1/*-
2 * Copyright (c) 2014 M. Warner Losh. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD: stable/11/sys/arm/at91/at91_common.c 314506 2017-03-01 19:55:04Z ian $");
28
29#define _ARM32_BUS_DMA_PRIVATE
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/bus.h>
33#include <sys/devmap.h>
34
35#include <vm/vm.h>
36
37#include <machine/intr.h>
38#include <machine/machdep.h>
39#include <machine/platform.h>
40
41#include <arm/at91/at91var.h>
42#include <arm/at91/at91soc.h>
43#include <arm/at91/at91_aicreg.h>
44
45#include <dev/fdt/fdt_common.h>
46#include <dev/ofw/openfirm.h>
47
48#include <machine/fdt.h>
49
50extern const struct devmap_entry at91_devmap[];
51
52#ifndef INTRNG
53static int
54fdt_aic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
55    int *pol)
56{
57	int offset;
58
59	if (fdt_is_compatible(node, "atmel,at91rm9200-aic"))
60		offset = 0;
61	else
62		return (ENXIO);
63
64	*interrupt = fdt32_to_cpu(intr[0]) + offset;
65	*trig = INTR_TRIGGER_CONFORM;
66	*pol = INTR_POLARITY_CONFORM;
67
68	return (0);
69}
70
71fdt_pic_decode_t fdt_pic_table[] = {
72	&fdt_aic_decode_ic,
73	NULL
74};
75#endif
76
77static void
78at91_eoi(void *unused)
79{
80	uint32_t *eoicr = (uint32_t *)(0xdffff000 + IC_EOICR);
81
82	*eoicr = 0;
83}
84
85
86vm_offset_t
87platform_lastaddr(void)
88{
89
90	return (devmap_lastaddr());
91}
92
93void
94platform_probe_and_attach(void)
95{
96
97	arm_post_filter = at91_eoi;
98	at91_soc_id();
99}
100
101int
102platform_devmap_init(void)
103{
104
105//	devmap_add_entry(0xfff00000, 0x00100000); /* 1MB - uart, aic and timers*/
106
107	devmap_register_table(at91_devmap);
108
109	return (0);
110}
111
112void
113platform_gpio_init(void)
114{
115}
116
117void
118platform_late_init(void)
119{
120}
121