After two previous failed attempts, made a CM4 carrier board with usb 3.0 based on the reference design. The component layout and traces have been untouched, i am still having issues making it work.
Power seems to be okay at all test points, the usb connector passes a load test
![Image]()
![Image]()
Layout-
![Image]()
dmesg | grep pcie -
![Image]()
Config File-'lsusb' yields nothing.
Is there anything that i am missing again(obviously yes, but still)
Power seems to be okay at all test points, the usb connector passes a load test


Layout-

dmesg | grep pcie -

Config File-
Code:
# For more options and information see# http://rptl.io/configtxt# Some settings may impact device functionality. See link above for details# Uncomment some or all of these to enable the optional hardware interfaces#dtparam=i2c_arm=on#dtparam=i2s=on#dtparam=spi=on# Enable audio (loads snd_bcm2835)dtparam=audio=on# Additional overlays and parameters are documented# /boot/firmware/overlays/README# Automatically load overlays for detected camerascamera_auto_detect=1# Automatically load overlays for detected DSI displaysdisplay_auto_detect=1# Automatically load initramfs files, if foundauto_initramfs=1# Enable DRM VC4 V3D driverdtoverlay=vc4-kms-v3dmax_framebuffers=2# Don't have the firmware create an initial video= setting in cmdline.txt.# Use the kernel's default instead.disable_fw_kms_setup=1# Run in 64-bit modearm_64bit=1# Disable compensation for displays with overscandisable_overscan=1# Run as fast as firmware / board allowsarm_boost=1#otg_mode=1[cm4]# Enable host mode on the 2711 built-in XHCI USB controller.# This line should be removed if the legacy DWC2 controller is required# (e.g. for USB device mode) or if USB support is not required.#otg_mode=1#dtoverlay=dwc2,dr_mode=hostVL805=1[cm5][all]
Is there anything that i am missing again(obviously yes, but still)
Statistics: Posted by akurhade — Tue Aug 13, 2024 6:58 pm