powerpc: Add SCOM infrastructure
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 14 Apr 2011 22:31:58 +0000 (22:31 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 20 Apr 2011 07:01:19 +0000 (17:01 +1000)
commitab814b938d1d372bd2ac6268c15d4e0e6a5245c4
tree252a24fdd538fb132714f4a0cb4eb5facfc2dceb
parentcd852579055bd8ad848415aaabb78b65d522fce0
powerpc: Add SCOM infrastructure

SCOM is a side-band configuration bus implemented on some processors.
This code provides a way for code to map and operate on devices via
SCOM, while the details of how that is implemented is left up to a
SCOM "controller" in the platform code.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/include/asm/scom.h [new file with mode: 0644]
arch/powerpc/sysdev/Kconfig
arch/powerpc/sysdev/Makefile
arch/powerpc/sysdev/scom.c [new file with mode: 0644]