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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/imx/common/imx8_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/imx/common/imx8_topology.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/plat/imx/common/imx8_topology.c b/plat/imx/common/imx8_topology.c new file mode 100644 index 0000000..5e14d17 --- /dev/null +++ b/plat/imx/common/imx8_topology.c @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <arch_helpers.h> +#include <plat/common/platform.h> + +const unsigned char imx_power_domain_tree_desc[] = { + PWR_DOMAIN_AT_MAX_LVL, + PLATFORM_CLUSTER_COUNT, + PLATFORM_CLUSTER0_CORE_COUNT, + PLATFORM_CLUSTER1_CORE_COUNT, +}; + +const unsigned char *plat_get_power_domain_tree_desc(void) +{ + return imx_power_domain_tree_desc; +} + +int plat_core_pos_by_mpidr(u_register_t mpidr) +{ + unsigned int cluster_id, cpu_id; + + mpidr &= MPIDR_AFFINITY_MASK; + + if (mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)) + return -1; + + cluster_id = MPIDR_AFFLVL1_VAL(mpidr); + cpu_id = MPIDR_AFFLVL0_VAL(mpidr); + + if (cluster_id > PLATFORM_CLUSTER_COUNT || + cpu_id > PLATFORM_MAX_CPU_PER_CLUSTER) + return -1; + + return (cpu_id + (cluster_id * 4)); +} |