https://community.nxp.com/t5/Layerscape/LX2160A-FlexSPI-NAND-Boot/m-p/1679477#M12762 <P>I'm working on booting from 2K SPI NAND on the LX2160a SoC.</P><P>With some bug fixes to the create_pbl tool, I have managed to boot to BL2. Unfortunately ATF BL2 re-programs the FlexSPI LUTs for NOR flash operation and there is no corresponding NAND flash driver code within ATF.</P><P><A href="https://github.com/nxp-qoriq/atf/tree/lf_v2.8/drivers/nxp/flexspi/nor" target="_blank" rel="noopener">https://github.com/nxp-qoriq/atf/tree/lf_v2.8/drivers/nxp/flexspi/nor</A></P><P><BR />Are reference / SDK software or bare metal drivers for using FlexSPI with NAND flash available somewhere or do NXP intend to add NAND support to ATF?</P><P>The FlexSPI Driver Design document (<A href="https://community.nxp.com/t5/Layerscape-Knowledge-Base/FlexSPI-Driver-Design/ta-p/1354159" target="_blank" rel="noopener">https://community.nxp.com/t5/Layerscape-Knowledge-Base/FlexSPI-Driver-Design/ta-p/1354159</A>) mentions some driver files -&nbsp;<SPAN class=""><SPAN>flexspi_n</SPAN><SPAN>and</SPAN><SPAN>.c etc. Where can I get these from?<BR /><BR />Many thanks</SPAN></SPAN></P> Fri, 30 Jun 2023 09:12:53 GMT womble 2023-06-30T09:12:53Z https://community.nxp.com/t5/Layerscape/LX2160A-FlexSPI-NAND-Boot/m-p/1679477#M12762 <P>I'm working on booting from 2K SPI NAND on the LX2160a SoC.</P><P>With some bug fixes to the create_pbl tool, I have managed to boot to BL2. Unfortunately ATF BL2 re-programs the FlexSPI LUTs for NOR flash operation and there is no corresponding NAND flash driver code within ATF.</P><P><A href="https://github.com/nxp-qoriq/atf/tree/lf_v2.8/drivers/nxp/flexspi/nor" target="_blank" rel="noopener">https://github.com/nxp-qoriq/atf/tree/lf_v2.8/drivers/nxp/flexspi/nor</A></P><P><BR />Are reference / SDK software or bare metal drivers for using FlexSPI with NAND flash available somewhere or do NXP intend to add NAND support to ATF?</P><P>The FlexSPI Driver Design document (<A href="https://community.nxp.com/t5/Layerscape-Knowledge-Base/FlexSPI-Driver-Design/ta-p/1354159" target="_blank" rel="noopener">https://community.nxp.com/t5/Layerscape-Knowledge-Base/FlexSPI-Driver-Design/ta-p/1354159</A>) mentions some driver files -&nbsp;<SPAN class=""><SPAN>flexspi_n</SPAN><SPAN>and</SPAN><SPAN>.c etc. Where can I get these from?<BR /><BR />Many thanks</SPAN></SPAN></P> Fri, 30 Jun 2023 09:12:53 GMT https://community.nxp.com/t5/Layerscape/LX2160A-FlexSPI-NAND-Boot/m-p/1679477#M12762 womble 2023-06-30T09:12:53Z https://community.nxp.com/t5/Layerscape/LX2160A-FlexSPI-NAND-Boot/m-p/1684590#M12825 <P>You could refer to u-boot source code&nbsp;drivers/spi/fsl_fspi_nand.c.</P> Mon, 10 Jul 2023 07:31:22 GMT https://community.nxp.com/t5/Layerscape/LX2160A-FlexSPI-NAND-Boot/m-p/1684590#M12825 yipingwang 2023-07-10T07:31:22Z