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mb/google/brya/var/{brya*,redrix*}: Add DmaProperty for WWAN 

ChromeOS considers the WWAN devices to be untrusted, therefore enable
the new DmaProperty in the WWAN's _DSD to indicate to the OS that these
devices should have IOMMU restrictions applied to them.

BUG=b:215424986
BRANCH=brya
TEST=dump SSDT

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: I9c9e73b7ea0575ab87cc980fb4786338047155de
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62437
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
This commit is contained in:
Tim Wawrzynczak 2022-02-28 08:59:10 -07:00 committed by Felix Held
parent 0292703b96
commit 8dc28c48e1
4 changed files with 4 additions and 0 deletions
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1
src/mainboard/google/brya/variants/brya0/overridetree.cb
View File

@ -197,6 +197,7 @@ chip soc/intel/alderlake
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E16)"
register "perst_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E0)"
register "wake_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A7)"
register "add_acpi_dma_property" = "true"
use rp6_rtd3 as rtd3dev
device generic 0 alias rp6_wwan on
probe DB_LTE LTE_PCIE

1
src/mainboard/google/brya/variants/brya4es/overridetree.cb
View File

@ -194,6 +194,7 @@ chip soc/intel/alderlake
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E16)"
register "perst_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E0)"
register "wake_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A7)"
register "add_acpi_dma_property" = "true"
use rp6_rtd3 as rtd3dev
device generic 0 alias rp6_wwan on
probe DB_LTE LTE_PCIE

1
src/mainboard/google/brya/variants/redrix/overridetree.cb
View File

@ -177,6 +177,7 @@ chip soc/intel/alderlake
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E16)"
register "perst_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E0)"
register "wake_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A7)"
register "add_acpi_dma_property" = "true"
use rp6_rtd3 as rtd3dev
device generic 0 alias rp6_wwan on
probe DB_LTE LTE_PCIE

1
src/mainboard/google/brya/variants/redrix4es/overridetree.cb
View File

@ -163,6 +163,7 @@ chip soc/intel/alderlake
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E16)"
register "perst_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E0)"
register "wake_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A7)"
register "add_acpi_dma_property" = "true"
use rp6_rtd3 as rtd3dev
device generic 0 alias rp6_wwan on
probe DB_LTE LTE_PCIE