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Merge supervisor firmware tree into mainline #42

Merged
merged 62 commits into from
Oct 29, 2024
Merged

Merge supervisor firmware tree into mainline #42

merged 62 commits into from
Oct 29, 2024

Commits on Oct 18, 2024

  1. firmware: Initial stubbing out of supervisor MCU firmware

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    lethalbit committed Oct 18, 2024
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  2. firmware: added header for making sized consts less painful

    @lethalbit
    lethalbit committed Oct 18, 2024
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  3. firmware: added a stub call for std::terminate() because we're writ… 

    …ing embedded code, I swear.
    @lethalbit
    lethalbit committed Oct 18, 2024
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  4. firmware: Added rough implementations of memcpy/memset/memcmp because… 

    … they're needed by other things and can't always be inlined.

Also had to tell GCC to *not* replace the implementation of these functions with calls to them, because we are, in fact, the implementation of said calls, thanks GCC
    @lethalbit
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  5. firmware: Added the linker file as a dependency so we will trigger a … 

    …re-link if it changes
    @lethalbit
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  6. firmware: Added the -fno-exceptions and -fno-rtti to the common a… 

    …rgs to the linker also gets them
    @lethalbit
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  7. firmware: Added a pindefs file so we don't need to mess with magic nu… 

    …mbers
    @lethalbit
    lethalbit committed Oct 18, 2024
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  8. firmware: ensured the peripherals file can be included into many tran… 

    …slation units,

 seizing the means of production
    @lethalbit
    lethalbit committed Oct 18, 2024
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  9. firmware: normalizing nomenclature around pin functionality. And adde… 

    …d pin needed pin initialization to `setup_io`
    @lethalbit
    lethalbit committed Oct 18, 2024
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  10. firmware: added support for sync_busy on the SERCOM ctrlb registe… 

    …rs, and disambiguated the names
    @lethalbit
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  11. firmware: pulled out the setup_sercom from main and stuffed everyth… 

    …ing into an SPI specific implementation.

Also, set up the framework for reading and writing from the on-board configuration flash, along with validating the link by checking the ID
    @lethalbit
    lethalbit committed Oct 18, 2024
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Commits on Oct 19, 2024

  1. firmware: implemented 32-bit atomic add and cmpxchng 

    This is due to the fact that the ARM Cortex-M0+ does not have any atomic instructions,
and we're not able to link against any stdlibs, ***AND*** libatomic isn't even included
with the compiler for this platform anyway.
    @lethalbit
    lethalbit committed Oct 19, 2024
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  2. firmware: Added some timing facilities to ensure we can actually wait… 

    … for things for a set amount of time
    @lethalbit
    lethalbit committed Oct 19, 2024
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  3. firmware: Added digit separations

    @lethalbit
    lethalbit committed Oct 19, 2024
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  4. firmware: Added kHz and MHz literals

    @lethalbit
    lethalbit committed Oct 19, 2024
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  5. firmware: added read_le and read_be to construct a std::uint32_t … 

    …from a span of bytes
    @lethalbit
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  6. firmware: Added an explicit set_value to the PORT peripheral

    @lethalbit
    lethalbit committed Oct 19, 2024
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  7. firmware: Added the ARM SysTick peripheral for timing interrupt

    @lethalbit
    lethalbit committed Oct 19, 2024
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  8. firmware: Add the SysTick interrupt handler so we can keep time

    @lethalbit
    lethalbit committed Oct 19, 2024
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  9. firmware: setup and enable the SysTick interrupt

    @lethalbit
    lethalbit committed Oct 19, 2024
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  10. firmware: fixed the FPGA/PSRAM SPI pinout due to some silly hardware … 

    …errata
    @lethalbit
    lethalbit committed Oct 19, 2024
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  11. firmware: spi: added the std:: prefix to the flash_cmd_t enum as … 

    …should have been done
    @lethalbit
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  12. firmware: spi: Added a rough initial FPGA SPI command table

    @lethalbit
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  13. firmware: spi: Fixed the FPGA pin setup

    @lethalbit
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  14. firmware: spi: changed the flash ID name from id to flash_id to m… 

    …ove it in line with the other naming conventions
    @lethalbit
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  15. firmware: startup: fixed the NVIC table, we were missing two reserved… 

    … entries causing the SysTick handler to be in the wrong spot, i'm surprised anything worked
    @lethalbit
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  16. firmware: spi: Added the FPGA SPI bitbang as well as an ID check

    @lethalbit
    lethalbit committed Oct 19, 2024
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  17. firmware: spi: added a toggle of the ~PROGRAM pin to force the FPGA… 

    … to be in config mode (with the appropriate delay)
    @lethalbit
    lethalbit committed Oct 19, 2024
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  18. firmware: fixed a typo

    @lethalbit
    lethalbit committed Oct 19, 2024
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Commits on Oct 20, 2024

  1. firmware: spi: Added a 1KiB SPI transfer buffer

    @lethalbit
    lethalbit committed Oct 20, 2024
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  2. firmware: atomic: Added 2-byte atomic add and cmpxchng support

    @lethalbit
    lethalbit committed Oct 20, 2024
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  3. firmware: memory: told GCC that yes, we are, in fact, using these fun… 

    …ctions, thanks for asking
    @lethalbit
    lethalbit committed Oct 20, 2024
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  4. firmware: defined external flash layout

    @lethalbit
    lethalbit committed Oct 20, 2024
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  5. firmware: spi: Fixed up the pin modes for FPGA_DONE and FPGA_INIT

    @lethalbit
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  6. firmware: fault: Added the initial skeleton of the fault reporting sy… 

    …stem
    @lethalbit
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  7. firmware: spi: pulled out entering of FPGA configuration mode

    @lethalbit
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  8. firmware: spi: refactored the FPGA ID bits to use the new ID defines

    @lethalbit
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  9. firmware: spi: Pulled out fpga_begin_cmd for use in other methods

    @lethalbit
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  10. firmware: spi: Started assigning the fault codes in the appropriate p… 

    …ositions
    @lethalbit
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  11. firmware: added the ability to load a bitstream from a given slot in … 

    …FLASH into the FPGA
    @lethalbit
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  12. firmware: startup: Fixed the disaster that calling std::terminate()… 

    … would have caused due to calling a naked function
    @lethalbit
    lethalbit committed Oct 20, 2024
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Commits on Oct 21, 2024

  1. firmware: startup: Added precautions to the std::terminate handler … 

    …to set the LEDs to a known state
    @lethalbit
    lethalbit committed Oct 21, 2024
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  2. firmware: spi: removed the LED toggles in the failure cases for the f… 

    …lash and FPGA id failure, relying on just the new fault system
    @lethalbit
    lethalbit committed Oct 21, 2024
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  3. firmware: fault: added the actual fault blinker for active fault codes

    @lethalbit
    lethalbit committed Oct 21, 2024
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  4. firmware: peripherals: Added NVIC control block

    @lethalbit
    lethalbit committed Oct 21, 2024
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  5. firmware: main: set the priority of the SysTick interrupt to keep run… 

    …ning despite other interrupts to ensure when we hit the fault handler we can still blink out an error code
    @lethalbit
    lethalbit committed Oct 21, 2024
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  6. firmware: fault: Added fault code for if we can't talk to the PSRAM

    @lethalbit
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  7. firmware: spi: replaced read_jedec_id with read_flash_id as we do… 

    …n't do a full JEDEC compliant ID read, only enough for our onboard flash
    @lethalbit
    lethalbit committed Oct 21, 2024
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  8. firmware: flash: Added a diagram for the flash layout and removed som… 

    …e extra whitespace
    @lethalbit
    lethalbit committed Oct 21, 2024
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Commits on Oct 23, 2024

  1. firmware: spi: Added PSRAM ID check support and the machinery to talk… 

    … to the PSRAM from the firmware end
    @lethalbit
    lethalbit committed Oct 23, 2024
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  2. firmware: Added rough POR detection due to a hardware issue(?) means … 

    …we brown-out rather than lose all power causing the peripherals to stay configured causing a lockup state on power on from reset
    @lethalbit
    lethalbit committed Oct 23, 2024
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Commits on Oct 25, 2024

  1. firmware: stubbed out the flash flags, no real names yet but they're … 

    …at least there now
    @lethalbit
    lethalbit committed Oct 25, 2024
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  2. firmware: peripherals: Stubbed out SYSCTRL register block

    @lethalbit
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  3. firmware: peripherals: Added was_brownout() to PM peripheral to det… 

    …ermine if we're restarting due to a brownout or not
    @lethalbit
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  4. firmware: memory: Added memory header so we can call memcpy et. al.

    @lethalbit
    lethalbit committed Oct 25, 2024
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  5. firmware: main: Set up brownout detection and we are only now resetti… 

    …ng the core if we browned out
    @lethalbit
    lethalbit committed Oct 25, 2024
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  6. firmware: renamed load_bitstream to load_bitstream_flash

    @lethalbit
    lethalbit committed Oct 25, 2024
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  7. firmware: spi: pulled out FPGA programming status check to its own fu… 

    …nction
    @lethalbit
    lethalbit committed Oct 25, 2024
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  8. firmware: spi: changed the read_psram and write_psram to return a… 

    …n advanced address after read for later use
    @lethalbit
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  9. firmware: spi: Added fpga_segmented_xfer to allow for fragmented bi… 

    …tstream loading from PSRAM to FPGA
    @lethalbit
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  10. firmware: spi: Added load_bitstream_psram to load the FPGA bitstrea… 

    …m out of the PSRAM
    @lethalbit
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Commits on Oct 29, 2024

  1. firmware: Added a *really* rough readme for building the firmware

    @lethalbit
    lethalbit committed Oct 29, 2024
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