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authorAlistair Delva <adelva@google.com>2021-02-16 21:01:22 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2021-02-16 21:01:22 +0000
commitefb2826bb8160e2d8e0fcec85133a7468484f9fd (patch)
tree37a21c69306801ee7cdda5167a30896c8740155b /plat/qti/common/src/qti_topology.c
parentb00a71fc312c9781fa6f404dccfb55b062b2ccac (diff)
parentfaa476c0caaa598afa5a6109d17102db5fe35ec6 (diff)
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Original change: https://android-review.googlesource.com/c/platform/external/arm-trusted-firmware/+/1589611 MUST ONLY BE SUBMITTED BY AUTOMERGER Change-Id: I3a25534ceed4f8e188510641080d8b8ed49b8f62
Diffstat (limited to 'plat/qti/common/src/qti_topology.c')
-rw-r--r--plat/qti/common/src/qti_topology.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/plat/qti/common/src/qti_topology.c b/plat/qti/common/src/qti_topology.c
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+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018,2020 The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+
+#include <platform_def.h>
+#include <qti_plat.h>
+
+/* The QTI power domain tree descriptor */
+const unsigned char qti_power_domain_tree_desc[] = {
+ /* One domain to represent PDC */
+ PLAT_PDC_COUNT,
+ /* One domain to represent RSC */
+ PLAT_RSC_COUNT,
+ /* There is one top-level FCM cluster */
+ PLAT_CLUSTER_COUNT,
+ /* No. of cores in the FCM cluster */
+ PLAT_CLUSTER0_CORE_COUNT
+};
+
+/*******************************************************************************
+ * This function returns the ARM default topology tree information.
+ ******************************************************************************/
+const unsigned char *plat_get_power_domain_tree_desc(void)
+{
+ return qti_power_domain_tree_desc;
+}
+
+/** Function: plat_core_pos_by_mpidr
+ * This function implements a part of the critical interface between the psci
+ * generic layer and the platform that allows the former to query the platform
+ * to convert an MPIDR to a unique linear index. An error code (-1) is returned
+ * in case the MPIDR is invalid.
+ */
+int plat_core_pos_by_mpidr(u_register_t mpidr)
+{
+ int core_linear_index = plat_qti_core_pos_by_mpidr(mpidr);
+
+ if (core_linear_index < PLATFORM_CORE_COUNT) {
+ return core_linear_index;
+ } else {
+ return -1;
+ }
+}