diff options
| author | Ryan Zhang <ryan.zhang@quanta.corp-partner.google.com> | 2018-04-20 10:58:18 +0800 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2018-05-16 00:55:21 +0000 |
| commit | 63bf84d6ccef9ce042faf2a6783b444487cee2fc (patch) | |
| tree | e2106446c9385dffd777feae521df9a0f86c78ee | |
| parent | 96640173e99735c5705f29fb9577394d9ae776b4 (diff) | |
| download | chrome-ec-63bf84d6ccef9ce042faf2a6783b444487cee2fc.tar.gz | |
Fizz: add CONFIG_BOARD_HAS_RTC_RESET
This patch resets the RTC of the SoC when the system doesn't leave
S5. If it fails 5 times, the system will go back to and stay in G3.
BUG=b:79323716
BRANCH=fizz
TEST=Boot Fizz differently:
1. AC plug-in
2. Power button press
3. reboot EC command
4. servo reset button
5. Recovery mode
Change-Id: I728c99c342fb888600599acbe25f72a478ccf948
Signed-off-by: Ryan Zhang <ryan.zhang@quanta.corp-partner.google.com>
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1020583
| -rw-r--r-- | board/chell/board.h | 3 | ||||
| -rw-r--r-- | board/fizz/board.c | 8 | ||||
| -rw-r--r-- | board/fizz/board.h | 1 | ||||
| -rw-r--r-- | power/intel_x86.h | 5 |
4 files changed, 14 insertions, 3 deletions
diff --git a/board/chell/board.h b/board/chell/board.h index b2eb1271f2..122637f6c0 100644 --- a/board/chell/board.h +++ b/board/chell/board.h @@ -224,9 +224,6 @@ extern const int keyboard_factory_scan_pins_used; /* Reset PD MCU */ void board_reset_pd_mcu(void); -/* Reset RTC */ -void board_rtc_reset(void); - #endif /* !__ASSEMBLER__ */ #endif /* __CROS_EC_BOARD_H */ diff --git a/board/fizz/board.c b/board/fizz/board.c index 212d609f81..f28e8070ab 100644 --- a/board/fizz/board.c +++ b/board/fizz/board.c @@ -676,3 +676,11 @@ int fan_percent_to_rpm(int fan, int pct) } return get_custom_rpm(fan, pct, oem_id); } + +void board_rtc_reset(void) +{ + CPRINTS("Asserting RTCRST# to PCH"); + gpio_set_level(GPIO_PCH_RTCRST, 1); + udelay(100); + gpio_set_level(GPIO_PCH_RTCRST, 0); +} diff --git a/board/fizz/board.h b/board/fizz/board.h index 3ee3e86dd1..3b5f639f68 100644 --- a/board/fizz/board.h +++ b/board/fizz/board.h @@ -17,6 +17,7 @@ /* EC */ #define CONFIG_ADC +#define CONFIG_BOARD_HAS_RTC_RESET #define CONFIG_BOARD_VERSION #define CONFIG_BOARD_SPECIFIC_VERSION #define CONFIG_CRC8 diff --git a/power/intel_x86.h b/power/intel_x86.h index 70a1a66e65..bfbf89538c 100644 --- a/power/intel_x86.h +++ b/power/intel_x86.h @@ -33,4 +33,9 @@ enum power_state chipset_force_g3(void); */ enum power_state common_intel_x86_power_handle_state(enum power_state state); +/** + * Reset RTC + */ +void board_rtc_reset(void); + #endif /* __CROS_EC_INTEL_X86_H */ |