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| author | Mary Ruthven <mruthven@chromium.org> | 2016-08-29 14:27:46 -0700 |
|---|---|---|
| committer | Mary Ruthven <mruthven@chromium.org> | 2016-08-31 21:34:28 +0000 |
| commit | eb3f4b43f3efc2727d119f6b3a71a4ac7ac083d4 (patch) | |
| tree | daf80f917153b7ee737b2b336b2675982d74bc72 /board/kevin/board.c | |
| parent | 6c7fccf35674b09831dccd3ea8844990f041db8c (diff) | |
| download | chrome-ec-eb3f4b43f3efc2727d119f6b3a71a4ac7ac083d4.tar.gz | |
kevin: Add pullup to sys_rst_l
On boards using cr50 as the TPM there needs to be a pullup on SYS_RST_L
BUG=chrome-os-partner:56701
BRANCH=none
TEST=verify SYS_RST_L is pulled up on DVT1 and earlier.
Change-Id: Ib87ef48bafe1dad1329678f9a80c34c7adc2df01
Signed-off-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/377504
Reviewed-by: Shawn N <shawnn@chromium.org>
Diffstat (limited to 'board/kevin/board.c')
| -rw-r--r-- | board/kevin/board.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/board/kevin/board.c b/board/kevin/board.c index 8428791fd3..628fcde0f4 100644 --- a/board/kevin/board.c +++ b/board/kevin/board.c @@ -387,8 +387,11 @@ int board_get_version(void) */ #ifdef BOARD_KEVIN #define BOARD_VERSION_NEW_GPIO_CFG BOARD_VERSION_REV3 +#define BOARD_VERSION_DISCREET_TPM BOARD_VERSION_REV5 #else #define BOARD_VERSION_NEW_GPIO_CFG BOARD_VERSION_REV1 +/* No version of gru has a discreet TPM */ +#define BOARD_VERSION_DISCREET_TPM BOARD_VERSION_COUNT #endif /* CONFIG removed in CL:351151. */ @@ -417,6 +420,10 @@ static void board_config_check(void) { int board_ver = board_get_version(); + /* On Boards without a discreet TPM add a pullup to SYR_RST_L */ + if (board_ver < BOARD_VERSION_DISCREET_TPM) + gpio_set_flags(GPIO_SYS_RST_L, GPIO_ODR_HIGH | GPIO_PULL_UP); + if (board_ver < BOARD_VERSION_NEW_GPIO_CFG) hook_call_deferred(&board_config_warning_data, 0); } |