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{
  "commit": "17daef62c4a039f9dd4d64e8f9c00a0e4e4aa6b4",
  "tree": "477cb06d4854198f626ccea3320abf04b3fe9063",
  "parents": [
    "70a2d243a8478c368d5a92c6bfb324d03aa81bcf"
  ],
  "author": {
    "name": "Jamin Lin",
    "email": "jamin_lin@aspeedtech.com",
    "time": "Fri Jan 02 11:35:17 2026 +0800"
  },
  "committer": {
    "name": "Jamin Lin",
    "email": "jamin_lin@aspeedtech.com",
    "time": "Fri Jan 02 11:44:39 2026 +0800"
  },
  "message": "ast27x0: Add Caliptra Manifest boot support and MCU runtime loader framework\n\nAdd initial support for Caliptra Manifest based boot flow on AST2700\nand introduce a generic MCU runtime image loader framework.\n\nThis change adds full parsing, verification, and loading support for\nCaliptra flash images, including manifest header handling, checksum\nverification, image table parsing, and SoC manifest processing. A new\nboot policy is implemented to prefer Caliptra Manifest boot and fall\nback to legacy FIT boot on failure.\n\nKey components introduced in this change:\n\n- Add Caliptra Manifest data structures, image metadata, and helper APIs\n(manifest.c, manifest_image.c, manifest.h).\n- Introduce ast_loader and stor modules to abstract image lookup and\nloading from manifest storage into destination memory.\n- Add board-specific manifest boot handling for AST2700, including\nBL31, U-Boot, SSP, and TSP image post-processing and release flow.\n- Support MCU runtime firmware loading for AST2700 A1/A2 platforms.\n- Support SPL and appended DTB discovery for both Caliptra and FIT paths.\n- Enable SSP boot flow and chained TSP boot when corresponding firmware\nimages are present.\n- Refactor platform constants into platform_ast2700.h and clean up\naddress handling and reserved memory parsing.\n\nThe implementation is aligned with the MCU runtime design used in the\nZephyr-based reference implementation:\nhttps://github.com/AspeedTech-BMC/aspeed-zephyr-project/tree/aspeed-master/apps/mcu-runtime\n\nThis commit establishes the foundation for Caliptra-based boot while\nmaintaining backward compatibility with existing FIT-based boot\nflows.\n\nSigned-off-by: Jamin Lin \u003cjamin_lin@aspeedtech.com\u003e\n",
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