[U-Boot] EHCI timed out on TD - token=0x80008d80

[Manjunath]

Hello Marek,

I checked with mainline uboot as well. The issue is now clearer.  Here are some info:

1. The board uses SMARC module 
2. Whenever reboot command is given the usb is detected correctly.
3. When i give a hard reset, the following log is seen.

U-Boot > usb start
(Re)start USB...
USB0:   USB EHCI 1.00
scanning bus 0 for devices... EHCI timed out on TD - token=0x80008c80
1 USB Device(s) found
       scanning usb for storage devices... 0 Storage Device(s) found

4. Again i boot and do a soft reboot, the same USB is detected.

This is definitely something related to power.


This is something mysterious for me. Anybody has any clue please let me know.


Regards,
Manju



----- Original Message -----
From: "Marek Vasut" <marex at denx.de>
To: "u-boot" <u-boot at lists.denx.de>
Cc: "Manjunath" <manjunath at tes-dst.com>, "fabio estevam" <fabio.estevam at nxp.com>
Sent: Thursday, April 21, 2016 3:44:48 PM
Subject: Re: EHCI timed out on TD - token=0x80008d80

On 04/21/2016 08:25 AM, Manjunath wrote:
> Hello Marek,

Hi

> If the USB is detected successfully, then below are the logs.

My understanding is that you use u-boot 2013.04, which is about three
years old now ? If you observe some problem, please try with mainline
first and report back.

> U-Boot > usb start
> (Re)start USB...
> USB0:   USB EHCI 1.00
> scanning bus 0 for devices... New Device 0
> usb_control_msg: request: 0x6, requesttype: 0x80, value 0x100 index 0x0 length 0x40
> set address 1
> usb_control_msg: request: 0x5, requesttype: 0x0, value 0x1 index 0x0 length 0x0
> usb_control_msg: request: 0x6, requesttype: 0x80, value 0x100 index 0x0 length 0x12
> usb_control_msg: request: 0x6, requesttype: 0x80, value 0x200 index 0x0 length 0x9
> usb_control_msg: request: 0x6, requesttype: 0x80, value 0x200 index 0x0 length 0x19
> get_conf_no 0 Result 25, wLength 25

[...]

Best regards,
Marek Vasut