diff options
| author | Len Brown <len.brown@intel.com> | 2016-06-17 07:22:48 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-10 17:00:13 +0200 |
| commit | 6fcb41cdaee5056c96de88ee095bddd27a7697de (patch) | |
| tree | 29e630bfd6bc3c09584d6d8e62e75db49b962e4f /arch | |
| parent | x86/tsc_msr: Correct Silvermont reference clock values (diff) | |
| download | linux-6fcb41cdaee5056c96de88ee095bddd27a7697de.tar.xz linux-6fcb41cdaee5056c96de88ee095bddd27a7697de.zip | |
x86/tsc_msr: Add Airmont reference clock values
per the Intel 64 and IA-32 Architecture Software Developer's Manual...
Add the reference clock for Intel Atom Processors
Based on the Airmont Microarchitecture.
Reported-by: Stephane Gasparini <stephane.gasparini@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/abc6a0f4b18281410da1a3f26e2819d8e03e144f.1466138954.git.len.brown@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/tsc_msr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c index 20487e2382c6..65b3d8cb8325 100644 --- a/arch/x86/kernel/tsc_msr.c +++ b/arch/x86/kernel/tsc_msr.c @@ -13,7 +13,7 @@ #include <asm/apic.h> #include <asm/param.h> -#define MAX_NUM_FREQS 8 +#define MAX_NUM_FREQS 9 /* * If MSR_PERF_STAT[31] is set, the maximum resolved bus ratio can be @@ -40,6 +40,9 @@ static struct freq_desc freq_desc_tables[] = { { 6, 0x37, 1, { 83300, 100000, 133300, 116700, 80000, 0, 0, 0 } }, /* ANN - Intel Atom processor Z3500 series */ { 6, 0x5a, 1, { 83300, 100000, 133300, 100000, 0, 0, 0, 0 } }, + /* AMT - Intel Atom processor X7-Z8000 and X5-Z8000 series */ + { 6, 0x4c, 1, { 83300, 100000, 133300, 116700, + 80000, 93300, 90000, 88900, 87500 } }, }; static int match_cpu(u8 family, u8 model) |