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feat(mediatek): add SiP service for OP-TEE

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Add SiP service for the SMC call from the secure world.

Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Signed-off-by: jason-ch chen <Jason-ch.Chen@mediatek.com>
Change-Id: I7a5cfaac5c46ea65be793c3d291e4332cc0b2e54
This commit is contained in:
Bo-Chen Chen 2022-12-06 15:20:31 +08:00 • committed by jason-ch chen
parent 1678bbb572
commit 621eaab5cc
3 changed files with 33 additions and 5 deletions
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29
plat/mediatek/common/mtk_smc_handlers.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2022, MediaTek Inc. All rights reserved.
* Copyright (c) 2022-2023, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -76,6 +76,7 @@
MTK_SIP_SMC_FROM_BL33_TABLE(SMC_ID_EXPAND_AS_DESCRIPTOR_INDEX);
MTK_SIP_SMC_FROM_NS_EL1_TABLE(SMC_ID_EXPAND_AS_DESCRIPTOR_INDEX);
MTK_SIP_SMC_FROM_S_EL1_TABLE(SMC_ID_EXPAND_AS_DESCRIPTOR_INDEX);
IMPORT_SYM(uintptr_t, __MTK_SMC_POOL_START__, MTK_SMC_POOL_START);
IMPORT_SYM(uintptr_t, __MTK_SMC_POOL_END_UNALIGNED__, MTK_SMC_POOL_END_UNALIGNED);
@ -134,6 +135,28 @@ static int mtk_smc_handler_init(void)
}
MTK_EARLY_PLAT_INIT(mtk_smc_handler_init);
/* This function handles Mediatek defined SiP Calls from Secure world */
static u_register_t mtk_smc_handler_sel1(uint32_t smc_id,
u_register_t x1,
u_register_t x2,
u_register_t x3,
u_register_t x4,
void *cookie,
void *handle,
u_register_t flags)
{
u_register_t ret = MTK_SIP_E_SUCCESS;
struct smccc_res smc_ret = {0};
switch (smc_id) {
MTK_SIP_SMC_FROM_S_EL1_TABLE(SMC_ID_EXPAND_AS_SMC_OPERATION);
default:
INFO("SEL1 SMC ID:0x%x not support\n", smc_id);
ret = SMC_UNK;
}
SMC_RET4(handle, ret, smc_ret.a1, smc_ret.a2, smc_ret.a3);
}
/* This function handles Mediatek defined SiP Calls from Bootloader */
static uintptr_t mtk_smc_handler_bl33(uint32_t smc_id,
u_register_t x1,
@ -209,8 +232,8 @@ static uintptr_t mtk_smc_handler(uint32_t smc_id,
if (!ns) {
/* SiP SMC service secure world's call */
INFO("Secure SMC ID:0x%x not supported\n", smc_id);
SMC_RET1(handle, ret);
return mtk_smc_handler_sel1(smc_num, x1, x2, x3, x4,
cookie, handle, flags);
}
if (is_from_bl33(smc_ori)) {
/* SiP SMC service secure bootloader's call */

5
plat/mediatek/include/mtk_sip_def.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2022, MediaTek Inc. All rights reserved.
* Copyright (c) 2022-2023, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -19,6 +19,9 @@
_func(MTK_SIP_DP_CONTROL, 0x523) \
_func(MTK_SIP_KERNEL_GIC_OP, 0x526)
#define MTK_SIP_SMC_FROM_S_EL1_TABLE(_func) \
_func(MTK_SIP_TEE_MPU_PERM_SET, 0x031)
#define MTK_SIP_SMC_FROM_BL33_TABLE(_func) \
_func(MTK_SIP_KERNEL_BOOT, 0x115)

4
plat/mediatek/include/mtk_sip_svc.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2022-2023, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -55,11 +55,13 @@
MTK_SIP_SMC_FROM_BL33_TABLE(SMC_ID_EXPAND_AS_EXTERN_SMC_INDEX);
MTK_SIP_SMC_FROM_NS_EL1_TABLE(SMC_ID_EXPAND_AS_EXTERN_SMC_INDEX);
MTK_SIP_SMC_FROM_S_EL1_TABLE(SMC_ID_EXPAND_AS_EXTERN_SMC_INDEX);
/* Expand SiP SMC ID table as enum */
enum {
MTK_SIP_SMC_FROM_BL33_TABLE(SMC_ID_EXPAND_AS_ENUM)
MTK_SIP_SMC_FROM_NS_EL1_TABLE(SMC_ID_EXPAND_AS_ENUM)
MTK_SIP_SMC_FROM_S_EL1_TABLE(SMC_ID_EXPAND_AS_ENUM)
MTK_SIP_SMC_MAX_NUMBER
};