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authorDirk Brandewie <dirk.brandewie@gmail.com>2011-11-10 13:42:53 +0000
committerIngo Molnar <mingo@elte.hu>2011-11-10 16:20:59 +0100
commit0a9153261d54c432bc0bdc88607f24c835ac729c (patch)
tree25fe6a310d3f3ecb9f873c8e49c852f1f4c5abe1 /arch/x86/include/asm/mrst.h
parent1ade93efd0a3dda5b0c0afda8ab8f4bd12938c1b (diff)
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>
Diffstat (limited to 'arch/x86/include/asm/mrst.h')
-rw-r--r--arch/x86/include/asm/mrst.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h
index 719f00b28ff5..e6283129c821 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