On 12/22/2014 10:59 AM, gianluca wrote:
On 12/22/2014 10:49 AM, Peter Chen wrote:
it waits for 0x400 (timeout value counter) read access, then exit
with a timeout. It looks like the HW_USBPHY_CTRL for USBPHY1
(0x8007E030) has the following value: 0x80020000 (so no CLKGATE
high...)
It means the PHY works abnormal, would you please check the related
PLL is configured successfully?
I suppose yes, the PLL is configured in the right way (anyway I do
not touch any
known register neither in the linux kernel, neither in the barebox
and/or
bootlets), because the subsequent boots are running fine (at least
the 90% of
the times)
just for your reference: I configured all the device drivers related to
the device-tree structure as BUILT-IN (not as modules), so if the
device-tree is referring to a specific device driver it is always loaded
into kernel (to speedup udev during boot).
All other drivers are on-demand (udev and family...) as always.
and I don't remember such issues before building those drivers static...
but I can be wrong...
Regards,
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Gianluca Renzi
R&D
phone: +39.0542.609120
fax: +39.0542.609212
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