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2014-12-30drivers/pc80/mc146818rtc: Assume we always have ALTCENTURYGabe Black
This patch has a rather twisted history. It was originally split off from a chromium patch, which moved ALTCENTURY to Kconfig. However, since we have no user without ALTCENTURY, we've agreed that the best way to proceed is to eliminate the non-ALTCENTURY case entirely. The old commit message and identifiers are kept below for reference: The availability of "ALTCENTURY" is now set through a kconfig variable so it can be available to the RTC driver without having to have a specialized interface. BUG=None TEST=Built and booted on Link with the event log code modified to use the RTC interface. Verified that the event times were accurate. BRANCH=nyan Original-Change-Id: Ifa807898e583254e57167fd44932ea86627a02ee Original-Signed-off-by: Gabe Black <gabeblack@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/197795 Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> Original-Tested-by: Gabe Black <gabeblack@chromium.org> Original-Commit-Queue: Gabe Black <gabeblack@chromium.org> This is the second half the following patch. (cherry picked from commit 9e0fd75142d29afe34f6c6b9ce0099f478ca5a93) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I8e871f31c3d4be7676abf9454ca90808d1ddca03 Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-on: http://review.coreboot.org/7987 Reviewed-by: Marc Jones <marc.jones@se-eng.com> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Tested-by: build bot (Jenkins)
2014-12-30rtc: Add an RTC API, and implement it for x86.Marc Jones
This CL adds an API for RTC drivers, and implements its two functions, rtc_get and rtc_set, for x86's RTC. The function which resets the clock when the CMOS as lost state now uses the RTC driver instead of accessing the those registers directly. BUG=None TEST=Built and booted on Link with the event log code modified to use the RTC interface. Verified that the event times were accurate. BRANCH=nyan Original-Change-Id: Ifa807898e583254e57167fd44932ea86627a02ee Original-Signed-off-by: Gabe Black <gabeblack@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/197795 Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> Original-Tested-by: Gabe Black <gabeblack@chromium.org> Original-Commit-Queue: Gabe Black <gabeblack@chromium.org> This is the first half of the patch. (cherry picked from commit 9e0fd75142d29afe34f6c6b9ce0099f478ca5a93) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I159f9b4872a0bb932961b4168b180c087dfb1883 Reviewed-on: http://review.coreboot.org/7889 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>