summaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/errata.h
blob: 9bb0e650c7eee1a2abe9fc603d67cbc271011dd3 (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
76
77
78
79
80
81
82
83
84
85
86
/* SPDX-License-Identifier: GPL-2.0-or-later */
/* SPDX-FileCopyrightText: 2014 Lucas Stach, Pengutronix */

static inline void enable_arm_errata_709718_war(void)
{
	__asm__ __volatile__ (
		"mrc	p15, 0, r0, c10, c2, 0\n"
		"bic	r0, #3 << 16\n"
		"mcr	p15, 0, r0, c10, c2, 0\n"
		"mrc	p15, 0, r0, c1, c0, 0\n"
		"orr	r0, r0, #1 << 28\n"
		"mcr	p15, 0, r0, c1, c0, 0\n"
	);
}

static inline void enable_arm_errata_716044_war(void)
{
	__asm__ __volatile__ (
		"mrc	p15, 0, r0, c1, c0, 0\n"
		"orr	r0, r0, #1 << 11\n"
		"mcr	p15, 0, r0, c1, c0, 0\n"
	);
}

static inline void enable_arm_errata_742230_war(void)
{
	__asm__ __volatile__ (
		"mrc	p15, 0, r0, c15, c0, 1\n"
		"orr	r0, r0, #1 << 4\n"
		"mcr	p15, 0, r0, c15, c0, 1\n"
	);
}

static inline void enable_arm_errata_743622_war(void)
{
	__asm__ __volatile__ (
		"mrc	p15, 0, r0, c15, c0, 1\n"
		"orr	r0, r0, #1 << 6\n"
		"mcr	p15, 0, r0, c15, c0, 1\n"
	);
}

static inline void enable_arm_errata_751472_war(void)
{
	__asm__ __volatile__ (
		"mrc	p15, 0, r0, c15, c0, 1\n"
		"orr	r0, r0, #1 << 11\n"
		"mcr	p15, 0, r0, c15, c0, 1\n"
	);
}

static inline void enable_arm_errata_761320_war(void)
{
	__asm__ __volatile__ (
		"mrc	p15, 0, r0, c15, c0, 1\n"
		"orr	r0, r0, #1 << 21\n"
		"mcr	p15, 0, r0, c15, c0, 1\n"
	);
}

static inline void enable_arm_errata_794072_war(void)
{
	__asm__ __volatile__ (
		"mrc	p15, 0, r0, c15, c0, 1\n"
		"orr	r0, r0, #1 << 4\n"
		"mcr	p15, 0, r0, c15, c0, 1\n"
	);
}

static inline void enable_arm_errata_845369_war(void)
{
	__asm__ __volatile__ (
		"mrc	p15, 0, r0, c15, c0, 1\n"
		"orr	r0, r0, #1 << 22\n"
		"mcr	p15, 0, r0, c15, c0, 1\n"
	);
}

static inline void enable_arm_errata_cortexa8_enable_ibe(void)
{
	__asm__ __volatile__ (
		"mrc	p15, 0, r0, c1, c0, 1\n"
		"orr	r0, r0, #1 << 6\n"
		"mcr	p15, 0, r0, c1, c0, 1\n"
	);
}