See what happened during the first day of Linaro Connect Budapest 2017. Watch the keynote, read about all the announcements and see all the sessions that took place.

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The University of Sao Paulo, with support of LSITEC (an NGO Design House), has all of the necessary equipment to design and manufacture 96boards computers and mezzanine boards. Working with one of Linaro’s partners, LeMaker, LSITEC has produced the LeMaker Guitar single board computer under license, and is now looking forward to producing 96boards and accessories the same way. The final goal is to strengthen the gap between industry and universities, producing professionals with high design skills in embedding computing to society, while providing to Linaro and its partners the ability to have high quality boards in various volumes of manufacturing.

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On a device it’s not uncommon to share power domains between secure and non-secure side, for example between a TEE and Linux kernel. With that comes some challenges that needs to be taken care of and that is the theme for this presentation. We’ve identified a couple of challenges when it comes to power management and security. One case is when sharing power resources (clock, power domains, ...) between secure and non-secure devices. Another is to make a proper shutdown and boot-up sequence (CPU on/off etc) and finally there has been some concerns regarding the latency when communicating with PSCI. In this session we would like to highlight those and discuss what the short and long term plans are.

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The ARM ecosystem needs full stack development tools, currently you need an Intel machine to develop for ARM. This makes developing for ARM a 2nd class citizen. The need is shown greatly in the datacenter where we need developers and engineers to start working on ARM as a 1st class citizen. To enable this developers need access to ARMv8 based development systems with UEFI and ACPI capability. From small NUC like devices (with expandable memory and SATA ssd/disk), to ARM powered notebooks and workstations (that provide PCIe, SATA and DIMM). Finally ARM server access as cloud/baremetal instances for production testing. This session is to gather requirements and review options that can be provided/developed.

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Upstream community hasn’t had active participation around ION for past couple of years. Let us meet to discuss what can we do to change ‘status quo’. The session will include: - Brief status on where we stand on ION - Why isn’t upstream community ‘not interested’ - How can we attempt to influence that

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Highlight the fact that they work across boards, e.g. LCD, PWM control, sensorhub, drone, etc.

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A discussion on the needs of ARM based Automotive software

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GPGPUs (General Purpose Graphics Processing Unit) are becoming a relevant functional block on SoCs, particularly on the ARM ecosystem. Extracting full performance of a GPU is now becoming a combination of well integrated and optimized software and hardware. Motivated by that, there are many Open GPU initiatives around the world using FPGAs, but most (if not all) of these are on Intel platforms. This project aims to present an Open GPU based on an FPGA using the ARM Instruction Set. The driver platform adopted was the well know MESA 3D (www.mesa3d.org). We will describe the co-design approach to designing the OpenGPU. A functional demonstration of the OpenGPU working on a range of OpenGl applications ported by Linaro will be shown. On the fly we will change drivers between: SW only, GPU on Asic, and OpenGPU to see its performance impact. The engineers that implemented this system will be at the session to support detailed technical questions.

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Progress, difficulties and questions surrounding the creation of bootable openSUSE images in the Open Build Service for the various 96Boards (HiKey, DragonBoard 410c, Bubblegum-96, Poplar, Mediatek X20) are presented. Focus is kernel and bootloaders as well as openSUSE specific tools.

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The Linux kernel is one of the most successful software-development projects ever. To get there we had to surmount a number of process and community-management hurdles, though. The result is a development process that is a wonder to behold, but it would be a mistake to say that we have solved all of our problems forevermore. We are facing a number of obstacles that, beyond limiting our future growth, might even threaten our ability to sustain our current development pace. What are those obstacles, and what can we be doing to address them?

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