From 988d3eefa65faf704fe59152308ad2797af0f263 Mon Sep 17 00:00:00 2001 From: Eran Mitrani Date: Mon, 12 Dec 2022 15:11:35 -0800 Subject: [PATCH] mb/google/hatch/dratini: increase power enable to reset deassert delay With 1ms delay, reset is de-asserted too soon, before power is fully up, causing a glitch to the reset signal. The issue is resolved with 4ms delay. TEST=tested on dratini device and observed the issue is resolved. BUG=b:260253945 Change-Id: I5c3edbc6ac90d5042c2d3c5b01573d4bb1ea676d Signed-off-by: Eran Mitrani Reviewed-on: https://review.coreboot.org/c/coreboot/+/70666 Reviewed-by: Tarun Tuli Tested-by: build bot (Jenkins) --- src/mainboard/google/hatch/variants/dratini/ramstage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mainboard/google/hatch/variants/dratini/ramstage.c b/src/mainboard/google/hatch/variants/dratini/ramstage.c index 176527b363..434d357b1d 100644 --- a/src/mainboard/google/hatch/variants/dratini/ramstage.c +++ b/src/mainboard/google/hatch/variants/dratini/ramstage.c @@ -14,6 +14,6 @@ void variant_ramstage_init(void) * a minimum of 400us on Kohaku. */ gpio_output(GPP_C11, 1); - mdelay(1); + mdelay(4); gpio_output(GPP_A12, 1); }