Blunk offers BSPs, including board initialization and low-level drivers, with full middleware support for the following boards:

Altera Nios2 Embedded Evaluation Kit, Cyclone III Edition Getting Started guide
Cortus Instruction Set Simulator (no external hardware required!) Getting Started guide
Digilent Zynq Development Board (ZYBO) Getting Started guide
Embedded Artists LPC1788 Dev Kit Getting Started guide
Xilinx zc702 Evaluation Board Getting Started guide
Zedboard.org Zynq Development Kit Getting Started guide

For support for a board not listed above, contact Blunk Microsystems for an affordable quote on a custom board support package.