[PATCH] ARM: BCM: Restrict Broadcom BCM470X / BCM5301X to non-LPAE
Gregory Fong
gregory.0xf0 at gmail.com
Wed Jul 15 13:58:15 PDT 2015
On Wed, Jul 15, 2015 at 1:41 PM, Arnd Bergmann <arnd at arndb.de> wrote:
> On Wednesday 15 July 2015 09:38:52 Florian Fainelli wrote:
>>
>> I like the idea in general, but I think this is going to be a very
>> tedious job to collect every single CR values for ARMv7 processors to
>> determine whether they are pure v7 or v7e... Maybe we could use
>> kernelci.org to start extracting the relevant lines in bootlogs and
>> people can start adding their own chips one by one?
>
> No, we know most of them:
>
> Cortex-A5, A8, A9: ARMv7, no LPAE, no IDIV
> Cortex-A7, A15, A12, A17: ARMv7VE, no LPAE, no IDIV
>
>
> Almost everyone uses the above cores unmodified.
>
> The ones I'm not 100% sure about are:
>
> [...]
> Broadcom Brahma-B15 (almost certainly ARMv7VE)
Confirmed, B15 is ARMv7VE.
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