topic Re: Can't mmc erase boot partition in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662823#M101782 <HTML><HEAD></HEAD><BODY><P>yes, it worked well.</P></BODY></HTML> Sat, 08 Oct 2016 01:23:05 GMT fulinux 2016-10-08T01:23:05Z Can't mmc erase boot partition https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662818#M101777 <HTML><HEAD></HEAD><BODY><P>Hi, </P><P>i have a starnge problem, i have mmc erase uboot in boot partition, but when i reboot, it is still running, where is the uboot come from? look at this as follow:</P><P>U-Boot 2015.04-14475-g75887f8-dirty (Sep 29 2016 - 14:07:15)</P><P></P><P>CPU:&nbsp;&nbsp; Freescale i.MX6Q rev1.5 at 792 MHz<BR />CPU:&nbsp;&nbsp; Temperature 41 C<BR />Reset cause: POR<BR />Board: MX6-SabreSD<BR />I2C:&nbsp;&nbsp; ready<BR />DRAM:&nbsp; 3.8 GiB<BR />PMIC:&nbsp; PFUZE100 ID=0x10<BR />MMC:&nbsp;&nbsp; FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2, FSL_SDHC: 3<BR />mmc get env dev=0<BR />*** Warning - bad CRC, using default environment</P><P></P><P>No panel detected: default to SAMSUNG-LTM230HL08<BR />Display: SAMSUNG-LTM230HL08 (1920x1080)<BR />In:&nbsp;&nbsp;&nbsp; serial<BR />Out:&nbsp;&nbsp; serial<BR />Err:&nbsp;&nbsp; serial<BR />check_and_clean: reg 0, flag_set 0<BR />Fastboot: Normal<BR />flash target is MMC:0<BR />Bad partition index:1 for partition:boot<BR />Bad partition index:2 for partition:recovery<BR />Bad partition index:5 for partition:system<BR />Bad partition index:4 for partition:data<BR />Net:&nbsp;&nbsp; Phy 1 not found<BR />PHY reset timed out<BR />FEC [PRIME]<BR />Normal Boot<BR />Hit any key to stop autoboot:&nbsp; 0 <BR />=&gt; <BR />=&gt; <BR />=&gt; <BR />=&gt; <BR />=&gt; <BR />=&gt; mmc erase 2 10000</P><P></P><P>MMC erase: dev # 0, block # 2, count 65536 ...</P><P></P><P>Caution! Your devices Erase group is 0x400<BR />The erase range would be change to 0x0~0x103ff</P><P></P><P>65536 blocks erased: OK<BR />=&gt; mmc read 0x12000000 2 1000</P><P></P><P>MMC read: dev # 0, block # 2, count 4096 ... 4096 blocks read: OK<BR />=&gt; md 0x12000000<BR />12000000: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000010: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000020: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000030: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000040: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000050: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000060: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000070: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000080: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000090: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120000a0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120000b0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120000c0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120000d0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120000e0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120000f0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />=&gt; <BR />12000100: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000110: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000120: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000130: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000140: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000150: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000160: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000170: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000180: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000190: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120001a0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120001b0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120001c0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120001d0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120001e0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120001f0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />=&gt; <BR />12000200: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000210: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000220: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000230: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000240: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000250: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000260: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000270: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000280: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000290: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120002a0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120002b0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120002c0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120002d0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120002e0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120002f0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />=&gt; <BR />12000300: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000310: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000320: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000330: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000340: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000350: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000360: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000370: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000380: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000390: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003a0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003b0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003c0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003d0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003e0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003f0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................</P><P></P><P>it is become 0 at offset 1k in emmc device, which was uboot placed. but when i shutdown and shutup, it still runs:</P><P></P><P>12000300: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000310: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000320: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000330: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000340: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000350: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000360: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000370: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000380: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />12000390: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003a0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003b0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003c0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003d0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003e0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />120003f0: 00000000 00000000 00000000 00000000&nbsp;&nbsp;&nbsp; ................<BR />=&gt;</P><P></P><P>U-Boot 2015.04-14475-g75887f8-dirty (Sep 29 2016 - 14:07:15)</P><P></P><P>CPU:&nbsp;&nbsp; Freescale i.MX6Q rev1.5 at 792 MHz<BR />CPU:&nbsp;&nbsp; Temperature 41 C<BR />Reset cause: POR<BR />Board: MX6-SabreSD<BR />I2C:&nbsp;&nbsp; ready<BR />DRAM:&nbsp; 3.8 GiB<BR />PMIC:&nbsp; PFUZE100 ID=0x10<BR />MMC:&nbsp;&nbsp; FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2, FSL_SDHC: 3<BR />mmc get env dev=0<BR />*** Warning - bad CRC, using default environment</P><P></P><P>No panel detected: default to SAMSUNG-LTM230HL08<BR />Display: SAMSUNG-LTM230HL08 (1920x1080)<BR />In:&nbsp;&nbsp;&nbsp; serial<BR />Out:&nbsp;&nbsp; serial<BR />Err:&nbsp;&nbsp; serial<BR />check_and_clean: reg 0, flag_set 0<BR />Fastboot: Normal<BR />flash target is MMC:0<BR />Bad partition index:1 for partition:boot<BR />Bad partition index:2 for partition:recovery<BR />Bad partition index:5 for partition:system<BR />Bad partition index:4 for partition:data<BR />Net:&nbsp;&nbsp; Phy 1 not found<BR />PHY reset timed out<BR />FEC [PRIME]<BR />Normal Boot<BR />Hit any key to stop autoboot:&nbsp; 0 <BR />boota mmc0 <BR />boota: bad boot image magic</P><P></P><P>Where is the uboot come from? is it in recovery.img</P></BODY></HTML> Thu, 29 Sep 2016 10:03:58 GMT https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662818#M101777 fulinux 2016-09-29T10:03:58Z Re: Can't mmc erase boot partition https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662819#M101778 <HTML><HEAD></HEAD><BODY><P>Hi fulin</P><P></P><P>one can post this on uboot mail list, seems it was discussed already</P><P><A href="http://lists.denx.de/pipermail/u-boot/2015-November/234113.html">http://lists.denx.de/pipermail/u-boot/2015-November/234113.html</A></P><P>in general one can try to erase in linux:</P><P>sudo dd if=/dev/zero of=/dev/mmcblk1 bs=1024 count=1024</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 29 Sep 2016 23:54:52 GMT https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662819#M101778 igorpadykov 2016-09-29T23:54:52Z Re: Can't mmc erase boot partition https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662820#M101779 <HTML><HEAD></HEAD><BODY><P>Try this command:</P><P></P><P>=&gt; mmc partconf 0 1 0 0</P></BODY></HTML> Fri, 30 Sep 2016 01:33:32 GMT https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662820#M101779 fabio_estevam 2016-09-30T01:33:32Z Re: Can't mmc erase boot partition https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662821#M101780 <HTML><HEAD></HEAD><BODY><P>Oh Yea, you are right, thank you. </P><P>but i want to know why, would you tell me if you have the time?</P></BODY></HTML> Fri, 30 Sep 2016 02:22:02 GMT https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662821#M101780 fulinux 2016-09-30T02:22:02Z Re: Can't mmc erase boot partition https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662822#M101781 <HTML><HEAD></HEAD><BODY><P>The command unlock the boot partition and it allows to be rewritten.</P><P></P><P>Did it work well on your side?</P></BODY></HTML> Fri, 30 Sep 2016 15:22:01 GMT https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662822#M101781 fabio_estevam 2016-09-30T15:22:01Z Re: Can't mmc erase boot partition https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662823#M101782 <HTML><HEAD></HEAD><BODY><P>yes, it worked well.</P></BODY></HTML> Sat, 08 Oct 2016 01:23:05 GMT https://community.nxp.com/t5/i-MX-Processors/Can-t-mmc-erase-boot-partition/m-p/662823#M101782 fulinux 2016-10-08T01:23:05Z