From c328a680def0f589536c24ff547465bd7eb3546d Mon Sep 17 00:00:00 2001 From: Kyösti Mälkki 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/bd82x6x/lpc.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'src/southbridge/intel/bd82x6x') diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c index 55e2573eff..45215f1c94 100644 --- a/src/southbridge/intel/bd82x6x/lpc.c +++ b/src/southbridge/intel/bd82x6x/lpc.c @@ -697,11 +697,12 @@ 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 = 0; + + 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->pm1a_evt_blk = pmbase; fadt->pm1b_evt_blk = 0x0; @@ -719,7 +720,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt) fadt->gpe0_blk_len = 16; fadt->gpe1_blk_len = 0; fadt->gpe1_base = 0; - fadt->cst_cnt = 0; c2_latency = chip->c2_latency; if (!c2_latency) { c2_latency = 101; /* c2 unsupported */ -- cgit v1.2.3