ARM: 6648/1: map ATAGs when not in first 1MB of RAM

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If ATAGs or DTB pointer is not within first 1MB of RAM, then the boot params
will not be mapped early enough, so map the 1MB region that r2 points to. Only
map the first 1MB when r2 is 0.

Some assembly improvements from Nicolas Pitre.

Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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Rob Herring 2011-02-02 16:33:17 +01:00 • committed by Russell King

parent cada3c0841

commit 4d901c4271

1 changed files with 10 additions and 4 deletions

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arch/arm/kernel/head.S

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