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| author | Benjamin Fair <b-fair@ti.com> | 2016-10-14 01:13:47 +0000 |
|---|---|---|
| committer | Andrew F. Davis <afd@ti.com> | 2018-06-19 11:50:32 -0500 |
| commit | 878bd5cebfea23abccbea1904080e573e2adcaaf (patch) | |
| tree | 7424aa7833bc87b52c1a0fed1b0ae0ad8c68b1ec /plat | |
| parent | a546d25b1e1af0d6b9dea272fb6950d46a4cf56d (diff) | |
| download | platform_external_arm-trusted-firmware-878bd5cebfea23abccbea1904080e573e2adcaaf.tar.gz platform_external_arm-trusted-firmware-878bd5cebfea23abccbea1904080e573e2adcaaf.tar.bz2 platform_external_arm-trusted-firmware-878bd5cebfea23abccbea1904080e573e2adcaaf.zip | |
ti: k3: common: Implement topology functions
These functions describe the layout of the cores and clusters in order to
support the PSCI framework.
Signed-off-by: Benjamin Fair <b-fair@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>
Diffstat (limited to 'plat')
| -rw-r--r-- | plat/ti/k3/common/k3_topology.c | 70 | ||||
| -rw-r--r-- | plat/ti/k3/common/plat_common.mk | 1 |
2 files changed, 71 insertions, 0 deletions
diff --git a/plat/ti/k3/common/k3_topology.c b/plat/ti/k3/common/k3_topology.c new file mode 100644 index 000000000..a77c8f34c --- /dev/null +++ b/plat/ti/k3/common/k3_topology.c @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <platform_def.h> +#include <psci.h> + +/* The power domain tree descriptor */ +static unsigned char power_domain_tree_desc[] = { + PLATFORM_CLUSTER_COUNT, + K3_CLUSTER0_CORE_COUNT, +#if K3_CLUSTER1_MSMC_PORT != UNUSED + K3_CLUSTER1_CORE_COUNT, +#endif /* K3_CLUSTER1_MSMC_PORT != UNUSED */ +#if K3_CLUSTER2_MSMC_PORT != UNUSED + K3_CLUSTER2_CORE_COUNT, +#endif /* K3_CLUSTER2_MSMC_PORT != UNUSED */ +#if K3_CLUSTER3_MSMC_PORT != UNUSED + K3_CLUSTER3_CORE_COUNT, +#endif /* K3_CLUSTER3_MSMC_PORT != UNUSED */ +}; + +const unsigned char *plat_get_power_domain_tree_desc(void) +{ + return power_domain_tree_desc; +} + +int plat_core_pos_by_mpidr(u_register_t mpidr) +{ + unsigned int cpu_id; + + mpidr &= MPIDR_AFFINITY_MASK; + + if (mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)) + return -1; + + cpu_id = MPIDR_AFFLVL0_VAL(mpidr); + + switch (MPIDR_AFFLVL1_VAL(mpidr)) { + case K3_CLUSTER0_MSMC_PORT: + if (cpu_id < K3_CLUSTER0_CORE_COUNT) + return cpu_id; + return -1; +#if K3_CLUSTER1_MSMC_PORT != UNUSED + case K3_CLUSTER1_MSMC_PORT: + if (cpu_id < K3_CLUSTER1_CORE_COUNT) + return K3_CLUSTER0_CORE_COUNT + cpu_id; + return -1; +#endif /* K3_CLUSTER1_MSMC_PORT != UNUSED */ +#if K3_CLUSTER2_MSMC_PORT != UNUSED + case K3_CLUSTER2_MSMC_PORT: + if (cpu_id < K3_CLUSTER2_CORE_COUNT) + return K3_CLUSTER0_CORE_COUNT + + K3_CLUSTER1_CORE_COUNT + cpu_id; + return -1; +#endif /* K3_CLUSTER2_MSMC_PORT != UNUSED */ +#if K3_CLUSTER3_MSMC_PORT != UNUSED + case K3_CLUSTER3_MSMC_PORT: + if (cpu_id < K3_CLUSTER3_CORE_COUNT) + return K3_CLUSTER0_CORE_COUNT + + K3_CLUSTER1_CORE_COUNT + + K3_CLUSTER2_CORE_COUNT + cpu_id; + return -1; +#endif /* K3_CLUSTER3_MSMC_PORT != UNUSED */ + default: + return -1; + } +} diff --git a/plat/ti/k3/common/plat_common.mk b/plat/ti/k3/common/plat_common.mk index 65b71e39a..43cdc9ac9 100644 --- a/plat/ti/k3/common/plat_common.mk +++ b/plat/ti/k3/common/plat_common.mk @@ -36,3 +36,4 @@ PLAT_BL_COMMON_SOURCES += \ BL31_SOURCES += \ ${PLAT_PATH}/common/k3_bl31_setup.c \ ${PLAT_PATH}/common/k3_helpers.S \ + ${PLAT_PATH}/common/k3_topology.c \ |