[U-Boot] [PATCH v2 00/14] Implement fastboot over NAND and sparse transfers

Maxime Ripard maxime.ripard at free-electrons.com
Mon Oct 19 10:17:46 CEST 2015


On Sat, Oct 17, 2015 at 04:42:09PM +0200, Hans de Goede wrote:
> Hi,
> 
> On 17-10-15 15:59, Hans de Goede wrote:
> >Hi,
> >
> >On 15-10-15 14:34, Maxime Ripard wrote:
> >>Hi everyone,
> >>
> >>Here is the second attempt at getting fastboot flashing functions
> >>working on top of a NAND, for arbitraly large images.
> >>
> >>While the NAND support itself was quite easy to do, the support for
> >>the Android sparse images was quite difficult to add, and ended up
> >>being a quite huge refactoring of the sparse parse already in tree,
> >>that was tied to the MMC layer.
> >>
> >>This serie has been tested on a CHIP and an A13-Olinuxino, two
> >>Allwinner devices, the CHIP for the NAND, and the Cubietruck to test
> >>the MMC.
> >>
> >>Let me know what you think,
> >>Maxime
> >
> >Thanks, I've applied the 3 sunxi patches (12 - 14) to u-boot-sunxi/next,
> >with the commit msg fixup suggested by Ian.
> 
> Looks like I've spoken too soon, the patch for enabling otg on the cubietruck
> causes build errors:
> 
> arm-linux-gnu-ld.bfd: error: /usr/lib/gcc/arm-linux-gnueabi/5.2.1/libgcc.a(_udivmoddi4.o) uses VFP register arguments, u-boot does not
> arm-linux-gnu-ld.bfd: failed to merge target specific data of file /usr/lib/gcc/arm-linux-gnueabi/5.2.1/libgcc.a(_udivmoddi4.o)
> Makefile:1173: recipe for target 'u-boot' failed
> make: *** [u-boot] Error 1
> 
> Usually this means that some code is using 64 bit int division
> without using the proper macros for this.
> 
> For some reason I'm not seeing the same on the A13-OlinuxIno, that patch
> for that seems to be missing the id pin, which could have something to do
> with this.
> 
> I think this is caused by some 64 bit math in the fastboot code somewhere ...
> 
> For now I've dropped these 2 patches from u-boot-sunxi/next

Which 2 patches then? Cubietruck and this one?

Do you have a toolchain tarball for this so that I can test easily?

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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