[U-Boot] Booting from MMC, other partition

[Jaehoon Chung]

On 10/14/2016 03:45 AM, Robert Ianovich wrote:
> I have a iMX233 with SD as storage and I need to have first partition
> fat32, otherways windows will not open the SD card at all. Customer needs
> to get/save some data from windows.
> 
> So what I did is wrote U-Boot on 2'nd and rootfs on 3'rd.
> 
> Command (m for help): p
> Disk /dev/sdb: 7,4 GiB, 7969177600 bytes, 15564800 sectors
> Units: sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disklabel type: dos
> Disk identifier: 0x763f9f2e
> 
> Device     Boot   Start      End Sectors  Size Id Type
> /dev/sdb1          2048  8390655 8388608    4G  c W95 FAT32 (LBA)
> /dev/sdb2  *    8390656  8521727  131072   64M 53 OnTrack DM6 Aux3
> /dev/sdb3       8521728 15564799 7043072  3,4G 83 Linux
> 
> U-Boot starts just fine but cannot boot from 3'rd.
> 
> There is a solution for this, do I need to recompile U-Boot.

Do you want to use the 3rd partition as rootfs? Does it jump to kernel?

Best Regards,
Jaehoon Chung

> 
> If so, where should I modify.
> 
> Thanks very much in advance,
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