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authorNitin Garg <nitin.garg@freescale.com>2014-04-02 08:55:01 -0500
committerStefano Babic <sbabic@denx.de>2014-04-07 18:11:00 +0200
commitf71cbfe3ca5d2ad20159871700e8e248c8818ba8 (patch)
tree8f514793e71ebf0eaf91fe66147ce4fd8ac8cc4c /README
parent1a9df13d5bc0b68c9dcae88d244c995c9351db67 (diff)
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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>
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diff --git a/README b/README
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@@ -566,6 +566,7 @@ The following options need to be configured:
CONFIG_ARM_ERRATA_742230
CONFIG_ARM_ERRATA_743622
CONFIG_ARM_ERRATA_751472
+ CONFIG_ARM_ERRATA_794072
If set, the workarounds for these ARM errata are applied early
during U-Boot startup. Note that these options force the