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mmc: zynq_sdhci: Add support and quirk for HS400

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Add support for HS400 in mode2timing array.
Add a quirk for Versal NET platform to indicate that HS400 is supported
through bit63 of capability register.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com>
This commit is contained in:
Ashok Reddy Soma 2023-01-10 04:31:24 -07:00 committed by Jaehoon Chung
parent 386f5d3673
commit a1f8abf468
1 changed files with 5 additions and 0 deletions
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5
drivers/mmc/zynq_sdhci.c
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@ -153,6 +153,7 @@ static const u8 mode2timing[] = {
[UHS_DDR50] = MMC_TIMING_UHS_DDR50,
[UHS_SDR104] = MMC_TIMING_UHS_SDR104,
[MMC_HS_200] = MMC_TIMING_MMC_HS200,
[MMC_HS_400] = MMC_TIMING_MMC_HS400,
};
#if defined(CONFIG_ARCH_VERSAL_NET)
@ -1133,6 +1134,10 @@ static int arasan_sdhci_probe(struct udevice *dev)
if (priv->no_1p8)
host->quirks |= SDHCI_QUIRK_NO_1_8_V;
if (CONFIG_IS_ENABLED(ARCH_VERSAL_NET) &&
device_is_compatible(dev, "xlnx,versal-net-5.1-emmc"))
host->quirks |= SDHCI_QUIRK_CAPS_BIT63_FOR_HS400;
plat->cfg.f_max = CONFIG_ZYNQ_SDHCI_MAX_FREQ;
ret = mmc_of_parse(dev, &plat->cfg);