diff options
| author | Mary Ruthven <mruthven@google.com> | 2019-01-28 16:40:14 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2019-01-31 18:18:47 -0800 |
| commit | 02390c35e35108ea4474827dbe037541d3b93c76 (patch) | |
| tree | 3b00f3a60958d91699734b46807eb26c6beccd32 | |
| parent | bb55365b98d78a09c9dcf00f3b7d144c245d6990 (diff) | |
| download | chrome-ec-02390c35e35108ea4474827dbe037541d3b93c76.tar.gz | |
cr50: add board_closed_loop_reset property
BUG=b:123544145
BRANCH=cr50
TEST=none
Change-Id: If9b12685f7f70f0653d137bbfa15f6a6232343e0
Signed-off-by: Mary Ruthven <mruthven@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1443868
Commit-Ready: Mary Ruthven <mruthven@chromium.org>
Tested-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
| -rw-r--r-- | board/cr50/board.c | 5 | ||||
| -rw-r--r-- | board/cr50/board.h | 7 | ||||
| -rw-r--r-- | board/cr50/scratch_reg1.h | 8 |
3 files changed, 19 insertions, 1 deletions
diff --git a/board/cr50/board.c b/board/cr50/board.c index e984b9be04..ef6ea35ded 100644 --- a/board/cr50/board.c +++ b/board/cr50/board.c @@ -164,6 +164,11 @@ int board_uses_closed_source_set1(void) return !!(board_properties & BOARD_CLOSED_SOURCE_SET1); } +int board_uses_closed_loop_reset(void) +{ + return !!(board_properties & BOARD_CLOSED_LOOP_RESET); +} + /* Get header address of the backup RW copy. */ const struct SignedHeader *get_other_rw_addr(void) { diff --git a/board/cr50/board.h b/board/cr50/board.h index 95a74e1af6..95a0fd3a4e 100644 --- a/board/cr50/board.h +++ b/board/cr50/board.h @@ -290,6 +290,13 @@ int board_tpm_uses_spi(void); * @return 0 if option is not set, !=0 if option set. */ int board_uses_closed_source_set1(void); +/** + * The board needs to wait until TPM_RST_L is asserted before deasserting + * system reset signals. + * + * @return 0 if option is not set, !=0 if option set. + */ +int board_uses_closed_loop_reset(void); int board_id_is_mismatched(void); /* Allow for deep sleep to be enabled on AP shutdown */ int board_deep_sleep_allowed(void); diff --git a/board/cr50/scratch_reg1.h b/board/cr50/scratch_reg1.h index 5540ee514d..36eb266712 100644 --- a/board/cr50/scratch_reg1.h +++ b/board/cr50/scratch_reg1.h @@ -70,12 +70,18 @@ #define BOARD_CLOSED_SOURCE_SET1 (1 << 17) /* + * Wait until PLT_RST_L is asserted before deasserting reset. + */ +#define BOARD_CLOSED_LOOP_RESET (1 << 18) + +/* * Macro to capture all properties related to board strapping pins. This must be * updated if additional strap related properties are added. */ #define BOARD_ALL_PROPERTIES (BOARD_SLAVE_CONFIG_SPI | BOARD_SLAVE_CONFIG_I2C \ | BOARD_NEEDS_SYS_RST_PULL_UP | BOARD_USE_PLT_RESET | \ BOARD_DEEP_SLEEP_DISABLED | BOARD_DETECT_AP_WITH_UART | \ - BOARD_WP_DISABLE_DELAY | BOARD_CLOSED_SOURCE_SET1) + BOARD_WP_DISABLE_DELAY | BOARD_CLOSED_SOURCE_SET1 | \ + BOARD_CLOSED_LOOP_RESET) #endif /* ! __EC_BOARD_CR50_SCRATCH_REG1_H */ |