This is the mail archive of the ecos-discuss@sources.redhat.com mailing list for the eCos project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Memory Mapped register access in 80321


>>>>> normanlaose  writes:

> I am new to Redboot and I am writting a Redboot driver 
> running on Intel 80321 processor. I have to access the 
> Memory Mapped register located inside the CPU from 
> the range FFFF F350 to FFFF F6B4. The document says that 
> these address are "Internal Bus Address".

> Can I can access these address directly or should I convert
> them to something like virtual address to access them ?.

> If any conversion is required, can you please let me know 
> how to convert the address.

> Thanks for the help in advance.

Those memory mapped registers may be accessed using the
documented addresses directly.

--Mark

-- 
Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
and search the list archive: http://sources.redhat.com/ml/ecos-discuss


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]