-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathbcm2836.h
83 lines (71 loc) · 3.15 KB
/
bcm2836.h
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
/*
* Copyright (c) 2016, Antonio Huete Jimenez <[email protected]>
* 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 THE COPYRIGHT HOLDERS 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 THE COPYRIGHT OWNER 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.
*
* The views and conclusions contained in the software and documentation are those
* of the authors and should not be interpreted as representing official policies,
* either expressed or implied, of the author.
*/
#ifndef _BCM2836_H_
#define _BCM2836_H_
/* Interrupt controller */
struct bcm2836_intc {
uint32_t irq_basic_pending;
uint32_t irq_1_pending;
uint32_t irq_2_pending;
uint32_t fiq_control;
uint32_t irq_1_enable;
uint32_t irq_2_enable;
uint32_t irq_basic_enable;
uint32_t irq_1_disable;
uint32_t irq_2_disable;
uint32_t irq_basic_disable;
};
extern volatile struct bcm2836_intc *bcm2836_intc;
/* BCM2836 (Raspberry 2) addresses */
#define BCM2836_PERIPH_BASE 0x3f000000
#define BMC2836_UART0 (BCM2836_PERIPH_BASE + 0x00201000)
#define BCM2836_LOCAL_TIMER_FREQ 19200000
#define BCM2836_INTC_BASE 0x3f00b000
#define BCM2836_LOCAL_PERIPH_BASE 0x40000000
#define BCM2836_LOCAL_CTL_BASE (BCM2836_LOCAL_PERIPH_BASE + 0x0000)
#define BCM2836_CORE_TIMER_PRESCALER (BCM2836_LOCAL_PERIPH_BASE + 0x0008)
#define BCM2836_GPU_INT_ROUTING (BCM2836_LOCAL_PERIPH_BASE + 0x000c)
#define BCM2836_CORE_TIMER_LS32 (BCM2836_LOCAL_PERIPH_BASE + 0x001c)
#define BCM2836_CORE_TIMER_MS32 (BCM2836_LOCAL_PERIPH_BASE + 0x0020)
#define BCM2836_LOCAL_INT_ROUTING (BCM2836_LOCAL_PERIPH_BASE + 0x0024)
#define BCM2836_LOCAL_TIMER_CTL (BCM2836_LOCAL_PERIPH_BASE + 0x0034)
#define BCM2836_LOCAL_TIMER_WFLAGS (BCM2836_LOCAL_PERIPH_BASE + 0x0038)
#define BCM2836_CORE_INT_CTL(cpu) ((BCM2836_LOCAL_PERIPH_BASE + 0x0040) + (cpu * 4))
#define CNTPSIRQ 0x1
#define CNTPNSIRQ 0x2
#define CNTPHIRQ 0x4
#define CNTPVIRQ 0x8
#define CNTPSFIQ 0x10
#define CNTPNSFIQ 0x20
#define CNTPHFIQ 0x40
#define CNTPVFIQ 0x80
/* Prototypes */
void bcm2836_intc_print(void);
void bcm2836_core_timer(int, uint32_t);
#endif /* _BCM2836_H_ */