powerpc: Add real mode cache inhibited IO accessors
authorMichael Ellerman <michael@ellerman.id.au>
Fri, 29 Nov 2013 02:27:18 +0000 (13:27 +1100)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 5 Dec 2013 05:08:21 +0000 (16:08 +1100)
commit0150a3dd92fc45b599bf2442b47d40921b4aa2d2
tree284f52f36938fff298c3e0a0ae1fe55f78db6842
parentfb48dc22824daaa60ff1d6a6c9e22c79112dfb8e
powerpc: Add real mode cache inhibited IO accessors

These accessors allow us to do cache inhibited accesses when in real
mode. They should only be used in real mode.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/include/asm/io.h