235 lines
6.1 KiB
C
235 lines
6.1 KiB
C
/* $OpenBSD: qla_pci.c,v 1.10 2024/05/24 06:02:58 jsg Exp $ */
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/*
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* Copyright (c) 2011 David Gwynne <dlg@openbsd.org>
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* Copyright (c) 2013, 2014 Jonathan Matthew <jmatthew@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#ifdef __sparc64__
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#include <dev/ofw/openfirm.h>
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#endif
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#include <scsi/scsi_all.h>
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#include <scsi/scsiconf.h>
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#include <dev/ic/qlareg.h>
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#include <dev/ic/qlavar.h>
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#define QLA_PCI_MEM_BAR 0x14
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#define QLA_PCI_IO_BAR 0x10
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int qla_pci_match(struct device *, void *, void *);
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void qla_pci_attach(struct device *, struct device *, void *);
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int qla_pci_detach(struct device *, int);
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struct qla_pci_softc {
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struct qla_softc psc_qla;
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pci_chipset_tag_t psc_pc;
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pcitag_t psc_tag;
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void *psc_ih;
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};
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const struct cfattach qla_pci_ca = {
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sizeof(struct qla_pci_softc),
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qla_pci_match,
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qla_pci_attach
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};
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#define PREAD(s, r) pci_conf_read((s)->psc_pc, (s)->psc_tag, (r))
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#define PWRITE(s, r, v) pci_conf_write((s)->psc_pc, (s)->psc_tag, (r), (v))
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static const struct pci_matchid qla_devices[] = {
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{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2100 },
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{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2200 },
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{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2300 },
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{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2312 },
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{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2322 },
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{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP6312 },
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{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP6322 },
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};
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int
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qla_pci_match(struct device *parent, void *match, void *aux)
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{
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return (pci_matchbyid(aux, qla_devices, nitems(qla_devices)) * 2);
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}
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void
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qla_pci_attach(struct device *parent, struct device *self, void *aux)
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{
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struct qla_pci_softc *psc = (void *)self;
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struct qla_softc *sc = &psc->psc_qla;
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struct pci_attach_args *pa = aux;
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pci_intr_handle_t ih;
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const char *intrstr;
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u_int32_t pcictl;
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#ifdef __sparc64__
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u_int64_t wwn;
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int node;
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#endif
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pcireg_t bars[] = { QLA_PCI_MEM_BAR, QLA_PCI_IO_BAR };
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pcireg_t memtype;
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int r;
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psc->psc_pc = pa->pa_pc;
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psc->psc_tag = pa->pa_tag;
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psc->psc_ih = NULL;
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sc->sc_dmat = pa->pa_dmat;
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sc->sc_ios = 0;
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for (r = 0; r < nitems(bars); r++) {
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memtype = pci_mapreg_type(psc->psc_pc, psc->psc_tag, bars[r]);
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if (pci_mapreg_map(pa, bars[r], memtype, 0,
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&sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_ios, 0) == 0)
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break;
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sc->sc_ios = 0;
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}
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if (sc->sc_ios == 0) {
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printf(": unable to map registers\n");
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return;
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}
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if (pci_intr_map(pa, &ih)) {
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printf(": unable to map interrupt\n");
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goto unmap;
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}
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intrstr = pci_intr_string(psc->psc_pc, ih);
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psc->psc_ih = pci_intr_establish(psc->psc_pc, ih, IPL_BIO,
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qla_intr, sc, DEVNAME(sc));
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if (psc->psc_ih == NULL) {
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printf(": unable to establish interrupt");
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if (intrstr != NULL)
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printf(" at %s", intrstr);
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printf("\n");
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goto deintr;
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}
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printf(": %s\n", intrstr);
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pcictl = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
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pcictl |= PCI_COMMAND_INVALIDATE_ENABLE |
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PCI_COMMAND_PARITY_ENABLE | PCI_COMMAND_SERR_ENABLE;
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/* fw manual says to enable bus master here, then disable it while
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* resetting.. hm.
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*/
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pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, pcictl);
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pcictl = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
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pcictl &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
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pcictl &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT);
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pcictl |= (0x80 << PCI_LATTIMER_SHIFT);
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pcictl |= (0x10 << PCI_CACHELINE_SHIFT);
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pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, pcictl);
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pcictl = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ROM_REG);
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pcictl &= ~1;
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pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_ROM_REG, pcictl);
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switch (PCI_PRODUCT(pa->pa_id)) {
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case PCI_PRODUCT_QLOGIC_ISP2100:
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sc->sc_isp_gen = QLA_GEN_ISP2100;
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sc->sc_isp_type = QLA_ISP2100;
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break;
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case PCI_PRODUCT_QLOGIC_ISP2200:
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sc->sc_isp_gen = QLA_GEN_ISP2200;
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sc->sc_isp_type = QLA_ISP2200;
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break;
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case PCI_PRODUCT_QLOGIC_ISP2300:
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sc->sc_isp_type = QLA_ISP2300;
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sc->sc_isp_gen = QLA_GEN_ISP23XX;
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break;
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case PCI_PRODUCT_QLOGIC_ISP2312:
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case PCI_PRODUCT_QLOGIC_ISP6312:
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sc->sc_isp_type = QLA_ISP2312;
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sc->sc_isp_gen = QLA_GEN_ISP23XX;
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break;
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case PCI_PRODUCT_QLOGIC_ISP2322:
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case PCI_PRODUCT_QLOGIC_ISP6322:
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sc->sc_isp_type = QLA_ISP2322;
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sc->sc_isp_gen = QLA_GEN_ISP23XX;
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break;
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default:
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printf("unknown pci id %x", pa->pa_id);
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return;
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}
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#ifdef __sparc64__
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node = PCITAG_NODE(pa->pa_tag);
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if (OF_getprop(node, "port-wwn", &wwn, sizeof(wwn)) == sizeof(wwn))
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sc->sc_port_name = wwn;
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if (OF_getprop(node, "node-wwn", &wwn, sizeof(wwn)) == sizeof(wwn))
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sc->sc_node_name = wwn;
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#endif
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sc->sc_port = pa->pa_function;
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if (qla_attach(sc) != 0) {
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/* error printed by qla_attach */
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goto deintr;
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}
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return;
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deintr:
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pci_intr_disestablish(psc->psc_pc, psc->psc_ih);
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psc->psc_ih = NULL;
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unmap:
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bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
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sc->sc_ios = 0;
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}
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int
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qla_pci_detach(struct device *self, int flags)
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{
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struct qla_pci_softc *psc = (struct qla_pci_softc *)self;
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struct qla_softc *sc = &psc->psc_qla;
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int rv;
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if (psc->psc_ih == NULL) {
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/* we didnt attach properly, so nothing to detach */
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return (0);
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}
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rv = qla_detach(sc, flags);
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if (rv != 0)
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return (rv);
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pci_intr_disestablish(psc->psc_pc, psc->psc_ih);
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psc->psc_ih = NULL;
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bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
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sc->sc_ios = 0;
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return (0);
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}
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