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Diffstat (limited to 'arch/arm/cpu/armv8/fsl-lsch3/mp.c')
-rw-r--r--arch/arm/cpu/armv8/fsl-lsch3/mp.c8
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");