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Initialisation of PSRAM wont work with the higher clock speed, if I set it to a higher speed manually later it will work though. I use PSRAM that supports the higher clock speed according to its spec sheet.

What code has to be in RAM? The whole littlefs driver code or just the eeprom code?

I thought so but couldn't find any documentation about it really, maybe I was just blind. Thank you for helping Seems like I have to change my plans :) I wanted to have a bootloader that is able to load ELF files from a littlefs filesystem on the flash, and have the bootloader reside completly...

Is there any way to have all my .text sections in Flash, so execute everything from flash and still be able to use LittleFS_Program? I modified the linker script to store everything on flash and run everything from there and it works fine. But when i want to initialize LittleFS the teensy just...

Not exactly an accessory board but a micromod with the ability to add PSRAM would be more than awesome!

Flushing the cache absolutely did it :-) Thank you very much!

So I just published the code on GitHub: https://github.com/birdboat00/ozon It uses PlatformIO. The important code is starting at https://github.com/birdboat00/ozon/blob/5d8cbaf6703952ae41c94bb5ccac7d663783348c/src/main.cpp#L67 (calling the loader and executing the entry) and...

Thats extactly what i am doing, and that doesnt work :( I will post the codebase later today

Yes I will post code as soon as I have access to my computer again. I will look at it. I already removed the NOEXEC flag but I still get the Instruction Access Violation fault.

Hello, I am currently in the process of writing a little "OS" for the Teensy 4.1. I am trying to load ELF files at runtime and execute the code contained in the .text section of the elf. As far as i can tell (without a debugger) all code is properly loaded. I removed the NOEXEC flag in the MPU...