EMP: a common infrastructure firmware framework for the CMS phase-2 upgrades

Abstract In its phase-2 upgrades, all of the CMS experiment's off-detector electronics systems will be replaced by ATCA boards featuring Xilinx UltraScale+ FPGAs and high-speed optical modules. The various off-detector electronics systems have different high-level purposes and I/O requirements, e.g. requiring different combinations of lpGBT links to/from detector modules, higher-speed data transfer links between off-detector boards, and readout links. The EMP framework provides common infrastructural firmware components, top-level designs and associated software for multiple CMS phase-2 boards and systems. It implements and integrates high-speed serial link engines, data capture and playback buffers, clocking components, and readout. In this paper, we present the EMP framework, along with its testing and validation, and associated build tooling.

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Publication Details

Journal
Journal of Instrumentation
Published
2026-02-01
DOI
https://doi.org/10.1088/1748-0221/21/02/c02019
Primary Topic
Particle Detector Development and Performance
Type
article
Field-Weighted Citation Impact
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article

EMP: a common infrastructure firmware framework for the CMS phase-2 upgrades

M. Pari, T. Mehner, Luis E. Ardila-Perez, Kosmas Adamidis et al.
Journal of Instrumentation
Particle Detector Development and Performance
article

EMP: a common infrastructure firmware framework for the CMS phase-2 upgrades

M. Pari, T. Mehner, Luis E. Ardila-Perez, Kosmas Adamidis, Raghunandan Shukla, David Monk, Stavros Mallios, Ioannis Bestintzanos, Ozgur Sahin, Alessandro Thea, Alex Howard, Kirika Uchida, Serhii Cholak, Jacob Linacre, Kate Whalen, Tom Williams, Gregory Iles, Jonathan Fulcher, Kristian Hahn, Mark Pesaresi, Andrew Rose, Giovanni Petrucciani
article en

Abstract

Abstract In its phase-2 upgrades, all of the CMS experiment's off-detector electronics systems will be replaced by ATCA boards featuring Xilinx UltraScale+ FPGAs and high-speed optical modules. The various off-detector electronics systems have different high-level purposes and I/O requirements, e.g. requiring different combinations of lpGBT links to/from detector modules, higher-speed data transfer links between off-detector boards, and readout links. The EMP framework provides common infrastructural firmware components, top-level designs and associated software for multiple CMS phase-2 boards and systems. It implements and integrates high-speed serial link engines, data capture and playback buffers, clocking components, and readout. In this paper, we present the EMP framework, along with its testing and validation, and associated build tooling.

Journal of InstrumentationVol. 21(02)
Karlsruhe Institute of Technology (DE), Boston University (US), Northwestern University (US), Rutherford Appleton Laboratory (GB), University of Ioannina (GR), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), Université Paris-Saclay (FR), UCLA Health (US), CEA Paris-Saclay (FR), Institut de Recherche sur les Lois Fondamentales de l'Univers (FR), Imperial College London (GB), European Organization for Nuclear Research (CH)
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Particle Detector Development and Performance
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