cannot initilize RNG in TEE

jiankang — Tue, 21 Dec 2021 07:20:38 GMT

hello,

I'm working on imx8qm products.

after I enable OPTEE in my project.

TEE launch failed with RNG initialization error:

U-Boot SPL 2021.04 (Dec 17 2021 - 07:41:39 +0000)

Normal Boot

Trying to boot from MMC1

Booting from bootloader_a...

UE/TC:0 0 sc_rm_enable_jr:76 JK:: power on CAAM of jr index:0x3; jr_res:0x1f6; jr_out_res:0x204

E/TC:0 0 sc_seco_start_rng:102 Unable to start RNG or get RNG status

E/TC:0 0 sc_seco_start_rng:103 sc_error code is: 7

E/TC:0 0 caam_hal_rng_instantiated:20 RNG instantiation failed

E/TC:0 0 crypto_driver_init:56 caam_rng_init() (1)

E/TC:0 0 crypto_driver_init:172 CAAM Driver initialization (0xffff0000)

E/TC:0 0 Panic at core/drivers/crypto/caam/caam_ctrl.c:173 <crypto_driver_init>

E/TC:0 0 TEE load address @ 0xfe000000

E/TC:0 0 Call stack:

E/TC:0 0 0x00000000fe008f50

please help to check how can I fix this RNG initialization issue ?

thanks a lot.

Re: cannot initilize RNG in TEE

jimmychan — Thu, 30 Dec 2021 08:16:12 GMT

Could you tell me which version of BSP are you using?