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UPSTREAM: intel/apollolake: Skip ITSS configuration in SMM

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In SMM, gpio configuration could be done to avoid leakage. ITSS
configuration is not required when entering sleep. Thus, bail out early
from itss configuration if in SMM.

BUG=chrome-os-partner:56281
BRANCH=None
TEST=None

Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/16242
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

Change-Id: I4d8be0513aa202f001f980bb91986b50b8ed2a5b
Reviewed-on: https://chromium-review.googlesource.com/373033
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Furquan Shaikh 2016-08-17 16:16:39 -07:00 • committed by chrome-bot
commit 4b28c91d77
1 changed files with 4 additions and 0 deletions
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4
src/soc/intel/apollolake/gpio.c
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@ -72,6 +72,10 @@ static const struct pad_community *gpio_get_community(uint16_t pad)
static void gpio_configure_itss(const struct pad_config *cfg,
uint16_t port, uint16_t pad_cfg_offset)
{
/* No ITSS configuration in SMM. */
if (ENV_SMM)
return;
int irq;
/* Set up ITSS polarity if pad is routed to APIC.