diff options
Diffstat (limited to 'sys/dev/pci/ccp_pci.c')
-rw-r--r-- | sys/dev/pci/ccp_pci.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sys/dev/pci/ccp_pci.c b/sys/dev/pci/ccp_pci.c new file mode 100644 index 00000000000..422f8044599 --- /dev/null +++ b/sys/dev/pci/ccp_pci.c @@ -0,0 +1,77 @@ +/* $OpenBSD: ccp_pci.c,v 1.1 2018/04/20 04:37:21 dlg Exp $ */ + +/* + * Copyright (c) 2018 David Gwynne <dlg@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/rwlock.h> +#include <sys/device.h> +#include <sys/timeout.h> +#include <sys/queue.h> + +#include <machine/bus.h> + +#include <dev/pci/pcidevs.h> +#include <dev/pci/pcivar.h> + +#include <dev/ic/ccpvar.h> + +#define CCP_PCI_BAR 0x18 + +int ccp_pci_match(struct device *, void *, void *); +void ccp_pci_attach(struct device *, struct device *, void *); + +struct cfattach ccp_pci_ca = { + sizeof(struct ccp_softc), + ccp_pci_match, + ccp_pci_attach, +}; + +static const struct pci_matchid ccp_pci_devices[] = { + { PCI_VENDOR_AMD, PCI_PRODUCT_AMD_CCPV3 }, + { PCI_VENDOR_AMD, PCI_PRODUCT_AMD_CCPV5A }, + { PCI_VENDOR_AMD, PCI_PRODUCT_AMD_CCPV5B }, +}; + +int +ccp_pci_match(struct device *parent, void *match, void *aux) +{ + return (pci_matchbyid(aux, ccp_pci_devices, nitems(ccp_pci_devices))); +} + +void +ccp_pci_attach(struct device *parent, struct device *self, void *aux) +{ + struct ccp_softc *sc = (struct ccp_softc *)self; + struct pci_attach_args *pa = aux; + pcireg_t memtype; + + memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, CCP_PCI_BAR); + if (PCI_MAPREG_TYPE(memtype) != PCI_MAPREG_TYPE_MEM) { + printf(": wrong memory type\n"); + return; + } + + if (pci_mapreg_map(pa, CCP_PCI_BAR, memtype, 0, + &sc->sc_iot, &sc->sc_ioh, NULL, NULL, 0) != 0) { + printf(": cannot map registers\n"); + return; + } + + ccp_attach(sc); +} |