_825, 87 0x10, 88 "Symbios Logic 53c825a (fast wide scsi)", 89 SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM | 90 SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_LS | SF_CHIP_10REGS | 91 SF_BUS_WIDE, 92 7, 8, 3, 250 93 }, 94 { PCI_PRODUCT_SYMBIOS_860, 95 0x00, 96 "Symbios Logic 53c860 (ultra scsi)", 97 SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM | 98 SF_CHIP_PF | SF_CHIP_LS | 99 SF_BUS_ULTRA, 100 4, 8, 5, 125 101 }, 102 { PCI_PRODUCT_SYMBIOS_875, 103 0x00, 104 "Symbios Logic 53c875 (ultra-wide scsi)", 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_LS | SF_CHIP_10REGS | 107 SF_BUS_ULTRA | SF_BUS_WIDE, 108 7, 16, 5, 125 109 }, 110 { PCI_PRODUCT_SYMBIOS_875, 111 0x02, 112 "Symbios Logic 53c875 (ultra-wide scsi)", 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, 125 118 }, 119 { PCI_PRODUCT_SYMBIOS_875J, 120 0x00, 121 "Symbios Logic 53c875j (ultra-wide scsi)", 122 SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM | 123 SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_DBLR | 124 SF_CHIP_LS | SF_CHIP_10REGS | 125 SF_BUS_ULTRA | SF_BUS_WIDE, 126 7, 16, 5, 125 127 }, 128 { PCI_PRODUCT_SYMBIOS_885, 129 0x00, 130 "Symbios Logic 53c885 (ultra-wide scsi)", 131 SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM | 132 SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_DBLR | 133 SF_CHIP_LS | SF_CHIP_10REGS | 134 SF_BUS_ULTRA | SF_BUS_WIDE, 135 7, 16, 5, 125 136 }, 137 { PCI_PRODUCT_SYMBIOS_895, 138 0x00, 139 "Symbios Logic 53c895 (ultra2-wide scsi)", 140 SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM | 141 SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_QUAD | 142 SF_CHIP_LS | SF_CHIP_10REGS | 143 SF_BUS_ULTRA2 | SF_BUS_WIDE, 144 7, 31, 7, 62 145 }, 146 { PCI_PRODUCT_SYMBIOS_896, 147 0x00, 148 "Symbios Logic 53c896 (ultra2-wide scsi)", 149 SF_PCI_RL | SF_PCI_CLS | SF_PCI_WRI | SF_PCI_RM | 150 SF_CHIP_FIFO | SF_CHIP_PF | SF_CHIP_RAM | SF_CHIP_QUAD | 151 SF_CHIP_LS | SF_CHIP_10REGS | 152 SF_BUS_ULTRA2 | SF_BUS_WIDE, 153 7, 31, 7, 62 154 }, 155 { 0, 156 0x00, 157 NULL, 158 0x00, 159 0, 0, 0, 0 160 }, 161 }; 162 163 const struct siop_product_desc * 164 siop_lookup_product(id, rev) 165 u_int32_t id; 166 int rev; 167 { 168 const struct siop_product_desc *pp; 169 const struct siop_product_desc *rp = NULL; 170 171 if (PCI_VENDOR(id) != PCI_VENDOR_SYMBIOS) 172 return NULL; 173 174 for (pp = siop_products; pp->name != NULL; pp++) { 175 if (PCI_PRODUCT(id) == pp->product && pp->revision <= rev) 176 if (rp == NULL || pp->revision > rp->revision) 177 rp = pp; 178 } 179 return rp; 180 } 181 182 int 183 siop_pci_attach_common(sc, pa) 184 struct siop_pci_softc *sc; 185 struct pci_attach_args *pa; 186 { 187 pci_chipset_tag_t pc = pa->pa_pc; 188 pcitag_t tag = pa->pa_tag; 189 const char *intrstr; 190 pci_intr_handle_t intrhandle; 191 bus_space_tag_t iot, memt; 192 bus_space_handle_t ioh, memh; 193 pcireg_t memtype; 194 int memh_valid, ioh_valid; 195 bus_addr_t ioaddr, memaddr; 196 197 sc->sc_pp = siop_lookup_product(pa->pa_id, PCI_REVISION(pa->pa_class)); 198 if (sc->sc_pp == NULL) { 199 printf("sym: broken match/attach!!\n"); 200 return 0; 201 } 202 /* copy interesting infos about the chip */ 203 sc->siop.features = sc->sc_pp->features; 204 sc->siop.maxburst = sc->sc_pp->maxburst; 205 sc->siop.maxoff = sc->sc_pp->maxoff; 206 sc->siop.clock_div = sc->sc_pp->clock_div; 207 sc->siop.clock_period = sc->sc_pp->clock_period; 208 209 sc->siop.sc_reset = siop_pci_reset; 210 printf(": %s\n", sc->sc_pp->name); 211 sc->sc_pc = pc; 212 sc->sc_tag = tag; 213 sc->siop.sc_dmat = pa->pa_dmat; 214 215 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, 0x14); 216 switch (memtype) { 217 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 218 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 219 memh_valid = (pci_mapreg_map(pa, 0x14, memtype, 0, 220 &memt, &memh, &memaddr, NULL) == 0); 221 break; 222 default: 223 memh_valid = 0; 224 } 225 226 ioh_valid = (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, 227 &iot, &ioh, &ioaddr, NULL) == 0); 228 229 if (memh_valid) { 230 sc->siop.sc_rt = memt; 231 sc->siop.sc_rh = memh; 232 sc->siop.sc_raddr = memaddr; 233 } else if (ioh_valid) { 234 sc->siop.sc_rt = iot; 235 sc->siop.sc_rh = ioh; 236 sc->siop.sc_raddr = ioaddr; 237 } else { 238 printf("%s: unable to map device registers\n", 239 sc->siop.sc_dev.dv_xname); 240 return 0; 241 } 242 243 if (sc->siop.features & SF_CHIP_RAM) { 244 if (pci_mapreg_map(pa, 0x18, 245 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 246 &sc->siop.sc_ramt, &sc->siop.sc_ramh, 247 &sc->siop.sc_scriptaddr, NULL) == 0) { 248 printf("%s: using on-board RAM\n", 249 sc->siop.sc_dev.dv_xname); 250 } else { 251 printf("%s: can't map on-board RAM\n", 252 sc->siop.sc_dev.dv_xname); 253 sc->siop.features &= ~SF_CHIP_RAM; 254 } 255 } 256 257 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 258 pa->pa_intrline, &intrhandle) != 0) { 259 printf("%s: couldn't map interrupt\n", 260 sc->siop.sc_dev.dv_xname); 261 return 0; 262 } 263 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 264 sc->sc_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_BIO, 265 siop_intr, &sc->siop); 266 if (sc->sc_ih != NULL) { 267 printf("%s: interrupting at %s\n", 268 sc->siop.sc_dev.dv_xname, 269 intrstr ? intrstr : "unknown interrupt"); 270 } else { 271 printf("%s: couldn't establish interrupt", 272 sc->siop.sc_dev.dv_xname); 273 if (intrstr != NULL) 274 printf(" at %s", intrstr); 275 printf("\n"); 276 return 0; 277 } 278 return 1; 279 } 280 281 void 282 siop_pci_reset(sc) 283 struct siop_softc *sc; 284 { 285 int dmode; 286 287 dmode = bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_DMODE); 288 if (sc->features & SF_PCI_RL) 289 dmode |= DMODE_ERL; 290 if (sc->features & SF_PCI_RM) 291 dmode |= DMODE_ERMP; 292 if (sc->features & SF_PCI_BOF) 293 dmode |= DMODE_BOF; 294 if (sc->features & SF_PCI_CLS) 295 bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_DCNTL, 296 bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_DCNTL) | 297 DCNTL_CLSE); 298 if (sc->features & SF_PCI_WRI) 299 bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST3, 300 bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST3) | 301 CTEST3_WRIE); 302 if (sc->maxburst) { 303 int ctest5 = bus_space_read_1(sc->sc_rt, sc->sc_rh, 304 SIOP_CTEST5); 305 bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4, 306 bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4) & 307 ~CTEST4_BDIS); 308 dmode &= ~DMODE_BL_MASK; 309 dmode |= ((sc->maxburst - 1) << DMODE_BL_SHIFT) & DMODE_BL_MASK; 310 ctest5 &= ~CTEST5_BBCK; 311 ctest5 |= (sc->maxburst - 1) & CTEST5_BBCK; 312 bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST5, ctest5); 313 } else { 314 bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4, 315 bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4) | 316 CTEST4_BDIS); 317 } 318 bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_DMODE, dmode); 319 } 320
Indexes created Tue Sep 23 02:09:52 GMT 2025