MCU unable to connect uart

Basic Information:

Printer Model: ender 3 pro
MCU / Printerboard: skr3 and pi4
klippy.log attached

… so ive been trying to set up my ender 3 with a skr3 board and a raspi4 with uart connectivity. when i use the kiahu to get mcu id it finds two AMA0 and S0 nether one of these when put into the printer config file work ive done the all the other edits to the config.txt and the cmdline.txt but when i bring up mainsail and go to connect i still get the mcu
unable to connect. idk what im missing or doing wrong. ive uploaded the klippy log in hopes itll show someone whats going on. thanks for any help yall may have.

klippy.log.txt (354.0 KB)

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