HI Sandy, On 13 July 2016 at 11:51, Sandy Patterson <apatter...@sightlogix.com> wrote: > I did a little more on this, and talked to someone else here. It seems that > my problem with loading the kernel including these patches is specific to > our kernel and after applying a local patch we have, it appears to load > fine. > > So this patchset gets me back to the same functionality in v2016.03. > > We're left with the puzzle of what's wrong on the RK3288 regarding caching > and memory.
So what is the status of this patch set? Should it be withdrawn? Regards, Simon > > Sandy Patterson > > On Mon, Jul 11, 2016 at 1:38 PM, Sandy Patterson <apatter...@sightlogix.com> > wrote: >> >> I wasn't able to load the linux kernel using a Rock2 board >> using the latest master branch. The board hangs after it has >> handed executing over to the kernel. I found that the latest release >> that worked was v2016.03. >> >> I did some searching and I suspect the problem may be cache related. >> >> This patchset allows the kernel to start by reverting two problem >> commits and disabling EFI_LOADER which I suspect rubs the caching the >> wrong way. We also found that the 512M limit for fdt and initrd is now >> 256M. >> I'm not sure why this is. >> >> This still doesn't work 100%. I think it's not initializing the SD card >> volages correctly, but at least the Kernel is loading. >> >> I also am not sure changing the caching for all armv7 is the right >> answer. I wasn't too sure about the revert. I am not very familiar with >> this low level stuff. >> >> Sandy Patterson >> >> >> Sandy Patterson (4): >> Revert "arm: Replace v7_maint_dcache_all(ARMV7_DCACHE_CLEAN_INVAL_ALL) >> with asm code" >> Revert "arm: Replace v7_maint_dcache_all(ARMV7_DCACHE_INVAL_ALL) with >> asm code" >> Disable CONFIG_EFI_LOADER for rock2. >> RK3288 needs fdt and initrd below 256M now. >> >> arch/arm/cpu/armv7/Makefile | 2 +- >> arch/arm/cpu/armv7/cache_v7.c | 135 >> ++++++++++++++++++++++- >> arch/arm/cpu/armv7/cache_v7_asm.S | 154 >> --------------------------- >> arch/arm/mach-uniphier/arm32/lowlevel_init.S | 67 +++++++++++- >> configs/rock2_defconfig | 1 + >> include/configs/rk3288_common.h | 6 +- >> 6 files changed, 201 insertions(+), 164 deletions(-) >> delete mode 100644 arch/arm/cpu/armv7/cache_v7_asm.S >> >> -- >> 1.9.1 >> > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
