[Buildroot] [PATCH 1/1] configs/udoo_quad_defconfig: new defconfig

[Baruch Siach]

Hi Ivo,

On Sun, Jan 18, 2015 at 01:36:27PM +0100, Ivo Slanina wrote:
> On 01/17/2015 11:32 PM, Baruch Siach wrote:
> >Why can't you use mainline kernel for this board?
> 
> I tried to used mainline kernel, but board doesn't boot up. I get only
> following output:
> 
> U-Boot 2013.10-rc3 (Jan 18 2015 - 12:03:56)
> 
> CPU:   Freescale i.MX6Q rev1.2 at 792 MHz
> Reset cause: POR
> Board: UDOO
> DRAM:  1 GiB
> MMC:   FSL_SDHC: 0
> *** Warning - bad CRC, using default environment
> 
> No panel detected: default to LDB-WVGA
> Display: LDB-WVGA (800x480)
> In:    serial
> Out:   serial
> Err:   serial
> Net:   using phy at 6
> FEC [PRIME]
> Hit any key to stop autoboot:  0
> mmc0 is current device
> ** File not found boot.scr **
> 5489632 bytes read in 391 ms (13.4 MiB/s)
> Booting from mmc ...
> ** File not found imx6q-udoo.dtb **

Here is a clue. You can generate imx6q-udoo.dtb from the Linux sources by 
enabling CONFIG_ARCH_MXC, and running

	make dtbs

Then copy arch/arm/boot/dts/imx6q-udoo.dtb to your MMC partition.

> ## Booting kernel from Legacy Image at 12000000 ...
>    Image Name:   Linux-3.18.3
>    Image Type:   ARM Linux Kernel Image (uncompressed)
>    Data Size:    5489568 Bytes = 5.2 MiB
>    Load Address: 10008000
>    Entry Point:  10008000
>    Verifying Checksum ... OK
>    Loading Kernel Image ... OK
> 
> Starting kernel ...
> 
> After this, board stuck. I also encountered this issue with another
> i.MX6 based board but I didn't fix that yet. Kernel from UDOO
> repository works fine.
> 
> I'm new in embedded Linux development. I still have a lot to learn,
> so I would be grateful if someone points me to how to use mainline kernel.

Hope this helps.

baruch

-- 
     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
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