On Thu, Feb 13, 2020 at 11:00:10 +0000, Pankaj Bansal wrote: > > You're talking about the ... bits that remain the same on migrating the > > processors from PPC to ARM? > > I am not sure if the concept of Chassis was there in PPC or not? > It's just the way the SOCs are designed. SOCs that are designed > around same chassis, reuse most of the components. > It cuts down on s/w development time, because most of the s/w can be > reused.
Sure, I'm just trying to determine whether this is something I sort of already understand (like QUICC -> PowerQUICC), or something more internal. > > > We have kept the code also in such a way. Which is why we have made > > > Soc Package part of Chassis Package. > > > > > > SocLib provides services to PlatformLib. ChassisLib provides services > > > to SocLib. > > > Which is why we have made SocGetMpCoreInfo as weak function and > > > implemented it in ChassisLib (Patch 11/19) This ensures that code can > > > be reused for all SOCs belonging to same chassis. > > > If any future SOC implements this feature in different way, then this > > > API can be overwritten in SocLib > > > > > > SOCs belonging to same Chassis share many same traits. > > > e.g. the SOC memory map is usually common for all SOCs belonging to > > > same Chassis. > > > > OK, this sounds valid. But one follow-up question: why add the hierarchy at > > all? > > From a (human) discoverability standpoint, if someone is looking for the > > code > > for a specific SoC, they will be looking for that SoC, not some abstraction > > of it. > > > > So I agree it makes sense that chassis are not kept under SoC, but I am > > asking if > > it would not make more sense to keep them on the same level? > > Any SoCs depending on Pcds defined by a specific chassis could access those > > by > > importing the package fr that chassis. > > Hmm. This can be done. We can make Silicon/NXP/Chassis2 and > Silicon/NXP/LS1043A. Sorry, I think I forgot to reply to this. Yes, this would be most excellent. Best Regards, Leif -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#54682): https://edk2.groups.io/g/devel/message/54682 Mute This Topic: https://groups.io/mt/71046338/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
