From: tip-bot for Len Brown <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: hpa@zytor.com, peterz@infradead.org,
torvalds@linux-foundation.org, tglx@linutronix.de,
stephane.gasparini@intel.com, mingo@kernel.org,
linux-kernel@vger.kernel.org, len.brown@intel.com
Subject: [tip:x86/timers] x86/tsc_msr: Add Airmont reference clock values
Date: Sun, 10 Jul 2016 11:12:03 -0700 [thread overview]
Message-ID: <tip-6fcb41cdaee5056c96de88ee095bddd27a7697de@git.kernel.org> (raw)
In-Reply-To: <abc6a0f4b18281410da1a3f26e2819d8e03e144f.1466138954.git.len.brown@intel.com>
Commit-ID: 6fcb41cdaee5056c96de88ee095bddd27a7697de
Gitweb: http://git.kernel.org/tip/6fcb41cdaee5056c96de88ee095bddd27a7697de
Author: Len Brown <len.brown@intel.com>
AuthorDate: Fri, 17 Jun 2016 01:22:48 -0400
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Sun, 10 Jul 2016 17:00:13 +0200
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>
---
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 20487e2..65b3d8cb 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)
next prev parent reply other threads:[~2016-07-10 18:12 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-17 5:22 [PATCH 0/10] x86/tsc: fast calibration updates Len Brown
2016-06-17 5:22 ` [PATCH 01/10] Revert "x86/tsc: Add missing Cherrytrail frequency to the table" Len Brown
2016-06-17 5:22 ` [PATCH 02/10] x86 tsc_msr: Identify Intel-specific code Len Brown
2016-07-10 18:10 ` [tip:x86/timers] x86/tsc_msr: " tip-bot for Len Brown
2016-06-17 5:22 ` [PATCH 03/10] x86 tsc_msr: Remove debugging messages Len Brown
2016-07-10 18:10 ` [tip:x86/timers] x86/tsc_msr: " tip-bot for Len Brown
2016-06-17 5:22 ` [PATCH 04/10] x86 tsc_msr: Update comments, expand definitions Len Brown
2016-07-10 18:11 ` [tip:x86/timers] x86/tsc_msr: " tip-bot for Len Brown
2016-06-17 5:22 ` [PATCH 05/10] x86 tsc_msr: Correct Silvermont reference clock values Len Brown
2016-07-10 18:11 ` [tip:x86/timers] x86/tsc_msr: " tip-bot for Len Brown
2016-06-17 5:22 ` [PATCH 06/10] x86 tsc_msr: Add Airmont " Len Brown
2016-07-10 18:12 ` tip-bot for Len Brown [this message]
2016-06-17 5:22 ` [PATCH 07/10] x86 tsc_msr: Extend to include Intel Core Architecture Len Brown
2016-07-10 18:12 ` [tip:x86/timers] x86/tsc_msr: " tip-bot for Len Brown
2016-06-17 5:22 ` [PATCH 08/10] x86 tsc_msr: Remove irqoff around MSR-based TSC enumeration Len Brown
2016-07-10 18:12 ` [tip:x86/timers] x86/tsc_msr: " tip-bot for Len Brown
2016-07-11 19:33 ` tip-bot for Len Brown
2016-06-17 5:22 ` [PATCH 09/10] x86 tsc: enumerate SKL cpu_khz and tsc_khz via CPUID Len Brown
2016-07-10 18:13 ` [tip:x86/timers] x86/tsc: Enumerate " tip-bot for Len Brown
2016-07-11 19:34 ` tip-bot for Len Brown
2016-06-17 5:22 ` [PATCH 10/10] x86 tsc: enumerate BXT " Len Brown
2016-07-10 18:13 ` [tip:x86/timers] x86/tsc: Enumerate " tip-bot for Len Brown
2016-07-11 19:34 ` tip-bot for Len Brown
2016-07-10 18:09 ` [tip:x86/timers] Revert "x86/tsc: Add missing Cherrytrail frequency to the table" tip-bot for Len Brown
2016-06-17 7:36 ` [PATCH 0/10] x86/tsc: fast calibration updates Thomas Gleixner
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