Dimitris Papastamos | d7e2e9e | 2017-12-11 11:45:35 +0000 | [diff] [blame] | 1 | /* |
Dimitris Papastamos | 1be747f | 2018-02-14 10:28:36 +0000 | [diff] [blame] | 2 | * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. |
Dimitris Papastamos | d7e2e9e | 2017-12-11 11:45:35 +0000 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <cortex_a75.h> |
Dimitris Papastamos | 1be747f | 2018-02-14 10:28:36 +0000 | [diff] [blame] | 8 | #include <cpuamu.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 9 | #include <lib/el3_runtime/pubsub_events.h> |
Dimitris Papastamos | d7e2e9e | 2017-12-11 11:45:35 +0000 | [diff] [blame] | 10 | |
Dimitris Papastamos | d7e2e9e | 2017-12-11 11:45:35 +0000 | [diff] [blame] | 11 | static void *cortex_a75_context_save(const void *arg) |
| 12 | { |
Dimitris Papastamos | 864364a | 2018-02-27 10:55:39 +0000 | [diff] [blame] | 13 | if (midr_match(CORTEX_A75_MIDR) != 0) |
Dimitris Papastamos | 1be747f | 2018-02-14 10:28:36 +0000 | [diff] [blame] | 14 | cpuamu_context_save(CORTEX_A75_AMU_NR_COUNTERS); |
Antonio Nino Diaz | 9fe40fd | 2018-10-25 17:11:02 +0100 | [diff] [blame] | 15 | |
| 16 | return (void *)0; |
Dimitris Papastamos | d7e2e9e | 2017-12-11 11:45:35 +0000 | [diff] [blame] | 17 | } |
| 18 | |
| 19 | static void *cortex_a75_context_restore(const void *arg) |
| 20 | { |
Dimitris Papastamos | 864364a | 2018-02-27 10:55:39 +0000 | [diff] [blame] | 21 | if (midr_match(CORTEX_A75_MIDR) != 0) |
Dimitris Papastamos | 1be747f | 2018-02-14 10:28:36 +0000 | [diff] [blame] | 22 | cpuamu_context_restore(CORTEX_A75_AMU_NR_COUNTERS); |
Antonio Nino Diaz | 9fe40fd | 2018-10-25 17:11:02 +0100 | [diff] [blame] | 23 | |
| 24 | return (void *)0; |
Dimitris Papastamos | d7e2e9e | 2017-12-11 11:45:35 +0000 | [diff] [blame] | 25 | } |
| 26 | |
| 27 | SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_start, cortex_a75_context_save); |
| 28 | SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_finish, cortex_a75_context_restore); |