diff options
| author | Mary Ruthven <mruthven@chromium.org> | 2016-08-10 14:48:42 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-08-14 02:03:21 -0700 |
| commit | e7bdf36f3476c736e4786b41d71a59ee21448dff (patch) | |
| tree | e3b219c8bf62b7c6b81f776115922b6b572e9064 | |
| parent | 8e512d9d7d04f86138086b202265cd67cd4c7f9c (diff) | |
| download | chrome-ec-e7bdf36f3476c736e4786b41d71a59ee21448dff.tar.gz | |
cr50: delay sleep for 3 minutes after resuming from sleep or after init
Disable sleep for the first 3 minutes after initializing cr50 and
disable sleep for 3 minutes after a wakepin interrupt has been received.
BUG=none
BRANCH=none
TEST=manual
on a development board pull up dioa3 and dioa12 then verify cr50
does goes to sleep after 3 minutes.
on gru see sleep is delayed by 3 minutes when the wakeup
interrupt is called.
enable deep sleep and check cr50 does not go to sleep for 3
minutes after resuming.
Change-Id: I28ec3c2f5f86326b926d403ad52ffb4fc108e7ec
Signed-off-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/367880
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
| -rw-r--r-- | board/cr50/board.c | 2 | ||||
| -rw-r--r-- | chip/g/idle.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/board/cr50/board.c b/board/cr50/board.c index 12b0c58773..f68a37543c 100644 --- a/board/cr50/board.c +++ b/board/cr50/board.c @@ -117,7 +117,7 @@ void pmu_wakeup_interrupt(void) * Delay sleep long enough for a SPI slave transaction to start * or for the system to be reset. */ - delay_sleep_by(3 * SECOND); + delay_sleep_by(3 * MINUTE); if (!gpio_get_level(GPIO_SYS_RST_L_IN)) sys_rst_asserted(GPIO_SYS_RST_L_IN); diff --git a/chip/g/idle.c b/chip/g/idle.c index 23524aae15..88a2c14eaa 100644 --- a/chip/g/idle.c +++ b/chip/g/idle.c @@ -4,6 +4,7 @@ */ #include "common.h" +#include "timer.h" #include "console.h" #include "rdd.h" #include "registers.h" @@ -172,6 +173,9 @@ void __idle(void) GREG32(PMU, PWRDN_SCRATCH17) = idle_action; } + /* Disable sleep until 3 minutes after init */ + delay_sleep_by(3 * MINUTE); + while (1) { /* Anyone still busy? */ |