• Locked Locked
  • Replies 1 reply
  • Subscribers 99 subscribers
  • Views 323 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

usb driver question

laibaotang
Intellectual 400 points

hi

      1. do you provide dm355 usb driver sourcing code in order to compile usb.ko programme?

      2.how to insmod usb.ko into the develop board by using the dm355 chip?

      3.I directly  mount  storage device by dm355 usb port.

       but i can not mount storage device by hub usb connect dm355 usb port. how to mount storage device by hub usb connect dm355 usb port?

      4 where to modify  usb driver in the dm355 board transplant to the develop board by using the dm355 chip?

        what information do i see to modify usb driver,such as u-boot kernek ?

                                                     tanglaibao    

  

  • TI__Mastermind 37340 points

    1) Yes, the USB driver source code is included as part of the Linux kernel; however, I do not believe it is named usb.ko, please see the LSP data manual (sprs496 in DVSDK 1.30.0.41) for more details; this document id normally found under PSP_XX_XX_XX_XXX directory under DVSDK.

    2) Please see LSP installation guide (sprufG0) for details on the kernel options you need to enable via menucofig for various USB configurations (host, ethernet peripheral, storage peripheral...).  This document is also included under PSP_XX_XX_XX_XXX directory under DVSDK.

    3) According to the LSP docs above, USB hubs are supported; does the hub you are using have its own power source?  The EVM may not be powerful enough to support power to a HUB.  A

    4) location of USB driver is under Linux kernel (.../ti-davinci/drivers/usb); this is also described in the LSP installation guide mentioned in 2)