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software OS4   software OS4 : Sam440ep_LatticeXP package available
   posted by m3x on 25-Mar-2012 12:25:16 (2823 reads)
Bassano del Grappa (Italy) - 24 March 2012

ACube Systems is happy to release a package to explore and enhance the capabilities of the LatticeXP FPGA available on the Sam440ep mini-itx and flex-atx boards.

With the manual, examples and tools of the package it's possible to implement new functionalities into the FPGA, to further strengthen your AmigaOS experience on your Sam440ep board.

The package contains:


- VHDL source code (released under GPL) of the firmware currently used on Sam440ep boards
- the original bitstream installed at the factory (to restore the original firmware)
- a porting of the VME12 utility which can reprogram, via the JTAG interface, the FPGA on the fly under AmigaOS 4.1 (*)

(*) a simple hardware modification and a cable are required

Download the Sam440ep_LatticeXP package here or from OS4Depot.
    

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vox 
Re: Sam440ep_LatticeXP package available
Posted on 25-Mar-2012 13:02:02
#1 ]
Elite Member
Joined: 12-Jun-2005
Posts: 3725
From: Belgrade, Serbia

Nice Now we need to know what is feasible with SAM 440 FPGA


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Belxjander 
Re: Sam440ep_LatticeXP package available
Posted on 25-Mar-2012 14:24:57
#2 ]
Cult Member
Joined: 4-Jan-2005
Posts: 557
From: Chiba prefecture Japan

@vox,

Any VHDL or Verilog Program able to be compiled into an image loadable for a Lattice XP2 FPGA...

and that is quite a collection of things (even possibly a full 680x0 CPU option)

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mbrantley 
Re: Sam440ep_LatticeXP package available
Posted on 25-Mar-2012 14:28:57
#3 ]
Cult Member
Joined: 10-Jun-2010
Posts: 524
From: Mobile, Alabama, United States

Thanks, ACube, for supporting all your hardware (and customers) -- from the oldest to the newest.


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Templario 
Re: Sam440ep_LatticeXP package available
Posted on 25-Mar-2012 17:47:45
#4 ]
Elite Member
Joined: 22-Jun-2004
Posts: 3424
From: Palencia (Spain)

Thanks, but we need the sound drivers for the Sam 460 too.


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MacMini 1.5 GHz + MorphOS 3.12
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Skuggan 
Re: Sam440ep_LatticeXP package available
Posted on 25-Mar-2012 17:57:38
#5 ]
Regular Member
Joined: 10-May-2010
Posts: 165
From: Sweden

This is really a big step in the right direction.
Now lets explore this thing.
Keep up the good work.

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KimmoK 
Re: Sam440ep_LatticeXP package available
Posted on 25-Mar-2012 18:31:35
#6 ]
Elite Member
Joined: 14-Mar-2003
Posts: 5147
From: Ylikiiminki, Finland

For further readings...
http://www.latticesemi.com/products/fpga/xp2/

And a old thread:
http://amigaworld.net/modules/newbb/viewtopic.php?topic_id=27379&forum=33


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//
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meet.mrnrg 
Re: Sam440ep_LatticeXP package available
Posted on 25-Mar-2012 23:33:12
#7 ]
Super Member
Joined: 5-Feb-2007
Posts: 1919
From: UK, AUS, US

@Everyone
Screen grabs, and a few Youtube videos of this setup would be nice.


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robo-ant 
Re: Sam440ep_LatticeXP package available
Posted on 26-Mar-2012 1:22:04
#8 ]
Regular Member
Joined: 3-Feb-2008
Posts: 190
From: The anthill to the west of the silver maple

Wow! Cool!

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marko 
Re: Sam440ep_LatticeXP package available
Posted on 26-Mar-2012 2:12:03
#9 ]
Super Member
Joined: 17-Dec-2007
Posts: 1794
From: Gothenburg, THE front side of Sweden ;), (via Finland), EU

Yay, thanks! Cool!!


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g0blin 
Re: Sam440ep_LatticeXP package available
Posted on 26-Mar-2012 8:27:29
#10 ]
Cult Member
Joined: 31-Mar-2009
Posts: 642
From: Unknown

Grazie ACube!

If I only knew what we are talking about...... I gotta study harder.

g0blin


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Cass 
Re: Sam440ep_LatticeXP package available
Posted on 26-Mar-2012 9:54:21
#11 ]
Regular Member
Joined: 18-Nov-2003
Posts: 478
From: Athens, Greece

Great support for great products!
Grazie di tutto Max!


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samo79 
Re: Sam440ep_LatticeXP package available
Posted on 26-Mar-2012 12:09:02
#12 ]
Elite Member
Joined: 13-Feb-2003
Posts: 3384
From: Italy, Perugia

Interessante, grazie Max


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Sam440ep Flex 800 Mhz 1 GB Ram + AmigaOS 4.1 Update 6
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pavlor 
Re: Sam440ep_LatticeXP package available
Posted on 26-Mar-2012 15:23:10
#13 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9010
From: Unknown

Nice!

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A1200 
Re: Sam440ep_LatticeXP package available
Posted on 27-Mar-2012 2:06:05
#14 ]
Elite Member
Joined: 5-May-2003
Posts: 2972
From: Westhall, UK

I will be trying this when I get chance. Thanks!


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Zylesea 
Re: Sam440ep_LatticeXP package available
Posted on 27-Mar-2012 21:58:55
#15 ]
Elite Member
Joined: 16-Mar-2004
Posts: 2160
From: Ostwestfalen, FRG

Albeit it took quite a while that's cool news. An FPGA is IMHO way more intersting and versatile than a random ÁC. With 20k cells the capacity of the Lattice XP is big enough for quite some things.


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olegil 
Re: Sam440ep_LatticeXP package available
Posted on 30-Mar-2012 13:05:16
#16 ]
Elite Member
Joined: 22-Aug-2003
Posts: 5887
From: Work

20k cells? It's got 6k LUT4s, from what I can see (the code builds for LFXP6C).

6k isn't a lot, but yes, you can do some things. I'm guessing from the code that the FPGA has a 16 bit databus with 4 address pins and a chip-select going to the CPU and that it has a large IO connector you can connect to? At top level, there is PDATA (0 to 15), PADD (27 to 30) and something called LINK(0 to 79) which isn't even used.

GPIO including cool things like detecting and/or counting pulses that you couldn't poll for directly) immediately springs to mind. Amiga joystick is trivial, mice is easy and even keyboard shouldn't be too difficult if you have enough clock resources. At a stretch, Amiga floppy. Maybe CIA timers. Paula uses DMA for sound so that's out of the question. Clock port could be nice, maybe?

If I had a Sam, I would try to start with Amiga joystick (as this is simply GPIO) and mouse (quadrature decoder to give a simple count that a driver could read much like on the Amiga) support, and extend the number of registers. If you add an address register to go with the user register, you could have a small memory map that requires two cycles for a read or write. But for this you would need to block any other thread from accessing the FPGA until your two-cycle operation is completed.

http://www.allpinouts.org/index.php/Mouse/Joystick_Amiga_9_pin
http://www.fpga4fun.com/QuadratureDecoder.html
(so in essence, wire it up for a 9 pin joystick and add an X and Y counter register alongside the direct input state register). To avoid damage, some external circuitry is needed to handle ESD and over voltage. Nothing fancy, RS422 transmitters and receivers are very good at this. Wire one pin of a 3.3V supplied ESD protected differential receiver to ~2.5V, this turns it into a schmitt trigger. A 5V receiver can also be used, but needs a dampening resistor between it and the FPGA pin. For outputs, a 5V ESD protected differential driver can give you positive and negative versions directly from a single FPGA pin. And should normally work with a 3.3V FPGA driving it.

Last edited by olegil on 30-Mar-2012 at 01:06 PM.


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AliveMOon 
Re: Sam440ep_LatticeXP package available
Posted on 16-Sep-2013 19:51:48
#17 ]
Member
Joined: 10-Jan-2008
Posts: 64
From: Hungary

I would like to ask some information from the Sam440ep Flex FPGA physical connection.

I like use:

LINK : inout STD_LOGIC_VECTOR(79 downto 0);

But there is nothing information about her in the release pack, which can be assign pin?

I was able to find out those pin are connected to, which has its diamond shaped marked:



Diamond related assign pin:

LOCATE COMP "PCI_MSK" SITE "A14" ;
LOCATE COMP "ETH0_LED_ACT" SITE "B11" ;
LOCATE COMP "ETH0_RST" SITE "A15" ;
LOCATE COMP "ETH0_LED_SP" SITE "A9" ;
LOCATE COMP "ETH0_LED_LNK" SITE "B10" ;
LOCATE COMP "ETH0_LED_FD" SITE "B12" ;
LOCATE COMP "ETL0_1" SITE "B13" ;
LOCATE COMP "ETL0_2" SITE "B15" ;
LOCATE COMP "ETH1_RST" SITE "B9" ;
LOCATE COMP "ETH1_LED_SP" SITE "C10" ;
LOCATE COMP "ETH1_LED_LNK" SITE "C11" ;
LOCATE COMP "ETH1_LED_ACT" SITE "C12" ;
LOCATE COMP "ETH1_LED_FD" SITE "C13" ;
LOCATE COMP "ETL1_1" SITE "C8" ;
LOCATE COMP "ETL1_2" SITE "C9" ;
LOCATE COMP "VOLUMEUP" SITE "D10" ;
LOCATE COMP "VOLUMEDOWN" SITE "D11" ;
LOCATE COMP "HD_LED" SITE "D12" ;
LOCATE COMP "SATA_LED0" SITE "D9" ;
LOCATE COMP "SATA_LED1" SITE "E10" ;
LOCATE COMP "SATA_LED2" SITE "E11" ;
LOCATE COMP "SATA_LED3" SITE "F12" ;
LOCATE COMP "PADD_27" SITE "N15" ;
LOCATE COMP "PADD_28" SITE "N16" ;
LOCATE COMP "PADD_29" SITE "P15" ;
LOCATE COMP "PADD_30" SITE "P16" ;
LOCATE COMP "PDATA_0" SITE "D15" ;
LOCATE COMP "PDATA_1" SITE "H14" ;
LOCATE COMP "PDATA_2" SITE "G15" ;
LOCATE COMP "PDATA_3" SITE "G14" ;
LOCATE COMP "PDATA_4" SITE "G13" ;
LOCATE COMP "PDATA_5" SITE "G12" ;
LOCATE COMP "PDATA_6" SITE "H13" ;
LOCATE COMP "PDATA_7" SITE "H12" ;
LOCATE COMP "PDATA_8" SITE "H15" ;
LOCATE COMP "PDATA_9" SITE "F15" ;
LOCATE COMP "PDATA_10" SITE "F14" ;
LOCATE COMP "PDATA_11" SITE "F13" ;
LOCATE COMP "PDATA_12" SITE "E15" ;
LOCATE COMP "PDATA_13" SITE "E14" ;
LOCATE COMP "PDATA_14" SITE "C16" ;
LOCATE COMP "PDATA_15" SITE "B16" ;
LOCATE COMP "PCS3" SITE "C15" ;
LOCATE COMP "CLK50_FPGA" SITE "F16" ;
LOCATE COMP "PRW" SITE "G16" ;
LOCATE COMP "USW0" SITE "M11" ;
LOCATE COMP "RTC_RST" SITE "P11" ;
LOCATE COMP "RTC_WDI" SITE "P12" ;
LOCATE COMP "POE" SITE "T12" ;
LOCATE COMP "UART_CTS" SITE "R15" ;
LOCATE COMP "UART_DSR" SITE "R14" ;
LOCATE COMP "UART_DCD" SITE "R13" ;
LOCATE COMP "RS232_CTS" SITE "R10" ;
LOCATE COMP "RS232_DCD" SITE "R12" ;
LOCATE COMP "RS232_DSR" SITE "R11" ;
LOCATE COMP "RS232_FORCEOFF" SITE "T15" ;
LOCATE COMP "CCTALK_SHDN" SITE "T14" ;
LOCATE COMP "CLK66_FPGA" SITE "G3" ;
LOCATE COMP "PPC_TRST" SITE "B7" ;
LOCATE COMP "TMR_CLK" SITE "A4" ;
LOCATE COMP "G_RESET" SITE "C5" ;
LOCATE COMP "DEBUG_TRST" SITE "A5" ;
LOCATE COMP "FPGA_IRQ" SITE "C7" ;
LOCATE COMP "RST_PB" SITE "D6" ;
LOCATE COMP "PIC_GP0" SITE "E6" ;

Last edited by AliveMOon on 16-Sep-2013 at 07:59 PM.
Last edited by AliveMOon on 16-Sep-2013 at 07:56 PM.


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