[sdcard upgrade] How can I upgrade nand from sdcard boot

[BenSu]

Hi NXP guys,

I'm using i.MX6ULL with nand flash.

I have a question about upgrade from sdcard boot.

Since I boot from sdcard, how can I upgrade the nand?

I'm concerning about:

1. How can I build the upgrade image for nand? Is the wic image that I built with nand u-boot configure?

2. How can I upgrade nand since I boot from sdcard?

BR

Ben

[joanxie]

pls refer to the document as below:

"https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/How-To-use-NAND-boot-on-i-MX6UL-EVK-boar..."

[BenSu]

Hi joanxie,

It seems that you have misunderstood my question.

I'm querying the sdcard upgrade.

Since now I find a way to upgrade nand flash data as the uuu.auto does.

But unfortunately, after I flash the uboot partition with "kobs-ng init $pad -v --chip_0_device_path=/dev/mtd${nandboot} xxx", the device can not boot up.

Is there anything that I missed?

BR

Ben

[joanxie]

 since your information is limited, I suggested that you can refer to the user guide about how to support NAND

[BenSu · Accepted solution]

Thanks guy,

I've find the solution.

Just refer to the uuu.auto script and follow its step, that's a way to upgrade firmware in flash.

The key point is: we must use kobs-ng to upgrade the boot, and take attention to the flag '-x'.

BR

Ben