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sgi_plat_config.c 2.01 KB
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Nariman Poushin's avatar
ARM platforms: Add support for SGI575    
Nariman Poushin committed
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/*
 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <assert.h>
#include <debug.h>
#include <plat_arm.h>
#include <platform_def.h>
#include <sgi_variant.h>
#include <sgi_plat_config.h>
#include <string.h>

static css_plat_config_t *css_plat_info;

/* GIC */
/* The GICv3 driver only needs to be initialized in EL3 */
uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT];

const interrupt_prop_t sgi575_interrupt_props[] = {
	CSS_G1S_IRQ_PROPS(INTR_GROUP1S),
	ARM_G0_IRQ_PROPS(INTR_GROUP0),
};

/* Special definition for SGI575 */
/* GIC configuration for SGI575 */
const gicv3_driver_data_t sgi575_gic_data = {
		.gicd_base = PLAT_ARM_GICD_BASE,
		.gicr_base = PLAT_ARM_GICR_BASE,
		.interrupt_props = sgi575_interrupt_props,
		.interrupt_props_num = ARRAY_SIZE(sgi575_interrupt_props),
		.rdistif_num = PLATFORM_CORE_COUNT,
		.rdistif_base_addrs = rdistif_base_addrs,
		.mpidr_to_core_pos = plat_arm_calc_core_pos
		};

/* Interconnect configuration for SGI575 */
const css_inteconn_config_t sgi575_inteconn = {
	.ip_type = ARM_CMN,
	.plat_inteconn_desc = NULL
};

/* Configuration structure for SGI575 */
css_plat_config_t sgi575_config = {
	.gic_data = &sgi575_gic_data,
	.inteconn = &sgi575_inteconn,
};

/*******************************************************************************
 * This function initializes the platform sturcture.
 ******************************************************************************/
void plat_config_init(void)
{
	/* Get the platform configurations */
	switch (GET_SGI_PART_NUM) {
	case SGI575_SSC_VER_PART_NUM:
		css_plat_info = &sgi575_config;
		break;
	default:
		ERROR("Not a valid sgi variant!\n");
		panic();
	}
}

/*******************************************************************************
 * This function returns the platform structure pointer.
 ******************************************************************************/
css_plat_config_t *get_plat_config(void)
{
	assert(css_plat_info != NULL);
	return css_plat_info;
}