diff options
| author | Jeremy Soller <jeremy@system76.com> | 2022-07-21 13:36:13 -0600 |
|---|---|---|
| committer | Martin Roth <martin.roth@amd.corp-partner.google.com> | 2022-07-23 20:22:22 +0000 |
| commit | 907c85ad48dda5022a9b923a43949c3eb88de2e0 (patch) | |
| tree | 8bdb4d035dd8d148850a1aa5135c2b39d7eb7d06 /src/soc/intel | |
| parent | 990d792ac71a4649d9a35bb01bdde98bb826e45b (diff) | |
soc/intel/alderlake: Hide PMC and IOM devices
Hide these ACPI device so Windows does not warn about missing device
drivers.
Change-Id: Iba6cf7a17eefc9f4f247621f6625151f2fd5f3a7
Signed-off-by: Jeremy Soller <jeremy@system76.com>
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66054
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/alderlake/acpi/tcss.asl | 2 | ||||
| -rw-r--r-- | src/soc/intel/alderlake/pmc.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/acpi/tcss.asl b/src/soc/intel/alderlake/acpi/tcss.asl index 66aa908709..87aeb73b8d 100644 --- a/src/soc/intel/alderlake/acpi/tcss.asl +++ b/src/soc/intel/alderlake/acpi/tcss.asl @@ -329,6 +329,8 @@ Scope (\_SB.PCI0) Name (_CRS, ResourceTemplate () { Memory32Fixed (ReadWrite, IOM_BASE_ADDRESS, IOM_BASE_SIZE) }) + /* Hide the device so that Windows does not complain on missing driver */ + Name (_STA, 0xB) } /* diff --git a/src/soc/intel/alderlake/pmc.c b/src/soc/intel/alderlake/pmc.c index 7358fb669d..87cc54a4f8 100644 --- a/src/soc/intel/alderlake/pmc.c +++ b/src/soc/intel/alderlake/pmc.c @@ -107,6 +107,8 @@ static void soc_pmc_fill_ssdt(const struct device *dev) acpigen_write_name_string("_HID", PMC_HID); acpigen_write_name_string("_DDN", "Intel(R) Alder Lake IPC Controller"); + /* Hide the device so that Windows does not complain on missing driver */ + acpigen_write_STA(ACPI_STATUS_DEVICE_HIDDEN_ON); /* * Part of the PCH's reserved 32 MB MMIO range (0xFC800000 - 0xFE7FFFFF). |