From: Peter Maydell <peter.maydell@linaro.org>
Date: Thu, 12 Jul 2012 22:57:35 +0000 (+0100)
Subject: ARM: 7465/1: Handle >4GB memory sizes in device tree and mem=size@start option
X-Git-Tag: v3.6-rc1~15^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5d5f7daa744b34477c4a12728bde0a1694a1707;p=pandora-kernel.git

ARM: 7465/1: Handle >4GB memory sizes in device tree and mem=size@start option

The memory regions which are passed to arm_add_memory() from
device tree blobs via early_init_dt_add_memory_arch() can
have sizes which are larger than will fit in a 32 bit integer,
so switch to using a phys_addr_t to hold them, to avoid
silently dropping the top 32 bits of the size. Similarly, use
phys_addr_t in early_mem() so that mem=size@start command line
options specifying more than 4GB behave sensibly.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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