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
|
/*
* Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef GIC_COMMON_PRIVATE_H_
#define GIC_COMMON_PRIVATE_H_
#include <gic_common.h>
#include <mmio.h>
#include <stdint.h>
/*******************************************************************************
* GIC Distributor interface register accessors that are common to GICv3 & GICv2
******************************************************************************/
static inline unsigned int gicd_read_ctlr(uintptr_t base)
{
return mmio_read_32(base + GICD_CTLR);
}
static inline unsigned int gicd_read_typer(uintptr_t base)
{
return mmio_read_32(base + GICD_TYPER);
}
static inline unsigned int gicd_read_iidr(uintptr_t base)
{
return mmio_read_32(base + GICD_IIDR);
}
static inline void gicd_write_ctlr(uintptr_t base, unsigned int val)
{
mmio_write_32(base + GICD_CTLR, val);
}
/*******************************************************************************
* GIC Distributor function prototypes for accessing entire registers.
* Note: The raw register values correspond to multiple interrupt IDs and
* the number of interrupt IDs involved depends on the register accessed.
******************************************************************************/
unsigned int gicd_read_igroupr(uintptr_t base, unsigned int id);
unsigned int gicd_read_isenabler(uintptr_t base, unsigned int id);
unsigned int gicd_read_icenabler(uintptr_t base, unsigned int id);
unsigned int gicd_read_ispendr(uintptr_t base, unsigned int id);
unsigned int gicd_read_icpendr(uintptr_t base, unsigned int id);
unsigned int gicd_read_isactiver(uintptr_t base, unsigned int id);
unsigned int gicd_read_icactiver(uintptr_t base, unsigned int id);
unsigned int gicd_read_ipriorityr(uintptr_t base, unsigned int id);
unsigned int gicd_read_icfgr(uintptr_t base, unsigned int id);
unsigned int gicd_read_nsacr(uintptr_t base, unsigned int id);
unsigned int gicd_read_spendsgir(uintptr_t base, unsigned int id);
unsigned int gicd_read_cpendsgir(uintptr_t base, unsigned int id);
unsigned int gicd_read_itargetsr(uintptr_t base, unsigned int id);
void gicd_write_igroupr(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_isenabler(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_icenabler(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_ispendr(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_icpendr(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_isactiver(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_icactiver(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_ipriorityr(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_icfgr(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_nsacr(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_spendsgir(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_cpendsgir(uintptr_t base, unsigned int id, unsigned int val);
void gicd_write_itargetsr(uintptr_t base, unsigned int id, unsigned int val);
/*******************************************************************************
* GIC Distributor function prototypes for accessing the GIC registers
* corresponding to a single interrupt ID. These functions use bitwise
* operations or appropriate register accesses to modify or return
* the bit-field corresponding the single interrupt ID.
******************************************************************************/
unsigned int gicd_get_igroupr(uintptr_t base, unsigned int id);
void gicd_set_igroupr(uintptr_t base, unsigned int id);
void gicd_clr_igroupr(uintptr_t base, unsigned int id);
void gicd_set_isenabler(uintptr_t base, unsigned int id);
void gicd_set_icenabler(uintptr_t base, unsigned int id);
void gicd_set_ispendr(uintptr_t base, unsigned int id);
void gicd_set_icpendr(uintptr_t base, unsigned int id);
unsigned int gicd_get_isactiver(uintptr_t base, unsigned int id);
void gicd_set_isactiver(uintptr_t base, unsigned int id);
void gicd_set_icactiver(uintptr_t base, unsigned int id);
void gicd_set_ipriorityr(uintptr_t base, unsigned int id, unsigned int pri);
void gicd_set_icfgr(uintptr_t base, unsigned int id, unsigned int cfg);
#endif /* GIC_COMMON_PRIVATE_H_ */
|
