GNUBoot/coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

google/gru: pass apio number to arm-trust-firmware

Browse source 
To save power when entering suspend, gpios 2 to 4 need to be set
to input and 'pull none' mode.
Pass the APIO configuration to ATF so it can do a proper job here.

BRANCH=None
BUG=chrome-os-partner:56423
TEST=run suspend_stress_test on kevin board

Change-Id: Id57fe8f622ae3f9c2bc7e58be89518b2b846cd37
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 9c42082d1ca9a6baa735821382d3e83c1f8dc9ad
Original-Change-Id: Iaf441e8e34c5591ffe7c65f6533fcf0b733ff5ac
Original-Signed-off-by: Lin Huang <hl@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/378475
Original-Commit-Ready: Caesar Wang <wxt@rock-chips.com>
Original-Tested-by: Caesar Wang <wxt@rock-chips.com>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/16720
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Lin Huang 2016-08-30 15:34:42 -07:00 committed by Patrick Georgi
parent 7d8ccfb9b3
commit c9fea5cdec
1 changed files with 18 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
src/mainboard/google/gru/mainboard.c
View file

@ -43,6 +43,23 @@ static void configure_emmc(void)
rkclk_configure_emmc(); rkclk_configure_emmc();
} }
static void register_apio_suspend(void)
{
static struct bl31_apio_param param_apio = {
.h = {
.type = PARAM_SUSPEND_APIO,
},
.apio = {
.apio1 = 1,
.apio2 = 1,
.apio3 = 1,
.apio4 = 1,
.apio5 = 1,
},
};
register_bl31_param(&param_apio.h);
}
static void register_gpio_suspend(void) static void register_gpio_suspend(void)
{ {
/* /*
@ -228,6 +245,7 @@ static void mainboard_init(device_t dev)
register_reset_to_bl31(); register_reset_to_bl31();
register_poweroff_to_bl31(); register_poweroff_to_bl31();
register_gpio_suspend(); register_gpio_suspend();
register_apio_suspend();
} }
static void enable_backlight_booster(void) static void enable_backlight_booster(void)