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[/] [amber/] [trunk/] [hw/] - Rev 70

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Rev Log message Author Age Path
42 Added write buffer - fixes bug if wishbone writes takes multiple cycles to complete csantifort 4759d 14h /amber/trunk/hw/
41 Added instructions on how to use Coregen to create the Spartan-6 DDR3 memory interface. csantifort 4760d 22h /amber/trunk/hw/
40 Added wishbone bus jitter testing option.
Cleaned up waveform log .do files, now seperate files for a23 and a25 cores.
Added vmlinux executable elf file for running on hardware.
csantifort 4765d 15h /amber/trunk/hw/
39 Added a second level of buffering to a25_wishbone_buf to fix a lockup
bug when write acks to not return immediately, and also to improve performance slightly
csantifort 4766d 15h /amber/trunk/hw/
38 support 128-bit wishbone now used for a25 core csantifort 4767d 15h /amber/trunk/hw/
37 128-bit wide boot memory module csantifort 4768d 14h /amber/trunk/hw/
36 Changed boot_mem for the a25 system to be 128 bits wide to match the 128-bit wide wishbone bus csantifort 4768d 14h /amber/trunk/hw/
35 Amber25 improvements:
Use 128-bit wishbone bus, instead of 32-bit to reduce cache miss fetch times
Use a fast barrel shifter for shifts between 0 and 4 to improve timing
Use a 2 cycle full barrel shifter for complex shifts
csantifort 4769d 22h /amber/trunk/hw/
32 Added clock cycle counting register to test_module to support dhrystone performance measurement csantifort 4772d 15h /amber/trunk/hw/
30 Bug fix - a write access was sometimes dropped when it was in a sequence of writes with variable wb_ack delays csantifort 4785d 22h /amber/trunk/hw/

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