2017年3月21日 23:06于 Petar Dimitrijevic <petar.dimitrije...@gmail.com>写道：
>
> 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 ?
For my own branch the SPL is enabled.
>
> 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
>
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