| 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> |
| Joel Hutton | 0dcdd8d | 2017-12-21 15:21:20 +0000 | [diff] [blame] | 9 | #include <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); |
| Dimitris Papastamos | d7e2e9e | 2017-12-11 11:45:35 +0000 | [diff] [blame] | 15 | return 0; |
| 16 | } |
| 17 | |
| 18 | static void *cortex_a75_context_restore(const void *arg) |
| 19 | { |
| Dimitris Papastamos | 864364a | 2018-02-27 10:55:39 +0000 | [diff] [blame] | 20 | if (midr_match(CORTEX_A75_MIDR) != 0) |
| Dimitris Papastamos | 1be747f | 2018-02-14 10:28:36 +0000 | [diff] [blame] | 21 | cpuamu_context_restore(CORTEX_A75_AMU_NR_COUNTERS); |
| Dimitris Papastamos | d7e2e9e | 2017-12-11 11:45:35 +0000 | [diff] [blame] | 22 | return 0; |
| 23 | } |
| 24 | |
| 25 | SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_start, cortex_a75_context_save); |
| 26 | SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_finish, cortex_a75_context_restore); |