[PATCH] ARM: mach-bcm: add ARM_ERRATA_775420

[Scott Branden]

On 14-04-17 04:44 PM, Scott Branden wrote:
> ARM_ERRATA_775420 needs to be enabled.
>
> A data cache maintenance operation which aborts, followed by an ISB,
> without any DSB in-between, might lead to deadlock.
>
> Affects: bug present in Cortex-A9 r3p0 and earlier. Fixed in r4p0.
>
> Cortex-A9 r3p0 is used in a multitude of Broadcom parts including
> the bcm21664, bcm281xx, 5301x families of devices.
>
> Signed-off-by: Scott Branden <sbranden at broadcom.com>
> Tested-by: Markus Mayer <markus.mayer at linaro.org>
> Reviewed-by: Markus Mayer <markus.mayer at linaro.org>
> Reviewed-by: Alex Edler <edler at linaro.org>
New patch V2 being sent out to correct Alex' last name.