diff options
| -rw-r--r-- | src/soc/intel/common/block/cse/cse.c | 16 | ||||
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/cse.h | 6 |
2 files changed, 22 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c index 05b67eed32fe..7d6fabaa9be1 100644 --- a/src/soc/intel/common/block/cse/cse.c +++ b/src/soc/intel/common/block/cse/cse.c @@ -257,6 +257,22 @@ bool cse_is_hfs1_com_soft_temp_disable(void) return cse_check_hfs1_com(ME_HFS1_COM_SOFT_TEMP_DISABLE); } +/* + * TGL HFSTS1.spi_protection_mode bit replaces the previous + * `manufacturing mode (mfg_mode)` without changing the offset and purpose + * of this bit. + * + * Using HFSTS1.mfg_mode to get the SPI protection status for all PCH. + * mfg_mode = 0 means SPI protection in on. + * mfg_mode = 1 means SPI is unprotected. + */ +bool cse_is_hfs1_spi_protected(void) +{ + union me_hfsts1 hfs1; + hfs1.data = me_read_config32(PCI_ME_HFSTS1); + return !hfs1.fields.mfg_mode; +} + bool cse_is_hfs3_fw_sku_lite(void) { union me_hfsts3 hfs3; diff --git a/src/soc/intel/common/block/include/intelblocks/cse.h b/src/soc/intel/common/block/include/intelblocks/cse.h index 68f1d3c2a81e..540dabc76c48 100644 --- a/src/soc/intel/common/block/include/intelblocks/cse.h +++ b/src/soc/intel/common/block/include/intelblocks/cse.h @@ -301,6 +301,12 @@ bool cse_is_hfs1_com_secover_mei_msg(void); bool cse_is_hfs1_com_soft_temp_disable(void); /* + * Checks CSE's spi protection mode is protected or unprotected. + * Returns true if CSE's spi protection mode is protected, otherwise false. + */ +bool cse_is_hfs1_spi_protected(void); + +/* * Checks CSE's Firmware SKU is Lite or not. * Returns true if CSE's Firmware SKU is Lite, otherwise false */ |