diff options
Diffstat (limited to 'plat/imx/imx93/plat_topology.c')
-rw-r--r-- | plat/imx/imx93/plat_topology.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/plat/imx/imx93/plat_topology.c b/plat/imx/imx93/plat_topology.c new file mode 100644 index 0000000..739e2b9 --- /dev/null +++ b/plat/imx/imx93/plat_topology.c @@ -0,0 +1,39 @@ +/* + * Copyright 2022-2023 NXP + * + * 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, +}; + +const unsigned char *plat_get_power_domain_tree_desc(void) +{ + return imx_power_domain_tree_desc; +} + +/* + * Only one cluster is planned for i.MX9 family, no need + * to consider the cluster id + */ +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_AFFLVL1_VAL(mpidr); + + return cpu_id; +} |