[coreboot] patch: add Kconfig support for v3 north
marc.jones at amd.com
Fri Jan 25 19:21:26 CET 2008
Jordan Crouse wrote:
> On 25/01/08 11:08 -0700, Marc Jones wrote:
>> Peter Stuge wrote:
>>> On Fri, Jan 25, 2008 at 09:12:45AM -0800, ron minnich wrote:
>>>> Add Kconfig files for the northbridge. Currently we only need this
>>>> for the geodelx, so we can select nrv2b decompression.
>>> Why is nrv2b needed specifically for geodelx? The VSA blob? Should
>>> that not use the same compression as the payload, if the user chooses
>> At the time it seemed like the right way to handle the VSA binary
>> distribution. We posted a binary blob that would just work when cat'd
>> on to a Geode platform ROM. It was a painful to do by hand...
>> With the acceptance of buildrom and the new build configuration in v3,
>> it seems as though we should change. The user/buildtool will have to
>> handle the compression and padding to the correct size (don't need
>> padding in v3 w/lar).
> Hmm - probably the right move, but the changes in buildrom are not
> trivial for v2. We would need to figure out what the ROM size is (by greping
> Config.lb, probably), compress the VSA, calculate the difference and
> pad. Its not impossible, but there is lots that can go wrong if we
> are not careful.
We can probably get away with hard coding the pad size since the binary
won't change. It should still come out to 36K. I don't think you really
need to figure the ROM size. The config.lb for geodes will still have to
account the same way the do now.
Senior Firmware Engineer
(970) 226-9684 Office
mailto:Marc.Jones at amd.com
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