1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright 2025 Advanced Micro Devices, Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 */ 24 25 #include "ras.h" 26 #include "ras_nbio.h" 27 #include "ras_nbio_v7_9.h" 28 29 static const struct ras_nbio_ip_func *ras_nbio_get_ip_funcs( 30 struct ras_core_context *ras_core, uint32_t ip_version) 31 { 32 switch (ip_version) { 33 case IP_VERSION(7, 9, 0): 34 case IP_VERSION(7, 9, 1): 35 return &ras_nbio_v7_9; 36 default: 37 RAS_DEV_ERR(ras_core->dev, 38 "NBIO ip version(0x%x) is not supported!\n", ip_version); 39 break; 40 } 41 42 return NULL; 43 } 44 45 int ras_nbio_hw_init(struct ras_core_context *ras_core) 46 { 47 struct ras_nbio *nbio = &ras_core->ras_nbio; 48 49 nbio->nbio_ip_version = ras_core->config->nbio_ip_version; 50 nbio->sys_func = ras_core->config->nbio_cfg.nbio_sys_fn; 51 if (!nbio->sys_func) { 52 RAS_DEV_ERR(ras_core->dev, "RAS nbio sys function not configured!\n"); 53 return -EINVAL; 54 } 55 56 nbio->ip_func = ras_nbio_get_ip_funcs(ras_core, nbio->nbio_ip_version); 57 if (!nbio->ip_func) 58 return -EINVAL; 59 60 if (nbio->sys_func) { 61 if (nbio->sys_func->set_ras_controller_irq_state) 62 nbio->sys_func->set_ras_controller_irq_state(ras_core, true); 63 if (nbio->sys_func->set_ras_err_event_athub_irq_state) 64 nbio->sys_func->set_ras_err_event_athub_irq_state(ras_core, true); 65 } 66 67 return 0; 68 } 69 70 int ras_nbio_hw_fini(struct ras_core_context *ras_core) 71 { 72 struct ras_nbio *nbio = &ras_core->ras_nbio; 73 74 if (nbio->sys_func) { 75 if (nbio->sys_func->set_ras_controller_irq_state) 76 nbio->sys_func->set_ras_controller_irq_state(ras_core, false); 77 if (nbio->sys_func->set_ras_err_event_athub_irq_state) 78 nbio->sys_func->set_ras_err_event_athub_irq_state(ras_core, false); 79 } 80 81 return 0; 82 } 83 84 bool ras_nbio_handle_irq_error(struct ras_core_context *ras_core, void *data) 85 { 86 struct ras_nbio *nbio = &ras_core->ras_nbio; 87 88 if (nbio->ip_func) { 89 if (nbio->ip_func->handle_ras_controller_intr_no_bifring) 90 nbio->ip_func->handle_ras_controller_intr_no_bifring(ras_core); 91 if (nbio->ip_func->handle_ras_err_event_athub_intr_no_bifring) 92 nbio->ip_func->handle_ras_err_event_athub_intr_no_bifring(ras_core); 93 } 94 95 return true; 96 } 97