topic ls1021a NAND boot in Layerscape https://community.nxp.com/t5/Layerscape/ls1021a-NAND-boot/m-p/752535#M3258 <HTML><HEAD></HEAD><BODY><P>Now, We have a custom ls1021a board which has a nand flash, and we need to boot from nand flash. The uboot,linux kernel,rootfs place on this nand flash. After uboot running, it must load kernel and rootfs from nand. so I&nbsp;think that we must enable "NAND CMD" and "MTD" driver when we compile the uboot.&nbsp;</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/21021i7B4C6E6F44669AE1/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_3.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/21054i3CA76F122DBB3F60/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /></span></P><P></P><P>I see the&nbsp;ls1021aqds_nand_defconfig file which not enable the up options. I confuse that. if not enable, how does uboot read kernel and rootfs?&nbsp;</P></BODY></HTML> Tue, 07 Nov 2017 09:28:21 GMT shunpinglin 2017-11-07T09:28:21Z ls1021a NAND boot https://community.nxp.com/t5/Layerscape/ls1021a-NAND-boot/m-p/752535#M3258 <HTML><HEAD></HEAD><BODY><P>Now, We have a custom ls1021a board which has a nand flash, and we need to boot from nand flash. The uboot,linux kernel,rootfs place on this nand flash. After uboot running, it must load kernel and rootfs from nand. so I&nbsp;think that we must enable "NAND CMD" and "MTD" driver when we compile the uboot.&nbsp;</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/21021i7B4C6E6F44669AE1/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_3.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/21054i3CA76F122DBB3F60/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /></span></P><P></P><P>I see the&nbsp;ls1021aqds_nand_defconfig file which not enable the up options. I confuse that. if not enable, how does uboot read kernel and rootfs?&nbsp;</P></BODY></HTML> Tue, 07 Nov 2017 09:28:21 GMT https://community.nxp.com/t5/Layerscape/ls1021a-NAND-boot/m-p/752535#M3258 shunpinglin 2017-11-07T09:28:21Z