From mboxrd@z Thu Jan  1 00:00:00 1970
From: Heiko Schocher <hs@denx.de>
Date: Fri, 7 Apr 2017 13:02:05 +0200
Subject: [U-Boot] MTD devices emulation driver (gluebi) support
In-Reply-To: <12FD643A737A924986A2B203248C6CD69545BFD7@SIMTCSMB02.napa.ad.etn.com>
References: <12FD643A737A924986A2B203248C6CD69545BFD7@SIMTCSMB02.napa.ad.etn.com>
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To: u-boot@lists.denx.de

Hello Manuel,

Am 06.04.2017 um 10:36 schrieb ManuelCurcio at Eaton.com:
> Hi,
>
> I want to read a jffs2 file system over ubi from uboot.
>  From ubi.h, I found the CONFIG_MTD_UBI_GLUEBI define to allow this functionality (I think) :
>
> /* gluebi.c */
> #ifdef CONFIG_MTD_UBI_GLUEBI
> ....
>
> However, when I set this define, after compilation, I have errors links about gluebi functions :
>
> uboot/common/cmd_ubi.c:293: undefined reference to `ubi_gluebi_updated'
>
> And in fact, after search, I didn't find gluebi.c file in uboot.
>
> I use the U-Boot 2015.01 version. When I look the last release, I didn't find gluebi.c  too.
>
> Some one can tell me more about that ? How is it possible to read jffs2 (or squashfs) from uboot ?

We use the UBI/UBIFS sources from linux, so this part cames
from linux. And as fas as I know, nobody has tried to use
CONFIG_MTD_UBI_GLUEBI
in u-boot yet, so if you want to do this, you have to dig into
this part deeper. Patches are welcome ;-)

bye,
Heiko
>
> thanks !
>
> Manuel
>
>
>
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