Hi Eric, On Sun, Aug 28, 2016 at 6:08 PM, Eric Nelson <[email protected]> wrote: > Hi all, > > I'm not sure if this is a kernel issue (likely) or a > U-Boot issue, so I've cross-posted this to both the > U-Boot mailing list and here: > http://lists.denx.de/pipermail/u-boot/2016-August/thread.html#265029 > > I just ran into a problem with bus frequency switching > on the EVK and there appears to be a U-Boot component. > > Using the 4.1.15 kernel from git.freescale.com (commit a4d2a08) > and the latest U-Boot from Stefano's imx tree (commit a3e5519) > causes the EVK to hang during a bus frequency switch to LOW_POWER > mode. > > The last gasp is this: > Bus freq set to 24000000 start... > > This is easy to reproduce by downing both ethernet interfaces > and blanking the display. > > ifconfig eth0 down > ifconfig eth1 down > echo 1 > /sys/class/graphics/fb0/blank > > > And the code block in question is here: > > http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/arch/arm/mach-imx/busfreq_ddr3.c?h=imx_4.1.15_1.0.0_ga#n386 > > When using the binary U-Boot 2015.07 from the EVK package (commit > d7d7c43 from git.freescale.com), the kernel gets through the > frequency switch and produces this message. > > Bus freq set to 24000000 done! > > I first saw this problem with u-boot-fslc branch v2016.07 > and linux-fslc (4.1.29 and 4.1.30). > > Has anybody else experienced this? > > Please advise,
Thanks for reporting. I have just sent a fix for this to the U-Boot list. -- _______________________________________________ meta-freescale mailing list [email protected] https://lists.yoctoproject.org/listinfo/meta-freescale
