topic MIMXRT1040-EVK Download code to SDRAM in i.MX Processors

MIMXRT1040-EVK Download code to SDRAM

tbonkers — Wed, 29 Nov 2023 16:00:02 GMT

I've been trying to run the evkmimxrt1040_lvgl_demo_benchmark example from RAM. I set Project Properties->C/C++ Build/Settings/Managed Linker Script "Link application to RAM" option, delete the Flash memory from the Memory tab, and move SDRAM to position 1. Project builds OK:

Memory region Used Size Region Size %age Used
BOARD_SDRAM: 1032764 B 30 MB 3.28%
SRAM_OC: 0 GB 256 KB 0.00%
NCACHE_REGION: 32 B 2 MB 0.00%
SRAM_DTC: 0 GB 128 KB 0.00%
SRAM_ITC: 0 GB 128 KB 0.00%

Attempting to debug with JLink fails:

I am attaching the JLink GDB server log.

My aim is to be able to download and debug directly from RAM. Is there something I am missing?

Re: MIMXRT1040-EVK Download code to SDRAM

tbonkers — Thu, 30 Nov 2023 09:49:04 GMT

Update: Plain load image to BOARD_SDRAM results in the same error as in the previous post.

回复： MIMXRT1040-EVK Download code to SDRAM

Gavin_Jia — Tue, 05 Dec 2023 09:41:03 GMT

Hi @tbonkers ,

Hope you are doing well!

There are three steps that are necessary:

1. Set "Link application to RAM" option；

2. move SDRAM to position 1；

3. Replace the connection script；

Please consult this link to modify your script: https://community.nxp.com/t5/Blog/Overview-of-using-the-MIMXRT1050-EVK-B-with-MCUXpresso-IDE/ba-p/1131013

The reference is RT1050_SDRAM_Init.scp.zip

Best regards，

Gavin