docs: intel fsp: add memory retraining bug on SPS systems
FSP2.0 forces MRC retraining on cold boot on Intel SPS systems. Change-Id: I3ce812309b46bdb580557916a775043fda63667f Signed-off-by: Michael Niewöhner <foss@mniewoehner.de> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36935 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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@ -31,7 +31,7 @@ Look at the [flashing tutorial] and the board-specific section.
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These issues apply to all boards. Have a look at the board-specific issues, too.
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- TianoCore doesn't work with Aspeed NGI, as it's text mode only (Fix is WIP CB:35726)
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- MRC caching does not work with cold boot
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- MRC caching does not work on cold boot with Intel SPS (see [Intel FSP2.0])
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## ToDo
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@ -34,6 +34,11 @@ those are fixed. If possible a workaround is described here as well.
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* Workaround: none
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* Issue on public tracker: [Issue 22]
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* MRC forces memory re-training on cold boot on boards with Intel SPS
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* Releases 3.7.1, 3.7.6
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* Workaround: Flash Intel ME instead of SPS
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* Issue on public tracker: [Issue 41]
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### BraswellFsp
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* Internal UART can't be disabled using PcdEnableHsuart*
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* Release MR2
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@ -66,4 +71,5 @@ those are fixed. If possible a workaround is described here as well.
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[Issue 15]: https://github.com/IntelFsp/FSP/issues/15
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[Issue 22]: https://github.com/IntelFsp/FSP/issues/22
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[Issue 35]: https://github.com/IntelFsp/FSP/issues/35
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[Issue 41]: https://github.com/IntelFsp/FSP/issues/41
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