Ross Thompson
f4c221f20a
Created separate memory interface for the ddr4 fpga memory from the soc internal memory dtim.
2021-11-17 12:47:19 -06:00
Ross Thompson
7497422667
Changed several things.
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Removed the need to use async flip flops in SDC.
Added arrs, a synchronizer for reset.
I think this works with the real FPGA hardware.
The last build did not include this arrs but it worked.
2021-11-12 11:13:50 -06:00
Ross Thompson
81054d9168
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
Ross Thompson
32f0b97cd3
Updated uncore to use sdc.
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Fixed bug with fence instruction not correctly clearing dirty bits in d cache.
2021-10-25 14:07:44 -05:00
Ross Thompson
d11136c406
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
bfe633d087
Partially working sd card reader.
2021-10-11 10:23:45 -05:00
Ross Thompson
047bbcf3d7
updated fpga wavefile.
2021-10-03 12:14:22 -05:00
Ross Thompson
e9135f1fd5
Added fpga wave file.
2021-10-03 11:56:11 -05:00
