 H. Peter Anvin
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770e3b2451
abcbus: not busy until the transaction has completed
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3 years ago |
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H. Peter Anvin
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82649f078e
fw: add infrastructure for a secondary test mode image
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3 years ago |
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H. Peter Anvin
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784bda1057
abcdisk: move the big controller array to .dram.bss
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3 years ago |
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H. Peter Anvin
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5beee9e57b
abcdisk: now able to compile a binary
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3 years ago |
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H. Peter Anvin
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eaee1583d8
abcio: more handler functions; prioritize the ABC interrupt
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3 years ago |
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H. Peter Anvin
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864a989e80
Update register definitions; split out status change IRQ status bits
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3 years ago |
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H. Peter Anvin
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dd6feb1b3b
Merge branch 'main' into simpleio
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3 years ago |
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H. Peter Anvin
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80cd70eb57
iodevs: auto-generate common constants
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3 years ago |
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H. Peter Anvin
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0924c443cd
WIP: simplify the ABC-bus I/O interface
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3 years ago |
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H. Peter Anvin
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603f4418f8
fw: try to sanitize the linker script somewhat
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3 years ago |
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H. Peter Anvin
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9ca2889add
cpu: move the reset vector away from 0
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3 years ago |
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H. Peter Anvin
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9daa6e28a5
abcbus: don't trigger RESIN# on internal reset
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3 years ago |
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H. Peter Anvin
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a42b824c80
fw/diskcache.c: writeback cache
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3 years ago |
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H. Peter Anvin
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29b0ba15a4
fw/diskcache.c: correct the logic for when write needs read
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3 years ago |
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H. Peter Anvin
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0723ccd8b7
spirom: control the spi_sck buffer on the negative edge
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3 years ago |
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H. Peter Anvin
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f9aa3d5f27
fw/diskcache: use a circular multiply for hashing
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3 years ago |
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H. Peter Anvin
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10ee183e1a
fw: fix and re-enable aligned memcpy()
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3 years ago |
|
H. Peter Anvin
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6798b92c04
Simple disk cache; add missing files
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3 years ago |
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H. Peter Anvin
|
7df391b813
fw: optimized memcpy() for the aligned xword case
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3 years ago |
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H. Peter Anvin
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4a0966e759
abcbus: put the I/O status register (INP 1) in a separate SRAM
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3 years ago |
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H. Peter Anvin
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4970fb6ef6
rtc: issue dummy clock cycles if SDA appears stuck
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3 years ago |
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H. Peter Anvin
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a642f1f7a9
rtc: assume RTC 32 kHz is supported to work if GPIO serial not used
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3 years ago |
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H. Peter Anvin
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23a7324677
hdmi: slow down to 60 MHz (120 Mbaud, 96 Mbps) for testing
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3 years ago |
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H. Peter Anvin
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dd69eafb99
Many timing fixes; better IRQ handling for abcbus
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3 years ago |
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H. Peter Anvin
|
c26574cc6a
i2c: fix spurious Sr condition; revert to 400 kHz
|
3 years ago |
|
H. Peter Anvin
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0dfe406919
fw: move the malloc heap to DRAM
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3 years ago |
|
H. Peter Anvin
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54f6bd3fd6
fw: replace libc _start with a much simpler one
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3 years ago |
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H. Peter Anvin
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8933ef4824
test_download(): verify that .dram.bss was properly cleared
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3 years ago |
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H. Peter Anvin
|
1506439cb0
fw: slightly more informative sdram and timer messages
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3 years ago |
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H. Peter Anvin
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6ae39aaf12
Make romcopy device programmable and able to zero memory
|
3 years ago |
