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<p class="MsoNormal">If you’re only running RTEMS, you should be able to drop the FDT commands since that what appears to be causing the problem and I don’t think that the arm/xilinx_zynqmp BSP uses it at all.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Kinsey<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><b>From:</b> Richi Dubey <richidubey@gmail.com>
<br>
<b>Sent:</b> Wednesday, April 14, 2021 01:01<br>
<b>To:</b> Kinsey Moore <kinsey.moore@oarcorp.com>; rtems-devel@rtems.org <devel@rtems.org><br>
<b>Subject:</b> Booting a rtems exe on Zynq UltraScale+ MPSoC ZCU106 board<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Hi,<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">I followed the <a href="https://docs.rtems.org/branches/master/user/bsps/bsps-arm.html#xilinx-zynqmp" target="_blank">
8.2.23 docs</a> to build rtems for the xilinx_zynqmp_ultra96 bsp since it was the only bsp corresponding to xilinx-zynqmp in the rtems-bsp. <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Then I followed the boot via Uboot section
<a href="https://docs.rtems.org/branches/master/user/bsps/bsps-arm.html#boot-via-u-boot" target="_blank">
8.2.1.1 on docs</a>, but the uboot on zcu106 does not have a run loadfdt command, and its alternative is fdt addr [address]. But something is wrong, I cannot run the sp01.img file:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">With fdt:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">------------------------------<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">ZynqMP> tftpboot 0x3000000 rdubey/sp01.img <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Using ethernet@ff0e0000 device <br>
TFTP from server 172.19.0.3; our IP address is 172.19.2.40 <br>
Filename 'rdubey/sp01.img'. <br>
Load address: 0x3000000 <br>
Loading: #### <br>
6.9 MiB/s <br>
done <br>
Bytes transferred = 50978 (c722 hex) <br>
ZynqMP> fdt addr 0x2A00000 <br>
ZynqMP> bootm 0x3000000 - 0x2A00000 ; reset <br>
## Booting kernel from Legacy Image at 03000000 ... <br>
Image Name: RTEMS <br>
Image Type: ARM Linux Kernel Image (gzip compressed) <br>
Data Size: 50914 Bytes = 49.7 KiB <br>
Load Address: 00300000 <br>
Entry Point: 00300000 <br>
Verifying Checksum ... OK <br>
## Flattened Device Tree blob at 02a00000 <br>
Booting using the fdt blob at 0x2a00000 <br>
Uncompressing Kernel Image ... OK <br>
Loading Device Tree to 0000000007ff1000, end 0000000007fff257 ... OK <br>
fdt_find_or_add_subnode: chosen: FDT_ERR_BADSTRUCTURE <br>
ERROR: /chosen node create failed <br>
- must RESET the board to recover. <br>
<br>
FDT creation failed! hanging...### ERROR ### Please RESET the board ### <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">------------------------------<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">With loading the system.dtb that I generally use for loading yocto linux images:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">---------------------<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">ZynqMP> tftpboot 0x2A00000 rdubey/system.dtb <br>
Using ethernet@ff0e0000 device <br>
TFTP from server 172.19.0.3; our IP address is 172.19.253.142 <br>
Filename 'rdubey/system.dtb'. <br>
Load address: 0x2a00000 <br>
Loading: ###T # <br>
8.8 KiB/s <br>
done <br>
Bytes transferred = 45656 (b258 hex) <br>
ZynqMP> tftpboot 0x3000000 rdubey/sp01.img <br>
Using ethernet@ff0e0000 device <br>
TFTP from server 172.19.0.3; our IP address is 172.19.253.142 <br>
Filename 'rdubey/sp01.img'. <br>
Load address: 0x3000000 <br>
Loading: #### <br>
1.7 MiB/s <br>
done <br>
Bytes transferred = 50978 (c722 hex) <br>
ZynqMP> bootm 0x3000000 - 0x2A00000 ; reset <br>
## Booting kernel from Legacy Image at 03000000 ... <br>
Image Name: RTEMS <br>
Image Type: ARM Linux Kernel Image (gzip compressed) <br>
Data Size: 50914 Bytes = 49.7 KiB <br>
Load Address: 00300000 <br>
Entry Point: 00300000 <br>
Verifying Checksum ... OK <br>
## Flattened Device Tree blob at 02a00000 <br>
Booting using the fdt blob at 0x2a00000 <br>
Uncompressing Kernel Image ... OK <br>
Loading Device Tree to 0000000007ff1000, end 0000000007fff257 ... OK <br>
<br>
Starting kernel ... <br>
<br>
"Synchronous Abort" handler, esr 0x02000000 <br>
elr: ffffffff90593000 lr : 0000000010081868 (reloc) <br>
elr: 0000000000300000 lr : 000000007fdee868 <br>
x0 : 0000000000000000 x1 : 0000000000000000 <br>
x2 : 0000000007ff1000 x3 : 0000000000000000 <br>
x4 : 0000000000300000 x5 : 0000000000000000 <br>
x6 : 0000000000000008 x7 : 0000000000000000 <br>
x8 : 000000007dda0650 x9 : 0000000001008000 <br>
x10: 000000000a200023 x11: 0000000000000002 <br>
x12: 0000000000000002 x13: 00000000000096f4 <br>
x14: 000000007dda06ac x15: 000000007fdee224 <br>
x16: 0000000000000002 x17: 0000000007fff258 <br>
x18: 000000007ddacde8 x19: 000000007fead720 <br>
x20: 0000000000000000 x21: 0000000000000400 <br>
x22: 000000000000071f x23: 000000007fdeedb8 <br>
x24: 0000000000000003 x25: 000000007ddbd378 <br>
x26: 000000007fe9ac18 x27: 0000000000300000 <br>
x28: 0000000003000040 x29: 000000007dda0790 <br>
<br>
Resetting CPU ... <br>
<br>
### ERROR ### Please RESET the board ### <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">---------------------<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">What might be going wrong? zcu106 is a multi processor board, so do I need to do something special to run the sp01 test? I have not tested any other .exe (or .img) so far.<o:p></o:p></p>
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