GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/plat/hisilicon/poplar/plat_topology.c

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <platform_def.h>
+
+#include <arch.h>
+#include <lib/psci/psci.h>
+
+#include "plat_private.h"
+
+const unsigned char hisi_power_domain_tree_desc[] = {
+	PLATFORM_CLUSTER_COUNT,
+	PLATFORM_CORE_COUNT,
+};
+
+const unsigned char *plat_get_power_domain_tree_desc(void)
+{
+	return hisi_power_domain_tree_desc;
+}
+
+int plat_core_pos_by_mpidr(u_register_t mpidr)
+{
+	if (mpidr & MPIDR_CLUSTER_MASK)
+		return -1;
+
+	if ((mpidr & MPIDR_CPU_MASK) >= PLATFORM_CORE_COUNT)
+		return -1;
+
+	return poplar_calc_core_pos(mpidr);
+}