The original functionality of the reset bit is that the ethernet core stays reset until the bit is cleared (by software). The linux driver also assumes this ...
At 66 MHz, you will get 266 Mbyte/s peak transfer rate (4 bytes * 66 MHz). The actual rate will depend on master and slave latency, 90 Mbyte/s is by no means...
Hi LEON users, The Institute for Infocomm Research has fabricated a test chip based on LEON2-v1.0.7 on TSMC 0.25um process. More information can be found at: ...
Hi Daniel, I was wondering would you be able to share with the group any major issues you had with bringing LEON from the open source VHDL supplied from...
... Leon is SPARC V8 certified, and listed at www.sparc.org. This should remove your doubts on compliance ... Jiri. -- ... Gaisler Research, Stora Nygatan 13,...
Hi Dave, There weren't any major issues pertaining to the open-source nature of the LEON. But we did experiment with it for a while in FPGA and let the code...
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Taylor Su
mtsu15@...
Aug 7, 2003 6:06 am
Hi all: Anyone use gdbserver for leon sucessfully? did gdbserver support SPARC ? [Non-text portions of this message have been removed]...
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Michele Portolan
michele.Portolan@...
Aug 7, 2003 12:01 pm
Hi everyone, I'm trying to implement LEON on an Altera Excalibur, connecting it to the on-board DPRAM. For this I must convert the 3-signal (RAMOEM, RWEN,...
Hi, I'm trying to synthesize Leon on a xc2v8000 part using Xilinx ISE on a Solaris machine. I've searched through the group but have been unable to figure out...
Try the following steps: 1. Configure the model using 'make xconfig dep' Do not enable the FPU or MMU if you will use XST for synthesis. 2. cd to syn/xst and...
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The LEOX team
lpm@...
Aug 7, 2003 10:11 pm
... Usually gdbserver is used to debug a userland application running onto a UNIX Operating System such as Linux. So you don't have to care about the port of ...
Hi everyone, I'm trying to implement uClinux for LEON and I found some issues about the vfork() in linux-2.0.x/arch/sparcnommu/platform/LEON- 2.x/entry.S. I...
Hi everyone, I need to use the DCM of virtex II, so I configure a 2x DCM for clock generation, but after implementing to the FPGA, the clock seems not work,...
We want to create a different cache table to the default. However, I notice that the table PROC_CACHETABLE only seems to be referenced during an AHB bus...
In the -xst model, change the is_cacheable function in macro.vhd . Jiri. ... -- ... Gaisler Research, Stora Nygatan 13, 41108 Goteborg, Sweden, +46-31802405 ...
I'm using Jiri's LEON development board with 1 MByte SRAM, 16 MBytes SDRAM. stdout is connected to additional RS-232 "hello.c" runs fine for SRAM: mkprom -freq...
Reading LEON-2 XST User's manual Version 1.0.18: Page 77, section 13.3.2 AHB cache aspects "Since no MMU comes with LEON,..." but the XST does have n MMU ...
Try the following options: mkprom -nosram -sdram 16 -freq 40 -baud 38400 -col 8 If it doesn't work, let me know since this would indicate the the mkprom...
Just to add a bit of clarification to Jiri's answer... 1: Make sure that you are using the mkprom 1.3.8 which is distributed with leccs-linux-1.1.5.3.tar.gz /...
Hello Can anyone tell us how to build RTEMS applications using LECCS WITHOUT ADDING -rtems switch. LECCS manual says that this switch is used by the ...
Thanks a lot, Jiri & Richard. The "-col 8" option was the key to success. I noticed the "col bits: 8" report from DSUMON, and desperately tried "-ramwidth 8"...
... By omitting the -nosram bit, both sram and sdram will be enabled. The sram will start at 0x40000000 and the sdram at 0x60000000. You should use the -stack...
Don't use leccs at all. Download and install the sparc tool-chain from www.rtems.com and use the standard method to compile rtems and applications. Leccs is...
This text is obviously outdated, will be fixed in the next release. Thanks, Jiri. ... -- ... Gaisler Research, Stora Nygatan 13, 41108 Goteborg, Sweden,...
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anand_12
anand_12@...
Aug 14, 2003 12:38 pm
I have the following tool binaries installed on my linux machine : rtems-base-binutils-2.13.2.1-2.i686.rpm sparc-rtems-binutils-2.13.2.1-2.i686.rpm ...
... The RTEMS distribution does not use the -rtems switch. I suggest downloading the examples-4.6.0pre4 package from RTEMS and looking at the hello-world ...
Yes, thanks, it works with setting -stack 0x400FFFF0. Then I have the SRAM for code, data, heap and stack and the SDRAM used as hard addresses. But what...
Leccs compiles the application to run from 0x40000000, and mkprom will just load it there and start it. So the stack at 0x400ffff0 seems logical to me ......
I want to boot LEON from internal rom and I setup LEON just as the way it is. However, I found out that inside bprom.vhd. There are a lot of when statements...
