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
|
/* $OpenBSD: omap_machdep.c,v 1.9 2016/06/08 15:27:05 jsg Exp $ */
/*
* Copyright (c) 2013 Sylvestre Gallon <ccna.syl@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/types.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/termios.h>
#include <machine/bus.h>
#include <machine/bootconfig.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <arm/cortex/smc.h>
#include <arm/armv7/armv7var.h>
#include <arm/mainbus/mainbus.h>
#include <armv7/armv7/armv7var.h>
#include <armv7/armv7/armv7_machdep.h>
extern void omap4_smc_call(uint32_t, uint32_t);
extern void omdog_reset(void);
extern struct board_dev *omap_board_devs(void);
extern void omap_board_init(void);
void
omap_platform_smc_write(bus_space_tag_t iot, bus_space_handle_t ioh,
bus_size_t off, uint32_t op, uint32_t val)
{
switch (op) {
case 0x100: /* PL310 DEBUG */
case 0x102: /* PL310 CTL */
break;
default:
panic("platform_smc_write: invalid operation %d", op);
}
omap4_smc_call(op, val);
}
void
omap_platform_init_mainbus(struct device *self)
{
mainbus_legacy_found(self, "cortex");
mainbus_legacy_found(self, "omap");
}
void
omap_platform_watchdog_reset(void)
{
omdog_reset();
}
void
omap_platform_powerdown(void)
{
}
void
omap_platform_disable_l2_if_needed(void)
{
switch (board_id) {
case BOARD_ID_OMAP4_PANDA:
/* disable external L2 cache */
omap4_smc_call(0x102, 0);
break;
}
}
void
omap_platform_board_init(void)
{
omap_board_init();
}
struct armv7_platform omap_platform = {
.board_init = omap_platform_board_init,
.smc_write = omap_platform_smc_write,
.watchdog_reset = omap_platform_watchdog_reset,
.powerdown = omap_platform_powerdown,
.disable_l2_if_needed = omap_platform_disable_l2_if_needed,
.init_mainbus = omap_platform_init_mainbus,
};
struct armv7_platform *
omap_platform_match(void)
{
struct board_dev *devs;
devs = omap_board_devs();
if (devs == NULL)
return (NULL);
omap_platform.devs = devs;
return (&omap_platform);
}
|
