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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/arm/board/corstone1000/common/corstone1000_topology.c | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-upstream.tar.xz arm-trusted-firmware-upstream.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 '')
-rw-r--r-- | plat/arm/board/corstone1000/common/corstone1000_topology.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/plat/arm/board/corstone1000/common/corstone1000_topology.c b/plat/arm/board/corstone1000/common/corstone1000_topology.c new file mode 100644 index 0000000..5351896 --- /dev/null +++ b/plat/arm/board/corstone1000/common/corstone1000_topology.c @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2021-2022, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <plat/arm/common/plat_arm.h> +#include <plat/common/platform.h> + +/* The corstone1000 power domain tree descriptor */ +static unsigned char corstone1000_power_domain_tree_desc[PLAT_ARM_CLUSTER_COUNT + + 2]; +/******************************************************************************* + * This function dynamically constructs the topology according to + * CLUSTER_COUNT and returns it. + ******************************************************************************/ +const unsigned char *plat_get_power_domain_tree_desc(void) +{ + int i; + + /* + * The highest level is the system level. The next level is constituted + * by clusters and then cores in clusters. + */ + corstone1000_power_domain_tree_desc[0] = 1; + corstone1000_power_domain_tree_desc[1] = PLAT_ARM_CLUSTER_COUNT; + + for (i = 0; i < PLAT_ARM_CLUSTER_COUNT; i++) + corstone1000_power_domain_tree_desc[i + 2] = PLATFORM_CORE_COUNT; + + return corstone1000_power_domain_tree_desc; +} + +/****************************************************************************** + * 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) +{ + return plat_arm_calc_core_pos(mpidr); +} |