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authorPatrick Rudolph <siro@das-labor.org>2017-02-25 09:56:53 +0100
committerPatrick Georgi <pgeorgi@google.com>2020-03-09 08:14:04 +0000
commit9f3e734e5c3760ff30906862a3f9ca724ea5fffb (patch)
treec3db88f9bdaa03ee1783976f4c46cca699643c90 /src/mainboard/lenovo/l520
parentef613b97cf03d764f2894e314c65282589af55b3 (diff)
libpayload: Improve rtc functions
On Lenovo T500 the RTC readings where wrong, as RTC has different encodings, depending on the statusB register. Support BCD vs binary RTC format and AM/PM vs 24h RTC format. Fixes wrong date and time on Lenovo 500. Change-Id: Id773c33e228973e190a7e14c3d11979678b1a619 Signed-off-by: Patrick Rudolph <siro@das-labor.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/18498 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/mainboard/lenovo/l520')
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