diff options
| author | Ben Zong-You Xie <[email protected]> | 2025-12-29 15:19:11 +0800 |
|---|---|---|
| committer | Anup Patel <[email protected]> | 2026-02-11 12:04:01 +0530 |
| commit | 85bff9cc163e05130899264eb6e963fc582de117 (patch) | |
| tree | aeaf6765355c189f47775570e2259bd2fbe0a06c /lib/utils | |
| parent | 9ffacc8ae1ca07ed36d57f887d62a65ae7a44223 (diff) | |
platform: generic/andes: add CSR save and restore functions for AE350 platform
Implement a save and restore mechanism for Andes-specific CSRs to support
hardware power-saving modes, such as CPU hotplug or suspend to RAM.
Signed-off-by: Ben Zong-You Xie <[email protected]>
Signed-off-by: Leo Yu-Chi Liang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Anup Patel <[email protected]>
Diffstat (limited to 'lib/utils')
| -rw-r--r-- | lib/utils/hsm/fdt_hsm_andes_atcsmu.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/utils/hsm/fdt_hsm_andes_atcsmu.c b/lib/utils/hsm/fdt_hsm_andes_atcsmu.c index a9621773..8cadc7f0 100644 --- a/lib/utils/hsm/fdt_hsm_andes_atcsmu.c +++ b/lib/utils/hsm/fdt_hsm_andes_atcsmu.c @@ -126,6 +126,7 @@ static int ae350_hart_stop(void) if (rc) return SBI_EFAIL; + ae350_non_ret_save(sbi_scratch_thishart_ptr()); ae350_disable_coherency(); wfi(); return 0; |