On Thu, Mar 23, 2017 at 2:00 PM, Petar Dimitrijevic <petar.dimitrije...@gmail.com> wrote: > > > On Tuesday, March 21, 2017 at 4:06:56 PM UTC+1, Petar Dimitrijevic wrote: >> >> Hi, >> >> I've received a V3s development board few days ago. It has an android FW >> with Camdroid installed booting from SPI NOR flash. >> Picture of the board as well as the fex file are attached to this message. >> >> >> The SDK generates android image which can be programmed to the NOR flash. >> >> However I'm unable to boot Linux. Currently I'm stuck at making u-boot >> work. The SDK ships with 2011.09 Allwinner u-boot. >> >> I'm following http://linux-sunxi.org/H3_Manual_build_howto#Building_u-boot >> and http://linux-sunxi.org/SDK_build_howto. >> When I copy the uboot images to the sdcard I get the following output in >> the serial console: >> >>> HELLO! BOOT0 is starting! >>> get_ifm reg_val=7 >>> ===i2c gpio === 22777722 >>> PMU: axp version ok >>> after set, dcdc2 =1100mv >>> axp20 set dcdc2 success >>> DRAM DRIVE INFO: V0.7 >>> DRAM Type = 2 (2:DDR2,3:DDR3,6:LPDDR2,7:LPDDR3) >>> DRAM CLK = 408 MHz >>> DRAM zq value: 000039bb >>> DRAM size = 64 MB >>> card boot number = 0 >>> card no is 0 >>> sdcard 0 line count 0 >>> [mmc]: mmc driver ver 2014-8-11 15:06:39 >>> [mmc]: ***Try SD card 0*** >>> [mmc]: SD/MMC Card: 4bit, capacity: 3768MB >>> [mmc]: vendor: Man 0002544d Snr 21ab4a86 >>> [mmc]: product: SA04G >>> [mmc]: revision: 1.3 >>> [mmc]: ***SD/MMC 0 init OK!!!*** >>> sdcard 0 init ok >>> ERROR! NOT find the head of uboot. >>> Jump to Fel. >> >> >> I presume that u-boot0 can't find u-boot1 header. I've checked the source >> code and UBOOT_START_SECTOR_IN_SDMMC is 32800 which should correspond to: >>> >>> # write u-boot >>> dd if=u-boot.fex of=/dev/sdX bs=1k seek=16400 >> >> >> However it doesn't work. >> >> I've also tried booting with Icenowys mainline u-boot branch >> https://github.com/Icenowy/u-boot-1/tree/v3s. >> I've modified the LichePieZero DTS file to correspond to the board pinout. >> However I get no message on the console whatsoever. Tried booting both >> from USB and SDcard. >> >> Digging through the commit messages for v3s mainline u-boot support I've >> noticed that SPL is disabled. Maybe that is the problem ? >> >> Does anyone have any idea on how to proceed ? I'd like to get this board >> up and running with mainline kernel so that I could port some stuff over >> from lichee. >> >> Any help is appreciated. >> >> Best, >> Petar > > > Yes and then it restarts SPL. However I can't yet figure out why it is > happening. > u-boot-sunxi-with-spl.bin builds just fine. Can't understand why it fails to > load. > > Clear the head first and then back to debugging I guess :)
If the image does not have the correct header, the ROM restarts the boot process and trys again to find an image with the correct header. > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to linux-sunxi+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- Jon Smirl jonsm...@gmail.com -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.