From 00d250e2289de2e39ab6f69a61176405cdfa9ddb Mon Sep 17 00:00:00 2001 From: Werner Zeh Date: Wed, 26 Apr 2017 07:03:10 +0200 Subject: intel/skylake: Switch FADT to ACPI version 3.0 On Apollo Lake it was discovered that our current FADT implementation is valid for ACPI version 3.0 but misses fields for ACPI version 5.0. We run into booting issues with Windows 10 using version 5 in the FADT header. In commit 2b8552f49bc3a7d0290f96a84b573669de396011 (intel/apollolake: Switch FADT to ACPI version 3.0) we go back to version 3 for Apollo Lake. Skylake is now the last platform that uses version 5 in FADT header. Change-Id: I2d0367fae5321dee4ccac417b7f99466f8973577 Signed-off-by: Werner Zeh Reviewed-on: https://review.coreboot.org/19453 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/soc/intel/skylake/acpi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c index a75f5260a5..e8d0c1683a 100644 --- a/src/soc/intel/skylake/acpi.c +++ b/src/soc/intel/skylake/acpi.c @@ -226,8 +226,8 @@ void acpi_fill_fadt(acpi_fadt_t *fadt) const struct device *dev = dev_find_slot(0, PCH_DEVFN_LPC); config_t *config = dev->chip_info; - /* Use ACPI 5.0 revision */ - fadt->header.revision = ACPI_FADT_REV_ACPI_5_0; + /* Use ACPI 3.0 revision */ + fadt->header.revision = ACPI_FADT_REV_ACPI_3_0; fadt->sci_int = acpi_sci_irq(); fadt->smi_cmd = APM_CNT; -- cgit v1.2.3