Commit History

Author SHA1 Message Date
  H. Peter Anvin 03019163e4 spirom: revert uploader to arbitrary 8*n-byte bursts 3 years ago
  H. Peter Anvin 42f4ad6376 Make downloader work; use PLL for SDRAM clock offset 3 years ago
  H. Peter Anvin 27454bdbd3 qsfdeps.pl: ignore Signaltap files 3 years ago
  H. Peter Anvin 925ec18e6d fw: add data download test 3 years ago
  H. Peter Anvin 445c3542f1 Makefile target to really strip Signaltap from max80.qsf 3 years ago
  H. Peter Anvin a7b663743d max80.sdc: add back output delay for sr_clk 3 years ago
  H. Peter Anvin f476073603 SPI ROM -> SDRAM download unit (not quite working yet?) 3 years ago
  H. Peter Anvin 08ac6caba9 fw: revert to 115200 bps 3 years ago
  H. Peter Anvin 0176e771d1 fw: irq wrapper, picorv32 custom instructions, _die() with blinkenlights 3 years ago
  H. Peter Anvin 56287b0a05 sdram: leave CKE permanently enabled 3 years ago
  H. Peter Anvin 6b7c85430e sdram: I/O timing tweaks, hopefully for the better... 3 years ago
  H. Peter Anvin e9f9d2c765 fw: print error messages on a new line 3 years ago
  H. Peter Anvin f2f1e52e5e fw: better SDRAM test (fails?) 3 years ago
  H. Peter Anvin b2bb8e764d fw: avoid 64-bit division in con_set_baudrate() 3 years ago
  H. Peter Anvin 4f9855b5c4 tty: simplify by running in the sys_clk domain; use NCO for baud 3 years ago
  H. Peter Anvin 16e9576297 fpga: make the SDRAM work! 3 years ago
  H. Peter Anvin c2bee3cb77 fw: pull in libc, printf to console, SDRAM test 3 years ago
  H. Peter Anvin 9e0713c926 sdram: remove misaligned handling 3 years ago
  H. Peter Anvin 115e7850e2 tty: actually clock tty unit; alternative serial port on GPIO 3 years ago
  H. Peter Anvin 0af5c2d01d Merge branch 'main' into uart-rework 3 years ago
  H. Peter Anvin 9a9c1beba7 fpga: quartus programming targets 3 years ago
  H. Peter Anvin 0bb16fa955 fpga: switch RxD and TxD back for reworked boards 3 years ago
  H. Peter Anvin 10bc2b4ed1 Make the LED output numbers match the order on the back 3 years ago
  H. Peter Anvin b87dddeaa9 fw: tty is not working due to invalid pinout 3 years ago
  H. Peter Anvin 73e518e763 fpga/Makefile: run quartus_pow after quartus_sta 3 years ago
  H. Peter Anvin 9b1134ea5b sdram: improve initialization timing 3 years ago
  H. Peter Anvin f2060589ab Default baud rate = 115200, baud rate programmable 3 years ago
  H. Peter Anvin 776ec1c1d2 tools/Makefile: avoid rebuilding over and over 3 years ago
  H. Peter Anvin 4410a635c4 Minimal console serial port (1000000-N81) "Hello, World!" 3 years ago
  H. Peter Anvin 265fb7692e CPU now can execute instructions, at least in simulation!! 3 years ago