bha_pci.c revision 1.20
1 /* $NetBSD: bha_pci.c,v 1.20 2001/11/13 07:48:41 lukem 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 1.20 2001/11/13 07:48:41 lukem Exp $"); 41 42 #include <sys/types.h> 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 47 #include <machine/bus.h> 48 #include <machine/intr.h> 49 50 #include <dev/scsipi/scsipi_all.h> 51 #include <dev/scsipi/scsiconf.h> 52 53 #include <dev/pci/pcivar.h> 54 #include <dev/pci/pcidevs.h> 55 56 #include <dev/ic/bhareg.h> 57 #include <dev/ic/bhavar.h> 58 59 #define PCI_CBIO 0x10 60 61 int bha_pci_match __P((struct device *, struct cfdata *, void *)); 62 void bha_pci_attach __P((struct device *, struct device *, void *)); 63 64 struct cfattach bha_pci_ca = { 65 sizeof(struct bha_softc), bha_pci_match, bha_pci_attach 66 }; 67 68 /* 69 * Check the slots looking for a board we recognise 70 * If we find one, note it's address (slot) and call 71 * the actual probe routine to check it out. 72 */ 73 int 74 bha_pci_match(parent, match, aux) 75 struct device *parent; 76 struct cfdata *match; 77 void *aux; 78 { 79 struct pci_attach_args *pa = aux; 80 bus_space_tag_t iot; 81 bus_space_handle_t ioh; 82 bus_size_t iosize; 83 int rv; 84 85 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_BUSLOGIC) 86 return (0); 87 88 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC && 89 PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_MULTIMASTER) 90 return (0); 91 92 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, 93 NULL, &iosize)) 94 return (0); 95 96 rv = bha_find(iot, ioh); 97 98 bus_space_unmap(iot, ioh, iosize); 99 100 return (rv); 101 } 102 103 /* 104 * Attach all the sub-devices we can find 105 */ 106 void 107 bha_pci_attach(parent, self, aux) 108 struct device *parent, *self; 109 void *aux; 110 { 111 struct pci_attach_args *pa = aux; 112 struct bha_softc *sc = (void *)self; 113 bus_space_tag_t iot; 114 bus_space_handle_t ioh; 115 pci_chipset_tag_t pc = pa->pa_pc; 116 pci_intr_handle_t ih; 117 pcireg_t csr; 118 const char *model, *intrstr; 119 120 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC) 121 model = "BusLogic 9xxC SCSI"; 122 else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER) 123 model = "BusLogic 9xxC SCSI"; 124 else 125 model = "unknown model!"; 126 printf(": %s\n", model); 127 128 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, 129 NULL, NULL)) { 130 printf("%s: unable to map device registers\n", 131 sc->sc_dev.dv_xname); 132 return; 133 } 134 135 sc->sc_iot = iot; 136 sc->sc_ioh = ioh; 137 sc->sc_dmat = pa->pa_dmat; 138 if (!bha_find(iot, ioh)) 139 panic("bha_pci_attach: bha_find failed"); 140 141 sc->sc_dmaflags = 0; 142 143 csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 144 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 145 csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE); 146 147 if (pci_intr_map(pa, &ih)) { 148 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 149 return; 150 } 151 intrstr = pci_intr_string(pc, ih); 152 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, bha_intr, sc); 153 if (sc->sc_ih == NULL) { 154 printf("%s: couldn't establish interrupt", 155 sc->sc_dev.dv_xname); 156 if (intrstr != NULL) 157 printf(" at %s", intrstr); 158 printf("\n"); 159 return; 160 } 161 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 162 163 bha_attach(sc); 164 165 bha_disable_isacompat(sc); 166 } 167
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