mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-04-18 02:24:18 +00:00
4a079c752b
Meson is the internal code name for the SoC family. The correct name for the platform should be Amlogic. Change the name of the platform directory. Signed-off-by: Carlo Caione <ccaione@baylibre.com> Change-Id: Icc140e1ea137f12117acbf64c7dcb1a8b66b345d
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*
|
|
* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <arch.h>
|
|
#include <platform_def.h>
|
|
#include <stdint.h>
|
|
|
|
#include "gxl_private.h"
|
|
|
|
/* The power domain tree descriptor */
|
|
static unsigned char power_domain_tree_desc[] = {
|
|
/* Number of root nodes */
|
|
PLATFORM_CLUSTER_COUNT,
|
|
/* Number of children for the first node */
|
|
PLATFORM_CLUSTER0_CORE_COUNT
|
|
};
|
|
|
|
/*******************************************************************************
|
|
* This function returns the ARM default topology tree information.
|
|
******************************************************************************/
|
|
const unsigned char *plat_get_power_domain_tree_desc(void)
|
|
{
|
|
return power_domain_tree_desc;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
* This function implements a part of the critical interface between the psci
|
|
* generic layer and the platform that allows the former to query the platform
|
|
* to convert an MPIDR to a unique linear index. An error code (-1) is returned
|
|
* in case the MPIDR is invalid.
|
|
******************************************************************************/
|
|
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 (cpu_id >= PLATFORM_MAX_CPUS_PER_CLUSTER)
|
|
return -1;
|
|
|
|
return plat_gxbb_calc_core_pos(mpidr);
|
|
}
|