linux-kernel - AW: Freescale P1022 SoC hangs when initializing USB

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Message-ID: <42A09AAC7DAAF64ABE4E4C1AD5F5E295094C82C9@MEN-EX1.intra.men.de>
Date:	Mon, 27 May 2013 08:47:55 +0000
From:	"Thumshirn, Johannes Tobias" <Johannes.Thumshirn@....de>
To:	Anatolij Gustschin <agust@...x.de>
CC:	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: AW: Freescale P1022 SoC hangs when initializing USB


> 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@...00 {
>                      #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@...00 {
>                       #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

This solves the boot hang, thanks a lot

Johannes
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