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cpufreq: Add SFI based cpufreq driver support

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This adds the SFI based cpu freq driver for some of the Intel's
Silvermont based Atom architectures like Z34xx and Z35xx.

Signed-off-by: Rudramuni, Vishwesh M <vishwesh.m.rudramuni@intel.com>
Signed-off-by: Srinidhi Kasagar <srinidhi.kasagar@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Srinidhi Kasagar
2014-12-19 23:13:51 +05:30
committed by Len Brown
parent 108cc2e7d2
commit e7ddf4b7b3
4 changed files with 148 additions and 0 deletions
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1
arch/x86/include/uapi/asm/msr-index.h
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@@ -318,6 +318,7 @@
#define MSR_IA32_PERF_STATUS 0x00000198
#define MSR_IA32_PERF_CTL 0x00000199
#define INTEL_PERF_CTL_MASK 0xffff
#define MSR_AMD_PSTATE_DEF_BASE 0xc0010064
#define MSR_AMD_PERF_STATUS 0xc0010063
#define MSR_AMD_PERF_CTL 0xc0010062