blob: 27ed16e7797bca85e856f9a74dd6b851024c8b02 (
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
|
/*
* Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef SMMU_V3_H
#define SMMU_V3_H
#include <stdint.h>
#include <lib/utils_def.h>
/* SMMUv3 register offsets from device base */
#define SMMU_CR0 U(0x0020)
#define SMMU_CR0ACK U(0x0024)
#define SMMU_GBPA U(0x0044)
#define SMMU_S_IDR1 U(0x8004)
#define SMMU_S_INIT U(0x803c)
#define SMMU_S_GBPA U(0x8044)
/* SMMU_CR0 register fields */
#define SMMU_CR0_VMW (7UL << 6)
#define SMMU_CR0_ATSCHK (1UL << 4)
#define SMMU_CR0_CMDQEN (1UL << 3)
#define SMMU_CR0_EVENTQEN (1UL << 2)
#define SMMU_CR0_PRIQEN (1UL << 1)
#define SMMU_CR0_SMMUEN (1UL << 0)
/* SMMU_GBPA register fields */
#define SMMU_GBPA_UPDATE (1UL << 31)
#define SMMU_GBPA_ABORT (1UL << 20)
/* SMMU_S_IDR1 register fields */
#define SMMU_S_IDR1_SECURE_IMPL (1UL << 31)
/* SMMU_S_INIT register fields */
#define SMMU_S_INIT_INV_ALL (1UL << 0)
/* SMMU_S_GBPA register fields */
#define SMMU_S_GBPA_UPDATE (1UL << 31)
#define SMMU_S_GBPA_ABORT (1UL << 20)
int smmuv3_init(uintptr_t smmu_base);
int smmuv3_security_init(uintptr_t smmu_base);
int smmuv3_ns_set_abort_all(uintptr_t smmu_base);
int smmuv3_ns_set_bypass_all(uintptr_t smmu_base);
#endif /* SMMU_V3_H */
|