amdccp_fdt.c revision 1.1.2.2 1 1.1.2.2 pgoyette /* $NetBSD: amdccp_fdt.c,v 1.1.2.2 2018/10/20 06:58:31 pgoyette Exp $ */
2 1.1.2.2 pgoyette
3 1.1.2.2 pgoyette /*
4 1.1.2.2 pgoyette * Copyright (c) 2018 Jonathan A. Kollasch
5 1.1.2.2 pgoyette * All rights reserved.
6 1.1.2.2 pgoyette *
7 1.1.2.2 pgoyette * Redistribution and use in source and binary forms, with or without
8 1.1.2.2 pgoyette * modification, are permitted provided that the following conditions
9 1.1.2.2 pgoyette * are met:
10 1.1.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright
11 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer.
12 1.1.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright
13 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the
14 1.1.2.2 pgoyette * documentation and/or other materials provided with the distribution.
15 1.1.2.2 pgoyette *
16 1.1.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 1.1.2.2 pgoyette * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 1.1.2.2 pgoyette * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 1.1.2.2 pgoyette * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
20 1.1.2.2 pgoyette * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 1.1.2.2 pgoyette * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 1.1.2.2 pgoyette * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 1.1.2.2 pgoyette * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 1.1.2.2 pgoyette * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25 1.1.2.2 pgoyette * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
26 1.1.2.2 pgoyette * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 1.1.2.2 pgoyette */
28 1.1.2.2 pgoyette
29 1.1.2.2 pgoyette #include <sys/cdefs.h>
30 1.1.2.2 pgoyette
31 1.1.2.2 pgoyette __KERNEL_RCSID(0, "$NetBSD: amdccp_fdt.c,v 1.1.2.2 2018/10/20 06:58:31 pgoyette Exp $");
32 1.1.2.2 pgoyette
33 1.1.2.2 pgoyette #include <sys/param.h>
34 1.1.2.2 pgoyette #include <sys/systm.h>
35 1.1.2.2 pgoyette #include <sys/device.h>
36 1.1.2.2 pgoyette #include <sys/bus.h>
37 1.1.2.2 pgoyette
38 1.1.2.2 pgoyette #include <dev/fdt/fdtvar.h>
39 1.1.2.2 pgoyette
40 1.1.2.2 pgoyette #include <dev/ic/amdccpvar.h>
41 1.1.2.2 pgoyette
42 1.1.2.2 pgoyette struct amdccp_fdt_softc {
43 1.1.2.2 pgoyette struct amdccp_softc sc_sc;
44 1.1.2.2 pgoyette };
45 1.1.2.2 pgoyette
46 1.1.2.2 pgoyette static int amdccp_fdt_match(device_t, cfdata_t, void *);
47 1.1.2.2 pgoyette static void amdccp_fdt_attach(device_t, device_t, void *);
48 1.1.2.2 pgoyette
49 1.1.2.2 pgoyette CFATTACH_DECL_NEW(amdccp_fdt, sizeof(struct amdccp_fdt_softc),
50 1.1.2.2 pgoyette amdccp_fdt_match, amdccp_fdt_attach, NULL, NULL);
51 1.1.2.2 pgoyette
52 1.1.2.2 pgoyette static const struct of_compat_data compat_data[] = {
53 1.1.2.2 pgoyette { "amd,ccp-seattle-v1a", },
54 1.1.2.2 pgoyette { NULL }
55 1.1.2.2 pgoyette };
56 1.1.2.2 pgoyette
57 1.1.2.2 pgoyette static int
58 1.1.2.2 pgoyette amdccp_fdt_match(device_t parent, cfdata_t cf, void *aux)
59 1.1.2.2 pgoyette {
60 1.1.2.2 pgoyette const struct fdt_attach_args * const faa = aux;
61 1.1.2.2 pgoyette
62 1.1.2.2 pgoyette return of_match_compat_data(faa->faa_phandle, compat_data);
63 1.1.2.2 pgoyette }
64 1.1.2.2 pgoyette
65 1.1.2.2 pgoyette static void
66 1.1.2.2 pgoyette amdccp_fdt_attach(device_t parent, device_t self, void *aux)
67 1.1.2.2 pgoyette {
68 1.1.2.2 pgoyette struct amdccp_fdt_softc * const fsc = device_private(self);
69 1.1.2.2 pgoyette struct amdccp_softc * const sc = &fsc->sc_sc;
70 1.1.2.2 pgoyette const struct fdt_attach_args * const faa = aux;
71 1.1.2.2 pgoyette const int phandle = faa->faa_phandle;
72 1.1.2.2 pgoyette bus_addr_t addr;
73 1.1.2.2 pgoyette bus_size_t size;
74 1.1.2.2 pgoyette
75 1.1.2.2 pgoyette fsc->sc_sc.sc_dev = self;
76 1.1.2.2 pgoyette
77 1.1.2.2 pgoyette if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
78 1.1.2.2 pgoyette aprint_error(": couldn't get registers\n");
79 1.1.2.2 pgoyette return;
80 1.1.2.2 pgoyette }
81 1.1.2.2 pgoyette
82 1.1.2.2 pgoyette sc->sc_bst = faa->faa_bst;
83 1.1.2.2 pgoyette if (bus_space_map(sc->sc_bst, addr, size, 0, &sc->sc_bsh) != 0) {
84 1.1.2.2 pgoyette aprint_error(": couldn't map registers\n");
85 1.1.2.2 pgoyette return;
86 1.1.2.2 pgoyette }
87 1.1.2.2 pgoyette
88 1.1.2.2 pgoyette aprint_naive("\n");
89 1.1.2.2 pgoyette aprint_normal(": AMD CCP\n");
90 1.1.2.2 pgoyette
91 1.1.2.2 pgoyette amdccp_common_attach(sc);
92 1.1.2.2 pgoyette }
93