APPLIED: UBUNTU: [Config] Armada 37x/38x/XP based boards support (e.g. Globalscale Mirabox)

[Tim Gardner]

The last console message is from u-boot printing the dots as it loads 
the kernel image. I'll get with you about this on Tuesday when I'm back 
home after I try booting from an SD.

rtg

On 07/27/2014 07:50 AM, Paolo Pisati wrote:
> tip of U/master-next as this morning, it works:
>
> http://pastebin.ubuntu.com/7875171/
>
> Marvell>> printenv bootcmd
> bootcmd=run bootcmd_mmc_full
>
> Marvell>> printenv bootcmd_mmc_full
> bootcmd_mmc_full=usb start; fatload usb 1 0x6400000 uImage; fatload usb
> 1 0x7000000 uInitrd; run bootargs_mmc; bootm 0x6400000 0x7000000:$filesize
>
> Marvell>> printenv bootargs_mmc
> bootargs_mmc=setenv bootargs console=ttyS0,115200 root=/dev/sdb2 rw
> rootwait debug earlyprintk
>
> here's a copy of this kernel:
> http://people.canonical.com/~ppisati/linux-image-3.16.0-6-generic_3.16.0-6.11~485c3df_armhf.deb
>
> and here's a flash-kernel patch to support the Mirabox:
> https://bugs.launchpad.net/ubuntu/+source/flash-kernel/+bug/1348200
>
> what's the last message that you see on console?
>
>
>
> On Fri, Jul 25, 2014 at 7:38 PM, Tim Gardner <tim.gardner at canonical.com
> <mailto:tim.gardner at canonical.com>> wrote:
>
>     On 07/16/2014 07:57 AM, Paolo Pisati wrote:
>      > On Tue, Jul 15, 2014 at 08:02:49AM -0400, Tim Gardner wrote:
>      >>
>      >> We must have _some_ core components built-in that are of little
>     use on
>      >> armhf. I'd consider turning them off in order to save some RAM
>     on these
>      >> small footprint systems. Also, I'd love to be able to use my Mirabox
>      >> with a stock kernel.
>      >
>      > ok, it seems some of the latest patches slightly reduced the
>     kernel size
>      > (~5.7MB in U/master-next), so if you cut a release now you will
>     get a working
>      > kernel even withot the -Os patch: to trigger the bug i usually
>     compile in some
>      > network device support, so we might be good for a bit.
>      >
>      >> I wonder if you could chain from the 1.1 u-boot loader to a
>     newer u-boot
>      >> that could actually load a large kernel ? The alternative is to
>     post a
>      >> u-boot repository with the size corrections, but that requires a
>      >> somewhat harrowing u-boot upgrade (plus its a giant pain in the
>     ass to
>      >> build). If you botch the upgrade then you own a brick.
>      >
>      > unfortunately support for the mirabox is not present in upstream
>     u-boot since it
>      > requires some proprietary blob for the ddr initiliazation -
>     coincidentally,
>      > after i sent the config changes to enable the board, i got a
>     message back from
>      > Globalscale tech support asking what this bug was about, and i
>     sent them all
>      > the details so, cross your finger, and we might get a fixed
>     bootloader soon.
>      >
>
>     Paolo - I took a quick pass at this yesterday using
>     git://kernel.ubunt.com/rtg/mirabox.git
>     <http://kernel.ubunt.com/rtg/mirabox.git> and booting from TFTP. The
>     kernel
>     was about 5.6 MB but I didn't ever get a console. Could you have a look
>     to see if Utopic master still works for you ?
>
>     rtg
>
>     --
>     Tim Gardner tim.gardner at canonical.com <mailto:tim.gardner at canonical.com>
>
>
>
>
> --
> bye,
> p.


-- 
Tim Gardner tim.gardner at canonical.com