Post- GTA02

Andy Green andy at openmoko.com
Wed Mar 19 17:28:44 CET 2008


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Somebody in the thread at some point said:

> To my opinion if you are willing to spend more than 4 hours writing a
> bootloader bigger than 4k and with SD Card boot feature (vfat?) you
> better switch to u-boot. It is more robust. It has all stuff we need
> from a bootloader.

What I would have done here is dump the registers for the CPU after
U-Boot initialized them, and diff them against a dump after my
bootloader had started Linux.

But isn't the case that the Openmoko patches got you over this hump, not
U-Boot in this case, or did I misunderstand?

In terms of VFAT support (but not SD Card, I found out the hard way
there is no real support for it in U-Boot and you have to do the
protocol in your driver) it's GPL so we will rip it from U-Boot, along
with any CPU init that might come in the form of U-Boot support, and
adapt the Linux SD driver.  So we will have any value that U-Boot has
for our scenario without worry we missed something.

- -Andy
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