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tc0_topology.c 2.23 KB
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plat/arm: Introduce TC0 platform    
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/*
 * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <plat/arm/common/plat_arm.h>
#include <plat/arm/css/common/css_pm.h>

/******************************************************************************
 * The power domain tree descriptor.
 ******************************************************************************/
const unsigned char tc0_pd_tree_desc[] = {
	PLAT_ARM_CLUSTER_COUNT,
	PLAT_MAX_CPUS_PER_CLUSTER,
};

/*******************************************************************************
 * This function returns the topology tree information.
 ******************************************************************************/
const unsigned char *plat_get_power_domain_tree_desc(void)
{
	return tc0_pd_tree_desc;
}

/*******************************************************************************
 * The array mapping platform core position (implemented by plat_my_core_pos())
 * to the SCMI power domain ID implemented by SCP.
 ******************************************************************************/
const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[] = {
	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x0)),
	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x1)),
	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x2)),
	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x3)),
	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x4)),
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	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x5)),
	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x6)),
	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x7)),
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plat/arm: Introduce TC0 platform    
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};

/*******************************************************************************
 * This function returns the core count within the cluster corresponding to
 * `mpidr`.
 ******************************************************************************/
unsigned int plat_arm_get_cluster_core_count(u_register_t mpidr)
{
	return PLAT_MAX_CPUS_PER_CLUSTER;
}

#if ARM_PLAT_MT
/******************************************************************************
 * Return the number of PE's supported by the CPU.
 *****************************************************************************/
unsigned int plat_arm_get_cpu_pe_count(u_register_t mpidr)
{
	return PLAT_MAX_PE_PER_CPU;
}
#endif