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Enable UART_QSPI_PROGRAM by default in polarfire_mpfs250_hss_l2lim.config #869

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Enable UART_QSPI_PROGRAM by default in polarfire_mpfs250_hss_l2lim.config #869

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9 changes: 9 additions & 0 deletions config/examples/polarfire_mpfs250_hss_l2lim.config
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Original file line number Diff line number Diff line change
Expand Up @@ -90,3 +90,12 @@ CFLAGS_EXTRA+=-DWOLFBOOT_SHA_BLOCK_SIZE=4096
# Optional QSPI flash test (erase/write/read on update partition)
# Uncomment to run test during hal_init()
#CFLAGS_EXTRA+=-DTEST_EXT_FLASH

# UART QSPI programmer (enabled for the HSS/L2-LIM demo flow)
# The documented bring-up loads the signed test-app into QSPI over UART, so this
# is enabled by default. wolfBoot prompts on UART at startup ("Press P within 3s")
# to receive a signed firmware image and write it to QSPI flash.
# Use: python3 tools/scripts/mpfs_qspi_prog.py <port> <image.bin> [qspi_offset]
# Requires EXT_FLASH=1 (already set) and DEBUG_UART=1 (already set).
# Set to 0 once the flash contents are stable to skip the 3-second boot pause.
UART_QSPI_PROGRAM?=1
4 changes: 3 additions & 1 deletion docs/Targets.md
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Expand Up @@ -1118,13 +1118,15 @@ sudo dd if=wolfboot.bin of=/dev/sdc1 bs=512 && sudo cmp wolfboot.bin /dev/sdc1
make test-app/image_v1_signed.bin
```

**Flash the signed application to QSPI:**
**Flash the signed application to QSPI** using the UART programmer (enabled by default via
`UART_QSPI_PROGRAM=1`; requires `pyserial` installed):
```sh
python3 tools/scripts/mpfs_qspi_prog.py /dev/ttyUSB1 \
test-app/image_v1_signed.bin 0x20000
```

**Notes:**
- `UART_QSPI_PROGRAM=1` adds a 3-second boot pause every time. Set to `0` once the flash contents are stable.
- `ELF=0` is required: the test-app linker script (`test-app/RISCV64-mpfs250.ld`) places `.init`
(containing `_reset()`) first so the raw binary entry point is at offset 0. The full ELF with
debug symbols exceeds L2-LIM capacity.
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