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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/rockchip/common/plat_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/rockchip/common/plat_topology.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/plat/rockchip/common/plat_topology.c b/plat/rockchip/common/plat_topology.c new file mode 100644 index 0000000..4987eeb --- /dev/null +++ b/plat/rockchip/common/plat_topology.c @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2013-2016, 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> + +/******************************************************************************* + * This function returns the RockChip default topology tree information. + ******************************************************************************/ +const unsigned char *plat_get_power_domain_tree_desc(void) +{ + return rockchip_power_domain_tree_desc; +} + +int plat_core_pos_by_mpidr(u_register_t mpidr) +{ + unsigned int cluster_id, cpu_id; + + cpu_id = mpidr & MPIDR_AFFLVL_MASK; +#ifdef PLAT_RK_MPIDR_CLUSTER_MASK + cluster_id = mpidr & PLAT_RK_MPIDR_CLUSTER_MASK; +#else + cluster_id = mpidr & MPIDR_CLUSTER_MASK; +#endif + + cpu_id += (cluster_id >> PLAT_RK_CLST_TO_CPUID_SHIFT); + + if (cpu_id >= PLATFORM_CORE_COUNT) + return -1; + + return cpu_id; +} |