i.MX ProcessorsのトピックRe: i.MX7D: How to boot a u-boot image from RAM

i.MX7D: How to boot a u-boot image from RAM

tom_foy — Wed, 08 Apr 2020 00:24:03 GMT

I'd like to test a u-boot image from RAM on the i.MX7D, before I program it to Non-Volatile storage

My procedure is as follows:

- Use "loadb" to transfer the file u-boot.imx:

=> loadb 0x80800000

- Use kermit to send the file (works successfully)

- Run the new u-boot.imx image:

=> go 0x80800000

But the new image fails to boot and nothing is displayed on the console. I have run this process many times in the past on i.MX6 processors, but never on the i.MX7D.

I'm using both the Rocko & Warrior Yocto releases from NXP. I have tried the u-boot.bin image instead of the u-boot.imx --> no success.

Any help appreciated.

Re: i.MX7D: How to boot a u-boot image from RAM

weidong_sun — Wed, 08 Apr 2020 03:59:28 GMT

Hi Tom,

Now we released uuu tools for writing images to target board based on i.MX processors via USB OTG port. you can use uuu tool to do it.

Attachment is version 1.3.136, in it, there is uuu.exe and uuu.pdf ( how to use). If you want to get other version, you can check uuu.pdf, and get links for download.

Have a nice day!

B.R,

Weidong

Re: i.MX7D: How to boot a u-boot image from RAM

tom_foy — Wed, 08 Apr 2020 16:04:04 GMT

Thanks Weidong - that looks like the way to go on this.

Cheers!

Tom