ARM: add documentation for finding start of physical memory
authorRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 26 Mar 2015 09:41:33 +0000 (09:41 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Fri, 27 Mar 2015 22:21:14 +0000 (22:21 +0000)
commit0a6a78b8b3c1c1757fbeca4bbf518e44c70c9e4b
tree1be52c0d6432b0b4c38ee746b3496fb57f9cdc34
parent89cfdb19a88872088a8cf69621e55d41c379f02f
ARM: add documentation for finding start of physical memory

Occasionally, there's a question about the method we use to find the
start of physical memory.  Add some documentation so we don't have to
keep repeating outselves on the mailing list.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/boot/compressed/head.S