On Jan 15, 2006, at 1:15 AM, Olof Johansson wrote: > On Sat, Jan 14, 2006 at 03:47:54PM -0800, Eugene Surovegin wrote: >> On Sat, Jan 14, 2006 at 01:21:58PM -0600, Olof Johansson wrote: >>>> + >>>> +static phys_addr_t immrbase = -1; >>> >>> What does immr mean? Maybe a short comment would be good. >> >> IMHO, this is not needed because _everybody_ who is working >> with these chips know what IMMR means. And there cannot be _any_ >> confusion about it. Let's not add useless comments. > > I haven't been exposed much yet to embedded 32-bit PPC, I thought at > first that it was something chip-specific, not an architected feature > common across the families. I agree, it doesn't really need further > explanation in this case.
To be clear its a system level architecture feature on Freescale SOCs. It goes by a few different names (immrbar, ccsrbar, eumbar), but the purpose is the same. - kumar