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authorFurquan Shaikh <furquan@google.com>2020-05-07 14:29:13 -0700
committerAaron Durbin <adurbin@chromium.org>2020-05-14 15:08:11 +0000
commit2412924bc7646fc22b2cb1b9108413fa3e849082 (patch)
tree0ce0b509a1470ace469133bdb061e27857709f7e /src
parentcc35f723fdcc6999ace18eae18467b900a12c07f (diff)
mb/google/volteer: Enable PCIEXP_HOTPLUG for TCSS TBT/USB4 ports
This change enables PCIEXP_HOTPLUG to support resource allocation for TCSS TBT/USB4 ports. BUG=b:149186922 Signed-off-by: Furquan Shaikh <furquan@google.com> Change-Id: I4cb820e83da40434b00198b934453805e35ef1ab Reviewed-on: https://review.coreboot.org/c/coreboot/+/41156 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/volteer/Kconfig15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mainboard/google/volteer/Kconfig b/src/mainboard/google/volteer/Kconfig
index de77633153..68759636a0 100644
--- a/src/mainboard/google/volteer/Kconfig
+++ b/src/mainboard/google/volteer/Kconfig
@@ -15,6 +15,7 @@ config BOARD_GOOGLE_BASEBOARD_VOLTEER
select MAINBOARD_HAS_CHROMEOS
select MAINBOARD_HAS_SPI_TPM_CR50
select MAINBOARD_HAS_TPM2
+ select PCIEXP_HOTPLUG
select SOC_INTEL_TIGERLAKE
if BOARD_GOOGLE_BASEBOARD_VOLTEER
@@ -66,6 +67,20 @@ config MAX_CPUS
int
default 8
+# Reserving resources for PCIe Hotplug as per TGL BIOS Spec (doc #611569)
+# Revision 0.7.6 Section 7.2.5.1.5
+config PCIEXP_HOTPLUG_BUSES
+ int
+ default 42
+
+config PCIEXP_HOTPLUG_MEM
+ hex
+ default 0xc200000 # 194 MiB
+
+config PCIEXP_HOTPLUG_PREFETCH_MEM
+ hex
+ default 0x1c000000 # 448 MiB
+
config TPM_TIS_ACPI_INTERRUPT
int
default 21 # GPE0_DW0_21 (GPP_C21)