Quoting their documentation:
Estuary provides a total solution for general-purpose computer based on aarch64 architecture. Anyone can quickly bring up an ARM64 platform – both software and hardware with Estuary. The major goals for Estuary project are:
* A stable\available quick start solution based on ARM64 computer, so that anyone can easily get and bring up the complete development environment, so that you can just focus on your particular field quickly.
* A common basic platform, which should be sustainable and will be continuously improved, can attract\absorb and integrate all 3rd part achievement ceaselessly.
* Sufficient technological documentation, so that any user or partner can easily get useful help from it.
* Simple and effective communication forum for ARM64 ecosystem, so that users can interact and share each other to improve ARM64 ecosystem.
* A bug tracking system, so that anyone can raise, track and help to resolve the issues, this will help to mature the solution and enhance the ecosystem.
* Multiple ARM64-based hardware platforms, and related software to speed up the ARM64 ecosystem development.
* The most key goal of Estuary project is to support, enable and speed up the maturity of ARM64 ecosystem.
For hardware, they currently support two AArch64 SOC boards, D01, D02 boards. For OS, they support Linux or Windows. For, firmware they say they support “Multi-kinds of boot loader will be enabled for Estuary, include but not limited to UEFI\Grub, uboot.” But currently they appear to support UEFI and GRUB. Amongst the other tools included in Estuary is a LAVA system, Linaro’s Automated Validation system, which performs continuous integration on QEMU- and multiple ARM-based devices, letting you reinstall firmware, OS, run pre-OS tests, and gather results.
They include their UEFI changes in their project changelogs, eg their 2.0 release from last month included two entries on UEFI:
9. Pubished the latest UEFI source code for D02 and eanbled building UEFI from source code directly.
11. Upgraded UEFI to add PCIE scaning.
a. Remove GE4 and keep only GE5 on UEFI, to avoid confusion with 2 NICs.
b. Re-enable PCI Express link up for port 1 and 2 (According to PCI Express slots on the board).
c. Fix PXE timeout issue.
d. Re-enable showbrdnum and setbrdnum commands on EBL.
e. Fix several other bugs.
They are still using Ubuntu 12.04.