[coreboot] [PATCH] KT890 autosetup LDT speeds from AMD NB

[Rudolf Marek]

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Hello,

Following experimental patch will setup KT890 HT automatically. It will find the
max width of the link and also it will take the frequency of HT "setuped"
already by coreboot (and checks if t can run on it).

Uwe, this should fix your board.

Johnatan, I also moved fidvid code setup after the HT setup. I think the reboot
froze because the HT link was not setup right and fidvid code caused HT link
disconnect sequence effectively loading garbage as HT settings (and only
sometimes ;) Please test and let me know what you think about it.

to all: I think you can check it without a datasheet because the code is pretty
straightforward. The code is still beta, but it at least works for me.

Thanks and good night,

Rudolf


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