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Diffstat (limited to 'sys/dev/pci/ccp_pci.c')
-rw-r--r--sys/dev/pci/ccp_pci.c77
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);
+}