| 1 | /* $NetBSD: mpt_pci.c,v 1.25 2016/07/14 04:19:27 msaitoh 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 1.25 2016/07/14 04:19:27 msaitoh 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 intrbuf[PCI_INTRSTR_LEN]; |
| 138 | |
| 139 | pci_aprint_devinfo(pa, NULL); |
| 140 | |
| 141 | psc->sc_pc = pa->pa_pc; |
| 142 | psc->sc_tag = pa->pa_tag; |
| 143 | |
| 144 | mpt->sc_dev = self; |
| 145 | mpt->sc_dmat = pa->pa_dmat; |
| 146 | |
| 147 | /* |
| 148 | * Map the device. |
| 149 | */ |
| 150 | memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MPT_PCI_MMBA); |
| 151 | switch (memtype) { |
| 152 | case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: |
| 153 | case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: |
| 154 | memh_valid = (pci_mapreg_map(pa, MPT_PCI_MMBA, |
| 155 | memtype, 0, &memt, &memh, NULL, NULL) == 0); |
| 156 | break; |
| 157 | |
| 158 | default: |
| 159 | memh_valid = 0; |
| 160 | } |
| 161 | |
| 162 | if (memh_valid) { |
| 163 | mpt->sc_st = memt; |
| 164 | mpt->sc_sh = memh; |
| 165 | } else { |
| 166 | aprint_error_dev(self, "unable to map device registers\n" ); |
| 167 | return; |
| 168 | } |
| 169 | |
| 170 | /* |
| 171 | * Make sure the PCI command register is properly configured. |
| 172 | */ |
| 173 | reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); |
| 174 | reg |= PCI_COMMAND_MASTER_ENABLE; |
| 175 | /* XXX PCI_COMMAND_INVALIDATE_ENABLE */ |
| 176 | /* XXX PCI_COMMAND_PARITY_ENABLE */ |
| 177 | /* XXX PCI_COMMAND_SERR_ENABLE */ |
| 178 | pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg); |
| 179 | |
| 180 | /* |
| 181 | * Disable split transactions on the 53c1020 and 53c1030 for |
| 182 | * revisions older than 8. |
| 183 | */ |
| 184 | if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SYMBIOS_1030) && |
| 185 | (PCI_REVISION(pa->pa_class) < 0x08)) { |
| 186 | aprint_normal_dev(mpt->sc_dev, "applying 1030 quirk\n" ); |
| 187 | reg = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x68); |
| 188 | reg &= 0x8fffff; |
| 189 | pci_conf_write(pa->pa_pc, pa->pa_tag, 0x68, reg); |
| 190 | } |
| 191 | |
| 192 | /* |
| 193 | * Ensure that the ROM is disabled. |
| 194 | */ |
| 195 | reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM); |
| 196 | reg &= ~1; |
| 197 | pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM, reg); |
| 198 | |
| 199 | /* |
| 200 | * Map and establish our interrupt. |
| 201 | */ |
| 202 | if (pci_intr_map(pa, &ih) != 0) { |
| 203 | aprint_error_dev(mpt->sc_dev, "unable to map interrupt\n" ); |
| 204 | return; |
| 205 | } |
| 206 | intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf)); |
| 207 | psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mpt_intr, mpt); |
| 208 | if (psc->sc_ih == NULL) { |
| 209 | aprint_error_dev(mpt->sc_dev, "unable to establish interrupt" ); |
| 210 | if (intrstr != NULL) |
| 211 | aprint_error(" at %s" , intrstr); |
| 212 | aprint_error("\n" ); |
| 213 | return; |
| 214 | } |
| 215 | aprint_normal_dev(mpt->sc_dev, "interrupting at %s\n" , 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(self, "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 | |