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 <w...@denx.de> 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
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