diff options
| author | Furquan Shaikh <furquan@chromium.org> | 2018-02-20 21:33:00 -0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-02-22 09:54:00 +0000 |
| commit | 95b4d0c25d337546a26821f9c1c0d6b25d1a69ff (patch) | |
| tree | 01fa0f8456bb90d01221a4072946e78a79f099a5 /src | |
| parent | 97ab880082505b4aa0d4b2a058e850bd3376d9b8 (diff) | |
soc/intel/skylake: Do not set ACPI_FADT_LEGACY_DEVICES
SKL/KBL PCH does not support legacy devices. This change removes the
setting of ACPI_FADT_LEGACY_DEVICES flag in FADT for SKL/KBL.
It helps Linux kernel to disable controllers required to support legacy
devices only e.g. i8237 DMA controller.
BUG=b:72679357
Change-Id: Ie2a85a719997157f52b0eab7254689f5a56ba05b
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/23833
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.corp-partner.google.com>
Reviewed-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/skylake/acpi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c index a0be5f5d1b..6e1a88657d 100644 --- a/src/soc/intel/skylake/acpi.c +++ b/src/soc/intel/skylake/acpi.c @@ -267,7 +267,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt) fadt->day_alrm = 0xd; fadt->mon_alrm = 0x00; fadt->century = 0x00; - fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES; + fadt->iapc_boot_arch = 0; if (!IS_ENABLED(CONFIG_NO_FADT_8042)) fadt->iapc_boot_arch |= ACPI_FADT_8042; |