summaryrefslogtreecommitdiff
path: root/src/mainboard/intel
diff options
context:
space:
mode:
authorCliff Huang <cliff.huang@intel.com>2023-03-02 10:22:04 -0800
committerFelix Held <felix-coreboot@felixheld.de>2023-04-21 18:48:59 +0000
commit60703a81e2a1a34dc8928e68d6ba5a398254d95e (patch)
tree0d989e1e8db7b5aad4b1a2afd57737d355344e82 /src/mainboard/intel
parentdaeb781884561f2f19cf67de8d5e24e9877ab1af (diff)
mb/intel/adlrvp: Enable RTD3 root port mutex for WWAN
This adds RTD3 RPMX mutex to the root port. It is shared between RTD3 and WWAN. The purpose of using this mutex is to prevent OSPM from calling _ON and _OFF methods while WWAN kernel driver is calling _RST, which accesses the GPIO pins. BUG=NA BRANCH=firmware-brya-14505.B TEST=boot to OS and check the generated SSDT table for the root port. The RPMX mutex should be generated under the root port. Signed-off-by: Cliff Huang <cliff.huang@intel.com> Change-Id: I809eb84cb1a09deb168040e83041b65237a1b576 Reviewed-on: https://review.coreboot.org/c/coreboot/+/73383 Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Bora Guvendik <bora.guvendik@intel.com>
Diffstat (limited to 'src/mainboard/intel')
-rw-r--r--src/mainboard/intel/adlrvp/variants/adlrvp_p_ext_ec/overridetree.cb1
-rw-r--r--src/mainboard/intel/adlrvp/variants/adlrvp_rpl_ext_ec/overridetree.cb1
2 files changed, 2 insertions, 0 deletions
diff --git a/src/mainboard/intel/adlrvp/variants/adlrvp_p_ext_ec/overridetree.cb b/src/mainboard/intel/adlrvp/variants/adlrvp_p_ext_ec/overridetree.cb
index 544f9e251b..fc4c11c496 100644
--- a/src/mainboard/intel/adlrvp/variants/adlrvp_p_ext_ec/overridetree.cb
+++ b/src/mainboard/intel/adlrvp/variants/adlrvp_p_ext_ec/overridetree.cb
@@ -70,6 +70,7 @@ chip soc/intel/alderlake
register "srcclk_pin" = "5"
register "ext_pm_support" = "ACPI_PCIE_RP_EMIT_ALL"
register "skip_on_off_support" = "true"
+ register "use_rp_mutex" = "true"
device generic 0 alias rp6_rtd3 on
end
end
diff --git a/src/mainboard/intel/adlrvp/variants/adlrvp_rpl_ext_ec/overridetree.cb b/src/mainboard/intel/adlrvp/variants/adlrvp_rpl_ext_ec/overridetree.cb
index 544f9e251b..fc4c11c496 100644
--- a/src/mainboard/intel/adlrvp/variants/adlrvp_rpl_ext_ec/overridetree.cb
+++ b/src/mainboard/intel/adlrvp/variants/adlrvp_rpl_ext_ec/overridetree.cb
@@ -70,6 +70,7 @@ chip soc/intel/alderlake
register "srcclk_pin" = "5"
register "ext_pm_support" = "ACPI_PCIE_RP_EMIT_ALL"
register "skip_on_off_support" = "true"
+ register "use_rp_mutex" = "true"
device generic 0 alias rp6_rtd3 on
end
end