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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-04-14 22:31:58 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-04-20 17:01:19 +1000
commitab814b938d1d372bd2ac6268c15d4e0e6a5245c4 (patch)
tree252a24fdd538fb132714f4a0cb4eb5facfc2dceb /arch/powerpc/sysdev/Kconfig
parentcd852579055bd8ad848415aaabb78b65d522fce0 (diff)
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>
Diffstat (limited to 'arch/powerpc/sysdev/Kconfig')
-rw-r--r--arch/powerpc/sysdev/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/Kconfig b/arch/powerpc/sysdev/Kconfig
index cfc18770af79..d775fd148d13 100644
--- a/arch/powerpc/sysdev/Kconfig
+++ b/arch/powerpc/sysdev/Kconfig
@@ -15,3 +15,10 @@ config PPC_MSI_BITMAP
source "arch/powerpc/sysdev/xics/Kconfig"
+config PPC_SCOM
+ bool
+
+config SCOM_DEBUGFS
+ bool "Expose SCOM controllers via debugfs"
+ depends on PPC_SCOM
+ default n