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authorCaesar Wang <wxt@rock-chips.com>2017-05-16 08:39:40 +0800
committerJulius Werner <jwerner@chromium.org>2017-05-18 00:13:23 +0200
commit2684efc49213802dcd36bd9bddd7a69851b8774a (patch)
tree818c698fc13fff5cd733b242fbde2fd9fc8594a8 /src/soc/rockchip
parentc7ccb6b29fb138b1d5f6ac6f702e9e378f71e2d7 (diff)
downloadcoreboot-2684efc49213802dcd36bd9bddd7a69851b8774a.tar.xz
rockchip/rk3399: remove the delay for enabling SSC
The hang was caused by deasserting the reset before, it had been delayed 20us fixing the hang issue. So we can remove this delay for now. Change-Id: I5545377b72eb20b59ceaaca25c78965854bfb919 Signed-off-by: Caesar Wang <wxt@rock-chips.com> Reviewed-on: https://review.coreboot.org/19699 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/soc/rockchip')
-rw-r--r--src/soc/rockchip/rk3399/clock.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/src/soc/rockchip/rk3399/clock.c b/src/soc/rockchip/rk3399/clock.c
index 944ca6f417..7e205d2ba4 100644
--- a/src/soc/rockchip/rk3399/clock.c
+++ b/src/soc/rockchip/rk3399/clock.c
@@ -356,11 +356,6 @@ static void rkclk_set_dpllssc(struct pll_div *dpll_cfg)
{
u32 divval;
- /*
- * TODO find the root cause why is the delay needed, otherwise sometimes
- * hang somewhere with reboot tests.
- */
- udelay(30);
assert(dpll_cfg->refdiv && dpll_cfg->refdiv <= 6);
/*