Hi all , I need a leon.ucf for xcv800 board. this file will help me to assign fpga's pins of virtex xsv800 with leon's signals.i work with leon2-1.0.2a. ...
yassine aoudni
aoudni_yassine@...
Jan 2, 2003 3:03 pm
2938
Yeap, the LEOX project is still alive. Just postponed for several months due to the fact that I was working in a foreign country. ... Now printf, done by a...
The LEOX team
lpm@...
Jan 3, 2003 1:24 pm
2939
I have uploaded a modified version of leon2-1.0.9 that allows synthesis with the Xilinx XST synthesis tool. Download from: ...
Hi! everyone, I try to add a master on the AHB, this master would access the main memory. My problem is : When I simulated the Leon, my master asserted the...
Hi, The arbiter would not be able to grant bus to lower priority processors because arbiter by default using a simple priority base grant. If the arbiter grant...
Hello, I have attached target specific memory models (ram) to the LEON. Simulation with boot option set to prom works fine, I get the boot message even though...
Hi, I'm using Leon2 1.0.9 in a design to run on the ADM-XRC Board (at present just in Modelsim). I've added a Mailbox-Register to store the RAM startaddress...
Hi all: I use sparc-rtems-gdbtk to replace sparc-rtems-gdb in cygwin .But when I load the program ,the tsim-leon disconect the request. does any one gdbtk(in...
Taylor Su
mtsu15@...
Jan 9, 2003 1:47 am
2946
Hi all: Where and how can i license Meiko FPU? Does it have a royalty fee? What's the cost? Thanks a lot! Heng...
Running LEON.TCL script on Leonardo 2002b.21 Level 3 I found some errors during DEVICE.VHD reading. After some trials and newsgroup searching, probably I found...
Hello, I've succesfully implemented the leon onto a custom-board, and am able to connect to the DSU. Now I'm trying to get the SDRAM up and running,...
Hello, I checked the sdclk signal, and it's inverted in respect to the system clock. This is logical, as the inverted SDRAM clock option is checked in the...
hi all i have a problem in installing the LEON to the fpga, how to do and how to know that is functionnal, also i want to install an application on fpga to be...
mehdi ben abderrahmen
mehdi_frd@...
Jan 13, 2003 4:02 pm
2952
The latest release of leon2 is available at: http://www.gaisler.com/bin/leon2-1.0.10.tar.gz The equivalent XST-synthesiable version is available at: ...
Hi Jiri, we have just downloaded the Leon2-1.0.10-xst version. At present, we need the following LEON configuration: - DSU present - PCI absent - AHB RAM...
The AHB ram was intended to be used if no external ram was availble, that is why it was put on 0x40000000. Your change is fine if you also want to access...
... Hi Jiri, The XST version seems to synthesis and P&R OK. I installed the free WebPack 5.1 + SP3, change the ucf specified clock to 40 ns and remove the pin ...
Hi, Recently, I found that the c-library in rtems is useful for writing test code. I can print the message from com port just writing the normal C program ... ...
I forward this from the rtems-list, in case somebody is using rtems and this particular call. Jiri. ... Subject: rtems_io_lookup_name has problems. Date: Wed,...
Hello all, I managed to solve the SDRAM problem: When connecting all signals to the SDRAM chips, I assumed that all active low signals ended on "n" like...
The SDDQM signals has the polarity which expected by a standard PC100/PC133 SDRAM. Did you need to change the polarity to get the signal to work with your...
Jiri, I didn't need to change the polarity to get the SDRAM working. The problem was caused by the routing of the FPGA-developement-board I'm working on. I...
Hi Group, I was debugging a problem with the SDRAM on my AVNET-xcv300 board. The SDRAMs on this board is 1M x 16bit x 4banks x 2chips. The Address multiplexing...
Hi: In LEON source code i see dma.vhd, but in "The Leon 2 Processor User's Mannul" does not mention DMA at all. Does LEON2 support DMA? Thanks a lot!...
You must change and advance the source code dma.vhd. It is needed to understand about ahb mechanism. Especially ahbi.hready, ahbi.hgrant, ahbo.hbreq ... If you...
In order to embed a LEON processor in a larger system with embedded RAM, it would be useful to replace all the bidirectional I/O with the corresponding...
Hi, My name is Heinz and I am new to this group. I tried to synthesize and P&R the VHDL files for the leon, using Synopsys FPGA Compiler II Version: ...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
