topic Re: unable to initialize LCD using SD card boot in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/unable-to-initialize-LCD-using-SD-card-boot/m-p/278000#M31406 <HTML><HEAD></HEAD><BODY><P>Try video=mxcfb0:dev=ldb,LDB-XGA,if=RGB666</P></BODY></HTML> Tue, 25 Jun 2013 09:38:44 GMT JayTu 2013-06-25T09:38:44Z unable to initialize LCD using SD card boot https://community.nxp.com/t5/i-MX-Processors/unable-to-initialize-LCD-using-SD-card-boot/m-p/277998#M31404 <HTML><HEAD></HEAD><BODY><P>hi,</P><P>I am new to the i.MX6 community and trying to get Linux working on my new i.MX6Q SABRE for Smart Devices board.</P><P>After copying the boot-loader, kernel and root file system image on the SD card and rebooting the board for further testing..<BR />it could not initialize the display... even though we could hear music files being played but nothing was visible on the LCD display..<BR />the bootargs used were: </P><P></P><P> setenv loadaddr 0x10800000 </P><P>setenv bootargs_base 'setenv bootargs console=ttymxc0,115200' </P><P>setenv bootargs_mmc 'setenv bootargs ${bootargs} root=/dev/mmcblk1p1 rootwait rw video=mxcfb1:dev=ldb,LDB-XGA,if=RGB666 video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24' </P><P>setenv bootcmd_mmc 'run bootargs_base bootargs_mmc;mmc dev 2;mmc read ${loadaddr} 0x800 0x2000;bootm' </P><P>setenv bootcmd 'run bootcmd_mmc' </P><P></P><P><SPAN class="mce_paste_marker">any kind of help would be really appreciable.</SPAN></P><P><SPAN class="mce_paste_marker">Thanks before<BR /></SPAN></P></BODY></HTML> Thu, 06 Jun 2013 09:12:30 GMT https://community.nxp.com/t5/i-MX-Processors/unable-to-initialize-LCD-using-SD-card-boot/m-p/277998#M31404 richagoel 2013-06-06T09:12:30Z Re: unable to initialize LCD using SD card boot https://community.nxp.com/t5/i-MX-Processors/unable-to-initialize-LCD-using-SD-card-boot/m-p/277999#M31405 <HTML><HEAD></HEAD><BODY><P>Have already tried adding ldb=dul0 as screen is plugged on to LVDS1...<BR />but still not working..</P></BODY></HTML> Thu, 06 Jun 2013 10:32:01 GMT https://community.nxp.com/t5/i-MX-Processors/unable-to-initialize-LCD-using-SD-card-boot/m-p/277999#M31405 richagoel 2013-06-06T10:32:01Z Re: unable to initialize LCD using SD card boot https://community.nxp.com/t5/i-MX-Processors/unable-to-initialize-LCD-using-SD-card-boot/m-p/278000#M31406 <HTML><HEAD></HEAD><BODY><P>Try video=mxcfb0:dev=ldb,LDB-XGA,if=RGB666</P></BODY></HTML> Tue, 25 Jun 2013 09:38:44 GMT https://community.nxp.com/t5/i-MX-Processors/unable-to-initialize-LCD-using-SD-card-boot/m-p/278000#M31406 JayTu 2013-06-25T09:38:44Z