ARM: Add workaround for Cortex-A9 errata 794072
authorNitin Garg <nitin.garg@freescale.com>
Wed, 2 Apr 2014 13:55:01 +0000 (08:55 -0500)
committerStefano Babic <sbabic@denx.de>
Mon, 7 Apr 2014 16:11:00 +0000 (18:11 +0200)
commitf71cbfe3ca5d2ad20159871700e8e248c8818ba8
tree8f514793e71ebf0eaf91fe66147ce4fd8ac8cc4c
parent1a9df13d5bc0b68c9dcae88d244c995c9351db67
ARM: Add workaround for Cortex-A9 errata 794072

A short loop including a DMB instruction might cause a denial of
service on another processor which executes a CP15 broadcast operation.
Exists on r1, r2, r3, r4 revisions.

Signed-off-by: Nitin Garg <nitin.garg@freescale.com>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
README
arch/arm/cpu/armv7/start.S