[U-Boot] [RFC PATCH 2/9] x86: quark: Bypass TSC calibration

[Bin Meng]

For some unknown reason, the TSC calibration via PIT does not work on
Quark. Enable bypassing TSC calibration and override TSC_FREQ_IN_MHZ
to 400 per Quark datasheet in the Kconfig.

Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
---

 arch/x86/cpu/quark/Kconfig | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/x86/cpu/quark/Kconfig b/arch/x86/cpu/quark/Kconfig
index 163caac..bc961ef 100644
--- a/arch/x86/cpu/quark/Kconfig
+++ b/arch/x86/cpu/quark/Kconfig
@@ -7,6 +7,7 @@
 config INTEL_QUARK
 	bool
 	select HAVE_RMU
+	select TSC_CALIBRATION_BYPASS
 
 if INTEL_QUARK
 
@@ -118,4 +119,8 @@ config SYS_CAR_SIZE
 	  Space in bytes in eSRAM used as Cache-As-ARM (CAR).
 	  Note this size must not exceed eSRAM's total size.
 
+config TSC_FREQ_IN_MHZ
+	int
+	default 400
+
 endif
-- 
1.8.2.1