 H. Peter Anvin
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e1878a396f
Detect the presence of an ABC-bus by looking for a clock signal
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пре 3 година |
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H. Peter Anvin
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8368aa9534
fpga: parameterize the rtc_32khz workaround
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пре 3 година |
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H. Peter Anvin
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b5e39487bd
max80: change esp_ctr debug signal to 4 Hz
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пре 3 година |
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H. Peter Anvin
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c40501f76e
SDRAM access from the ABC-bus
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пре 3 година |
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H. Peter Anvin
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03fae78888
hack: binary counter on ESP pins to test connectivity
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пре 3 година |
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H. Peter Anvin
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3608e21183
Add extended devices (xdevs) that require > 128 bytes
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пре 3 година |
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H. Peter Anvin
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f3992b85ad
sdcard: run in slow mode (400 kHz during initialization)
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пре 3 година |
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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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пре 3 година |
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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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пре 3 година |
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H. Peter Anvin
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bc09800c11
fw: make sure to clear the timer IRQ counter on init...
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пре 3 година |
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H. Peter Anvin
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9535001a01
fw: force instructions in irqasm.S to be aligned
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пре 3 година |
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H. Peter Anvin
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d3cac913de
fw: prevent invalid linker relaxation in irqasm.S
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пре 3 година |
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H. Peter Anvin
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211ec5e0c8
fw: set gp for the IRQ bank too
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пре 3 година |
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H. Peter Anvin
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2efc87efde
Add irqasm.S... still no interrupts, but no crashes either...
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пре 3 година |
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H. Peter Anvin
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cd15d8fd49
picorv32: revamp the Q registers to be a full bank switch
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пре 3 година |
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H. Peter Anvin
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bcefeb445b
Switch to aggressive optimization to improve timing
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пре 3 година |
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H. Peter Anvin
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996bd201be
Timing improvements: wait state for iodev, fix handling of sr_clk
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пре 3 година |
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H. Peter Anvin
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75980f5efb
fw: now working interrupt handling, periodic timer flashing LEDs
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пре 3 година |
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H. Peter Anvin
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7f9ba1c3cd
Update FPGA generated files
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пре 3 година |
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H. Peter Anvin
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105317a04c
sdcard: works now! (At least reading)
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пре 3 година |
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H. Peter Anvin
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6ead9a1ad1
sdcard: fix switching to high speed mode
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пре 3 година |
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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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пре 3 година |
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H. Peter Anvin
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6a406133f0
Add sdcard and sysclock units; reshuffle address map
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пре 3 година |
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H. Peter Anvin
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65f412c5d0
Add sdcard unit; currently SPI based
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пре 3 година |
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H. Peter Anvin
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0b0eec607b
spirom: fix data corruption on reader stall
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пре 3 година |
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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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пре 3 година |
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H. Peter Anvin
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6b8d647c0a
fw: update SRAM_SIZE to 32K
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пре 3 година |
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H. Peter Anvin
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1f822e260c
Change onboard fast SRAM from 8K to 32K
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пре 3 година |
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H. Peter Anvin
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a6e8bd9b0e
fw: more detailed error messages for downloader
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пре 3 година |
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H. Peter Anvin
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dce6ed79e1
fw, console: add flush function
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пре 3 година |
