imx7dsabresd - Add support for QSPI

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imx7dsabresd - Add support for QSPI

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blessy_abraham
Contributor III

Hi, 
I am using imx7dsabresd board with linux version 4.14.98. I want to add QSPI support. All the hardware related changes are made as per the schematics. Could you please brief the steps i need to follow to enable QSPI in u-boot.    

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shivanipatel
Senior Contributor II

Hi, Blessy Abraham

I assume you are booting from SD Card and you want to detect QSPI from SD Card U-Boot. For this, you need to define CONFIG_SPI_FLASH_MACRONIX Macro in U-Boot defconfig.

Regards,

Shivani

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blessy_abraham
Contributor III

Hi Shivani, 
I could successfully probe the QSPI, there are few more Macros that need to be added, I compared with qspi1_defconfig. Could you please share the steps for flashing u-boot to QSPI?

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nxf46838
NXP TechSupport
NXP TechSupport

Hello,

 

Take a look to the i.MX Linux® User's Guide , section 4.7.4 Running the Linux OS image from QuadSPI.

 

Hope this helps,

Best regards,
Aldo.

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blessy_abraham
Contributor III

Hi Aldo, 
I haven't flashed the QSPI, i just want to know whether there is any settings that i need to change to enable the QSPI, as my sf probe command is giving me this error :
=> sf probe
SF: unrecognized JEDEC id bytes: 00, 00, 00
Failed to initialize SPI flash at 0:0

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