FreeBSD/Linux Kernel Cross Reference
sys/arm/ti/ti_common.c
1 /*-
2 * Copyright (C) 2008-2011 MARVELL INTERNATIONAL LTD.
3 * All rights reserved.
4 *
5 * Developed by Semihalf.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of MARVELL nor the names of contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include "opt_global.h"
33
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD: releng/10.1/sys/arm/ti/ti_common.c 266277 2014-05-17 00:53:12Z ian $");
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/bus.h>
40 #include <sys/kernel.h>
41 #include <sys/malloc.h>
42 #include <sys/kdb.h>
43 #include <sys/reboot.h>
44
45 #include <dev/fdt/fdt_common.h>
46 #include <dev/ofw/openfirm.h>
47
48 #include <machine/bus.h>
49 #include <machine/fdt.h>
50 #include <machine/vmparam.h>
51
52 struct fdt_fixup_entry fdt_fixup_table[] = {
53 { NULL, NULL }
54 };
55
56 #ifdef SOC_OMAP4
57 static int
58 fdt_gic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
59 int *pol)
60 {
61
62 if (!fdt_is_compatible(node, "arm,gic"))
63 return (ENXIO);
64
65 *interrupt = fdt32_to_cpu(intr[0]);
66 *trig = INTR_TRIGGER_CONFORM;
67 *pol = INTR_POLARITY_CONFORM;
68
69 return (0);
70 }
71 #endif
72
73 #ifdef SOC_TI_AM335X
74 static int
75 fdt_aintc_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
76 int *pol)
77 {
78
79 if (!fdt_is_compatible(node, "ti,aintc"))
80 return (ENXIO);
81
82 *interrupt = fdt32_to_cpu(intr[0]);
83 *trig = INTR_TRIGGER_CONFORM;
84 *pol = INTR_POLARITY_CONFORM;
85
86 return (0);
87 }
88 #endif
89
90 fdt_pic_decode_t fdt_pic_table[] = {
91 #ifdef SOC_OMAP4
92 &fdt_gic_decode_ic,
93 #endif
94 #ifdef SOC_TI_AM335X
95 &fdt_aintc_decode_ic,
96 #endif
97 NULL
98 };
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