how to porting the Renesas USB3.0 Controller upd720201

[tomgao]

I am us the Renesas USB3.0 Controller upd720201 but it always note me " xhci_hcd 0000:01:00.0: xHCI Host Controller xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1 xhci_hcd 0000:01:00.0: xHCI capability registers at c09a4000: xhci_hcd 0000:01:00.0: CAPLENGTH AND HCIVERSION 0x0: xhci_hcd 0000:01:00.0: CAPLENGTH: 0x0 xhci_hcd 0000:01:00.0: HCIVERSION: 0x0 xhci_hcd 0000:01:00.0: HCSPARAMS 1: 0x0 xhci_hcd 0000:01:00.0: Max device slots: 0 xhci_hcd 0000:01:00.0: Max interrupters: 0 xhci_hcd 0000:01:00.0: Max ports: 0 xhci_hcd 0000:01:00.0: HCSPARAMS 2: 0x0 xhci_hcd 0000:01:00.0: Isoc scheduling threshold: 0 xhci_hcd 0000:01:00.0: Maximum allowed segments in event ring: 0 xhci_hcd 0000:01:00.0: HCSPARAMS 3 0x0: xhci_hcd 0000:01:00.0: Worst case U1 device exit latency: 0 xhci_hcd 0000:01:00.0: Worst case U2 device exit latency: 0 xhci_hcd 0000:01:00.0: HCC PARAMS 0x0: xhci_hcd 0000:01:00.0: HC generates 32 bit addresses xhci_hcd 0000:01:00.0: FIXME: more HCCPARAMS debugging xhci_hcd 0000:01:00.0: RTSOFF 0x0: xhci_hcd 0000:01:00.0: xHCI operational registers at c09a4000: xhci_hcd 0000:01:00.0: USBCMD 0x0: xhci_hcd 0000:01:00.0: HC is being stopped xhci_hcd 0000:01:00.0: HC has finished hard reset xhci_hcd 0000:01:00.0: Event Interrupts disabled xhci_hcd 0000:01:00.0: Host System Error Interrupts disabled xhci_hcd 0000:01:00.0: HC has finished light reset xhci_hcd 0000:01:00.0: USBSTS 0x0: xhci_hcd 0000:01:00.0: Event ring is empty xhci_hcd 0000:01:00.0: No Host System Error xhci_hcd 0000:01:00.0: HC is running xhci_hcd 0000:01:00.0: // Halt the HC xhci_hcd 0000:01:00.0: Host not halted after 16000 microseconds.（看上去好像是芯片没有响应linux给的命令） xhci_hcd 0000:01:00.0: can't test setup: -110 xhci_hcd 0000:01:00.0: USB bus 1 deregistered xhci_hcd 0000:01:00.0: init 0000:01:00.0 fail, -110 xhci_hcd: probe of 0000:01:00.0 failed with error -110 usbcore: registered new interface driver usb-storage 2184800.usbmisc supply vbus-wakeup not found, using dummy regulator ci_hdrc ci_hdrc.1: doesn't support gadget ci_hdrc ci_hdrc.1: EHCI Host Controller could you explain the steps of how to porting ?

[igorpadykov]

Hi tom

is it working on PC computer. Porting guidelines usually are provided by

chip vendor. Probably one can try to ask for updated driver from renesas.

Best regards
igor
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[tomgao]

it is work OK on the PC . SO ,I think may be it is the problem of IMX