My ModelSim does not support "-o5". However, the error persists even after removing "-o5", something strange here... bash-2.05b$ make vsim cd leon; make ...
In eth_oc.vhd, change the following lines: if dmao.active = '1' and dmao.ready = '1' then ack_o := '1'; if v.start = '0' then v.ahbmst_state := respond; end...
Try to run the vcom command manually and without -quiet, to see which error messages it prints. Jiri. ... -- ... Gaisler Research, Första Långgatan 19 S-413...
Hi all, I am looking foward to understand the codings, and structures (including testbench) of LEON II, Have any suggestion how can I start ? Thank you jimmy...
The leon coding style is described in this paper: http://www.gaisler.com/doc/vhdl2proc.pdf There is no architectural design document for leon, other than the...
Hello Jiri and all, I was wondering about SpaceWire IP solution for LEON, as a possible future user. I know that ESA (will) provide(s) a SpaceWire VHDL IP...
Stephane Davy
stephane.davy@...
Jul 1, 2004 12:11 pm
5278
I am still trying to get Leon using my SRAM-SDRAM, but I get very strange results. In fact when I run grmon with the "-i" option no sdram/sram is found and ...
Michele Portolan
michele.Portolan@...
Jul 1, 2004 2:48 pm
5279
It still looks to me as if your Ram is not connected up properly. If DSUMON/GRMON probes the memory and gets incosistant/incorrect responses then it will...
... Seems so. Schematics give the the 32-bit SRAM tied to A<0:18>, CE#,WE# and OE#, so i connected them to address<20:2>, ramsn<0>,writen,ramoe<0> ...
Michele Portolan
michele.Portolan@...
Jul 1, 2004 3:55 pm
5281
Thank you everyone for discussion on options affecting the timing benchmarks. After checking each option, compiler optimization was large determinant....
... In Leon2-1.0.22 or maybe 1.0.23 an option was added: Memory controller/Separate Address and Data busses This was added to allow the address and data busses...
... You must connect BS correctly according the data sheet of the sram you are using, or it will definitively not work. The BS must be tied active, i.e. to...
... VHDL ... I introduced the wrapper to overcome some little difference that were really annoying: - I have only a push button, so I need an eneity to...
Michele Portolan
michele.Portolan@...
Jul 2, 2004 7:31 am
5285
... I wired all four BS to '0', so theoretically it should work. On the other hand There is something odd with register mcfg2. Thta is the value I get from...
Michele Portolan
michele.Portolan@...
Jul 2, 2004 8:39 am
5286
... You use the wmem command wrongly. The syntax is : wmem <addr> <data> Jiri. -- ... Gaisler Research, 1:a Långgatan 19, 413 27 Goteborg, Sweden,...
Thanks, I checked it out. The vaule I have is 0x63802020. Decomposing it I find: 0x6 3 8 0 2 0 2 0 0100 0011 1000...
Michele Portolan
michele.Portolan@...
Jul 2, 2004 9:31 am
5288
... This would indicate that your address bus is static, so you always read and write the same address. However, you seem now to be able to read and write to...
... Yea, at least something is moving, even if slowly! By the way, I have a question related to a previous post of yours: you advised me to use rwen<0> for my...
Michele Portolan
michele.Portolan@...
Jul 2, 2004 10:03 am
5290
If you set the read-modify-write bit in mcfg2, then all rwen will always be active, and you can safely use only one. Jiri. ... -- ... Gaisler Research, 1:a...
... structures ... 317758650 ... Thank you, On page 45, counting from the bottom to the top, line 13, ... r.cval Am I correct or not ? best regards, jimmy...
... Yes, this is a typo. Thanks, I will update the document. Jiri. -- ... Gaisler Research, 1:a Långgatan 19, 413 27 Goteborg, Sweden, +46-317758650 fax:...
The change solved the problem, but a new one arised a little later, again caused by a retry response. This time the problem seems more "AMBA related". I have...
Hi When compiling programs using GNU tools provided with LECCS, I can use appropriate switch to develop applications for RTEMS. But I am using eCos as the OS...
You can use leccs to compile eCos applications, but not directly through a switch to sparc-rtems-gcc. eCos provides its own makefiles which compiles and links...
Could you upload a snapshot that also includes the ahbsi signal? I need to see which signals that actually reaches the slaves to determine where the problem...
Jiri, I have found a small problem in irqctrl2.vhd, when both "regs" processes in line 172 and 176 drive ir.ireg, that is when TMRREG=false and IRQ2TBL(i) >...
Hello to all Two-Process-Developers, we are tired of the copy-and-paste of the code for the Two-Process-Method. Thus, we have written a small but very useful ...
Yes, the regs process should be something like: regs : process(clk(0)) begin if rising_edge(clk(0)) then ir.imask <= irin.imask; ir.ipend <= irin.ipend; ir.irq...
hi! is there an archive with older leon2-releases available? we need to make a diff to the original 1.0.21-xst version but unfortunately we don't have a local...
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