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How to access SD card in bare metal application at Zybo?


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According to the Zynq Technical Reference Manual (document ug585), the SD controller is compatible with SD Host Controller Specification 2.0. If you can find any bare metal SDHC driver, you should be able to use it. Raspberry PI has a SDHC-compatible controller, so there may be a bare metal driver available for it.

What is the motivation for using bare metal? Wouldn't it be easier to use Linux?

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