1*0818e9e8SAntonio Nino Diaz /* 2*0818e9e8SAntonio Nino Diaz * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. 3*0818e9e8SAntonio Nino Diaz * 4*0818e9e8SAntonio Nino Diaz * SPDX-License-Identifier: BSD-3-Clause 5*0818e9e8SAntonio Nino Diaz */ 6*0818e9e8SAntonio Nino Diaz 7*0818e9e8SAntonio Nino Diaz #include <gicv2.h> 8*0818e9e8SAntonio Nino Diaz #include <platform.h> 9*0818e9e8SAntonio Nino Diaz #include <platform_def.h> 10*0818e9e8SAntonio Nino Diaz 11*0818e9e8SAntonio Nino Diaz /****************************************************************************** 12*0818e9e8SAntonio Nino Diaz * On a GICv2 system, the Group 1 secure interrupts are treated as Group 0 13*0818e9e8SAntonio Nino Diaz * interrupts. 14*0818e9e8SAntonio Nino Diaz *****************************************************************************/ 15*0818e9e8SAntonio Nino Diaz static const interrupt_prop_t poplar_interrupt_props[] = { 16*0818e9e8SAntonio Nino Diaz POPLAR_G1S_IRQ_PROPS(GICV2_INTR_GROUP0), 17*0818e9e8SAntonio Nino Diaz POPLAR_G0_IRQ_PROPS(GICV2_INTR_GROUP0) 18*0818e9e8SAntonio Nino Diaz }; 19*0818e9e8SAntonio Nino Diaz 20*0818e9e8SAntonio Nino Diaz static unsigned int target_mask_array[PLATFORM_CORE_COUNT]; 21*0818e9e8SAntonio Nino Diaz 22*0818e9e8SAntonio Nino Diaz static const gicv2_driver_data_t poplar_gic_data = { 23*0818e9e8SAntonio Nino Diaz .gicd_base = POPLAR_GICD_BASE, 24*0818e9e8SAntonio Nino Diaz .gicc_base = POPLAR_GICC_BASE, 25*0818e9e8SAntonio Nino Diaz .interrupt_props = poplar_interrupt_props, 26*0818e9e8SAntonio Nino Diaz .interrupt_props_num = ARRAY_SIZE(poplar_interrupt_props), 27*0818e9e8SAntonio Nino Diaz .target_masks = target_mask_array, 28*0818e9e8SAntonio Nino Diaz .target_masks_num = ARRAY_SIZE(target_mask_array), 29*0818e9e8SAntonio Nino Diaz }; 30*0818e9e8SAntonio Nino Diaz 31*0818e9e8SAntonio Nino Diaz /****************************************************************************** 32*0818e9e8SAntonio Nino Diaz * Helper to initialize the GICv2 only driver. 33*0818e9e8SAntonio Nino Diaz *****************************************************************************/ 34*0818e9e8SAntonio Nino Diaz void poplar_gic_driver_init(void) 35*0818e9e8SAntonio Nino Diaz { 36*0818e9e8SAntonio Nino Diaz gicv2_driver_init(&poplar_gic_data); 37*0818e9e8SAntonio Nino Diaz } 38*0818e9e8SAntonio Nino Diaz 39*0818e9e8SAntonio Nino Diaz void poplar_gic_init(void) 40*0818e9e8SAntonio Nino Diaz { 41*0818e9e8SAntonio Nino Diaz gicv2_distif_init(); 42*0818e9e8SAntonio Nino Diaz gicv2_pcpu_distif_init(); 43*0818e9e8SAntonio Nino Diaz gicv2_set_pe_target_mask(plat_my_core_pos()); 44*0818e9e8SAntonio Nino Diaz gicv2_cpuif_enable(); 45*0818e9e8SAntonio Nino Diaz } 46*0818e9e8SAntonio Nino Diaz 47*0818e9e8SAntonio Nino Diaz /****************************************************************************** 48*0818e9e8SAntonio Nino Diaz * Helper to enable the GICv2 CPU interface 49*0818e9e8SAntonio Nino Diaz *****************************************************************************/ 50*0818e9e8SAntonio Nino Diaz void poplar_gic_cpuif_enable(void) 51*0818e9e8SAntonio Nino Diaz { 52*0818e9e8SAntonio Nino Diaz gicv2_cpuif_enable(); 53*0818e9e8SAntonio Nino Diaz } 54*0818e9e8SAntonio Nino Diaz 55*0818e9e8SAntonio Nino Diaz /****************************************************************************** 56*0818e9e8SAntonio Nino Diaz * Helper to initialize the per cpu distributor interface in GICv2 57*0818e9e8SAntonio Nino Diaz *****************************************************************************/ 58*0818e9e8SAntonio Nino Diaz void poplar_gic_pcpu_init(void) 59*0818e9e8SAntonio Nino Diaz { 60*0818e9e8SAntonio Nino Diaz gicv2_pcpu_distif_init(); 61*0818e9e8SAntonio Nino Diaz gicv2_set_pe_target_mask(plat_my_core_pos()); 62*0818e9e8SAntonio Nino Diaz } 63