<div dir="ltr">Hi,<div><br></div><div>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. </div><div><br></div><div>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:</div><div><br></div><div>With fdt:</div><div>------------------------------</div><div>ZynqMP> tftpboot 0x3000000 rdubey/sp01.img                                      <br></div><div>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 ### <br></div><div><div></div><div>------------------------------</div></div><div><br></div><div>With loading the system.dtb that I generally use for loading yocto linux images:</div><div><br></div><div><br></div><div>---------------------<br></div><div>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 ### <br></div><div><br></div><div>---------------------</div><div><br></div><div>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.</div></div>