topic How to boot i.MX6 Yocto BSP from NAND Flash ? in i.MX Processors

topic How to boot i.MX6 Yocto BSP from NAND Flash ? in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/How-to-boot-i-MX6-Yocto-BSP-from-NAND-Flash/m-p/328872#M44262 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #333333;">Hi There, </SPAN></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P><SPAN style="color: #333333;">We have a custom board that is similar to the imx6q sabresd (+NAND flash) that we are working on porting the new Yocto BSP to. What works so far</SPAN></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P><SPAN style="color: #333333;">1. Booting LTIB BSP from SD card and NAND Flash </SPAN></P><P><SPAN style="color: #333333;">2. Booting Yocto BSP from SD card (by modifying <SPAN style="color: #333333;">mx6qsabresd.h</SPAN> & mx6qsabre_common.h)<BR /></SPAN></P><P><SPAN style="color: #333333;">3. Reading & Writing NAND Flash in Yocto u-boot (2013.04)<BR /></SPAN></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P><SPAN style="color: #333333;">However, when attempting to boot the Yocto U-boot from NAND flash there is no bootloader console output. The same binary (but w/o the header - u-boot.imx) written to the SD card (with the 0x400 offset) works OK. I know one needs to modify uboot to have the environment read from the nand-flash, however its my impression that at the very minimum there should be some console output using the same uboot binary. Which is where I might be mistaken. Are there any other modifications needed ? I use the following command to program uboot to Flash. </SPAN></P><P><SPAN style="color: #000000; font-style: normal; font-size: 11px; font-family: 'Courier New'; font-weight: normal;"><BR /></SPAN></P><P><SPAN style="color: #000000; font-style: normal; font-size: 11px; font-family: 'Courier New'; font-weight: normal;">kobs-ng init -v --chip_0_device_path=/dev/mtd0 u-boot.bin</SPAN></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P><SPAN style="color: #333333;">Programming my LTIB-based uboot using this works OK, so that narrows down the problem to the actual content of the new Yocto u-boot.bin. Hexdumping the mtd0 partition reveals some differences in the first few hundred bytes, but I'm not sure if its significant </SPAN></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">@ubuntu:/project/yocto/build1$ hexdump -C ltib_uboot -n 1000</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000000  00 00 67 fb ff ff 46 43  42 20 00 00 00 01 50 3c  |..g...FCB ....P<|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000010  19 06 00 00 00 00 00 08  00 00 40 08 00 00 40 00  |..........@...@.|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 04 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000030  00 00 00 02 00 00 00 02  00 00 04 00 00 00 0a 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000040  00 00 03 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000060  00 00 00 00 00 00 00 00  00 00 00 02 00 00 00 05  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000070  00 00 b9 00 00 00 b9 00  00 00 00 01 00 00 cf 07  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000080  00 00 00 00 00 00 00 08  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000090  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">*</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000200  1c 0f 17 1f 05 00 00 00  00 00 19 00 00 15 19 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000210  00 15 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000220  00 13 00 00 00 00 16 00  00 00 16 00 00 13 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000230  00 0f 00 00 00 0a 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000240  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000250  00 00 00 00 00 00 00 00  00 00 00 00 00 00 16 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000260  00 00 0f 00 00 16 00 00  00 16 00 00 00 00 1c 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000270  00 1b 19 00 00 00 00 00  00 00 19 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000280  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P></P><P></P><P><SPAN style="font-size: 8pt;">@ubuntu:/project/yocto/build1$ hexdump -C uboot_yocto -n 1000</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000000  00 00 d3 fc ff ff 46 43  42 20 00 00 00 01 50 3c  |......FCB ....P<|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000010  19 06 00 00 00 00 00 08  00 00 40 08 00 00 40 00  |..........@...@.|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 04 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000030  00 00 00 02 00 00 00 02  00 00 04 00 00 00 0a 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000040  00 00 03 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000060  00 00 00 00 00 00 00 00  00 00 00 02 00 00 00 05  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000070  00 00 02 01 00 00 02 01  00 00 00 01 00 00 cf 07  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000080  00 00 00 00 00 00 00 08  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000090  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-size: 8pt;">*</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000200  1c 0f 17 1f 05 00 00 00  00 00 19 00 00 15 19 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000210  00 15 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000220  00 13 00 00 00 00 16 00  00 00 16 00 00 13 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000230  00 0f 00 00 00 0a 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000240  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000250  00 00 00 00 00 00 00 00  00 00 00 00 00 00 16 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000260  00 00 0f 00 00 16 1c 00  00 16 1c 00 00 00 1c 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000270  00 1b 19 00 00 00 00 00  00 00 19 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000280  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-size: 8pt; font-family: courier new,courier;">*</SPAN></P><P><SPAN style="font-size: 8pt; font-family: courier new,courier;">000003e8</SPAN></P><P></P><P>Also, performing a "nand dump 0" in the LTIB u-boot shows the same data as in the new Yocto u-boot. That proves that the Yocto u-boot can read the Flash OK.</P><P></P><P>Any hints on what the problem could be would be appreciated </P><P></P><P>Thanks,</P><P></P><P>/Otto</P><P></P><P></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P></P><P></P><P></P><P></P><P></P><P><A class="jx-jive-macro-user" href="https://community.nxp.com/people/andrewk">andrewk</A></P></BODY></HTML> Thu, 18 Sep 2014 18:06:46 GMT ottob 2014-09-18T18:06:46Z How to boot i.MX6 Yocto BSP from NAND Flash ? https://community.nxp.com/t5/i-MX-Processors/How-to-boot-i-MX6-Yocto-BSP-from-NAND-Flash/m-p/328872#M44262 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #333333;">Hi There, </SPAN></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P><SPAN style="color: #333333;">We have a custom board that is similar to the imx6q sabresd (+NAND flash) that we are working on porting the new Yocto BSP to. What works so far</SPAN></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P><SPAN style="color: #333333;">1. Booting LTIB BSP from SD card and NAND Flash </SPAN></P><P><SPAN style="color: #333333;">2. Booting Yocto BSP from SD card (by modifying <SPAN style="color: #333333;">mx6qsabresd.h</SPAN> & mx6qsabre_common.h)<BR /></SPAN></P><P><SPAN style="color: #333333;">3. Reading & Writing NAND Flash in Yocto u-boot (2013.04)<BR /></SPAN></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P><SPAN style="color: #333333;">However, when attempting to boot the Yocto U-boot from NAND flash there is no bootloader console output. The same binary (but w/o the header - u-boot.imx) written to the SD card (with the 0x400 offset) works OK. I know one needs to modify uboot to have the environment read from the nand-flash, however its my impression that at the very minimum there should be some console output using the same uboot binary. Which is where I might be mistaken. Are there any other modifications needed ? I use the following command to program uboot to Flash. </SPAN></P><P><SPAN style="color: #000000; font-style: normal; font-size: 11px; font-family: 'Courier New'; font-weight: normal;"><BR /></SPAN></P><P><SPAN style="color: #000000; font-style: normal; font-size: 11px; font-family: 'Courier New'; font-weight: normal;">kobs-ng init -v --chip_0_device_path=/dev/mtd0 u-boot.bin</SPAN></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P><SPAN style="color: #333333;">Programming my LTIB-based uboot using this works OK, so that narrows down the problem to the actual content of the new Yocto u-boot.bin. Hexdumping the mtd0 partition reveals some differences in the first few hundred bytes, but I'm not sure if its significant </SPAN></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">@ubuntu:/project/yocto/build1$ hexdump -C ltib_uboot -n 1000</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000000  00 00 67 fb ff ff 46 43  42 20 00 00 00 01 50 3c  |..g...FCB ....P<|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000010  19 06 00 00 00 00 00 08  00 00 40 08 00 00 40 00  |..........@...@.|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 04 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000030  00 00 00 02 00 00 00 02  00 00 04 00 00 00 0a 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000040  00 00 03 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000060  00 00 00 00 00 00 00 00  00 00 00 02 00 00 00 05  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000070  00 00 b9 00 00 00 b9 00  00 00 00 01 00 00 cf 07  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000080  00 00 00 00 00 00 00 08  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000090  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">*</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000200  1c 0f 17 1f 05 00 00 00  00 00 19 00 00 15 19 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000210  00 15 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000220  00 13 00 00 00 00 16 00  00 00 16 00 00 13 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000230  00 0f 00 00 00 0a 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000240  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000250  00 00 00 00 00 00 00 00  00 00 00 00 00 00 16 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000260  00 00 0f 00 00 16 00 00  00 16 00 00 00 00 1c 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000270  00 1b 19 00 00 00 00 00  00 00 19 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000280  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P></P><P></P><P><SPAN style="font-size: 8pt;">@ubuntu:/project/yocto/build1$ hexdump -C uboot_yocto -n 1000</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000000  00 00 d3 fc ff ff 46 43  42 20 00 00 00 01 50 3c  |......FCB ....P<|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000010  19 06 00 00 00 00 00 08  00 00 40 08 00 00 40 00  |..........@...@.|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 04 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000030  00 00 00 02 00 00 00 02  00 00 04 00 00 00 0a 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000040  00 00 03 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000060  00 00 00 00 00 00 00 00  00 00 00 02 00 00 00 05  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000070  00 00 02 01 00 00 02 01  00 00 00 01 00 00 cf 07  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000080  00 00 00 00 00 00 00 08  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000090  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-size: 8pt;">*</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000200  1c 0f 17 1f 05 00 00 00  00 00 19 00 00 15 19 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000210  00 15 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000220  00 13 00 00 00 00 16 00  00 00 16 00 00 13 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000230  00 0f 00 00 00 0a 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000240  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000250  00 00 00 00 00 00 00 00  00 00 00 00 00 00 16 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000260  00 00 0f 00 00 16 1c 00  00 16 1c 00 00 00 1c 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000270  00 1b 19 00 00 00 00 00  00 00 19 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">00000280  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|</SPAN></P><P><SPAN style="font-size: 8pt; font-family: courier new,courier;">*</SPAN></P><P><SPAN style="font-size: 8pt; font-family: courier new,courier;">000003e8</SPAN></P><P></P><P>Also, performing a "nand dump 0" in the LTIB u-boot shows the same data as in the new Yocto u-boot. That proves that the Yocto u-boot can read the Flash OK.</P><P></P><P>Any hints on what the problem could be would be appreciated </P><P></P><P>Thanks,</P><P></P><P>/Otto</P><P></P><P></P><P><SPAN style="color: #333333;"><BR /></SPAN></P><P></P><P></P><P></P><P></P><P></P><P><A class="jx-jive-macro-user" href="https://community.nxp.com/people/andrewk">andrewk</A></P></BODY></HTML> Thu, 18 Sep 2014 18:06:46 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-boot-i-MX6-Yocto-BSP-from-NAND-Flash/m-p/328872#M44262 ottob 2014-09-18T18:06:46Z Re: How to boot i.MX6 Yocto BSP from NAND Flash ? https://community.nxp.com/t5/i-MX-Processors/How-to-boot-i-MX6-Yocto-BSP-from-NAND-Flash/m-p/328873#M44263 <HTML><HEAD></HEAD><BODY><P>Hope the following threads help.</P><P></P><P><A href="https://community.nxp.com/message/386956">To make NAND image by Yocto.</A></P><P></P><P><A href="https://community.nxp.com/message/382826">Freescale Yocto i.MX6 U-Boot NAND Boot</A></P><P></P><P><BR />Have a great day,<BR />Yuri</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 19 Sep 2014 00:22:45 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-boot-i-MX6-Yocto-BSP-from-NAND-Flash/m-p/328873#M44263 Yuri 2014-09-19T00:22:45Z Re: How to boot i.MX6 Yocto BSP from NAND Flash ? https://community.nxp.com/t5/i-MX-Processors/How-to-boot-i-MX6-Yocto-BSP-from-NAND-Flash/m-p/328874#M44264 <HTML><HEAD></HEAD><BODY><P>Hi Yuri,</P><P></P><P>Unfortunately no progress.</P><P></P><P>We are using the SabreSD as base so there is no NAND booting option in the Yocto Recipes. From what I can see defining 'use <CODE>UBOOT_CONFIG = "nand"' enables the 'CONFIG_SYS_BOOT_NAND' in uboot, which I have enabled in my modified sabresd config file. </CODE></P><P></P><P>Is there any documentation on how to troubleshoot this ? I particular I'm curious how the iMX device knows how to communicate with the NAND flash before any code is loaded. I did probe the CE pin of the NAND device and there are two 10ms wide bursts with pause of 30ms in between them upon power-up. But after that its quiet </P><P></P><P>Can a JTAG debugger be used to troubleshoot the pre-code executing NAND initialization ?</P><P></P><P>Btw, we are using a Micron MT29F4G08 NAND flash device</P><P></P><P>Thanks,</P><P></P><P>/Otto</P></BODY></HTML> Mon, 22 Sep 2014 22:01:17 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-boot-i-MX6-Yocto-BSP-from-NAND-Flash/m-p/328874#M44264 ottob 2014-09-22T22:01:17Z Re: How to boot i.MX6 Yocto BSP from NAND Flash ? https://community.nxp.com/t5/i-MX-Processors/How-to-boot-i-MX6-Yocto-BSP-from-NAND-Flash/m-p/328875#M44265 <HTML><HEAD></HEAD><BODY><P>Can You build the U-boot for NAND (<SPAN style="color: #3d3d3d; font-family: monospace;">UBOOT_CONFIG = "nand"</SPAN>) ?</P><P>And deploy it to the NAND  ?</P><P style="font-family: 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; color: #3d3d3d;"><SPAN style="font-weight: inherit; font-style: inherit; font-family: 'courier new', courier;">dd if=u-boot.imx of=u-boot-nand.imx bs=512 seek=2</SPAN></P><P style="font-family: 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; color: #3d3d3d;"><SPAN style="font-weight: inherit; font-style: inherit; font-family: 'courier new', courier;">kobs-ng init -v /boot/u-boot-nand.imx</SPAN></P><P></P><P>~Yuri.</P></BODY></HTML> Tue, 23 Sep 2014 07:10:17 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-boot-i-MX6-Yocto-BSP-from-NAND-Flash/m-p/328875#M44265 Yuri 2014-09-23T07:10:17Z Re: Re: How to boot i.MX6 Yocto BSP from NAND Flash ? https://community.nxp.com/t5/i-MX-Processors/How-to-boot-i-MX6-Yocto-BSP-from-NAND-Flash/m-p/328876#M44266 <HTML><HEAD></HEAD><BODY><P>Hi Yuri,</P><P></P><P>As I mentioned our BSP is based on the mx6qSabreSD, which has no NAND configuration in uboot so we added that in. The information I was hoping to get was - Be sure to enable the necessary clocks in the DDR / Clock setup script - mx6q_4x_mt41j128.cfg </P><P></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">--- board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg    (revision 31363)</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">+++ board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg    (working copy)</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">@@ -153,9 +154,9 @@</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">DATA 4, 0x020c406c, 0x0030FC03</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">DATA 4, 0x020c4070, 0x0FFFC000</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">DATA 4, 0x020c4074, 0x3FF00000</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">-DATA 4, 0x020c4078, 0x00FFF300</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">+DATA 4, 0x020c4078, 0xFFFFF300</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">DATA 4, 0x020c407c, 0x0F0000F3</SPAN></P><P><SPAN style="font-family: courier new,courier; font-size: 8pt;">-DATA 4, 0x020c4080, 0x000003FF</SPAN></P><P><SPAN style="font-size: 8pt; font-family: courier new,courier;">+DATA 4, 0x020c4080, 0x00000FFF</SPAN></P><P></P><P>It works well now. Hopefully this can help someone else</P><P></P><P>Thanks, </P><P></P><P>/Otto</P></BODY></HTML> Tue, 23 Sep 2014 17:22:58 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-boot-i-MX6-Yocto-BSP-from-NAND-Flash/m-p/328876#M44266 ottob 2014-09-23T17:22:58Z