Intel Cherrytrail is based on Airmont core so MSR_FSB_FREQ[2:0] = 4
means that the CPU reference clock runs at 80MHz.  Add this missing
frequency to the table.

Signed-off-by: Jeremy Compostella <jeremy.composte...@intel.com>
---
 arch/x86/kernel/tsc_msr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c
index 6aa0f4d..89694a7 100644
--- a/arch/x86/kernel/tsc_msr.c
+++ b/arch/x86/kernel/tsc_msr.c
@@ -23,6 +23,7 @@
 #include <asm/param.h>
 
 /* CPU reference clock frequency: in KHz */
+#define FREQ_80                80000
 #define FREQ_83                83200
 #define FREQ_100       99840
 #define FREQ_133       133200
@@ -56,6 +57,8 @@ static struct freq_desc freq_desc_tables[] = {
        { 6, 0x37, 1, { FREQ_83, FREQ_100, FREQ_133, FREQ_166, 0, 0, 0, 0 } },
        /* ANN */
        { 6, 0x5a, 1, { FREQ_83, FREQ_100, FREQ_133, FREQ_100, 0, 0, 0, 0 } },
+       /* AIRMONT */
+       { 6, 0x4c, 1, { FREQ_83, FREQ_100, FREQ_133, FREQ_166, FREQ_80, 0, 0, 0 
} },
 };
 
 static int match_cpu(u8 family, u8 model)
-- 
1.9.1

Reply via email to