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authorTim Wawrzynczak <twawrzynczak@chromium.org>2022-02-28 08:59:10 -0700
committerFelix Held <felix-coreboot@felixheld.de>2022-03-07 17:49:31 +0000
commit8dc28c48e17853d8d01f02b9958ed12666d826a5 (patch)
treebf0e7b1792f77eb61ed0539d2ad292c413ea1abb /src/mainboard/google/brya/variants
parent0292703b967f690f1770521804d0a5992941a37e (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>
Diffstat (limited to 'src/mainboard/google/brya/variants')
-rw-r--r--src/mainboard/google/brya/variants/brya0/overridetree.cb1
-rw-r--r--src/mainboard/google/brya/variants/brya4es/overridetree.cb1
-rw-r--r--src/mainboard/google/brya/variants/redrix/overridetree.cb1
-rw-r--r--src/mainboard/google/brya/variants/redrix4es/overridetree.cb1
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