48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
/*
|
|
* Copyright (c) 2018, Renesas Electronics Corporation. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <platform_def.h>
|
|
|
|
#include <common/debug.h>
|
|
#include <lib/psci/psci.h>
|
|
|
|
static const unsigned char rcar_power_domain_tree_desc[] = {
|
|
1,
|
|
PLATFORM_CLUSTER_COUNT,
|
|
PLATFORM_CLUSTER0_CORE_COUNT,
|
|
PLATFORM_CLUSTER1_CORE_COUNT
|
|
};
|
|
|
|
const unsigned char *plat_get_power_domain_tree_desc(void)
|
|
{
|
|
return rcar_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 >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK;
|
|
cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK;
|
|
|
|
if (cluster_id >= PLATFORM_CLUSTER_COUNT)
|
|
return -1;
|
|
|
|
if (cluster_id == 0 && cpu_id >= PLATFORM_CLUSTER0_CORE_COUNT)
|
|
return -1;
|
|
|
|
if (cluster_id == 1 && cpu_id >= PLATFORM_CLUSTER1_CORE_COUNT)
|
|
return -1;
|
|
|
|
return (cpu_id + cluster_id * PLATFORM_CLUSTER0_CORE_COUNT);
|
|
}
|
|
|