diff options
| -rw-r--r-- | src/soc/intel/meteorlake/me.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/soc/intel/meteorlake/me.c b/src/soc/intel/meteorlake/me.c index 7d89590dc3..743e9636a8 100644 --- a/src/soc/intel/meteorlake/me.c +++ b/src/soc/intel/meteorlake/me.c @@ -76,6 +76,18 @@ union me_hfsts6 { } __packed fields; }; + +/* + * Manufacturing mode is disabled if the descriptor is locked, fuses + * are programmed and manufacturing variables are locked. + * The function returns true if manufacturing mode is disabled otherwise false. + */ +static bool is_eom(union me_hfsts1 hfsts1, union me_hfsts6 hfsts6) +{ + return (hfsts1.fields.mfg_mode == 0) && (hfsts6.fields.manuf_lock == 1) && + (hfsts6.fields.fpf_soc_lock == 1); +} + static void dump_me_status(void *unused) { union me_hfsts1 hfsts1; @@ -102,13 +114,9 @@ static void dump_me_status(void *unused) printk(BIOS_DEBUG, "ME: HFSTS5 : 0x%08X\n", hfsts5.data); printk(BIOS_DEBUG, "ME: HFSTS6 : 0x%08X\n", hfsts6.data); - /* - * Lock Descriptor, and Fuses must be programmed on a - * production system to indicate ME Manufacturing mode is disabled. - */ printk(BIOS_DEBUG, "ME: Manufacturing Mode : %s\n", - ((hfsts1.fields.mfg_mode == 0) && - (hfsts6.fields.fpf_soc_lock == 1)) ? "NO" : "YES"); + is_eom(hfsts1, hfsts6) ? "NO" : "YES"); + /* * The SPI Protection Mode bit reflects SPI descriptor * locked(0) or unlocked(1). |