 H. Peter Anvin
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8933ef4824
test_download(): verify that .dram.bss was properly cleared
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3 years ago |
|
H. Peter Anvin
|
1506439cb0
fw: slightly more informative sdram and timer messages
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3 years ago |
|
H. Peter Anvin
|
6ae39aaf12
Make romcopy device programmable and able to zero memory
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3 years ago |
|
H. Peter Anvin
|
cb4dc0a825
fatfs: open-code Latin-1 (codepage 819)
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3 years ago |
|
H. Peter Anvin
|
0855fd5684
fw: move sdram downloader test data to assembly
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3 years ago |
|
H. Peter Anvin
|
be3a50be52
sdcard: mount disk images, Makefile/ld: infrastructure for dram data
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3 years ago |
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H. Peter Anvin
|
df521ce35f
abcbus: fix missing clock to ABC-bus synchronizer
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3 years ago |
|
H. Peter Anvin
|
09d392bd4c
fw: use -malign-data=natural
|
3 years ago |
|
H. Peter Anvin
|
d6d6390bca
Clean up _start() -- the one in libc doesn't zero bss correctly
|
3 years ago |
|
H. Peter Anvin
|
6b1989fac8
fw: allow gcc to optimize memset, memcpy, and memmove
|
3 years ago |
|
H. Peter Anvin
|
d37791d8a7
fw: faster memset()
|
3 years ago |
|
H. Peter Anvin
|
ec99762a84
Use waitirq rather than suspending a memory transaction for SD card
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3 years ago |
|
H. Peter Anvin
|
affd869f20
Add to waitirq and "andmask" and an "ormask".
|
3 years ago |
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H. Peter Anvin
|
8f74766933
rtc: print the decoded RTC time to the console and update systime
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3 years ago |
|
H. Peter Anvin
|
56753cd6a3
abcbus: move abcbus to separate module; add I/O status register
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3 years ago |
|
H. Peter Anvin
|
69476ffdf6
Add I/O interface to the ABC bus, using SDRAM DMA
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3 years ago |
|
H. Peter Anvin
|
ef652637f0
fw: drop RTC I2C frequency to 100 kHz
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3 years ago |
|
H. Peter Anvin
|
f6f9bf7ede
Add i2c unit
|
3 years ago |
|
H. Peter Anvin
|
55b0aeee3f
iodev: move one-register "devices" into a common "sys"; add "abc" device
|
3 years ago |
|
H. Peter Anvin
|
e1878a396f
Detect the presence of an ABC-bus by looking for a clock signal
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3 years ago |
|
H. Peter Anvin
|
8368aa9534
fpga: parameterize the rtc_32khz workaround
|
3 years ago |
|
H. Peter Anvin
|
2ee2c77bd7
sdram: fix initialization sequence again
|
3 years ago |
|
H. Peter Anvin
|
b5e39487bd
max80: change esp_ctr debug signal to 4 Hz
|
3 years ago |
|
H. Peter Anvin
|
c40501f76e
SDRAM access from the ABC-bus
|
3 years ago |
|
H. Peter Anvin
|
03fae78888
hack: binary counter on ESP pins to test connectivity
|
3 years ago |
|
H. Peter Anvin
|
3608e21183
Add extended devices (xdevs) that require > 128 bytes
|
3 years ago |
|
H. Peter Anvin
|
f3992b85ad
sdcard: run in slow mode (400 kHz during initialization)
|
3 years ago |
|
H. Peter Anvin
|
4cc5301813
sdcard: generalize the IP, instantiate for ESP32 SPI channel too
|
3 years ago |
|
H. Peter Anvin
|
518503fa99
iodev: centralize definitions and auto-generate boiler plate code
|
3 years ago |
|
H. Peter Anvin
|
74ebfc9b60
fw: allow optimization if IRQ_VECTORS < 32
|
3 years ago |
