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Anyone know if there's a standard(ish) for simple mezzanine cards for FPGA boards? I know about things like FMC and HSMC which are very 'high end' - multi gigabit transceivers, expensive connectors. There's also Arduino, which is simple and low pin count, but everything is designed to talk to a dumb slow Atmega (which usually means putting another Atmega on the mezzanine card and talking via SPI). Or there's Raspberry Pi, but again it's assumes you have slow I/O and things like Ethernet and USB already exist on the CPU board. Is there anything between the two? Something like an Arduino-scale system but with a $10 FPGA in mind rather than an 8 bit micro or a $1000 FPGA. For instance, an 100M Ethernet PHY which is just the phy rather than a memory-mapped MAC, and so just presents an RMII or SMII interface. Or a USB2 ULPI PHY. Having a microcontroller on the board is OK (USB offload is a useful task), just drinking it through an SPI straw is not. I found: http://www.wvshare.com/column/Accessory_Boards.htm?1 which seems to be cheap boards all over ebay that are rather Arduino-like while intended for FPGAs, but there doesn't seem to be much of a community around them (in other words, they might disappear tomorrow). Any other ideas? Thanks TheoArticle: 157351
Hello alb, > When it comes to security, the tipical approach is to reveal the bug > once is *fixed* in order not to expose the affected victim to a massive > attack. If you found a breach, by chance or because of your skills or > job, you should report it to Xilinx before the breach can be exploited > further. they already know that for years, believe me. IP cores are not their business. They're selling FPGAs. OTOH looking at the source code is sometimes useful.Article: 157352
Theo Markettos <theom+news@chiark.greenend.org.uk> wrote: > Anyone know if there's a standard(ish) for simple mezzanine cards for FPGA > boards? > I know about things like FMC and HSMC which are very 'high end' - multi > gigabit transceivers, expensive connectors. There's also Arduino, which is > simple and low pin count, but everything is designed to talk to a dumb slow > Atmega (which usually means putting another Atmega on the mezzanine card and > talking via SPI). Or there's Raspberry Pi, but again it's assumes you have > slow I/O and things like Ethernet and USB already exist on the CPU board. > Is there anything between the two? Something like an Arduino-scale system > but with a $10 FPGA in mind rather than an 8 bit micro or a $1000 FPGA. For > instance, an 100M Ethernet PHY which is just the phy rather than a > memory-mapped MAC, and so just presents an RMII or SMII interface. Or a > USB2 ULPI PHY. Having a microcontroller on the board is OK (USB offload is > a useful task), just drinking it through an SPI straw is not. > I found: > http://www.wvshare.com/column/Accessory_Boards.htm?1 > which seems to be cheap boards all over ebay that are rather Arduino-like > while intended for FPGAs, but there doesn't seem to be much of a community > around them (in other words, they might disappear tomorrow). > Any other ideas? store.hackaday.com/products/arduino-compatible-fpga-shield ? -- Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt --------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------Article: 157353
Uwe Bonnes <bon@hertz.ikp.physik.tu-darmstadt.de> wrote: > store.hackaday.com/products/arduino-compatible-fpga-shield ? Thanks. I found that earlier, but it's the wrong direction. I already have an FPGA (a Cyclone IV E EP4CE22, with no transceivers), I want to connect it via a high-ish bandwidth link to the outside world (via USB 2, 100M Ethernet, whatever), but I don't want to commit to a protocol, I just want to add a header and use existing modules. The above seems to be intended to add an FPGA to an Arduino. As the Spartan 6 LX doesn't have any high speed transceivers, it seem doesn't add anything to the FPGA I already have. TheoArticle: 157354
On 11/26/2014 7:12 PM, Theo Markettos wrote: > Uwe Bonnes <bon@hertz.ikp.physik.tu-darmstadt.de> wrote: >> store.hackaday.com/products/arduino-compatible-fpga-shield ? > > Thanks. I found that earlier, but it's the wrong direction. I already have > an FPGA (a Cyclone IV E EP4CE22, with no transceivers), I want to connect it > via a high-ish bandwidth link to the outside world (via USB 2, 100M > Ethernet, whatever), but I don't want to commit to a protocol, I just want > to add a header and use existing modules. > > The above seems to be intended to add an FPGA to an Arduino. As the Spartan > 6 LX doesn't have any high speed transceivers, it seem doesn't add anything > to the FPGA I already have. When I looked I found a number of modules that would provide external interfaces having nothing to do with Arduino. Check again and nose around a bit. -- RickArticle: 157355
On 11/26/2014 7:28 PM, rickman wrote: > On 11/26/2014 7:12 PM, Theo Markettos wrote: >> Uwe Bonnes <bon@hertz.ikp.physik.tu-darmstadt.de> wrote: >>> store.hackaday.com/products/arduino-compatible-fpga-shield ? >> >> Thanks. I found that earlier, but it's the wrong direction. I >> already have >> an FPGA (a Cyclone IV E EP4CE22, with no transceivers), I want to >> connect it >> via a high-ish bandwidth link to the outside world (via USB 2, 100M >> Ethernet, whatever), but I don't want to commit to a protocol, I just >> want >> to add a header and use existing modules. >> >> The above seems to be intended to add an FPGA to an Arduino. As the >> Spartan >> 6 LX doesn't have any high speed transceivers, it seem doesn't add >> anything >> to the FPGA I already have. > > When I looked I found a number of modules that would provide external > interfaces having nothing to do with Arduino. Check again and nose > around a bit. Opps, I was thinking of the link *you* gave. Sorry... -- RickArticle: 157356
I don't have any suggestions but would be very interested if you find anything along those lines. Please post anything you do find.Article: 157357
"PMOD" and Arduino-style wings are the two "standards" I know of. --------------------------------------- Posted through http://www.FPGARelated.comArticle: 157358
Alexander Kane <ajpkane@gmail.com> wrote: > I don't have any suggestions but would be very interested if you find > anything along those lines. Please post anything you do find. So far I'm leaning toward Arduino, but using some of the non-Atmega boards that are a bit quicker and pretending that my board is an Arduino shield (rather than a CPU). For instance: Intel Galileo release 2: i386 Quark processor that can run Debian (with hackery, Intel have a critical bug on the LOCKXCHG instruction), has PCIe, ethernet, on the rel 2 board there's now 12 native GPIOs (up from a derisory 2 on the rel 1 board that I have). i386 compatibility may be useful for my application, but this is a bit underpowered. I don't know if there's a way to do high speed parallel input though. BeagleBone: there's a pair of cacheless single-cycle 200MHz Programmable Realtime Unit CPUs attached to some GPIOs, that might be enough to suck in data into the main CPU that has Ethernet, USB, etc. Programming the PRUs looks a bit fiddly. Not Arduino pinout. Arduino Tre: essentially a Beaglebone with an Arduino integrated. This puts a 16MHz ATMega 32u4 on the other end of the Arduino pins - so maximum 16MHz x n bits input, assuming it can be convinced to do one word per cycle (which I'm not sure it can). I don't think the Arduino pins are accessible from the PRUs, though I haven't found a pinout (it doesn't exist yet). Arduino Yun: same idea as the Tre, but with an Atheros AR9331 wifi controller. Ignoring the wifi bit, it's the same problem - all the external IO goes via the slow ATMega. All of these are higher cost than the average Arduino shield, and essentially mean committing to a board with a given pinout (since in reality only Arduino pins XYZ have the necessary properties). They also mean all going through a 'full fat' OS to get the high speed I/O. TheoArticle: 157359
mnentwig <24789@embeddedrelated> wrote: > "PMOD" and Arduino-style wings are the two "standards" I know of. Interesting, I wasn't aware of PMOD. That's the kind of thing I'm after, but it seems to be limited in both pinout and speed. For instance, there's a 100M ethernet but you have to talk to it by SPI. Likewise the only USB is a UART. So a 'parallel PMOD' is roughly what I'm looking for. TheoArticle: 157360
>Anyone know if there's a standard(ish) for simple mezzanine cards for
FPGA
>boards?
>
>I know about things like FMC and HSMC which are very 'high end' - multi
>gigabit transceivers, expensive connectors. There's also Arduino, which
is
>simple and low pin count, but everything is designed to talk to a dumb
slow
>Atmega (which usually means putting another Atmega on the mezzanine card
and
>talking via SPI). Or there's Raspberry Pi, but again it's assumes you
have
>slow I/O and things like Ethernet and USB already exist on the CPU board.
>
>Is there anything between the two? Something like an Arduino-scale
system
>but with a $10 FPGA in mind rather than an 8 bit micro or a $1000 FPGA.
For
>instance, an 100M Ethernet PHY which is just the phy rather than a
>memory-mapped MAC, and so just presents an RMII or SMII interface. Or a
>USB2 ULPI PHY. Having a microcontroller on the board is OK (USB offload
is
>a useful task), just drinking it through an SPI straw is not.
>
>I found:
>http://www.wvshare.com/column/Accessory_Boards.htm?1
>which seems to be cheap boards all over ebay that are rather Arduino-like
>while intended for FPGAs, but there doesn't seem to be much of a
community
>around them (in other words, they might disappear tomorrow).
>
>Any other ideas?
>
>Thanks
>Theo
>
http://enterpoint.co.uk/ has both 10/100 and 10/100/1000 Phys along
with other
fpga interface stuff in their standard pinout. As well I know of waveshare
(also
available from various folks on ebay) who have a cheap 10/100 phy
http://www.wvshare.com/product/DP83848-Ethernet-Board.htm
Peter Van Epp
---------------------------------------
Posted through http://www.FPGARelated.com
Article: 157361Hello Theo, "Theo Markettos" <theom+news@chiark.greenend.org.uk> wrote in message news:nQx*EJyhv@news.chiark.greenend.org.uk... > Anyone know if there's a standard(ish) for simple mezzanine cards for FPGA > boards? > > I know about things like FMC and HSMC which are very 'high end' - multi > gigabit transceivers, expensive connectors. There's also Arduino, which > is > simple and low pin count, but everything is designed to talk to a dumb > slow > Atmega (which usually means putting another Atmega on the mezzanine card > and > talking via SPI). Or there's Raspberry Pi, but again it's assumes you > have > slow I/O and things like Ethernet and USB already exist on the CPU board. > > Is there anything between the two? Something like an Arduino-scale system > but with a $10 FPGA in mind rather than an 8 bit micro or a $1000 FPGA. > For > instance, an 100M Ethernet PHY which is just the phy rather than a > memory-mapped MAC, and so just presents an RMII or SMII interface. Or a > USB2 ULPI PHY. Having a microcontroller on the board is OK (USB offload > is > a useful task), just drinking it through an SPI straw is not. You can find really bare and cheap ones: DE0-nano: http://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=English&CategoryNo=165&No=593 or DE0: http://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=English&CategoryNo=165&No=364 If you want something more advanced, but with reasonable connectors, then have a look at DE1-SoC: http://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=English&CategoryNo=165&No=836 I think all the development kits that come with the HSMC connector, also have a very small board with like 20 LEDs and 40 IO pins. The one on the left: http://kamami.com/published/publicdata/BTC10/attachments/SC/products_pictures/m_terasic_p0057.jpgArticle: 157362
On Wednesday, 26 November 2014 20:01:18 UTC+1, Theo Markettos wrote: > Anyone know if there's a standard(ish) for simple mezzanine cards for FPGA > boards? we are working on it, we really are: https://hackaday.io/project/3443-open-source-hw-xilinx-zynq7000-system-on-module this is only the tip of the iceberg ;) the project will be launhced on indiegogo latest next week, with promo perks at 39EUR (inclusive shipping) there are at least 3 more different form factors coming, some much more interesting in the sense of "mezzanine". OzOM - A features * 2x ARM cortex A9 * 32MByte linear NOR flash * 1 pmod slot, 4 MIO and 4 FPGA * 1 i2c slot (pmod compat) 4 MIO * 50 pin header, both edges are "pmod compatible" :) * SD Card sockets, supporting: ** SD/SDXC, failsafe primary boot ** Electric Imp wifi cloud ** Toschiba FlashAir - iSDIO wifi ** AK2000 based WiFi cards with built in linux (user accessible!!) * microSD - secondary boot, flash media if using SDIO cards in other slot * MSP430 as reset and "button" controller * LED's * uni-taster: reset or reconfigure or clear config or user button * CC2564 based BT/BLE either TiWi-uB2 or CC2564MODN ** onboard antenna or U.fl connector * USB possible if ULPI phy on baseboard * ethernet 100Mbit possible with RMII phy * ethernet 10Mbit possible with "phyless - phy" there are some more features coming in REV 2, the above list was for REV 1 boards that we have at our desk and use to evaluate the design and improve it before pilot series production.Article: 157363
On Tuesday, 28 October 2014 12:18:33 UTC+1, mnentwig wrote: > Hi, > > does anybody know whether it is possible (or impossible) to use an FPGA's > serial transceivers for a MIPI type 2 M-PHY link (i.e. 1.5 GBit/s)? > Xlinx' book http://www.xilinx.com/publications/archives/books/serialio.pdf > makes it look easy, but I suspect this gets very difficult once moving away > from an established standard. > > --------------------------------------- > Posted through http://www.FPGARelated.com M-PHY is not supportedArticle: 157364
Antti <antti.lukats@gmail.com> wrote: > On Wednesday, 26 November 2014 20:01:18 UTC+1, Theo Markettos wrote: > > Anyone know if there's a standard(ish) for simple mezzanine cards for FPGA > > boards? > > we are working on it, we really are: > > https://hackaday.io/project/3443-open-source-hw-xilinx-zynq7000-system-on-module To be clear, I'm actually looking for the other way around. I already have an FPGA, I want to add some I/O via mezzanine cards. Do you plan to make any addon cards that fit into your board? (adding an FPGA plus its own I/O is a way to go, I suppose, but it starts getting complicated) TheoArticle: 157365
On Wednesday, 26 November 2014 20:01:18 UTC+1, Theo Markettos wrote: > Anyone know if there's a standard(ish) for simple mezzanine cards for FPGA > boards? > > I know about things like FMC and HSMC which are very 'high end' - multi > gigabit transceivers, expensive connectors. There's also Arduino, which is > simple and low pin count, but everything is designed to talk to a dumb slow > Atmega (which usually means putting another Atmega on the mezzanine card and > talking via SPI). Or there's Raspberry Pi, but again it's assumes you have > slow I/O and things like Ethernet and USB already exist on the CPU board. > > Is there anything between the two? Something like an Arduino-scale system > but with a $10 FPGA in mind rather than an 8 bit micro or a $1000 FPGA. For > instance, an 100M Ethernet PHY which is just the phy rather than a > memory-mapped MAC, and so just presents an RMII or SMII interface. Or a > USB2 ULPI PHY. Having a microcontroller on the board is OK (USB offload is > a useful task), just drinking it through an SPI straw is not. > > I found: > http://www.wvshare.com/column/Accessory_Boards.htm?1 > which seems to be cheap boards all over ebay that are rather Arduino-like > while intended for FPGAs, but there doesn't seem to be much of a community > around them (in other words, they might disappear tomorrow). > > Any other ideas? > > Thanks > Theo Hi Theo, yes, well I have done some standards and produced some addonboards, unfortunately with not so much widespread success. the need is there, and the existing standards do not covert the needs. I may have something in the "sleeves" too early to talk, but I can say it ends for me multi-decade search and hunt. Search is over. Sorry just a little bit too early to talk in public. br AnttiArticle: 157366
On 26/11/14 19:01, Theo Markettos wrote: > Anyone know if there's a standard(ish) for simple mezzanine cards for FPGA > boards? > > I know about things like FMC and HSMC which are very 'high end' - multi > gigabit transceivers, expensive connectors. There's also Arduino, which is > simple and low pin count, but everything is designed to talk to a dumb slow > Atmega (which usually means putting another Atmega on the mezzanine card and > talking via SPI). Or there's Raspberry Pi, but again it's assumes you have > slow I/O and things like Ethernet and USB already exist on the CPU board. > > Is there anything between the two? Something like an Arduino-scale system > but with a $10 FPGA in mind rather than an 8 bit micro or a $1000 FPGA. For > instance, an 100M Ethernet PHY which is just the phy rather than a > memory-mapped MAC, and so just presents an RMII or SMII interface. Or a > USB2 ULPI PHY. Having a microcontroller on the board is OK (USB offload is > a useful task), just drinking it through an SPI straw is not. > > I found: > http://www.wvshare.com/column/Accessory_Boards.htm?1 > which seems to be cheap boards all over ebay that are rather Arduino-like > while intended for FPGAs, but there doesn't seem to be much of a community > around them (in other words, they might disappear tomorrow). > > Any other ideas? The nice thing about standards is that there are so many to choose from :( Have a look at http://papilio.cc/ http://www.ztex.de/usb-fpga-1/ http://www.sioi.com.au/shop/product_info.php/products_id/47 http://www.element14.com/community/docs/DOC-69129 http://www.opalkelly.com/products/xem6001/ http://zedboard.org/products but notice that many of the cheaper ones don't have enough ground lines near the signal lines.Article: 157367
>mnentwig <24789@embeddedrelated> wrote: >> "PMOD" and Arduino-style wings are the two "standards" I know of. > >Interesting, I wasn't aware of PMOD. That's the kind of thing I'm after, >but it seems to be limited in both pinout and speed. For instance, there's >a 100M ethernet but you have to talk to it by SPI. Likewise the only USB is >a UART. So a 'parallel PMOD' is roughly what I'm looking for. > >Theo > Hi, you could have a look at this: http://retrocade.gadgetfactory.net/index.php?n=Main.Hardware The 2nd picture shows the Papilio Pro board (with Spartan 6 LX9 FPGA), and there are three connectors with 16 GPIOs each, plus power. Two are side-by-side at the bottom. The physical placement of the three connectors is standardized (sort of). The board in the top picture, with the LCD, makes use of that. Three are a bunch of (even) smaller FPGA boards from the same vendor, and a XC6LX45 here: http://pipistrello.saanlima.com/index.php?title=Welcome_to_Pipistrello Using all three connectors provides 48 GPIOs to a stacked board. This is meant for the hobbyist market using two-layer boards. The whole thing is a hack - takes some practice to assemble the boards without bending pins - but works well enough. --------------------------------------- Posted through http://www.FPGARelated.comArticle: 157368
On Wednesday, November 26, 2014 1:01:18 PM UTC-6, Theo Markettos wrote: > Anyone know if there's a standard(ish) for simple mezzanine cards for FPG= A > boards? >=20 > I know about things like FMC and HSMC which are very 'high end' - multi > gigabit transceivers, expensive connectors. There's also Arduino, which = is > simple and low pin count, but everything is designed to talk to a dumb sl= ow > Atmega (which usually means putting another Atmega on the mezzanine card = and > talking via SPI). Or there's Raspberry Pi, but again it's assumes you ha= ve > slow I/O and things like Ethernet and USB already exist on the CPU board. >=20 > Is there anything between the two? Something like an Arduino-scale syste= m > but with a $10 FPGA in mind rather than an 8 bit micro or a $1000 FPGA. = For > instance, an 100M Ethernet PHY which is just the phy rather than a > memory-mapped MAC, and so just presents an RMII or SMII interface. Or a > USB2 ULPI PHY. Having a microcontroller on the board is OK (USB offload = is > a useful task), just drinking it through an SPI straw is not. >=20 > I found: > http://www.wvshare.com/column/Accessory_Boards.htm?1 > which seems to be cheap boards all over ebay that are rather Arduino-like > while intended for FPGAs, but there doesn't seem to be much of a communit= y > around them (in other words, they might disappear tomorrow). >=20 > Any other ideas? >=20 > Thanks > Theo If one wants something beyond Arduino and Pmod connections, one could use U= SB 3.0 extension cabling as the basis for hackable interconnect: Use the U= SB 2.0 wires for power, ground and some simple standard interface (I2C, SPI= , UART, CAN, etc). That leaves the two USB 3.0 pairs for the serial interf= ace of your own devising. With a microprocessor and/or FPGA on each end it= 's your choice.Article: 157369
On Saturday, 29 November 2014 16:58:04 UTC+1, jim.bra...@ieee.org wrote: > On Wednesday, November 26, 2014 1:01:18 PM UTC-6, Theo Markettos wrote: > > Anyone know if there's a standard(ish) for simple mezzanine cards for F= PGA > > boards? > >=20 > > I know about things like FMC and HSMC which are very 'high end' - multi > > gigabit transceivers, expensive connectors. There's also Arduino, whic= h is > > simple and low pin count, but everything is designed to talk to a dumb = slow > > Atmega (which usually means putting another Atmega on the mezzanine car= d and > > talking via SPI). Or there's Raspberry Pi, but again it's assumes you = have > > slow I/O and things like Ethernet and USB already exist on the CPU boar= d. > >=20 > > Is there anything between the two? Something like an Arduino-scale sys= tem > > but with a $10 FPGA in mind rather than an 8 bit micro or a $1000 FPGA.= For > > instance, an 100M Ethernet PHY which is just the phy rather than a > > memory-mapped MAC, and so just presents an RMII or SMII interface. Or = a > > USB2 ULPI PHY. Having a microcontroller on the board is OK (USB offloa= d is > > a useful task), just drinking it through an SPI straw is not. > >=20 > > I found: > > http://www.wvshare.com/column/Accessory_Boards.htm?1 > > which seems to be cheap boards all over ebay that are rather Arduino-li= ke > > while intended for FPGAs, but there doesn't seem to be much of a commun= ity > > around them (in other words, they might disappear tomorrow). > >=20 > > Any other ideas? > >=20 > > Thanks > > Theo >=20 > If one wants something beyond Arduino and Pmod connections, one could use= USB 3.0 extension cabling as the basis for hackable interconnect: Use the= USB 2.0 wires for power, ground and some simple standard interface (I2C, S= PI, UART, CAN, etc). That leaves the two USB 3.0 pairs for the serial inte= rface of your own devising. With a microprocessor and/or FPGA on each end = it's your choice. USB connectors have been used and missued already by some projects for the most hacking experience there is nothing but 100 mil headers Antti http:/igg.me/at/zynqArticle: 157370
- non-volatile FPGA plus FTDI USB chip - connects to an Android host mode USB port - application software in Lua, with Java interface/driver - high-level Gideros software for whizzy graphics - FPGA firmware samples, including logic analyzer in source also works on a PC - useful for reprogramming the FPGA. Everything open source. www.bugblat.com/products/fan -- TimArticle: 157371
Greetings. I am new to FPGA programming. I am seeking to create a 40-bit 80386-like CPU core with a 32-bit and 64-bit FPU with 16 registers, a 128-bit four- and two-way 32-bit and 64-bit vector FPU engine with 16 registers, 60 additional general purpose integer registers, and a six stage execution pipeline. I am wondering if somebody can guide me into which Altera product I should use for this CPU design? Thank you in advance. Best regards, Rick C. HodginArticle: 157372
rick.c.hodgin@gmail.com wrote: > Greetings. I am new to FPGA programming. I am > seeking to create a 40-bit 80386-like CPU core > with a 32-bit and 64-bit FPU with 16 registers, > a 128-bit four- and two-way 32-bit and 64-bit > vector FPU engine with 16 registers, 60 > additional general purpose integer registers, > and a six stage execution pipeline. > I am wondering if somebody can guide me into > which Altera product I should use for this CPU design? Most likely a big one. If you simplify the system somewhat, maybe only a medium sized one. -- glenArticle: 157373
On 12/1/2014 11:20 PM, rick.c.hodgin@gmail.com wrote: > Greetings. I am new to FPGA programming. I am > seeking to create a 40-bit 80386-like CPU core > with a 32-bit and 64-bit FPU with 16 registers, > a 128-bit four- and two-way 32-bit and 64-bit > vector FPU engine with 16 registers, 60 > additional general purpose integer registers, > and a six stage execution pipeline. > > I am wondering if somebody can guide me into > which Altera product I should use for this CPU design? Thank you in advance. There is some interesting software they provide for working with Altera FPGAs called Quartus. It will let you synthesize your designs and measure the size. Then you can tell what size part it will fit. No guesswork required. :) The same package has a simulator to allow you to do a lot of testing without ever buying a chip or board. So design your chip, do *lots* of simulating to verify that all the instructions work. Optimize your architecture and then, only then consider which chip you need to buy. You might want to look for one that has hardware floating point support since you plan to implement floating point. But the size words they implement may not be the size you want so you may need to do that in the fabric anyway. -- RickArticle: 157374
rick.c.hodgin@gmail.com wrote: > Greetings. I am new to FPGA programming. I am > seeking to create a 40-bit 80386-like CPU core > with a 32-bit and 64-bit FPU with 16 registers, > a 128-bit four- and two-way 32-bit and 64-bit > vector FPU engine with 16 registers, 60 > additional general purpose integer registers, > and a six stage execution pipeline. For a point of comparison, we have a 64-bit MIPS-like CPU core, with MMU, L1/L2 cache, 32-bit floating point support, capability unit (32x 256-bit registers), and a 256 bit datapath to DDR2 memory, and it runs at 100MHz in about 80% of a Stratix IV GX230 (230K LEs). Picture and numbers on page 10 here (the Stratix IV doesn't have hard floating point): http://www.cl.cam.ac.uk/research/security/ctsrd/pdfs/201406-isca2014-cheri.pdf This is not particularly optimised for size (or speed), and when you put more things on the FPGA the area usage for the CPU shrinks as the tools work harder. We're trying to make it fit in a Cyclone V SoC part (5CSXFC6D6F31C6N) but haven't yet trimmed it down sufficiently. The 10 family apparently supports hard floating point: the Stratix 10 is not available yet but the Arria 10 might be worth a look. The Arria family is also worth looking at from a cost per LE point of view: according to my graph on page 2 here: http://www.cl.cam.ac.uk/~atm26/pubs/FPL2014-ClusterInterconnect.pdf it works out somewhat cheaper LUT-for-LUT than the Stratix parts. Theo
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