1 /* $OpenBSD: ccp_pci.c,v 1.14 2024/10/24 18:52:59 bluhm 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/device.h>
22 #include <sys/timeout.h>
23
24 #include <machine/bus.h>
25
26 #include <dev/pci/pcidevs.h>
27 #include <dev/pci/pcivar.h>
28
29 #include <dev/ic/ccpvar.h>
30 #include <dev/ic/pspvar.h>
31
32 #include "psp.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 const 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 { PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_90_CCP },
52 { PCI_VENDOR_AMD, PCI_PRODUCT_AMD_19_1X_PSP },
53 };
54
55 int
ccp_pci_match(struct device * parent,void * match,void * aux)56 ccp_pci_match(struct device *parent, void *match, void *aux)
57 {
58 return (pci_matchbyid(aux, ccp_pci_devices, nitems(ccp_pci_devices)));
59 }
60
61 void
ccp_pci_attach(struct device * parent,struct device * self,void * aux)62 ccp_pci_attach(struct device *parent, struct device *self, void *aux)
63 {
64 struct ccp_softc *sc = (struct ccp_softc *)self;
65 struct pci_attach_args *pa = aux;
66 pcireg_t memtype;
67 #if NPSP > 0
68 int psp_matched;
69 #endif
70
71 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, CCP_PCI_BAR);
72 if (PCI_MAPREG_TYPE(memtype) != PCI_MAPREG_TYPE_MEM) {
73 printf(": wrong memory type\n");
74 return;
75 }
76
77 if (pci_mapreg_map(pa, CCP_PCI_BAR, memtype, 0,
78 &sc->sc_iot, &sc->sc_ioh, NULL, NULL, 0) != 0) {
79 printf(": cannot map registers\n");
80 return;
81 }
82
83 #if NPSP > 0
84 psp_matched = psp_pci_match(sc, aux);
85 if (psp_matched)
86 psp_pci_intr_map(sc, pa);
87 #endif
88
89 ccp_attach(sc);
90
91 #if NPSP > 0
92 if (psp_matched)
93 psp_pci_attach(sc, pa);
94 #endif
95 }
96