From: David Daney <ddaney@caviumnetworks.com>
Date: Thu, 7 Oct 2010 23:03:53 +0000 (-0700)
Subject: MIPS: Octeon: Apply CN63XXP1 errata workarounds.
X-Git-Tag: v2.6.37-rc1~38^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c9941158fd8a539a56b0e8a4740ec1f6beb23ea3;p=pandora-kernel.git

MIPS: Octeon: Apply CN63XXP1 errata workarounds.

The CN63XXP1 needs a couple of workarounds to ensure memory is not written
in unexpected ways.

All PREF with hints in the range 0-4,6-24 are replaced with PREF 28.  We
pass a flag to the assembler to cover compiler generated code, and patch
uasm for the dynamically generated code.

The write buffer threshold is reduced to 4.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Patchwork: http://patchwork.linux-mips.org/patch/1672/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

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