 H. Peter Anvin
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e05dbe6f40
v2boot: simple boot loader connecting ESP32-SPI to flash-SPI
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3 лет назад |
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H. Peter Anvin
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4b07e7703d
Fix USB serial number generation
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3 лет назад |
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H. Peter Anvin
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aea92d6f7a
fw: download SPI ROM ID and send to USB very early in execution
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3 лет назад |
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H. Peter Anvin
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6014b9c6d7
max80: fix timing bug that affected code execution from SDRAM
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3 лет назад |
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H. Peter Anvin
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8b67b5db30
spirom: fix SPI ROM I/O and data downloading
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3 лет назад |
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H. Peter Anvin
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8eec9b9e0a
Timing improvements; allow SRAM to be read over JTAG
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3 лет назад |
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H. Peter Anvin
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9471dad838
Move date stamp generation to fpga build; record SDRAM checksum
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3 лет назад |
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H. Peter Anvin
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d2951ecd94
spirom: issue the right 1-bit command; update ufddos80.rom
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3 лет назад |
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H. Peter Anvin
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e5070d268e
spirom: implement 1-bit DMA mode
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3 лет назад |
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H. Peter Anvin
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0bb459f8dc
Fix SDRAM checksum generation
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3 лет назад |
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H. Peter Anvin
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adf6c39024
serial: simplify physical tty and make BREAK reset work
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3 лет назад |
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H. Peter Anvin
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7462426469
usb: use showahead on the Rx FIFO, but not the Tx FIFO
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3 лет назад |
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H. Peter Anvin
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a0f8eb5820
Fix false positive ABC-bus memory overrun timer
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3 лет назад |
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H. Peter Anvin
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0271d1979a
sdram: return start to the right subunit; add ABC-bus latency counter
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3 лет назад |
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H. Peter Anvin
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eb851b7632
pun80: fix IRQ/status conditions; console: optimize
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3 лет назад |
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H. Peter Anvin
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7912a488fa
usb: fix bogus AND of data and boolean in control message handling
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3 лет назад |
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H. Peter Anvin
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c48373f9a8
usb: handle SET_CONTROL_LINE_STATE USB messages
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3 лет назад |
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H. Peter Anvin
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50d3a0c3bc
usb: timing fixes in the status and IRQ paths
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3 лет назад |
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H. Peter Anvin
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1622343b8d
Firmware for PUN80 emulation
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3 лет назад |
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H. Peter Anvin
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1db3d07425
PUN80 emulation, per-channel IRQ handlers, TTY IRQ polarity control
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3 лет назад |
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H. Peter Anvin
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7dd7eb2ed7
usb: change "console" to "tty", with CON_ used for only the console
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3 лет назад |
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H. Peter Anvin
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3d16eb2126
usb: set FIFO size to 1K
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3 лет назад |
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H. Peter Anvin
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af2600349c
usb: enable four ACM devices
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3 лет назад |
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H. Peter Anvin
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9dda5b5549
usb: fix logic for draining tx FIFO, fix BREAK reception
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3 лет назад |
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H. Peter Anvin
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808ba7c43c
usb: use a direct interface between the CPU and the USB FIFOs
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3 лет назад |
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H. Peter Anvin
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92d18543b8
tty: don't require DTR#; v2: output some clocks on gpio[135]
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3 лет назад |
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H. Peter Anvin
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60be2e1201
v2: v2 has a 16 MHz oscillator instead of 48 MHz
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3 лет назад |
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H. Peter Anvin
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81633591fa
v2: abc_host and abc_a_oe are redundant and unified in v2
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3 лет назад |
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H. Peter Anvin
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63c8bc2ec8
sdram: fix signal timing that broke dram bss zeroing.
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3 лет назад |
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H. Peter Anvin
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7c7d4cd52c
usb: set the device serial number
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3 лет назад |
