En 26 de noviembre de 2015 en 23:59:02, Luke Kenneth Casson Leighton (lkcl@lkcl.net) escrito:
[*] https://developer.qualcomm.com/hardware/dragonboard-410c
("Free graphics possible" according to the Debian Wiki's ARM 64 port page...
Adreno GPU. niiiice. minimalist hardware datasheet (with pinouts but not mechanical layout) on arrow electronics, as well as a five THOUSAND page datasheet on the hardware registers.
this might actually qualify as an FSF-Endorseable processor, and, with a bit of work, might actually be a great candidate for an EOMA68 CPU Card. it will need a MIPI-to-RGB/TTL converter IC on-board. there's I2C, UART, SPI, 2 SDCs (one is eMMC, the other is SD/MMC), only one USB port (bleeeergh!), which means that a USB Hub IC is needed..
so we're looking at... whatever the SoC cost is (knowing qualcomm they'll want around the $12 mark for it), plus USB Hub IC and components ($1.50), plus a MIPI-to-RGB/TTL converter IC (could be as high as $2.50), so we'd be looking at what.... $15....
... and the allwinner A64 we know is only $5. with 2 USB interfaces, RGB/TTL output....
whyy, god, whyyyyy... :)
There is a EOMA-68 with Allwinner A20. So you have a cheap EOMA-68.
In my opinion, a EOMA-68 with Qualcomm it is a good idea, because is more powerful than Allwinner A64 (Adreno 306 is better than Mali 400 MP2).
I have some doubts: - EOMA-68 has enough power for the Snapdragon 410? - Do you have support/drivers of the GPU in Linux (like OpenGL ES 3.0)?
In my opinion, there should be a EOMA-68 with a more basic and cheap hardware (Allwinner series) and other EOMA-68 with a more powerful and expensive hardware (Snapdragon series).
l.
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