1 /* $NetBSD: mpt_pci.c,v 1.22 2012/03/18 21:05:21 martin 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 1.22 2012/03/18 21:05:21 martin 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; 137 138 pci_aprint_devinfo(pa, NULL); 139 140 psc->sc_pc = pa->pa_pc; 141 psc->sc_tag = pa->pa_tag; 142 143 mpt->sc_dev = self; 144 mpt->sc_dmat = pa->pa_dmat; 145 146 /* 147 * Map the device. 148 */ 149 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MPT_PCI_MMBA); 150 switch (memtype) { 151 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 152 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 153 memh_valid = (pci_mapreg_map(pa, MPT_PCI_MMBA, 154 memtype, 0, &memt, &memh, NULL, NULL) == 0); 155 break; 156 157 default: 158 memh_valid = 0; 159 } 160 161 if (memh_valid) { 162 mpt->sc_st = memt; 163 mpt->sc_sh = memh; 164 } else { 165 aprint_error_dev(mpt->sc_dev, "unable to map device registers\n"); 166 return; 167 } 168 169 /* 170 * Make sure the PCI command register is properly configured. 171 */ 172 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 173 reg |= PCI_COMMAND_MASTER_ENABLE; 174 /* XXX PCI_COMMAND_INVALIDATE_ENABLE */ 175 /* XXX PCI_COMMAND_PARITY_ENABLE */ 176 /* XXX PCI_COMMAND_SERR_ENABLE */ 177 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg); 178 179 /* 180 * Disable split transactions on the 53c1020 and 53c1030 for 181 * revisions older than 8. 182 */ 183 if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SYMBIOS_1030) && 184 (PCI_REVISION(pa->pa_class) < 0x08)) { 185 aprint_normal_dev(mpt->sc_dev, "applying 1030 quirk\n"); 186 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x68); 187 reg &= 0x8fffff; 188 pci_conf_write(pa->pa_pc, pa->pa_tag, 0x68, reg); 189 } 190 191 /* 192 * Ensure that the ROM is disabled. 193 */ 194 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM); 195 reg &= ~1; 196 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM, reg); 197 198 /* 199 * Map and establish our interrupt. 200 */ 201 if (pci_intr_map(pa, &ih) != 0) { 202 aprint_error_dev(mpt->sc_dev, "unable to map interrupt\n"); 203 return; 204 } 205 intrstr = pci_intr_string(pa->pa_pc, ih); 206 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mpt_intr, mpt); 207 if (psc->sc_ih == NULL) { 208 aprint_error_dev(mpt->sc_dev, "unable to establish interrupt"); 209 if (intrstr != NULL) 210 aprint_error(" at %s", intrstr); 211 aprint_error("\n"); 212 return; 213 } 214 aprint_normal_dev(mpt->sc_dev, "interrupting at %s\n", 215 intrstr); 216 217 /* Disable interrupts on the part. */ 218 mpt_disable_ints(mpt); 219 220 /* Allocate DMA memory. */ 221 if (mpt_dma_mem_alloc(mpt) != 0) { 222 aprint_error_dev(mpt->sc_dev, "unable to allocate DMA memory\n"); 223 return; 224 } 225 226 /* Initialize the hardware. */ 227 if (mpt_init(mpt, MPT_DB_INIT_HOST) != 0) { 228 /* Error message already printed. */ 229 return; 230 } 231 232 /* Attach to scsipi. */ 233 mpt_scsipi_attach(mpt); 234 } 235 236 CFATTACH_DECL_NEW(mpt_pci, sizeof(struct mpt_pci_softc), 237 mpt_pci_match, mpt_pci_attach, NULL, NULL); 238 239