[U-Boot] [PATCH 0/4] config: Add FreeBSD kconfig options

[Tom Rini]

On Mon, Nov 07, 2016 at 09:34:27AM +0100, Emmanuel Vadot wrote:

> This series of patches add the needed bits for booting the FreeBSD
> loader.
> FreeBSD loader needs the U-Boot API and dache disabled for it to run so
> add kconfig options for them.
> Also add some some boot command that locate and run the FreeBSD loader
> if found.
> 
> Emmanuel Vadot (4):
>   kconfig: Add API kconfig file
>   kconfig: arm: Add SYS_DCACHE_OFF option
>   kconfig: Add a FREEBSD option
>   distro_bootcmd: Add command to run FreeBSD
> 
>  Kconfig                         |  2 ++
>  api/Kconfig                     |  9 +++++++++
>  arch/arm/Kconfig                |  6 ++++++
>  common/Kconfig                  |  9 +++++++++
>  include/config_distro_bootcmd.h | 32 ++++++++++++++++++++++++++++++++

This is a good first start.  But I think there's a few things that need
tweaking.  First, we don't want to globally turn off dcache, but it does
need to be migrated to Kconfig (so we know if it's enabled or not).
Second, we should instead use CMD_CACHE and the 'dcache' command to
disable dcache prior to running the FreeBSD loader.  Then we make sure
that the generic distro feature has CMD_CACHE if !SYS_DCACHE_OFF (and
!SYS_ICACHE_OFF).  Thanks!

-- 
Tom
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