1 /* 2 * Copyright (c) 2021-2022, 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 <lib/mmio.h> 10 #include <mt_msdc.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 uint64_t ret; 26 27 switch (smc_fid) { 28 case MTK_SIP_VCORE_CONTROL_AARCH32: 29 case MTK_SIP_VCORE_CONTROL_AARCH64: 30 ret = spm_vcorefs_args(x1, x2, x3, (uint64_t *)&x4); 31 SMC_RET2(handle, ret, x4); 32 break; 33 case MTK_SIP_KERNEL_DFD_AARCH32: 34 case MTK_SIP_KERNEL_DFD_AARCH64: 35 ret = dfd_smc_dispatcher(x1, x2, x3, x4); 36 SMC_RET1(handle, ret); 37 break; 38 case MTK_SIP_KERNEL_MSDC_AARCH32: 39 case MTK_SIP_KERNEL_MSDC_AARCH64: 40 ret = msdc_smc_dispatcher(x1, x2, x3, x4); 41 SMC_RET1(handle, ret); 42 break; 43 default: 44 ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid); 45 break; 46 } 47 48 SMC_RET1(handle, SMC_UNK); 49 } 50