diff options
| author | Vincent Palatin <vpalatin@chromium.org> | 2014-11-03 10:09:47 -0800 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-11-18 09:10:42 +0000 |
| commit | 45b4eda8771ad03777a03326207075dce57f13e3 (patch) | |
| tree | e9fed5dc35f59827885fa6a99ef4656bdf5725a5 /board | |
| parent | 2ff6a30c47142db02be4b52ab42f2dd4da5aeb59 (diff) | |
| download | chrome-ec-45b4eda8771ad03777a03326207075dce57f13e3.tar.gz | |
Zinger: honor disable_sleep()
Extend the Zinger runtime to take into account the disable_sleep()
issued by the USB protocol stack and avoid going into deep-sleep while
connected.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=samus
BUG=none
TEST=connect Zinger to a PD power sink (Twinkie) and monitor the stop
mode entry/exit on a GPIO.
Change-Id: I04e35fdd65f3be3da7a4304dc1a92e6268930888
Reviewed-on: https://chromium-review.googlesource.com/230340
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'board')
| -rw-r--r-- | board/zinger/board.h | 1 | ||||
| -rw-r--r-- | board/zinger/runtime.c | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/board/zinger/board.h b/board/zinger/board.h index df642890a7..89a44f370f 100644 --- a/board/zinger/board.h +++ b/board/zinger/board.h @@ -32,6 +32,7 @@ #undef CONFIG_COMMON_PANIC_OUTPUT #undef CONFIG_COMMON_RUNTIME #undef CONFIG_COMMON_TIMER +#define CONFIG_LOW_POWER_IDLE #undef CONFIG_CONSOLE_CMDHELP #undef CONFIG_DEBUG_ASSERT #undef CONFIG_DEBUG_EXCEPTIONS diff --git a/board/zinger/runtime.c b/board/zinger/runtime.c index d07139dbaf..4dda979d46 100644 --- a/board/zinger/runtime.c +++ b/board/zinger/runtime.c @@ -9,11 +9,13 @@ #include "cpu.h" #include "debug.h" #include "registers.h" +#include "system.h" #include "task.h" #include "timer.h" #include "util.h" volatile uint32_t last_event; +uint32_t sleep_mask; timestamp_t get_time(void) { @@ -139,7 +141,8 @@ uint32_t task_wait_event(int timeout_us) if (timeout_us < 0) { asm volatile ("wfi"); } else if (timeout_us <= - (STOP_MODE_LATENCY + SET_RTC_MATCH_DELAY)) { + (STOP_MODE_LATENCY + SET_RTC_MATCH_DELAY) || + !DEEP_SLEEP_ALLOWED) { STM32_TIM32_CCR1(2) = STM32_TIM32_CNT(2) + timeout_us; STM32_TIM_SR(2) = 0; /* clear match flag */ STM32_TIM_DIER(2) = 2; /* match interrupt */ |