[U-Boot] [PATCH v1 1/3] powerpc, 8xx: remove support for 8xx

[Tom Rini]

On Tue, Jun 13, 2017 at 09:37:40AM +0200, Heiko Schocher wrote:
> Hello Christophe,
> 
> Am 13.06.2017 um 07:40 schrieb Christophe LEROY:
> >
> >
> >Le 13/06/2017 à 07:26, Christophe LEROY a écrit :
> >>There was for long time no activity in the 8xx area.
> >>We need to go further and convert to Kconfig, but it
> >>turned out, nobody is interested anymore in 8xx,
> >>so remove it (with a heavy heart, knowing that I remove
> >>here the root of U-Boot).
> >>
> >>Signed-off-by: Heiko Schocher <hs at denx.de>
> >>
> >
> >Please don't do that.
> 
> Tom already applied the patch to mainline ...
> 
> >As you can see in Linux kernel activity, there have been a lot activity related to the 8xx,
> >including but not limited to:
> >1/ HW Crypto for the 885 (Talitos SEC1)
> >2/ TX NAPI in the 8xx Ethernet driver
> >3/ Scatter/Gather support in the 8xx Ethernet driver
> >4/ Hugepages
> >5/ Perf events
> >6/ hw breakpoints
> >7/ Linear memory mapping via Large TLBs
> 
> Thats linux ... not u-boot!
> 
> >The followings links give an overview of the activity:
> >
> >https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/log/drivers/crypto/talitos.c
> >https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/log/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c
> >
> >https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/log/arch/powerpc/kernel/head_8xx.S
> >
> >https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/log/arch/powerpc/mm/8xx_mmu.c
> >
> >We have thousands of boards with mpc885 running and requiring support for at least the next 10 years.
> 
> Ok, nice to hear!
> 
> >How can the 8xx survive without U-boot support ?
> 
> Tom asked (I think a lot of times) regarding converting mpc8xx to
> Kconfig / DM and nobody did the necessary steps. We also asked
> our customers if they can do the necessary changes, none was interested.
> 
> So, if you need mpc8xx support in U-Boot, simply add it again with
> Kconfig and DM support included!

To be clear, you can also drop out the parts you don't need, but, yes, I
would be happy to see someone actively maintain the mpc8xx support.
Thanks!

-- 
Tom
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