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@@ -557,7 +557,7 @@ static const struct mmc_ops sdhci_ops = {
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int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host,
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u32 f_max, u32 f_min)
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{
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- u32 caps, caps_1;
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+ u32 caps, caps_1 = 0;
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caps = sdhci_readl(host, SDHCI_CAPABILITIES);
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@@ -638,6 +638,32 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host,
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cfg->host_caps &= ~MMC_MODE_HS_52MHz;
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}
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+ if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300)
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+ caps_1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
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+
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+ if (!(cfg->voltages & MMC_VDD_165_195) ||
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+ (host->quirks & SDHCI_QUIRK_NO_1_8_V))
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+ caps_1 &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 |
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+ SDHCI_SUPPORT_DDR50);
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+
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+ if (caps_1 & (SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 |
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+ SDHCI_SUPPORT_DDR50))
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+ cfg->host_caps |= MMC_CAP(UHS_SDR12) | MMC_CAP(UHS_SDR25);
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+
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+ if (caps_1 & SDHCI_SUPPORT_SDR104) {
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+ cfg->host_caps |= MMC_CAP(UHS_SDR104) | MMC_CAP(UHS_SDR50);
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+ /*
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+ * SD3.0: SDR104 is supported so (for eMMC) the caps2
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+ * field can be promoted to support HS200.
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+ */
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+ cfg->host_caps |= MMC_CAP(MMC_HS_200);
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+ } else if (caps_1 & SDHCI_SUPPORT_SDR50) {
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+ cfg->host_caps |= MMC_CAP(UHS_SDR50);
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+ }
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+
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+ if (caps_1 & SDHCI_SUPPORT_DDR50)
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+ cfg->host_caps |= MMC_CAP(UHS_DDR50);
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+
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if (host->host_caps)
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cfg->host_caps |= host->host_caps;
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