 H. Peter Anvin
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65dec219d1
Fix top level Makefile
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3 سال پیش |
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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 سال پیش |
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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 سال پیش |
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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 سال پیش |
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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 سال پیش |
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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 سال پیش |
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H. Peter Anvin
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aad6fa3aad
fw: link against newlib-nano
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3 سال پیش |
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H. Peter Anvin
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873b48e082
synchro.sv: use global version of tostr()
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3 سال پیش |
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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 سال پیش |
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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 سال پیش |
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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 سال پیش |
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H. Peter Anvin
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29caaeebbe
pll: change system clock to 84 MHz
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3 سال پیش |
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H. Peter Anvin
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98999420a7
max80: better testing of the sdram controller
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3 سال پیش |
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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 سال پیش |
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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 سال پیش |
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H. Peter Anvin
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728e8de139
sdram: allow arbitrary alignments on port 1
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3 سال پیش |
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H. Peter Anvin
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35ce29d153
spi_master: remove non-synthesizable constructs
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3 سال پیش |
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H. Peter Anvin
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fadf05d416
spi_master: use "output reg" where it makes sense
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3 سال پیش |
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H. Peter Anvin
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b1330f1322
spi_master: move some configs to ports; add latch_q option
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3 سال پیش |
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H. Peter Anvin
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d2dbda9124
spi_master: add support for CPOL=1 (SPI mode 2)
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3 سال پیش |
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H. Peter Anvin
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1355c99091
Add SPI master unit IP, move generally useful functions to a common file
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3 سال پیش |
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H. Peter Anvin
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2c6d4d66d2
sdram: fix some timing calculations, pre-ack, cleanups
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3 سال پیش |
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H. Peter Anvin
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7efe6c8d1c
sdram: fix op_cycle counter overflow
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3 سال پیش |
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H. Peter Anvin
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0b53a475f8
sdram: make it a little clearer what the equation actually is
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3 سال پیش |
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H. Peter Anvin
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9363f018e1
sdram: rewrite state machine with an operations loop counter
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3 سال پیش |
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H. Peter Anvin
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b2d184d021
Fix polarity of output SDRAM clock; move into sdram module
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3 سال پیش |
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H. Peter Anvin
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8bf5d90a2d
.gitignore: add some editor temp file patterns
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3 سال پیش |
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H. Peter Anvin
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94b62ada47
max80.qsf: restore sourcing of pins.tcl
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3 سال پیش |
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H. Peter Anvin
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30d5acc569
Change core clock to 168 MHz and video clock to 48 MHz
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3 سال پیش |
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H. Peter Anvin
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afc9429471
Add simple SDRAM controller
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3 سال پیش |
