Commit History

Author SHA1 Message Date
  H. Peter Anvin 344ccf56d4 Fixes for dual version generator 3 years ago
  H. Peter Anvin 6db45e74e6 WIP: build both v1 and v2 3 years ago
  H. Peter Anvin 75a6dbc7fa fpga: infrastructure for building v1 and v2 FPGA 3 years ago
  H. Peter Anvin 372899ea3b Move most code to SDRAM; fix problems with code in SDRAM; cleanups 3 years ago
  H. Peter Anvin de1566292f clocks: centralize strobes; rng: shut down when not in use 3 years ago
  H. Peter Anvin 4e65673781 spirom: add support for sending arbitrary SPI commands 3 years ago
  H. Peter Anvin a5abfc202c reset: don't reset USB of soft reset; soft reset on input BREAK 3 years ago
  H. Peter Anvin 3dfb6626a1 More clock tree changes; fix rng oscillator sources 3 years ago
  H. Peter Anvin d64ebed344 rng: add the abc_clk to the inputs 3 years ago
  H. Peter Anvin ac8a492ba2 sdram: fix 8-bit ports; rename fw/ to rv32/ to avoid confusion 3 years ago
  H. Peter Anvin 980eaf0400 Restructure clock tree; better sdram timing; random number generator 3 years ago
  H. Peter Anvin f3ee4f685c fpga: enable USB core 3 years ago
  H. Peter Anvin cc37f87c67 sdram: rewrite as parameterized ports; usb: add USB core for testing 3 years ago
  H. Peter Anvin 8218421642 fpga: set HDMI pixel clock to 56 MHz; correct PLL and HDMITX settings 3 years ago
  H. Peter Anvin f24cac3c43 fpga: lint code to make ModelSim RTL simulation work again 3 years ago
  H. Peter Anvin 510e702728 video: initial simple video generator; add support for HDMI TERC4 3 years ago
  H. Peter Anvin 1dfcf38fed sdcard: attempt to handle insertion and removal 3 years ago
  H. Peter Anvin a8cfea4d31 Remove support for 32 kHz and serial port workarounds 3 years ago
  H. Peter Anvin 2f3640b11c fpga: rename abc_master to abc_host 3 years ago
  H. Peter Anvin 378b746e22 fpga: code lint fixes (no functional change) 3 years ago
  H. Peter Anvin f9c6fb9913 max80.sv: abc_sr_wd is a bus, not a single wire 3 years ago
  H. Peter Anvin 80cd70eb57 iodevs: auto-generate common constants 3 years ago
  H. Peter Anvin 9ca2889add cpu: move the reset vector away from 0 3 years ago
  H. Peter Anvin a642f1f7a9 rtc: assume RTC 32 kHz is supported to work if GPIO serial not used 3 years ago
  H. Peter Anvin 54f6bd3fd6 fw: replace libc _start with a much simpler one 3 years ago
  H. Peter Anvin 6ae39aaf12 Make romcopy device programmable and able to zero memory 3 years ago
  H. Peter Anvin d6d6390bca Clean up _start() -- the one in libc doesn't zero bss correctly 3 years ago
  H. Peter Anvin ec99762a84 Use waitirq rather than suspending a memory transaction for SD card 3 years ago
  H. Peter Anvin 56753cd6a3 abcbus: move abcbus to separate module; add I/O status register 3 years ago
  H. Peter Anvin 69476ffdf6 Add I/O interface to the ABC bus, using SDRAM DMA 3 years ago