 H. Peter Anvin
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115e7850e2
tty: actually clock tty unit; alternative serial port on GPIO
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3 years ago |
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H. Peter Anvin
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0af5c2d01d
Merge branch 'main' into uart-rework
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3 years ago |
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H. Peter Anvin
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9a9c1beba7
fpga: quartus programming targets
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3 years ago |
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H. Peter Anvin
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0bb16fa955
fpga: switch RxD and TxD back for reworked boards
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3 years ago |
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H. Peter Anvin
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10bc2b4ed1
Make the LED output numbers match the order on the back
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3 years ago |
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H. Peter Anvin
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b87dddeaa9
fw: tty is not working due to invalid pinout
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3 years ago |
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H. Peter Anvin
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73e518e763
fpga/Makefile: run quartus_pow after quartus_sta
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3 years ago |
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H. Peter Anvin
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9b1134ea5b
sdram: improve initialization timing
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3 years ago |
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H. Peter Anvin
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f2060589ab
Default baud rate = 115200, baud rate programmable
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3 years ago |
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H. Peter Anvin
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776ec1c1d2
tools/Makefile: avoid rebuilding over and over
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3 years ago |
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H. Peter Anvin
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4410a635c4
Minimal console serial port (1000000-N81) "Hello, World!"
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3 years ago |
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H. Peter Anvin
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265fb7692e
CPU now can execute instructions, at least in simulation!!
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3 years ago |
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H. Peter Anvin
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c78f9d909d
Roll back picorv32 hacks for unaligned memory support
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3 years ago |
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H. Peter Anvin
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65dec219d1
Fix top level Makefile
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3 years ago |
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H. Peter Anvin
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3f417a182e
tools: build a z80-none-elf binutils, riscv-gdb
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3 years ago |
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H. Peter Anvin
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48d72fab81
fpga: better Makefile handling of the Quartus flow
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3 years ago |
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H. Peter Anvin
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062a3d9eb1
Reorganize tree so a single Makefile can do the right thing
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3 years ago |
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H. Peter Anvin
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29838ba040
Add toolchain build via git submodules and Makefile
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3 years ago |
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H. Peter Anvin
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4771d428e2
bin2mif: fast_ram expects unpacked decimal filename indicies
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3 years ago |
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H. Peter Anvin
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aad6fa3aad
fw: link against newlib-nano
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3 years ago |
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H. Peter Anvin
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873b48e082
synchro.sv: use global version of tostr()
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3 years ago |
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H. Peter Anvin
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8e77198270
Better fast_mem implementation; need to split .mif files
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3 years ago |
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H. Peter Anvin
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0a742774ae
Getting full synthesis with CPU and fast memory; not tested yet
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3 years ago |
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H. Peter Anvin
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345f6b4fb6
fw: build and link a file that can go into the fast memory
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3 years ago |
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H. Peter Anvin
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29caaeebbe
pll: change system clock to 84 MHz
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3 years ago |
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H. Peter Anvin
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98999420a7
max80: better testing of the sdram controller
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3 years ago |
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H. Peter Anvin
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dd78b3450d
sdram.sv: fix logic for next_bank and last_dword
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3 years ago |
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H. Peter Anvin
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2517eac8ba
sdram: make the bus protocol actually work sanely
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3 years ago |
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H. Peter Anvin
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728e8de139
sdram: allow arbitrary alignments on port 1
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3 years ago |
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H. Peter Anvin
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35ce29d153
spi_master: remove non-synthesizable constructs
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3 years ago |
