Saurabh Gorecha | 70389ca | 2020-04-22 21:31:24 +0530 | [diff] [blame] | 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 | } |