[meta-freescale] Boot on eMMC

[Otavio Salvador]

On Tue, Apr 14, 2015 at 11:58 AM, Gary Thomas <gary at mlbassoc.com> wrote:
> On 2015-04-14 08:28, Otavio Salvador wrote:
>>
>> On Tue, Apr 14, 2015 at 11:12 AM, Shanx <shanx at legtux.org> wrote:
>>>
>>> Hello,
>>> I've tried a lot of things, but I can't boot on eMMC. I've flashed it
>>> from
>>> u-boot, or from the system (booted from the sdcard). For exemple, I've
>>> tried
>>> : dd if=rootfs.sdcard of=/dev/mmcblk3
>>> I've also tried to flash only u-boot.imx (with dd and seek=2)
>>>
>>> When booting on eMMC (with the boot switch setup given on the Linux User
>>> Guide), nothing append. Any idea why ?
>>
>>
>> eMMC has some details which differ from the uSD normal usage. Mainly
>> regarding the use of Boot Partitions. So you must to write it to the
>> boot partition otherwise it won't work.
>>
>
> I'm not sure this is correct.  I have an i.MX6Q board which has
> eMMC on SD4 and SD on SD3 and I can boot from either, using the
> same command to install U-Boot
>   dd if=/tmp/disk/${UBOOT_NAME} of=${DISK} seek=2 bs=512 conv=notrunc
>
> Maybe it's a difference in the eMMC device (mine is Sandisk SDIN5
> (or7)C2-32G-L)

It depends if Boot Partition is enabled or not.

-- 
Otavio Salvador                             O.S. Systems
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