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| author | Nick Sanders <nsanders@chromium.org> | 2018-08-23 19:01:19 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-08-25 07:31:18 -0700 |
| commit | b79cd75882007448db3cb9467fc11b6b4f726283 (patch) | |
| tree | 9ab879917417beb1e058171c0e268e6e9bd382a5 | |
| parent | fa43b6dc158d5f3b9cc10f3c1f79c45ef8ed6f05 (diff) | |
| download | chrome-ec-b79cd75882007448db3cb9467fc11b6b4f726283.tar.gz | |
servo_v4: clear bbram PD state on reboot
Preserved bbram state causes failure to reinit on reboot.
Clear on board init.
BRANCH=None
BUG=b:111573811
TEST=PD reinits on reboot.
Change-Id: Ifdf98b5793cb99e2900ac5dc53263a86317b6b07
Signed-off-by: Nick Sanders <nsanders@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1187883
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
| -rw-r--r-- | board/servo_v4/board.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/board/servo_v4/board.c b/board/servo_v4/board.c index 8511788e7a..982ed9ccfb 100644 --- a/board/servo_v4/board.c +++ b/board/servo_v4/board.c @@ -15,6 +15,7 @@ #include "queue_policies.h" #include "registers.h" #include "spi.h" +#include "system.h" #include "task.h" #include "timer.h" #include "update_fw.h" @@ -31,6 +32,7 @@ #include "gpio_list.h" #define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args) +#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ## args) /****************************************************************************** * Board pre-init function. @@ -434,6 +436,10 @@ static void board_init(void) init_uservo_port(); init_usb3_port(); + /* Clear BBRAM, we don't want any PD state carried over on reset. */ + system_set_bbram(SYSTEM_BBRAM_IDX_PD0, 0); + system_set_bbram(SYSTEM_BBRAM_IDX_PD1, 0); + /* * Enable SBU mux. The polarity is set each time a new PD attach event * occurs. But, the SBU mux is not disabled on detach so that the H1 USB |