diff --git a/arch/loongarch/kernel/acpi.c b/arch/loongarch/kernel/acpi.c
index 8f650c9ffecd..873e90990771 100644
--- a/arch/loongarch/kernel/acpi.c
+++ b/arch/loongarch/kernel/acpi.c
@@ -201,10 +201,12 @@ static void __init acpi_process_madt(void)
 }
 
 int pptt_enabled;
+static int acpi_nr_packages;
+static int acpi_package_ids[MAX_PACKAGES];
 
 int __init parse_acpi_topology(void)
 {
-	int cpu, topology_id;
+	int i, cpu, topology_id;
 
 	for_each_possible_cpu(cpu) {
 		topology_id = find_acpi_cpu_topology(cpu, 0);
@@ -222,6 +224,29 @@ int __init parse_acpi_topology(void)
 
 			cpu_data[cpu].core = topology_id;
 		}
+
+		topology_id = find_acpi_cpu_topology_package(cpu);
+		if (topology_id < 0) {
+			pr_warn("Invalid BIOS PPTT\n");
+			return -ENOENT;
+		}
+
+		for (i = 0; i < acpi_nr_packages; i++)
+			if (acpi_package_ids[i] == topology_id)
+				break;
+
+		if (i == acpi_nr_packages)
+			acpi_package_ids[acpi_nr_packages++] = topology_id;
+
+		cpu_data[cpu].package = topology_id;
+	}
+
+	for_each_possible_cpu(cpu) {
+		for (i = 0; i < acpi_nr_packages; i++)
+			if (cpu_data[cpu].package == acpi_package_ids[i]) {
+				cpu_data[cpu].package = i; /* Canonicalize */
+				break;
+			}
 	}
 
 	pptt_enabled = 1;
diff --git a/arch/loongarch/kernel/smp.c b/arch/loongarch/kernel/smp.c
index 5d792256bbb9..d4b5d1b6bb01 100644
--- a/arch/loongarch/kernel/smp.c
+++ b/arch/loongarch/kernel/smp.c
@@ -426,10 +426,10 @@ void loongson_init_secondary(void)
 	numa_add_cpu(cpu);
 #endif
 	per_cpu(cpu_state, cpu) = CPU_ONLINE;
-	cpu_data[cpu].package =
-		     cpu_logical_map(cpu) / loongson_sysconf.cores_per_package;
 	cpu_data[cpu].core = pptt_enabled ? cpu_data[cpu].core :
 		     cpu_logical_map(cpu) % loongson_sysconf.cores_per_package;
+	cpu_data[cpu].package = pptt_enabled ? cpu_data[cpu].package :
+		     cpu_logical_map(cpu) / loongson_sysconf.cores_per_package;
 	cpu_data[cpu].global_id = cpu_logical_map(cpu);
 }