81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/* $OpenBSD: ccp_pci.c,v 1.7 2022/10/24 04:57:29 jsg Exp $ */
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/*
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* Copyright (c) 2018 David Gwynne <dlg@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/kernel.h>
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#include <sys/rwlock.h>
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#include <sys/device.h>
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#include <sys/timeout.h>
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#include <sys/queue.h>
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#include <machine/bus.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/pci/pcivar.h>
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#include <dev/ic/ccpvar.h>
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#define CCP_PCI_BAR 0x18
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int ccp_pci_match(struct device *, void *, void *);
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void ccp_pci_attach(struct device *, struct device *, void *);
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const struct cfattach ccp_pci_ca = {
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sizeof(struct ccp_softc),
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ccp_pci_match,
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ccp_pci_attach,
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};
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static const struct pci_matchid ccp_pci_devices[] = {
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{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_16_CCP },
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{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_CCP_1 },
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{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_CCP_2 },
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{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_1X_CCP },
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{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_3X_CCP },
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{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_90_CCP },
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};
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int
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ccp_pci_match(struct device *parent, void *match, void *aux)
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{
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return (pci_matchbyid(aux, ccp_pci_devices, nitems(ccp_pci_devices)));
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}
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void
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ccp_pci_attach(struct device *parent, struct device *self, void *aux)
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{
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struct ccp_softc *sc = (struct ccp_softc *)self;
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struct pci_attach_args *pa = aux;
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pcireg_t memtype;
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memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, CCP_PCI_BAR);
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if (PCI_MAPREG_TYPE(memtype) != PCI_MAPREG_TYPE_MEM) {
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printf(": wrong memory type\n");
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return;
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}
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if (pci_mapreg_map(pa, CCP_PCI_BAR, memtype, 0,
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&sc->sc_iot, &sc->sc_ioh, NULL, NULL, 0) != 0) {
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printf(": cannot map registers\n");
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return;
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}
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ccp_attach(sc);
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}
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