[PATCHv1 for soc 4/5] arm: Add v7_invalidate_l1 to cache-v7.S

Santosh Shilimkar santosh.shilimkar at ti.com
Fri Jan 25 03:13:13 EST 2013


On Friday 25 January 2013 06:30 AM, dinguyen at altera.com wrote:
> From: Dinh Nguyen <dinguyen at altera.com>
>
> mach-socfpga is another platform that needs to use
> v7_invalidate_l1 to bringup additional cores. There was a comment that
> the ideal place for v7_invalidate_l1 should be in arm/mm/cache-v7.S
>
> Signed-off-by: Dinh Nguyen <dinguyen at altera.com>
> Cc: Arnd Bergmann <arnd at arndb.de>
> Cc: Russell King <linux at arm.linux.org.uk>
> Cc: Olof Johansson <olof at lixom.net>
> Cc: Thomas Gleixner <tglx at linutronix.de>
> Cc: Rob Herring <rob.herring at calxeda.com>
> Cc: Sascha Hauer <kernel at pengutronix.de>
> Cc: Simon Horman <horms at verge.net.au>
> Cc: Magnus Damm <magnus.damm at gmail.com>
> Cc: Stephen Warren <swarren at wwwdotorg.org>
> Cc: Pavel Machek <pavel at denx.de>
> ---
>   arch/arm/mach-imx/headsmp.S      |   47 -------------------------------------
>   arch/arm/mach-shmobile/headsmp.S |   48 --------------------------------------
>   arch/arm/mach-tegra/headsmp.S    |   43 ----------------------------------
>   arch/arm/mm/cache-v7.S           |   47 +++++++++++++++++++++++++++++++++++++
>   4 files changed, 47 insertions(+), 138 deletions(-)
>
Does yor kernel skips the decompresser. Am just curious about
what you describe above since you should see the issue already
at decompresser. Your boot loader is expected to clean and
invalidating the caches before jumping into the kernel.

Regards,
Santosh




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