[meta-xilinx] BOOT.BIN creation with hdf files

Tue Aug 4 09:30:36 PDT 2015

Nathan,

                I had successfully booted  from SD card with  boot.bin, core-image-minimal-zc702-zynq7-20150604152438.rootfs.cpio.gz.u-boot, u-boot-dtb.img, uImage & zc702-zynq7.dtb generating from  Xilinx yocto kernel environment on zc702 evaluation board.

As per our architecture design of  7030, SD card cannot be used as boot device because it is connected to SD1 interface, only QSPI flash is available as boot device.

Today  I have tried copying ps7_init.c & ps7_init.h files contained in the hdf file to /yocto/ZC702/tmp/work/zc702_zynq7-poky-linux-gnueabi/fsbl-platform-init/2014.4-r0/git/lib/sw_apps/zynq_fsbl/src & generated BOOT.BIN.

I copied BOOT.BIN into QSPI flash & then changed the boot mode to QSPI flash. After power ON it is unable to boot from QSPI flash. I am thinking the problem might  be due to missing u-boot-dtb.img which is generated in yocto but not in petalinux or other SDK environments.

Kindly suggest the steps required for booting from QSPI flash for Xilinx yocto environment with a given hdf file.

Thanks & Regards,

Kumar

-----Original Message-----
From: Nathan Rossi [mailto:nathan at nathanrossi.com]
Sent: Friday, July 10, 2015 2:04 PM
To: Magnus Olsson
Cc: Kumar Nagaraj; meta-xilinx at yoctoproject.org
Subject: Re: [meta-xilinx] BOOT.BIN creation with hdf files

On Fri, Jul 10, 2015 at 4:47 PM, Magnus Olsson <Mago at hms.se<mailto:Mago at hms.se>> wrote:

> I can only speak for meta-xilinx dizzy branch which is what I use, but AFAIK the only boot.bin generation it supports is the one provided by u-boot-xlnx.

>

>

> With meta-xilinx, your boot.bin will contain U-boot SPL and nothing else. You can then load FPGA images from U-boot (e.g your fpga.bit). U-boot SPL only needs ps7_init.c and ps7_init.h to build.

Note: u-boot-spl is able to load the bitstream during boot. This is very very similar functionally to FSBL.

>

>

> If you need to load the FPGA earlier than U-boot in your boot sequence, you need to package boot.bin using the Xilinx SDK tool "bootgen". It allows packaging FSBL, FPGA image and U-boot. AFAIK there is no support for this in meta-xilinx, since it brings in a huge dependency on Xilinx SDK which is not easy to package (nor possible due to licenses I think).

>

FSBL requires a newlib baremetal toolchain. So its technically possible to build FSBL without the need for XSDK, however there would be a large amount of work to get this working. Secondly the bootgen tool is not available outside of XSDK so even if FSBL could be built the other problem would be generating a BOOT.BIN image which has the FSBL image tables and content. Since there is an (in my opinion,

superior) open source solution to this problem (u-boot-spl) there is significantly less interest in having this support in meta-xilinx.

> ________________________________

> From: meta-xilinx-bounces at yoctoproject.org<mailto:meta-xilinx-bounces at yoctoproject.org>

> <meta-xilinx-bounces at yoctoproject.org<mailto:meta-xilinx-bounces at yoctoproject.org>> on behalf of Kumar Nagaraj

> <kumarn at hcl.com<mailto:kumarn at hcl.com>>

> Sent: Wednesday, July 8, 2015 16:59

> To: meta-xilinx at yoctoproject.org<mailto:meta-xilinx at yoctoproject.org>

> Subject: [meta-xilinx] BOOT.BIN creation with hdf files

>

> Hai,

>                 I need to generate a custom BOOT.BIN for ZC7030 device with provided hdf that consists of the following:

> Ps7_init.c

> Ps7_init.h

> Ps7_init.html

> Ps7_init.tcl

> Ps7_init_gpl.c

> Ps7_init_gpl.h

> Sysdef.xml

> Fpga.hwh

> Fpga_bd.tcl

> Fpga_reg_if.tcl

> Fpga.bit

>

>

> ·         Kindly provide the steps required for generating BOOT.BIN using hdf file.

>

> ·         In the current yocto build environment I noticed that fsbl source code is present in the path /yocto/ZC702/tmp/work/zc702_zynq7-poky-linux-gnueabi/fsbl-platform-init/2014.4-r0/git/lib/sw_apps/zynq_fsbl/src.

For reference the existence of the fsbl codebase which is grabbed as part of the fsbl-platform-init recipe is how the ps7_init_gpl.[ch] is grabbed for the zc702, zc706, etc. machines. This recipe will likely disappear in the future as u-boot upstream now contains a version of these ps7_init_gpl.[ch] files.

e.g. http://git.denx.de/?p=u-boot.git;a=tree;f=board/xilinx/zynq/ZC702_hw_platform;h=fde2238e18a5e8bf99d5eea0fbed5fa01399febd;hb=HEAD

Regards,

Nathan

>

> Do I have to copy the above files into this path & issue build command. If yes then what is the build command?

>

>

>

> Thanks & Regards,

> M.N.Kumar

> Software Technical Lead

> HCL Technologies

> Mobile: 91-9884636236

> E :  kumarn at hcl.com<mailto:kumarn at hcl.com<mailto:kumarn at hcl.com%3cmailto:kumarn at hcl.com>>

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