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Groups > linux.kernel > #1367806
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| From | Len Brown <lenb@kernel.org> |
| Newsgroups | linux.kernel |
| Subject | [PATCH 5/9] x86 tsc_msr: Add Airmont reference clock values |
| Date | Thu, 31 Mar 2016 06:20:03 +0200 |
| Message-ID | <riCfp-7Lb-19@gated-at.bofh.it> (permalink) |
| References | <riCfn-7Lb-3@gated-at.bofh.it> |
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| Reply-To | Len Brown <lenb@kernel.org> |
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From: Len Brown <len.brown@intel.com>
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>
---
arch/x86/kernel/tsc_msr.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c
index 19f2a9a..59c371e 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)
--
2.8.0.rc4.16.g56331f8
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[PATCH 0/9] x86: TSC calibration update Len Brown <lenb@kernel.org> - 2016-03-31 06:20 +0200 [PATCH 6/9] x86 tsc_msr: Extend to include Intel Core Architecture Len Brown <lenb@kernel.org> - 2016-03-31 06:20 +0200 [PATCH 2/9] x86 tsc_msr: Remove debugging messages Len Brown <lenb@kernel.org> - 2016-03-31 06:20 +0200 [PATCH 9/9] x86 tsc: enumerate BXT tsc_khz via CPUID Len Brown <lenb@kernel.org> - 2016-03-31 06:20 +0200 [PATCH 4/9] x86 tsc_msr: Correct Silvermont reference clock values Len Brown <lenb@kernel.org> - 2016-03-31 06:20 +0200 [PATCH 5/9] x86 tsc_msr: Add Airmont reference clock values Len Brown <lenb@kernel.org> - 2016-03-31 06:20 +0200
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