FT u-boot shim

Wolfgang Denk wd at denx.de
Sat Apr 29 10:32:32 EST 2006


In message <20060428232211.GE458 at smtp.west.cox.net> you wrote:
>
> You wouldn't have the dtb combined in the kernel image, unless you have
> the shim.   This is instead of loading a separate dtb anyhow.

Now you got me completely confused. [Maybe I should go to bed.]

Kumar wrote:

> What I envision as the way one boots for something like u-boot is one  
> of three options:
> 1. using an old u-boot + boot wrapper (bd_t -> wrapper -> kernel)
> 2. using a u-boot that is ft aware + dtb (boot command in u-boot  
> takes kernel & dtb images, updates blob and passes to kernel)
> 3. using a u-boot that is ft aware + built in dtb.

In my understanding, 1. is with a shim; 2. is loading a separate  dtb
(probably  as  multi-file  image), and 3. is when U-Boot provides the
dtb. Am I missing something?

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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