From: Ryan Eatmon <reatmon@ti.com>
To: Vibhore Vardhan <vibhore@ti.com>, Kamlesh Gurudasani <kamlesh@ti.com>
Cc: "Bajjuri, Praneeth" <praneeth@ti.com>, <vigneshr@ti.com>,
<u-kumar1@ti.com>, <afd@ti.com>, <m-chawdhry@ti.com>,
<denys@konsulko.com>, <meta-ti@lists.yoctoproject.org>,
<vishalm@ti.com>
Subject: Re: [PATCH] optee-os: Enable OP-TEE TRNG in AM62X
Date: Tue, 7 Nov 2023 13:34:56 -0600 [thread overview]
Message-ID: <f7858798-40da-4db6-a7b2-33b32df3d392@ti.com> (raw)
In-Reply-To: <20231107095249.u3j5ncwrg2egczal@ult0866455>
On 11/7/2023 3:52 AM, Vibhore Vardhan wrote:
> On 13:45-20231107, Kamlesh Gurudasani wrote:
> Hi Kamlesh,
>
>> "Bajjuri, Praneeth" <praneeth@ti.com> writes:
>>
>> ...
>>>> ---
>>>> meta-ti-bsp/recipes-security/optee/optee-os-ti.inc | 2 +-
>>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>>
>>>> diff --git a/meta-ti-bsp/recipes-security/optee/optee-os-ti.inc b/meta-ti-bsp/recipes-security/optee/optee-os-ti.inc
>>>> index 91b66a36..d1c15cb2 100644
>>>> --- a/meta-ti-bsp/recipes-security/optee/optee-os-ti.inc
>>>> +++ b/meta-ti-bsp/recipes-security/optee/optee-os-ti.inc
>>>> @@ -6,7 +6,7 @@ inherit ti-secdev
>>>>
>>>> EXTRA_OEMAKE:append:k3 = "${@ ' CFG_CONSOLE_UART='+ d.getVar('OPTEE_K3_USART') if d.getVar('OPTEE_K3_USART') else ''}"
>>>>
>>>> -EXTRA_OEMAKE:append:am62xx = " CFG_WITH_SOFTWARE_PRNG=y CFG_TEE_CORE_LOG_LEVEL=1"
>>>> +EXTRA_OEMAKE:append:am62xx = " CFG_TEE_CORE_LOG_LEVEL=1"
>>>> EXTRA_OEMAKE:append:am62pxx = " CFG_WITH_SOFTWARE_PRNG=y CFG_TEE_CORE_LOG_LEVEL=1"
>>>
>>> How about doing the same for am62p ?
>> @vibhore, Considering instabilities with AM62a, let me know if I should
>> enable it for AM62p. Will send v2 accordingly.
When you send the V2 series, can you base the commit off of the
kirkstone-wip branch. I have applied some changes to the file you are
changing above (renamed it in this case) so your patch would not apply
currently. Thanks.
> As discussed offline, the instabilities we are seeing on AM62a are only
> after a Deep Sleep cycle. The system is stable unless LPM is tried.
> Also, AM62p does not have Deep Sleep support. So, I do not have any
> objections to having TRNG support enabled for AM62p.
>
> Regards,
> Vibhore
--
Ryan Eatmon reatmon@ti.com
-----------------------------------------
Texas Instruments, Inc. - LCPD - MGTS
prev parent reply other threads:[~2023-11-07 19:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-06 11:25 [PATCH] optee-os: Enable OP-TEE TRNG in AM62X Kamlesh Gurudasani
2023-11-06 15:04 ` Bajjuri, Praneeth
2023-11-07 8:15 ` Kamlesh Gurudasani
2023-11-07 9:52 ` Vibhore Vardhan
2023-11-07 19:34 ` Ryan Eatmon [this message]
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