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Skylake: Fix for "apreset cold" EC console command

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Debounce time for the GPIO SYS_RESET_L is 16ms hence increased the time
delay between SYS_RESET_L pin toggling to 20ms.

BUG=chrome-os-partner:40246
TEST=Tested "apreset cold" EC console command on Kunimitsu
BRANCH=none

Change-Id: If17229ce485de708b550ec84939e2696e451cb0c
Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/270776
Reviewed-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Vijay Hiremath
2015-05-12 18:33:39 -07:00
committed by ChromeOS Commit Bot
parent 628bf15176
commit cb29daa58c
1 changed files with 2 additions and 1 deletions
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3
power/skylake.c
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@@ -68,7 +68,8 @@ void chipset_reset(int cold_reset)
if (gpio_get_level(GPIO_SYS_RESET_L) == 0)
return;
gpio_set_level(GPIO_SYS_RESET_L, 0);
udelay(100);
/* Debounce time for SYS_RESET_L is 16 ms */
udelay(20 * MSEC);
gpio_set_level(GPIO_SYS_RESET_L, 1);
} else {
/*