diff options
Diffstat (limited to 'src/soc/nvidia/tegra132/psci.c')
| -rw-r--r-- | src/soc/nvidia/tegra132/psci.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra132/psci.c b/src/soc/nvidia/tegra132/psci.c index 0b5d793aaf..b075ffc353 100644 --- a/src/soc/nvidia/tegra132/psci.c +++ b/src/soc/nvidia/tegra132/psci.c @@ -18,9 +18,21 @@ */ #include <arch/psci.h> +#include <soc/cpu.h> + +static void *cpu_on_entry_point; void psci_soc_init(uintptr_t cpu_on_entry) { + /* + * Stash secmon entry point for CPUs starting up. The 32-bit reset + * vector register is accessible in < EL3 so one has to attempt to + * plug the potential race for that register being changed out from + * under us. Therefore, we set the appropriate registers here, but + * it is also done on each CPU_ON request. + */ + cpu_on_entry_point = (void *)cpu_on_entry; + cpu_prepare_startup(cpu_on_entry_point); } static size_t children_at_level(int parent_level, uint64_t mpidr) |