USB hub not working on beagle board xM with ginger bread

Bharathi Davuluri

Hi,

Board: Beagle board xM rev C.
OS: Android 2.3
BSP: TI ginger bread.

I am using the above configuration and if I connect any USB device to USB ports those are not getting recognized and not getting power also (confirmed by seeing LED on USB device).

Can anyone please tell me how to enable USB host hub to work in BSP.

Thanks in advance.

Regards,
Bharathi

over 13 years ago

0 Vishveshwar Bhat over 13 years ago

TI__Genius 10210 points

Beagleboard XM rev C is supported from TI Android GingerBread 2.3.4 DevKit 2.1 release onwards. http://processors.wiki.ti.com/index.php/TI-Android-GingerBread-2.3.4-DevKit-2.1_ReleaseNotes

Please ensure that you are using this release or the latest sources from rowboat.

0 Bharathi Davuluri over 13 years ago in reply to Vishveshwar Bhat

Prodigy 70 points

Hi,

Thanks for reply.

We are using latest sources from rowboat.

0 Arun Joseph over 13 years ago in reply to Bharathi Davuluri

TI__Expert 7220 points

Hi,

Do you get any errors/logs on the serial port when you connect the usb hub?

If yes, please post here.

0 Bharathi Davuluri over 13 years ago in reply to Arun Joseph

Prodigy 70 points

Hi Arun,

My problem got solved by using new Android version i.e., 2.3.4.

I written a usb kernel device driver. while inserting this module I am getting the following errors.

bt_kdrv_linux: disagrees about version of symbol usb_interrupt_msg
bt_kdrv_linux: Unknown symbol usb_interrupt_msg (err -22)
bt_kdrv_linux: disagrees about version of symbol usb_bulk_msg
bt_kdrv_linux: Unknown symbol usb_bulk_msg (err -22)
bt_kdrv_linux: disagrees about version of symbol usb_control_msg
bt_kdrv_linux: Unknown symbol usb_control_msg (err -22)
insmod: init_module 'bt_kdrv_linux.ko' failed (Invalid argument)

FYI, I built this module with the kernel version 2.6.37.

Regards,

Bharathi.

0 Arun Joseph over 13 years ago in reply to Bharathi Davuluri

TI__Expert 7220 points

Hi Bharathi,

These errors are due to the mismatch between the kernel sources and the module. Try to use the same uImage of the kernel sources which was used for building the module.

0 Bharathi Davuluri over 13 years ago in reply to Arun Joseph

Prodigy 70 points

Hi Arun,

Thanks for the reply.

I will try and let you know.

Regards,

Bharathi.

0 Bharathi Davuluri over 13 years ago in reply to Bharathi Davuluri

Prodigy 70 points

Hi,

I was using Android-2.3.4 pre-built images provided by TI for beagle board xM.

I downloaded Android sources and built kernel as described in "TI-Android-GingerBread-2.3.4-DevKit-2.1
DeveloperGuide" by using the specified tool chain.

I copied the generated uImage which is of 3.1MB to Boot_Images folder and loaded to sd card.

Hanging at boot time,

Running bootscript from mmc ...
## Executing script at 82000000
reading uImage

3299316 bytes read
***** Kernel: /dev/mmcblk0p1/uImage *****
***** RootFS: /dev/mmcblk0p2 *****
## Booting kernel from Legacy Image at 82000000 ...
   Image Name:   Linux-2.6.37-g06ebbba
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    3299252 Bytes = 3.1 MiB
   Load Address: 80008000
   Entry Point: 80008000
   Verifying Checksum ... OK
   Loading Kernel Image ... OK
OK

Starting kernel ...

Am I missing anything to change while loading a new kernel image?

Regards,

Bharathi.

0 Bharathi Davuluri over 13 years ago in reply to Arun Joseph

Prodigy 70 points

Hi Arun,

I tried your suggestion but still I am getting the same error.

Can you please help me out how to solve this issue.

Regards,

Bharathi.

0 Arun Joseph over 13 years ago in reply to Bharathi Davuluri

TI__Expert 7220 points

Hi Bharathi,

I believe you are still referring to the module mismatch error.

When building module, you need to point to the kernel tree inside the 2.3.4 android sources and while loading, use the same uImage built from these sources.

Also can you try build this specific driver inside the kernel?

0 Bharathi Davuluri over 13 years ago in reply to Arun Joseph

Prodigy 70 points

Hi arun.

This solved my issue.

Now my usb kernel driver working as expected.

Thank you so much.

Regards,

Bharathi.

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USB hub not working on beagle board xM with ginger bread