bha_pci.c revision 1.30
1 /* $NetBSD: bha_pci.c,v 1.30 2006/11/16 01:33:08 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: bha_pci.c,v 1.30 2006/11/16 01:33:08 christos Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 46 #include <machine/bus.h> 47 #include <machine/intr.h> 48 49 #include <dev/scsipi/scsipi_all.h> 50 #include <dev/scsipi/scsiconf.h> 51 52 #include <dev/pci/pcivar.h> 53 #include <dev/pci/pcidevs.h> 54 55 #include <dev/ic/bhareg.h> 56 #include <dev/ic/bhavar.h> 57 58 #define PCI_CBIO 0x10 59 60 /* 61 * Check the slots looking for a board we recognise 62 * If we find one, note it's address (slot) and call 63 * the actual probe routine to check it out. 64 */ 65 static int 66 bha_pci_match(struct device *parent, struct cfdata *match, 67 void *aux) 68 { 69 struct pci_attach_args *pa = aux; 70 bus_space_tag_t iot; 71 bus_space_handle_t ioh; 72 bus_size_t iosize; 73 int rv; 74 75 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_BUSLOGIC) 76 return (0); 77 78 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC && 79 PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_MULTIMASTER) 80 return (0); 81 82 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, 83 NULL, &iosize)) 84 return (0); 85 86 rv = bha_find(iot, ioh); 87 88 bus_space_unmap(iot, ioh, iosize); 89 90 return (rv); 91 } 92 93 /* 94 * Attach all the sub-devices we can find 95 */ 96 static void 97 bha_pci_attach(struct device *parent, struct device *self, void *aux) 98 { 99 struct pci_attach_args *pa = aux; 100 struct bha_softc *sc = (void *)self; 101 bus_space_tag_t iot; 102 bus_space_handle_t ioh; 103 pci_chipset_tag_t pc = pa->pa_pc; 104 pci_intr_handle_t ih; 105 pcireg_t csr; 106 const char *model, *intrstr; 107 108 aprint_naive(": SCSI controller\n"); 109 110 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC) 111 model = "BusLogic 9xxC SCSI"; 112 else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER) 113 model = "BusLogic 9xxC SCSI"; 114 else 115 model = "unknown model!"; 116 aprint_normal(": %s\n", model); 117 118 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, 119 NULL, NULL)) { 120 aprint_error("%s: unable to map device registers\n", 121 sc->sc_dev.dv_xname); 122 return; 123 } 124 125 sc->sc_iot = iot; 126 sc->sc_ioh = ioh; 127 sc->sc_dmat = pa->pa_dmat; 128 if (!bha_find(iot, ioh)) 129 panic("bha_pci_attach: bha_find failed"); 130 131 sc->sc_dmaflags = 0; 132 133 csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 134 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 135 csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE); 136 137 if (pci_intr_map(pa, &ih)) { 138 aprint_error("%s: couldn't map interrupt\n", 139 sc->sc_dev.dv_xname); 140 return; 141 } 142 intrstr = pci_intr_string(pc, ih); 143 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, bha_intr, sc); 144 if (sc->sc_ih == NULL) { 145 aprint_error("%s: couldn't establish interrupt", 146 sc->sc_dev.dv_xname); 147 if (intrstr != NULL) 148 aprint_normal(" at %s", intrstr); 149 aprint_normal("\n"); 150 return; 151 } 152 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 153 154 bha_attach(sc); 155 156 bha_disable_isacompat(sc); 157 } 158 159 CFATTACH_DECL(bha_pci, sizeof(struct bha_softc), 160 bha_pci_match, bha_pci_attach, NULL, NULL); 161
Indexes created Mon Sep 22 21:09:42 GMT 2025