TDA4VM: [TDA4VM]Can A72 in TDA4VM support ARMv8.1

Joe Shen

Expert 3715 points

Part Number: TDA4VM
Other Parts Discussed in Thread: TDA4VH

Hi Expert,

I ask this question on behalf of our customer. Can A72 in TDA4VM support ARMv8.1? Could you please help to check?

Regards

Joe

over 4 years ago

0 Richard Woodruff over 4 years ago

TI__Mastermind 23655 points

Hello Joe,

The Cortex-A72 bundle from ARM is an ARMv8.0 CPU. It does not support ARMv8.1 extensions. An A72 profile does have some configuration options like {ECC, FEQ size, Crypto, L2 size} but none of these options are part of 8.1 extensions.

Regards,

Richard W.

0 Joe Shen over 4 years ago in reply to Richard Woodruff

TI__Expert 3715 points

Hello Richard,

Thanks for your help.

How about TDA4VH? will it support ARMv8.1?

Regards

Joe

0 Richard Woodruff over 4 years ago in reply to Joe Shen

TI__Mastermind 23655 points

Hello Joe,

No. We would have to change the processor type to support a later architecture version.

Per ARM's website, it doesn't look like any of their standard cores are at the ARMv8.1 level. Some partners who modify the architecture like Apple used this profile. The next comparable class core which supports a higher level is the Cortex-A75 which supports ARMv8.2.

ARM has a white paper which maps versions to cores they support as standard:

https://developer.arm.com/architectures/learn-the-architecture/understanding-the-armv8-x-extensions

Regards,

Richard W.

0 Joe Shen over 4 years ago in reply to Richard Woodruff

TI__Expert 3715 points

Hello Richard,

Thanks for your help, It is clear.

Regards

Joe

Processors

Processors forum

TDA4VM: [TDA4VM]Can A72 in TDA4VM support ARMv8.1