+Kever Hi Rick,
On 15 January 2017 at 12:05, Rick Bronson <[email protected]> wrote: > Hi All, > > I updated one of my two RK3288 boards (Viewsonic) with newer Android > factory firmware (using Windows) and now it won't boot mainline u-boot > when I use the same exact recipe that worked previously: > > sudo ${UPGD} db rkbin/rk32/rk3288_boot.bin > sudo ${UPGD} wl 0x40 tftpboot/u-boot-dtb.bin > > Been trying to figure out what's wrong. My theory is that the newer > firmware enabled one of the "boot areas" of the eMMC and the "wl 0x40" > command above only writes to the user area of the eMMC. > > I can still load and run one of the Android u-boots using the > boot_merger method: > > ./tools/boot_merger --subfix ".10.bin" ./tools/rk_tools/RKBOOT/RK3288.ini > > then flashing via: > > sudo ${UPGD} ul u-boot-android/RK3288UbootLoader_V2.30.10.bin > > But these u-boot's are virtually useless since they striped of > useful commands (like mmc commands). > > I tried using the above boot_merger command on mainline u-boot but > it only boots this far (I've tried u-boot-dtb.bin and u-boot.bin): > > -------------------------- > U-Boot 2016.11-08467-g05b8ba7-dirty (Jan 15 2017 - 10:40:37 -0800) > > Model: SCT36-RK3288 > DRAM: 128 MiB > -------------------------- > > Note the incorrect DRAM size. My normal boot looks like: > > -------------------------- > U-Boot SPL 2016.11-08467-g05b8ba7-dirty (Dec 18 2016 - 11:00:14) > > U-Boot 2016.11-08467-g05b8ba7-dirty (Dec 18 2016 - 11:00:14 -0800) > > Model: SCT36-RK3288 > DRAM: 2 GiB > MMC: dwmmc@ff0c0000: 0, dwmmc@ff0f0000: 1 > ... > -------------------------- > > Note that this runs SPL, then normal u-boot whereas the previous one > didn't run SPL. > > Any ideas how I can get mainline u-boot running on this board? You might try a git bisect. We moved to auto-detected the RAM size recently, so perhaps that changed something? 7d6c78f rk3288: sdram: auto-detect the capacity > > Thanks much, > > Rick > > > Regards, Simon _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
