svn commit: r189496 - head/sys/dev/usb/controller

Sam Leffler sam at freebsd.org
Sun Mar 8 12:18:42 PDT 2009


Andrew Thompson wrote:
> Author: thompsa
> Date: Sat Mar  7 19:49:47 2009
> New Revision: 189496
> URL: http://svn.freebsd.org/changeset/base/189496
>
> Log:
>   (re)merge r186415,186416 from the old usb stack;
>   
>   o add Transaction Translator support (still missing ISOC xfers)
>   o add EHCI_SCFLG_BIGEMMIO flag to force big-endian byte-select to be
>     set in USBMODE
>   o split reset work into new public routine ehci_reset so bus shim drivers
>     can force big-endian byte-select before ehci_init
>   o enable TT and big-endian MMIO
>   o force a reset before ehci_init to get byte-select setup
>   
>   Also go back to using USB_EHCI_BIG_ENDIAN_DESC at compile time to enable the
>   byteswapping and reduce diffs to the original commits.
>   
>   This fixes the new USB stack on the Cambria board.
>   

Beware there appear to be h/w issues w/ usb on 2358 boards that show up 
as devices not attaching properly (at least for me) and/or poor performance.

I also observe significant problems on 2348 boards that I do not see 
with the usb1 code--which is why it remains the default configuration.

    Sam




More information about the svn-src-head mailing list