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aniello.matrone
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Registered: ‎01-13-2016

Zynq-7000 SDIO Controller in Standard Speed Mode

 

 

Hi all,

 

I'm using a board equipped with a Zynq 7020 and a eMMC from Micron, and I have developed a bare metal application using the XSDK and its BSP with xilffs v.3.5 library.

Unfortunately, this library and related low level driver set the SDIO controller in High Speed Mode (HSM) although Xilinx recommends to use Standard Speed Mode (see AR# 59999), in fact I have experimented some fault on eMMC.

So my question is:

Does anybody know how to set the SDIO controller in SSM using xilffs library?

 

Thanks in advance

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