[Arm-netbook] microSD breakout board, suitable for debugging using tablets.

Tom Cubie tangliang at allwinnertech.com
Tue Feb 14 10:39:21 GMT 2012


On 02/14/2012 04:28 PM, Henrik Nordström wrote:
> mån 2012-02-13 klockan 09:14 +0800 skrev Tom Cubie:
>
>> i am working on a spl u-boot and a tool that allows A10 internal
>> brom to load u-boot from sdcard(add a header to u-boot.bin which
>> contains the size and the checksum).My plan is dd the spl u-boot
>> to the sdcard, and boot the system, without the Phoenix Card tool.
>> Now i am doing the dram init part.
> Excellent!
>
> I still lack A10 hardware to try things out on, or any documentation on
> the DDR initialization part.
>
> The I/O multiplexer setup seems pretty simple, assuming documentation is
> reasonably correct on which bits are for which functions.
>
> Luke, what is the status on the development boards?
>
> Still looing for a suitable tablet for hacking on. As I am not planning
> to using it as a development platform more RAM is premium and of the A10
> tables I have found only Novo 7 ELF seem to be equipped with 1GB, and
> the ELF seems to be hard to get hold of over here. Also not 100% sure
> how one forces FEL mode on a A10 tablet if the NAND boot-loader gets
> fucked.

If the nand bootloader is corrupted, and no sdcard can boot, A10
will go to FEL.

>
> Maybe it's sufficient to insert a bootable SDCARD with recovery in such
> case. CARD0 has priority over NAND, right?
>
> Regards
> Henrik
>
>
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