From: Cyril Chemparathy <cyril@ti.com>
Date: Sat, 21 Jul 2012 19:55:04 +0000 (-0400)
Subject: ARM: LPAE: accomodate >32-bit addresses for page table base
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~41^2^2~3^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4756dcbfd37819a8359d3c69a22be2ee41666d0f;p=pandora-kernel.git

ARM: LPAE: accomodate >32-bit addresses for page table base

This patch redefines the early boot time use of the R4 register to steal a few
low order bits (ARCH_PGD_SHIFT bits) on LPAE systems.  This allows for up to
38-bit physical addresses.

Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Subash Patel <subash.rp@samsung.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---

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