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2169053_en-US

2169053_en-US

IMX6DL JTAG DDR3 Calibration and stress test UART problem

Hi,

I am using JLink Debugger to calibrate 2GB DDR3 on IMX6DL flyby routed. I am using UART 4 as my debug port. I created a single .JLink script(attached), in which I did:

1. created the ddr_init.inc script 

2.converted it to JLink script

3. added UART4 initialization (IOMUX settings for UART 4 , desabbled UART 1 , enabled UART4)

4.Load the ddr-test-uboot-jtag-mx6dl.elf

5.run

The script loads without any problems!

The problem is that I dont see anything on Uart4 console. If I  set the IOMUX to UART 1, I still dont see anything on my console. Attached is my script

Thanks,

Lt


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Last update:
‎11-21-2025 05:55 PM
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