Hi,
Platform : FreeScale - p4080 - e500mc
Our Banner:
U-Boot 2013.01-00040-gfd65bf6-dirty (Jan 16 2014 - 17:25:34)
CPU0: P4080E, Version: 2.0, (0x82080020)
Core: E500MC, Version: 2.0, (0x80230020)
Keyboard has additional USB ports (HUB) on it :
Dell Model: Dell Multimedia Keyboard : M/N: Y-UK-DEL1 D P/N: TH836 L P/N:
820-000430 PID: LZ751B30EBJ
Modern version
http://accessories.us.dell.com/sna/productdetail.aspx?c=us&l=en&cs=19&sku=331-9653&baynote_bnrank=0&baynote_irrank=0&~ck=baynoteSearch
The issue appears to be related to an addition ports on the keyword.
Any FreeScale supporters here ?
I have narrowed down the hang occurs in function :
ehci_submit_async() in drivers/usb/host/ehci-hcd.c
Our version has a fix applied that the upstream Freescale uboot reference
does not:
340a334,340
>
> /* Force FS for fsl HS quirk */
> if (!ctrl->has_fsl_erratum_a005275)
> endpt |= QH_ENDPT1_EPS(ehci_encode_speed(dev->speed));
> else
> endpt |= QH_ENDPT1_EPS(ehci_encode_speed(QH_FULL_SPEED));
>
762a763,766
> /* Disable chirp for HS erratum */
> if (ctrl->has_fsl_erratum_a005275)
> reg |= PORTSC_FSL_PFSC;
>
Thank you.
On Fri, Jan 17, 2014 at 7:39 AM, Wolfgang Denk wrote:
> Dear John Donnelly,
>
> In message <
> cagtoqbsq3yzpvqcb1bowr8unyfowwopxpx-epnremamgu58...@mail.gmail.com> you
> wrote:
> >
> > I am investigating an issue where some keyboards fail to enumerate in
> > u-boot but they are available when Linux enumerates them .
>
> Hardware (which exact board/ configuration) ?
>
> Software (which exact version of U-Boot) ?
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
> Today is the yesterday you worried about tomorrow.
>
--
*Regards,*
* John.*
*--*
*o* Energy-efficiency is #1 reason data centers look to expand. -- Digital
Realty Trust
*o* Green Data Centers spending to increase 300% worldwide by 2016. --
Pike Research
*o *Data Centers have become as vital to the functioni
ng of society as power stations. -- The Economist
___
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
