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feat(mediatek): add SMC handler for EMI MPU

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EMI MPU will handle the SMC call from optee, so we need to add this
patch to support it.

Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Signed-off-by: jason-ch chen <Jason-ch.Chen@mediatek.com>
Change-Id: I22e128c4246814cbd5855f51a26e4e11ccfe3a6b
This commit is contained in:
Bo-Chen Chen 2022-12-06 15:22:33 +08:00 • committed by jason-ch chen
parent 621eaab5cc
commit c842cc0e5d
1 changed files with 12 additions and 1 deletions
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13
plat/mediatek/drivers/emi_mpu/emi_mpu_common.c
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@ -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
*/
@ -9,6 +9,7 @@
#include <lib/mmio.h>
#include <emi_mpu.h>
#include <lib/mtk_init/mtk_init.h>
#include <mtk_sip_svc.h>
#if ENABLE_EMI_MPU_SW_LOCK
static unsigned char region_lock_state[EMI_MPU_REGION_NUM];
@ -111,6 +112,16 @@ int emi_mpu_set_protection(struct emi_region_info_t *region_info)
return 0;
}
u_register_t mtk_emi_mpu_sip_handler(u_register_t x1, u_register_t x2,
u_register_t x3, u_register_t x4,
void *handle, struct smccc_res *smccc_ret)
{
/* TODO: implement emi mpu handler */
return 0;
}
DECLARE_SMC_HANDLER(MTK_SIP_TEE_MPU_PERM_SET, mtk_emi_mpu_sip_handler);
int emi_mpu_init(void)
{
INFO("[%s] emi mpu initialization\n", __func__);