[meta-freescale] i.mx6sl u-boot not booting when using a toolchain installed with populate_sdk

[Kursad Oney]

Hi Otavio,

From: Otavio Salvador [mailto:otavio.salvador at ossystems.com.br]
> On Fri, Oct 9, 2015 at 5:24 PM, Kursad Oney <Kursad.Oney at freescale.com> wrote:
> >> From: Otavio Salvador [mailto:otavio.salvador at ossystems.com.br]
> >> On Thu, Oct 8, 2015 at 5:26 PM, Kursad Oney <Kursad.Oney at freescale.com>
> >> wrote:
> >> > I ran into an issue with the 1.8 fido toolchain I installed using
> >> > populate_sdk task. I noticed this issue with both warpboard and the
> >> > mx6slevk.
> >> >
> >> > I used the fido branch to create an SDK and used the following command
> >> > to populate a toolchain:
> >> >
> >> >         bitbake core-image-base -c populate_sdk
> >> >
> >> > When I compile u-boot with this toolchain, nothing appears on the
> >> > console when it is run out of eMMC. However, if I use the
> >> > imx_usb_loader tool to download the u-boot image to memory, it runs just
> >> > fine.
> >> >
> >> > I then installed the pre-built 1.6, 1.7, and 1.8 toolchains and to my
> >> > surprise the u-boot image I built had no issues.
> >> >
> >> > Comparing the pre-built 1.8 toolchain and the one populated by
> >> > populate_sdk, I noticed this in each one's environment setup scripts:
> >> >
> >> > pre-built:
> >> >         export CC="arm-poky-linux-gnueabi-gcc  [...]
> >> > -mfloat-abi=softfp [...]
> >> > populate_sdk:
> >> >         export CC=="arm-poky-linux-gnueabi-gcc  [...]
> >> > -mthumb-interwork -mfloat-abi=hard [...]
> >>
> >> Could you please try, before building the U-Boot, todo:
> >>
> >> unset CFLAGS
> >> unset LDFLAGS
> >>
> >> and rebuild?
> >>
> > I actually ran make with:
> >
> >         make LDFLAGS="" CC="${CC}"
> >
> > due to libgcc path not being resolved. I even tried the USE_PRIVATE_LIBGCC
> > option but u-boot still wouldn't come up.
>
> What U-Boot version?
>
On the warpboard I used u-boot-fslc with the patches-2015.04 branch for
fido (latest commit: 5d9ffd22149119c0) and also the mainline u-boot master
branch (commit 996ec1dcc58a3).

On the mx6slevk, I used the freescale u-boot tree imx_v2014.04_3.14.28_1.0.0_ga
branch.

Thanks!

> --
> Otavio Salvador                             O.S. Systems
> http://www.ossystems.com.br        http://code.ossystems.com.br
> Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750
>