 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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4 年之前 |
|
H. Peter Anvin
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4970fb6ef6
rtc: issue dummy clock cycles if SDA appears stuck
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4 年之前 |
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H. Peter Anvin
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dd69eafb99
Many timing fixes; better IRQ handling for abcbus
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4 年之前 |
|
H. Peter Anvin
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6ae39aaf12
Make romcopy device programmable and able to zero memory
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4 年之前 |
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H. Peter Anvin
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ec99762a84
Use waitirq rather than suspending a memory transaction for SD card
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4 年之前 |
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H. Peter Anvin
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56753cd6a3
abcbus: move abcbus to separate module; add I/O status register
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4 年之前 |
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H. Peter Anvin
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69476ffdf6
Add I/O interface to the ABC bus, using SDRAM DMA
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4 年之前 |
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H. Peter Anvin
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f6f9bf7ede
Add i2c unit
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4 年之前 |
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H. Peter Anvin
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55b0aeee3f
iodev: move one-register "devices" into a common "sys"; add "abc" device
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4 年之前 |
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H. Peter Anvin
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c40501f76e
SDRAM access from the ABC-bus
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4 年之前 |
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H. Peter Anvin
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3608e21183
Add extended devices (xdevs) that require > 128 bytes
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4 年之前 |
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H. Peter Anvin
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4cc5301813
sdcard: generalize the IP, instantiate for ESP32 SPI channel too
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4 年之前 |
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H. Peter Anvin
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518503fa99
iodev: centralize definitions and auto-generate boiler plate code
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4 年之前 |
