[U-Boot] [PATCH 1/2] arm: add usb-phy init support for Kirkwood SoCs

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Sat Jun 27 19:54:18 CEST 2009


On 13:11 Sat 27 Jun     , Nicolas Pitre wrote:
> On Sat, 27 Jun 2009, Jean-Christophe PLAGNIOL-VILLARD wrote:
> 
> > On 00:50 Wed 24 Jun     , Prafulla Wadaskar wrote:
> > > On kirkwood by default USB PHY is disabled
> > > and from Linux-2.6.29 onward, phy_version for kirkwood platforms
> > > are programmed to EHCI_PHY_NA, expecting such platform specific
> > > setup should be done by boot loader
> > > 
> > > This patch provides arch specific requirement for usb-phy init
> > > 
> > Nicolas could you explain why the kernel require such init in the boot 
> > loader?
> 
> No particular reason other than the fact that no one made a patch for 
> the kernel yet.
tks

Prafulla,
U-Boot is supposed to init the usb only if it use it so init it by default is
not correct. Please fix it.

Btw it will be nice to fix the kernel too

Best Regards,
J.


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