diff options
| -rw-r--r-- | src/soc/intel/common/block/smm/smihandler.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/soc/intel/common/block/smm/smihandler.c b/src/soc/intel/common/block/smm/smihandler.c index 680ec87f3e..6c271968c1 100644 --- a/src/soc/intel/common/block/smm/smihandler.c +++ b/src/soc/intel/common/block/smm/smihandler.c @@ -297,9 +297,13 @@ static void southbridge_smi_store( const bool wp_enabled = !fast_spi_wpd_status(); if (wp_enabled) { set_insmm_sts(true); - fast_spi_disable_wp(); - /* Not clearing SPI sync SMI status here results in hangs */ + /* + * As per BWG, clearing "SPI_BIOS_CONTROL_SYNC_SS" + * bit is a must prior setting SPI_BIOS_CONTROL_WPD" bit + * to avoid 3-strike error. + */ fast_spi_clear_sync_smi_status(); + fast_spi_disable_wp(); } /* drivers/smmstore/smi.c */ |