ti_common.c revision 266277
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: stable/10/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
52struct fdt_fixup_entry fdt_fixup_table[] = {
53	{ NULL, NULL }
54};
55
56#ifdef SOC_OMAP4
57static int
58fdt_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
74static int
75fdt_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
90fdt_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};
99