[U-Boot] USB detection

Manukumar manukumar at signal-networks.com
Thu Jul 12 08:10:41 CEST 2012


Hello,

I resolved u-boot issues in u-boot level
but i am facing an issue in kernel level usb 
detection can any suggest me to resolve this 
issue.

manukumar
signal-networks

On Tue, 2012-07-10 at 04:17 +0200, Marek Vasut wrote:
> Dear Manukumar,
> 
> > hello
> > I checked with the hardware spec
> > in that
> > P1020RDB: having connection like
> > P1012processor -> PHY -> HUB -> ports
> > 
> > whereas in custom board
> > P1012processor -> phy -> port(single usb port)
> 
> This is fairy normal.
> 
> > In uboot source code initializing sequence of u-boot
> > is below:
> > 1.usb_init()
> > 2.usb_scan_devices()
> > 3.usb_new_device(dev)
> > 4.usb_hub_probe(dev, 0)
> > 5.usb_hub_configure(dev)
> > 
> > 
> > how can we do this in u-boot source code
> 
> But I don't see what you're asking about.
> 
> > manukumar
> > signal-networks
> 
> [...]
> 
> Best regards,
> Marek Vasut
> 





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