This page contains release notes for the Altera GSRD (Golden System Reference Design) v15.1.

Release Notes


  • SoCKit GSRD has been updated to use ACDS 15.1 and SoC EDS 15.1
GSRD now uses GHRD that is shipped as part of SoC EDS.


This Linux BSP release supports the SoCKit Development Kit, and provides the following:
  • Linux kernel v3.10 LTSi
  • Drivers: I2C, LCD, EEPROM, RTC, Ethernet, USB (Host), Watchdog, SD/MMC, QSPI, DMA, FPGA Manager, and FPGA Bridges
  • Boards: Arrow SoCKit Rev B, C and E
  • U-Boot v2013.01

Preloader & U-Boot

It is highly recommended that the preloader and u-boot are built from the same commit.

Here are the new features and enhancement done for 15.1 Preloader and U-Boot:

Preloader and u-boot is similar to GSRD 14.0.2

Release Contents

The GSRD sources and prebuilt binaries can be downloaded by clicking on the links below.
Folder File Description MD5SUM
bin linux-sockit-gsrd-15.1-bin.tar.gz SoCKit Binaries Archive 403903a002f6d6c0d09721b6c6da9ba8
ghrd sockit_ghrd_15.1.tar.gz SoCKit GHRD Archive 3eefef5dca74836b20edb200e260abf6
src boot.script U-Boot script 1aced228466670edcce432afc022ac6c

The following documents are also part of the release:

Document Description
GSRD v15.1 - Release Notes - Arrow SoCKit Edition (this webpage) Release Notes
GSRD v15.1 - User Manual - Arrow SoCKit Edition User Manual
The SoCKit precompiled binaries archives (linux-sockit-gsrd-15.1-bin.tar.gz ) contain the following files:

Cyclone V File Name Description
sockit-gsrd-15.1-rootfs.ext3 Root filesystem in EXT3 format
sockit-gsrd-15.1-rootfs.tar.xz Root filesystem as compressed tarball
preloader-mkpimage.bin Preloader image
sockit-gsrd-15.1-sdcard.img.tar.gz Compressed bootable SD card image
soc_system.dtb Device Tree Blob
soc_system.rbf Compressed FPGA configuration file
u-boot.scr U-boot script for configuring the FPGA
u-boot-sockit.img U-boot image
zImage Compressed Linux kernel image

U-boot, Linux kernel and Yocto source packages are also provided through the git trees at, as shown in the table below.
Component Git address Branch Tag
Linux linux-socfpga.git socfpga-3.10-ltsi  
U-Boot u-boot-socfpga.git socfpga_v2013.01.01  
Angstrom angstrom-socfpga.git angstrom-v2014.12-socfpga_gsrd15.1  
Ref Designs linux-refdesigns.git socfpga-15.1 ACDS15.1_REL_GSRD_PR

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