xref: /rk3399_ARM-atf/plat/mediatek/mt8195/plat_sip_calls.c (revision 7eb42237575eb3f241c9b22efc5fe91368470aa6)
1938fd425SYidi Lin /*
2938fd425SYidi Lin  * Copyright (c) 2020, MediaTek Inc. All rights reserved.
3938fd425SYidi Lin  *
4938fd425SYidi Lin  * SPDX-License-Identifier: BSD-3-Clause
5938fd425SYidi Lin  */
6938fd425SYidi Lin 
7938fd425SYidi Lin #include <common/debug.h>
8938fd425SYidi Lin #include <common/runtime_svc.h>
9*7eb42237SRex-BC Chen #include <mt_dp.h>
10*7eb42237SRex-BC Chen #include <mtk_sip_svc.h>
11*7eb42237SRex-BC Chen #include "plat_sip_calls.h"
12938fd425SYidi Lin 
13938fd425SYidi Lin uintptr_t mediatek_plat_sip_handler(uint32_t smc_fid,
14938fd425SYidi Lin 				u_register_t x1,
15938fd425SYidi Lin 				u_register_t x2,
16938fd425SYidi Lin 				u_register_t x3,
17938fd425SYidi Lin 				u_register_t x4,
18938fd425SYidi Lin 				void *cookie,
19938fd425SYidi Lin 				void *handle,
20938fd425SYidi Lin 				u_register_t flags)
21938fd425SYidi Lin {
22*7eb42237SRex-BC Chen 	int32_t ret;
23*7eb42237SRex-BC Chen 	uint32_t ret_val;
24*7eb42237SRex-BC Chen 
25938fd425SYidi Lin 	switch (smc_fid) {
26*7eb42237SRex-BC Chen 	case MTK_SIP_DP_CONTROL_AARCH32:
27*7eb42237SRex-BC Chen 	case MTK_SIP_DP_CONTROL_AARCH64:
28*7eb42237SRex-BC Chen 		ret = dp_secure_handler(x1, x2, &ret_val);
29*7eb42237SRex-BC Chen 		SMC_RET2(handle, ret, ret_val);
30*7eb42237SRex-BC Chen 		break;
31938fd425SYidi Lin 	default:
32938fd425SYidi Lin 		ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
33938fd425SYidi Lin 		break;
34938fd425SYidi Lin 	}
35938fd425SYidi Lin 
36938fd425SYidi Lin 	SMC_RET1(handle, SMC_UNK);
37938fd425SYidi Lin }
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