1 /* $OpenBSD: ccp_pci.c,v 1.5 2020/01/04 01:34:24 jsg Exp $ */ 2 3 /* 4 * Copyright (c) 2018 David Gwynne <dlg@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/param.h> 20 #include <sys/systm.h> 21 #include <sys/kernel.h> 22 #include <sys/rwlock.h> 23 #include <sys/device.h> 24 #include <sys/timeout.h> 25 #include <sys/queue.h> 26 27 #include <machine/bus.h> 28 29 #include <dev/pci/pcidevs.h> 30 #include <dev/pci/pcivar.h> 31 32 #include <dev/ic/ccpvar.h> 33 34 #define CCP_PCI_BAR 0x18 35 36 int ccp_pci_match(struct device *, void *, void *); 37 void ccp_pci_attach(struct device *, struct device *, void *); 38 39 struct cfattach ccp_pci_ca = { 40 sizeof(struct ccp_softc), 41 ccp_pci_match, 42 ccp_pci_attach, 43 }; 44 45 static const struct pci_matchid ccp_pci_devices[] = { 46 { PCI_VENDOR_AMD, PCI_PRODUCT_AMD_16_CCP }, 47 { PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_CCP_1 }, 48 { PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_CCP_2 }, 49 { PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_1X_CCP }, 50 { PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_3X_CCP }, 51 }; 52 53 int 54 ccp_pci_match(struct device *parent, void *match, void *aux) 55 { 56 return (pci_matchbyid(aux, ccp_pci_devices, nitems(ccp_pci_devices))); 57 } 58 59 void 60 ccp_pci_attach(struct device *parent, struct device *self, void *aux) 61 { 62 struct ccp_softc *sc = (struct ccp_softc *)self; 63 struct pci_attach_args *pa = aux; 64 pcireg_t memtype; 65 66 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, CCP_PCI_BAR); 67 if (PCI_MAPREG_TYPE(memtype) != PCI_MAPREG_TYPE_MEM) { 68 printf(": wrong memory type\n"); 69 return; 70 } 71 72 if (pci_mapreg_map(pa, CCP_PCI_BAR, memtype, 0, 73 &sc->sc_iot, &sc->sc_ioh, NULL, NULL, 0) != 0) { 74 printf(": cannot map registers\n"); 75 return; 76 } 77 78 ccp_attach(sc); 79 } 80