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leon_sparc · LEON SPARC

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  • Members: 2242
  • Category: Hardware
  • Founded: Oct 19, 1999
  • Language: English
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Hi everybody! I am using snapgear 2.6-p42 to load linux 2.6.21.1 on my Leon3. My board is a ml509 (Xilinx). I want to connect Linux with an FSM via GPIO (FSM...
2 May 26, 2012
1:48 pm

Jan Andersson
jan_at_gaisler
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Hi, I am trying to add a module to grlib. I am using following values of the plug and play  information for this module. haddr : integer := 10; hmask :...
2 May 26, 2012
1:35 pm

Jan Andersson
jan_at_gaisler
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Hi All, ... Speed Grade: -2 Minimum period: 9.814ns (Maximum Frequency: 101.892MHz) Minimum input arrival time before clock: 8.026ns Maximum output required...
2 May 24, 2012
6:53 pm

Jiri Gaisler
jiri_gaisler
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Hi Jiri and everybody, To use the eCos together with the Leon3, I'm using the following tools available at Aeroflex Gaisler website: sparc-elf-4.4.2 ...
3 May 24, 2012
1:49 pm

brunoas457
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Hi All ! I have tried to synthesize Leon3 on Xilinx-ml510.. The design got synthesized successfully. ... ERROR:ConstraintSystem:59 - Constraint <NET "pciclk" ...
5 May 24, 2012
1:07 pm

Abdullah Shamil
electro_jackal
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Hi all, can you explain why DSU is needed in asic design to simulate RTL? In make xconfig I deactivated both JTAG boundary scan and DSU but simulation in...
2 May 22, 2012
7:12 pm

Jiri Gaisler
jiri_gaisler
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Hi, In my system configuration there are two AHB buses and processor cores on both the buses. these two buses have only a SRAM in common. (Say, one bus is less...
2 May 22, 2012
6:09 pm

Jiri Gaisler
jiri_gaisler
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Hello, When we compile the rtems-hello example attached to the sparc-rtems-4.10-gcc-4.4.6-1.2.2 cross compilation system...
4 May 22, 2012
9:51 am

Daniel Hellstrom
hedani3l
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Hello, I am working with TSIM2 for LEON3. I want to use gcov to make sure my tests are effective. I have compiled my project with the options -ftest-coverage...
3 May 22, 2012
9:28 am

ChloƩ Garcia
chloe.garcia95
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Hello everybody, I decided to use the command-module of GRMON to program flash memories of the board GR-CPCI-AT697 (memories recognized by GRMON as MT28F640J3)...
1 May 17, 2012
3:57 pm

Ricardo Moreno Ruano
leondev82
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hi everyone i have interfaced an IP core in the SRAM area upper 512 MB for ramsn(4) by changing the mask .in simulation i am able to see transaction getting...
1 May 16, 2012
9:39 am

RAJIV
ecr_bhatia
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Hi, We are using board de2-115 and linux 3.3 (with all patches released). All steps to configure both interfaces have been followed and tested. Our problem is...
3 May 16, 2012
6:43 am

mcarco2002
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Hi, Assume that I develop a DMA engine to move data from the DDR to the AHB-RAM, does this affect the cache coherency in the multi-core gaisler system...
2 May 15, 2012
3:26 pm

Jan Andersson
jan_at_gaisler
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Hi, Xilinx map always crashs when I try to build the reference design for the leon3-gr-pci-xc5v. I use grlib-gpl-1.1.0-b4108. I tried it with ISE Release 12.4...
4 May 15, 2012
2:33 pm

Jiri Gaisler
jiri_gaisler
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Can someone please explain me how to use the hcache signal properly? I have a simple AHB slave with a few memory mapped registers, but the cacheability of the...
2 May 14, 2012
1:54 pm

Jiri Gaisler
jiri_gaisler
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The sram test module works incorrect if the number of data bytes in S-record file is not equal to 16. For example, the line (generated by srec_cat -generate...
1 May 14, 2012
11:50 am

dmitrodem
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Hello leon_sparc, I still using Greth API from grlib example. I want to Receive packet from eth0, then send it to eth1. Just passing it through. Using the...
1 May 13, 2012
1:02 pm

Hilman_Mauludin
hilmatrix
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Hi all, I am deploying an application using the eCos framework and my ethernet card runs on 10M Half Duplex only. I had a look at the drive ...
1 May 11, 2012
1:57 pm

Jigar SOLANKI
jigar.solanki@...
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Are there any examples of usage of the ip cores that reside in lib/grlib/amba/at just like for amba_tb? Thanks....
5 May 10, 2012
9:08 am

dmitrodem
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Can anybody explain me why rtems gcc compiler doesn't compile a simple C source code with main? I need to adopt a rtems structured code to compile it... How...
1 May 9, 2012
11:02 am

cinquepalmiluca
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Hello, Did anyone tried to connect the greth/grethm(have MII oder RMI interface as standard) with a Serial Gigabit Media Independent Interface to a Ethernet...
1 May 9, 2012
8:11 am

Dipolt Manuel - S1110...
S1110567003@...
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What is the proper way to configure busybox and rebuild the system in linuxbuild-1.0.3?...
12 May 9, 2012
6:25 am

Konrad Eisele
konradeisele
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I have uploaded a gcc 4.6.0 toolchain at: http://developer.gaisler.net/download/bcc/ testing is welcome. -- Greetings Konrad...
6 May 8, 2012
3:13 pm

Konrad Eisele
konradeisele
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Hi, Finally I could run the LEON on Altera Stratix IV on DE4 Board (by terasic) and make use of GRMON to debug the cpu. I have some printf commands in my code....
3 May 8, 2012
9:28 am

Magnus Hjorth
magnus@...
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Hey,  Is it possible to define cacheability in a fine-grained fashion in a Leon 3 based system? The CACHED generic parameter isn't enough, because I can only...
2 May 8, 2012
8:27 am

Jiri Gaisler
jiri_gaisler
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Hi all, I have got a question on context switching. I noticed that a few RTOS would let users use this option: save minimum context (during thread switching or...
2 May 8, 2012
8:16 am

Konrad Eisele
konradeisele
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I've been trying to create a ahb to plb bridge and was looking for some simulation files for the AHB bus portion of things. I was looking around on the web and...
1 May 8, 2012
1:56 am

swsamurai@...
swsamurai...
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Hi! I'am wondering about the reason behind having icc registers at the execution stage (r.e.icc) As far as I have noticed and if I am not mistaken, these...
1 May 7, 2012
11:03 am

Abdullah Shamil
electro_jackal
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Hi, Now, in my system, I use a local instruction ram instead of the on-chip rom, with reset address is 0x00000000. I placed my program into the local instruct...
1 May 7, 2012
8:49 am

chen
nwpu_chenxc
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Hi Gaisler team, I once develop a busmatrix and integrate it in the grlib. Through simulation the plug&play can be detected " # ** Note: Stratix PLL locked to...
6 May 7, 2012
6:33 am

joker_1988_china
joker_1988_c...
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