Re: [PATCH 1/1] drivers/misc: Add Altera System ID driver

Arnd Bergmann
2013-03-05T21:59:43Z

On Tuesday 05 March 2013, Ley Foon Tan wrote:
> The sysid give the unique system ID and system generation timestamp of
> the system.
>
> CASE 1:
> SOCFPGA SoC + Sysid component in FPGA
>
> CASE 2
> Nios II soft core CPU + Sysid (All in FPGA and no SoC is involved)
>
> From example use cases above, Case 2 doesn't involve SoC component.
> To support both cases, do you think drivers/base/soc.c is still
> suitable?

Yes, I think so. I would consider the second case still a SoC, because
you have a single chip that contains the CPU and peripherals. From
the OS point of view, it does not matter that they are in an FPGA.

Arnd