Issue with jump in secondary bootloader i.MXRT 1064

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Issue with jump in secondary bootloader i.MXRT 1064

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SABBK
Contributor I

Hi,

I am facing issue while jumping to application code.

I am using below logic:

SABBK_0-1655962256525.pngSABBK_1-1655962274480.png

But after executing above mentioned code, My code is going to some unknown state.

I need to know if I am doing something wrong?

1. Can some one help me out with this?

2. Is it possible to blink LED or give any indication in RESETISR() code? To know after jump if control is going to RESETISR() or not?

iMXRT1064 Problem with using UART in EVK - RT 1064 @jeremyzhou 

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3 Replies

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jeremyzhou
NXP Employee
NXP Employee

Hi,
Thank you for your interest in NXP Semiconductor products and for the opportunity to serve you.
According to your statement, it seems like you're testing the SBL with the RT1064, I was wondering if you can illustrate the steps you did, and further, share the UART terminal log.
Have a great day,
TIC

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SABBK
Contributor I

Thanks for the reply.

Steps:

1. Created a bootloader code (SBL) with section size definition of 512KB

2. Created a Application code with section size as 3584KB

3. Merged both the binaries using J-link and Flashed in board.

4. Checking for jump - after flashing.

5. Board is going to unknown state.

Above mentioned steps, I followed and checked jump functionality but it's not working.

Hope above mentioned info will help you to understand the procedure.

Kindly help/correct me if I am doing wrong.

 

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jeremyzhou
NXP Employee
NXP Employee

Hi,
Thanks for your reply.
I guess the issue is related to the above steps, please refer to the attachment to create a good SBL project
Have a great day,
TIC

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