1 /* 2 * Copyright (c) 2020, 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_sip_svc.h> 13 #include <plat_dfd.h> 14 #include "plat_sip_calls.h" 15 16 uintptr_t mediatek_plat_sip_handler(uint32_t smc_fid, 17 u_register_t x1, 18 u_register_t x2, 19 u_register_t x3, 20 u_register_t x4, 21 void *cookie, 22 void *handle, 23 u_register_t flags) 24 { 25 int32_t ret; 26 uint32_t ret_val; 27 28 switch (smc_fid) { 29 case MTK_SIP_DP_CONTROL_AARCH32: 30 case MTK_SIP_DP_CONTROL_AARCH64: 31 ret = dp_secure_handler(x1, x2, &ret_val); 32 SMC_RET2(handle, ret, ret_val); 33 break; 34 case MTK_SIP_VCORE_CONTROL_ARCH32: 35 case MTK_SIP_VCORE_CONTROL_ARCH64: 36 ret = spm_vcorefs_v2_args(x1, x2, x3, &x4); 37 SMC_RET2(handle, ret, x4); 38 break; 39 case MTK_SIP_KERNEL_DFD_AARCH32: 40 case MTK_SIP_KERNEL_DFD_AARCH64: 41 ret = dfd_smc_dispatcher(x1, x2, x3, x4); 42 SMC_RET1(handle, ret); 43 break; 44 default: 45 ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid); 46 break; 47 } 48 49 SMC_RET1(handle, SMC_UNK); 50 } 51