[Buildroot] [PATCH 1/1] Solid-Run HummingBoard i2eX defconfig and bootable microSD Bash script

[Baruch Siach <baruch@tkos.co.il>]

Hi Yonatan,

On Fri, May 29, 2015 at 10:56:14AM +0300, Jonathan Ben Avraham wrote:
> On Fri, 29 May 2015, Baruch Siach wrote:
> >On Thu, May 28, 2015 at 04:36:10PM +0300, Jonathan Ben-Avraham wrote:
> >>Signed-off-by: Jonathan Ben-Avraham <yba@tkos.co.il>
> >>---
> >> board/solid-run/hummingboard-i2eX/make_sd_card.sh | 207 ++++++++++++++++++++++
> >
> >Is this script better/different than board/freescale/create-boot-sd.sh? I
> >think we should have one script for this job. A "SoM vendor neutral" location
> >for this script is likely to be board/freescale/ in this case. The readme.txt
> >file, once added, should mention this script.
>
> I provided the board/solid-run/hummingboard-i2eX/make_sd_card.sh script
> rather than use the board/freescale/create-boot-sd.sh script for the
> following reasons.
> 
> 1. make_sd_card.sh supports OOT builds. Also support parameters in
> environment variables or command line.
> 
> 2. make_sd_card.sh handles the likely multipath problem that happen in newer
> distros when you change partitions on media.
> 
> 3. Moved the error control to the begining of the script so that there is
> less chance of leaving a mounted filesystem or temporary mount point if some
> requried file is missing and the -e kicks in.
> 
> 4. Provides cumulative error control and check for many more types of error.
> That is, doesn't stop at the first error but continues noting all errors
> possible to detect before actually making any changes.
> 
> 5. Copy only the specific images required rather than using wildcards that
> can result in the wrong images being copied and can leave the newbie
> wondering why the SD doesn't boot.

All these are welcome improvements to board/freescale/create-boot-sd.sh.

> 6. Having a separate script takes into account the fact that we are using
> forked U-Boot repo whose bootcmd might change from the bootcmd in the
> upstream repo.

Which bootcmd you refer to? Is it the U-Boot autoboot environment variable? Or 
the i.MX specific DCD (Device Configuration Data)? If the latter, please note 
that SolidRun provided U-Boot doesn't use DCD at all. The U-Boot SPL 
configures RAM at run time.

baruch

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