On Sun, 2013-12-15 at 16:06 +0100, Marek Vasut wrote:
> On Sunday, December 15, 2013 at 10:57:55 AM, Sergei Ianovich wrote:
> > After a clean rebuild, U-Boot with both OF_LIBFDT and CMD_USB, but
> > without SYS_LONGHELP is under 256 kiB. I won't disable USB. Instead,
> > I'll try to make it actually work.
While testing, I've run into an issue with USB support. If I do
$ usb start
in U-Boot, not only it doesn't see an attached flash storage, but also
it break USB in the kernel. If I just boot the kernel from flash or
tftp, USB works in the kernel.
I've verified that my usb_board_init() is exactly the same sequence of
commands, that the kernel uses to initialize the stack up to
usb_add_hcd() at linux/drivers/usb/host/ohci-pxa27x.c:445
I suspect the issue is in U-Boot OHCI PXA driver. Are you aware of any?
It probably makes sense to disable USB at LP-8x4 for now.
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