diff options
| author | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2022-02-28 08:59:10 -0700 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-03-07 17:49:31 +0000 |
| commit | 8dc28c48e17853d8d01f02b9958ed12666d826a5 (patch) | |
| tree | bf0e7b1792f77eb61ed0539d2ad292c413ea1abb | |
| parent | 0292703b967f690f1770521804d0a5992941a37e (diff) | |
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>
4 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/brya0/overridetree.cb b/src/mainboard/google/brya/variants/brya0/overridetree.cb index d18e9df19e..60d04696f7 100644 --- a/src/mainboard/google/brya/variants/brya0/overridetree.cb +++ b/src/mainboard/google/brya/variants/brya0/overridetree.cb @@ -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 diff --git a/src/mainboard/google/brya/variants/brya4es/overridetree.cb b/src/mainboard/google/brya/variants/brya4es/overridetree.cb index ac968ba686..e6a2d7e54c 100644 --- a/src/mainboard/google/brya/variants/brya4es/overridetree.cb +++ b/src/mainboard/google/brya/variants/brya4es/overridetree.cb @@ -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 diff --git a/src/mainboard/google/brya/variants/redrix/overridetree.cb b/src/mainboard/google/brya/variants/redrix/overridetree.cb index 435f47a58f..e773695f06 100644 --- a/src/mainboard/google/brya/variants/redrix/overridetree.cb +++ b/src/mainboard/google/brya/variants/redrix/overridetree.cb @@ -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 diff --git a/src/mainboard/google/brya/variants/redrix4es/overridetree.cb b/src/mainboard/google/brya/variants/redrix4es/overridetree.cb index 2a08af4e3b..dd38f935a9 100644 --- a/src/mainboard/google/brya/variants/redrix4es/overridetree.cb +++ b/src/mainboard/google/brya/variants/redrix4es/overridetree.cb @@ -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 |