blob: 27c525b720ebad5f1628b6020fa71e03cdfacc85 [file] [log] [blame]
/*
* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <platform_def.h>
#include <common/bl_common.h>
#include <common/interrupt_props.h>
#include <drivers/arm/gicv3.h>
#include <lib/utils.h>
#include <plat/common/platform.h>
#include <plat_imx8.h>
/* the GICv3 driver only needs to be initialized in EL3 */
uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT];
static const interrupt_prop_t g01s_interrupt_props[] = {
INTR_PROP_DESC(6, GIC_HIGHEST_SEC_PRIORITY,
INTR_GROUP1S, GIC_INTR_CFG_LEVEL),
INTR_PROP_DESC(7, GIC_HIGHEST_SEC_PRIORITY,
INTR_GROUP0, GIC_INTR_CFG_LEVEL),
};
static unsigned int plat_imx_mpidr_to_core_pos(unsigned long mpidr)
{
return (unsigned int)plat_core_pos_by_mpidr(mpidr);
}
const gicv3_driver_data_t arm_gic_data = {
.gicd_base = PLAT_GICD_BASE,
.gicr_base = PLAT_GICR_BASE,
.interrupt_props = g01s_interrupt_props,
.interrupt_props_num = ARRAY_SIZE(g01s_interrupt_props),
.rdistif_num = PLATFORM_CORE_COUNT,
.rdistif_base_addrs = rdistif_base_addrs,
.mpidr_to_core_pos = plat_imx_mpidr_to_core_pos,
};
void plat_gic_driver_init(void)
{
/*
* the GICv3 driver is initialized in EL3 and does not need
* to be initialized again in S-EL1. This is because the S-EL1
* can use GIC system registers to manage interrupts and does
* not need GIC interface base addresses to be configured.
*/
#if IMAGE_BL31
gicv3_driver_init(&arm_gic_data);
#endif
}
void plat_gic_init(void)
{
gicv3_distif_init();
gicv3_rdistif_init(plat_my_core_pos());
gicv3_cpuif_enable(plat_my_core_pos());
}
void plat_gic_cpuif_enable(void)
{
gicv3_cpuif_enable(plat_my_core_pos());
}
void plat_gic_cpuif_disable(void)
{
gicv3_cpuif_disable(plat_my_core_pos());
}
void plat_gic_pcpu_init(void)
{
gicv3_rdistif_init(plat_my_core_pos());
}
void plat_gic_save(unsigned int proc_num, struct plat_gic_ctx *ctx)
{
/* save the gic rdist/dist context */
for (int i = 0; i < PLATFORM_CORE_COUNT; i++)
gicv3_rdistif_save(i, &ctx->rdist_ctx[i]);
gicv3_distif_save(&ctx->dist_ctx);
}
void plat_gic_restore(unsigned int proc_num, struct plat_gic_ctx *ctx)
{
/* restore the gic rdist/dist context */
gicv3_distif_init_restore(&ctx->dist_ctx);
for (int i = 0; i < PLATFORM_CORE_COUNT; i++)
gicv3_rdistif_init_restore(i, &ctx->rdist_ctx[i]);
}