[ptxdist] Howto add platform specific image creation step

[ptxdist] Howto add platform specific image creation step

[Markus Niebel]

Hello,

is there a way to create 2 (or more) images for one platform but different media types (like SD-Card and eMMC)?

Use cases: 

1) Hardware platform is bootable from SD-card and eMMC etc. Kernel, Rootfs are the same. Only small differences in bootloader (Barebox) and bootloader environment. 

2) Hardware platform has configuration options (RAM-size etc.)

It is relative easy to build the bootloader twice ore more when simply copying and renaming / adapting the Kconfig and make rule in project local rules (as a hack for the first try). But in ptxd_make_bootable image names are hard coded.

Geetings 

Markus


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Re: [ptxdist] Howto add platform specific image creation step

[Jan Lübbe]

Hi,

On Mon, 2012-09-24 at 14:39 +0200, Markus Niebel wrote:
> is there a way to create 2 (or more) images for one platform but
> different media types (like SD-Card and eMMC)?
> 
> Use cases: 
> 
> 1) Hardware platform is bootable from SD-card and eMMC etc. Kernel,
> Rootfs are the same. Only small differences in bootloader (Barebox)
> and bootloader environment. 
> 
> 2) Hardware platform has configuration options (RAM-size etc.)
> 
> It is relative easy to build the bootloader twice ore more when simply
> copying and renaming / adapting the Kconfig and make rule in project
> local rules (as a hack for the first try). But in ptxd_make_bootable
> image names are hard coded.

This is possible with new new image generation support. Take a look at
"ptxdist newpackage barebox" and "ptxdist newpackage image-genimage".

Also, for examples you can look in:
http://git.pengutronix.de/?p=platform-pengutronix-beagleboneti.git
http://git.pengutronix.de/?p=platform-pengutronix-raspberrypi.git
config/images, platforms and rules are the relevant directories.

Regrads,
Jan
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