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
125
|
/*
* File : mbox.h
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-08-29 zdzn first version
*/
#ifndef __MBOX_H__
#define __MBOX_H__
#include <rtthread.h>
#include <stdint.h>
/* a properly aligned buffer */
extern volatile unsigned int* mbox;
#define MBOX_REQUEST 0
/* channels */
#define MBOX_CH_POWER 0
#define MBOX_CH_FB 1
#define MBOX_CH_VUART 2
#define MBOX_CH_VCHIQ 3
#define MBOX_CH_LEDS 4
#define MBOX_CH_BTNS 5
#define MBOX_CH_TOUCH 6
#define MBOX_CH_COUNT 7
#define MBOX_CH_PROP 8
/* tags */
#define MBOX_TAG_SETPOWER 0x28001
#define MBOX_TAG_SETCLKRATE 0x38002
#define MBOX_GET_MAC_ADDRESS 0x10003
#define MBOX_TAG_LAST 0
#define MMIO_BASE 0x3F000000
#define VIDEOCORE_MBOX (MMIO_BASE+0x0000B880)
#define MBOX_READ ((volatile unsigned int*)(VIDEOCORE_MBOX+0x0))
#define MBOX_POLL ((volatile unsigned int*)(VIDEOCORE_MBOX+0x10))
#define MBOX_SENDER ((volatile unsigned int*)(VIDEOCORE_MBOX+0x14))
#define MBOX_STATUS ((volatile unsigned int*)(VIDEOCORE_MBOX+0x18))
#define MBOX_CONFIG ((volatile unsigned int*)(VIDEOCORE_MBOX+0x1C))
#define MBOX_WRITE ((volatile unsigned int*)(VIDEOCORE_MBOX+0x20))
#define MBOX_RESPONSE 0x80000000
#define MBOX_FULL 0x80000000
#define MBOX_EMPTY 0x40000000
#define DEVICE_ID_SD_CARD 0
#define DEVICE_ID_USB_HCD 3
#define POWER_STATE_OFF (0 << 0)
#define POWER_STATE_ON (1 << 0)
#define POWER_STATE_WAIT (1 << 1)
#define POWER_STATE_NO_DEVICE (1 << 1) // in response
#define MMU_ENABLE 1
#define MMU_DISABLE 0
/*
* raspi hardware info
*/
enum {
MBOX_TAG_HARDWARE_GET_MODEL = 0x00010001,
MBOX_TAG_HARDWARE_GET_REV = 0x00010002,
MBOX_TAG_HARDWARE_GET_MAC_ADDRESS = 0x00010003,
MBOX_TAG_HARDWARE_GET_SERIAL = 0x00010004,
MBOX_TAG_HARDWARE_GET_ARM_MEMORY = 0x00010005,
MBOX_TAG_HARDWARE_GET_VC_MEMORY = 0x00010006,
MBOX_TAG_HARDWARE_GET_CLOCKS = 0x00010007,
};
/*
* raspi clock
*/
enum {
MBOX_TAG_CLOCK_GET_TURBO = 0x00030009,
MBOX_TAG_CLOCK_SET_TURBO = 0x00038009,
MBOX_TAG_CLOCK_GET_STATE = 0x00030001,
MBOX_TAG_CLOCK_SET_STATE = 0x00038001,
MBOX_TAG_CLOCK_GET_RATE = 0x00030002,
MBOX_TAG_CLOCK_SET_RATE = 0x00038002,
MBOX_TAG_CLOCK_GET_MAX_RATE = 0x00030004,
MBOX_TAG_CLOCK_GET_MIN_RATE = 0x00030007,
};
/*
* raspi power
*/
enum {
MBOX_TAG_POWER_GET_STATE = 0x00020001,
MBOX_TAG_POWER_SET_STATE = 0x00028001,
};
/*
* raspi temperature
*/
enum {
MBOX_TAG_TEMP_GET = 0x00030006,
MBOX_TAG_TEMP_GET_MAX = 0x0003000A,
};
#define MBOX_ADDR 0xc00000
int mbox_call(unsigned char ch, int mmu_enable);
int bcm283x_mbox_hardware_get_model(void);
int bcm283x_mbox_hardware_get_revison(void);
int bcm283x_mbox_hardware_get_mac_address(uint8_t * mac);
int bcm283x_mbox_hardware_get_serial(rt_uint64_t* sn);
int bcm283x_mbox_hardware_get_arm_memory(rt_uint32_t * base, rt_uint32_t * size);
int bcm283x_mbox_hardware_get_vc_memory(rt_uint32_t * base, rt_uint32_t * size);
int bcm283x_mbox_clock_get_turbo(void);
int bcm283x_mbox_clock_set_turbo(int level);
int bcm283x_mbox_clock_get_state(int id);
int bcm283x_mbox_clock_set_state(int id, int state);
int bcm283x_mbox_clock_get_rate(int id);
int bcm283x_mbox_clock_set_rate(int id, int rate);
int bcm283x_mbox_clock_get_max_rate(int id);
int bcm283x_mbox_clock_get_min_rate(int id);
int bcm283x_mbox_power_get_state(int id);
int bcm283x_mbox_power_set_state(int id, int state);
int bcm283x_mbox_temp_get(void);
int bcm283x_mbox_temp_get_max(void);
#endif
|
