Openmoko to shift to 2.6.27 kernel ?
andy at openmoko.com
Sat Oct 11 17:53:09 CEST 2008
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Florian Hackenberger wrote:
> On Saturday 11 October 2008, Andy Green wrote:
>> for daredevils this works with the U-Boot replacement Qi (image is
>> ready for DFU into NAND bootloader)
>> Qi will boot from /boot/uImage.bin on ext2 first partition of SD Card
>> if present, else fallback to NAND kernel.
> Hi Andy!
> I'm just curious: What are the goals of Qi? I had a look at git and
> noticed that you basically wrote it from scratch. Is it just a proof of
> concept or is it going to replace u-boot?
Actually Xiangfu did the work to chop down U-Boot and get it started.
After that I gave it more attention.
U-Boot is basically on a mission to duplicate Linux, it's quite obvious
when you look at the flow of drivers from Linux to U-Boot, getting
dumber and they transfer.
Qi's concept is to do the minimum to pull in the Linux kernel and start
it, and to have no configuration. Everything that would otherwise bloat
the bootloader is the domain of Linux that the bootloader starts.
Bootloader == "load" then "boot", everything else in the bootloader not
necessary for those two is evil.
If you try Qi you'll find it is considerably faster than our U-Boot.
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