Ross Thompson
8bb3d51aad
Added generate around the dtim preload.
...
Added readme to explain FPGA.
2021-12-07 13:12:47 -06:00
Ross Thompson
517cae796c
Fixed more constraint issues in fpga.
...
Added back in the ILA.
Design does not work yet. Stil having issues with order of automatic
clock and I/O constraint ordering.
Added back in the preload for the boottim.
2021-12-05 15:14:18 -06:00
Ross Thompson
74ffb48c0a
Mostly integrated FPGA flow into main branch. Not all tests passing yet.
2021-12-02 18:00:32 -06:00
Ross Thompson
e43aa6ead4
Merge branch 'main' into fpga
2021-11-29 10:06:53 -06:00
Ross Thompson
2f4ee26b60
Fixed issue with dtim (fpga) external abhlite select not triggering.
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Setup the bootloader (bios.s) to copy 127MB and blink LEDs for 5 seconds with 1 second period.
2021-10-25 14:51:54 -05:00
David Harris
d0aa6911ff
random lint cleanup
2021-10-23 11:24:36 -07:00
David Harris
2abec36221
Lint cleanup
2021-10-23 09:58:52 -07:00
Ross Thompson
77a89c30de
Fixed bug with the external memory region selection.
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Updated bios program to copy just 127MB to dram.
2021-10-19 11:23:23 -05:00
Ross Thompson
c90d129498
Fixed boot loader program to start at correct address.
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modified script which converts the ram.txt into preload text file for sdc simulation.
created script to convert ram.txt into binary to write to flash card.
added top level for solo sd card fpga.
2021-10-11 17:22:23 -05:00
Ross Thompson
f2c1ca4bd5
added support to due partial fpga simulation.
2021-09-26 15:00:00 -05:00
Ross Thompson
d4f514010d
Changes to make fpga synthesizable.
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Added preload to test simple program on wally in fpga.
2021-09-22 10:54:13 -05:00
David Harris
b5df9b282d
Added support for PMP lock bits in csrm and repartitioned design to pass around 8-bit PMPCFG entries
2021-07-04 11:39:59 -04:00
Kip Macsai-Goren
1485d29dde
Light cleanup of signals, style. Changed several signals to account for new Phys Addr sizes as opposed to HADDR.
2021-06-24 20:01:11 -04:00
David Harris
c3d106f0f0
Removed two cycles of latency from the DTIM
2021-06-10 10:30:24 -04:00
David Harris
9dd3857c26
Fixed lint WIDTH errors
2021-06-09 20:58:20 -04:00
Ross Thompson
7f12c7af90
Switch to use RV64IC for the benchmarks.
...
Still not working correctly with the icache.
instr
addr correct got
2021-04-07 19:12:43 -05:00
bbracker
d52c71086a
added 1 tick delay to dtim flops
2021-03-25 02:23:30 -04:00
bbracker
df51d9908d
AHB bugfixes and sim waveview refactoring
2021-03-18 18:25:12 -04:00
bbracker
63bfd79009
slightly smarter dtim HREADY
2021-03-13 06:55:34 -05:00
David Harris
fe4d288589
Initial untested implementation of AMO instructions
2021-03-11 00:11:31 -05:00
bbracker
62dd9e3075
first merge of ahb fix
2021-03-05 14:24:22 -05:00
Noah Boorstin
cfcd7d1518
busybear: make imperas tests work again
2021-03-04 22:44:49 +00:00
Noah Boorstin
b3247eadd2
busybear: more adapting to new memory system
2021-03-01 18:50:42 +00:00
Noah Boorstin
2769b147cb
busybear: add 2nd dtim for bootram
2021-02-28 16:08:54 +00:00
David Harris
cc42655789
More memory interface, ALU testgen
2021-02-15 10:10:50 -05:00
David Harris
33110ed636
Data memory bus integration
2021-02-07 23:21:55 -05:00
David Harris
9f9c3bcece
Changed DTIM latency to 2 cycles
2021-02-02 14:22:12 -05:00
David Harris
07af481b67
Reorganized src hierarchically
2021-01-30 11:50:37 -05:00
