 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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22b175e569
fw: ABC-bus I/O handler interrupt routine
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3 years ago |
|
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
|
80cd70eb57
iodevs: auto-generate common constants
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3 years ago |
|
H. Peter Anvin
|
d13897b3d0
Merge branch 'main' into simpleio
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3 years ago |
|
H. Peter Anvin
|
5eed62e710
WIP: ABC disk controller emulation
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3 years ago |
|
H. Peter Anvin
|
0924c443cd
WIP: simplify the ABC-bus I/O interface
|
3 years ago |
|
H. Peter Anvin
|
5466a20b99
tools/Makefile: fix location of the tree root for .gitconfig
|
3 years ago |
|
H. Peter Anvin
|
603f4418f8
fw: try to sanitize the linker script somewhat
|
3 years ago |
|
H. Peter Anvin
|
9ca2889add
cpu: move the reset vector away from 0
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3 years ago |
|
H. Peter Anvin
|
46c873bd12
abcbus: make INT#, NMI#, RESIN# and WAIT#/RDY explicitly controllable
|
3 years ago |
|
H. Peter Anvin
|
9daa6e28a5
abcbus: don't trigger RESIN# on internal reset
|
3 years ago |
|
H. Peter Anvin
|
a42b824c80
fw/diskcache.c: writeback cache
|
3 years ago |
|
H. Peter Anvin
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29b0ba15a4
fw/diskcache.c: correct the logic for when write needs read
|
3 years ago |
|
H. Peter Anvin
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0723ccd8b7
spirom: control the spi_sck buffer on the negative edge
|
3 years ago |
|
H. Peter Anvin
|
f9aa3d5f27
fw/diskcache: use a circular multiply for hashing
|
3 years ago |
|
H. Peter Anvin
|
10ee183e1a
fw: fix and re-enable aligned memcpy()
|
3 years ago |
|
H. Peter Anvin
|
6798b92c04
Simple disk cache; add missing files
|
3 years ago |
|
H. Peter Anvin
|
83045dccb0
max80.ld: add a few more sections
|
3 years ago |
|
H. Peter Anvin
|
7df391b813
fw: optimized memcpy() for the aligned xword case
|
3 years ago |
|
H. Peter Anvin
|
4a0966e759
abcbus: put the I/O status register (INP 1) in a separate SRAM
|
3 years ago |
|
H. Peter Anvin
|
4970fb6ef6
rtc: issue dummy clock cycles if SDA appears stuck
|
3 years ago |
|
H. Peter Anvin
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a642f1f7a9
rtc: assume RTC 32 kHz is supported to work if GPIO serial not used
|
3 years ago |
|
H. Peter Anvin
|
23a7324677
hdmi: slow down to 60 MHz (120 Mbaud, 96 Mbps) for testing
|
3 years ago |
|
H. Peter Anvin
|
338c4e1649
fpga/abcbus: fix clear_irq signal
|
3 years ago |
|
H. Peter Anvin
|
dd69eafb99
Many timing fixes; better IRQ handling for abcbus
|
3 years ago |
|
H. Peter Anvin
|
c26574cc6a
i2c: fix spurious Sr condition; revert to 400 kHz
|
3 years ago |
|
H. Peter Anvin
|
0dfe406919
fw: move the malloc heap to DRAM
|
3 years ago |
|
H. Peter Anvin
|
54f6bd3fd6
fw: replace libc _start with a much simpler one
|
3 years ago |
