Petar,
could you pass along the information of the company which had the V3S 
devkit? I'm trying to source a devkit for it and it is seeming very 
difficult, the only other one(lichee pi) seems to now be defunct.
Thank you!


On Friday, March 24, 2017 at 5:23:34 AM UTC-7, Petar Dimitrijevic wrote:
>
> Just to close up this thread for completeness sake.
>
> Icenowy suggested that I try booting with console on UART0 instead of 
> UART2.
> And that worked. I currently have working uboot started from sdcard.
>
> Many thanks for that.
>
> On Thursday, March 23, 2017 at 7:45:27 PM UTC+1, Jon Smirl wrote:
>>
>> On Thu, Mar 23, 2017 at 2:00 PM, Petar Dimitrijevic 
>> <[email protected]> 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. 
>>
>>
>> > 
>> > -- 
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>>
>>
>> -- 
>> Jon Smirl 
>> [email protected] 
>>
>

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