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<pcbBob>
Good morning. So this question was probably asked many times already but what do I have to pay attention for if I want to develop software for Allwinner CPUs on a "bare metal" level (e.g. F1C100S)?
<pcbBob>
So let's say I have my compiled program of arm-none-eabi-toolchain - how do I get it into the CPU (probably over UART into the internal bootloader-SRAM)?
<pcbBob>
Is there some kind of encryption or header-bytes I have to watch out?
<megi>
search linux-sunxi for eGON and FEL keywords, that may answer some questions
<pcbBob>
So okay if the internal boot ROM tries to fetch code from connected NAND - how does it know what kind of NAND (e.g. amount of address lines, configuration etc.)?
<pcbBob>
and at which address should boot0 and boot1 be placed?
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<megi>
you can probably find that info in BSP code
<pcbBob>
BSP?
<megi>
board support package you got from the vendor (Allwinner)
<megi>
if it will work out for sending the prototypes
<megi>
montjoie: you can run H3 in big endian mode?
<megi>
interesting, arm is dual endian
<megi>
I didn't know
<montjoie>
megi: yes I test BE currently, I will enable it on kernelci for all sunxi soon
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<tuxd3v>
montjoie, thanks for your confirmation :)
<tuxd3v>
A20 seems a lot mature, and still improoving..
<tuxd3v>
I still dream of the day when things..just work! :)
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<KotCzarny>
you will have to go back some 30-40 years
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<tllim>
PinePhone shipment using Asendia (French+Swiss) Pos for Europe/Russia, expected 8-12 days shipping time to EU. For US and ROW, using Singapore Pos, about 8-10days for US.
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<KotCzarny>
tllim: any problems with vat/customs to poland? just curious
<tllim>
no idea, up to custom officer mood. In general, custom more relax on Pos delivery especially in Russia.
<KotCzarny>
send them as devkit or something?
<tllim>
:)
<KotCzarny>
or just plain chaina post pkg?
<tllim>
China post don't accept battery operated device shipment.
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