1 /* 2 * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. 3 * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved. 4 * 5 * SPDX-License-Identifier: BSD-3-Clause 6 */ 7 8 #include <common/bl_common.h> 9 #include <drivers/arm/gicv3.h> 10 11 #include <platform.h> 12 #include <platform_def.h> 13 #include <qti_plat.h> 14 #include <qtiseclib_defs.h> 15 #include <qtiseclib_defs_plat.h> 16 17 /* The GICv3 driver only needs to be initialized in EL3 */ 18 static uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT]; 19 20 /* Array of interrupts to be configured by the gic driver */ 21 static const interrupt_prop_t qti_interrupt_props[] = { 22 INTR_PROP_DESC(QTISECLIB_INT_ID_CPU_WAKEUP_SGI, 23 GIC_HIGHEST_SEC_PRIORITY, INTR_GROUP0, 24 GIC_INTR_CFG_EDGE), 25 INTR_PROP_DESC(QTISECLIB_INT_ID_RESET_SGI, GIC_HIGHEST_SEC_PRIORITY, 26 INTR_GROUP0, 27 GIC_INTR_CFG_EDGE), 28 INTR_PROP_DESC(QTISECLIB_INT_ID_SEC_WDOG_BARK, GIC_HIGHEST_SEC_PRIORITY, 29 INTR_GROUP0, 30 GIC_INTR_CFG_EDGE), 31 INTR_PROP_DESC(QTISECLIB_INT_ID_NON_SEC_WDOG_BITE, 32 GIC_HIGHEST_SEC_PRIORITY, INTR_GROUP0, 33 GIC_INTR_CFG_LEVEL), 34 INTR_PROP_DESC(QTISECLIB_INT_ID_VMIDMT_ERR_CLT_SEC, 35 GIC_HIGHEST_SEC_PRIORITY, INTR_GROUP0, 36 GIC_INTR_CFG_EDGE), 37 INTR_PROP_DESC(QTISECLIB_INT_ID_VMIDMT_ERR_CLT_NONSEC, 38 GIC_HIGHEST_SEC_PRIORITY, INTR_GROUP0, 39 GIC_INTR_CFG_EDGE), 40 INTR_PROP_DESC(QTISECLIB_INT_ID_VMIDMT_ERR_CFG_SEC, 41 GIC_HIGHEST_SEC_PRIORITY, INTR_GROUP0, 42 GIC_INTR_CFG_EDGE), 43 INTR_PROP_DESC(QTISECLIB_INT_ID_VMIDMT_ERR_CFG_NONSEC, 44 GIC_HIGHEST_SEC_PRIORITY, INTR_GROUP0, 45 GIC_INTR_CFG_EDGE), 46 INTR_PROP_DESC(QTISECLIB_INT_ID_XPU_SEC, GIC_HIGHEST_SEC_PRIORITY, 47 INTR_GROUP0, 48 GIC_INTR_CFG_EDGE), 49 INTR_PROP_DESC(QTISECLIB_INT_ID_XPU_NON_SEC, GIC_HIGHEST_SEC_PRIORITY, 50 INTR_GROUP0, 51 GIC_INTR_CFG_EDGE), 52 #ifdef QTISECLIB_INT_ID_A1_NOC_ERROR 53 INTR_PROP_DESC(QTISECLIB_INT_ID_A1_NOC_ERROR, GIC_HIGHEST_SEC_PRIORITY, 54 INTR_GROUP0, 55 GIC_INTR_CFG_EDGE), 56 #endif 57 INTR_PROP_DESC(QTISECLIB_INT_ID_A2_NOC_ERROR, GIC_HIGHEST_SEC_PRIORITY, 58 INTR_GROUP0, 59 GIC_INTR_CFG_EDGE), 60 INTR_PROP_DESC(QTISECLIB_INT_ID_CONFIG_NOC_ERROR, 61 GIC_HIGHEST_SEC_PRIORITY, INTR_GROUP0, 62 GIC_INTR_CFG_EDGE), 63 INTR_PROP_DESC(QTISECLIB_INT_ID_DC_NOC_ERROR, GIC_HIGHEST_SEC_PRIORITY, 64 INTR_GROUP0, 65 GIC_INTR_CFG_EDGE), 66 INTR_PROP_DESC(QTISECLIB_INT_ID_MEM_NOC_ERROR, GIC_HIGHEST_SEC_PRIORITY, 67 INTR_GROUP0, 68 GIC_INTR_CFG_EDGE), 69 INTR_PROP_DESC(QTISECLIB_INT_ID_SYSTEM_NOC_ERROR, 70 GIC_HIGHEST_SEC_PRIORITY, INTR_GROUP0, 71 GIC_INTR_CFG_EDGE), 72 INTR_PROP_DESC(QTISECLIB_INT_ID_MMSS_NOC_ERROR, 73 GIC_HIGHEST_SEC_PRIORITY, INTR_GROUP0, 74 GIC_INTR_CFG_EDGE), 75 }; 76 77 const gicv3_driver_data_t qti_gic_data = { 78 .gicd_base = QTI_GICD_BASE, 79 .gicr_base = QTI_GICR_BASE, 80 .interrupt_props = qti_interrupt_props, 81 .interrupt_props_num = ARRAY_SIZE(qti_interrupt_props), 82 .rdistif_num = PLATFORM_CORE_COUNT, 83 .rdistif_base_addrs = rdistif_base_addrs, 84 .mpidr_to_core_pos = plat_qti_core_pos_by_mpidr 85 }; 86 87 void plat_qti_gic_driver_init(void) 88 { 89 /* 90 * The GICv3 driver is initialized in EL3 and does not need 91 * to be initialized again in SEL1. This is because the S-EL1 92 * can use GIC system registers to manage interrupts and does 93 * not need GIC interface base addresses to be configured. 94 */ 95 gicv3_driver_init(&qti_gic_data); 96 } 97 98 /****************************************************************************** 99 * ARM common helper to initialize the GIC. Only invoked by BL31 100 *****************************************************************************/ 101 void plat_qti_gic_init(void) 102 { 103 unsigned int i; 104 105 gicv3_distif_init(); 106 gicv3_rdistif_init(plat_my_core_pos()); 107 gicv3_cpuif_enable(plat_my_core_pos()); 108 109 /* Route secure spi interrupt to ANY. */ 110 for (i = 0; i < ARRAY_SIZE(qti_interrupt_props); i++) { 111 unsigned int int_id = qti_interrupt_props[i].intr_num; 112 113 if (plat_ic_is_spi(int_id)) { 114 gicv3_set_spi_routing(int_id, GICV3_IRM_ANY, 0x0); 115 } 116 } 117 } 118 119 void gic_set_spi_routing(unsigned int id, unsigned int irm, u_register_t target) 120 { 121 gicv3_set_spi_routing(id, irm, target); 122 } 123 124 /****************************************************************************** 125 * ARM common helper to enable the GIC CPU interface 126 *****************************************************************************/ 127 void plat_qti_gic_cpuif_enable(void) 128 { 129 gicv3_cpuif_enable(plat_my_core_pos()); 130 } 131 132 /****************************************************************************** 133 * ARM common helper to disable the GIC CPU interface 134 *****************************************************************************/ 135 void plat_qti_gic_cpuif_disable(void) 136 { 137 gicv3_cpuif_disable(plat_my_core_pos()); 138 } 139 140 /****************************************************************************** 141 * ARM common helper to initialize the per-CPU redistributor interface in GICv3 142 *****************************************************************************/ 143 void plat_qti_gic_pcpu_init(void) 144 { 145 gicv3_rdistif_init(plat_my_core_pos()); 146 } 147 148 /****************************************************************************** 149 * ARM common helpers to power GIC redistributor interface 150 *****************************************************************************/ 151 void plat_qti_gic_redistif_on(void) 152 { 153 gicv3_rdistif_on(plat_my_core_pos()); 154 } 155 156 void plat_qti_gic_redistif_off(void) 157 { 158 gicv3_rdistif_off(plat_my_core_pos()); 159 } 160