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#apertus IRC Channel Logs

2017/04/18

Timezone: UTC


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se6astian|away
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se6astian
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Bertl_zZ
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08:20
Bertl
morning folks!
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sagnikbasu95
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sagnikbasu95
Hi Bertl..
10:08
Bertl
hey, how's going?
10:11
sagnikbasu95
I was just wondering why do use Xilinx FPGA for your axiom..What about other small form factors like Microsemi Igloo?
10:12
Bertl
we wanted to find a reasonably priced FPGA development board which also has a small size for the Beta
10:12
Bertl
this narrowed the available options down to boards like the MicroZed and the Parallela
10:13
Bertl
back then, it also was a bonus that we already knew the ZYNQ from the Zedboard (which was used on the AXIOM Alpha)
10:14
sagnikbasu95
Do you require any license agreement with Xilinx for using their FPGA for your product ?
10:14
Bertl
but there is really no special reason for Xilinx, we also use the Lattice FPGAs on our boards for routing
10:14
Bertl
all FPGAs can be used with the 'free' licenses (WebLicense, etc)
10:15
sagnikbasu95
Like as students we also use Nexys 4 and Zedboard but our institute had to buy student licenses for the software.
10:15
Bertl
that is something we made sure, otherwise it wouldn't be very suitable for a FOSS/OH projects
10:16
Bertl
actually both the Nexys and the Zedboard should be covered by the WebLicense IIRC
10:16
Bertl
so you can program and use it, you won't get special Xilinx IP for free though
10:18
Bertl
yeah, just checked, the Nexys 4 has an Artix XC7A100T in CSG324
10:18
Bertl
which is covered by the free Web License
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10:19
sagnikbasu95
Yeah...I think maybe our institute brought the license to IP core...
10:19
Bertl
that's possible, we don't use any of the Xilinx IP cores
10:20
Bertl
although some of them come for free, but we didn't want to add any proprietary parts to the design
10:20
Bertl
it just complicates things when you are searching for a bug
10:23
Bertl
https://www.xilinx.com/support/documentation/sw_manuals/xilinx2016_4/ug973-vivado-release-notes-install-license.pdf (has a list of WebPack supported devices)
10:25
Bertl
btw, the Microsemi devices are really interesting, but their toolchain is really bad, especially on Linux
10:25
Bertl
(although, that might have changed since I last tried a year ago or so)
10:26
Bertl
Altera has nice devices as well, but they do not provide any reasonably priced development boards at all
10:35
Bertl
but we should definitely make a list of interesting FOSS/OH compatible FPGA boards somewhere on the wiki (with some details about price and features)
10:39
sagnikbasu95
yeah that would be nice...
10:41
Bertl
well, we already have this page: https://wiki.apertus.org/index.php/Zynq_Development_Boards
10:41
sagnikbasu95
i always wanted to try a altera board...or the actel anti-fuse fpga...but their are too costly..only place i saw them
10:41
sagnikbasu95
are in R&D labs of big industries
10:41
Bertl
so maybe generalize that and/or integrate it in a more general FPGA dev board page?
10:43
Bertl
there is a good list of FPGA devel boards available here: https://joelw.id.au/FPGA/CheapFPGADevelopmentBoards
10:43
Bertl
but it is unclear what licenses they use/require
10:43
Bertl
and of course, stand alone boards (i.e. without carrier) are nice but usually not suitable for an AXIOM
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BAndiT1983|away
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17:40
Bertl
off for now ... bbl
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Bertl
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se6astian
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