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| author | Lin Huang <hl@rock-chips.com> | 2016-08-30 15:34:42 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2016-10-07 17:33:32 +0200 |
| commit | c9fea5cdec8214703edcea9ea3012f37a37b1c3c (patch) | |
| tree | 89c43727c1f7bb86713f43708e123f13cdb81a78 /src/mainboard | |
| parent | 7d8ccfb9b32cbffca1fb36cc775d399ace1b4cca (diff) | |
| download | coreboot-c9fea5cdec8214703edcea9ea3012f37a37b1c3c.tar.xz | |
google/gru: pass apio number to arm-trust-firmware
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>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/gru/mainboard.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/gru/mainboard.c b/src/mainboard/google/gru/mainboard.c index 1812a2ab41..b9d5355bf1 100644 --- a/src/mainboard/google/gru/mainboard.c +++ b/src/mainboard/google/gru/mainboard.c @@ -43,6 +43,23 @@ static void configure_emmc(void) 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(¶m_apio.h); +} + static void register_gpio_suspend(void) { /* @@ -228,6 +245,7 @@ static void mainboard_init(device_t dev) register_reset_to_bl31(); register_poweroff_to_bl31(); register_gpio_suspend(); + register_apio_suspend(); } static void enable_backlight_booster(void) |