It does work well with the imx defconfig though, it's been solid
there. Card detect gpio issues maybe?
Doubtful. What kind of card is it? Is it a uhs card?
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FTTC broadband for 0.8mile line: 5.8Mbps down 500kbps up. Estimation
in database were 13.1 to 19Mbit for a good line, about 7.5+ for a bad.
Estimate before purchase was "up to 13.2Mbit".