blob: ee8f26bea494130ac23e46a1aea1f78c82185bba (
plain)
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
|
/*
* Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __GIC_V3_H__
#define __GIC_V3_H__
/******************************************************************************
* THIS DRIVER IS DEPRECATED. For GICv2 systems, use the driver in gicv2.h
* and for GICv3 systems, use the driver in gicv3.h.
*****************************************************************************/
#if ERROR_DEPRECATED
#error " The legacy ARM GIC driver is deprecated."
#endif
#include <mmio.h>
#include <stdint.h>
#include <types.h>
/* GICv3 Re-distributor interface registers & shifts */
#define GICR_PCPUBASE_SHIFT 0x11
#define GICR_TYPER 0x08
#define GICR_WAKER 0x14
/* GICR_WAKER bit definitions */
#define WAKER_CA (1UL << 2)
#define WAKER_PS (1UL << 1)
/* GICR_TYPER bit definitions */
#define GICR_TYPER_AFF_SHIFT 32
#define GICR_TYPER_AFF_MASK 0xffffffff
#define GICR_TYPER_LAST (1UL << 4)
/* GICv3 ICC_SRE register bit definitions*/
#define ICC_SRE_EN (1UL << 3)
#define ICC_SRE_SRE (1UL << 0)
/*******************************************************************************
* GICv3 defintions
******************************************************************************/
#define GICV3_AFFLVL_MASK 0xff
#define GICV3_AFF0_SHIFT 0
#define GICV3_AFF1_SHIFT 8
#define GICV3_AFF2_SHIFT 16
#define GICV3_AFF3_SHIFT 24
#define GICV3_AFFINITY_MASK 0xffffffff
/*******************************************************************************
* Function prototypes
******************************************************************************/
uintptr_t gicv3_get_rdist(uintptr_t gicr_base, u_register_t mpidr);
/*******************************************************************************
* GIC Redistributor interface accessors
******************************************************************************/
static inline uint32_t gicr_read_waker(uintptr_t base)
{
return mmio_read_32(base + GICR_WAKER);
}
static inline void gicr_write_waker(uintptr_t base, uint32_t val)
{
mmio_write_32(base + GICR_WAKER, val);
}
static inline uint64_t gicr_read_typer(uintptr_t base)
{
return mmio_read_64(base + GICR_TYPER);
}
#endif /* __GIC_V3_H__ */
|
