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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
commit102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch)
treebcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/arm/board/n1sdp/n1sdp_topology.c
parentInitial commit. (diff)
downloadarm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.tar.xz
arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.zip
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plat/arm/board/n1sdp/n1sdp_topology.c')
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1 files changed, 59 insertions, 0 deletions
diff --git a/plat/arm/board/n1sdp/n1sdp_topology.c b/plat/arm/board/n1sdp/n1sdp_topology.c
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+/*
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/* Topology */
+typedef struct n1sdp_topology {
+ const unsigned char *power_tree;
+ unsigned int plat_cluster_core_count;
+} n1sdp_topology_t;
+
+/*
+ * The power domain tree descriptor. The cluster power domains are
+ * arranged so that when the PSCI generic code creates the power domain tree,
+ * the indices of the CPU power domain nodes it allocates match the linear
+ * indices returned by plat_core_pos_by_mpidr().
+ */
+const unsigned char n1sdp_pd_tree_desc[] = {
+ PLAT_N1SDP_CHIP_COUNT,
+ PLAT_ARM_CLUSTER_COUNT,
+ PLAT_ARM_CLUSTER_COUNT,
+ N1SDP_MAX_CPUS_PER_CLUSTER,
+ N1SDP_MAX_CPUS_PER_CLUSTER,
+ N1SDP_MAX_CPUS_PER_CLUSTER,
+ N1SDP_MAX_CPUS_PER_CLUSTER
+};
+
+/* Topology configuration for n1sdp */
+const n1sdp_topology_t n1sdp_topology = {
+ .power_tree = n1sdp_pd_tree_desc,
+ .plat_cluster_core_count = N1SDP_MAX_CPUS_PER_CLUSTER
+};
+
+/*******************************************************************************
+ * This function returns the topology tree information.
+ ******************************************************************************/
+const unsigned char *plat_get_power_domain_tree_desc(void)
+{
+ return n1sdp_topology.power_tree;
+}
+
+/*******************************************************************************
+ * This function returns the core count within the cluster corresponding to
+ * `mpidr`.
+ ******************************************************************************/
+unsigned int plat_arm_get_cluster_core_count(u_register_t mpidr)
+{
+ return n1sdp_topology.plat_cluster_core_count;
+}
+
+/*******************************************************************************
+ * The array mapping platform core position (implemented by plat_my_core_pos())
+ * to the SCMI power domain ID implemented by SCP.
+ ******************************************************************************/
+const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[PLATFORM_CORE_COUNT] = {
+ 0, 1, 2, 3, 4, 5, 6, 7};