1185377Ssam/* $OpenBSD: cy_pci.c,v 1.16 2022/03/11 18:00:45 mpi Exp $ */ 2185377Ssam/* 3185377Ssam * Copyright (c) 1996 Timo Rossi. 4185377Ssam * All rights reserved. 5185377Ssam * 6185377Ssam * Redistribution and use in source and binary forms, with or without 7185377Ssam * modification, are permitted provided that the following conditions 8185377Ssam * are met: 9185377Ssam * 1. Redistributions of source code must retain the above copyright 10185377Ssam * notice, this list of conditions and the following disclaimer. 11185377Ssam * 2. Redistributions in binary form must reproduce the above copyright 12185377Ssam * notice, this list of conditions and the following disclaimer in the 13185377Ssam * documentation and/or other materials provided with the distribution. 14185377Ssam * 3. Neither the name of the author nor the names of contributors 15185377Ssam * may be used to endorse or promote products derived from this software 16185377Ssam * without specific prior written permission. 17188970Ssam * 18185377Ssam * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19185377Ssam * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20185377Ssam * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21185377Ssam * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22185377Ssam * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23185377Ssam * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24185377Ssam * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25189747Ssam * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26189747Ssam * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27185377Ssam * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28185377Ssam * SUCH DAMAGE. 29185377Ssam */ 30185377Ssam 31185377Ssam/* 32185377Ssam * cy_pci.c 33235972Sadrian * 34235972Sadrian * Driver for Cyclades Cyclom-8/16/32 multiport serial cards 35235957Sadrian * (currently not tested with Cyclom-32 cards) 36189747Ssam * 37189747Ssam * Timo Rossi, 1996 38189747Ssam */ 39189747Ssam 40188979Ssam#include <sys/param.h> 41185377Ssam#include <sys/systm.h> 42185377Ssam#include <sys/device.h> 43185377Ssam 44185377Ssam#include <machine/bus.h> 45185377Ssam 46185377Ssam#include <dev/pci/pcivar.h> 47185377Ssam#include <dev/pci/pcireg.h> 48185377Ssam#include <dev/pci/pcidevs.h> 49185377Ssam 50242408Sadrian#include <dev/ic/cd1400reg.h> 51242408Sadrian#include <dev/ic/cyreg.h> 52185377Ssam 53185377Ssamint cy_pci_match(struct device *, void *, void *); 54185377Ssamvoid cy_pci_attach(struct device *, struct device *, void *); 55185377Ssam 56185377Ssamstruct cy_pci_softc { 57185377Ssam struct cy_softc sc_cy; /* real softc */ 58185377Ssam 59185377Ssam bus_space_tag_t sc_iot; /* PLX i/o tag */ 60185377Ssam bus_space_handle_t sc_ioh; /* PLX i/o handle */ 61185377Ssam}; 62219979Sadrian 63222276Sadrianconst struct cfattach cy_pci_ca = { 64242411Sadrian sizeof(struct cy_pci_softc), cy_pci_match, cy_pci_attach 65185377Ssam}; 66185377Ssam 67185377Ssam#define CY_PLX_9050_ICS_IENABLE 0x040 68219393Sadrian#define CY_PLX_9050_ICS_LOCAL_IENABLE 0x001 69219393Sadrian#define CY_PLX_9050_ICS_LOCAL_IPOLARITY 0x002 70219393Sadrian#define CY_PLX_9060_ICS_IENABLE 0x100 71219393Sadrian#define CY_PLX_9060_ICS_LOCAL_IENABLE 0x800 72219393Sadrian 73219393Sadrianconst struct pci_matchid cy_pci_devices[] = { 74219393Sadrian { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOMY_1 }, 75219393Sadrian { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOMY_2 }, 76219393Sadrian { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM4Y_1 }, 77219393Sadrian { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM4Y_2 }, 78219393Sadrian { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM8Y_1 }, 79219393Sadrian { PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM8Y_2 }, 80219393Sadrian}; 81185377Ssam 82185377Ssamint 83185377Ssamcy_pci_match(struct device *parent, void *match, void *aux) 84185377Ssam{ 85185377Ssam return (pci_matchbyid((struct pci_attach_args *)aux, cy_pci_devices, 86185377Ssam nitems(cy_pci_devices))); 87185377Ssam} 88185377Ssam 89185377Ssamvoid 90185377Ssamcy_pci_attach(struct device *parent, struct device *self, void *aux) 91185377Ssam{ 92185377Ssam struct cy_pci_softc *psc = (struct cy_pci_softc *)self; 93185377Ssam struct cy_softc *sc = (struct cy_softc *)self; 94185377Ssam struct pci_attach_args *pa = aux; 95185377Ssam const char *intrstr = NULL; 96185377Ssam pci_intr_handle_t ih; 97185377Ssam pcireg_t memtype; 98185377Ssam int plx_ver; 99185377Ssam 100185377Ssam sc->sc_bustype = CY_BUSTYPE_PCI; 101185377Ssam 102185377Ssam switch (PCI_PRODUCT(pa->pa_id)) { 103188979Ssam case PCI_PRODUCT_CYCLADES_CYCLOMY_1: 104235957Sadrian case PCI_PRODUCT_CYCLADES_CYCLOM4Y_1: 105185377Ssam case PCI_PRODUCT_CYCLADES_CYCLOM8Y_1: 106185380Ssam memtype = PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT_1M; 107185380Ssam break; 108185377Ssam case PCI_PRODUCT_CYCLADES_CYCLOMY_2: 109203930Srpaulo case PCI_PRODUCT_CYCLADES_CYCLOM4Y_2: 110203930Srpaulo case PCI_PRODUCT_CYCLADES_CYCLOM8Y_2: 111185377Ssam memtype = PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT; 112185377Ssam break; 113185377Ssam } 114185377Ssam 115185377Ssam if (pci_mapreg_map(pa, 0x14, PCI_MAPREG_TYPE_IO, 0, 116185377Ssam &psc->sc_iot, &psc->sc_ioh, NULL, NULL, 0) != 0) { 117185377Ssam printf(": unable to map PLX registers\n"); 118217621Sadrian return; 119219792Sadrian } 120219792Sadrian 121185377Ssam if (pci_mapreg_map(pa, 0x18, memtype, 0, &sc->sc_memt, 122185377Ssam &sc->sc_memh, NULL, NULL, 0) != 0) { 123224512Sadrian printf(": couldn't map device registers\n"); 124224512Sadrian return; 125234747Sadrian } 126185377Ssam 127185377Ssam if ((sc->sc_nr_cd1400s = cy_probe_common(sc->sc_memt, sc->sc_memh, 128185377Ssam CY_BUSTYPE_PCI)) == 0) { 129185377Ssam printf(": PCI Cyclom card with no CD1400s\n"); 130217687Sadrian return; 131217687Sadrian } 132217687Sadrian 133185377Ssam if (pci_intr_map(pa, &ih) != 0) { 134185377Ssam printf(": couldn't map interrupt\n"); 135217686Sadrian return; 136231368Sadrian } 137185377Ssam 138185377Ssam intrstr = pci_intr_string(pa->pa_pc, ih); 139185377Ssam sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_TTY, cy_intr, 140185377Ssam sc, sc->sc_dev.dv_xname); 141185377Ssam if (sc->sc_ih == NULL) { 142185377Ssam printf(": couldn't establish interrupt"); 143185377Ssam if (intrstr != NULL) 144225444Sadrian printf(" at %s", intrstr); 145243424Sadrian printf("\n"); 146185377Ssam return; 147185377Ssam } 148185377Ssam printf(": %s", intrstr); 149185377Ssam 150185377Ssam cy_attach(parent, self); 151222644Sadrian 152234873Sadrian /* Get PLX version */ 153247286Sadrian plx_ver = bus_space_read_1(sc->sc_memt, sc->sc_memh, CY_PLX_VER) & 0x0f; 154185377Ssam 155185377Ssam /* Enable PCI card interrupts */ 156185377Ssam switch (plx_ver) { 157185377Ssam case CY_PLX_9050: 158222584Sadrian bus_space_write_2(psc->sc_iot, psc->sc_ioh, CY_PCI_INTENA_9050, 159222584Sadrian CY_PLX_9050_ICS_IENABLE | CY_PLX_9050_ICS_LOCAL_IENABLE | 160222584Sadrian CY_PLX_9050_ICS_LOCAL_IPOLARITY); 161239638Sadrian break; 162222815Sadrian 163224709Sadrian case CY_PLX_9060: 164222584Sadrian case CY_PLX_9080: 165244943Sadrian default: 166244943Sadrian bus_space_write_2(psc->sc_iot, psc->sc_ioh, CY_PCI_INTENA, 167244943Sadrian bus_space_read_2(psc->sc_iot, psc->sc_ioh, 168244943Sadrian CY_PCI_INTENA) | CY_PLX_9060_ICS_IENABLE | 169244943Sadrian CY_PLX_9060_ICS_LOCAL_IENABLE); 170244943Sadrian } 171244943Sadrian} 172244943Sadrian