sdhci_fsl_fdt: add support for LS1088A

[bz]

Summary

Add the SoC specific data structure make sdhci work on the LS1088A.
It is currently unclear whether the SDHCI_FSL_TUNING_ERRATUM_TYPE2
errata setting is actually needed.

MFC after: 14 days

[manu]

What does it do if you don't use SDHCI_FSL_TUNING_ERRATUM_TYPE2 ?

[bz]

In D43461#991392, @manu wrote:

What does it do if you don't use SDHCI_FSL_TUNING_ERRATUM_TYPE2 ?

I'll try at some point but currently I am trying to make sure HS200 is stable.

[bz]

As another note:

• removing the last quirk seems to make not change at hs200
• With either I still cannot get it stable on a 2nd board; create a GPT scheme; reboot and have MBR; sometimes I/O errors, sometime CORRUPT GPT on the disk-XXXXX but not on the sdda0. Not sure as to how-much this is sdhci_fsl or MMCCAM at this point but I'll keep looking.

Wish the NXP LS1088A errata was public.

[manu]

In D43461#992623, @bz wrote:

As another note:

• removing the last quirk seems to make not change at hs200
• With either I still cannot get it stable on a 2nd board; create a GPT scheme; reboot and have MBR; sometimes I/O errors, sometime CORRUPT GPT on the disk-XXXXX but not on the sdda0. Not sure as to how-much this is sdhci_fsl or MMCCAM at this point but I'll keep looking.

Easy to test with GENERIC

Wish the NXP LS1088A errata was public.

[bz]

I cannot get this stable even with mmc(4) GENERIC (no MMCCAM).
Starts to make me wonder if the clocks are right ... but I cross-checked those again to the LS1088ARM.pdf (still not updated).

sys/dev/sdhci/sdhci_fsl_fdt.c

241

That is not needed without SDHCI_FSL_MISSING_VCCQ_REG.