RTEMS on Zynq Microzed

[Jeff Webb]

On 09/30/2015 10:34 AM, Davide Viti wrote:
> Hi,
> I own a Microzed board and recently managed to boot it using buildroot using a recent (2015.07) uboot and the Zedboard DTS shipped in the Xilinx repository of the linux kernel.
> Given the above, I assumed I cuold try RTEMS on the Microzed, using the Zedboard BSP.
>
> I successfully built the toolchain and the BSP (xilinx_zynq_zedboard) out of the latest version of the git repositories and I'm trying to boot the hello.exe sample following these steps:
>
> arm-rtems4.11-objcopy -R -S -O binary hello.exe hello.bin
> mkimage -A arm -O rtems -T kernel -C none -n "RTEMS Application" -d hello.bin hello.img
>
> I write the hello.img file on the microSD along with:
>
>   - BOOT.BIN
>   - system.bit
>   - u-boot-dtb.img
>
> and u-boot starts fine:
>
> ---------------------------
> U-Boot SPL 2015.07 (Sep 25 2015 - 09:24:38)
> mmc boot
> reading system.dtb
> spl_load_image_fat_os: error reading image system.dtb, err - -1
> reading u-boot-dtb.img
> reading u-boot-dtb.img
>
>
> U-Boot 2015.07 (Sep 25 2015 - 09:24:38 +0200)
>
> Model: Zynq MicroZED Board
> I2C:   ready
> DRAM:  ECC disabled 1 GiB
> MMC:   zynq_sdhci: 0
> Using default environment
>
> In:    serial
> Out:   serial
> Err:   serial
> Model: Zynq MicroZED Board
> Net:   Gem.e000b000
> Error: Gem.e000b000 address not set.
>
> zynq-uboot> fatload mmc 0 0x1000000 hello.img
> reading hello.img
> 1039120 bytes read in 107 ms (9.3 MiB/s)
> zynq-uboot> bootm 0x1000000
> ## Booting kernel from Legacy Image at 01000000 ...
>     Image Name:   RTEMS Application
>     Image Type:   ARM RTEMS Kernel Image (uncompressed)
>     Data Size:    1039056 Bytes = 1014.7 KiB
>     Load Address: 00000000
>     Entry Point:  00000000
>     Verifying Checksum ... OK
>     Loading Kernel Image ... OK
> ## Transferring control to RTEMS (at address 00000000) ...
>
> Could you please give me some advices?
> Are there any known success stories with this board

I have RTEMS running on a ZedBoard, but I have not tried the microzed yet.  I did not use u-boot, however.  I built a new BOOT.BIN file using the SDK that consisted of the fsbl, fpga bitstream, and my RTEMS elf application.  (Basically, I just replaced u-boot with my RTEMS application).

-Jeff