Re: [U-Boot] Booting from MMC, other partition

2016-10-18 Thread 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 83886084G  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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> 
> 

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[U-Boot] Booting from MMC, other partition

2016-10-13 Thread Robert Ianovich
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 83886084G  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.

If so, where should I modify.

Thanks very much in advance,
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