Re: Freescale P1022 SoC hangs when initializing USB

[Anatolij Gustschin <agust@denx.de>]

On Fri, 24 May 2013 14:42:46 +0000
"Thumshirn, Johannes Tobias" <Johannes.Thumshirn@men.de> wrote:

> Hi list,
> 
> I'm experiencing problems while booting on a Freescale P1013 based board. It hangs on USB initialization:
> [    3.763584] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> [    3.770519] ehci-pci: EHCI PCI platform driver
> [    3.775116] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
> [    3.781972] fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host Controller
> [    3.788812] fsl-ehci fsl-ehci.0: new USB bus registered, assigned bus number 1
> 
> The corresponding device-tree:
> usb@22000 {
>                      #address-cells = <1>;
>                      #size-cells = <0>;
>                      compatible = "fsl-usb2-dr";
>                      reg = <0x22000 0x1000>;
>                      interrupt-parent = <&mpic>;
>                      interrupts = <28 0x2 0 0>;
>                      phy_type = "ulpi";
> };
> 
> usb@23000 {
>                       #address-cells = <1>;
>                       #size-cells = <0>;
>                       compatible = "fsl-usb2-dr";
>                       reg = <0x23000 0x1000>;
>                       interrupt-parent = <&mpic>;
>                       interrupts = <46 0x2 0 0>;
>                       phy_type = "ulpi";
> };

please change compatible property in both nodes to

 compatible = "fsl-usb2-dr-v1.6", "fsl-usb2-dr";

and try again to see if it helps.

Thanks,

Anatolij