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 <mtk_apusys.h> 10 #include <mtk_sip_svc.h> 11 #include <mt_spm_vcorefs.h> 12 #include "plat_sip_calls.h" 13 14 uintptr_t mediatek_plat_sip_handler(uint32_t smc_fid, 15 u_register_t x1, 16 u_register_t x2, 17 u_register_t x3, 18 u_register_t x4, 19 void *cookie, 20 void *handle, 21 u_register_t flags) 22 { 23 uint64_t ret; 24 uint32_t rnd_val0 = 0U; 25 26 switch (smc_fid) { 27 case MTK_SIP_VCORE_CONTROL_ARCH32: 28 case MTK_SIP_VCORE_CONTROL_ARCH64: 29 ret = spm_vcorefs_args(x1, x2, x3, (uint64_t *)&x4); 30 SMC_RET2(handle, ret, x4); 31 break; 32 case MTK_SIP_APUSYS_CONTROL_AARCH32: 33 case MTK_SIP_APUSYS_CONTROL_AARCH64: 34 ret = apusys_kernel_ctrl(x1, x2, x3, x4, &rnd_val0); 35 SMC_RET2(handle, ret, rnd_val0); 36 break; 37 default: 38 ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid); 39 break; 40 } 41 42 SMC_RET1(handle, SMC_UNK); 43 } 44