27 Mar
2018
27 Mar
'18
6:07 p.m.
27 марта 2018 г., в 12:29, Kever Yang kever.yang@rock-chips.com написал(а):
We use ARM arch timer instead.
Hi, Kever!
Just let you know, that arch timer rate on rk3066 and rk3188 depends on CPU frequency. I’ve made patch[1] for fixing that in kernel. If u-boot do arm clock changes after timer initialization, timer can provide inaccurate delays.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/dr...
Alexander.