Dear jiri, I am adding the core I2C slave in our template design (leon3-gr-pci- xc5v). I use the following procedure using Xilinx ISe web pack 10.1. 1. First i...
... You should set pindex, paddr, pmask and pirq to values that are unique. pindex 1 is occupied by the uart and that is why you get the error message below. ...
Hi, I'm trying to build a system with 4 leon3 sharing a grfpu on a GR-CPCI-XC4V board. I basically started the leon3-gr-cpci-xc4v design included in GRLIB, ran...
Hi all, I've just updated my ISE to SP3, and I'm using grlib-gpl-1.0.19-b3188. After "make scripts", I directly open "leon3mp.npl" with ISE10 to do the...
Hi Jan, Thanks fore reply. I m using GRLib 1.0.19-b3188, and ModelSim SE 5.8. I have not changed boot code, only done small modification in systest.c (added...
Jiri, I'm a little new to working on these boards. Could you explain where I need to set these pins? I'm using a PC-IV to download the bit file onto the board....
Hi, I have found that LEON's GRLIB comes with an SPI controler. Is there any support in snapgear distro to attach an SD card via this SPI controller? Thank...
... Hi, As far as I know, MMC over SPI[1] support was added in 2.6.24 and our SnapGear distro comes with linux 2.6.21.1. It is possible that there is some...
The mode pins (M[2:0]) are described in the Virtex2 data sheet. They might be possible to change through jumper on your board, check the manual or schematics....
Hi, Now, I can successfully run the hello_world.O2, but fail to run dhry.O2. Can you help me. Thanks ... hello_world.O2, Grmon print ... grlib> load...
Which board are you using? The frequency seems rather high: initialising ....... detected frequency: 80 MHz Did you meet all timing constraints? I have never...
Adding puts() to systest will not works since the text would be sent to the UART and simulate very slowly. You cannot use AHBRAM for systest either, since the...
A new release of SnapGear Linux for LEON is available at www.gaisler.com. ftp://ftp.gaisler.com/gaisler.com/linux/linux-2.6/snapgear/snapgear-2.6-p37.tar.bz2 ...
Hi, Jiri This is a XC4VLX80C12 board. I reduce the frequency to 40M, and all constraints are met. No ERROR happen, but it always stop at ¡°Str_Comp:¡± ... ...
Looks good to me, except that the Drystone doesn't quite finish. This could be the cache issue described in the documentation of the T1 software package. Try...
I installed RCC-1.1.1 in kubuntu 8.04 and I have the following error when running sparc-rtems-gdb: #> sparc-rtems-gdb sparc-rtems-gdb: error while loading...
... I don't know if this is the most robust solution but i would try ln -s /path/to/libreadline.so.5 /path/to/libreadline.so.4 This creates a symbolic link...
Hello, I'm starting using leon for some new experimental research and I'd like to find some information that I cannot find in manuals. In particular, I'd like...
After a flush, all entries in the icache and dcache are invalidated, and the tag address is cleared. Accessing a location that was present earlier in the cache...
Yes, thank you. in (k)ubuntu 8.04 x86 works with: ln -s /lib/libreadline.so.5 /lib/libreadline.so.4 ln -s /usr/lib/libexpat.so.1 /usr/lib/libexpat.so.0 but in...
... But "all entries" means all touched by the flush or all presente in icache? From the v8 manuals I understood that only the one touched by the flush will be...
... All contents of the caches will be invalidated by a flush. ... Yes, leon3 differs here by flushing the whole cache rather than just a line. Jiri....
Have someone tried to have a native gcc on board with snapgear linux? I think this could be useful for compilng large applications such as MySQL 5.0 or 4.1,...
... The easiest way is probably to run another distribution from nfs or other backing storage (see SnapGear manual for options). For example: You can run the...
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