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git01.mediatek.com / filogic / atf / fa3cf0bf903ad0d8320713870ca58410e1ab8758 / . / plat / mediatek / mt8173 / drivers / spm / spm_hotplug.c
blob: 6d275d04385d287d647caf64c230c705e75e8a95 [file] [log] [blame]
developer65014b82015-04-13 14:47:57 +0800[diff] [blame]1/*
2 * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
3 *
dp-armfa3cf0b2017-05-03 09:38:09 +0100[diff] [blame^]4 * SPDX-License-Identifier: BSD-3-Clause
developer65014b82015-04-13 14:47:57 +0800[diff] [blame]5 */
Koan-Sin Tanad3dcbb2016-04-18 17:20:05 +0800[diff] [blame]6#include <arch.h>
developer65014b82015-04-13 14:47:57 +0800[diff] [blame]7#include <mmio.h>
8#include <mt8173_def.h>
9#include <platform.h>
10#include <spm.h>
11#include <spm_hotplug.h>
12#include <spm_mcdi.h>
13
14/*
15 * System Power Manager (SPM) is a hardware module, which controls cpu or
16 * system power for different power scenarios using different firmware.
17 * This driver controls the cpu power in cpu hotplug flow.
18 */
19
developer69a03832015-11-16 14:33:35 +0800[diff] [blame]20#define PCM_HOTPLUG_VALID_MASK 0x0000ff00
developer65014b82015-04-13 14:47:57 +0800[diff] [blame]21#define PCM_HOTPLUG_VALID_SHIFT 0x8
22
23/**********************************************************
24 * PCM sequence for CPU hotplug
25 **********************************************************/
26static const unsigned int hotplug_binary[] = {
27 0x1900001f, 0x1020020c, 0x1950001f, 0x1020020c, 0xa9400005, 0x00000001,
28 0xe1000005, 0x1910001f, 0x10006720, 0x814c9001, 0xd82000e5, 0x17c07c1f,
29 0x1900001f, 0x10001220, 0x1950001f, 0x10001220, 0xa15f0405, 0xe1000005,
30 0x1900001f, 0x10001228, 0x1950001f, 0x10001228, 0x810f1401, 0xd8200244,
31 0x17c07c1f, 0xe2e0006d, 0xe2e0002d, 0x1a00001f, 0x100062b8, 0x1910001f,
32 0x100062b8, 0xa9000004, 0x00000001, 0xe2000004, 0x1910001f, 0x100062b8,
33 0x81142804, 0xd8200444, 0x17c07c1f, 0xe2e0002c, 0xe2e0003c, 0xe2e0003e,
34 0xe2e0003a, 0xe2e00032, 0x1910001f, 0x1000660c, 0x81079001, 0x1950001f,
35 0x10006610, 0x81479401, 0xa1001404, 0xd8000584, 0x17c07c1f, 0x1900001f,
36 0x10006404, 0x1950001f, 0x10006404, 0xa1568405, 0xe1000005, 0xf0000000,
37 0x17c07c1f, 0x1900001f, 0x10006404, 0x1950001f, 0x10006404, 0x89400005,
38 0x0000dfff, 0xe1000005, 0xe2e00036, 0xe2e0003e, 0x1910001f, 0x1000660c,
39 0x81079001, 0x1950001f, 0x10006610, 0x81479401, 0x81001404, 0xd82008c4,
40 0x17c07c1f, 0xe2e0002e, 0x1a00001f, 0x100062b8, 0x1910001f, 0x100062b8,
41 0x89000004, 0x0000fffe, 0xe2000004, 0x1910001f, 0x100062b8, 0x81142804,
42 0xd8000ae4, 0x17c07c1f, 0xe2e0006e, 0xe2e0004e, 0xe2e0004c, 0xe2e0004d,
43 0x1900001f, 0x10001220, 0x1950001f, 0x10001220, 0x89400005, 0xbfffffff,
44 0xe1000005, 0x1900001f, 0x10001228, 0x1950001f, 0x10001228, 0x810f1401,
45 0xd8000ce4, 0x17c07c1f, 0x1900001f, 0x1020020c, 0x1950001f, 0x1020020c,
46 0x89400005, 0xfffffffe, 0xe1000005, 0xf0000000, 0x17c07c1f, 0x1212841f,
47 0xe2e00036, 0xe2e0003e, 0x1380201f, 0xe2e0003c, 0xe2a00000, 0x1b80001f,
48 0x20000080, 0xe2e0007c, 0x1b80001f, 0x20000003, 0xe2e0005c, 0xe2e0004c,
49 0xe2e0004d, 0xf0000000, 0x17c07c1f, 0xe2e0004f, 0xe2e0006f, 0xe2e0002f,
50 0xe2a00001, 0x1b80001f, 0x20000080, 0xe2e0002e, 0xe2e0003e, 0xe2e00032,
51 0xf0000000, 0x17c07c1f, 0x1212841f, 0xe2e00026, 0xe2e0002e, 0x1380201f,
52 0x1a00001f, 0x100062b4, 0x1910001f, 0x100062b4, 0x81322804, 0xe2000004,
53 0x81202804, 0xe2000004, 0x1b80001f, 0x20000034, 0x1910001f, 0x100062b4,
54 0x81142804, 0xd8001404, 0x17c07c1f, 0xe2e0000e, 0xe2e0000c, 0xe2e0000d,
55 0xf0000000, 0x17c07c1f, 0xe2e0002d, 0x1a00001f, 0x100062b4, 0x1910001f,
56 0x100062b4, 0xa1002804, 0xe2000004, 0xa1122804, 0xe2000004, 0x1b80001f,
57 0x20000080, 0x1910001f, 0x100062b4, 0x81142804, 0xd82016a4, 0x17c07c1f,
58 0xe2e0002f, 0xe2e0002b, 0xe2e00023, 0x1380201f, 0xe2e00022, 0xf0000000,
59 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
60 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
61 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
62 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
63 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
64 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
65 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
66 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
67 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
68 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
69 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
70 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
71 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
72 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
73 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
74 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
75 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
76 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
77 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
78 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
79 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
80 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
81 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
82 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
83 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
84 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
85 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
86 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
87 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
88 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
89 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
90 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
91 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
92 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
93 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
94 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
95 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
96 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
97 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
98 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
99 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
100 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
101 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
102 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
103 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
104 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
105 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
106 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
107 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
108 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
109 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
110 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
111 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
112 0x17c07c1f, 0x17c07c1f, 0x1840001f, 0x00000001, 0x1840001f, 0x00000001,
113 0x1840001f, 0x00000001, 0xa1d48407, 0x1b00001f, 0x2f7be75f, 0xe8208000,
114 0x10006354, 0xfffe7b47, 0xa1d10407, 0x1b80001f, 0x20000020, 0x17c07c1f,
115 0x1910001f, 0x10006b00, 0x81461001, 0xb14690a1, 0xd82044e5, 0x17c07c1f,
116 0x1910001f, 0x10006610, 0x81079001, 0xd80044e4, 0x17c07c1f, 0x1990001f,
117 0x10006b00, 0x81421801, 0x82429801, 0x81402405, 0xd80044e5, 0x17c07c1f,
118 0x1a40001f, 0x100062b0, 0x1280041f, 0xc24007a0, 0x17c07c1f, 0x1910001f,
119 0x10006b00, 0x81449001, 0xd8204be5, 0x17c07c1f, 0x1910001f, 0x10006b00,
120 0x81009001, 0xd8204984, 0x17c07c1f, 0x1910001f, 0x10006610, 0x81051001,
121 0xd8204be4, 0x17c07c1f, 0x1910001f, 0x10006720, 0x81489001, 0xd82046c5,
122 0x17c07c1f, 0x1a40001f, 0x10006218, 0x1a80001f, 0x10006264, 0xc24010e0,
123 0x17c07c1f, 0x1910001f, 0x1000660c, 0x81051001, 0x1950001f, 0x10006610,
124 0x81451401, 0xa1001404, 0xd8004824, 0x17c07c1f, 0xd0004b00, 0x17c07c1f,
125 0x17c07c1f, 0x1910001f, 0x10006610, 0x81051001, 0xd8004be4, 0x17c07c1f,
126 0x1a40001f, 0x10006218, 0x1a80001f, 0x10006264, 0xc2400ee0, 0x17c07c1f,
127 0x1910001f, 0x10006b00, 0x89000004, 0xfffffdff, 0x1940001f, 0x10006b00,
128 0xe1400004, 0x17c07c1f, 0x1910001f, 0x10006b00, 0x81451001, 0xd8205305,
129 0x17c07c1f, 0x1910001f, 0x10006b00, 0x81011001, 0xd82050a4, 0x17c07c1f,
130 0x1910001f, 0x10006610, 0x81059001, 0xd8205304, 0x17c07c1f, 0x1910001f,
131 0x10006720, 0x81491001, 0xd8204de5, 0x17c07c1f, 0x1a40001f, 0x1000621c,
132 0x1a80001f, 0x1000626c, 0xc24010e0, 0x17c07c1f, 0x1910001f, 0x1000660c,
133 0x81059001, 0x1950001f, 0x10006610, 0x81459401, 0xa1001404, 0xd8004f44,
134 0x17c07c1f, 0xd0005220, 0x17c07c1f, 0x17c07c1f, 0x1910001f, 0x10006610,
135 0x81059001, 0xd8005304, 0x17c07c1f, 0x1a40001f, 0x1000621c, 0x1a80001f,
136 0x1000626c, 0xc2400ee0, 0x17c07c1f, 0x1910001f, 0x10006b00, 0x89000004,
137 0xfffffbff, 0x1940001f, 0x10006b00, 0xe1400004, 0x17c07c1f, 0x1910001f,
138 0x10006b00, 0x81459001, 0xd8205a25, 0x17c07c1f, 0x1910001f, 0x10006b00,
139 0x81019001, 0xd82057c4, 0x17c07c1f, 0x1910001f, 0x10006610, 0x81061001,
140 0xd8205a24, 0x17c07c1f, 0x1910001f, 0x10006720, 0x81499001, 0xd8205505,
141 0x17c07c1f, 0x1a40001f, 0x10006220, 0x1a80001f, 0x10006274, 0xc24010e0,
142 0x17c07c1f, 0x1910001f, 0x1000660c, 0x81061001, 0x1950001f, 0x10006610,
143 0x81461401, 0xa1001404, 0xd8005664, 0x17c07c1f, 0xd0005940, 0x17c07c1f,
144 0x17c07c1f, 0x1910001f, 0x10006610, 0x81061001, 0xd8005a24, 0x17c07c1f,
145 0x1a40001f, 0x10006220, 0x1a80001f, 0x10006274, 0xc2400ee0, 0x17c07c1f,
146 0x1910001f, 0x10006b00, 0x89000004, 0xfffff7ff, 0x1940001f, 0x10006b00,
147 0xe1400004, 0x17c07c1f, 0x1910001f, 0x10006b00, 0x81461001, 0xd8206185,
148 0x17c07c1f, 0x1910001f, 0x10006b00, 0x81021001, 0xd8205ec4, 0x17c07c1f,
149 0x1910001f, 0x10006610, 0x81081001, 0xd8206184, 0x17c07c1f, 0x1910001f,
150 0x10006720, 0x814a1001, 0xd8205c25, 0x17c07c1f, 0x1a40001f, 0x100062a0,
151 0x1280041f, 0xc2401540, 0x17c07c1f, 0x1910001f, 0x1000660c, 0x81081001,
152 0x1950001f, 0x10006610, 0x81481401, 0xa1001404, 0xd8005d64, 0x17c07c1f,
153 0xd00060a0, 0x17c07c1f, 0x17c07c1f, 0x1910001f, 0x10006610, 0x81479001,
154 0x81881001, 0x69a00006, 0x00000000, 0x81401805, 0xd8206185, 0x17c07c1f,
155 0x1a40001f, 0x100062a0, 0x1280041f, 0xc2401240, 0x17c07c1f, 0x1910001f,
156 0x10006b00, 0x89000004, 0xffffefff, 0x1940001f, 0x10006b00, 0xe1400004,
157 0x17c07c1f, 0x1910001f, 0x10006b00, 0x81469001, 0xd82068e5, 0x17c07c1f,
158 0x1910001f, 0x10006b00, 0x81029001, 0xd8206624, 0x17c07c1f, 0x1910001f,
159 0x10006610, 0x81089001, 0xd82068e4, 0x17c07c1f, 0x1910001f, 0x10006720,
160 0x814a9001, 0xd8206385, 0x17c07c1f, 0x1a40001f, 0x100062a4, 0x1290841f,
161 0xc2401540, 0x17c07c1f, 0x1910001f, 0x1000660c, 0x81089001, 0x1950001f,
162 0x10006610, 0x81489401, 0xa1001404, 0xd80064c4, 0x17c07c1f, 0xd0006800,
163 0x17c07c1f, 0x17c07c1f, 0x1910001f, 0x10006610, 0x81479001, 0x81889001,
164 0x69a00006, 0x00000000, 0x81401805, 0xd82068e5, 0x17c07c1f, 0x1a40001f,
165 0x100062a4, 0x1290841f, 0xc2401240, 0x17c07c1f, 0x1910001f, 0x10006b00,
166 0x89000004, 0xffffdfff, 0x1940001f, 0x10006b00, 0xe1400004, 0x1910001f,
167 0x10006610, 0x81479001, 0x81881001, 0x69600005, 0x00000000, 0xa1401805,
168 0x81889001, 0xa1401805, 0xd8006bc5, 0x17c07c1f, 0x1910001f, 0x10006b00,
169 0x81421001, 0x82429001, 0x82802405, 0xd8206bca, 0x17c07c1f, 0x1a40001f,
170 0x100062b0, 0x1280041f, 0xc2400000, 0x17c07c1f, 0x1990001f, 0x10006b00,
171 0x89800006, 0x00003f00, 0x69200006, 0x00000000, 0xd82041e4, 0x17c07c1f,
172 0x1990001f, 0x10006320, 0x69200006, 0xbeefbeef, 0xd8006dc4, 0x17c07c1f,
173 0xd00041e0, 0x17c07c1f, 0x1910001f, 0x10006358, 0x810b1001, 0xd8006dc4,
174 0x17c07c1f, 0x1980001f, 0xdeaddead, 0x19c0001f, 0x01411820, 0xf0000000
175};
176static const struct pcm_desc hotplug_pcm = {
177 .version = "pcm_power_down_mt8173_V37",
178 .base = hotplug_binary,
179 .size = 888,
180 .sess = 2,
181 .replace = 0,
182};
183
184static struct pwr_ctrl hotplug_ctrl = {
185 .wake_src = 0,
186 .wake_src_md32 = 0,
187 .wfi_op = WFI_OP_OR,
188 .mcusys_idle_mask = 1,
189 .ca7top_idle_mask = 1,
190 .ca15top_idle_mask = 1,
191 .disp_req_mask = 1,
192 .mfg_req_mask = 1,
193 .md32_req_mask = 1,
194 .syspwreq_mask = 1,
195 .pcm_flags = 0,
196};
197
198static const struct spm_lp_scen spm_hotplug = {
199 .pcmdesc = &hotplug_pcm,
200 .pwrctrl = &hotplug_ctrl,
201};
202
203void spm_go_to_hotplug(void)
204{
205 const struct pcm_desc *pcmdesc = spm_hotplug.pcmdesc;
206 struct pwr_ctrl *pwrctrl = spm_hotplug.pwrctrl;
207
208 set_pwrctrl_pcm_flags(pwrctrl, 0);
209 spm_reset_and_init_pcm();
210 spm_kick_im_to_fetch(pcmdesc);
211 spm_set_power_control(pwrctrl);
212 spm_set_wakeup_event(pwrctrl);
213 spm_kick_pcm_to_run(pwrctrl);
214}
215
216void spm_clear_hotplug(void)
217{
218 /* Inform SPM that CPU wants to program CPU_WAKEUP_EVENT and
219 * DISABLE_CPU_DROM */
220
221 mmio_write_32(SPM_PCM_REG_DATA_INI, PCM_HANDSHAKE_SEND1);
222 mmio_write_32(SPM_PCM_PWR_IO_EN, PCM_RF_SYNC_R6);
223 mmio_write_32(SPM_PCM_PWR_IO_EN, 0);
224
225 /* Wait SPM's response, can't use sleep api */
226 while ((mmio_read_32(SPM_PCM_FSM_STA) & PCM_END_FSM_STA_MASK)
227 != PCM_END_FSM_STA_DEF)
228 ;
229
230 /* no hotplug pcm running */
231 clear_all_ready();
232}
233
234void spm_hotplug_on(unsigned long mpidr)
235{
236 unsigned long linear_id;
237
Koan-Sin Tanad3dcbb2016-04-18 17:20:05 +0800[diff] [blame]238 linear_id = ((mpidr & MPIDR_CLUSTER_MASK) >> 6) |
239 (mpidr & MPIDR_CPU_MASK);
240
developer65014b82015-04-13 14:47:57 +0800[diff] [blame]241 spm_lock_get();
242 if (is_hotplug_ready() == 0) {
243 spm_mcdi_wakeup_all_cores();
244 mmio_clrbits_32(SPM_PCM_RESERVE, PCM_HOTPLUG_VALID_MASK);
245 spm_go_to_hotplug();
246 set_hotplug_ready();
247 }
248 /* turn on CPUx */
249 mmio_clrsetbits_32(SPM_PCM_RESERVE,
250 PCM_HOTPLUG_VALID_MASK | (1 << linear_id),
251 1 << (linear_id + PCM_HOTPLUG_VALID_SHIFT));
252 spm_lock_release();
253}
254
255void spm_hotplug_off(unsigned long mpidr)
256{
257 unsigned long linear_id;
258
Koan-Sin Tanad3dcbb2016-04-18 17:20:05 +0800[diff] [blame]259 linear_id = ((mpidr & MPIDR_CLUSTER_MASK) >> 6) |
260 (mpidr & MPIDR_CPU_MASK);
261
developer65014b82015-04-13 14:47:57 +0800[diff] [blame]262 spm_lock_get();
263 if (is_hotplug_ready() == 0) {
264 spm_mcdi_wakeup_all_cores();
265 mmio_clrbits_32(SPM_PCM_RESERVE, PCM_HOTPLUG_VALID_MASK);
266 spm_go_to_hotplug();
267 set_hotplug_ready();
268 }
269 mmio_clrsetbits_32(SPM_PCM_RESERVE, PCM_HOTPLUG_VALID_MASK,
270 (1 << linear_id) |
271 (1 << (linear_id + PCM_HOTPLUG_VALID_SHIFT)));
272 spm_lock_release();
273}