[U-Boot] [PATCH v2 01/11] arm: Optionally use existing atags in bootm.c

Pali Rohár pali.rohar at gmail.com
Sun Apr 29 11:15:36 CEST 2012


On Sunday 29 April 2012 11:10:42 Marek Vasut wrote:
> Dear Pali Rohár,
> 
> > On Sunday 29 April 2012 00:15:23 Marek Vasut wrote:
> > > Won't it be easier to create a preprocessing function
> > > that'd
> > > fill gd properly, so uboot can generate the atags through
> > > standard means then?
> > 
> > Do you mean to generate/copy other atags in board code? This
> > will not work because u-boot (in bootm.c) always passing
> > ATAG_CORE in function setup_start_tag. And I do not want to
> > pass ATAG_CORE two times to kernel (once which I copy from
> > other bootloader and once which generate u-boot).
> 
> No, I mean parse the old ATAGS from nolo and fill u-boot's
> internal structures with that. Then let uboot generate the
> ATAGS from it's internal structures as usual.
> 
> Best regards,
> Marek Vasut

Ok, but what to do with non-standard omap/maemo atags which is 
used only for maemo (atag for bootreason, atag for bootmode ...)? 
U-Boot does not have internal structures for these non-standrad 
atags and also does not support passing it.

-- 
Pali Rohár
pali.rohar at gmail.com
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