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[/] [minsoc/] [trunk/] [doc/] [minsoc.pdf] - Rev 12

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12 1) spi_top.v:
-TX_NEGEDGE bug reported and recommended solution by Blaise Gassend. (Thank you)
2) minsoc howto extended to:
-synthesis of minsoc for Spartan3E Starter Kit with Ethernet
3) spartan3e_starter_kit.ucf changed:
-it had problems regarding pin definitions and IO logic types for mapping and place&route. Working flawless now.
rfajardo 3977d 18h /minsoc/trunk/doc/minsoc.pdf
6 No implementation relevant changes.

Testbench used generic memory from minsoc_onchip_ram.v has been changed to reflect the correct model of the FPGA's onchip rams: address register and write accesses are sensitive to rising clock edge.

Documentation updated to reflect another trial and next steps to speed up the memory access from 2 clocks to 1. The negated clock approach is not standard. The right way to do it would be to use the wishbone signals cti and bte and change the minsoc_onchip_ram_top.v.
rfajardo 4010d 03h /minsoc/trunk/doc/minsoc.pdf
5 vpi path corrected in how to. rfajardo 4016d 02h /minsoc/trunk/doc/minsoc.pdf
4 minsoc_bench.v had a big memory declaration to load the firmware, which was not necessary.

jp-io-vpi.vpi has to be compiled for different systems so removed from the project. Documentation now explains how to do it.

Documentation now includes:
-vpi module compilation
-gdb patch for adv_jtag_bridge
-ideas for future work on minsoc (To Do v.2)
rfajardo 4016d 02h /minsoc/trunk/doc/minsoc.pdf
3 Changed documentation
-advice to compile sw/utils before compiling target software
rfajardo 4020d 00h /minsoc/trunk/doc/minsoc.pdf
2 First commit of project. Beta status:
-testbench: working
-firmware: working
-RTL: Working for: Xilinx Spartan-3A DSP Development Kit
rfajardo 4020d 01h /minsoc/trunk/doc/minsoc.pdf

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