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 <mtk_apusys.h>
10 #include <mtk_sip_svc.h>
11 #include <mt_spm_vcorefs.h>
12 #include <plat_dfd.h>
13 #include "plat_sip_calls.h"
14
mediatek_plat_sip_handler(uint32_t smc_fid,u_register_t x1,u_register_t x2,u_register_t x3,u_register_t x4,void * cookie,void * handle,u_register_t flags)15 uintptr_t mediatek_plat_sip_handler(uint32_t smc_fid,
16 u_register_t x1,
17 u_register_t x2,
18 u_register_t x3,
19 u_register_t x4,
20 void *cookie,
21 void *handle,
22 u_register_t flags)
23 {
24 uint64_t ret;
25 uint32_t rnd_val0 = 0U;
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_APUSYS_CONTROL_AARCH32:
34 case MTK_SIP_APUSYS_CONTROL_AARCH64:
35 ret = apusys_kernel_ctrl(x1, x2, x3, x4, &rnd_val0);
36 SMC_RET2(handle, ret, rnd_val0);
37 break;
38 case MTK_SIP_KERNEL_DFD_AARCH32:
39 case MTK_SIP_KERNEL_DFD_AARCH64:
40 ret = dfd_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