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rtemsbsd/arasan_sdhci: Improve board/eMMC compat

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This improves the compatibility of this driver across board and memory
variants by avoiding use of the HISPD mode.
This commit is contained in:
Kinsey Moore 2022-09-26 16:45:40 -05:00 committed by Joel Sherrill
parent cf8fa08015
commit f462c4de5f
1 changed files with 7 additions and 0 deletions
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7
rtemsbsd/sys/dev/sdhci/arasan_sdhci.c
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@ -279,6 +279,13 @@ arasan_sdhci_attach(device_t dev)
goto fail; goto fail;
} }
/*
* There are some combinations of board routing and eMMC memory that are
* not compatible with the HISPD mode. This disables HISPD mode for
* compatibility.
*/
sc->slot.quirks |= SDHCI_QUIRK_DONT_SET_HISPD_BIT;
/* /*
* DMA is not really broken, it just isn't implemented yet. * DMA is not really broken, it just isn't implemented yet.
*/ */