1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/*-
* Copyright (c) 2014 M. Warner Losh. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#define _ARM32_BUS_DMA_PRIVATE
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <vm/vm.h>
#include <machine/devmap.h>
#include <machine/intr.h>
#include <machine/machdep.h>
#include <machine/platform.h>
#include <arm/at91/at91var.h>
#include <arm/at91/at91soc.h>
#include <arm/at91/at91_aicreg.h>
#include <dev/fdt/fdt_common.h>
#include <dev/ofw/openfirm.h>
#include <machine/fdt.h>
extern const struct arm_devmap_entry at91_devmap[];
struct fdt_fixup_entry fdt_fixup_table[] = {
{ NULL, NULL }
};
#ifndef ARM_INTRNG
static int
fdt_aic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
int *pol)
{
int offset;
if (fdt_is_compatible(node, "atmel,at91rm9200-aic"))
offset = 0;
else
return (ENXIO);
*interrupt = fdt32_to_cpu(intr[0]) + offset;
*trig = INTR_TRIGGER_CONFORM;
*pol = INTR_POLARITY_CONFORM;
return (0);
}
fdt_pic_decode_t fdt_pic_table[] = {
&fdt_aic_decode_ic,
NULL
};
#endif
static void
at91_eoi(void *unused)
{
uint32_t *eoicr = (uint32_t *)(0xdffff000 + IC_EOICR);
*eoicr = 0;
}
vm_offset_t
platform_lastaddr(void)
{
return (arm_devmap_lastaddr());
}
void
platform_probe_and_attach(void)
{
arm_post_filter = at91_eoi;
at91_soc_id();
}
int
platform_devmap_init(void)
{
// arm_devmap_add_entry(0xfff00000, 0x00100000); /* 1MB - uart, aic and timers*/
arm_devmap_register_table(at91_devmap);
return (0);
}
void
platform_gpio_init(void)
{
}
void
platform_late_init(void)
{
}
|
