diff options
Diffstat (limited to 'src/southbridge/intel/lynxpoint')
| -rw-r--r-- | src/southbridge/intel/lynxpoint/smihandler.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/southbridge/intel/lynxpoint/smihandler.c b/src/southbridge/intel/lynxpoint/smihandler.c index 87848c23c7..12e5ea2eb6 100644 --- a/src/southbridge/intel/lynxpoint/smihandler.c +++ b/src/southbridge/intel/lynxpoint/smihandler.c @@ -25,6 +25,8 @@ #include <elog.h> #include <halt.h> #include <pc80/mc146818rtc.h> +#include <northbridge/intel/haswell/haswell.h> +#include <cpu/intel/haswell/haswell.h> #include "pch.h" #include "nvs.h" @@ -270,11 +272,24 @@ static void southbridge_smi_apmc(void) { u8 reg8; em64t101_smm_state_save_area_t *state; + static int chipset_finalized = 0; /* Emulate B2 register as the FADT / Linux expects it */ reg8 = inb(APM_CNT); switch (reg8) { + case APM_CNT_FINALIZE: + if (chipset_finalized) { + printk(BIOS_DEBUG, "SMI#: Already finalized\n"); + return; + } + + intel_pch_finalize_smm(); + intel_northbridge_haswell_finalize_smm(); + intel_cpu_haswell_finalize_smm(); + + chipset_finalized = 1; + break; case APM_CNT_CST_CONTROL: /* Calling this function seems to cause * some kind of race condition in Linux |