96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/*
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* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <platform_def.h>
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#include <common/bl_common.h>
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#include <common/interrupt_props.h>
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#include <drivers/arm/gicv3.h>
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#include <lib/utils.h>
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#include <plat/common/platform.h>
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/******************************************************************************
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* The following functions are defined as weak to allow a platform to override
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* the way the GICv3 driver is initialised and used.
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*****************************************************************************/
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#pragma weak plat_rockchip_gic_driver_init
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#pragma weak plat_rockchip_gic_init
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#pragma weak plat_rockchip_gic_cpuif_enable
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#pragma weak plat_rockchip_gic_cpuif_disable
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#pragma weak plat_rockchip_gic_pcpu_init
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/* The GICv3 driver only needs to be initialized in EL3 */
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uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT];
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static const interrupt_prop_t g01s_interrupt_props[] = {
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PLAT_RK_GICV3_G0_IRQS,
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PLAT_RK_GICV3_G1S_IRQS
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};
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static unsigned int plat_rockchip_mpidr_to_core_pos(unsigned long mpidr)
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{
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return (unsigned int)plat_core_pos_by_mpidr(mpidr);
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}
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const gicv3_driver_data_t rockchip_gic_data = {
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.gicd_base = PLAT_RK_GICD_BASE,
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.gicr_base = PLAT_RK_GICR_BASE,
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.interrupt_props = g01s_interrupt_props,
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.interrupt_props_num = ARRAY_SIZE(g01s_interrupt_props),
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.rdistif_num = PLATFORM_CORE_COUNT,
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.rdistif_base_addrs = rdistif_base_addrs,
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.mpidr_to_core_pos = plat_rockchip_mpidr_to_core_pos,
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};
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void plat_rockchip_gic_driver_init(void)
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{
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/*
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* The GICv3 driver is initialized in EL3 and does not need
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* to be initialized again in SEL1. This is because the S-EL1
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* can use GIC system registers to manage interrupts and does
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* not need GIC interface base addresses to be configured.
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*/
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#ifdef IMAGE_BL31
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gicv3_driver_init(&rockchip_gic_data);
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#endif
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}
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/******************************************************************************
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* RockChip common helper to initialize the GIC. Only invoked
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* by BL31
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*****************************************************************************/
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void plat_rockchip_gic_init(void)
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{
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gicv3_distif_init();
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gicv3_rdistif_init(plat_my_core_pos());
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gicv3_cpuif_enable(plat_my_core_pos());
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}
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/******************************************************************************
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* RockChip common helper to enable the GIC CPU interface
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*****************************************************************************/
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void plat_rockchip_gic_cpuif_enable(void)
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{
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gicv3_cpuif_enable(plat_my_core_pos());
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}
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/******************************************************************************
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* RockChip common helper to disable the GIC CPU interface
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*****************************************************************************/
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void plat_rockchip_gic_cpuif_disable(void)
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{
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gicv3_cpuif_disable(plat_my_core_pos());
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}
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/******************************************************************************
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* RockChip common helper to initialize the per-cpu redistributor interface
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* in GICv3
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*****************************************************************************/
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void plat_rockchip_gic_pcpu_init(void)
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{
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gicv3_rdistif_init(plat_my_core_pos());
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}
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