171 lines
5.3 KiB
C
171 lines
5.3 KiB
C
/* $OpenBSD: cy_pci.c,v 1.16 2022/03/11 18:00:45 mpi Exp $ */
|
|
/*
|
|
* Copyright (c) 1996 Timo Rossi.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the author nor the names of contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* cy_pci.c
|
|
*
|
|
* Driver for Cyclades Cyclom-8/16/32 multiport serial cards
|
|
* (currently not tested with Cyclom-32 cards)
|
|
*
|
|
* Timo Rossi, 1996
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcidevs.h>
|
|
|
|
#include <dev/ic/cd1400reg.h>
|
|
#include <dev/ic/cyreg.h>
|
|
|
|
int cy_pci_match(struct device *, void *, void *);
|
|
void cy_pci_attach(struct device *, struct device *, void *);
|
|
|
|
struct cy_pci_softc {
|
|
struct cy_softc sc_cy; /* real softc */
|
|
|
|
bus_space_tag_t sc_iot; /* PLX i/o tag */
|
|
bus_space_handle_t sc_ioh; /* PLX i/o handle */
|
|
};
|
|
|
|
const struct cfattach cy_pci_ca = {
|
|
sizeof(struct cy_pci_softc), cy_pci_match, cy_pci_attach
|
|
};
|
|
|
|
#define CY_PLX_9050_ICS_IENABLE 0x040
|
|
#define CY_PLX_9050_ICS_LOCAL_IENABLE 0x001
|
|
#define CY_PLX_9050_ICS_LOCAL_IPOLARITY 0x002
|
|
#define CY_PLX_9060_ICS_IENABLE 0x100
|
|
#define CY_PLX_9060_ICS_LOCAL_IENABLE 0x800
|
|
|
|
const struct pci_matchid cy_pci_devices[] = {
|
|
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOMY_1 },
|
|
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOMY_2 },
|
|
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM4Y_1 },
|
|
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM4Y_2 },
|
|
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM8Y_1 },
|
|
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM8Y_2 },
|
|
};
|
|
|
|
int
|
|
cy_pci_match(struct device *parent, void *match, void *aux)
|
|
{
|
|
return (pci_matchbyid((struct pci_attach_args *)aux, cy_pci_devices,
|
|
nitems(cy_pci_devices)));
|
|
}
|
|
|
|
void
|
|
cy_pci_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct cy_pci_softc *psc = (struct cy_pci_softc *)self;
|
|
struct cy_softc *sc = (struct cy_softc *)self;
|
|
struct pci_attach_args *pa = aux;
|
|
const char *intrstr = NULL;
|
|
pci_intr_handle_t ih;
|
|
pcireg_t memtype;
|
|
int plx_ver;
|
|
|
|
sc->sc_bustype = CY_BUSTYPE_PCI;
|
|
|
|
switch (PCI_PRODUCT(pa->pa_id)) {
|
|
case PCI_PRODUCT_CYCLADES_CYCLOMY_1:
|
|
case PCI_PRODUCT_CYCLADES_CYCLOM4Y_1:
|
|
case PCI_PRODUCT_CYCLADES_CYCLOM8Y_1:
|
|
memtype = PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT_1M;
|
|
break;
|
|
case PCI_PRODUCT_CYCLADES_CYCLOMY_2:
|
|
case PCI_PRODUCT_CYCLADES_CYCLOM4Y_2:
|
|
case PCI_PRODUCT_CYCLADES_CYCLOM8Y_2:
|
|
memtype = PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT;
|
|
break;
|
|
}
|
|
|
|
if (pci_mapreg_map(pa, 0x14, PCI_MAPREG_TYPE_IO, 0,
|
|
&psc->sc_iot, &psc->sc_ioh, NULL, NULL, 0) != 0) {
|
|
printf(": unable to map PLX registers\n");
|
|
return;
|
|
}
|
|
|
|
if (pci_mapreg_map(pa, 0x18, memtype, 0, &sc->sc_memt,
|
|
&sc->sc_memh, NULL, NULL, 0) != 0) {
|
|
printf(": couldn't map device registers\n");
|
|
return;
|
|
}
|
|
|
|
if ((sc->sc_nr_cd1400s = cy_probe_common(sc->sc_memt, sc->sc_memh,
|
|
CY_BUSTYPE_PCI)) == 0) {
|
|
printf(": PCI Cyclom card with no CD1400s\n");
|
|
return;
|
|
}
|
|
|
|
if (pci_intr_map(pa, &ih) != 0) {
|
|
printf(": couldn't map interrupt\n");
|
|
return;
|
|
}
|
|
|
|
intrstr = pci_intr_string(pa->pa_pc, ih);
|
|
sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_TTY, cy_intr,
|
|
sc, sc->sc_dev.dv_xname);
|
|
if (sc->sc_ih == NULL) {
|
|
printf(": couldn't establish interrupt");
|
|
if (intrstr != NULL)
|
|
printf(" at %s", intrstr);
|
|
printf("\n");
|
|
return;
|
|
}
|
|
printf(": %s", intrstr);
|
|
|
|
cy_attach(parent, self);
|
|
|
|
/* Get PLX version */
|
|
plx_ver = bus_space_read_1(sc->sc_memt, sc->sc_memh, CY_PLX_VER) & 0x0f;
|
|
|
|
/* Enable PCI card interrupts */
|
|
switch (plx_ver) {
|
|
case CY_PLX_9050:
|
|
bus_space_write_2(psc->sc_iot, psc->sc_ioh, CY_PCI_INTENA_9050,
|
|
CY_PLX_9050_ICS_IENABLE | CY_PLX_9050_ICS_LOCAL_IENABLE |
|
|
CY_PLX_9050_ICS_LOCAL_IPOLARITY);
|
|
break;
|
|
|
|
case CY_PLX_9060:
|
|
case CY_PLX_9080:
|
|
default:
|
|
bus_space_write_2(psc->sc_iot, psc->sc_ioh, CY_PCI_INTENA,
|
|
bus_space_read_2(psc->sc_iot, psc->sc_ioh,
|
|
CY_PCI_INTENA) | CY_PLX_9060_ICS_IENABLE |
|
|
CY_PLX_9060_ICS_LOCAL_IENABLE);
|
|
}
|
|
}
|