diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-11-23 07:23:40 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-06-06 09:24:11 +0000 |
| commit | c328a680def0f589536c24ff547465bd7eb3546d (patch) | |
| tree | fa81f3b8f83b9fd408435d2b085b40d8655d68a0 /src/southbridge/intel/i82801gx | |
| parent | 2e270ae2974463c86711b400a7abcb36d1b2e67d (diff) | |
soc,southbridge/intel: Control SMI related FADT entries
When no SMI is installed, FADT should not advertise a trigger
mechanism that does not respond.
Change-Id: Ifb4f99c11a72e75ec20b9faaf62aed5546de91fa
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41909
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/southbridge/intel/i82801gx')
| -rw-r--r-- | src/southbridge/intel/i82801gx/lpc.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/southbridge/intel/i82801gx/lpc.c b/src/southbridge/intel/i82801gx/lpc.c index 7e2b5a7ca6..86c3e58750 100644 --- a/src/southbridge/intel/i82801gx/lpc.c +++ b/src/southbridge/intel/i82801gx/lpc.c @@ -521,13 +521,15 @@ void acpi_fill_fadt(acpi_fadt_t *fadt) fadt->reserved = 0; fadt->sci_int = 0x9; - fadt->smi_cmd = APM_CNT; - fadt->acpi_enable = APM_CNT_ACPI_ENABLE; - fadt->acpi_disable = APM_CNT_ACPI_DISABLE; - fadt->s4bios_req = 0x0; - fadt->pstate_cnt = APM_CNT_PST_CONTROL; - fadt->cst_cnt = APM_CNT_CST_CONTROL; + if (CONFIG(HAVE_SMI_HANDLER)) { + fadt->smi_cmd = APM_CNT; + fadt->acpi_enable = APM_CNT_ACPI_ENABLE; + fadt->acpi_disable = APM_CNT_ACPI_DISABLE; + fadt->pstate_cnt = APM_CNT_PST_CONTROL; + fadt->cst_cnt = APM_CNT_CST_CONTROL; + } + fadt->p_lvl2_lat = 1; fadt->p_lvl3_lat = chip->c3_latency; fadt->flush_size = 0; |