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nautilus: Implement workaround for broken reset flags

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Current revision of nautilus boards will lose VBAT on power cycle and
therefore cannot successfully save the reset flag state.

Implement workaround that will allow boards to continue to work for
FAFT testing by indicating to the skylake chipset power code that it
could skip the PMIC reset when doing 'reboot ap-off'.

BUG=b:67062902
BRANCH=None
TEST=None

Change-Id: I078f6d62b2161c1b3322da15aba02efaca2010ba
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/855737
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Shawn N <shawnn@chromium.org>
This commit is contained in:
Furquan Shaikh
2018-01-08 19:57:22 -08:00
committed by chrome-bot
parent c1ad33b24d
commit 56d3ee4dd4
1 changed files with 12 additions and 0 deletions
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12
board/nautilus/board.c
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@@ -748,3 +748,15 @@ static void board_chipset_shutdown(void)
gpio_set_level(GPIO_ENABLE_TOUCHPAD, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT);
int board_has_working_reset_flags(void)
{
int version = system_get_board_version();
/* Boards Rev1 and Rev2 will lose reset flags on power cycle. */
if ((version == 1) || (version == 2))
return 0;
/* All other board versions should have working reset flags */
return 1;
}