[Milkymist-devel] Capabilities register

[Takeshi MATSUYA]

Hi, Sébastien

On 2010/03/21, at 8:03, Sébastien Bourdeauducq wrote:
> I saw you were struggling with getting the right peripherals detected by 
> Linux.
> 
> To do that cleanly, I have added a "capabilities" register to the system. 
> Register 0x38 from sysctl is now a bitmask that tells you what is inside the 
> currently loaded bitstream. The value of the register is automatically derived 
> from setup.v during synthesis. Bits are defined here:
> http://github.com/lekernel/milkymist/blob/master/software/include/hw/capabilities.h
> 
> Please use this for probing peripherals in Linux. I also think the "board" 
> kernel configuration option should be removed, better probe it at runtime 
> using the ID register from sysctl (0x3c).
> 
> Sébastien

It is a useful function. 

Thanks. :)

Takeshi