diff options
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-lsch3/mp.c')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-lsch3/mp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/mp.c b/arch/arm/cpu/armv8/fsl-lsch3/mp.c index 94998bf..ce9c0c1 100644 --- a/arch/arm/cpu/armv8/fsl-lsch3/mp.c +++ b/arch/arm/cpu/armv8/fsl-lsch3/mp.c @@ -83,6 +83,14 @@ int is_core_valid(unsigned int core) return !!((1 << core) & cpu_mask()); } +int is_core_online(u64 cpu_id) +{ + u64 *table; + int pos = id_to_core(cpu_id); + table = (u64 *)get_spin_tbl_addr() + pos * WORDS_PER_SPIN_TABLE_ENTRY; + return table[SPIN_TABLE_ELEM_STATUS_IDX] == 1; +} + int cpu_reset(int nr) { puts("Feature is not implemented.\n"); |