Re: zynqmpbif - sample

Jorge Ramirez-Ortiz, Foundries
2021-07-13T11:33:44Z

On 13/07/21, Michal Simek wrote:
>
>
> On 7/13/21 11:25 AM, Jorge Ramirez-Ortiz, Foundries wrote:
> > On 13/07/21, Jorge Ramirez-Ortiz, Foundries wrote:
> >> On 13/07/21, Michal Simek wrote:
> >>> Hi,
> >>>
> >>> On 7/12/21 7:40 PM, Jorge Ramirez-Ortiz, Foundries wrote:
> >>>> hi Michal,
> >>>>
> >>>> Would you have some sample/reference code to generate a SPL boot image
> >>>> using zynqmpbif instead of zynqmpimage? I cant find any documentation
> >>>> and I see no option to enable it (I was expecting to find some config
> >>>> in Makefile.spl but I see none).
> >>>>
> >>>> What is the expected way of building these images?
> >>>
> >>> Alex implemented it for Xilinx bif format after origin zynqmpimage
> >>> format. But usage is just like this.
> >>>
> >>> [u-boot](debian-sent)$ ./tools/mkimage -T zynqmpbif -d /tmp/bif
> >>> /tmp/boot.bin
> >>> Image Type : Xilinx ZynqMP Boot Image support
> >>> Image Offset : 0x000009c0
> >>> Image Size : 147216 bytes (147216 bytes packed)
> >>> PMUFW Size : 129792 bytes (129792 bytes packed)
> >>> Image Load : 0xfffc0000
> >>> Checksum : 0xfd15d661
> >>> [u-boot](debian-sent)$ cat /tmp/bif
> >>> image : {
> >>> [pmufw_image, load=0xffdc0000] /mnt/disk/u-boot-bins/zynqmp/pmu.elf
> >>> [destination_cpu=a53-0, load=0xfffc0000, bootloader] spl/u-boot-spl.bin
> >>> }
> >>
> >> awesome, exactly what I needed to start with.
> >
> > So I can boot using the steps you mentioned above.
> >
> > But shouldnt the same bif work with bootgen?
> >
> > ****** Xilinx Bootgen v2019.2
> > **** Build date : Oct 23 2019-22:59:42
> > ** Copyright 1986-2019 Xilinx, Inc. All Rights Reserved.
> >
> > [TRACE] : Command Line parsing started
> > [TRACE] : Command: -arch zynqmp -image ./bif -w -o bootbif.bin -log trace
> > [INFO] : Command line parsing completed successfully
> > [TRACE] : BIF File: ./bif
> > [TRACE] : BIF file parsing started
> > [TRACE] : Setting PMU FW Image file as pmu.elf
> > [INFO] : BIF file parsing completed successfully
> > [INFO] : Parsing Partition Data to Image
> > [INFO] : Building image - image
> > [INFO] : Building the Partition Header Table
> > [INFO] : After build
> > -- Dump of Binary Image ----
> > 00000000 Len: 000008b8 Res: 00000000 "BootHeader"
> > 00000000 Len: 00000040 Res: 00000000 "ImageHeaderTable"
> > 00000000 Len: 00000024 Res: 00000800 "ImageHeader u-boot-spl.bin"
> > 00000000 Len: 00000040 Res: 00000000 "PartitionHeader u-boot-spl.bin.0"
> > 00000000 Len: 00000040 Res: 000016c0 "PartitionHeader Null"
> > 00000000 Len: 00020574 Res: 00000000 "u-boot-spl.bin.0"
> > -- End of Dump
> > [INFO] : After align
> > -- Dump of Binary Image ----
> > 00000000 Len: 000008b8 Res: 00000000 "BootHeader"
> > 000008c0 Len: 00000040 Res: 00000000 "ImageHeaderTable"
> > 00000900 Len: 00000024 Res: 00000800 "ImageHeader u-boot-spl.bin"
> > 00001100 Len: 00000040 Res: 00000000 "PartitionHeader u-boot-spl.bin.0"
> > 00001140 Len: 00000040 Res: 000016c0 "PartitionHeader Null"
> > 00002800 Len: 00020574 Res: 00000000 "u-boot-spl.bin.0"
> > -- End of Dump
> > [INFO] : Partition Information:
> > [INFO] : Image: u-boot-spl.bin
> > [INFO] : Partition 0: u-boot-spl.bin.0, Size: 132467
> > [INFO] : After Link
> > -- Dump of Binary Image ----
> > 00000000 Len: 000008b8 Res: 00000000 "BootHeader"
> > 000008c0 Len: 00000040 Res: 00000000 "ImageHeaderTable"
> > 00000900 Len: 00000024 Res: 00000800 "ImageHeader u-boot-spl.bin"
> > 00001100 Len: 00000040 Res: 00000000 "PartitionHeader u-boot-spl.bin.0"
> > 00001140 Len: 00000040 Res: 000016c0 "PartitionHeader Null"
> > 00002800 Len: 00020574 Res: 00000000 "u-boot-spl.bin.0"
> > -- End of Dump
> >
> >
> > however when I boot and inspect the processor state, xsdb returns "APU
> > L2 cache is held in reset"
> >
> > Since the functionality to support RSA authentication is missing from
> > mkimage (I'll have to add that), I would first like to see it
> > functional with SPL using bootgen.
> >
> > However the same bif doesnt even boot - is this to be expected?
> >
> > also the layouts generated from the bif using mkimage and bootgen are
> > completely different (it seems that naively I expected them to be the
> > same); is there any information on the different layouts used for the
> > bootrom?
>
>
> I tested it and it works fine for me. Take a look at the code what
> exactly is
>
> [u-boot]$ cat /tmp/bif
> image : {
> [pmufw_image] /mnt/disk/u-boot-bins/zynqmp/pmu.bin
> [destination_cpu=a53-0, load=0xfffc0000, bootloader]
> spl/u-boot-spl-align.bin
> }
>
> Didn't try the latest bootgen but format is changing over years but none
> is updating this tool. Feel free to take a look at it.

weird, I can not boot the bin when using bootgen 2019 nor 2021.

please can you send me the output of the following command so I can compare?
vivado@trex:~/deploy/bootgen_bif$ bootgen -read boot.bin

also, are you booting from QSPI?

thanks a lot!

>
> Thanks,
> Michal
>