 H. Peter Anvin
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105317a04c
sdcard: works now! (At least reading)
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3 years ago |
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H. Peter Anvin
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6ead9a1ad1
sdcard: fix switching to high speed mode
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3 years ago |
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H. Peter Anvin
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8a937a6f83
sdcard: now talking to the SD card; driver fixes still needed
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3 years ago |
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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 years ago |
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H. Peter Anvin
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9093b88195
Add ELM-Chan FatFS 0.14b explicitly
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3 years ago |
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H. Peter Anvin
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3673cdd132
Remove fatfs as a submodule. It is small and needs edits.
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3 years ago |
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H. Peter Anvin
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65f412c5d0
Add sdcard unit; currently SPI based
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3 years ago |
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H. Peter Anvin
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0b0eec607b
spirom: fix data corruption on reader stall
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3 years ago |
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H. Peter Anvin
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72af3bd711
max80.sdc: multicycle path between sdram_clk and sr_clk (why?)
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3 years ago |
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H. Peter Anvin
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e3d2be2211
fpga: don't generate .jam file
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3 years ago |
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H. Peter Anvin
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e32df0c25b
Remove max80.map from tree
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3 years ago |
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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 years ago |
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H. Peter Anvin
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6b8d647c0a
fw: update SRAM_SIZE to 32K
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3 years ago |
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H. Peter Anvin
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1f822e260c
Change onboard fast SRAM from 8K to 32K
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3 years ago |
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H. Peter Anvin
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152a913007
qsf: add spirom.sv; update boot.mif
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3 years ago |
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H. Peter Anvin
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a6e8bd9b0e
fw: more detailed error messages for downloader
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3 years ago |
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H. Peter Anvin
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dce6ed79e1
fw, console: add flush function
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3 years ago |
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H. Peter Anvin
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9bf7d10a84
tty: add status register and irq support; clean up iodev map
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3 years ago |
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H. Peter Anvin
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cae89058dc
fw/Makefile: add explicit path to CROSS
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3 years ago |
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H. Peter Anvin
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03019163e4
spirom: revert uploader to arbitrary 8*n-byte bursts
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3 years ago |
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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 years ago |
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H. Peter Anvin
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27454bdbd3
qsfdeps.pl: ignore Signaltap files
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3 years ago |
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H. Peter Anvin
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925ec18e6d
fw: add data download test
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3 years ago |
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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 years ago |
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H. Peter Anvin
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a7b663743d
max80.sdc: add back output delay for sr_clk
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3 years ago |
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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 years ago |
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H. Peter Anvin
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08ac6caba9
fw: revert to 115200 bps
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3 years ago |
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H. Peter Anvin
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0176e771d1
fw: irq wrapper, picorv32 custom instructions, _die() with blinkenlights
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3 years ago |
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H. Peter Anvin
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56287b0a05
sdram: leave CKE permanently enabled
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3 years ago |
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H. Peter Anvin
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6b7c85430e
sdram: I/O timing tweaks, hopefully for the better...
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3 years ago |
