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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /lib/cpus/aarch64/neoverse_n1_pubsub.c | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-upstream.tar.xz arm-trusted-firmware-upstream.zip |
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/cpus/aarch64/neoverse_n1_pubsub.c')
-rw-r--r-- | lib/cpus/aarch64/neoverse_n1_pubsub.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/cpus/aarch64/neoverse_n1_pubsub.c b/lib/cpus/aarch64/neoverse_n1_pubsub.c new file mode 100644 index 0000000..b1b7bb8 --- /dev/null +++ b/lib/cpus/aarch64/neoverse_n1_pubsub.c @@ -0,0 +1,28 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <neoverse_n1.h> +#include <cpuamu.h> +#include <lib/el3_runtime/pubsub_events.h> + +static void *neoverse_n1_context_save(const void *arg) +{ + if (midr_match(NEOVERSE_N1_MIDR) != 0) + cpuamu_context_save(NEOVERSE_N1_AMU_NR_COUNTERS); + + return (void *)0; +} + +static void *neoverse_n1_context_restore(const void *arg) +{ + if (midr_match(NEOVERSE_N1_MIDR) != 0) + cpuamu_context_restore(NEOVERSE_N1_AMU_NR_COUNTERS); + + return (void *)0; +} + +SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_start, neoverse_n1_context_save); +SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_finish, neoverse_n1_context_restore); |