https://community.nxp.com/t5/i-MX-Processors/iMX8M-Mini-eCSPI-boot/m-p/1267899#M173177 <P>On a system of ours, we have successfully implemented the eCSPI boot for the iMX8M Nano.</P><P>When using the same approach for the iMX8M Mini, I have the following question.<BR />So far we have been able to start the SPL from eCSPI, but after that I'm not sure how the SPL is expected to load the rest of the bootloader (U-Boot) from flash.</P><P>The Nano uses the BootROM API for this, but looking at the U-Boot code this API is not implemented for the Mini. Is it a possibility to use the BootROM API on the Mini for purpose of eCSPI boot?</P><P>The Mini uses AHB access to load data via FlexSPI/QSPI, but I'm not sure this access method can be used for the eCSPI1 interface. Is this possible?</P> Mon, 26 Apr 2021 07:02:44 GMT wouher 2021-04-26T07:02:44Z https://community.nxp.com/t5/i-MX-Processors/iMX8M-Mini-eCSPI-boot/m-p/1267899#M173177 <P>On a system of ours, we have successfully implemented the eCSPI boot for the iMX8M Nano.</P><P>When using the same approach for the iMX8M Mini, I have the following question.<BR />So far we have been able to start the SPL from eCSPI, but after that I'm not sure how the SPL is expected to load the rest of the bootloader (U-Boot) from flash.</P><P>The Nano uses the BootROM API for this, but looking at the U-Boot code this API is not implemented for the Mini. Is it a possibility to use the BootROM API on the Mini for purpose of eCSPI boot?</P><P>The Mini uses AHB access to load data via FlexSPI/QSPI, but I'm not sure this access method can be used for the eCSPI1 interface. Is this possible?</P> Mon, 26 Apr 2021 07:02:44 GMT https://community.nxp.com/t5/i-MX-Processors/iMX8M-Mini-eCSPI-boot/m-p/1267899#M173177 wouher 2021-04-26T07:02:44Z