[coreboot] [PATCH] wip - suspend/resume for AMD famF revF CPUs (socket AM2)

[Rudolf Marek]

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Hello all,

This patch is a WIP patch to get working S3 on AM2 boards. Currently it works on
 M2V-MX SE. The resume code does only the ram init right. No code which
saves/restores mem is there. It is not yet usable.

I needed to implement DQS timming save restore. I use NVRAM in K8M890 for this.
The SB600 has also such NVRAM.

There is quite strange errata for mine CPU, so the exit self refresh code is
strange.

Rudolf

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