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author | David E. Box <david.e.box@linux.intel.com> | 2014-09-17 22:13:51 -0700 |
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committer | Ingo Molnar <mingo@kernel.org> | 2014-09-19 13:08:43 +0200 |
commit | ed2226bd4d4a53bcc3b2ea0b1b28e955ebc15da7 (patch) | |
tree | 8b5892beccf4c7985a914bf7c96742aebf3dbf22 /arch/x86/Kconfig | |
parent | ced3ce760b8df08e8bafba44f6b40407df2d0402 (diff) | |
download | op-kernel-dev-ed2226bd4d4a53bcc3b2ea0b1b28e955ebc15da7.zip op-kernel-dev-ed2226bd4d4a53bcc3b2ea0b1b28e955ebc15da7.tar.gz |
x86/platform/intel/iosf: Add debugfs config option for IOSF
Makes the IOSF sideband available through debugfs. Allows
developers to experiment with using the sideband to provide
debug and analytical tools for units on the SoC.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: http://lkml.kernel.org/r/1411017231-20807-4-git-send-email-david.e.box@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r-- | arch/x86/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d6334f4..6354964 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -496,6 +496,19 @@ config IOSF_MBI You should say Y if you are running a kernel on one of these SoC's. +config IOSF_MBI_DEBUG + bool "Enable IOSF sideband access through debugfs" + depends on IOSF_MBI && DEBUG_FS + ---help--- + Select this option to expose the IOSF sideband access registers (MCR, + MDR, MCRX) through debugfs to write and read register information from + different units on the SoC. This is most useful for obtaining device + state information for debug and analysis. As this is a general access + mechanism, users of this option would have specific knowledge of the + device they want to access. + + If you don't require the option or are in doubt, say N. + config X86_RDC321X bool "RDC R-321x SoC" depends on X86_32 |