From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- plat/arm/board/n1sdp/n1sdp_topology.c | 59 +++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 plat/arm/board/n1sdp/n1sdp_topology.c (limited to 'plat/arm/board/n1sdp/n1sdp_topology.c') diff --git a/plat/arm/board/n1sdp/n1sdp_topology.c b/plat/arm/board/n1sdp/n1sdp_topology.c new file mode 100644 index 0000000..5c2db71 --- /dev/null +++ b/plat/arm/board/n1sdp/n1sdp_topology.c @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include + +/* 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}; -- cgit v1.2.3