1 /* 2 * Copyright (c) 2020, The Linux Foundation. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <stdbool.h> 8 #include <stdint.h> 9 10 #include <common/debug.h> 11 12 #include <qtiseclib_defs.h> 13 #include <qtiseclib_interface.h> 14 15 /* 16 * This file contains dummy implementation of QTISECLIB Published API's. 17 * which will be used to compile PLATFORM successfully when 18 * qtiseclib is not available 19 */ 20 21 /* 22 * CPUSS common reset handler for all CPU wake up (both cold & warm boot). 23 * Executes on all core. This API assume serialization across CPU 24 * already taken care before invoking. 25 * 26 * Clobbers: x0 - x17, x30 27 */ 28 void qtiseclib_cpuss_reset_asm(uint32_t bl31_cold_boot_state) 29 { 30 } 31 32 /* 33 * Execute CPU (Kryo4 gold) specific reset handler / system initialization. 34 * This takes care of executing required CPU errata's. 35 * 36 * Clobbers: x0 - x16 37 */ 38 void qtiseclib_kryo4_gold_reset_asm(void) 39 { 40 } 41 42 /* 43 * Execute CPU (Kryo4 silver) specific reset handler / system initialization. 44 * This takes care of executing required CPU errata's. 45 * 46 * Clobbers: x0 - x16 47 */ 48 void qtiseclib_kryo4_silver_reset_asm(void) 49 { 50 } 51 52 /* 53 * C Api's 54 */ 55 void qtiseclib_bl31_platform_setup(void) 56 { 57 ERROR("Please use QTISECLIB_PATH while building TF-A\n"); 58 ERROR("Please refer docs/plat/qti.rst for more details.\n"); 59 panic(); 60 } 61 62 void qtiseclib_invoke_isr(uint32_t irq, void *handle) 63 { 64 } 65 66 void qtiseclib_panic(void) 67 { 68 } 69 70 int qtiseclib_prng_get_data(uint8_t *out, uint32_t out_len) 71 { 72 /* fill dummy data to avoid assert and print 73 * stub implementation in setup call 74 */ 75 for (int i = 0; i < out_len; i++) { 76 out[i] = 0x11; 77 } 78 return 0; 79 } 80 81 int 82 qtiseclib_mem_assign(const memprot_info_t *mem_info, 83 uint32_t mem_info_list_cnt, 84 const uint32_t *source_vm_list, 85 uint32_t src_vm_list_cnt, 86 const memprot_dst_vm_perm_info_t *dest_vm_list, 87 uint32_t dst_vm_list_cnt) 88 { 89 return 0; 90 } 91 92 int qtiseclib_psci_init(uintptr_t warmboot_entry) 93 { 94 return 0; 95 } 96 97 int qtiseclib_psci_node_power_on(u_register_t mpidr) 98 { 99 return 0; 100 } 101 102 void qtiseclib_psci_node_on_finish(const uint8_t *states) 103 { 104 } 105 106 void qtiseclib_psci_cpu_standby(uint8_t pwr_state) 107 { 108 } 109 110 void qtiseclib_psci_node_power_off(const uint8_t *states) 111 { 112 } 113 114 void qtiseclib_psci_node_suspend(const uint8_t *states) 115 { 116 } 117 118 void qtiseclib_psci_node_suspend_finish(const uint8_t *states) 119 { 120 } 121 122 void qtiseclib_psci_system_off(void) 123 { 124 while (1) { 125 }; 126 } 127 128 void qtiseclib_psci_system_reset(void) 129 { 130 while (1) { 131 }; 132 } 133 134 void qtiseclib_disable_cluster_coherency(uint8_t state) 135 { 136 } 137 138