 H. Peter Anvin
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bcefeb445b
Switch to aggressive optimization to improve timing
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3 lat temu |
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H. Peter Anvin
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f48fe1c4cf
fpga: disable pull resistors for SPI to flash chip
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3 lat temu |
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H. Peter Anvin
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6a406133f0
Add sdcard and sysclock units; reshuffle address map
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3 lat temu |
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H. Peter Anvin
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65f412c5d0
Add sdcard unit; currently SPI based
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3 lat temu |
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H. Peter Anvin
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e3d2be2211
fpga: don't generate .jam file
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3 lat temu |
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H. Peter Anvin
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269914ae92
Remove .jam file - it is text and so messes up diffs; unused
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3 lat temu |
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H. Peter Anvin
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152a913007
qsf: add spirom.sv; update boot.mif
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3 lat temu |
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H. Peter Anvin
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42f4ad6376
Make downloader work; use PLL for SDRAM clock offset
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3 lat temu |
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H. Peter Anvin
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445c3542f1
Makefile target to really strip Signaltap from max80.qsf
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3 lat temu |
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H. Peter Anvin
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f476073603
SPI ROM -> SDRAM download unit (not quite working yet?)
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3 lat temu |
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H. Peter Anvin
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9e0713c926
sdram: remove misaligned handling
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3 lat temu |
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H. Peter Anvin
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115e7850e2
tty: actually clock tty unit; alternative serial port on GPIO
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3 lat temu |
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H. Peter Anvin
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f2060589ab
Default baud rate = 115200, baud rate programmable
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3 lat temu |
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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 lat temu |
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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 lat temu |
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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 lat temu |
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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 lat temu |
