https://community.nxp.com/t5/Other-NXP-Products/LS1028-devmem-issue/m-p/2025897#M27080 <P>Hi,</P><P>I am trying 802.1 Qbu test on LS1028ARDB as described under LSDK User Guide (Rev.<BR />21.08, 05 September 2022). Since the rootfs didn't have devmem, I have<BR />installed devmem2 from APT.</P><P>I am getting following error when executing following command<BR />to set the switch to enable merge: (page 1076 of the user guide)</P><P>~# devmem2 0x1fc100048 32 0x111<BR />/dev/mem opened.<BR />Memory mapped at address 0xffffb5ab3000.<BR />Illegal data type '3'.</P><P>How can I install devmem? Or is there another tool?</P><P>Thanks,<BR />Abraham</P> Fri, 10 Jan 2025 15:03:52 GMT akjac 2025-01-10T15:03:52Z https://community.nxp.com/t5/Other-NXP-Products/LS1028-devmem-issue/m-p/2025897#M27080 <P>Hi,</P><P>I am trying 802.1 Qbu test on LS1028ARDB as described under LSDK User Guide (Rev.<BR />21.08, 05 September 2022). Since the rootfs didn't have devmem, I have<BR />installed devmem2 from APT.</P><P>I am getting following error when executing following command<BR />to set the switch to enable merge: (page 1076 of the user guide)</P><P>~# devmem2 0x1fc100048 32 0x111<BR />/dev/mem opened.<BR />Memory mapped at address 0xffffb5ab3000.<BR />Illegal data type '3'.</P><P>How can I install devmem? Or is there another tool?</P><P>Thanks,<BR />Abraham</P> Fri, 10 Jan 2025 15:03:52 GMT https://community.nxp.com/t5/Other-NXP-Products/LS1028-devmem-issue/m-p/2025897#M27080 akjac 2025-01-10T15:03:52Z https://community.nxp.com/t5/Other-NXP-Products/LS1028-devmem-issue/m-p/2027526#M27134 <P>The correct command using devmem2 is:</P><P>&nbsp; devmem2 0x1fc100048 w 0x111</P><P>Hope this helps someone in future.</P><P>Thanks,</P><P>Abraham</P> Tue, 14 Jan 2025 10:21:31 GMT https://community.nxp.com/t5/Other-NXP-Products/LS1028-devmem-issue/m-p/2027526#M27134 akjac 2025-01-14T10:21:31Z