 H. Peter Anvin
|
d0c6ce11ed
rv32: rename fw.h -> common.h for consistency
|
2 years ago |
|
H. Peter Anvin
|
832c07c31f
Have ESP issue a handshake interrupt; some common link code
|
2 years ago |
|
H. Peter Anvin
|
1725fbb91d
ESP32 code for FPGA link; test code and fixes
|
2 years ago |
|
H. Peter Anvin
|
aac953ed19
Implement FPGA <-> ESP32 communication path
|
2 years ago |
|
H. Peter Anvin
|
e0305b26e3
system.c: disable the 5 s testing startup delay
|
2 years ago |
|
H. Peter Anvin
|
6375646603
update: get closer to a working JTAG update infrastructure
|
2 years ago |
|
H. Peter Anvin
|
aea92d6f7a
fw: download SPI ROM ID and send to USB very early in execution
|
2 years ago |
|
H. Peter Anvin
|
6014b9c6d7
max80: fix timing bug that affected code execution from SDRAM
|
2 years ago |
|
H. Peter Anvin
|
8b67b5db30
spirom: fix SPI ROM I/O and data downloading
|
2 years ago |
|
H. Peter Anvin
|
9471dad838
Move date stamp generation to fpga build; record SDRAM checksum
|
2 years ago |
|
H. Peter Anvin
|
0bb459f8dc
Fix SDRAM checksum generation
|
2 years ago |
|
H. Peter Anvin
|
adf6c39024
serial: simplify physical tty and make BREAK reset work
|
2 years ago |
|
H. Peter Anvin
|
7462426469
usb: use showahead on the Rx FIFO, but not the Tx FIFO
|
3 years ago |
|
H. Peter Anvin
|
a0f8eb5820
Fix false positive ABC-bus memory overrun timer
|
3 years ago |
|
H. Peter Anvin
|
1db3d07425
PUN80 emulation, per-channel IRQ handlers, TTY IRQ polarity control
|
3 years ago |
|
H. Peter Anvin
|
808ba7c43c
usb: use a direct interface between the CPU and the USB FIFOs
|
3 years ago |
|
H. Peter Anvin
|
63c8bc2ec8
sdram: fix signal timing that broke dram bss zeroing.
|
3 years ago |
|
H. Peter Anvin
|
778a7b2ded
spirom: restructure handshake signals
|
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
|
a99616cbc5
WIP: restructure USB using interfaces to be able to create more endpoints
|
3 years ago |
|
H. Peter Anvin
|
ef2d958d8f
rv32: reduce the verbosity of test code
|
3 years ago |
|
H. Peter Anvin
|
de1566292f
clocks: centralize strobes; rng: shut down when not in use
|
3 years ago |
|
H. Peter Anvin
|
2034158a65
sdram: fix state machine problem
|
3 years ago |
|
H. Peter Anvin
|
4e65673781
spirom: add support for sending arbitrary SPI commands
|
3 years ago |
|
H. Peter Anvin
|
2e544bb970
sdcard: reinitialize on system (soft) reset
|
3 years ago |
|
H. Peter Anvin
|
dac6cd700a
rng: delay 256 μs before reading a random number
|
3 years ago |
|
H. Peter Anvin
|
ac8a492ba2
sdram: fix 8-bit ports; rename fw/ to rv32/ to avoid confusion
|
3 years ago |
