diff options
Diffstat (limited to 'chip/lm4/system.c')
| -rw-r--r-- | chip/lm4/system.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/chip/lm4/system.c b/chip/lm4/system.c index d69942e85c..b998cb5e2d 100644 --- a/chip/lm4/system.c +++ b/chip/lm4/system.c @@ -39,15 +39,21 @@ enum hibdata_index { */ #define HIB_RESET_USEC 150000 +/** + * Wait for a write to commit to a hibernate register. + * + * @return EC_SUCCESS if successful, non-zero if error. + */ static int wait_for_hibctl_wc(void) { int i; + /* Wait for write-capable */ for (i = 0; i < 1000000; i++) { if (LM4_HIBERNATE_HIBCTL & LM4_HIBCTL_WRC) return EC_SUCCESS; } - return EC_ERROR_UNKNOWN; + return EC_ERROR_TIMEOUT; } /** @@ -282,7 +288,7 @@ void system_hibernate(uint32_t seconds, uint32_t microseconds) hibernate(seconds, microseconds, 0); } -int system_pre_init(void) +void system_pre_init(void) { volatile uint32_t scratch __attribute__((unused)); @@ -341,8 +347,6 @@ int system_pre_init(void) /* Brown-outs should trigger a reset */ LM4_SYSTEM_PBORCTL |= 0x02; - - return EC_SUCCESS; } void system_reset(int flags) |