1 /* 2 * Copyright (c) 2020-2022, MediaTek Inc. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <common/debug.h> 8 #include <common/runtime_svc.h> 9 #include <mt_dp.h> 10 #include <mt_spm.h> 11 #include <mt_spm_vcorefs.h> 12 #include <mtk_apusys.h> 13 #include <mtk_sip_svc.h> 14 #include <plat_dfd.h> 15 #include "plat_sip_calls.h" 16 17 uintptr_t mediatek_plat_sip_handler(uint32_t smc_fid, 18 u_register_t x1, 19 u_register_t x2, 20 u_register_t x3, 21 u_register_t x4, 22 void *cookie, 23 void *handle, 24 u_register_t flags) 25 { 26 int32_t ret; 27 uint32_t ret_val; 28 29 switch (smc_fid) { 30 case MTK_SIP_DP_CONTROL_AARCH32: 31 case MTK_SIP_DP_CONTROL_AARCH64: 32 ret = dp_secure_handler(x1, x2, &ret_val); 33 SMC_RET2(handle, ret, ret_val); 34 break; 35 case MTK_SIP_VCORE_CONTROL_AARCH32: 36 case MTK_SIP_VCORE_CONTROL_AARCH64: 37 ret = spm_vcorefs_v2_args(x1, x2, x3, &x4); 38 SMC_RET2(handle, ret, x4); 39 break; 40 case MTK_SIP_KERNEL_DFD_AARCH32: 41 case MTK_SIP_KERNEL_DFD_AARCH64: 42 ret = dfd_smc_dispatcher(x1, x2, x3, x4); 43 SMC_RET1(handle, ret); 44 break; 45 case MTK_SIP_APUSYS_CONTROL_AARCH32: 46 case MTK_SIP_APUSYS_CONTROL_AARCH64: 47 ret = apusys_kernel_ctrl(x1, x2, x3, x4, &ret_val); 48 SMC_RET2(handle, ret, ret_val); 49 break; 50 default: 51 ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid); 52 break; 53 } 54 55 SMC_RET1(handle, SMC_UNK); 56 } 57