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Hi all,
How to configure gpio pins on Intel edison board for sd card interface. I have Brillo OS on the board. Am using Arduino Intel edison kit.
Regards,
Shreeharsha I
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Hello Shreeharsha,
If you have questions regarding Brillo OS I suggest you to visit https://developers.google.com/brillo/ Brillo | Google Developers. You might be able to find more accurate answers in there.
Peter.
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Hello Shreeharsha,
If you have questions regarding Brillo OS I suggest you to visit https://developers.google.com/brillo/ Brillo | Google Developers. You might be able to find more accurate answers in there.
Peter.
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Hi Peter,
Thanks for your reply.
Now I have yacto image running on my board. Edison hardware guide says pins 44,58,60,62,64,66,68,70 are multiplexed as both for GPIO and sd card interface. How to configure these pins for SDcard interface. Can it be done from u-boot prompt. I tried looking for mux.c file in ubootsource/boards/x86/edison but edison directory itself was not found. I downloaded u-boot for edison from following location https://github.com/01org/edison-u-boot GitHub - 01org/edison-u-boot.
Looking forward for your reply. Thanks in advance.
Regards,
Shreeharsha I
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The SD card pins are occupied by the SD card Linux driver.
If you want to use them, you have to recompile the Linux kernel without the SD driver first.
See this thread:
I reread your question. Do you actually want to connect an SD card to these pins? It should be configured already as there is an SD card on the Arduino board.
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Hi Vincenze,
If it is already configured then I dont see SD-card mounted /mnt/ . Can u please tell me how to access sdcard if its configured.
Thanks in advance.
Regards,
Shreeharsha I
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I think it should be mounted in /media as /media/sdcard.
You can check the log file from the command line and search for SD card messages in it:
journalctl --since=today

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