Dear Zang Roy-R61911, The patch "[PATCH V2] MPC8xxx: Define cache ops for USB" wasn't applied yet for some reason. It fixes the issue.
> Hi, Marek > > When I build P5020DS_config with the current u-boot head, I got: > /home/roy/CVS/upstream/u-boot/drivers/usb/host/ehci-hcd.c:346: undefined > reference to `flush_dcache_range' > /home/roy/CVS/upstream/u-boot/drivers/usb/host/ehci-hcd.c:348: undefined > reference to `flush_dcache_range' > /home/roy/CVS/upstream/u-boot/drivers/usb/host/ehci-hcd.c:349: undefined > reference to `flush_dcache_range' > /home/roy/CVS/upstream/u-boot/drivers/usb/host/ehci-hcd.c:372: undefined > reference to `invalidate_dcache_range' > /home/roy/CVS/upstream/u-boot/drivers/usb/host/ehci-hcd.c:374: undefined > reference to `invalidate_dcache_range' > /home/roy/CVS/upstream/u-boot/drivers/usb/host/ehci-hcd.c:376: undefined > reference to `invalidate_dcache_range' > /home/roy/CVS/upstream/u-boot/drivers/usb/host/ehci-hcd.c:386: undefined > reference to `invalidate_dcache_range' make: *** [u-boot] Error 1 > > > I found it was caused by your commit : > > commit b8adb12095814260d2b5edb23663ddf0ab97b877 > Author: Marek Vasut <ma...@denx.de> > Date: Mon Apr 9 04:07:46 2012 +0200 > > USB: Drop cache flush bloat in EHCI-HCD > > Discard the creepy cache flushing mechanisms in ehci-hcd.c and replace > them more straightforward flushing. In the new approach, the flushing > takes place directly in ehci_submit_async() call instead of going through > the QH list an flushing all members and buffers. This discards a lot of > weird bit operation on the members of QH and qTD structures. > > NOTE: Certainly, this flushes even qTDs which are possibly unused in > some transactions, though the overhead of the previous code was much > higher than the overhead of flushing two more cache lines (which most > probably aren't ev cached). > > Signed-off-by: Marek Vasut <marek.va...@gmail.com> > > Do you have any comment? Your commit will break all 85xx platforms with USB > controller. Thanks > Roy Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
