Re: AM335x broken

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Hi Teresa,

On Mon, Feb 11, 2019 at 03:44:28PM +0100, Teresa Remmet wrote:
> Hello,
> 
> AM335x is broken on current master in multiple ways. 
> NAND and and SPI boot are not working right now as the image size can
> not be found:
> 
> barebox 2019.01.0-00305-g96abbe544e19 #1682 Mon Feb 11 15:20:00 CET
> 2019
> 
> 
> Board: Phytec phyCORE AM335x
> nand: ONFI flash detected
> nand: NAND device: Manufacturer ID: 0x2c, Chip ID: 0xdc (Micron
> MT29F4G08ABADAH4), 512Mi
> B, page size: 2048, OOB size: 64
> booting from NAND
> failed to get image size
> trying to load image from backup partition.
> failed to get image size
> booting failed
> 
> I bisected the issue down to:
> commit 5c0e16591d9471a345b77a41fde76de34f301f6b
> Author: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Date:   Wed Jan 16 10:15:55 2019 +0100
> 
>     images: Drop unnecessary fix_size
>     
>     Now that we compile the compressed binary into the decompressor we
>     no longer need fix_size but can use the linker to fill in the image
>     size into the binary.
>     
>     Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> 
> Reverting this patch helps. But what is the correct solution?

Update to a newer toolchain ;)

This problem seems to exist with gcc-5 and older where the
barebox_image_size linker variable is generated as something which needs
runtime relocation.

We can just revert 5c0e16591d94. This brings us the problem that
fix-size will be used by the Mips multiimage builds. It fails there
as fix-size tests for the input being a valid Arm barebox image. We
would have to relax that constraint.

Sascha

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