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Diffstat (limited to '')
-rw-r--r-- | lib/cpus/aarch64/cortex_a75_pubsub.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/cpus/aarch64/cortex_a75_pubsub.c b/lib/cpus/aarch64/cortex_a75_pubsub.c new file mode 100644 index 0000000..bd2c697 --- /dev/null +++ b/lib/cpus/aarch64/cortex_a75_pubsub.c @@ -0,0 +1,28 @@ +/* + * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <cortex_a75.h> +#include <cpuamu.h> +#include <lib/el3_runtime/pubsub_events.h> + +static void *cortex_a75_context_save(const void *arg) +{ + if (midr_match(CORTEX_A75_MIDR) != 0) + cpuamu_context_save(CORTEX_A75_AMU_NR_COUNTERS); + + return (void *)0; +} + +static void *cortex_a75_context_restore(const void *arg) +{ + if (midr_match(CORTEX_A75_MIDR) != 0) + cpuamu_context_restore(CORTEX_A75_AMU_NR_COUNTERS); + + return (void *)0; +} + +SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_start, cortex_a75_context_save); +SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_finish, cortex_a75_context_restore); |