1 /* $OpenBSD: cy_pci.c,v 1.12 2002/11/19 18:40:17 jason Exp $ */ 2 /* 3 * Copyright (c) 1996 Timo Rossi. 4 * All rights reserved. 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. Neither the name of the author nor the names of contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 /* 32 * cy_pci.c 33 * 34 * Driver for Cyclades Cyclom-8/16/32 multiport serial cards 35 * (currently not tested with Cyclom-32 cards) 36 * 37 * Timo Rossi, 1996 38 */ 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/device.h> 43 44 #include <machine/bus.h> 45 46 #include <dev/pci/pcivar.h> 47 #include <dev/pci/pcireg.h> 48 #include <dev/pci/pcidevs.h> 49 50 #include <dev/ic/cd1400reg.h> 51 #include <dev/ic/cyreg.h> 52 53 int cy_pci_match(struct device *, void *, void *); 54 void cy_pci_attach(struct device *, struct device *, void *); 55 56 struct cy_pci_softc { 57 struct cy_softc sc_cy; /* real softc */ 58 59 bus_space_tag_t sc_iot; /* PLX i/o tag */ 60 bus_space_handle_t sc_ioh; /* PLX i/o handle */ 61 }; 62 63 struct cfattach cy_pci_ca = { 64 sizeof(struct cy_pci_softc), cy_pci_match, cy_pci_attach 65 }; 66 67 #define CY_PLX_9050_ICS_IENABLE 0x040 68 #define CY_PLX_9050_ICS_LOCAL_IENABLE 0x001 69 #define CY_PLX_9050_ICS_LOCAL_IPOLARITY 0x002 70 #define CY_PLX_9060_ICS_IENABLE 0x100 71 #define CY_PLX_9060_ICS_LOCAL_IENABLE 0x800 72 73 const struct pci_matchid cy_pci_devices[] = { 74 { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOMY_1 }, 75 { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOMY_2 }, 76 { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM4Y_1 }, 77 { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM4Y_2 }, 78 { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM8Y_1 }, 79 { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM8Y_2 }, 80 }; 81 82 int 83 cy_pci_match(parent, match, aux) 84 struct device *parent; 85 void *match, *aux; 86 { 87 return (pci_matchbyid((struct pci_attach_args *)aux, cy_pci_devices, 88 sizeof(cy_pci_devices)/sizeof(cy_pci_devices[0]))); 89 } 90 91 void 92 cy_pci_attach(parent, self, aux) 93 struct device *parent, *self; 94 void *aux; 95 { 96 struct cy_pci_softc *psc = (struct cy_pci_softc *)self; 97 struct cy_softc *sc = (struct cy_softc *)self; 98 struct pci_attach_args *pa = aux; 99 pci_intr_handle_t ih; 100 pcireg_t memtype; 101 int plx_ver; 102 103 sc->sc_bustype = CY_BUSTYPE_PCI; 104 105 switch (PCI_PRODUCT(pa->pa_id)) { 106 case PCI_PRODUCT_CYCLADES_CYCLOMY_1: 107 case PCI_PRODUCT_CYCLADES_CYCLOM4Y_1: 108 case PCI_PRODUCT_CYCLADES_CYCLOM8Y_1: 109 memtype = PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT_1M; 110 break; 111 case PCI_PRODUCT_CYCLADES_CYCLOMY_2: 112 case PCI_PRODUCT_CYCLADES_CYCLOM4Y_2: 113 case PCI_PRODUCT_CYCLADES_CYCLOM8Y_2: 114 memtype = PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT; 115 break; 116 } 117 118 if (pci_mapreg_map(pa, 0x14, PCI_MAPREG_TYPE_IO, 0, 119 &psc->sc_iot, &psc->sc_ioh, NULL, NULL, 0) != 0) { 120 printf("%s: unable to map PLX registers\n", 121 sc->sc_dev.dv_xname); 122 return; 123 } 124 125 if (pci_mapreg_map(pa, 0x18, memtype, 0, &sc->sc_memt, 126 &sc->sc_memh, NULL, NULL, 0) != 0) { 127 printf("%s: couldn't map device registers\n", 128 sc->sc_dev.dv_xname); 129 return; 130 } 131 132 if ((sc->sc_nr_cd1400s = cy_probe_common(sc->sc_memt, sc->sc_memh, 133 CY_BUSTYPE_PCI)) == 0) { 134 printf("%s: PCI Cyclom card with no CD1400s\n", 135 sc->sc_dev.dv_xname); 136 return; 137 } 138 139 if (pci_intr_map(pa, &ih) != 0) 140 panic("%s: couldn't map PCI interrupt", sc->sc_dev.dv_xname); 141 142 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_TTY, cy_intr, 143 sc, sc->sc_dev.dv_xname); 144 if (sc->sc_ih == NULL) 145 panic("%s: couldn't establish interrupt", sc->sc_dev.dv_xname); 146 147 cy_attach(parent, self); 148 149 /* Get PLX version */ 150 plx_ver = bus_space_read_1(sc->sc_memt, sc->sc_memh, CY_PLX_VER) & 0x0f; 151 152 /* Enable PCI card interrupts */ 153 switch (plx_ver) { 154 case CY_PLX_9050: 155 bus_space_write_2(psc->sc_iot, psc->sc_ioh, CY_PCI_INTENA_9050, 156 CY_PLX_9050_ICS_IENABLE | CY_PLX_9050_ICS_LOCAL_IENABLE | 157 CY_PLX_9050_ICS_LOCAL_IPOLARITY); 158 break; 159 160 case CY_PLX_9060: 161 case CY_PLX_9080: 162 default: 163 bus_space_write_2(psc->sc_iot, psc->sc_ioh, CY_PCI_INTENA, 164 bus_space_read_2(psc->sc_iot, psc->sc_ioh, 165 CY_PCI_INTENA) | CY_PLX_9060_ICS_IENABLE | 166 CY_PLX_9060_ICS_LOCAL_IENABLE); 167 } 168 } 169