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authorDuncan Laurie <dlaurie@chromium.org>2018-01-30 09:51:38 -0800
committerPatrick Georgi <pgeorgi@google.com>2018-01-31 09:55:59 +0000
commit61e4e1ab6fffb05f9f18eeeaa1cf3959492e8a13 (patch)
tree476c2ed500953f6f841ca160cedec76cb3be08dd /src/drivers/parade/ps8625/Makefile.inc
parent00c0cd2c45d503716dfd7d37ebff6c6768712a52 (diff)
soc/intel/skylake: Fix common timer frequency
The calculation to set up the PM timer emulation is using an incorrect common timer clock value that was copied from Apollolake. According to the PDG Skylake and Kabylake clocks are derived from a 24MHz XTAL, not 19.2MHz like Apollolake. Fixing this value results in the proper "correction value" to be programmed into the PM timer emulation MSR that matches the raw value that would be programmed by FSP. (if it were doing MpInit) Old PM timer correction value: 0x2fba2e25 New PM timer correction value: 0x262e8b51 Change-Id: Ib2bb3cb1938ae34cfa7aef177bef6fc24da73335 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/23509 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Subrata Banik <subrata.banik@intel.com> Reviewed-by: Furquan Shaikh <furquan@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/drivers/parade/ps8625/Makefile.inc')
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