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west: runner: add support for ecpprog #81482

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west: runner: add support for ecpprog #81482

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@josuah josuah commented Nov 16, 2024

This adds the ecpprog utility to flash FPGA boards on Zephyr.

There is currently no board upstream configured to use it, but 3rd-party module soon will, and later be submitted to Zephyr.

Example board.cmake:

include(${ZEPHYR_BASE}/boards/common/ecpprog.board.cmake)

Optional Kconfig.defconfig for CONFIG_FLASH_LOAD_OFFSET support:

# Workaround for not being able to have commas in macro arguments
DT_CHOSEN_Z_CODE_PARTITION := zephyr,code-partition

config FLASH_LOAD_OFFSET
        default $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_CODE_PARTITION))
        # or directly some number

Sample output:

$ west flash
-- west flash: rebuilding
ninja: no work to do.
-- west flash: using runner ecpprog
ecpprog -o 0x100000 /home/tinyvision/zephyrproject/tinyclunx33_zephyr_example/build/zephyr/zephyr.bin
init..
IDCODE: 0x010fb043 (LIFCL-33U)
NX Status Register: 0x0000110100000000
reset..
flash ID: 0xEF 0x80 0x18
file size: 157096
erase 64kB sector at 0x100000..
erase 64kB sector at 0x110000..
erase 64kB sector at 0x120000..
programming..  157096/157096
verify..       157096/157096  VERIFY OK
Bye.
$

@josuah
west: runner: add support for ecpprog
c1b7db1 
The ecpprog command is an utility written by Greg Davill for flashing
FPGAs such as ECP5 or CrossLink-NX series. Devkits typically have an
FTDI interface chip to access the external flash. FPGA image is
typically at flash offset 0x00000000 flash offset, and the Zephyr
image offset can be set via CONFIG_FLASH_LOAD_OFFSET.

Signed-off-by: Josuah Demangeon <[email protected]>
@josuah josuah added area: West West utility area: Scripts Scripts area: FPGA Field-Programmable Gate Array (FPGA) labels Nov 16, 2024
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@carlescufi carlescufi Awaiting requested review from carlescufi

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