[U-Boot] [PATCH 01/22] mkimage: Add OMAP boot image support

Bedia, Vaibhav vaibhav.bedia at ti.com
Wed Mar 2 05:51:17 CET 2011


On Tuesday, March 01, 2011 8:20 PM, V, Aneesh wrote:
[...]
> For OMAP4:
> 1. An 8 byte GP header is enough for booting from external MMC
>     FAT partition
> 2. A dummy CH with a dummy CHSETTINGS is essential for booting
>     from the RAW partition of eMMC or external MMC. This works
>     for FAT booting too.
> 3. A full configuration with proper CHSETTINGS and CHRAM will
>     help us in directly booting from SDRAM avoiding the SPL,
>     but this is not supported on all revisions of OMAP3/4
> 
> IMHO, let's have one image type(what John has created now) for
> (1) and (2). It doesn't really harm to have 512 bytes of
> additional header attached to your image when it makes it
> suitable for different types of booting.   
> 
> For 3, if that is supported in U-Boot in future, we will need
> a new image type, maybe something like omapchimage. 
> 
> Let me know if you had any special considerations for your SoC.

(My response on this yesterday bounced back for some reason)

I will try out this patch and see if the additional 512 bytes works for us also.

Regards,
Vaibhav


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