diff options
| author | Kapil Porwal <kapilporwal@google.com> | 2022-11-14 18:39:21 +0530 |
|---|---|---|
| committer | Eric Lai <eric_lai@quanta.corp-partner.google.com> | 2022-11-17 00:41:44 +0000 |
| commit | c89de227eb87aeed55271cf99c3d24eef5906f1f (patch) | |
| tree | a07506d465afa04db61204c95f189fcf7321d43d | |
| parent | 0ddeaedbe8892ead75f086d4b90abe2c7cd638ab (diff) | |
soc/intel/meteorlake: Hide PMC and IOM devices
Hide these ACPI device so Windows does not warn about missing device
drivers.
Port of commit 907c85ad48dd ("soc/intel/alderlake: Hide PMC and IOM
devices").
BUG=none
TEST=Verified _STA method from ACPI tables in OS. USB-C drive is
detected in OS.
Signed-off-by: Kapil Porwal <kapilporwal@google.com>
Change-Id: Ic62172bee9120d260a3cd60770ef780cb7dce860
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69576
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/soc/intel/meteorlake/acpi/tcss.asl | 2 | ||||
| -rw-r--r-- | src/soc/intel/meteorlake/pmc.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/src/soc/intel/meteorlake/acpi/tcss.asl b/src/soc/intel/meteorlake/acpi/tcss.asl index c2212f0f40..817afdded4 100644 --- a/src/soc/intel/meteorlake/acpi/tcss.asl +++ b/src/soc/intel/meteorlake/acpi/tcss.asl @@ -327,6 +327,8 @@ Scope (\_SB.PCI0) IOM_BASE_ADDR, IOM_BASE_ADDR_MAX, 0x0, IOM_BASE_SIZE,,,) }) + /* Hide the device so that Windows does not complain on missing driver */ + Name (_STA, 0xB) } /* diff --git a/src/soc/intel/meteorlake/pmc.c b/src/soc/intel/meteorlake/pmc.c index dbfc4be0bd..bdd7a3b88a 100644 --- a/src/soc/intel/meteorlake/pmc.c +++ b/src/soc/intel/meteorlake/pmc.c @@ -103,6 +103,8 @@ static void soc_pmc_fill_ssdt(const struct device *dev) acpigen_write_name_string("_HID", PMC_HID); acpigen_write_name_string("_DDN", "Intel(R) Meteor 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). |