[U-Boot] Xilinx Zed Board resets with Master

[Michal Simek]

Hi,

On 03/27/2014 09:08 AM, Tim Sander wrote:
> Hi
> 
> As i have seen that the Xilinx support has entered master i just tried to boot 
> it on a Xilinx Zynx Zedboard Rev. D. The build works with the xilinx git tree 
> so i am pretty confident that its not some issues with bootgen or the embedded 
> fpga image.
> 
> The board loads the fpga which can be seen by the blue "done" led of the 
> ZedBoard. But then the LED turns off and about after a second or so it just 
> lights up shortly again to turn off again. So it seems as if the board is 
> somehow caught in a reboot loop. Any ideas what might be wrong?
> 
> I am building with:
> export PATH=~/xilinx/SDK/2013.3/gnu/arm/lin/bin:$PATH
> export CROSS_COMPILE=arm-xilinx-linux-gnueabi-
> make clean
> make distclean
> make zynq_zed_config
> make
> 
> The BOOT.BIN is build
> xilinx/SDK/2013.3/bin/lin64/bootgen -image u-boot.bif -w on -o BOOT.BIN
> 
> And u-boot.bif looks like that:
> the_ROM_image:
> {
>  [bootloader]zynq_fsbl_0.elf
> system.bit
> u-boot.elf
> }

mainline u-boot support is using configuration based on dts files (OF_CONTROL)
And because our DTSes are almost empty in mainline I expect you are not able
to see anything from u-boot.
I recommend you to copy dts file from xilinx kernel and then use u-boot-dtb version.
Or the second option is to remove OF_CONTROL from zynq-common.h file
and then I hope you should be able to see something on console.

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform


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