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Compute Module • CM4 VL805 interface issue

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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 - Seems like its detected

Code:

[    1.134507] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:[    1.134547] brcm-pcie fd500000.pcie:   No bus range found for /scb/pcie@7d500000, using [bus 00-ff][    1.134594] brcm-pcie fd500000.pcie:      MEM 0x0600000000..0x063fffffff -> 0x00c0000000[    1.134631] brcm-pcie fd500000.pcie:   IB MEM 0x0000000000..0x007fffffff -> 0x0400000000[    1.135958] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00[    1.140125] pci_bus 0000:01: supply vpcie3v3 not found, using dummy regulator[    1.140318] pci_bus 0000:01: supply vpcie3v3aux not found, using dummy regulator[    1.140373] pci_bus 0000:01: supply vpcie12v not found, using dummy regulator[    1.249814] brcm-pcie fd500000.pcie: link up, 5.0 GT/s PCIe x1 (SSC)[    1.260326] pcieport 0000:00:00.0: enabling device (0000 -> 0002)[    1.260531] pcieport 0000:00:00.0: PME: Signaling with IRQ 27[    1.260930] pcieport 0000:00:00.0: AER: enabled with IRQ 27[    1.261171] brcm-pcie fd500000.pcie: clkreq control enabled
lspci

Code:

01:00.0 USB controller: VIA Technologies, Inc. VL805/806 xHCI USB 3.0 Controller (rev 01)

Code:

[    1.483003] xhci_hcd 0000:01:00.0: enabling device (0000 -> 0002)[    1.483063] xhci_hcd 0000:01:00.0: xHCI Host Controller[    1.483089] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1[   20.383310] xhci_hcd 0000:01:00.0: can't setup: -110[   20.383344] xhci_hcd 0000:01:00.0: USB bus 1 deregistered[   20.383370] xhci_hcd 0000:01:00.0: init 0000:01:00.0 fail, -110[   20.383390] xhci_hcd: probe of 0000:01:00.0 failed with error -110
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]
'lsusb' yields nothing.
Is there anything that i am missing again(obviously yes, but still)

Statistics: Posted by akurhade — Tue Aug 13, 2024 6:58 pm



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