V3s_Allwinner
/
uboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 2 Wiki Activity

x86: quark: Bypass TSC calibration 

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@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2015-02-05 23:42:21 +08:00 committed by Simon Glass
parent f56aeaa4ac
commit ea94532461
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/x86/cpu/quark/Kconfig
View File

@ -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