[clug] ARM devices with complete upstream support
clug at christophersmart.com
Tue Nov 1 01:14:23 UTC 2016
On Mon, Oct 31, 2016 at 11:02:58AM +1100, Eyal Lebedinsky wrote:
>Seems that I am the only one playing with this, let me know if you had enough
Not at all, sorry I've been sick since last Friday and short on time
>On 26/10/16 12:09, Chris Smart wrote:
>>Anyway, I have a ~$15 Orange Pi One with H3 (sun8iw7p1) SOC (Cortex-A7
>>Quad-Core) and was able to build upstream U-Boot and Linux support for
>>it. If that interests you, feel free to take a look at my blog post.
>I thought I should see if it can boot of the second partition, so followed
> "if you want to boot from the second partition instead of an initramfs,
> change root argument to root=/dev/mmcblk0p2"
>While I can see the SD card recognised properly
>[ 2.377661] mmc0: new SDHC card at address aaaa
>[ 2.383025] mmcblk0: mmc0:aaaa SL16G 14.8 GiB
>[ 2.393803] mmcblk0: p1 p2
>I do not see any indication it is mounted, like I see with other images
>[ 2.270255] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
>[ 2.283824] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
>I assume there is more to booting of p2 than the one kernel parameter.
You'll need to have copied the contents of the initramfs to the
partition and also edited an /etc/fstab. I didn't go into these details,
so if it's confusing I can remove the suggestion entirely.
>I could also ask about the other note
> "upstream U-Boot supports ext3 on the boot partition"
>but then it is formatted as ext4.
The boot partition is formatted ext3:
sudo mkfs.ext3 /dev/sdx1
It's the root partition that's formatted ext4 (not that we use it):
sudo mkfs.ext4 /dev/sdx2
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