From 0a9153261d54c432bc0bdc88607f24c835ac729c Mon Sep 17 00:00:00 2001
From: Dirk Brandewie <dirk.brandewie@gmail.com>
Date: Thu, 10 Nov 2011 13:42:53 +0000
Subject: x86/mrst: Add support for Penwell clock calibration

Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/mrst.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'arch/x86/include/asm')

diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h
index 719f00b28ff..e6283129c82 100644
--- a/arch/x86/include/asm/mrst.h
+++ b/arch/x86/include/asm/mrst.h
@@ -44,6 +44,13 @@ enum mrst_timer_options {
 
 extern enum mrst_timer_options mrst_timer_options;
 
+/*
+ * Penwell uses spread spectrum clock, so the freq number is not exactly
+ * the same as reported by MSR based on SDM.
+ */
+#define PENWELL_FSB_FREQ_83SKU         83200
+#define PENWELL_FSB_FREQ_100SKU        99840
+
 #define SFI_MTMR_MAX_NUM 8
 #define SFI_MRTC_MAX	8
 
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