[U-Boot] [PATCH] omap3: Variant and revision checks for ARM Cortex-A8 errata workarounds

Nishanth Menon
2015-02-24T23:02:12Z

On 02/24/2015 10:09 AM, Paul Kocialkowski wrote:
> Le mardi 24 f?vrier 2015 ? 09:22 -0600, Nishanth Menon a ?crit :
>> On Tue, Feb 24, 2015 at 6:02 AM, Paul Kocialkowski <contact@paulk.fr> wrote:
>>> Le lundi 23 f?vrier 2015 ? 16:43 -0600, Nishanth Menon a ?crit :
>>>> On Mon, Feb 23, 2015 at 4:21 PM, Tom Rini <trini@ti.com> wrote:
>>>>> On Mon, Feb 23, 2015 at 08:16:44PM +0100, Paul Kocialkowski wrote:
>>>>>
>>>>>> Not every version and revision of the Cortex-A8 ARM core requires the same
>>>>>> errata workarounds. In addition, enabling those requires to have similar
>>>>>> workarounds enabled in the kernel or it will cause numerous segmentation faults.
>>>>>>
>>>>>> This enables those workarounds when they are needed, according to what is done
>>>>>> in Linux.
>>>>>>
>>>>>> Follow-up to the discussion from July 2013:
>>>>>> http://lists.denx.de/pipermail/u-boot/2013-July/158377.html
>>>>>>
>>>>>> Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
>>>>>
>>>>> Nishanth, any comments here, since you've been thinking about errata
>>>>> stuff lately? Thanks!
>>>>>
>>>>> Reviewed-by: Tom Rini <trini@ti.com>
>>>>>
>>>>
>>>> I would probably go with v7 start code triggering the logic. even
>>>> though the secure logic is probably unique..
>>>
>>> It does seem like the secure logic is specific to the OMAP, even though
>>> the GP part (omap3_gp_romcode_call) seems to be generic.
>>>
>>> I don't think it would fit well in common v7 code and overall, I don't
>>> think I have sufficient knowledge of those issues to take the decision
>>> to move that code around.
>>>
>>> Hence, I'll keep my proposal to what it is now, and let someone else
>>> move the code around in the future if they feel the need to.
>>
>> Do you mind if i took a shot at it? would be great if you could test the same.
>
> Alright, please go ahead! I'm available to test any patch on my omap
> 3630 device.
>

Alright, the series should now include OMAP3 as well.. Sorry about
confusion when list blocked me for too many cc folks etc.. anyways..

https://patchwork.ozlabs.org/patch/443261/
https://patchwork.ozlabs.org/patch/443264/
https://patchwork.ozlabs.org/patch/443268/
https://patchwork.ozlabs.org/patch/443265/
https://patchwork.ozlabs.org/patch/443263/
https://patchwork.ozlabs.org/patch/443262/
https://patchwork.ozlabs.org/patch/443267/
https://patchwork.ozlabs.org/patch/443266/
https://patchwork.ozlabs.org/patch/443260/

--
Regards,
Nishanth Menon