From c328a680def0f589536c24ff547465bd7eb3546d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ky=C3=B6sti=20M=C3=A4lkki?= Date: Sat, 23 Nov 2019 07:23:40 +0200 Subject: soc,southbridge/intel: Control SMI related FADT entries MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When no SMI is installed, FADT should not advertise a trigger mechanism that does not respond. Change-Id: Ifb4f99c11a72e75ec20b9faaf62aed5546de91fa Signed-off-by: Kyösti Mälkki Reviewed-on: https://review.coreboot.org/c/coreboot/+/41909 Reviewed-by: Angel Pons Reviewed-by: Subrata Banik Tested-by: build bot (Jenkins) --- src/southbridge/intel/i82801gx/lpc.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) (limited to 'src/southbridge/intel/i82801gx') 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; -- cgit v1.2.3