exynos5xxx: use oscillator clock when changing ARM frequency
commitf05e8713007fa61f20dfa39a5176f8d5427cd673
authorDavid Hendricks <dhendrix@chromium.org>
Tue, 6 Aug 2013 22:17:37 +0000 (6 15:17 -0700)
committerPatrick Georgi <patrick@georgi-clan.de>
Sat, 21 Dec 2013 21:45:48 +0000 (21 22:45 +0100)
tree363aaf2be3249b20232e5cea3efb942b5c865e39
parent49c1be95d32f7106da2aef2c8f94709457081e7a
exynos5xxx: use oscillator clock when changing ARM frequency

Switch ARM clock source when changing the APLL frequency to avoid
stability issues.

This is ported from https://gerrit.chromium.org/gerrit/#/c/64189/5

Signed-off-by: David Hendricks <dhendrix@chromium.org>
Change-Id: I923107555e6d3287b3694cbf9e4bb548d3e5f4a8
Reviewed-on: https://gerrit.chromium.org/gerrit/64838
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Commit-Queue: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/4442
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
src/cpu/samsung/exynos5250/clock_init.c
src/cpu/samsung/exynos5250/setup.h
src/cpu/samsung/exynos5420/clock_init.c
src/cpu/samsung/exynos5420/setup.h