Re: Using firmware interface to write configuration blob to MMR space

[Murali Karicheri]

On 08/25/2015 02:52 PM, Murali Karicheri wrote:
> All,
>
> One of our SoC integrates a hardware block from a hardware vendor. The
> vendor has provided a configuration blob that is used to customize the
> hardware block for a specific application. This configuration blob is to
> be written to the MMR space to customize the hardware. The vendor is not
> willing to provide details of the registers. So I am wondering if I
> could use the firmware API (request_firmware) to copy the blob to the
> kernel space so that driver could write these values to the MMR space.
> Is this an acceptable way of using the firmware interface? My research
> so far doesn't see the interface used this way and looking for your
> expert opinion.


--
Murali Karicheri
Linux Kernel, Keystone
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